CN212337624U - Vane pump with liquid control reversing valve - Google Patents
Vane pump with liquid control reversing valve Download PDFInfo
- Publication number
- CN212337624U CN212337624U CN202020373277.XU CN202020373277U CN212337624U CN 212337624 U CN212337624 U CN 212337624U CN 202020373277 U CN202020373277 U CN 202020373277U CN 212337624 U CN212337624 U CN 212337624U
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- valve rod
- pump body
- valve
- oil groove
- pump
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Abstract
The utility model belongs to the hydraulic component in the machinery trade, in particular to take impeller pump of liquid accuse switching-over valve. The oil pump comprises a pump body and is characterized in that a first oil outlet and a second oil outlet are arranged on one side face of the pump body, a first pump body oil groove, a second pump body oil groove and a third pump body oil groove are arranged on the other opposite side face of the pump body, a step-type valve rod is arranged in a valve rod hole, the diameter of the valve rod middle cylindrical section is smaller than that of the valve rod cylindrical sections on the two sides, a valve plug is arranged in the valve rod hole at the left end of the valve rod, a valve plug separation blade for the valve plug is limited and fixed, a spring is arranged between the right side face of the valve plug and the left end face of the valve rod, the valve rod cylindrical section in the middle of the valve rod corresponds to a valve hole and an oil return hole in the space of the valve rod hole, an oil outlet is arranged on a sealing plate corresponding to the first pump body oil groove. The vane pump has compact structure, convenient installation and use and reliable performance.
Description
Technical Field
The utility model belongs to the hydraulic component in the machinery trade, in particular to take impeller pump of liquid accuse switching-over valve.
Background
The present double-acting vane pump has compact structure and low noise, and is used widely in automobile steering system and gear box system. As a fixed displacement pump, the rotating speed of the oil pump is in direct proportion to the rotating speed of the engine, so that the output oil quantity of the oil pump is in direct proportion to the rotating speed of the engine, obviously, when the rotating speed of the engine is too high, the output oil quantity of the oil pump is larger than the oil quantity required by the system, and great waste is caused.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned technique not enough, provide a simple structure, control oil mass accuracy, save the cost take the impeller pump of liquid accuse switching-over valve.
The utility model provides a technical scheme that technical problem adopted is: the vane pump with the hydraulic control reversing valve comprises a pump body, a pump cover and a sealing plate, and is characterized in that: the oil pump comprises a pump body, a pump body oil groove I, a pump body oil groove II and a pump body oil groove III, wherein the side face of the pump body opposite to the side face of the pump body is provided with the oil discharge port I and the oil discharge port II, a hydraulic control reversing valve is arranged between the pump body oil groove I and the pump body oil groove II, the hydraulic control reversing valve is a valve rod hole which is horizontally communicated with a valve hole and an oil return hole in the pump body and is arranged in the pump body, a step-type valve rod is arranged in the valve rod hole, the diameter of the valve rod cylinder section III in the middle of the valve rod is smaller than that of the valve rod cylinder section I and the valve rod cylinder section II on two sides, a round boss is arranged at the right end of the valve rod, a valve plug is arranged in the valve rod hole at the left end of the valve rod, the valve plug is limited and fixed by a valve plug separation blade, a spring is arranged between the right side face of the valve plug and the left end face of, an oil outlet is arranged on the sealing plate corresponding to the first pump body oil groove, and a sealing plate oil groove is arranged on the sealing plate corresponding to the third pump body oil groove.
The utility model has the advantages that: the vane pump with the hydraulic control reversing valve integrates the reversing valve into a double-acting oil pump, and controls the oil flow direction of two oil pressing areas of the oil pump, so that the output oil is reasonably utilized, and the energy consumption loss of driving the oil pump is reduced. The vane pump has compact structure, convenient installation and use and reliable performance.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
Fig. 1 is a view showing an external structure of a vane pump having a fluid control direction changing valve.
Fig. 2 is a rear view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a view showing an opened state of the valve stem of fig. 3.
Fig. 5 is a view of fig. 2 with the seal plate removed.
In the figure, 1-pump body; 1-1-valve orifice; 1-2-pump body oil groove I; 1-3-pump body oil groove two; 1-4-pump body oil groove III; 1-5-oil discharge port I; 1-6-oil drain outlet II; 1-7-oil return holes; 1-8-valve stem bore; 2-sealing a plate; 2-1-oil outlet; 2-2-sealing the plate oil groove; 3-a valve stem; 3-1-a first cylindrical section of the valve rod; 3-2-a valve rod cylindrical section II; 3-3-a valve rod cylinder section III; 4-a spring; 5-valve blockage; 6-blocking a blocking piece by a valve; 7-pump cover.
