CN202500991U - Aluminum piston used for anti-impact high-pressure piston accumulator - Google Patents
Aluminum piston used for anti-impact high-pressure piston accumulator Download PDFInfo
- Publication number
- CN202500991U CN202500991U CN2012201419254U CN201220141925U CN202500991U CN 202500991 U CN202500991 U CN 202500991U CN 2012201419254 U CN2012201419254 U CN 2012201419254U CN 201220141925 U CN201220141925 U CN 201220141925U CN 202500991 U CN202500991 U CN 202500991U
- Authority
- CN
- China
- Prior art keywords
- piston
- boss
- accumulator
- aluminum
- pressure
- 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 - Lifetime
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 13
- 230000035939 shock Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model discloses an aluminum piston used for an anti-impact high-pressure piston accumulator. The aluminum piston comprises a piston body, a boss is arranged at the center of one end of the piston body, and a guide groove is arranged at the edge of the boss. The guide groove is arranged on the boss at the end of the piston body, the boss end at the end of the piston body is communicated with a hydraulic oil chamber so that the guide groove can buffer during operation, and accordingly impact of the piston body during operation is reduced, operation pressure of the accumulator can be increased, and service life of the accumulator can be prolonged.
Description
Technical field
The utility model relates to a kind of protecting against shock high pressure piston formula accumulator and uses the aluminum piston.
Background technique
Piston accumulator is to be made up of the piston that is slidingly installed with in cylinder body and the cylinder body; The two ends of cylinder body are respectively equipped with inflation inlet and hydraulic fluid port, and inflation inlet is inflated valve closure, are sealed by bottom at the hydraulic fluid port that is not connected to the hydraulic system front-bank rotor housing; Piston is isolated into two-part with cylinder body; A part is full of the pressurized gas of certain pressure, and such as nitrogen, another part can be communicated with hydraulic circuit through hydraulic fluid port and is full of hydraulic oil.Hydraulic oil pushing tow piston motion pressurized gas when oil pressure in the cylinder body rises; Gas pressure raises; After gas pressure and system oil pressure balance; Piston stops to move, so gas pressure can change with the variation of the pressure of the extraneous hydraulic circuit that hydraulic oil was communicated with in the accumulator, thus reach store and discharge hydraulic pressure can effect.The predominant use of piston accumulator has: 1, stored energy, release and release energy fast; 2, eliminate pulsation, the stable system pressure of hydraulic system (such as plunger pump); 3, the shock and vibration in the absorption liquid hydraulic circuit.
The aluminum piston of existing high pressure piston formula accumulator can receive the impact of hydraulic oil when in cylinder body, moving, cause the piston distortion, influences the lifting of accumulator working pressure and the life-span of accumulator, and leak-down rate is high.
The model utility content
The purpose of the utility model provides a kind of protecting against shock high pressure piston formula accumulator that can promote accumulator working pressure and working life and uses the aluminum piston.
For achieving the above object, the technological scheme that the utility model adopts is:
A kind of protecting against shock high pressure piston formula accumulator is used the aluminum piston, comprises that end central authorities are provided with the piston body of boss, and the boss edge is provided with guiding gutter.
Said guiding gutter arises from raised head face and terminates in boss root and centroclinal to piston body.
Said guiding gutter is arc surface.
Said guiding gutter has four, evenly distributes along the boss circumferencial direction.
In the utility model, on the boss of piston body end, guiding gutter is set, because the boss end of piston body end is communicated with hydraulic fluid chamber; Guiding gutter can play buffer function during work; The impact force that receives when making piston body work reduces, and then can promote the working pressure and the working life of accumulator, makes its working pressure can reach 40MPa; Reach leak-down rate≤3 * 10 working life 10000 times
-4Ml/s.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the right elevation of Fig. 1.
Embodiment
Like Fig. 1, shown in Figure 2, a kind of protecting against shock high pressure piston formula accumulator is used the aluminum piston, comprises that end central authorities are provided with the piston body 2 of boss 1, and boss 1 edge evenly is provided with four guiding gutters 3 along the boss circumferencial direction.Guiding gutter 3 arises from raised head face and terminates in boss root and centroclinal to piston body.Guiding gutter 3 is arc surface.
During the utility model work, guiding gutter 3 can play buffer function, reduces the impact force of hydraulic oil to piston body 2; Can promote the working pressure and the working life of accumulator; Make its working pressure can reach 40MPa, reach leak-down rate≤3 * 10 working life 10000 times
-4Ml/s.
Claims (4)
1. a protecting against shock high pressure piston formula accumulator is used the aluminum piston, comprises that end central authorities are provided with the piston body of boss, is characterized in that the boss edge is provided with guiding gutter.
2. protecting against shock high pressure piston formula accumulator as claimed in claim 1 is used the aluminum piston, it is characterized in that said guiding gutter arises from raised head face and terminates in boss root and centroclinal to piston body.
3. according to claim 1 or claim 2 protecting against shock high pressure piston formula accumulator is used the aluminum piston, it is characterized in that said guiding gutter is arc surface.
4. protecting against shock high pressure piston formula accumulator as claimed in claim 3 is used the aluminum piston, it is characterized in that said guiding gutter has four, evenly distributes along the boss circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201419254U CN202500991U (en) | 2012-04-06 | 2012-04-06 | Aluminum piston used for anti-impact high-pressure piston accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201419254U CN202500991U (en) | 2012-04-06 | 2012-04-06 | Aluminum piston used for anti-impact high-pressure piston accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202500991U true CN202500991U (en) | 2012-10-24 |
Family
ID=47037605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201419254U Expired - Lifetime CN202500991U (en) | 2012-04-06 | 2012-04-06 | Aluminum piston used for anti-impact high-pressure piston accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202500991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485932A (en) * | 2013-09-16 | 2014-01-01 | 宁波荣捷特机械制造有限公司 | Stirling cycle device |
-
2012
- 2012-04-06 CN CN2012201419254U patent/CN202500991U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485932A (en) * | 2013-09-16 | 2014-01-01 | 宁波荣捷特机械制造有限公司 | Stirling cycle device |
| CN103485932B (en) * | 2013-09-16 | 2015-08-12 | 宁波荣捷特机械制造有限公司 | A kind of Stirling cycle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HENAN HUILONG PRECISION EQUIPMENT MANUFACTUING CO. Free format text: FORMER NAME: HENAN HUILONG PRECISION EQUIPMENT MANUFACTUING LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 11 Cedar Road No. 450001, Zhengzhou hi tech Development Zone, Henan, China Patentee after: Converge grand precision equipment manufacture limited company in Henan Province Address before: 11 Cedar Road No. 450001, Zhengzhou hi tech Development Zone, Henan, China Patentee before: Henan Huilong Precision Equipment Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
|
| CX01 | Expiry of patent term |