CN211202276U - Integrated oil suction and discharge device for metering pump - Google Patents
Integrated oil suction and discharge device for metering pump Download PDFInfo
- Publication number
- CN211202276U CN211202276U CN201922114532.9U CN201922114532U CN211202276U CN 211202276 U CN211202276 U CN 211202276U CN 201922114532 U CN201922114532 U CN 201922114532U CN 211202276 U CN211202276 U CN 211202276U
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- safety valve
- oil suction
- oil
- metering pump
- adjusting rod
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Abstract
The utility model discloses an integrated oil suction and discharge device of a metering pump, which relates to the field of hydraulic pumps and comprises a hydraulic oil tank, wherein a safety valve spool is arranged in the hydraulic oil tank, the inner part of the safety valve spool is movably connected with an oil suction valve spool, the outer surface of the oil suction valve spool is sleeved with an oil suction valve spring for generating a pre-pressing force, the lower end surface of the oil suction valve spring is contacted with the upper end surface of the safety valve spool, the outer surface of the safety valve spool is sleeved with a safety valve spring for generating the pre-pressing force, the inner part of the safety valve spring, which is far away from one end of the safety valve spool, is provided with a safety valve adjusting rod for adjusting action, and the integrated oil suction and discharge device also comprises a thread which is arranged on the outer surface of the hydraulic oil tank, which is, the maintenance is convenient, the external pipeline is eliminated, and the reliability is higher.
Description
Technical Field
The utility model relates to a hydraulic pump field, in particular to measuring pump integral type oil suction and discharge device.
Background
The existing hydraulic diaphragm metering pumps are all provided with a hydraulic oil tank, an oil suction valve and a safety valve on a pump body. The connection of the hydraulic diaphragm metering pump and the hydraulic diaphragm metering pump is realized by connecting an oil way by a peripheral pipeline, so that the hydraulic diaphragm metering pump is large in size and inconvenient to overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a measuring pump is small, convenient to detach, overhauls convenient and measuring pump integral type oil suction and discharge device that the reliability is high.
The utility model provides a technical scheme that its technical problem adopted is: the metering pump integrated oil sucking and discharging device comprises a hydraulic oil tank, a safety valve spool is arranged in the hydraulic oil tank, an oil sucking spool is movably connected inside the safety valve spool, an oil sucking valve spring for generating a pre-pressing force is sleeved on the outer surface of the oil sucking spool, the lower end face of the oil sucking valve spring is in contact with the upper end face of the safety valve spool, a safety valve spring for generating a pre-pressing force is sleeved on the outer surface of the safety valve spool, a safety valve adjusting rod for adjusting is arranged inside one end, away from the safety valve spool, of the safety valve spring, the safety valve spring is arranged between the safety valve spool and the safety valve adjusting rod, the metering pump integrated oil sucking and discharging device further comprises a thread which is arranged on the outer surface of one end, away from the safety valve adjusting rod, of the hydraulic oil tank and, the safety valve spring is used for rebounding the safety valve core when the safety valve core has no external acting force in the pre-compression direction, the safety valve adjusting rod is used for adjusting the flow of the safety valve, and the thread is used for detachably connecting the metering pump with the oil suction and discharge device.
Further, the method comprises the following steps: the outer surface of one end, far away from the safety valve core, of the oil suction valve core is sleeved with a first locking nut used for limiting the position of an oil suction valve spring, the lower end face of the first locking nut is in contact with the upper end face of the oil suction valve spring, and the first locking nut is used for limiting the position of the oil suction valve spring, so that the oil suction valve spring generates a pre-pressing force under the action of an external force.
Further, the method comprises the following steps: the outer surface cover of relief valve adjusting lever is equipped with the second lock nut that is used for restricting the relief valve adjusting lever position, second lock nut is located hydraulic tank's top, second lock nut is used for restricting the position of relief valve adjusting lever for when the flow of relief valve need be adjusted, it can realize to twist the relief valve adjusting lever soon.
Further, the method comprises the following steps: the outer surface cover of relief valve regulation pole is equipped with the bearing seal of sealed effect, the bearing seal sets up the below at second lock nut, the bearing seal plays sealed effect to hydraulic tank for be in certain pressure in the hydraulic tank, prevent overflowing of material and the infiltration of impurity.
Further, the method comprises the following steps: and an oil supplementing port for supplementing oil is arranged on one side of the safety valve adjusting rod on the hydraulic oil tank, and the oil supplementing port is used for supplementing oil.
The utility model has the advantages that: the utility model discloses reduced the volume of measuring pump, saved the material, the cost is reduced, the utility model discloses convenient to detach for it is convenient to overhaul, has eliminated the outside pipeline, and the reliability is higher.
