CN201474888U - Pneumatic oil pump - Google Patents
Pneumatic oil pump Download PDFInfo
- Publication number
- CN201474888U CN201474888U CN2009201867780U CN200920186778U CN201474888U CN 201474888 U CN201474888 U CN 201474888U CN 2009201867780 U CN2009201867780 U CN 2009201867780U CN 200920186778 U CN200920186778 U CN 200920186778U CN 201474888 U CN201474888 U CN 201474888U
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- Prior art keywords
- oil
- oil pump
- piston
- pneumatic
- end cap
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- Expired - Lifetime
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Abstract
The utility model discloses a pneumatic oil pump comprising an oil inlet, an oil pressing port, and an oil pipe connecting the oil inlet and the oil pressing port; a driving mechanism of the oil pump is a pneumatic device; the oil pipe is arranged between the oil inlet and the oil pressing port and divided into two hydraulic pipelines which are communicated in an end-to-end manner; each hydraulic pipe is provided with two one-way valves with same directions; the conducting direction of the one-way valve is from the oil inlet to the oil pressing port; a three-way joint is arranged at two one-way valves of each hydraulic pipe; and the two three-way joints on the two hydraulic pipes are connected with oil cavities at two ends of a pneumatic reciprocating oil cylinder. By adopting the technical scheme, the pneumatic oil pump utilizes pneumatic pressure to obtain continuous high-pressure hydraulic oil, and can be conveniently adjusted and automatically realize the pressure control of a system, does not need a power supply, realizes safe application, meets the needs of different engineering situations, can be widely superior to various different hydraulic transmission systems, and has compact structure and convenient use.
Description
Technical field
The utility model belongs to pneumatic and hydraulicdriven technical field, relates to the power plant of hydraulic system, and more particularly, the utility model relates to a kind of Pneumatic oil pump.
Background technique
In Hydraulic Power Transmission System, oil hydraulic pump need be set, and oil hydraulic pump is positioned as close to hydraulic actuator.And the drive unit of oil hydraulic pump is a motor, need provide power supply for it.
But, in some occasion, be to provide electric supply at the scene, the one, the restriction that is kept safe does not allow electrification at the scene, as explosive dust, gaseous environment; The 2nd, in closely, can't obtain power supply, can only quite provide power supply outside the distance, at this moment, hydraulic system need be arranged on the job site with executive component, and oil hydraulic pump is arranged on place outside the very long distance in job site, connects power supply, so just need very long hydraulic pipe line, problem is: one, hydraulic pipe line is long more, and the pressure loss is big more, does not satisfy the burden requirement of executive component; Two, hydraulic pipe line is long more, is vulnerable to external influence, interference more, causes the leakage of hydraulic oil, even causes the impaired of pipeline
Summary of the invention
Problem to be solved in the utility model provides a kind of Pneumatic oil pump, its objective is to utilize Pneumatic pressure to obtain continuous, adjustable hydraulic power.
To achieve these goals, the technological scheme taked of the utility model is:
This Pneumatic oil pump provided by the utility model, comprise a filler opening, the oil pipe of pressing hydraulic fluid port and connecting these two hydraulic fluid ports, the driving mechanism of described oil pump is a Pneumatic actuator, be that described oil pipe is between filler opening and pressure hydraulic fluid port, be divided into two hydraulic pipe lines that are connected to end, two one-way valves in the same way all are set on every hydraulic pipe line, the conducting direction of described one-way valve is to point to from filler opening to press hydraulic fluid port, between two one-way valves on every hydraulic pipe line, respectively establish a tee union; Two tee unions on described two pipelines are connected with the oil pocket at the two ends of pneumatic reciprocating oil cylinder.
The utility model also on the basis of technique scheme, has further proposed concrete technological scheme, makes the technical solution of the utility model more perfect, concrete and have more practicability, implements in engineering with convenient.
These concrete technological schemes are:
The structure of described pneumatic reciprocating oil cylinder comprises cylinder barrel, the fixedly connected oil pump distribution of the one end end cap of described cylinder barrel, the fixedly connected oil pump end cap of the other end, described oil pump distribution end cap and oil pump end cap are equipped with oil pocket, are communicated with tee union on described two hydraulic pipe lines respectively; Establish the charged piston bar in described cylinder barrel, the two ends of described charged piston bar cooperate with the oil pocket of oil pump distribution end cap and oil pump end cap respectively, form the piston of oil pocket; Reinforced wall is established in axial centre at described cylinder barrel inner chamber, is fastenedly connected with cylinder barrel, and the cylinder barrel inner chamber is separated into two air cavitys; Establish first stage piston and second piston respectively in described two air cavitys, described charged piston bar passes reinforced wall and is fastenedly connected with first stage piston and second piston.