Detailed Description
In the embodiment, referring to the attached figures 1-5, the vane pump with the hydraulic control reversing valve is characterized in that one side face of a pump body 1 is provided with a first oil outlet 1-5 and a second oil outlet 1-6, the other opposite side face of the pump body 1 is provided with a first pump body oil groove 1-2, a second pump body oil groove 1-3 and a fourth pump body oil groove 1-4, and the hydraulic control reversing valve is arranged between the first pump body oil groove 1-2 and the second pump body oil groove 1-3. The hydraulic control reversing valve is characterized in that a valve rod hole 1-8 which is horizontally communicated with a valve hole 1-1 and an oil return hole 1-7 which are arranged in a pump body 1 is arranged in the pump body 1, a step type valve rod 3 is arranged in the valve rod hole 1-8, the diameter of a valve rod cylindrical section three 3-3 in the middle of the valve rod 3 is smaller than that of a valve rod cylindrical section one 3-1 and a valve rod cylindrical section two 3-2 which are arranged on two sides, and the valve rod cylindrical section one 3-1 and the valve rod cylindrical section two 3-2 are in sliding fit with the valve rod hole 1-8. The right end of the valve rod 3 is provided with a round boss, a valve plug 5 is arranged in a valve rod hole 1-8 at the left end of the valve rod 3, the valve plug 5 is limited and fixed by a valve plug baffle 6, and a spring 4 is arranged between the side surface of the valve plug 5 and the left end surface of the valve rod 3. The space between the cylindrical section three 3-3 of the valve rod in the middle of the valve rod 3 and the valve rod hole 1-8 corresponds to the valve hole 1-1 and the oil return hole 1-7. The sealing plate 2 is arranged on the pump body 1 outside the pump body oil grooves I1-2, the pump body oil grooves II 1-3 and the pump body oil grooves III 1-4, the oil outlets 2-1 are arranged on the sealing plate 2 corresponding to the pump body oil grooves I1-2, and the sealing plate 2 is arranged on the sealing plate 2 corresponding to the pump body oil grooves III 1-4. A pump cover 7 is fixed above the pump body 1.
The utility model discloses a theory of operation is: the first oil discharge port 1-5 of the vane pump with the hydraulic control reversing valve is communicated with the second pump body oil groove 1-3, the second oil discharge port 1-6 is communicated with the first pump body oil groove 1-2, and when the valve rod 3 is positioned at the rightmost end position, oil liquid of the second pump body oil groove 1-3 is combined with oil liquid of the first pump body oil groove 1-2 through the valve hole 1-1, and flows out of the oil outlet 2-1 to supply oil to a system. When the valve rod 3 is positioned at the leftmost end, the oil in the first pump body oil groove 1-2 still flows out through the oil outlet 2-1, the oil in the second pump body oil groove 1-3 flows back to the cavity of the pump body 1 through the valve hole 1-1 and the oil return holes 1-7, and the movement of the valve rod 3 is controlled by the pressure of the oil input into the third pump body oil groove 1-4.
Claims (3)
1. The utility model provides a take impeller pump of hydraulic control switching-over valve, includes the pump body (1), pump cover (7), closing plate (2), its characterized in that: one side face of the pump body (1) is provided with a first oil outlet (1-5) and a second oil outlet (1-6), the other opposite side face of the pump body (1) is provided with a first pump body oil groove (1-2), a second pump body oil groove (1-3) and a third pump body oil groove (1-4), a hydraulic control reversing valve is arranged between the first pump body oil groove (1-2) and the second pump body oil groove (1-3), the hydraulic control reversing valve is a valve rod hole (1-8) which is horizontally communicated with a valve hole (1-1) and an oil return hole (1-7) which are arranged in the pump body (1), a step-table type valve rod (3) is arranged in the valve rod hole (1-8), a valve rod plug (5) is arranged in the valve rod hole (1-8) at the left end of the valve rod (3), and the valve plug (5) is limited and fixed by a valve plug separation blade (6), a spring (4) is arranged between the right side face of the valve plug (5) and the left end face of the valve rod (3), a valve rod cylindrical section III (3-3) in the middle of the valve rod (3) corresponds to the valve hole (1-1) and the oil return hole (1-7) with the space of the valve rod hole (1-8), and a sealing plate (2) is arranged on the pump body (1) outside the pump body oil groove I (1-2), the pump body oil groove II (1-3) and the pump body oil groove III (1-4).
2. The vane pump with the liquid control reversing valve according to claim 1, characterized in that the diameter of the valve rod cylinder section three (3-3) in the middle of the valve rod (3) is smaller than that of the valve rod cylinder section one (3-1) and the valve rod cylinder section two (3-2) on both sides, and a circular boss is arranged at the right end of the valve rod (3).
3. The vane pump with the hydraulically controlled reversing valve according to claim 1, characterized in that the seal plate (2) is provided with an oil outlet (2-1) corresponding to the pump body oil groove one (1-2), and the seal plate (2) is provided with a seal plate oil groove (2-2) corresponding to the pump body oil groove three (1-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020373277.XU CN212337624U (en) | 2020-03-23 | 2020-03-23 | Vane pump with liquid control reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020373277.XU CN212337624U (en) | 2020-03-23 | 2020-03-23 | Vane pump with liquid control reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212337624U true CN212337624U (en) | 2021-01-12 |
Family
ID=74085974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020373277.XU Active CN212337624U (en) | 2020-03-23 | 2020-03-23 | Vane pump with liquid control reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212337624U (en) |
-
2020
- 2020-03-23 CN CN202020373277.XU patent/CN212337624U/en active Active
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