CN212029127U - Novel electric lubricating oil pump - Google Patents
Novel electric lubricating oil pump Download PDFInfo
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- CN212029127U CN212029127U CN202020615076.6U CN202020615076U CN212029127U CN 212029127 U CN212029127 U CN 212029127U CN 202020615076 U CN202020615076 U CN 202020615076U CN 212029127 U CN212029127 U CN 212029127U
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Abstract
The utility model discloses a novel electric lubricating oil pump, which comprises an oil tank, a pump body and a direct current motor, wherein the oil tank is positioned above the pump body, and the direct current motor is positioned below the pump body; an oil level sensor is arranged inside the oil tank; the top of the oil tank is provided with a buckle type oil injection cover; the electric lubricating oil pump can solve the problem of misjudgment caused by an observation mode of artificially observing the oil mass state of the lubricating oil in the oil tank, and can accurately detect the oil level in the oil tank through the oil level sensor; the oil tank top is provided with buckle formula oiling lid and has changed the mode that former single oiling mouth filled lubricating grease, and the mode of filling lubricating grease in to the oil tank is various, operates simple swift more.
Description
Technical Field
The utility model relates to a pump especially relates to a novel electronic lubricating-oil pump.
Background
The lubricating pump device is mainly used for conveying lubricating oil to a lubricating system in various mechanical equipment. The existing various lubricating pump devices in the market are single in lubricating grease filling mode, and the operation of filling lubricating grease into an oil tank is inconvenient; in addition, the oil quantity state of the lubricating grease in the oil tank needs to be realized by a manual regular observation mode, and the manual observation mode easily causes misjudgment, can not correctly feed back the running state of the lubricating pump device and causes unnecessary loss.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a novel electric lubricating oil pump.
In order to solve the technical problem, the utility model discloses a technical scheme is: a novel electric lubricating oil pump comprises an oil tank, a pump body and a direct current motor, wherein the oil tank is positioned above the pump body, and the direct current motor is positioned below the pump body; an oil level sensor is arranged inside the oil tank; the top of the oil tank is provided with a buckle type oil injection cover;
the upper side in the pump body is provided with a grating plate, and an oil absorption area in the pump body is communicated with the inside of the oil tank through the grating plate;
the output end of the direct current motor main shaft penetrates upwards from the inside of the pump body and then is positioned inside the oil tank, and the output end of the direct current motor main shaft is connected with an oil scraping arm; an eccentric wheel is fixedly arranged on a main shaft of the direct current motor and is positioned in the pump body; a steel sleeve is sleeved outside the eccentric wheel;
the pump unit is arranged in the pump body and comprises a plunger cavity, a plunger and a one-way valve, and the plunger cavity is inserted in the pump body; the inner end of the plunger cavity is positioned in the pump body, the plunger is arranged inside the inner end of the plunger cavity, the inner end of the plunger is in contact with the steel sleeve, and a moving end is sleeved on the inner end of the plunger; springs are sleeved outside the movable end head and the inner end of the plunger cavity; an oil suction hole is formed in the inner end of the plunger cavity;
a one-way valve is arranged in the outer end of the plunger cavity, the outer end of the plunger cavity is communicated with an oil outlet, and the oil outlet is connected with a safety valve.
Furthermore, the upper part of the oil tank is provided with an exhaust nozzle.
Furthermore, a fixed stop lever is fixedly arranged in the oil tank.
Furthermore, the output end of the direct current motor main shaft is connected with the oil scraping arm through an oil pressing plate.
Further, the material of the oil tank is nylon PA 12.
Further, the material of the pump body is cast aluminum.
The electric lubricating oil pump can solve the problem of misjudgment caused by an observation mode of artificially observing the oil mass state of the lubricating oil in the oil tank, and can accurately detect the oil level in the oil tank through the oil level sensor; the oil tank top is provided with buckle formula oiling lid and has changed the mode that former single oiling mouth filled lubricating grease, and the mode of filling lubricating grease in to the oil tank is various, operates simple swift more.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a liposuction process of the pump unit.
Fig. 3 is a schematic diagram of the pump unit degreasing process.
In the figure: 1. an exhaust nozzle; 2. an oil tank; 3. an oil scraping arm; 4. an oil level sensor; 5. a connecting flange; 6. a grid plate; 7. an eccentric wheel; 8. a pump body; 9. a direct current motor; 10. steel jacket; 11. a pump unit; 12. a safety valve; 13. a one-way valve; 14. fixing a gear lever; 15. an upper cover; 16. a snap-in oil injection cover; 17. a plunger cavity; 18. a plunger; 19. a spring; 20. moving the end head; 21. an oil suction hole; 22. and an oil outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a novel electric lubricating oil pump comprises an oil tank 2, a pump body 8 and a direct current motor 9, wherein the oil tank 2 is positioned above the pump body, and the direct current motor 9 is positioned below the pump body; an oil level sensor 4 is arranged inside the oil tank 2; the top of the oil tank 2 is provided with a snap-in oil injection cover 16; the upper part of the oil tank 2 is provided with an exhaust nozzle 1. A fixed stopper rod 14 is fixedly provided inside the oil tank 2.