Establish suction port, relief opening and automatic reverse spool on the described oil pump distribution end cap, the axial convex shoulder of described automatic reverse spool and cooperating of oil pump distribution end cap, constitute the distribution path of described pneumatic reciprocating oil cylinder, respectively with described cylinder barrel in first stage piston and the acting chamber of the side in the same way of second piston be communicated with.
Establish the intake and exhaust conduit in the described cylinder barrel, described intake and exhaust conduit passes described reinforced wall, and two ends are connected with second piston with described first stage piston by packing ring respectively; Establish two gas circuits in the described intake and exhaust conduit, the acting chamber with the side in the same way of first stage piston in two air cavitys in the described cylinder and second piston is communicated with respectively.
Described first stage piston is located at the air cavity that is positioned at oil pump distribution end cap end; Establish automatic air pipe on described oil pump distribution end cap, the axis of described automatic air pipe and the parallel axes of first stage piston are passed and are slidingly matched with oil pump distribution end cap; One end of described automatic air pipe is fixedlyed connected with described first stage piston; One section of the centre of the described automatic air pipe formation air cavity that communicates with described automatic reverse spool one end; Be provided with two paths in the described automatic air pipe, be communicated with the air cavity of the end of the two ends of automatic air pipe and automatic reverse spool respectively.
The utility model adopts technique scheme, utilizes Pneumatic pressure to obtain continuous high-pressure and hydraulic oil, and can regulate easily, realizes the pressure control of system automatically; Do not need power supply, realize Secure Application, satisfy the needs of different engineering occasions; Can extensively be better than all kinds of different Hydraulic Power Transmission Systems, compact structure, easy to use.
Description of drawings
Below expressed content of the accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present utility model.
Be labeled as among the figure:
1, one-way valve, 2, pipe joint, 3, tee union, 4, the oil pump end cap, 5, automatic reverse spool, 6, first stage piston, 7, the intake and exhaust conduit, 8, reinforced wall, 9, second piston, 10, the oil pump end cap, 11, packing ring, 12, the charged piston bar, 13, wrist pin, 14, screw, 15, air pipe automatically, 16, cylinder barrel, 17, seal ring, 18, nut, 19, filler opening, 20, press hydraulic fluid port, 21, suction port, 22, relief opening.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and working principle, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technological scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, the utility model is a kind of Pneumatic oil pump, comprises a filler opening 19, the oil pipe of pressing hydraulic fluid port 20 and connecting these two hydraulic fluid ports.
In order to solve the problem that exists at the described present known technology of this specification background technique part and to overcome its defective, realize utilizing Pneumatic pressure to obtain the goal of the invention of continuous, adjustable hydraulic power, the technological scheme that the utility model is taked is:
This Pneumatic oil pump provided by the utility model, the driving mechanism of its oil pump is a Pneumatic actuator, be that described oil pipe is between filler opening 19 and pressure hydraulic fluid port 20, be divided into two hydraulic pipe lines that are connected to end, two one-way valves 1 in the same way all are set on every hydraulic pipe line, the conducting direction of described one-way valve 1 is to point to from filler opening 19 to press hydraulic fluid port 20, between two one-way valves 1 on every hydraulic pipe line, respectively establishes a tee union 3; Two tee unions 3 on described two pipelines are connected with the oil pocket at the two ends of pneumatic reciprocating oil cylinder.
Tee union 3 is connected with one-way valve 1 by pipe joint 2.One-way valve 1 is fastenedly connected on hydraulic pipe line by nut 18.
Like this,, hydraulic oil is sucked by filler opening 19, by pressing hydraulic fluid port 20 to extrude, deliver to the actuator and the control mechanism of hydraulic system then, realize that it drives the function of load no matter pneumatic reciprocating oil cylinder all can be utilized four one-way valves 1 to which direction motion.Therefore be continuous from the hydraulic oil of pressing hydraulic fluid port 20 outputs, and pressure boosts through Pneumatic actuator, the pressure that changes gas just can be realized the pressure regulation of hydraulic system easily.
