CN201250767Y - Air-driven hydraulic pump - Google Patents
Air-driven hydraulic pump Download PDFInfo
- Publication number
- CN201250767Y CN201250767Y CNU2008201526616U CN200820152661U CN201250767Y CN 201250767 Y CN201250767 Y CN 201250767Y CN U2008201526616 U CNU2008201526616 U CN U2008201526616U CN 200820152661 U CN200820152661 U CN 200820152661U CN 201250767 Y CN201250767 Y CN 201250767Y
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- CN
- China
- Prior art keywords
- air
- hydraulic pump
- piston rod
- driven hydraulic
- spool
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an air-driven hydraulic pump comprising a valve body rear cover part (1), a piston (2), a cylinder (3), a spring (4), a small piston rod (5), a guide bushing (6), a retainer (7), a sealing ring (8), a high-pressure oil output body (9), an oil absorbing body (10), a transition connector (11), a flange (12) and a nut (13), the pump is characterized in that the valve body rear cover part (1) comprises a muffler (14), a muffler (15), a reversing bar (16), a valve core (17), a guide bushing (18), an air source inlet (19), the valve core (20), a valve pocket (21) and a screw plug (22) which are arranged on the valve body rear cover part, wherein the piston rod (2) is arranged in the cylinder (3), the small piston rod (5) clamps the piston (2), the spring (4) surrounds on the small piston rod (5), and the flange (11) and the nut (13) are connected and fixed on the front cover (23). The air-driven hydraulic pump can keep the pressure without consuming energy, thereby providing an economic hydraulic power source for users, the pump has the advantages that the pump can be operated for years with low cost and non-failure, the mechanism is compact, the noise is low and the volume is small.
Description
Technical field
The utility model relates to a kind of oil hydraulic pump, particularly a kind of air-driven hydraulic pump.
Background technique
At present, oil hydraulic pump has artificial and pneumatic, artificial oil hydraulic pump because because its efficient is low and speed is eliminated slowly gradually, and existing air-driven hydraulic pump exists pressure transient, and noise is big, volume is big, baroque problem.
The model utility content
Solve the above-mentioned technical problem that oil hydraulic pump exists, and a kind of air-driven hydraulic pump is provided.
For achieving the above object, the technical solution of the utility model is as follows:
Air-driven hydraulic pump, comprise valve body back cover portion (1), piston (2), cylinder barrel (3), spring (4), small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8), high pressure oil output body (9), oil suction body (10), transition connecting body (11), flange (12), nut (13), valve body back cover portion (1) comprises silencing apparatus (14), silencing apparatus (15), reversing bar (16), spool (17), guide sleeve (18), gas source air inlet (19), spool (20), valve pocket (21), plug screw (22), valve body back cover portion (1) offers gas source air inlet (19), spool (20) is installed in the valve pocket (21), plug screw (22) is installed in the hole of establishing in advance, the axis of plug screw (22) and spool (20) point-blank, reversing bar (16) is arranged in the hole that presets, spool (17) is installed in the guide sleeve (18), silencing apparatus (14), silencing apparatus (15) is disposed thereon, and piston (2) is installed in the cylinder barrel (3), small piston rod (5) seized piston (2), spring (4) is on small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8) is enclosed within on the small piston rod (5) in turn, and flange (12) is installed in the transition connecting body (11), high pressure oil output body (9), oil suction body (10) is communicated with.
Seal ring (8) is a y-type seal ring.
The valve body back cover portion has spilehole on (1).
The oil suction body is equipped with one-way valve on (10).
High pressure oil output body (9) is equipped with one-way valve.
Beneficial effect:
Air-driven hydraulic pump is to realize simple and effective power amplification principle by area difference, according to the Boyle law, by a bigger pneumatic piston to than the small bore piston transmission pressure, thereby the fluid dynamic of elevated pressures is provided.When delivery pressure and air driven power reach balance and when entering stall conditions, pneumatic pump stops automatically, this moment, pump keep-uped pressure, but consumed energy not, thus for the user provides economic hydraulic power supply, can low-cost failure-free operation for many years, and mechanism's compactness, noise is little, and volume is little.
Description of drawings
Fig. 1 is a structural front view of the present utility model;
The sectional view of bowing of Fig. 2 valve body back cover portion (1);
The sectional view of Fig. 3 valve body back cover portion (1);
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As Fig. 1,2, shown in 3, air-driven hydraulic pump, comprise valve body back cover portion (1), piston (2), cylinder barrel (3), spring (4), small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8), high pressure oil output body (9), oil suction body (10), transition connecting body (11), flange (12), nut (13), valve body back cover portion (1) comprises silencing apparatus (14), silencing apparatus (15), reversing bar (16), spool (17), guide sleeve (18), gas source air inlet (19), spool (20), valve pocket (21), plug screw (22), valve body back cover portion (1) offers gas source air inlet (19), and spool (20) is installed in the valve pocket (21), and plug screw (22) is installed in the hole of establishing in advance, the axis of plug screw (22) and spool (20) point-blank, reversing bar (16) is arranged in the hole that presets, and spool (17) is installed in the guide sleeve (18), silencing apparatus (14), silencing apparatus (15) is disposed thereon, piston (2) is installed in the cylinder barrel (3), small piston rod (5) seized piston (2), spring (4) on small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8) is enclosed within on the small piston rod (5) in turn, flange (12) is installed in the transition connecting body (11), high pressure oil output body (9), oil suction body (10) is communicated with.
Seal ring (8) is a y-type seal ring.
The valve body back cover portion has spilehole on (1).
