CN111486329B

CN111486329B - Controllable oil pump of environmental protection function emission has

Info

Publication number: CN111486329B
Application number: CN202010262394.3A
Authority: CN
Inventors: 晏建中
Original assignee: Hunan Xiangheng Pump Industry Co ltd
Current assignee: Hunan Xiangheng Pump Industry Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2022-02-11
Anticipated expiration: 2040-03-30
Also published as: CN111486329A

Abstract

The invention discloses an oil pump with environment-friendly function and controllable discharge capacity, which relates to the technical field of oil pumps and comprises a pump body shell, a filtering mechanism and a lubricating mechanism, wherein an oil pressing cavity is arranged inside the pump body shell, a gear is arranged inside the oil pressing cavity, external teeth are fixed outside the gear, a rotating shaft is arranged in the middle of the gear, a bearing is arranged outside the upper part of the rotating shaft, an oil inlet cavity is arranged on one side of the oil pressing cavity, an oil outlet cavity is arranged on the other side of the oil pressing cavity, a valve is arranged outside the oil outlet cavity, an external connecting pipe is arranged outside the oil inlet cavity, and a rotary connecting pipe is fixed on one side of the external connecting pipe close to the oil inlet cavity. The invention has the beneficial effects that: according to the device, the engine oil is conveniently filtered through the arrangement of the filtering mechanism, the first filtering frame and the first filtering screen can preliminarily filter the engine oil, and the meshes of the second filtering frame and the second filtering screen are smaller than those of the first filtering screen, so that the engine oil can be filtered again.

Description

Controllable oil pump of environmental protection function emission has

Technical Field

The invention relates to the technical field of oil pumps, in particular to an oil pump with an environment-friendly function and controllable discharge.

Background

The oil pump is a part for increasing the pressure of oil and ensuring a certain amount of oil, and forcibly supplies oil to each friction surface. The oil pump is used for increasing the oil to a certain pressure and forcibly pressing the oil onto the moving surfaces of various parts of the engine. The oil pump can be divided into two types of gear type and rotor type. The gear-type oil pump is divided into an internal gear-type oil pump and an external gear-type oil pump, and the latter is generally called a gear-type oil pump.

The existing oil pump is not convenient to disassemble and assemble, is inconvenient to maintain when damaged, has no corresponding filtering structure, possibly has impurities in the oil to influence the normal use of the oil pump, cannot lubricate the bearing position of a rotating shaft, and has limitation in use.

Disclosure of Invention

The invention aims to provide an oil pump with an environment-friendly function and controllable discharge so as to solve the problems that the existing oil pump in the background art is generally inconvenient to disassemble and assemble and maintain when damaged, has no corresponding filtering structure, possibly has impurities in the oil to influence the normal use of the oil pump, cannot lubricate the bearing position of a rotating shaft and has limitation in use.

In order to achieve the purpose, the invention provides the following technical scheme: an oil pump with environment-friendly function and controllable discharge capacity comprises a pump body shell, a filtering mechanism and a lubricating mechanism, wherein an oil pressing cavity is arranged inside the pump body shell, a gear is arranged inside the oil pressing cavity, external teeth are fixed outside the gear, a rotating shaft is arranged in the middle of the gear, a bearing is arranged outside the upper portion of the rotating shaft, an oil inlet cavity is arranged on one side of the oil pressing cavity, an oil outlet cavity is arranged on the other side of the oil pressing cavity, a valve is arranged outside the oil outlet cavity, an external connecting pipe is arranged outside the oil inlet cavity, a rotary connecting pipe is fixed on one side, close to the oil inlet cavity, of the external connecting pipe, the filtering mechanism is arranged inside the external connecting pipe, an external sealing ring is fixed on the outer side of the rotary connecting pipe, an internal sealing ring is fixed on the inner side of the rotary connecting pipe, an upper shell is arranged above the pump body shell, and a sealing cushion layer is fixed between the upper shell and the pump body shell, the pump body shell is provided with thread grooves all around, and passes through bolted connection between pump body shell and the last casing, lubricating mechanism installs in the outside of bearing, pump base is fixed with to pump body shell's bottom, and the inside of pump base embeds there is the motor.

Preferably, the gears are provided with two sets, external teeth outside the gears are meshed with each other, and the gears and the motor form a rotatable structure through a rotating shaft.

Preferably, filtering mechanism filters frame, second filter screen and fixed plate including first filtration frame, first filter screen, connecting plate, fixing bolt, second, first filtration frame is installed in the inside of taking over outward, and the inside of first filtration frame is fixed with first filter screen, outside one side of first filtration frame is fixed with the connecting plate, and the middle part of connecting plate is provided with fixing bolt, the second is installed to the inboard of first filtration frame and is filtered the frame, and the inside of second filtration frame is fixed with the second filter screen, the outside both ends that the frame was filtered to the second are connected with the fixed plate.

