CN1295198A - Fluid pressure cylinder with central pipe fitting - Google Patents
Fluid pressure cylinder with central pipe fitting Download PDFInfo
- Publication number
- CN1295198A CN1295198A CN 00133724 CN00133724A CN1295198A CN 1295198 A CN1295198 A CN 1295198A CN 00133724 CN00133724 CN 00133724 CN 00133724 A CN00133724 A CN 00133724A CN 1295198 A CN1295198 A CN 1295198A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- piston
- housing
- piston rod
- pressure chamber
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 26
- 239000011148 porous material Substances 0.000 claims description 10
- 239000000872 buffer Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
A head side port 37A for directly supplying compressed air to a head side cylinder chamber 32A, and a rod side port 37B for supplying compressed air to a rod side cylinder chamber 32B are installed in a head cover 28 of a cylinder 22. The rod side port 37B communicates with the rod side cylinder chamber 32B with a flow passage 38a of a fluid supply and exhaust pipe 38, which is fixed to the opening part of the port, passed through the head side cylinder chamber 32A, and is passed airtightly through the central part of a piston 23, and with a hollow part 24a and a communicating part 24b installed in a rod 24.
Description
The present invention relates to concentrate from lid side direction two pressure chambers of cylinder barrel the concentrated pipe arrangement type fluid pressure cylinder of supply pressure fluid.
In the fluid pressure cylinder that on being installed on various drive machines, uses, generally need to make the pipe arrangements such as pipe that be used to supply with pressurized air equal pressure fluid can not form obstacle to flow chart, simultaneously, for the connection operation that makes these pipe arrangements simple, preferably will be used for being separately positioned on the lid side of cylinder, connect the pipe arrangement in these holes from a side concentrated area to 2 holes of lid side and bar side two pressure chamber's supply pressure fluids.
Fig. 3 illustrates an example of concentrating the disclosed fluid pressure cylinder that 2 holes are set like this in the lid side of cylinder.This fluid pressure cylinder 1 has cylinder barrel 2, the piston 3 that slides airtightly, reaches the bar 4 of piston 3 in this cylinder barrel 2, connect housing 7 and bar cover 8 airtightly at the two ends of cylinder barrel 2.
Above-mentioned cylinder barrel 2 is divided into airtightly by above-mentioned piston 3 and covers side pressure chamber 12A and bar side pressure chamber 12B, in the outside of cylinder barrel 2 pipe 10 that inside has stream 10a is installed vertically.
Directly at lid side pressure chamber 12A opening, the bar side opening 13B that similarly is formed at housing 7 is communicated to bar side pressure chamber 12B by the stream 10a of the stream 7a, the 8a that are formed at this housing 7 and bar cover 8 and aforementioned tube 10 to the lid side opening 13A that is arranged at above-mentioned housing 7 by the streams in this housing 7.
Known fluid pressure cylinder like this is provided with at housing 7 by the concentrated area and covers side opening 13A and bar side opening 13B, can connect the pipe arrangement (diagram is omitted) that is used for pressure fluid is supplied to the 12A of pressure chamber, 12B in housing 7 side concentrated areas, so it is easy that the pipe arrangement of hole 13A, 13B connects operation.
Yet owing to along the outside of cylinder barrel 2 aforementioned tube 10 is set, so that this pipe reaches is outside more, cylinder maximizes, and this pipe forms obstacles to various operations.
The object of the present invention is to provide a kind of fluid pressure cylinder of concentrated pipe arrangement type, the fluid pressure cylinder of this concentrated pipe arrangement type not stream forms the state that is set to reach the cylinder outside with pipe, but the concentrated area is connected to the cylinder cap side with pipe arrangement, has small-sized and rational design structure.
In order to achieve the above object, fluid cylinder of the present invention is characterised in that: the cylinder barrel with hollow, be installed on the housing and the bar cover at above-mentioned cylinder barrel two ends respectively, can be contained in the piston in the above-mentioned cylinder barrel with being free to slide, be formed at the lid side pressure chamber and the bar side pressure chamber that is formed at the other end side of above-mentioned piston one end face side, base end part is connected in above-mentioned piston and front end is airtight and can connect the hollow piston rod that above-mentioned bar cover extends out to above-mentioned cylinder barrel outside with being free to slide, base end part is fixed in above-mentioned housing and front end is airtight and can connect the hollow tube of above-mentioned piston towards the hollow portion inner opening of above-mentioned piston rod with being free to slide, be formed at above-mentioned housing and be communicated to the lid side opening of above-mentioned lid side pressure chamber by the stream in this housing, be formed at above-mentioned housing and be communicated to the bar side opening of aforementioned tube by the stream in this housing, and the intercommunicating pore that is communicated with bar side pressure chamber of the hollow portion that makes above-mentioned piston rod.
In the present invention, the intercommunicating pore of above-mentioned piston rod is preferably formed as the approaching above-mentioned position of piston in this piston rod cardinal extremity.