The oil suction body is equipped with one-way valve on (10).
High pressure oil output body (9) is equipped with one-way valve.
During the supercharging stroke: pressurized air promotes spool 20 commutations from gas source air inlet 19 air inlets.Pressurized air promotes piston 2 drive small piston rods 5 and moves downward, spring 4 compressions, and piston 2 cavity of resorption air are discharged from silencing apparatus 15.Oil suction this moment body 10 closed check valves, fluid is discharged from high pressure oil output body 9, finishes the supercharging stroke.
During backhaul, when piston 2 is moving downwards transport to the position after, drive reversing bar 16 and move downward, valve body bonnet spilehole pressurized air is connected and is promoted spool 20 commutations, this moment, suction port 19 sources of the gas ended, and piston 2 moves upward under the effect of spring 4, and piston 2 epicoele air are discharged by silencing apparatus 14.This moment, piston 2 drive small piston rods 5 moved upward high pressure oil transportation body closed check valve.Fluid is sucted by small piston rod 5.After upwards moving the putting in place, piston 2 promotes spool 17 motions, and valve body bonnet spilehole pressurized air is connected and promoted spool 20 commutations, enters the supercharging stroke, repeating motion.
Claims (5)
1. air-driven hydraulic pump, comprise valve body back cover portion (1), piston (2), cylinder barrel (3), spring (4), small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8), high pressure oil output body (9), oil suction body (10), transition connecting body (11), flange (12), nut (13) is characterized in that, described valve body back cover portion (1) comprises silencing apparatus (14), silencing apparatus (15), reversing bar (16), spool (17), guide sleeve (18), gas source air inlet (19), spool (20), valve pocket (21), plug screw (22), valve body back cover portion (1) offers gas source air inlet (19), and spool (20) is installed in the valve pocket (21), and plug screw (22) is installed in the hole of establishing in advance, the axis of plug screw (22) and spool (20) point-blank, reversing bar (16) is arranged in the hole that presets, and spool (17) is installed in the guide sleeve (18), silencing apparatus (14), silencing apparatus (15) is disposed thereon, piston (2) is installed in the cylinder barrel (3), small piston rod (5) seized piston (2), spring (4) on small piston rod (5), guide sleeve (6), back-up ring (7), seal ring (8) is enclosed within on the small piston rod (5) in turn, flange (12) is installed in the transition connecting body (11), high pressure oil output body (9), oil suction body (10) is communicated with.
2. air-driven hydraulic pump according to claim 1 is characterized in that, described seal ring (8) is a y-type seal ring.
3. air-driven hydraulic pump according to claim 2 is characterized in that, has spilehole on the described valve body back cover portion (1).
4. air-driven hydraulic pump according to claim 1 is characterized in that, on the described oil suction body (10) one-way valve is installed.
5. air-driven hydraulic pump according to claim 1 is characterized in that, described high pressure oil output body (9) is equipped with one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201526616U CN201250767Y (en) | 2008-09-03 | 2008-09-03 | Air-driven hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201526616U CN201250767Y (en) | 2008-09-03 | 2008-09-03 | Air-driven hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250767Y true CN201250767Y (en) | 2009-06-03 |
Family
ID=40746441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201526616U Expired - Fee Related CN201250767Y (en) | 2008-09-03 | 2008-09-03 | Air-driven hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250767Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141595A (en) * | 2014-07-23 | 2014-11-12 | 上海帕格液压设备有限公司 | Pneumatic hydraulic pump |
| CN104583590A (en) * | 2012-08-28 | 2015-04-29 | 帕斯卡工程株式会社 | Compressed air driven reciprocating piston hydraulic pump |
| CN106593802A (en) * | 2017-02-06 | 2017-04-26 | 宁波天泰美克智能科技有限公司 | Pneumatic structure for hydraulic pneumatic pump |
| CN106704135A (en) * | 2017-02-06 | 2017-05-24 | 宁波天泰美克智能科技有限公司 | Oil-pressure pneumatic pump |
| CN109162885A (en) * | 2018-10-30 | 2019-01-08 | 大连元利流体技术有限公司 | Booster pump without external reversing mechanism |
| CN112112777A (en) * | 2020-10-30 | 2020-12-22 | 江苏瑞兴环保设备有限公司 | Pneumatic piston pump |
-
2008
- 2008-09-03 CN CNU2008201526616U patent/CN201250767Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104583590A (en) * | 2012-08-28 | 2015-04-29 | 帕斯卡工程株式会社 | Compressed air driven reciprocating piston hydraulic pump |
| TWI601878B (en) * | 2012-08-28 | 2017-10-11 | 巴斯卡爾工程技術股份有限公司 | Pressurized air-driven piston reciprocating motion hydraulic pump |
| CN104141595A (en) * | 2014-07-23 | 2014-11-12 | 上海帕格液压设备有限公司 | Pneumatic hydraulic pump |
| CN106593802A (en) * | 2017-02-06 | 2017-04-26 | 宁波天泰美克智能科技有限公司 | Pneumatic structure for hydraulic pneumatic pump |
| CN106704135A (en) * | 2017-02-06 | 2017-05-24 | 宁波天泰美克智能科技有限公司 | Oil-pressure pneumatic pump |
| CN109162885A (en) * | 2018-10-30 | 2019-01-08 | 大连元利流体技术有限公司 | Booster pump without external reversing mechanism |
| CN112112777A (en) * | 2020-10-30 | 2020-12-22 | 江苏瑞兴环保设备有限公司 | Pneumatic piston pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20150903 |
|
| EXPY | Termination of patent right or utility model |