Preferably, the symmetry centers of the first filter frame and the first filter screen coincide with the symmetry center of the external pipe, and the first filter frame forms a detachable structure with the external pipe through the connecting plate and the fixing bolt.

Preferably, the sections of the second filter frame and the second filter screen are arc-shaped structures, and the second filter frame is fixed with the frame of the first filter frame through a fixing plate and screws.

Preferably, an integrated structure is formed between the external connecting pipe and the rotary connecting pipe, and the rotary connecting pipe is connected with a pipeline of the oil inlet cavity in a screwing mode.

Preferably, lubricated mechanism is including stock solution chamber, clamp plate, dead lever, piston plate, sealing washer, spring, limiting plate, feed liquor pipe and honeycomb duct, the stock solution chamber is located the inside of casing, and installs the clamp plate above the inside in stock solution chamber, and the below of clamp plate is connected with the dead lever, the piston plate is installed to the below of dead lever, and the outside of piston plate is fixed with the sealing washer, the spring is installed to the below of piston plate, the well upper inside wall in stock solution chamber is fixed with the limiting plate, the outside in stock solution chamber is connected with the feed liquor pipe, and one side that the stock solution chamber is close to the bearing is connected with the honeycomb duct.

Preferably, the liquid storage cavity is communicated with the inside of the bearing through a guide pipe, and the liquid storage cavity is symmetrically distributed on two sides of the bearing.

Preferably, the piston plate forms an elastic structure through a spring, the piston plate and the pressing plate form an integrated structure through a fixing rod, and the symmetry center of the pressing plate is overlapped with the symmetry center of the piston plate.

The invention provides an oil pump with an environment-friendly function and controllable discharge capacity, which has the following beneficial effects:

1. the valve is arranged to facilitate control and adjustment of the engine oil discharge amount of the oil outlet cavity, the motor can drive the gears to rotate through the rotating shaft, the two groups of gears can enable the engine oil to flow in the flow channel outside the gears, external teeth outside the gears are meshed with each other and can drive the driven gears to rotate through the driving gear, and the gears can play a role in supercharging so as to ensure that sufficient pressure is supplied to the engine oil.

2. According to the invention, the sealing performance of the connecting position of the pipeline can be improved by arranging the outer sealing ring and the inner sealing ring at the external connecting pipe, the internal thread of the external connecting pipe is matched with the external thread of the pipeline of the oil inlet cavity, the external connecting pipe and the pipeline of the oil inlet cavity can be connected and installed through the rotary connecting pipe, so that the filtering mechanism inside the external connecting pipe can be conveniently added, the threaded grooves are formed in the periphery of the pump body shell, so that the pump body shell and the upper shell can be conveniently connected through bolts, the disassembly and maintenance of the pump body shell and the upper shell are convenient, and the sealing cushion layer between the upper shell and the pump body shell can play a sealing role.

3. The engine oil filter device is convenient for filtering engine oil through the arrangement of the filter mechanism, the first filter frame and the first filter screen can primarily filter the engine oil, the disassembly and assembly between the first filter frame and the external connecting pipe are convenient to realize through the connecting plate and the fixing bolt, so that the first filter frame and the first filter screen are convenient to disassemble, the meshes of the second filter frame and the second filter screen are smaller than those of the first filter screen, the engine oil can be filtered again, the assembly and disassembly of the second filter frame and the first filter frame are convenient to realize through the fixing plate and the screws, and the second filter frame and the first filter frame can be disassembled and cleaned, so that the engine oil filter device can be repeatedly used and has certain environmental protection property.

4. The lubricating mechanism is arranged to facilitate the lubrication of the bearing position of the rotating shaft, lubricating liquid can be injected into the liquid storage cavity through the liquid inlet pipe, and when the lubricating device is used, the pressing plate can be pressed to drive the piston plate to downwards extrude the lubricating liquid in the liquid storage cavity through the pressing plate so as to enable the lubricating liquid to enter the bearing position through the guide pipe to lubricate the bearing position, so that the mechanical rotation fluency is improved, and the wear rate of the bearing position is reduced.

Drawings

FIG. 1 is a schematic diagram of a top-view cross-sectional structure of an oil pump with environmental protection and controllable discharge capacity according to the present invention;

FIG. 2 is an enlarged structural diagram of a filtering mechanism of the oil pump with environmental protection and controllable discharge capacity of the invention;

FIG. 3 is an enlarged schematic structural diagram of a part A of the oil pump with an environmental protection function and a controllable discharge capacity in FIG. 1;

FIG. 4 is a schematic diagram of an elevational structure of an oil pump with environmental protection and controllable discharge capacity according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a part B in fig. 4 of the oil pump with an environment-friendly function and controllable discharge capacity according to the invention.

