CN210715331U - Cylinder device for supplying high-pressure oil to oil cylinder - Google Patents
Cylinder device for supplying high-pressure oil to oil cylinder Download PDFInfo
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- CN210715331U CN210715331U CN201921437080.1U CN201921437080U CN210715331U CN 210715331 U CN210715331 U CN 210715331U CN 201921437080 U CN201921437080 U CN 201921437080U CN 210715331 U CN210715331 U CN 210715331U
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- cylinder
- oil
- piston rod
- piston
- pressurizing
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Abstract
The utility model belongs to the technical field of gas oil pressure device, a cylinder device for oil cylinder supply high pressure oil is related to, including the cylinder that has piston rod and piston, be located the pressure boost section of thick bamboo of piston rod exit end and be located the oil drum of cylinder top, the inside intercommunication of oil drum the inside of pressure boost section of thick bamboo with the export of cylinder, the pressure boost section of thick bamboo has an oil-out that is used for connecting the hydro-cylinder, the sectional area that has the pole chamber of cylinder is greater than the sectional area of the inner chamber of pressure boost section of thick bamboo. The device can utilize the cylinder to output higher oil pressure to the pressurizing cylinder, and saves the cost for configuring a hydraulic system.
Description
Technical Field
The utility model relates to a gas oil pressure unit technical field, in particular to cylinder device for oil cylinder supply high pressure oil.
Background
The hydraulic oil cylinder is an actuating element with wide application, and can obtain high pressure and large output by matching with a hydraulic system. Most of hydraulic systems have more parts and huge equipment volume, can occupy more site areas of factories, are expensive in manufacturing cost and can cause economic burden for some tiny enterprises.
Therefore, in order to avoid the above problems, it is necessary to provide a cylinder device for supplying high-pressure oil to a cylinder to overcome the problems occurring in the prior art.
Disclosure of Invention
The utility model discloses a main aim at provides a cylinder device can utilize the cylinder to provide high pressure hydraulic oil for the cylinder.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an air cylinder device for supplying high-pressure oil to an oil cylinder comprises the air cylinder with a piston rod and a piston, a pressure increasing cylinder positioned at the outlet end of the piston rod and an oil cylinder positioned above the air cylinder, wherein the inside of the oil cylinder is communicated with the inside of the pressure increasing cylinder and an outlet of the air cylinder, the pressure increasing cylinder is provided with an oil outlet used for being connected with the oil cylinder, and the sectional area of a rod cavity of the air cylinder is larger than that of an inner cavity of the pressure increasing cylinder.
Specifically, the cylinder comprises a front cover, a rear cover, a cylinder barrel clamped between the front cover and the rear cover, and a piston fixed on the piston rod and capable of moving axially in the cylinder barrel, the front cover is provided with an axle tube communicated with the pressurizing barrel and a side tube communicated with the oil barrel and the axle tube, and the piston rod can penetrate through the axle tube.
Furthermore, a flange is arranged on one surface of the pressurizing cylinder facing the cylinder, a circular groove matched with the flange is formed in the front end of the front cover, a sleeve plate with a stepped circular hole is sleeved on the pressurizing cylinder, and the flange is fixed in the circular groove through a fixing screw.
Furthermore, a taper groove is formed in one surface, facing the rear cover, of the piston, and a buffering sealing piece is arranged in the taper groove.
Further, a self-lubricating bearing surrounding the piston rod is arranged in the shaft tube.
Specifically, the piston is fixed to the piston rod by a set screw.
Specifically, an oil filling port with internal threads is arranged above the oil cylinder, and a threaded cover is arranged in the oil filling port.
Specifically, a transparent oil sight glass is arranged on the side of the oil cylinder.
Specifically, one side of the oil outlet is provided with a mounting opening for assembling a pressure gauge.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
the device can utilize the cylinder to output higher oil pressure to the pressurizing cylinder, and saves the cost for configuring a hydraulic system.
Drawings
Fig. 1 is an axial sectional view of a cylinder device in which a cylinder is supplied with high-pressure oil according to an embodiment.
Labeled as:
1-cylinder, 11-front cover, 111-axle tube, 112-side tube, 12-rear cover, 13-cylinder, 14-piston rod, 15-piston, 16-set screw, 17-buffer sealing element, 18-self-lubricating bearing;
2-a pressurizing cylinder, 21-an oil outlet, 22-a flange and 23-a mounting port;
3-oil cylinder, 31-oil filling port, 32-thread cover, 33-oil sight glass;
4-sheathing the board.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example (b):
as shown in fig. 1, a cylinder device for supplying high-pressure oil to a cylinder comprises a cylinder 1 having a piston rod 14 and a piston 15, a pressurizing cylinder 2 located at an outlet end of the piston rod 14, and an oil cylinder 3 located above the cylinder 1, wherein the inside of the oil cylinder 3 is communicated with the inside of the pressurizing cylinder 2 and an outlet of the cylinder 1, the pressurizing cylinder 2 has an oil outlet 21 for connecting the cylinder, and a rod chamber (not labeled) of the cylinder 1 has a sectional area larger than that of an inner chamber of the pressurizing cylinder 2. The oil cylinder 3 is used for supplying oil to the pressurizing cylinder 2 and the rod cavity of the cylinder 1, the cylinder 1 admits air from one side of the rodless cavity, pushes the piston 15 to move towards the pressurizing cylinder 2, and the piston moves according to the force balance principle P2＝P1×A1/A2(P1Is the air pressure of the rodless chamber of the cylinder 1, P2To increase the oil pressure in the cylinder 2, A1Is the cross-sectional area of the rodless cavity of the cylinder 1, A2Is the cross-sectional area, A, of the piston rod 141/A2Pressure increase ratio) of the two chambersBy inputting a smaller air pressure, a high pressure can be obtained at the pressurizing barrel, so the device can utilize the air cylinder 1 to output a higher oil pressure to the pressurizing barrel 2, and the cost for configuring a hydraulic system is saved.