Drawings
FIG. 1 is a schematic structural view of an integrated oil suction and discharge device of a metering pump;
labeled as: 1. a hydraulic oil tank; 2. a safety valve core; 3. an oil suction valve core; 4. an oil suction valve spring; 5. a safety valve spring; 6. a safety valve adjusting rod; 7. a thread; 8. a first lock nut; 9. a second lock nut; 10. shaft sealing; 11. and an oil supplementing port.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The metering pump integrated oil suction and discharge device as shown in fig. 1 comprises a hydraulic oil tank 1, a safety valve spool 2 is arranged in the hydraulic oil tank 1, an oil suction valve spool 3 is movably connected inside the safety valve spool 2, an oil suction valve spring 4 for generating a pre-pressing force is sleeved on the outer surface of the oil suction valve spool 3, the lower end surface of the oil suction valve spring 4 is in contact with the upper end surface of the safety valve spool 2, a safety valve spring 5 for generating a pre-pressing force is sleeved on the outer surface of the safety valve spool 2, a safety valve adjusting rod 6 for adjusting is arranged inside one end, away from the safety valve spool 2, of the safety valve spring 5, the safety valve spring 5 is arranged between the safety valve spool 2 and the safety valve adjusting rod 6, and a thread 7 is arranged on the outer surface of one end, away, the oil suction valve spring 4 is used for rebounding the oil suction valve core 3 when the oil suction valve core 3 has no external acting force in the pre-compression force direction, the safety valve spring 5 is used for rebounding the safety valve core 2 when the safety valve core 2 has no external acting force in the pre-compression force direction, the safety valve adjusting rod 6 is used for adjusting the flow of the safety valve, and the thread 7 is used for detachably connecting the metering pump with the oil suction and discharge device.
On the basis, the outer surface of one end, away from the safety valve element 2, of the oil suction valve element 3 is sleeved with a first locking nut 8 for limiting the position of the oil suction valve spring 4, the lower end face of the first locking nut 8 is in contact with the upper end face of the oil suction valve spring 4, and the first locking nut 8 is used for limiting the position of the oil suction valve spring 4, so that the oil suction valve spring 4 generates a pre-pressing force under the action of an external force.
On the basis, the outer surface of the safety valve adjusting rod 6 is sleeved with a second locking nut 9 used for limiting the position of the safety valve adjusting rod 6, the second locking nut 9 is located above the hydraulic oil tank 1, and the second locking nut 9 is used for limiting the position of the safety valve adjusting rod 6, so that when the flow of the safety valve needs to be adjusted, the safety valve adjusting rod 6 can be screwed only by screwing.
On the basis, the outer surface of the safety valve adjusting rod 6 is sleeved with a shaft seal 10 with a sealing effect, the shaft seal 10 is arranged below the second locking nut 9, and the shaft seal 10 has a sealing effect on the hydraulic oil tank, so that the hydraulic oil tank is under a certain pressure, and materials are prevented from overflowing and impurities are prevented from permeating.
On the basis, an oil supplementing port 11 for supplementing oil is arranged on one side, located on the safety valve adjusting rod 6, of the hydraulic oil tank 1, and the oil supplementing port is used for supplementing oil.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. Metering pump integral type oil suction and discharge device, including hydraulic tank (1), its characterized in that: a safety valve core (2) is arranged in the hydraulic oil tank (1), an oil absorption valve core (3) is movably connected inside the safety valve core (2), an oil suction valve spring (4) used for generating a pre-pressing force is sleeved on the outer surface of the oil suction valve core (3), the lower end surface of the oil suction valve spring (4) is contacted with the upper end surface of the safety valve core (2), the outer surface of the safety valve core (2) is sleeved with a safety valve spring (5) generating a pre-pressing force, a safety valve adjusting rod (6) for adjusting is arranged in the safety valve spring (5) far away from one end of the safety valve core (2), the safety valve spring (5) is arranged between the safety valve spool (2) and the safety valve adjusting rod (6), and further comprises a thread (7) which is arranged on the outer surface of one end, away from the safety valve adjusting rod (6), of the hydraulic oil tank (1) and is used for being connected with the metering pump.
2. The integrated oil suction and discharge device of a metering pump according to claim 1, characterized in that: the outer surface of one end, far away from the safety valve core (2), of the oil suction valve core (3) is sleeved with a first locking nut (8) used for limiting the position of the oil suction valve spring (4), and the lower end face of the first locking nut (8) is in contact with the upper end face of the oil suction valve spring (4).
3. The integrated oil suction and discharge device of a metering pump according to claim 1, characterized in that: the outer surface of the safety valve adjusting rod (6) is sleeved with a second locking nut (9) used for limiting the position of the safety valve adjusting rod (6), and the second locking nut (9) is located above the hydraulic oil tank (1).
4. The integrated oil suction and discharge device of a metering pump according to claim 1, characterized in that: the outer surface of the safety valve adjusting rod (6) is sleeved with a shaft seal (10) with a sealing effect, and the shaft seal (10) is arranged below the second locking nut (9).
5. The integrated oil suction and discharge device of a metering pump according to claim 1, characterized in that: and an oil supplementing port (11) for supplementing oil is arranged on one side of the safety valve adjusting rod (6) on the hydraulic oil tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114532.9U CN211202276U (en) | 2019-11-29 | 2019-11-29 | Integrated oil suction and discharge device for metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114532.9U CN211202276U (en) | 2019-11-29 | 2019-11-29 | Integrated oil suction and discharge device for metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202276U true CN211202276U (en) | 2020-08-07 |
Family
ID=71850798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114532.9U Active CN211202276U (en) | 2019-11-29 | 2019-11-29 | Integrated oil suction and discharge device for metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202276U (en) |
-
2019
- 2019-11-29 CN CN201922114532.9U patent/CN211202276U/en active Active
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