Novel integrated control lubricating oil pump

Abstract

The utility model discloses a novel integrated control lubricating oil pump, and particularly relates to the technical field of lubricating oil pumps, which mainly comprises an oil drum, an oil pressing disc in sliding connection is arranged in the oil drum, and an oil conveying component is arranged below the oil pressing disc; the oil conveying assembly comprises an oil scraping piece arranged below the oil pressing disc, one side of the oil scraping piece is fixedly connected with a direct current motor, the outer wall of the output end of the direct current motor is fixedly connected with an eccentric wheel, and one side of the outer wall of the eccentric wheel is connected with a pressing ring. The oil conveying assembly is arranged, the output end of the direct-current motor drives the eccentric wheel to rotate, the eccentric wheel drives the pressing ring to rotate, the multiple oil outlet connectors can output lubricating oil, and when the oil pressing disc continuously moves downwards to a low position, the controller closes driving of the direct-current motor after the low-liquid-level switch passes through sensing. Lubricating output can be achieved according to the specified oil amount, and the lubricating output accuracy is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lubricating oil pumps, and more specifically, to a novel integrated controlled lubricating oil pump. Background Art

[0002] Lubricating oil pumps are mainly used to transport lubricating oil in lubrication systems of various mechanical equipment. Most of the prior art lubricating oil pump control devices require an external control system to control the start, stop and running interval of the lubricating oil pump motor.

[0003] After searching the existing published documents, the utility model patent of Chinese patent publication number CN210771389U discloses a new type of lubricating oil pump. The patent mainly claims that the oil tank of the lubricating oil pump has strong UV resistance and is not easy to age, and the oil tank has strong impact resistance and is not easy to break and leak oil; the pump body has good rigidity and strength, and is not easy to deform under high and low temperature conditions, so that the oil output of the pump unit of the lubricating oil pump per stroke is more stable, and accurate lubrication can be achieved; and because the pump body has high rigidity and strength, it can complete the installation of multiple pump units while ensuring that the pump body structure is not damaged; However, the lubricating oil pump still has the following defects;

[0004] The above-mentioned lubricating oil pump transports the lubricating oil by rotating the drive motor. However, it is difficult to transport a specified amount of lubricating oil during the transport process, so the transport volume is difficult to accurately control. Therefore, a larger or smaller transport volume will affect the lubrication effect. For this purpose, a new integrated control lubricating oil pump is provided. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a novel integrated control lubricating oil pump.

[0006] To achieve the above object, the utility model provides the following technical solutions: a novel integrated control lubricating oil pump, comprising an oil barrel, a slidingly connected oil pressure plate is provided inside the oil barrel, and an oil delivery assembly is provided below the oil pressure plate;

[0007] The oil delivery assembly includes an oil scraper arranged below the oil pressure plate, one side of the oil scraper is fixedly connected to a DC motor, the outer wall of the output end of the DC motor is fixedly connected to an eccentric wheel, one side of the outer wall of the eccentric wheel is connected to a pressure ring, and the other side of the outer wall of the eccentric wheel has a plurality of pump plunger linkage spring rods equidistantly distributed in a circular shape, one end of the pump plunger linkage spring rod is fixedly connected to an oil outlet joint, and a low liquid level switch is installed above the oil pressure plate.

[0008] Preferably, the pressure ring and the eccentric wheel are welded, and both the pressure ring and the eccentric wheel are made of stainless steel. An oil drum cover is installed at the top of the oil drum and located at the outer wall position of the low liquid level switch, and the oil drum cover is fixedly connected to the low liquid level switch and the oil drum respectively.

[0009] Preferably, a pressure gauge is threadedly connected to the top of the outer wall of each of the oil outlet joints, the outer wall of the DC motor is provided with a rotatably connected pump body, and multiple oil outlet joints are fixedly connected to the pump body. A bearing bracket is installed outside the output end of the DC motor and below the oil scraper. A bearing is rotatably connected inside the bearing bracket, and the inner wall of the bearing is rotatably connected to the outer wall of the output end of the DC motor. The output end of the low liquid level switch is connected to a controller, and a pump body bottom cover is fixedly connected to the bottom end of the DC motor.

[0010] By adopting the above technical solution, the DC motor is started to drive the oil scraper to rotate, the eccentric wheel drives the pressure ring to rotate, the pressure ring drives multiple pump plunger linkage spring rods to squeeze and then no longer squeeze out the pump plunger linkage spring rods, the pump plunger linkage spring rods move back and forth, and multiple oil outlet joints can output lubricating oil. When the oil pressure plate continues to move down to a lower position, the low liquid level switch is sensed by the controller and then turns off the DC motor drive.

[0011] Preferably, a support ring is welded to the bottom end of the pump body, a rubber shock-absorbing ring is bonded and fixed to the bottom end of the support ring, a plurality of support blocks are evenly distributed in a circular ring at the bottom end of the rubber shock-absorbing ring, and the top cross-sectional area of ​​the support block is larger than the bottom cross-sectional area.

[0012] By adopting the above technical solution, a vertical support operation is formed through multiple support blocks at the bottom. At the same time, the support blocks can provide vertical support for the rubber shock-absorbing ring, and the rubber shock-absorbing ring can provide vertical support for the support sleeve. The pump body can firmly support the DC motor, thereby increasing the stability of the DC motor operation.

[0013] Technical effects and advantages of the utility model:

[0014] 1. By setting up the oil delivery assembly, the output end of the DC motor drives the eccentric wheel to rotate, the eccentric wheel drives the pressure ring to rotate, the pump plunger links the elastic rod to move back and forth, and multiple oil outlet joints can output lubricating oil. When the oil pressure plate continues to move down to a lower position, the low liquid level switch is sensed by the controller to shut down the DC motor drive, and lubrication output is achieved according to the specified oil volume. Multiple oil outlet joints are integrated to achieve accurate oil output, and the accuracy of lubrication output is effectively improved;

[0015] 2. Vertical support operation is formed through multiple support blocks at the bottom. At the same time, the support blocks can provide vertical support for the rubber shock-absorbing ring. The rubber shock-absorbing ring has a buffering effect on the support sleeve. The pump body can firmly support the DC motor, reduce the vibration amplitude, and increase the stability of the pump body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a novel integrated control lubricating oil pump main view stereoscopic structural schematic diagram.

[0017] Figure 2 It is a schematic diagram of the vertical cross-section plan structure of a new type of integrated control lubricating oil pump of the utility model.

[0018] Figure 3 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] Figure 4 The utility model is a schematic diagram of the partial structure of the connection between the pump body and the support collar in a novel integrated control lubricating oil pump.

[0020] The accompanying drawings are marked as follows: 1. oil drum; 2. oil pressure plate; 3. low liquid level switch; 4. DC motor; 5. oil scraper; 6. eccentric wheel; 7. pump plunger linkage spring rod; 8. oil outlet joint; 9. pressure gauge; 10. oil drum cover; 11. bearing; 12. bearing bracket; 13. pump body; 14. pressure ring; 15. controller; 16. pump body bottom cover; 17. support collar; 18. rubber shock-absorbing ring; 19. support block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] As attached Figure 1-4 A new type of integrated control lubricating oil pump is shown, and the new type of integrated control lubricating oil pump is provided with an oil delivery component. The setting of the oil delivery component can make the low liquid level switch 3 shut down the DC motor 4 drive by the controller 15 after sensing when the oil pressure plate 2 continues to move down to a lower position, and can realize lubrication output according to the specified oil volume, and the accuracy of lubrication output is effectively improved. The specific structure of the oil delivery component is set as follows:

[0023] In some embodiments, as shown in the attached Figure 1-3As shown, the oil delivery assembly includes an oil scraper 5 arranged below the oil pressure plate 2, one side of the oil scraper 5 is fixedly connected to a DC motor 4, an eccentric wheel 6 is fixedly connected to the outer wall of the output end of the DC motor 4, a pressure ring 14 is connected to one side of the outer wall of the eccentric wheel 6, and a plurality of pump plunger linkage spring rods 7 are evenly distributed in a circular ring on the other side of the outer wall of the eccentric wheel 6, one end of the pump plunger linkage spring rod 7 is fixedly connected to an oil outlet connector 8, and a low liquid level switch 3 is installed above the oil pressure plate 2;

[0024] The use principle of the new integrated control lubricating oil pump in this embodiment is as follows: starting the DC motor 4 drives the oil scraper 5 to rotate, and at the same time, the output end of the DC motor 4 drives the eccentric wheel 6 to rotate, and the eccentric wheel 6 drives the pressure ring 14 to rotate, and the pressure ring 14 drives multiple pump plunger linkage spring rods 7 to squeeze and then no longer squeeze out the pump plunger linkage spring rod 7, and the pump plunger linkage spring rod 7 moves back and forth, and multiple oil outlet joints 8 can output lubricating oil, and the pressure gauge 9 can see the specific oil delivery pressure, and the lubricating oil inside the oil barrel 1 continues to discharge oil to the oil outlet joint 8 through the action of the oil pressure plate 2. When the oil pressure plate 2 continues to move down to a lower position, the low liquid level switch 3 is sensed by the controller 15 to turn off the drive of the DC motor 4, and after the oil barrel 1 is filled with lubricating oil again, the oil supply will continue next time.

[0025] In some embodiments, as shown in the attached Figure 1-3 As shown, an oil drum cover 10 is installed at the top of the oil drum 1 and located at the outer wall position of the low liquid level switch 3. The oil drum cover 10 is fixedly connected to the low liquid level switch 3 and the oil drum 1 respectively, so that the oil drum cover 10 can support the low liquid level switch 3 and increase the stability of the low liquid level switch 3. The top of the outer wall of each oil outlet joint 8 is threadedly connected with a pressure gauge 9. The outer wall of the DC motor 4 is provided with a rotatably connected pump body 13. Multiple oil outlet joints 8 are fixedly connected to the pump body 13, so that the pump body 13 can support the oil outlet joint 8. When the oil outlet joint 8 outputs lubricating oil, the oil outlet pressure of the oil outlet joint 8 can be sensed by the pressure gauge 9, so that the specific oil outlet pressure value of the oil outlet joint 8 can be accurately known. The DC motor 4 output end is outside and located at the oil scraper 5 A bearing bracket 12 is installed at the lower position, and the bearing bracket 12 is rotatably connected to the bearing 11 inside, and the inner wall of the bearing 11 is rotatably connected to the outer wall of the output end of the DC motor 4, so that when the output end of the DC motor 4 rotates, the bearing 11 is supported by the bearing bracket 12, and the output end of the DC motor 4 can stably rotate inside the bearing 11 to reduce friction. The output end of the low liquid level switch 3 is connected to the controller 15, and the bottom cover 16 of the pump body is fixedly connected to the bottom end of the DC motor 4, so that when the oil pressure plate 2 continues to move down to a lower position, the low liquid level switch 3 is sensed by the controller 15 to turn off the drive of the DC motor 4 to achieve precise control. At the same time, the pump body bottom cover 16 can support the bottom of the DC motor 4 and increase the stability of the bottom of the DC motor 4.

[0026] In some embodiments, as shown in the attached Figure 1-4 As shown, a support collar 17 is welded to the bottom end of the pump body 13, a rubber shock-absorbing ring 18 is bonded and fixed to the bottom end of the support collar 17, and a plurality of support blocks 19 are evenly distributed in a circular ring at the bottom end of the rubber shock-absorbing ring 18, and the top cross-sectional area of ​​the support block 19 is larger than the bottom cross-sectional area thereof;

[0027] According to the upper structure, when the support pump body 13 is fixed on the support platform by bolts, a vertical support operation is formed through multiple support blocks 19 at the bottom. At the same time, the support block 19 can play a vertical supporting role for the rubber shock-absorbing ring 18, and the rubber shock-absorbing ring 18 plays a vertical supporting role for the support sleeve ring 17. The rubber shock-absorbing ring 18 has a buffering effect on the support sleeve ring 17, and the pump body 13 can firmly support the DC motor 4 and reduce the vibration amplitude.

[0028] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited and can be determined using conventional equipment. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A novel integrated control lubricating oil pump, comprising an oil barrel (1), wherein a slidingly connected oil pressure plate (2) is provided inside the oil barrel (1), characterized in that: An oil delivery assembly is provided below the oil pressure plate (2); The oil delivery assembly comprises an oil scraper (5) arranged below the oil pressure plate (2), one side of the oil scraper (5) is fixedly connected to a DC motor (4), the outer wall of the output end of the DC motor (4) is fixedly connected to an eccentric wheel (6), one side of the outer wall of the eccentric wheel (6) is connected to a pressure ring (14), and the other side of the outer wall of the eccentric wheel (6) is provided with a plurality of pump plunger linkage spring rods (7) equidistantly distributed in a circular shape, one end of the pump plunger linkage spring rod (7) is fixedly connected to an oil outlet joint (8), and a low liquid level switch (3) is installed above the oil pressure plate (2).

2. A novel integrated control lubricating oil pump according to claim 1, characterized in that: The pressure ring (14) and the eccentric wheel (6) are welded together, and the pressure ring (14) and the eccentric wheel (6) are both made of stainless steel.

3. A novel integrated control lubricating oil pump according to claim 1, characterized in that: An oil barrel cover (10) is installed at the top of the oil barrel (1) and at the outer wall position of the low liquid level switch (3), and the oil barrel cover (10) is fixedly connected to the low liquid level switch (3) and the oil barrel (1), respectively.

4. A novel integrated control lubricating oil pump according to claim 1, characterized in that: A pressure gauge (9) is threadedly connected to the top of the outer wall of each of the oil outlet connectors (8); a rotatably connected pump body (13) is provided on the outer wall of the DC motor (4); and the plurality of oil outlet connectors (8) are fixedly connected to the pump body (13).

5. The novel integrated control lubricating oil pump according to claim 1 is characterized in that: A bearing bracket (12) is installed outside the output end of the DC motor (4) and below the oil scraper (5); a bearing (11) is rotatably connected inside the bearing bracket (12); and an inner wall of the bearing (11) is rotatably connected to an outer wall of the output end of the DC motor (4).

6. The novel integrated control lubricating oil pump according to claim 1 is characterized in that: The output end of the low liquid level switch (3) is connected to a controller (15), and the bottom end of the DC motor (4) is fixedly connected to a pump body bottom cover (16).

7. A novel integrated control lubricating oil pump according to claim 4, characterized in that: A support collar (17) is welded to the bottom end of the pump body (13); a rubber shock-absorbing ring (18) is bonded and fixed to the bottom end of the support collar (17); a plurality of support blocks (19) are evenly distributed in the form of a circular ring at the bottom end of the rubber shock-absorbing ring (18); the cross-sectional area of ​​the top end of the support block (19) is larger than the cross-sectional area of ​​the bottom end thereof.

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