The utility model adopts technique scheme, utilizes Pneumatic pressure to obtain continuous high-pressure and hydraulic oil, and can regulate easily, realizes the pressure control of system automatically; Do not need power supply, realize Secure Application, satisfy the needs of different engineering occasions; Can be widely used in all kinds of different Hydraulic Power Transmission Systems, compact structure, easy to use.
Below be the concrete exemplifying embodiment that the utility model provides, those skilled in the art can use with selecting when implementing the utility model in reference:
One, the embodiment of the structure of pneumatic reciprocating oil cylinder:
The structure of pneumatic reciprocating oil cylinder described in the utility model comprises cylinder barrel 16, the fixedly connected oil pump distribution of the one end end cap 4 of described cylinder barrel 16, the fixedly connected oil pump end cap 10 of the other end, described oil pump distribution end cap 4 and oil pump end cap 10 are equipped with oil pocket, are communicated with tee union 3 on described two hydraulic pipe lines respectively; Establish charged piston bar 12 in described cylinder barrel 16, the two ends of described charged piston bar 12 cooperate with the oil pocket of oil pump distribution end cap 4 and oil pump end cap 10 respectively, form the piston of oil pocket; Reinforced wall 8 is established in axial centre at described cylinder barrel 16 inner chambers, is fastenedly connected with cylinder barrel 16, and cylinder barrel 16 inner chambers are separated into two air cavitys; Establish first stage piston 6 and second piston 9 respectively in described two air cavitys, described charged piston bar 12 passes reinforced wall 8 and is fastenedly connected with first stage piston 6 and second piston 9.
Adopt seal ring 17 sealings between oil pump distribution end cap 4 and oil pump end cap 10 and the cylinder barrel 16.Seal ring 17 is the O RunddichtringO.
First stage piston 6 is connected with charged piston bar 12 by wrist pin 13 respectively with second piston 9.
Reinforced wall 8 is fastenedly connected on cylinder barrel 16 by screw 14.The effect of reinforced wall 8 is structural strength and the rigidity that improves the integral body of cylinder, and middle acquisition of charged piston bar 12 supported.Like this, just can adopt two pistons, obtain bigger thrust, make the interior hydraulic pressure of oil pocket at charged piston bar 12 two ends obtain bigger oil pressure.
Two, the structure embodiment of oil pump distribution end cap and automatic reverse spool:
The effect of automatic reverse spool 5 is to realize air feed in two air cavitys of cylinder barrel 16.
Oil pump distribution end cap
Three, the structure embodiment of intake and exhaust conduit:
Establish intake and exhaust conduit 7 in the described cylinder barrel 16 described in the utility model, described intake and exhaust conduit 7 passes described reinforced wall 8, and two ends are connected with second piston 9 with described first stage piston 6 by packing ring 11 respectively; Establish two gas circuits in the described intake and exhaust conduit 7, the acting chamber with the side in the same way of first stage piston 6 in two air cavitys of described cylinder barrel 16 and second piston 9 is communicated with respectively.
Packing ring 11 is that the back-up ring structure automatic reverse spool 5 in intake and exhaust conduit 7 ends is to pack into slidably on the exhaust manifolds 7, makes automatic reverse spool 5 and intake and exhaust conduit 7 that an amount of floating axially arranged, with allow two have between all one axial micro-asynchronous.
The effect of intake and exhaust conduit is the connection that realizes the acting chamber of the side in the same way of first stage piston 6 and second piston 9, finishes the motion of equidirectional.
Four, the structure embodiment of automatic air pipe:
First stage piston 6 described in the utility model is located at the air cavity that is positioned at oil pump distribution end cap 4 ends; Establish automatic air pipe 15 on described oil pump distribution end cap 4, the parallel axes of the axis of described automatic air pipe 15 and first stage piston 6 is passed and is slidingly matched with oil pump distribution end cap 4; One end of described automatic air pipe 15 is fixedlyed connected with described first stage piston 6; One section of the centre of the described automatic air pipe 15 formation air cavity that communicates with described automatic reverse spool 5 one ends; Be provided with two paths in the described automatic air pipe 15, be communicated with the air cavity 5 of the end of the two ends of automatic air pipe 15 and automatic reverse spool 5 respectively.