Have the housing side of fluid pressure cylinder of the present invention of above-mentioned formation and 2 holes of bar cover side and all be arranged at housing, bar side opening and bar side pressure chamber are communicated with towards the above-mentioned piston rod of the inner pipe that extends of piston rod, hollow and the intercommunicating pore of being located at this piston rod by connect piston from above-mentioned housing, so, aforementioned tube does not reach the cylinder outside, as a result, the fluid pressure cylinder of concentrating the pipe arrangement type can be formed small-sized and simple form.
Fig. 1 cuts the profile of wanting portion that fluid pressure cylinder one embodiment of the present invention is shown open.
Fig. 2 is its front elevation.
Fig. 3 is the sectional view of disclosed fluid pressure cylinder.
Fig. 1 and Fig. 2 illustrate an embodiment of fluid pressure cylinder of the present invention.This fluid pressure cylinder 21 has the cylinder barrel 22 of hollow, slides on piston 23 in this cylinder barrel 22, and the hollow piston rod 24 that is connected with this piston 23 airtightly.
By the fixing housing 28 of back-up ring 27, by many bolts 30 fixing rod covers 29, the inside of this cylinder barrel 22 is divided into by above-mentioned piston 23 and covers side pressure chamber 32A and bar side pressure chamber 32B at the other end at an end of above-mentioned cylinder barrel 22.
The base end part of above-mentioned piston rod 24 airtightly screwed joint in the central part of above-mentioned piston 23, its front end is airtight and can connect the outside that above-mentioned bar cover 29 extends out to cylinder with being free to slide, is used to seal the closure member 33 of hollow portion 24a in the spiral installation airtightly of this front end.Position at the approaching above-mentioned piston 23 of the base end part of this piston rod 24 forms the one or more intercommunicating pore 24b that are communicated with hollow portion 24a and above-mentioned bar side pressure chamber 32B.
Form workpiece assembly departments 34 at above-mentioned closure member 33, by its a part of complanation is formed spanner joining portion 35, this workpiece assembly department 34 has the female thread that is used to install workpiece (omitting diagram) etc. at front-end face at outer circumferential face.
Be provided for respectively supplying with compressed-air actuated lid side opening 37A and bar side opening 37B in the exterior edge face of above-mentioned housing 28, connect respectively at these holes 37A, 37B and omitted illustrated pipe arrangement to above-mentioned lid side pressure chamber 32A and bar side pressure chamber 32B.
Above-mentioned lid side opening 37A directly is communicated to by the stream 37a that is located at housing 28 and covers side pressure chamber 32A.
The above-mentioned piston rod 24 of the stream 37b of one side's bar side opening 37B by being located at housing 28, hollow tube 38, hollow, the above-mentioned intercommunicating pore 24b that is located at this piston rod 24 are communicated to bar side pressure chamber 32B.The base end part of aforementioned tube 38 is fixed to the central part of above-mentioned housing 28 interior edge faces, and front end passes the central part of above-mentioned lid side pressure chamber 32A, and central part airtight and that can connect piston 23 is embedded in the hollow portion 24a of above-mentioned piston rod 24 with being free to slide.Even this pipe 38 has when piston 23 moves to the forward path end position also not the axial length that can deviate from from piston 23, the guide member when double as is these piston 23 advance and retreat.
Symbol 41 among Fig. 1 and 42 is for being installed on bar cover 29 with shaft seal and bearing between the outer circumferential face of the inner peripheral surface that seals this cover airtightly and piston rod 24, the buffer of the impact when symbol 43 is used to absorb piston 23 collisions for being installed on housing 28 and bar cover 29 respectively.
Fig. 1 illustrate above-mentioned fluid pressure cylinder advance the way in state.At this moment, supply with pressurized air from lid side opening 37A to lid side pressure chamber 32A, the pressurized air of bar side pressure chamber 32B is discharged to outside by the stream 38a in hollow portion 24a, the pipe 38 by bar side opening 37B from the intercommunicating pore 24b of piston rod 24.Therefore, piston 23 and piston rod 24 move along the direction of bar cover 29.When stopping when contacting with the buffer 43 of bar cover 29 from this state lower piston 23, forward path finishes with cushioning.
After the forward path of above-mentioned piston 23 finishes, as switch to and omitted illustrated selector valve, to cover side opening 37A towards atmosphere opening, simultaneously, supply with pressurized air to bar side opening 37B, then this pressurized air flow into bar side pressure chamber 32B from the hollow portion 24a and the intercommunicating pore 24b of stream 38a by piston rod 24 that manages in 38, so, piston 23 and piston rod 24 retreat along the dextrad of figure, and piston 23 contact buffers 43 stop to buffering the stroke end.
