CN204327429U - A kind of plunger pneumatic liquid booster pump - Google Patents
A kind of plunger pneumatic liquid booster pump Download PDFInfo
- Publication number
- CN204327429U CN204327429U CN201420760355.6U CN201420760355U CN204327429U CN 204327429 U CN204327429 U CN 204327429U CN 201420760355 U CN201420760355 U CN 201420760355U CN 204327429 U CN204327429 U CN 204327429U
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- China
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- valve
- piston
- cylinder
- hole
- depression bar
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Abstract
The utility model discloses a kind of plunger pneumatic liquid booster pump, comprise oil hydraulic cylinder, cylinder and man-operated mechanism, oil hydraulic cylinder comprises hydraulic cylinder and plunger.Cylinder comprises front end housing, back cylinder cover, cylinder barrel, piston, piston rod and changement, and cylinder comprises piston reset spring, and Returnning spring is arranged between front end housing and piston; Man-operated mechanism comprises base, handle and depression bar, and base is fixed on after back cylinder cover; Base comprises strut kong, and depression bar and strut kong are slidably matched; The front end of depression bar withstands on the rear end of piston rod, one end of handle and base hinged, the middle part of handle is pressed in the rear end of depression bar.The utility model adopts two kinds of driving mode to drive, and without when driving source of the gas or drive bleed pressure to can not meet demand, manually operated mode can be adopted to complete hydraulic pressure and export.
Description
[technical field]
The utility model relates to pluger type hydraulic pump, particularly relates to a kind of plunger pneumatic liquid booster pump.
[background technique]
Existing liquid booster pump driving mode is single, and have pneumatic, electronic and manual three kinds of driving mode, but be single drive pattern, cannot meet the demands once this driving source, then liquid booster pump cannot work, and will certainly affect in some occasion.
Such as, the patent No. is that the model utility of CN200620092589.3 discloses a kind of air-driven hydraulic pump, it comprises cylinder tube and cylinder barrel and the oil outlet one-way valve that is connected as a single entity with cylinder tube and oil sucting one-way valve, the left pump housing be connected as a single entity with cylinder barrel and the right pump housing, cylinder tube is connected with the left pump housing, and the plunger in cylinder tube is connected with the cylinder piston in cylinder barrel; The pilot valve be made up of flower cover, needle and Returnning spring is housed respectively in the left pump housing and the right pump housing, and this pilot valve belongs to bi-bit bi-pass spring reset Mechanical course selector valve; The right pump housing is connected with two-position five-way double air controlled selector valve, and external air source communicates with air chamber left and right in cylinder barrel through this two-position five-way double air controlled selector valve., cannot meet the demands once this source of the gas, then air-driven hydraulic pump cannot work.
[summary of the invention]
The technical problems to be solved in the utility model is to provide without when driving source of the gas or drive bleed pressure to can not meet demand, can adopt manually operated plunger pneumatic liquid booster pump.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of plunger pneumatic liquid booster pump, comprises oil hydraulic cylinder, cylinder and man-operated mechanism, and oil hydraulic cylinder comprises hydraulic cylinder and plunger.Cylinder comprises front end housing, back cylinder cover, cylinder barrel, piston, piston rod and changement, and cylinder comprises piston reset spring, and Returnning spring is arranged between front end housing and piston; Man-operated mechanism comprises base, handle and depression bar, and base is fixed on after back cylinder cover; Base comprises strut kong, and depression bar and strut kong are slidably matched; The front end of depression bar withstands on the rear end of piston rod, one end of handle and base hinged, the middle part of handle is pressed in the rear end of depression bar.
Above-described plunger pneumatic liquid booster pump, man-operated mechanism comprises depression bar Returnning spring, and depression bar Returnning spring is enclosed within depression bar, and front end withstands on base, and rear end withstands in the bead of depression bar head.
Above-described plunger pneumatic liquid booster pump, handle is fork-shaped, and front end and the base in handle fork-shaped portion are hinged, and the rear portion in handle fork-shaped portion comprises a transverse axis, and the middle part of described transverse axis is pressed in the rear end of depression bar.
Above-described plunger pneumatic liquid booster pump, front end housing comprises the mounting hole of hydraulic cylinder, and hydraulic cylinder is arranged in the mounting hole of front end housing.
Above-described plunger pneumatic liquid booster pump, described changement comprises pilot valve, selector valve and pilot valve stage clip, and back cylinder cover comprises suction port, relief opening, guide's valve opening and commutation valve opening; Pilot valve is poppet valve, comprises flap and valve rod, and guide's valve opening is shoulder hole, comprises macropore, mesopore and aperture, and the macropore of pilot valve leads to relief opening; The flap of pilot valve stage clip and pilot valve is arranged in macropore, and pilot valve flap is pressed on mesopore opening valve seat by pilot valve stage clip, and valve rod is through mesopore and aperture, and valve rod exposes the front-end face of back cylinder cover, and valve rod and aperture are slidably matched; Selector valve is arranged in commutation valve opening, and the left end of commutation valve opening leads to suction port, and right-hand member leads to the mesopore of guide's valve opening; Selector valve is dumbbell-like shape, and the two ends of selector valve are slidably matched with commutation valve opening, and the annular groove in the middle part of selector valve is communicated with relief opening; Hole wall on the left of commutation valve opening comprises the via hole be communicated with cylinder back cavity, and during selector valve right lateral, via hole is communicated with suction port; During selector valve left lateral, the annular groove in the middle part of selector valve is communicated with via hole; The hole wall of the rod aperture of back cylinder cover comprises the inlet hole be communicated with described mesopore and the air outlet hole be communicated with suction port, the rear end of piston rod comprises groove, when the limit position that piston arrives moves ahead, the air outlet hole described in the groove on piston rod is communicated with and inlet hole.
Above-described plunger pneumatic liquid booster pump, piston is when rear limit by row position, and the pressurized air in suction port enters cylinder back cavity promotion piston from the via hole commutation valve opening hole wall and moves ahead, and piston moves ahead in process, and pilot valve is closed by pilot valve stage clip; Piston arrives move ahead limit position time, the air outlet hole described in the upper groove of piston rod is communicated with and inlet hole, the left end that pressurized air arrives commutation valve opening through described mesopore promotes selector valve left lateral; The annular groove crossed in the middle part of aperture selector valve on commutation valve opening hole wall is connected with relief opening, and under the effect of piston reset spring elastic force, the annular groove of the air in cylinder back cavity in the middle part of via hole, selector valve and relief opening are discharged, and go after piston; During the limit position of going after piston arrives, open pilot valve, the pressurized air of the left end of commutation valve opening promotes selector valve right lateral, and the air of selector valve right-hand member is discharged through guide's valve opening and relief opening; After selector valve right lateral, the pressurized air in suction port enters cylinder back cavity promotion piston from the via hole commutation valve opening hole wall and moves ahead, and enters next circulation.
Above-described plunger pneumatic liquid booster pump, commutation valve opening is right large left little shoulder hole.
Above-described plunger pneumatic liquid booster pump, described air outlet hole and inlet hole are the circular groove on the hole wall of stopper rod hole respectively, and the groove on piston rod is the circular groove on piston rod.
Above-described plunger pneumatic liquid booster pump, piston rod and plunger are structure as a whole.。
Plunger pneumatic liquid booster pump of the present utility model adopts two kinds of driving mode to drive, and without when driving source of the gas or drive bleed pressure to can not meet demand, manually operated mode can be adopted to complete hydraulic pressure and export.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the plan view of the utility model embodiment plunger pneumatic liquid booster pump.
Fig. 2 is that A in Fig. 1 is to sectional view.
Fig. 3 is the left view of the utility model embodiment plunger pneumatic liquid booster pump.
Fig. 4 is the partial enlarged drawing at I position in Fig. 3.
Fig. 5 is the sectional drawing of the utility model embodiment cylinder.
Fig. 6 is the sectional drawing of the utility model embodiment hydraulic cylinder.