The upper side in the pump body 8 is provided with a grating plate 6, and an oil absorption area in the pump body is communicated with the inside of the oil tank 2 through the grating plate; the material of oil tank 2 is nylon PA12, and nylon PA12 material chooses for use the European import material, and the ultraviolet resistance ability is strong, difficult ageing, and the transparency of oil tank is high, and the user can clearly observe the oil level in the oil tank through the naked eye to the shock resistance ability of the oil tank of adopting nylon PA12 material to make is strong, and difficult fracture oil leak. The pump body 8 is made of cast aluminum, and the pump body made of cast aluminum has good rigidity and strength and is not easy to deform under the conditions of high temperature and low temperature, so that the oil output of each stroke of a pump unit of the lubricating oil pump is more stable, and accurate lubrication can be realized; and because the pump body that the cast aluminium made has higher rigidity and intensity, can set up a plurality of pump unit installation interfaces on the pump body and carry out the installation of a plurality of pump units, reinforcing oil feeding ability.
The output end of a main shaft of a direct current motor 9 penetrates upwards from the inside of the pump body and then is positioned inside the oil tank, the output end of the main shaft of the direct current motor 9 is connected with the oil scraping arm 3 through an oil pressing plate, the direct current motor works to drive the oil scraping arm 3 to rotate, the oil pressing plate is a spiral oil pressing plate, lubricating grease stored inside the oil tank 2 can be pressed downwards into an oil suction area inside the pump body 8 along a grid plate 6, and bubbles contained inside the lubricating grease are scattered and released by the grid plate 6 when the lubricating grease passes through the grid plate 6 and are discharged to the outside of the oil tank from an exhaust nozzle 1 arranged at the upper part of the oil tank;
the plastic friction plates are integrated on the oil scraping arm 3 and are in contact with the inner wall of the oil tank 2, the oil level of lubricating grease in the oil tank is lowered after the lubricating grease is output, and the lubricating grease adhered to the inner wall of the oil tank can be scraped by the oil scraping arm through the plastic friction plates during rotation. The rotating oil scraping arm in the oil tank is matched with the static fixed stop lever 14 to stir the lubricating grease, and air bubbles in the lubricating grease can be scattered and discharged through the exhaust nozzle 1.
An eccentric wheel 7 is fixedly arranged on a main shaft of the direct current motor 9, and the eccentric wheel 7 is positioned in the pump body; a steel sleeve 10 is sleeved outside the eccentric wheel 7; a pump unit 11 is arranged in the pump body 8, the pump unit 11 comprises a plunger cavity 17, a plunger 18 and a one-way valve 13, and the plunger cavity 17 is inserted in the pump body; the inner end of the plunger cavity 17 is positioned in the pump body, the plunger 18 is arranged in the inner end of the plunger cavity, the inner end of the plunger 18 is contacted with the steel sleeve 10, and the inner end of the plunger 18 is sleeved with a movable end 20; springs 19 are sleeved outside the movable end 20 and the inner end of the plunger cavity 17; an oil suction hole 21 is formed in the inner end of the plunger cavity 17; a one-way valve 13 is provided in the outer end of the plunger chamber 17, and the one-way valve integrated in the pump unit prevents grease from being sucked back from the main oil passage. The outer end of the plunger cavity 17 is communicated with an oil outlet 22, and the oil outlet 22 is connected with a safety valve 12.
As shown in fig. 2 and 3, the existence of the eccentricity of the eccentric wheel 7 enables the eccentric wheel 7 to drive the plunger 18 to reciprocate in the inner and outer directions during the rotation process; when the plunger 18 moves outwards under the pushing of the eccentric wheel 7, the plunger 18 pumps the lubricating grease in the plunger cavity 17 outwards, the lubricating grease sequentially passes through the one-way valve 13 and the oil outlet 22 and then enters a main oil way of a lubricating system of mechanical equipment, so that the pump unit pumps the lubricating grease to the main oil way of the lubricating system, and the spring 19 is compressed; when the eccentric wheel 7 continues to rotate, the eccentric wheel 7 does not push the plunger 18 outwards any more, at this time, under the rebound action of the spring 19, the moving end 20 arranged on the plunger 18 moves inwards under the pushing action of the spring, so as to drive the plunger 18 to move inwards without blocking the oil suction hole 21, the oil suction hole 21 is opened, the lubricating grease in the oil suction area inside the pump body enters the inside of the plunger cavity 17 from the oil suction hole 21, and the pumping unit sucks the lubricating grease into the plunger cavity 17 through the oil suction hole 21; eccentric wheel rotates in succession and realizes the utility model discloses a lubricating-oil pump carries lubricating grease constantly to mechanical equipment's lubricating system.