As shown in fig. 1, the cylinder 1 includes a front cover 11, a rear cover 12, a cylinder tube 13 sandwiched between the front cover 11 and the rear cover 12, and a piston 15 fixed to a piston rod 14 and axially movable in the cylinder tube 13, the front cover 11 has a shaft tube 111 communicating with the pressure increasing cylinder 2 and a side tube 112 communicating with the oil cylinder 3 and the shaft tube 111, and the piston rod 14 can pass through the shaft tube 111. The structure is simple to process and assemble. Seals are required between components to improve the service life of the device.
As shown in fig. 1, a flange 22 is provided on a side of the pressure cylinder 2 facing the cylinder, a circular groove (not labeled) matching the flange 22 is provided at the front end of the front cover 11, a sleeve plate 4 having a stepped circular hole is sleeved on the pressure cylinder 2, and the flange 22 is fixed in the circular groove by the sleeve plate 4 through a fixing screw (not labeled). The sealing between the pressurizing cylinder 2 and the outlet of the cylinder 1 can be more reliable by adopting the fixing mode.
As shown in fig. 1, the piston 15 is provided with a tapered groove (not labeled) in a side facing the rear cover 12, and a cushion seal 17 is provided in the tapered groove. The cushion seal 17 can reduce the impact force generated when the piston 15 collides with the rear cover 12 when retreating, and protect the piston 15 and the rear cover 12.
As shown in fig. 1, a self-lubricating bearing 18 is provided in the shaft tube 111 around the piston rod 14. Self-lubricating bearing 18 supports and lubricates piston rod 14.
As shown in fig. 1, the piston 15 is fixed to the piston rod 14 by a set screw 16. The set screw 16 can prevent the piston 15 from rotating relative to the piston rod 14, which results in unstable sealing performance.
As shown in fig. 1, an oil filling port 31 having an internal thread (not shown) is provided above the oil cylinder 3, and a screw cap 32 is provided in the oil filling port 31. The device utilizes the oil filling port 31 to fill pressure oil, and then uses the screw cap 32 to close the oil filling port 31, so as to avoid pressure oil overflow in operation.
As shown in fig. 1, a transparent oil sight glass 33 is provided on the side of the oil cylinder 3. The oil level in the oil drum 3 can be observed by the oil level sight glass 33.
As shown in fig. 1, one side of the oil outlet 21 is provided with a mounting port 23 for assembling a pressure gauge (not shown). The pressure gauge can display the oil pressure of the current oil outlet 21 to ensure that the oil pressure reaches a required value.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. A cylinder device for supplying a cylinder with high-pressure oil, characterized in that: the oil cylinder comprises an air cylinder with a piston rod and a piston, a pressurizing cylinder positioned at the outlet end of the piston rod and an oil cylinder positioned above the air cylinder, wherein the inside of the oil cylinder is communicated with the inside of the pressurizing cylinder and the outlet of the air cylinder, the pressurizing cylinder is provided with an oil outlet used for being connected with an oil cylinder, and the sectional area of a rod cavity of the air cylinder is larger than that of an inner cavity of the pressurizing cylinder.
2. The cylinder device according to claim 1, wherein: the air cylinder comprises a front cover, a rear cover, a cylinder barrel clamped between the front cover and the rear cover, and a piston fixed on the piston rod and capable of moving axially in the cylinder barrel, the front cover is provided with an axle tube communicated with the pressurizing barrel and a side tube communicated with the oil barrel and the axle tube, and the piston rod can penetrate through the axle tube.
3. The cylinder device according to claim 2, wherein: the boosting cylinder is provided with a flange on one surface facing the cylinder, the front end of the front cover is provided with a circular groove matched with the flange, the boosting cylinder is sleeved with a sleeve plate with a stepped round hole, and the sleeve plate is fixed in the circular groove through a fixing screw.
4. The cylinder device according to claim 2, wherein: the piston is equipped with the tapering groove towards the one side of back lid, be equipped with buffering sealing member in the tapering groove.
5. The cylinder device according to claim 2, wherein: and a self-lubricating bearing surrounding the piston rod is arranged in the shaft tube.
6. The cylinder device according to claim 1, wherein: the piston is fixed with the piston rod through a set screw.
7. The cylinder device according to claim 1, wherein: an oil filling port with internal threads is arranged above the oil cylinder, and a threaded cover is arranged in the oil filling port.
8. The cylinder device according to claim 1, wherein: and a transparent oil sight glass is arranged on the side of the oil cylinder.
9. The cylinder device according to claim 1, wherein: and one side of the oil outlet is provided with a mounting port for assembling a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437080.1U CN210715331U (en) | 2019-08-30 | 2019-08-30 | Cylinder device for supplying high-pressure oil to oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437080.1U CN210715331U (en) | 2019-08-30 | 2019-08-30 | Cylinder device for supplying high-pressure oil to oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715331U true CN210715331U (en) | 2020-06-09 |
Family
ID=70935751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921437080.1U Active CN210715331U (en) | 2019-08-30 | 2019-08-30 | Cylinder device for supplying high-pressure oil to oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715331U (en) |
-
2019
- 2019-08-30 CN CN201921437080.1U patent/CN210715331U/en active Active
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