In the figure: 1. a pump body housing; 2. pressing an oil cavity; 3. a gear; 4. an outer tooth; 5. a rotating shaft; 6. an oil inlet cavity; 7. an oil outlet cavity; 8. a valve; 9. an external connection pipe; 10. a filtering mechanism; 1001. a first filter frame; 1002. a first filter screen; 1003. a connecting plate; 1004. fixing the bolt; 1005. a second filter frame; 1006. a second filter screen; 1007. a fixing plate; 11. rotating the adapter tube; 12. an outer sealing ring; 13. an inner seal ring; 14. an upper housing; 15. sealing the cushion layer; 16. a thread groove; 17. a bearing; 18. a lubrication mechanism; 1801. a liquid storage cavity; 1802. pressing a plate; 1803. fixing the rod; 1804. a piston plate; 1805. a seal ring; 1806. a spring; 1807. a limiting plate; 1808. a liquid inlet pipe; 1809. a flow guide pipe; 19. a pump mount; 20. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: an oil pump with environment-friendly function and controllable discharge capacity comprises a pump body shell 1, an oil pressing cavity 2, a gear 3, external teeth 4, a rotating shaft 5, an oil inlet cavity 6, an oil outlet cavity 7, a valve 8, an external connecting pipe 9, a filtering mechanism 10, a first filtering frame 1001, a first filtering screen 1002, a connecting plate 1003, a fixing bolt 1004, a second filtering frame 1005, a second filtering screen 1006, a fixing plate 1007, a rotary connecting pipe 11, an external sealing ring 12, an internal sealing ring 13, an upper shell 14, a sealing cushion layer 15, a thread groove 16, a bearing 17, a lubricating mechanism 18, a liquid storage cavity 1801, a pressing plate 1802, a fixing rod 1803, a piston plate 1804, a sealing ring 1805, a spring 1806, a limiting plate 1807, a liquid inlet pipe 1808, a flow guide pipe 1809, a pump seat 19 and a motor 20, wherein the oil pressing cavity 2 is arranged inside the pump body shell 1, the gear 3 is installed inside the oil pressing cavity 2, the external teeth 4 are fixed outside the gear 3, and the rotating shaft 5 is arranged in the middle of the gear 3, a bearing 17 is arranged on the outer side above the rotating shaft 5, two sets of gears 3 are arranged, external teeth 4 on the outer sides of the gears 3 are meshed with each other, the gears 3 form a rotatable structure through the rotating shaft 5 and a motor 20, the two sets of gears 3 can enable engine oil to flow in a flow passage on the outer side of the gears 3, the gears 3 can play a role of boosting to ensure that enough pressure is used for conveying the engine oil, an oil inlet cavity 6 is arranged on one side of an oil pressing cavity 2, an oil outlet cavity 7 is arranged on the other side of the oil pressing cavity 2, a valve 8 is arranged on the outer side of the oil outlet cavity 7, an external connecting pipe 9 is arranged on the outer side of the oil inlet cavity 6, a rotary connecting pipe 11 is fixed on one side, close to the oil inlet cavity 6, of the external connecting pipe 9 and the rotary connecting pipe 11 are of an integrated structure, the rotary connecting pipe 11 and a pipeline of the oil inlet cavity 6 are in a rotary connection mode, and the rotary connecting pipe 11 can realize the connection and installation between the pipelines of the external connecting pipe 9 and the oil inlet cavity 6, thereby facilitating the addition of the filtering mechanism 10 inside the external connecting pipe 9;

the filter mechanism 10 is arranged inside the external connection pipe 9, the filter mechanism 10 comprises a first filter frame 1001, a first filter screen 1002, a connecting plate 1003, a fixing bolt 1004, a second filter frame 1005, a second filter screen 1006 and a fixing plate 1007, the first filter frame 1001 is arranged inside the external connection pipe 9, the first filter screen 1002 is fixed inside the first filter frame 1001, the connecting plate 1003 is fixed on one side of the outside of the first filter frame 1001, the fixing bolt 1004 is arranged in the middle of the connecting plate 1003, the second filter frame 1005 is arranged on the inner side of the first filter frame, the second filter screen 1006 is fixed inside the second filter frame 1005, the fixing plate 1007 is connected with two ends of the outside of the second filter frame 1005, the symmetric centers of the first filter frame 1001 and the first filter screen 1002 are overlapped with the symmetric center of the external connection pipe 9, and the first filter frame 1001 and the external connection pipe 9 form a detachable structure through the connecting plate 1003 and the fixing bolt 1004, the first filter frame 1001 and the first filter screen 1002 can primarily filter engine oil, the first filter frame 1001 and the external connecting pipe 9 can be conveniently disassembled and assembled through the connecting plate 1003 and the fixing bolt 1004, so that the first filter frame 1001 and the first filter screen 1002 can be conveniently disassembled and cleaned, the sections of the second filter frame 1005 and the second filter screen 1006 are arc-shaped structures, the second filter frame 1005 is fixed with the frame of the first filter frame 1001 through a fixing plate 1007 and screws, the meshes of the second filter frame 1005 and the second filter screen 1006 are smaller than those of the first filter screen 1002, the engine oil can be filtered again, the second filter frame 1005 and the first filter frame 1001 can be conveniently assembled and disassembled through the fixing plate 1007 and screws, and the use is convenient;