The utility model discloses an electronic lubricating oil pump working process does: when the lubricating grease pump works, the direct current motor 9 continuously drives the eccentric wheel 7 to rotate, and the steel sleeve 10 sleeved outside the eccentric wheel 7 pushes the plunger 18, so that the plunger 18 in the pump unit 11 reciprocates in the plunger cavity 17 along with the extension and contraction of the spring 19, and the suction and pressure feeding of lubricating grease are realized; the check valve 13 integrated in the pump unit 11 prevents the grease from being sucked back from the main oil path.
When the lubricating grease level in the oil tank 2 drops to the position which can be detected by the oil level sensor 4, the PLC system connected with the oil level sensor can identify the feedback signal from the oil level sensor and prompt that the lubricating grease in the oil tank is insufficient, so that the problem of misjudgment caused by observing the state of the lubricating grease in the oil tank by means of manual jacking is solved, and unnecessary damage of lubricated equipment due to misjudgment is avoided. When lubricating grease was not enough in the oil tank, operating personnel accessible oiling mouth or open buckle formula oiling lid 16 and supply the lubricating grease in the oil tank, provided more convenient mode of filling lubricating grease, operating personnel fills lubricating grease simple swiftly more.
When the lubrication system is blocked, the output pressure of the pump unit gradually rises, and when the pressure reaches 280bar, the safety valve 12 opens oil drainage to complete pressure relief, so that the safety of the whole lubrication system is protected.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (6)
1. A novel electric lubricating oil pump is characterized in that: the oil pump comprises an oil tank (2), a pump body (8) and a direct current motor (9), wherein the oil tank (2) is positioned above the pump body, and the direct current motor (9) is positioned below the pump body; an oil level sensor (4) is arranged in the oil tank (2); the top of the oil tank (2) is provided with a snap-in type oil injection cover (16);
a grating plate (6) is arranged on the upper side in the pump body (8), and an oil absorption area in the pump body is communicated with the inside of the oil tank (2) through the grating plate;
the output end of the main shaft of the direct current motor (9) penetrates upwards from the inside of the pump body and then is positioned inside the oil tank, and the output end of the main shaft of the direct current motor is connected with an oil scraping arm (3); an eccentric wheel (7) is fixedly arranged on a main shaft of the direct current motor (9), and the eccentric wheel (7) is positioned in the pump body; a steel sleeve (10) is sleeved outside the eccentric wheel (7);
a pump unit (11) is arranged in the pump body (8), the pump unit (11) comprises a plunger cavity (17), a plunger (18) and a one-way valve (13), and the plunger cavity (17) is inserted in the pump body; the inner end of the plunger cavity (17) is positioned in the pump body, the plunger (18) is arranged in the inner end of the plunger cavity, the inner end of the plunger (18) is in contact with the steel sleeve (10), and the inner end of the plunger (18) is sleeved with a moving end (20); springs (19) are sleeved outside the movable end (20) and the inner end of the plunger cavity (17); an oil suction hole (21) is formed in the inner end of the plunger cavity (17);
the outer end of the plunger cavity (17) is internally provided with a one-way valve (13), the outer end of the plunger cavity (17) is communicated with an oil outlet (22), and the oil outlet (22) is connected with a safety valve (12).
2. The novel electric lubricating oil pump as claimed in claim 1, characterized in that: and the upper part of the oil tank (2) is provided with an exhaust nozzle (1).
3. The novel electric lubricating oil pump as claimed in claim 2, characterized in that: and a fixed stop lever (14) is fixedly arranged in the oil tank (2).
4. A novel electric lubricating oil pump as claimed in claim 3, characterized in that: the output end of the main shaft of the direct current motor (9) is connected with the oil scraping arm (3) through an oil pressing plate.
5. The novel electric lubricating oil pump as claimed in claim 1, characterized in that: the material of the oil tank (2) is nylon PA 12.
6. The novel electric lubricating oil pump as claimed in claim 1, characterized in that: the pump body (8) is made of cast aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615076.6U CN212029127U (en) | 2020-04-22 | 2020-04-22 | Novel electric lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615076.6U CN212029127U (en) | 2020-04-22 | 2020-04-22 | Novel electric lubricating oil pump |
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| Publication Number | Publication Date |
|---|---|
| CN212029127U true CN212029127U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615076.6U Active CN212029127U (en) | 2020-04-22 | 2020-04-22 | Novel electric lubricating oil pump |
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| CN (1) | CN212029127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728385A (en) * | 2020-12-15 | 2021-04-30 | 郑州众城润滑科技有限公司 | Grease filling pump |
-
2020
- 2020-04-22 CN CN202020615076.6U patent/CN212029127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728385A (en) * | 2020-12-15 | 2021-04-30 | 郑州众城润滑科技有限公司 | Grease filling pump |
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