Like this, above-mentioned fluid pressure cylinder 21 covers side pressure chamber 32A and bar side pressure chamber 32B from concentrating the lid side opening 37A be arranged at housing 28 exterior edge faces and bar side opening 37B that pressurized air is supplied to, so the connection operation of the pipe arrangement in these holes is easy.
In addition, owing to towards the above-mentioned piston rod 24 of the piston rod 24 inner pipes 38 that extend, hollow and the intercommunicating pore 24b that is located at this piston rod 24 above-mentioned bar side opening 37B and bar side pressure chamber 32B are communicated with by connect pistons 23 from above-mentioned housing 28, so, aforementioned tube 38 can not occur and reach cylinder, can will concentrate pipe arrangement type fluid pressure cylinder to form small-sized and simple form outward in the face of operation formation obstacle with because of the damaged situation of external force.
Claims (2)
1. a concentrated pipe arrangement type fluid pressure cylinder is characterized in that: the cylinder barrel with hollow, be installed on the housing and the bar cover at above-mentioned cylinder barrel two ends respectively, can be contained in the piston in the above-mentioned cylinder barrel with being free to slide, be formed at the lid side pressure chamber and the bar side pressure chamber that is formed at the other end side of above-mentioned piston one end face side, base end part is connected in above-mentioned piston and front end is airtight and can connect above-mentioned bar cover and extend to the hollow piston rod of above-mentioned cylinder barrel outside with being free to slide, base end part is fixed in above-mentioned housing and front end is airtight and can connect above-mentioned piston and towards the hollow tube of the hollow portion inner opening of above-mentioned piston rod with being free to slide, be formed on the above-mentioned housing and be communicated to the lid side opening of above-mentioned lid side pressure chamber by the stream in this housing, be formed on the above-mentioned housing and be communicated to the bar side opening of aforementioned tube by the stream in this housing, and the intercommunicating pore that is communicated with bar side pressure chamber of the hollow portion that makes above-mentioned piston rod.
2. fluid pressure cylinder as claimed in claim 1 is characterized in that: the intercommunicating pore of above-mentioned piston rod is formed at the approaching above-mentioned position of piston of this piston rod cardinal extremity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31269299A JP2001132707A (en) | 1999-11-02 | 1999-11-02 | Centralized piping type fluid pressure cylinder |
| JP312692/1999 | 1999-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1295198A true CN1295198A (en) | 2001-05-16 |
Family
ID=18032290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00133724 Pending CN1295198A (en) | 1999-11-02 | 2000-11-02 | Fluid pressure cylinder with central pipe fitting |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2001132707A (en) |
| KR (1) | KR20010060236A (en) |
| CN (1) | CN1295198A (en) |
| DE (1) | DE10053847A1 (en) |
| TW (1) | TW452634B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106800A (en) * | 2014-06-19 | 2014-10-22 | 芜湖市好亦快食品有限公司三山分公司 | Healthcare honey tea powder and processing method thereof |
| CN115052548A (en) * | 2020-04-17 | 2022-09-13 | 瑞德医疗机器股份有限公司 | Air pressure driving mechanism of medical robot |
| US12023115B2 (en) | 2022-08-26 | 2024-07-02 | Riverfield Inc. | Medical-robot pneumatic drive mechanism |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10108257B4 (en) * | 2001-02-21 | 2009-04-30 | Kreato-Fertigungstechnik Gmbh | hydraulic cylinders |
| KR101587722B1 (en) * | 2014-06-30 | 2016-01-22 | 이연남 | A hydraulic cylinder with buffer device |
| DE102015000494A1 (en) * | 2015-01-13 | 2016-07-14 | Hydrosaar Gmbh | hydraulic cylinders |
-
1999
- 1999-11-02 JP JP31269299A patent/JP2001132707A/en active Pending
-
2000
- 2000-10-13 TW TW89121405A patent/TW452634B/en not_active IP Right Cessation
- 2000-10-30 DE DE2000153847 patent/DE10053847A1/en not_active Withdrawn
- 2000-11-01 KR KR1020000064533A patent/KR20010060236A/en not_active Application Discontinuation
- 2000-11-02 CN CN 00133724 patent/CN1295198A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106800A (en) * | 2014-06-19 | 2014-10-22 | 芜湖市好亦快食品有限公司三山分公司 | Healthcare honey tea powder and processing method thereof |
| CN104106800B (en) * | 2014-06-19 | 2016-01-27 | 芜湖市好亦快食品有限公司三山分公司 | A kind of health-care honey tea powder and processing method thereof |
| CN115052548A (en) * | 2020-04-17 | 2022-09-13 | 瑞德医疗机器股份有限公司 | Air pressure driving mechanism of medical robot |
| US12023115B2 (en) | 2022-08-26 | 2024-07-02 | Riverfield Inc. | Medical-robot pneumatic drive mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001132707A (en) | 2001-05-18 |
| TW452634B (en) | 2001-09-01 |
| KR20010060236A (en) | 2001-07-06 |
| DE10053847A1 (en) | 2001-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |