CN202991382U - Manual high-low pressure pump - Google Patents
Manual high-low pressure pump Download PDFInfo
- Publication number
- CN202991382U CN202991382U CN 201220695670 CN201220695670U CN202991382U CN 202991382 U CN202991382 U CN 202991382U CN 201220695670 CN201220695670 CN 201220695670 CN 201220695670 U CN201220695670 U CN 201220695670U CN 202991382 U CN202991382 U CN 202991382U
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- low
- low pressure
- piston
- pressure
- drain pipe
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Abstract
The utility model relates to a hydraulic pump, in particular to a manual high-low pressure pump which solves the problems that the existing hydraulic pump for filling a single prop with a liquid is low in liquid filling speed and low in efficiency. The manual high-low pressure pump comprises a siamesed oil cylinder (1) that is integrally formed by a high pressure chamber (12) and a low pressure chamber (11), wherein cross-sectional areas of the high pressure chamber (12) and the low pressure chamber (11) are different; a siamesed piston is arranged in the siamesed oil cylinder (1), and comprises a high pressure piston (21) matched with the high pressure chamber (12), a low pressure piston (22) matched with the low pressure chamber (11), and a connecting rod (23) connected between the high pressure piston (21) and the low pressure piston (22); and the bottoms of the high pressure chamber and the low pressure chamber are connected with an oil tank (10) by a high pressure liquid inlet pipe (3) and a low pressure liquid inlet pipe (4). The manual high-low pressure pump is reasonable in design and simple in structure. Compared with the universal hydraulic pump, the manual high-low pressure pump is high in speed and high in efficiency when the manual high-low pressure pump fills the single prop in a low-pressure or non-pressure state with the liquid.
Description
Technical field
The utility model relates to oil hydraulic pump, is specially a kind of manual high-low pump.
Background technique
In mine, often to use hydraulic single prop, when existing oil hydraulic pump was the individual prop topping up, no matter individual prop had non-loadedly, and the speed of topping up is all certain, because oil hydraulic pump only has a cavity, inefficiency.
Therefore, be necessary to invent a kind of novel oil hydraulic pump of individual prop topping up that is.
Summary of the invention
Existing oil hydraulic pump topping up speed for the individual prop topping up is slow, inefficient problem in order to solve for the utility model, and a kind of manual high-low pump is provided.
The utility model is to adopt following technological scheme to realize:
A kind of manual high-low pump, comprise and comprise the long-pending hyperbaric chamber of varying cross-section and the integrally formed integrated oil cylinders of two cavitys of low-pressure cavity (cavity that cross-section area is large is low-pressure cavity, the cavity that cross-section area is little is hyperbaric chamber), be provided with the disjunctor piston in described integrated oil cylinders, described disjunctor piston comprise high pressure piston, the low pressure piston that coordinates with low-pressure cavity that coordinates with hyperbaric chamber and be connected in high pressure piston and low pressure piston between connecting rod; Described hyperbaric chamber is connected the bottom and is connected with fuel tank with the low pressure liquid inlet pipe by the high pressure liquid inlet pipe respectively with low-pressure cavity, be separately installed with on described high pressure liquid inlet pipe and low pressure liquid inlet pipe by fuel tank first and second one-way valve towards the integrated oil cylinders direction; The bottom of described hyperbaric chamber and low-pressure cavity also is connected with respectively high pressure drain pipe and low pressure drain pipe, described high pressure drain pipe and low pressure drain pipe converge rear formation liquid outlet P, are separately installed with third and fourth one-way valve that is led to liquid outlet P direction by integrated oil cylinders on high pressure drain pipe and low pressure drain pipe; Pipeline on described low pressure drain pipe between low-pressure cavity and the 4th one-way valve is connected with the suction tude that switch is installed; The handle that is externally connected to drive disjunctor piston movement of described disjunctor piston.
During work, when individual prop is in no-load condition, close the switch 8 of suction tude 7, lift handle 9, high and low pressure chamber 11,12 in integrated oil cylinders 1 is under the effect of disjunctor piston, simultaneously respectively by high and low pressure liquid inlet pipe 3,4 inhalant liquid force feed from fuel tank 10; Then press down handle 9, the hydraulic oil in the high and low pressure chamber 11,12 in integrated oil cylinders 1 is transported to liquid outlet P by high and low pressure drain pipe 5,6 respectively simultaneously under the effect of disjunctor piston, hydraulic oil is filled in individual prop.
When individual prop is in load condition, open the switch 8 of suction tude 7, lift handle 9, the hyperbaric chamber 12 in integrated oil cylinders 1 is under the effect of disjunctor piston, and by high pressure liquid inlet pipe 3 inhalant liquid force feed from fuel tank 10, low-pressure cavity 11 is by suction tude 7 air amounts; Then press down handle 9, the hydraulic oil in the hyperbaric chamber 12 in integrated oil cylinders 1 is transported to liquid outlet P by high pressure drain pipe 5 under the effect of disjunctor piston, and the air in low-pressure cavity 11 is discharged by suction tude 7 again, thereby hydraulic oil is filled in individual prop.
The utility model is compared with general oil hydraulic pump, and when giving the individual prop topping up under being in low pressure or passive state, simultaneously for individual prop carries out topping up, so speed is fast, efficient is high due to hyperbaric chamber and low-pressure cavity; When giving the individual prop topping up under being in high pressure conditions, be only that individual prop carries out topping up by hyperbaric chamber, so supercharging pressure is high, satisfy actual requirement fully.
The utility model is reasonable in design, simple in structure, has solved that existing oil hydraulic pump topping up speed for the individual prop topping up is slow, inefficient problem.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1-integrated oil cylinders, 3-high pressure liquid inlet pipe, 4-low pressure liquid inlet pipe, 5-high pressure drain pipe, 6-low pressure drain pipe, 7-suction tude, the 8-switch, 9-handle, 10-fuel tank, the 11-low-pressure cavity, 12-hyperbaric chamber, 21-high pressure piston, the 22-low pressure piston, 23-connecting rod, 31-the first one-way valve, 41-the second one-way valve, 51-the 3rd one-way valve, 61-the 4th one-way valve.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Figure 1, a kind of manual high-low pump, comprise and comprise varying cross-section long-pending hyperbaric chamber 12 and the integrally formed integrated oil cylinders 1 of 11 two cavitys of low-pressure cavity, be provided with the disjunctor piston in described integrated oil cylinders 1, described disjunctor piston comprise high pressure piston 21, the low pressure piston 22 that coordinates with low-pressure cavity 11 that coordinates with hyperbaric chamber 12 and be connected in high pressure piston 21 and low pressure piston 22 between connecting rod 23; Being connected with the low pressure liquid inlet pipe and being connected with fuel tank 10 by high pressure liquid inlet pipe 3 respectively in the bottom that described hyperbaric chamber 12 is connected with low-pressure cavity, is separately installed with on described high pressure liquid inlet pipe 3 and low pressure liquid inlet pipe 4 by fuel tank 10 first and second one- way valve 31,41 towards integrated oil cylinders 1 direction; The bottom of described hyperbaric chamber 12 and low-pressure cavity 11 also is connected with respectively high pressure drain pipe 5 and low pressure drain pipe 6, described high pressure drain pipe 5 and low pressure drain pipe 6 converge rear formation liquid outlet P, are separately installed with on high pressure drain pipe 5 and low pressure drain pipe 6 by integrated oil cylinders 1 to lead to third and fourth one- way valve 51,61 of liquid outlet P direction; Pipeline on described low pressure drain pipe 6 between low-pressure cavity 11 and the 4th one-way valve 61 is connected with the suction tude 7 that switch 8 is installed; Being externally connected to of described disjunctor piston 2 drives the handle 9 that disjunctor piston 2 moves.
During concrete enforcement, handle 9 can be designed to, and an end points of handle 9 is fixed, and drives disjunctor piston 2 in the interior motion of integrated oil cylinders 1, as shown in Figure 1 according to lever principle.The cross-section area of described low-pressure cavity 11 and hyperbaric chamber 12 in people's strength scope, more is conducive to manually-operable than for 10:3.
Described high pressure piston 21, low pressure piston 22 and connecting rod 23 can one consist of the disjunctor piston.
During work, when individual prop is in no-load condition, close the switch 8 of suction tude 7, lift handle 9, high and low pressure chamber 11,12 in integrated oil cylinders 1 under the effect of disjunctor piston, simultaneously respectively by high and low pressure liquid inlet pipe 3,4 from fuel tank 10 the inhalant liquid force feed (first and second one- way valve 31,41 is opened; Third and fourth one- way valve 51,61 is closed); Then press down handle 9, the hydraulic oil in the high and low pressure chamber 11,12 in integrated oil cylinders 1 is transported to first and second one- way valve 31,41 of liquid outlet P(by high and low pressure drain pipe 5,6 respectively simultaneously and closes under the effect of disjunctor piston; Third and fourth one- way valve 51,61 is opened), hydraulic oil is filled in individual prop.
When individual prop is in load condition, open the switch 8 of suction tude 7, lift handle 9, hyperbaric chamber 12 in integrated oil cylinders 1 is under the effect of disjunctor piston, by high pressure liquid inlet pipe 3 from fuel tank 10 the inhalant liquid force feed (the first one-way valve 31 is opened, second and third, four one- way valves 41,51,61 close), low-pressure cavity 11 is by suction tude 7 air amounts; Then press down handle 9, hydraulic oil in hyperbaric chamber 12 in integrated oil cylinders 1 is under the effect of disjunctor piston, being transported to liquid outlet P(the 3rd one-way valve 51 by high pressure drain pipe 5 opens, first and second, four one- way valves 31,41,61 close), air in low-pressure cavity 11 is discharged by suction tude 7 again, thereby hydraulic oil is filled in individual prop.
Claims (2)
1. manual high-low pump, it is characterized in that: comprise comprising varying cross-section long-pending hyperbaric chamber (12) and (11) two integrated oil cylinders that cavity is integrally formed of low-pressure cavity (1), described integrated oil cylinders is provided with the disjunctor piston in (1), described disjunctor piston comprise high pressure piston (21), the low pressure piston (22) that coordinates with low-pressure cavity (11) that coordinates with hyperbaric chamber (12) and be connected in high pressure piston (21) and low pressure piston (22) between connecting rod (23); Described hyperbaric chamber (12) is connected 11 with low-pressure cavity) the bottom be connected 4 with the low pressure liquid inlet pipe by high pressure liquid inlet pipe (3) respectively) be connected with fuel tank (10), be separately installed with on described high pressure liquid inlet pipe (3) and low pressure liquid inlet pipe (4) by fuel tank (10) first and second one-way valve (31,41) towards integrated oil cylinders (1) direction; The bottom of described hyperbaric chamber (12) and low-pressure cavity (11) also is connected with respectively high pressure drain pipe (5) and low pressure drain pipe (6), described high pressure drain pipe (5) and low pressure drain pipe (6) converge rear formation liquid outlet P, are separately installed with third and fourth one-way valve (51,61) that is led to liquid outlet P direction by integrated oil cylinders (1) on high pressure drain pipe (5) and low pressure drain pipe (6); The pipeline that is positioned on described low pressure drain pipe (6) between low-pressure cavity (11) and the 4th one-way valve (61) is connected with the suction tude that switch (8) are installed (7); Being externally connected to of described disjunctor piston (2) drives the handle (9) that disjunctor piston (2) moves.
2. manual high-low pump according to claim 1 is characterized in that: the cross-section area of described low-pressure cavity (11) and hyperbaric chamber (12) is than being 10:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695670 CN202991382U (en) | 2012-12-17 | 2012-12-17 | Manual high-low pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695670 CN202991382U (en) | 2012-12-17 | 2012-12-17 | Manual high-low pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991382U true CN202991382U (en) | 2013-06-12 |
Family
ID=48562568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695670 Expired - Fee Related CN202991382U (en) | 2012-12-17 | 2012-12-17 | Manual high-low pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991382U (en) |
-
2012
- 2012-12-17 CN CN 201220695670 patent/CN202991382U/en not_active Expired - Fee Related
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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: 20130612 Termination date: 20161217 |