Automatically the effect of air pipe 15 is: according to its axial diverse location, realize that the pressure of automatic reverse spool 5 end air cavitys raises or reduction, make automatic reverse spool 5 produce motion, realize the commutation campaign of first stage piston 6 and second piston 9.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; or design of the present utility model and technological scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (5)
1. Pneumatic oil pump, comprise a filler opening (19), the oil pipe of pressing hydraulic fluid port (20) and connecting these two hydraulic fluid ports, it is characterized in that: the driving mechanism of described oil pump is a Pneumatic actuator, be that described oil pipe is between filler opening (19) and pressure hydraulic fluid port (20), be divided into two hydraulic pipe lines that are connected to end, two one-way valves (1) in the same way all are set on every hydraulic pipe line, the conducting direction of described one-way valve (1) is to point to from filler opening (19) to press hydraulic fluid port (20), between two one-way valves (1) on every hydraulic pipe line, respectively establish a tee union (3); Two tee unions (3) on described two pipelines are connected with the oil pocket at the two ends of pneumatic reciprocating oil cylinder.
2. according to the described Pneumatic oil pump of claim 1, it is characterized in that: the structure of described pneumatic reciprocating oil cylinder comprises cylinder barrel (16), the fixedly connected oil pump distribution of the one end end cap (4) of described cylinder barrel (16), the fixedly connected oil pump end cap of the other end (10), described oil pump distribution end cap (4) and oil pump end cap (10) are equipped with oil pocket, are communicated with tee union (3) on described two hydraulic pipe lines respectively; Establish charged piston bar (12) in described cylinder barrel (16), the two ends of described charged piston bar (12) cooperate with the oil pocket of oil pump distribution end cap (4) and oil pump end cap (10) respectively, form the piston of oil pocket; Reinforced wall (8) is established in axial centre at described cylinder barrel (16) inner chamber, is fastenedly connected with cylinder barrel (16), and cylinder barrel (16) inner chamber is separated into two air cavitys; Establish first stage piston (6) and second piston (9) in described two air cavitys respectively, described charged piston bar (12) passes reinforced wall (8) and is fastenedly connected with first stage piston (6) and second piston (9).
3. according to the described Pneumatic oil pump of claim 2, it is characterized in that: establish suction port (21), relief opening (22) and automatic reverse spool (5) on the described oil pump distribution end cap (4), the axial convex shoulder of described automatic reverse spool (5) cooperates with oil pump distribution end cap (4), constitute the distribution path of described pneumatic reciprocating oil cylinder, be communicated with the acting chamber of the side in the same way of the first stage piston (6) of described cylinder barrel (16) and second piston (9) respectively.
4. according to the described Pneumatic oil pump of claim 3, it is characterized in that: establish intake and exhaust conduit (7) in the described cylinder barrel (16), described intake and exhaust conduit (7) passes described reinforced wall (8), and two ends are connected with second piston (9) with described first stage piston (6) by packing ring (11) respectively; Establish two gas circuits in the described intake and exhaust conduit (7), the acting chamber of respectively that two air cavitys of described cylinder barrel (16) are the interior first stage piston (6) and the side in the same way of second piston (9) is communicated with.
5. according to the described Pneumatic oil pump of claim 4, it is characterized in that: described first stage piston (6) is located at the air cavity that is positioned at oil pump distribution end cap (4) end; Establish automatic air pipe (15) on described oil pump distribution end cap (4), the parallel axes of the axis of described automatic air pipe (15) and first stage piston (6) is passed and is slidingly matched with oil pump distribution end cap (4); One end of described automatic air pipe (15) is fixedlyed connected with described first stage piston (6); One section of the centre of described automatic air pipe (15) the formation air cavity that communicates with described automatic reverse spool (5) one ends; Be provided with two paths in the described automatic air pipe (15), be communicated with the air cavity of the end of the two ends of automatic air pipe (15) and automatic reverse spool (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201867780U CN201474888U (en) | 2009-07-31 | 2009-07-31 | Pneumatic oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201867780U CN201474888U (en) | 2009-07-31 | 2009-07-31 | Pneumatic oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474888U true CN201474888U (en) | 2010-05-19 |
Family
ID=42411134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201867780U Expired - Lifetime CN201474888U (en) | 2009-07-31 | 2009-07-31 | Pneumatic oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624977B (en) * | 2009-07-31 | 2011-07-20 | 芜湖洪金机床有限公司 | Pneumatic oil pump |
-
2009
- 2009-07-31 CN CN2009201867780U patent/CN201474888U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624977B (en) * | 2009-07-31 | 2011-07-20 | 芜湖洪金机床有限公司 | Pneumatic oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090731 |