Circulating lubricating oil pump with oil return duct

Abstract

The utility model relates to the technical field of oil pumps, in particular to a circulating lubricating oil pump with an oil return duct, which comprises a pump body and a filter device, an oil pipe is mounted on one side of the pump body, the filter device is arranged on the surface of the oil pipe, the filter device comprises a basket body, the basket body is arranged on one side of the oil pipe, the basket body is inserted into the oil pipe, and filter holes are formed in the surface of the basket body. The surface of the basket body is fixedly connected with a baffle, the baffle abuts against the oil pipe, the surface of the baffle is fixedly connected with a fixing hole, the surface of the oil pipe is rotationally connected with a round rod, the surface of the round rod is fixedly connected with two stop levers, the stop levers are clamped with the fixing hole, and the two stop levers are arranged in a mirror symmetry mode. And the smoothness of a lubricating oil channel is ensured, and engine oil is ensured to uniformly and stably flow in the whole lubricating system, so that all parts can be fully and continuously lubricated.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pumps, in particular to a circulating lubricating oil pump with an oil return passage. Background Art

[0002] The oil pump is a key component in the engine lubrication system. Its main function is to suck the oil out of the oil pan and deliver it to various parts of the engine that need lubrication at a certain pressure. Its performance directly affects the lubrication effect and service life of the engine. A high-quality oil pump can stably provide sufficient oil pressure to ensure that all components are well lubricated and cooled at high speeds, reduce wear, reduce the occurrence of failures, and ensure the normal operation of the engine. The design of the return oil channel in the circulating lubrication oil pump is crucial. This oil pump uses a precise internal structure to draw the oil from the oil pan, and part of the oil returns along the return oil channel to form a cycle. It can continuously and stably provide an appropriate amount of oil to various key parts of the engine, effectively reducing friction and wear.

[0003] The utility model disclosed in the prior art, such as the utility model with the publication number CN206347291U, relates to the field of oil pumps, specifically, an oil pump body, the pump body includes a main body and a protruding end on the main body, a stepped hole is provided through the main body, the stepped hole includes a rotor cavity and a rotating shaft hole, the rotor cavity is close to the mounting surface of the pump body, the rotor cavity is a cylindrical cavity, the diameter of the rotor cavity is larger than the rotating shaft hole, and there is a gap between the axis of the rotor cavity and the axis of the rotating shaft hole; a pressure limiting valve mounting hole is provided on the protruding end of the main body, the axis of the pressure limiting valve mounting hole is parallel to the axis of the rotor cavity, and the rotor cavity is connected to the pressure limiting valve mounting hole; four mounting holes are provided through the pump body; and a positioning hole is provided on the pump body. The stepped hole is used to install the inner rotor and the outer rotor, and there is a gap between the axis of the rotor cavity and the axis of the rotating shaft hole, so that the relative rotation between the inner rotor and the outer rotor can be achieved. By setting the positioning hole, it is convenient to accurately position the oil pump body when installing it. The oil pump body of the utility model has a simple and compact structure. However, during the process of adding lubricating oil or returning lubricating oil, impurities remain in the lubricating oil. The impurities will re-enter the lubrication system with the returning lubricating oil, aggravating the wear of parts and reducing the service life of the engine.

[0004] In order to solve the problem that impurities will re-enter the lubrication system with the refluxed lubricating oil, aggravate the wear of parts and reduce the service life of the engine, the existing technology adopts the method of replacing the lubricating oil, but it affects the normal use of the equipment and leads to the problem of poor lubrication effect of the equipment. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that impurities will re-enter the lubrication system with the refluxed lubricating oil, aggravate the wear of parts and components, and reduce the service life of the engine, and proposes a circulating lubricating oil pump with an oil return channel.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a circulating lubricating oil pump with an oil return channel, comprising a pump body and a filtering device, an oil pipe is installed on one side of the pump body, and a filtering device is arranged on the surface of the oil pipe, the filtering device comprises a basket, the basket is arranged on one side of the oil pipe, the basket and the oil pipe are inserted, filtering holes are opened on the surface of the basket, a baffle is fixedly connected to the surface of the basket, the baffle abuts against the oil pipe, and a fixed hole is fixedly connected to the surface of the baffle. By setting the filtering device, it is convenient to filter the refluxed lubricating oil, ensure that the lubricating oil channel is unobstructed, and ensure that the oil flows evenly and stably in the entire lubrication system, so that each component can be fully and continuously lubricated.

[0007] Preferably, a round rod is rotatably connected to the surface of the oil pipe, and a baffle is fixedly connected to the surface of the round rod. By setting the baffle, the baffle is rotated to abut against the baffle plate during use, which facilitates positioning of the basket, increases the stability of the equipment, and reduces the difficulty of operating the equipment.

[0008] Preferably, the baffle rod is snap-connected with the fixing hole, there are two baffle rods, and the two baffle rods are arranged in mirror symmetry. By setting the fixing hole, when in use, the baffle rod is easy to cooperate with the fixing hole to position the basket, which increases the stability of the equipment and reduces the difficulty of operating the equipment.

[0009] Preferably, a maintenance device is provided on the surface of the oil pipe, and the maintenance device includes a mounting frame, the mounting frame is fixedly connected to the oil pipe, a hole is opened on the surface of the mounting frame, a push rod is slidably connected to the hole on the surface of the mounting frame, and a clamping plate is fixedly connected to the surface of the baffle. By providing the maintenance device, it is convenient to eject the basket and filter the impurities in the basket, which increases the usability of the equipment and reduces the difficulty of using the equipment.

[0010] Preferably, a pressure block is fixedly connected to one side of the push rod close to the card plate, and the pressure block abuts against the card plate. By setting the pressure block, when in use, the pressure block squeezes the card plate, which makes it easy to squeeze the basket out of the oil pipe, thereby increasing the stability of the equipment and facilitating use.

[0011] Preferably, a round block is fixedly connected to the side of the push rod away from the pressure block, and a pressure spring is sleeved on the surface of the push rod. The two ends of the pressure spring are respectively fixedly connected to the mounting frame and the round block. By setting the pressure spring, when in use, the pressure spring generates elastic force to squeeze the push rod, assisting the push rod to push out the basket, thereby increasing the usability of the equipment.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] In the utility model, by setting a filtering device and a maintenance device, when in use, the basket is inserted into the oil pipe, at this time the baffle rod passes through the baffle plate, at this time the round rod is rotated, the round rod drives the baffle rod to resist the baffle plate, at this time the basket is positioned, when the lubricating oil passes through the basket, impurities are filtered and blocked by the basket, by rotating the round rod to drive the baffle rod to correspond to the fixing hole, at this time the pressure spring generates elastic force to squeeze the push rod, the push rod squeezes the pressure block, the pressure block pushes the card plate out, and the basket can be removed to clean the internal impurities, by setting the utility model, it is convenient to filter the refluxed lubricating oil, ensure that the lubricating oil channel is unobstructed, and ensure that the engine oil flows evenly and stably in the entire lubrication system, so that each component can be fully and continuously lubricated to maintain the efficient operation of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a circulating lubricating oil pump with an oil return channel;

[0015] Figure 2 The utility model provides a partial structural schematic diagram of a circulating lubricating oil pump with an oil return passage;

[0016] Figure 3 The utility model provides a structural schematic diagram of a filtering device of a circulating lubricating oil pump with an oil return passage;

[0017] Figure 4 The utility model proposes a circulating lubricating oil pump with an oil return channel. Figure 3 A schematic diagram of the enlarged structure at point A;

[0018] Figure 5 The utility model provides a structural schematic diagram of a maintenance device for a circulating lubricating oil pump with an oil return passage.

[0019] Legend: 1. Pump body; 2. Oil pipe; 3. Filter device; 31. Baffle; 32. Basket; 33. Fixing hole; 34. Filter hole; 35. Round rod; 36. Baffle rod; 4. Maintenance device; 41. Mounting frame; 42. Push rod; 43. Round block; 44. Pressure spring; 45. Pressure block; 46. Card plate. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a circulating lubricating oil pump with an oil return channel, comprising a pump body 1 and a filter device 3, an oil pipe 2 is installed on one side of the pump body 1, and the filter device 3 is arranged on the surface of the oil pipe 2.

[0021] The specific settings and functions of the filtering device 3 and the maintenance device 4 are described in detail below.

[0022] In this embodiment: the filter device 3 includes a basket 32, the basket 32 ​​is arranged on one side of the oil pipe 2, the basket 32 ​​and the oil pipe 2 are inserted, the surface of the basket 32 ​​is provided with a filter hole 34, the surface of the basket 32 ​​is fixedly connected with a baffle 31, the baffle 31 is in contact with the oil pipe 2, and the surface of the baffle 31 is fixedly connected with a fixed hole 33. By setting the filter device 3, it is convenient to filter the refluxed lubricating oil, ensure that the lubricating oil channel is unobstructed, and ensure that the engine oil flows evenly and stably in the entire lubrication system, so that each component can be fully and continuously lubricated.

[0023] Specifically, the surface of the oil pipe 2 is rotatably connected to a round rod 35, and the surface of the round rod 35 is fixedly connected to a baffle 36. By setting the baffle 36, when in use, the baffle 36 is rotated to abut against the baffle 31, which facilitates the positioning of the basket 32, increases the stability of the equipment, and reduces the difficulty of operating the equipment.

[0024] Specifically, the blocking rod 36 is engaged with the fixing hole 33 , and there are two blocking rods 36 , which are arranged in a mirror-symmetrical manner.

[0025] In this embodiment, by providing the fixing hole 33 , when in use, the blocking rod 36 is convenient for cooperating with the fixing hole 33 to position the housing 32 , thereby increasing the stability of the device and reducing the difficulty of operating the device.

[0026] Specifically, a maintenance device 4 is provided on the surface of the oil pipe 2, and the maintenance device 4 includes a mounting frame 41, which is fixedly connected to the oil pipe 2, and a hole 1 is opened on the surface of the mounting frame 41, and a push rod 42 is slidably connected to the hole 1 on the surface of the mounting frame 41, and a clamping plate 46 is fixedly connected to the surface of the baffle 31.

[0027] In this embodiment, by providing the maintenance device 4, it is convenient to push out the basket 32, and to filter the impurities in the basket 32, thereby increasing the usability of the device and reducing the difficulty of using the device.

[0028] Specifically, a pressure block 45 is fixedly connected to one side of the push rod 42 close to the clamping plate 46, and the pressure block 45 abuts against the clamping plate 46. By setting the pressure block 45, when in use, the pressure block 45 squeezes the clamping plate 46, which makes it easy to squeeze the basket 32 ​​out of the oil pipe 2, thereby increasing the stability of the equipment and facilitating use.

[0029] Specifically, a round block 43 is fixedly connected to one side of the push rod 42 away from the pressure block 45 , a pressure spring 44 is sleeved on the surface of the push rod 42 , and two ends of the pressure spring 44 are fixedly connected to the mounting frame 41 and the round block 43 , respectively.

[0030] In this embodiment, a pressure spring 44 is provided. When in use, the pressure spring 44 generates elastic force to squeeze the ejector rod 42, and the ejector rod 42 is assisted to eject the basket 32, thereby increasing the usability of the device.

[0031] Working principle: by setting the filtering device 3 and the maintenance device 4, when in use, the basket 32 ​​is inserted into the oil pipe 2, at this time, the baffle rod 36 passes through the baffle plate 31, and the round rod 35 is rotated at this time, and the round rod 35 drives the baffle rod 36 to resist the baffle plate 31, and the basket 32 ​​is positioned at this time. When the lubricating oil passes through the basket 32, the impurities are filtered by the basket 32 ​​and blocked by the basket 32, and the baffle rod 36 is driven to correspond to the fixing hole 33 by rotating the round rod 35. At this time, the pressure spring 44 generates elastic force to squeeze the push rod 42, and the push rod 42 squeezes the pressure block 45, and the pressure block 45 pushes out the card plate 46, and the basket 32 ​​can be removed to clean the internal impurities. By setting the utility model, it is convenient to filter the refluxed lubricating oil, ensure that the lubricating oil channel is unobstructed, and ensure that the engine oil flows evenly and stably in the entire lubrication system, so that each component can be fully and continuously lubricated to maintain the efficient operation of the engine.

Claims

1. A circulating lubricating oil pump with an oil return passage, comprising a pump body (1) and a filter device (3), characterized in that: An oil pipe (2) is installed on one side of the pump body (1); a filter device (3) is arranged on the surface of the oil pipe (2); the filter device (3) comprises a basket (32); the basket (32) is arranged on one side of the oil pipe (2); the basket (32) and the oil pipe (2) are inserted into each other; a filter hole (34) is provided on the surface of the basket (32); a baffle (31) is fixedly connected to the surface of the basket (32); the baffle (31) abuts against the oil pipe (2); and a fixing hole (33) is fixedly connected to the surface of the baffle (31).

2. A circulating lubricating oil pump with an oil return passage according to claim 1, characterized in that: A round rod (35) is rotatably connected to the surface of the oil pipe (2), and a blocking rod (36) is fixedly connected to the surface of the round rod (35).

3. A circulating lubricating oil pump with an oil return passage according to claim 2, characterized in that: The blocking rod (36) is clamped with the fixing hole (33), and there are two blocking rods (36), which are arranged in a mirror-symmetrical manner.

4. A circulating lubricating oil pump with an oil return passage according to claim 1, characterized in that: A maintenance device (4) is provided on the surface of the oil pipe (2), the maintenance device (4) comprising a mounting frame (41), the mounting frame (41) being fixedly connected to the oil pipe (2), a hole (1) being provided on the surface of the mounting frame (41), a push rod (42) being slidably connected to the hole (1) on the surface of the mounting frame (41), and a clamping plate (46) being fixedly connected to the surface of the baffle (31).

5. A circulating lubricating oil pump with an oil return passage according to claim 4, characterized in that: A pressing block (45) is fixedly connected to one side of the push rod (42) close to the clamping plate (46), and the pressing block (45) abuts against the clamping plate (46).

6. A circulating lubricating oil pump with an oil return passage according to claim 4, characterized in that: A round block (43) is fixedly connected to one side of the push rod (42) away from the pressure block (45), a pressure spring (44) is sleeved on the surface of the push rod (42), and two ends of the pressure spring (44) are respectively fixedly connected to the mounting frame (41) and the round block (43).

Images