[embodiment]
The utility model embodiment plunger 2 formula Pneumatic liquid supercharging pump structure as shown in Figures 1 to 6, comprises oil hydraulic cylinder 100, cylinder 200 and man-operated mechanism 300.
Oil hydraulic cylinder 100 comprises hydraulic cylinder 1, plunger 2.Plunger 2 and cylinder 200 piston rod 7 of oil hydraulic cylinder 100 are structure as a whole.
Cylinder 200 comprises cylinder barrel 3, front end housing 4, back cylinder cover 5, piston 6, piston rod 7, piston reset spring 8 and changement.Cylinder barrel 3, front end housing 4 and back cylinder cover 54 bolts 9 are combined into one.
Returnning spring 8 is arranged between front end housing 4 and piston 6.
There are the mounting hole of a hydraulic cylinder 1 in the central authorities of front end housing 4, and hydraulic cylinder 1 is fixed in the mounting hole of front end housing 4.
Man-operated mechanism 300 comprises base 10, handle 11, depression bar 12 and depression bar Returnning spring 13.
Base 10 is fixed on after back cylinder cover 5.Have the strut kong that coaxial with piston rod 7 in base 10, depression bar 12 and strut kong are slidably matched.The front end of depression bar 12 withstands on the rear end of piston rod 7, and handle 11 is fork-shaped, and front end and the base 10 in handle 11 fork-shaped portion are hinged, and there is a transverse axis 1101 at the rear portion in handle 11 fork-shaped portion, and the middle part of transverse axis 1101 is pressed in the rear end of depression bar 12.
Depression bar Returnning spring 13 is enclosed within depression bar 12, and front end withstands on base 10, and rear end withstands in the bead of depression bar 12 head, for depression bar 12 return.
Changement comprises pilot valve 13, selector valve 14 and pilot valve stage clip 15, and back cylinder cover 5 comprises suction port 16, relief opening, guide's valve opening and commutation valve opening.
Pilot valve 13 is poppet valve, comprises flap 1301 and valve rod 1302, and guide's valve opening is shoulder hole, comprises macropore 17, mesopore 18 and aperture successively, and the macropore 17 of pilot valve 13 leads to relief opening.
The flap 1301 of pilot valve stage clip 15 and pilot valve 13 is arranged in macropore 17, pilot valve 13 flap 1301 is pressed on mesopore 18 opening valve seat 1801 by pilot valve stage clip 15, valve rod 1302 is through mesopore 18 and aperture, when pilot valve is closed, valve rod 1302 exposes the front-end face of back cylinder cover 5, valve rod 1302 and aperture are slidably matched, and use rubber sealing.
Selector valve 14 is arranged in commutation valve opening, and commutation valve opening is right large left little shoulder hole, and the left end of commutation valve opening leads to suction port 16, and the right-hand member 19 of commutation valve opening leads to the mesopore 18 of guide's valve opening.
Selector valve 14 is right large left little dumbbell-like shape, and the two ends of selector valve 14 are slidably matched with the macropore of selector valve shoulder hole, aperture and seal respectively, and the annular groove 1401 in the middle part of selector valve 14 is communicated with relief opening.
Hole wall on the left of commutation valve opening has the via hole 20 be communicated with cylinder 200 back cavity 23, and during selector valve 14 right lateral, abdicate the space of via hole 20, via hole 20 is communicated with suction port 16.During selector valve 14 left lateral, the annular groove 1401 in the middle part of selector valve 14 is communicated with via hole 20.
The hole wall in piston rod 7 hole of back cylinder cover 5 has the inlet hole be communicated with mesopore 18 and the air outlet hole be communicated with suction port 16, air outlet hole is the circular groove 21 on one rod aperture hole wall, and inlet hole is the circular groove 22 on one rod aperture hole wall.There is the groove 701 of one annular the rear end of piston rod 7, and when piston 6 arrives the limit position moved ahead, air outlet hole 21 is communicated with inlet hole 22 by the groove 701 on piston rod 7.
Piston 6 is when rear limit by row position, and the pressurized air in suction port 16 enters cylinder 200 back cavity 23 from the via hole 20 commutation valve opening hole wall and promotes piston 6 and move ahead, and piston 6 moves ahead in process, and pilot valve 13 is closed by pilot valve stage clip 15.
When piston 6 arrives and moves ahead limit position, the upper groove 701 of piston rod 7 is communicated with air outlet hole 21 and inlet hole 22, and the top that the pressurized air in suction port 16 arrives selector valve 14 through the left end 19 that mesopore 18 arrives commutation valve opening promotes selector valve 14 left lateral.The annular groove 1401 of via hole 20 in the middle part of selector valve 14 on commutation valve opening hole wall is connected with relief opening.Under the effect of piston reset spring 8 elastic force, the annular groove 1401 of the air in cylinder 200 back cavity in the middle part of via hole 20, selector valve 14 is discharged from relief opening, and piston 6 is rear row under the effect of piston reset spring 8 elastic force.
When piston 6 arrives the limit position of rear row, open pilot valve 13, pressurized air that selector valve 14 left end is entered by suction port 16 promotes selector valve 14 right lateral, and the air that selector valve 14 right-hand member has is discharged through the mesopore 18 of pilot valve, macropore 17 and relief opening.After selector valve 14 right lateral, the pressurized air entered by suction port 16 promotes piston 6 from the back cavity 23 that the via hole 20 commutation valve opening hole wall enters cylinder 200 and moves ahead, and enters next circulation.
In the process of piston 6 front-rear reciprocation movement, piston rod 7 drives plunger 2 to do straight reciprocating motion; As shown in Figure 6, hydraulic cylinder 1 is equipped with fuel inlet ball check valve 24 and goes out oil return check valve 25, and when plunger 2 does straight reciprocating motion, each stroke sucks a low-pressure hydraulic oil by fuel inlet ball check valve 24, extrudes a high pressure liquid force feed by going out oil return check valve 25.
Plunger pneumatic liquid booster pump of the present utility model adopts two kinds of driving mode to drive, and without when driving source of the gas or drive bleed pressure to can not meet demand, manually operated mode can be adopted to complete hydraulic pressure and export.
Claims (9)
1. a plunger pneumatic liquid booster pump, comprises oil hydraulic cylinder and cylinder, and oil hydraulic cylinder comprises hydraulic cylinder and plunger; Cylinder comprises front end housing, back cylinder cover, cylinder barrel, piston, piston rod and changement, it is characterized in that, comprises man-operated mechanism, and cylinder comprises piston reset spring, and Returnning spring is arranged between front end housing and piston; Man-operated mechanism comprises base, handle and depression bar, and base is fixed on after back cylinder cover; Base comprises strut kong, and depression bar and strut kong are slidably matched; The front end of depression bar withstands on the rear end of piston rod, one end of handle and base hinged, the middle part of handle is pressed in the rear end of depression bar.
2. plunger pneumatic liquid booster pump according to claim 1, is characterized in that, man-operated mechanism comprises depression bar Returnning spring, and depression bar Returnning spring is enclosed within depression bar, and front end withstands on base, and rear end withstands in the bead of depression bar head.
3. plunger pneumatic liquid booster pump according to claim 1, is characterized in that, handle is fork-shaped, and front end and the base in handle fork-shaped portion are hinged, and the rear portion in handle fork-shaped portion comprises a transverse axis, and the middle part of described transverse axis is pressed in the rear end of depression bar.
4. plunger pneumatic liquid booster pump according to claim 1, is characterized in that, front end housing comprises the mounting hole of hydraulic cylinder, and hydraulic cylinder is arranged in the mounting hole of front end housing.
5. plunger pneumatic liquid booster pump according to claim 1, is characterized in that, described changement comprises pilot valve, selector valve and pilot valve stage clip, and back cylinder cover comprises suction port, relief opening, guide's valve opening and commutation valve opening; Pilot valve is poppet valve, comprises flap and valve rod, and guide's valve opening is shoulder hole, comprises macropore, mesopore and aperture, and the macropore of pilot valve leads to relief opening; The flap of pilot valve stage clip and pilot valve is arranged in macropore, and pilot valve flap is pressed on mesopore opening valve seat by pilot valve stage clip, and valve rod is through mesopore and aperture, and valve rod exposes the front-end face of back cylinder cover, and valve rod and aperture are slidably matched; Selector valve is arranged in commutation valve opening, and the left end of commutation valve opening leads to suction port, and right-hand member leads to the mesopore of guide's valve opening; Selector valve is dumbbell-like shape, and the two ends of selector valve are slidably matched with commutation valve opening, and the annular groove in the middle part of selector valve is communicated with relief opening; Hole wall on the left of commutation valve opening comprises the via hole be communicated with cylinder back cavity, and during selector valve right lateral, via hole is communicated with suction port; During selector valve left lateral, the annular groove in the middle part of selector valve is communicated with via hole; The hole wall of the rod aperture of back cylinder cover comprises the inlet hole be communicated with described mesopore and the air outlet hole be communicated with suction port, the rear end of piston rod comprises groove, when the limit position that piston arrives moves ahead, the air outlet hole described in the groove on piston rod is communicated with and inlet hole.
6. plunger pneumatic liquid booster pump according to claim 5, it is characterized in that, piston is when rear limit by row position, and the pressurized air in suction port enters cylinder back cavity promotion piston from the via hole commutation valve opening hole wall and moves ahead, piston moves ahead in process, and pilot valve is closed by pilot valve stage clip; Piston arrives move ahead limit position time, the air outlet hole described in the upper groove of piston rod is communicated with and inlet hole, the left end that pressurized air arrives commutation valve opening through described mesopore promotes selector valve left lateral; The annular groove crossed in the middle part of aperture selector valve on commutation valve opening hole wall is connected with relief opening, and under the effect of piston reset spring elastic force, the annular groove of the air in cylinder back cavity in the middle part of via hole, selector valve and relief opening are discharged, and go after piston; During the limit position of going after piston arrives, open pilot valve, the pressurized air of the left end of commutation valve opening promotes selector valve right lateral, and the air of selector valve right-hand member is discharged through guide's valve opening and relief opening; After selector valve right lateral, the pressurized air in suction port enters cylinder back cavity promotion piston from the via hole commutation valve opening hole wall and moves ahead, and enters next circulation.
7. plunger pneumatic liquid booster pump according to claim 5, is characterized in that, commutation valve opening is right large left little shoulder hole.
8. plunger pneumatic liquid booster pump according to claim 5, is characterized in that, described air outlet hole and inlet hole are the circular groove on the hole wall of stopper rod hole respectively, and the groove on piston rod is the circular groove on piston rod.
9. plunger pneumatic liquid booster pump according to claim 1, is characterized in that, piston rod and plunger are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760355.6U CN204327429U (en) | 2014-12-05 | 2014-12-05 | A kind of plunger pneumatic liquid booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760355.6U CN204327429U (en) | 2014-12-05 | 2014-12-05 | A kind of plunger pneumatic liquid booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327429U true CN204327429U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420760355.6U Expired - Fee Related CN204327429U (en) | 2014-12-05 | 2014-12-05 | A kind of plunger pneumatic liquid booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630372A (en) * | 2019-01-31 | 2019-04-16 | 浙江易普液压设备有限公司 | A kind of novel ultrahigh pressure type pilot hydraulic hand pump |
| CN110189888A (en) * | 2019-05-23 | 2019-08-30 | 洪文敬 | A kind of tractive transformer |
-
2014
- 2014-12-05 CN CN201420760355.6U patent/CN204327429U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630372A (en) * | 2019-01-31 | 2019-04-16 | 浙江易普液压设备有限公司 | A kind of novel ultrahigh pressure type pilot hydraulic hand pump |
| CN109630372B (en) * | 2019-01-31 | 2024-01-19 | 浙江易普液压设备有限公司 | Novel ultrahigh-pressure pilot-operated hydraulic manual pump |
| CN110189888A (en) * | 2019-05-23 | 2019-08-30 | 洪文敬 | A kind of tractive transformer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191205 |