an outer sealing ring 12 is fixed on the outer side of the rotary connecting pipe 11, an inner sealing ring 13 is fixed on the inner side of the rotary connecting pipe 11, an upper shell 14 is installed above the pump body shell 1, a sealing cushion layer 15 is fixed between the upper shell 14 and the pump body shell 1, thread grooves 16 are arranged on the periphery of the pump body shell 1, the pump body shell 1 is connected with the upper shell 14 through bolts, a lubricating mechanism 18 is installed on the outer side of a bearing 17, the lubricating mechanism 18 comprises a liquid storage cavity 1801, a pressing plate 1802, a fixing rod 1803, a piston plate 1804, a sealing ring 1805, a spring 1806, a limiting plate 1807, a liquid inlet pipe 1808 and a flow guide pipe 1809, the liquid storage cavity 1801 is located inside the upper shell 14, a pressing plate 1802 is installed above the liquid storage cavity 1801, the fixing rod 1803 is connected below the pressing plate 1802, a piston plate 1804 is installed below the fixing rod 1803, a piston plate 1804 is installed below the piston plate 1804, a sealing ring 1805 is fixed on the outer side of the piston plate 1804, and a spring 1806 is installed below the piston plate 1804, the well top inner wall in stock solution chamber 1801 is fixed with limiting plate 1807, the outside in stock solution chamber 1801 is connected with feed liquor pipe 1808, and one side that stock solution chamber 1801 is close to bearing 17 is connected with honeycomb duct 1809, stock solution chamber 1801 is linked together through honeycomb duct 1809 and bearing 17's inside, and stock solution chamber 1801 symmetric distribution is in bearing 17's both sides, can lubricate it in leading-in to bearing 17 with stock solution chamber 1801's lubricated liquid through honeycomb duct 1809, pump body housing 1's bottom is fixed with pump seat 19, and the inside of pump seat 19 embeds there is motor 20.

In conclusion, when the oil pump with the environmental protection function and the controllable discharge capacity is used, engine oil firstly enters the oil outlet cavity 7 through the external connection pipe 9, in the process, the first filter frame 1001 and the first filter screen 1002 can primarily filter the engine oil, the meshes of the second filter frame 1005 and the second filter screen 1006 are smaller than those of the first filter screen 1002 to filter the engine oil again, then the engine oil enters the oil pressing cavity 2, at the moment, the motor 20 can drive the rotation shaft 5 to rotate, so as to drive the gear 3 to rotate, then the engine oil flows in the flow passage outside the gear 3, the rotation of the gear 3 can play a role of pressurization, so that the sufficient pressure is ensured to convey the engine oil, in the process of using the rotation shaft 5, the bearing 17 of the oil pump is easy to wear or rust for a long time, and can be lubricated by the lubricating mechanism 18, in advance pours into the inside of stock solution chamber 1801 into through feed liquor pipe 1808 with lubricating liquid, then can press clamp plate 1802 when needing to lubricate, clamp plate 1802 drives piston plate 1804 and extrudes the inside lubricating liquid of stock solution chamber 1801 downwards and makes it enter into bearing 17 position through honeycomb duct 1809 and lubricate it, and machine oil flows out by an oil outlet cavity 7 position at last, can also control the emission size of oil outlet cavity 7 position through valve 8, just so accomplish the whole use that has the controllable oil pump of environmental protection function emission.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a controllable oil pump of environmental protection function emission, includes pump body shell (1), filtering mechanism (10) and lubricated mechanism (18), its characterized in that: the pump body shell (1) is internally provided with an oil pressing cavity (2), a gear (3) is arranged inside the oil pressing cavity (2), external teeth (4) are fixed outside the gear (3), a rotating shaft (5) is arranged in the middle of the gear (3), a bearing (17) is arranged outside the upper portion of the rotating shaft (5), an oil inlet cavity (6) is arranged on one side of the oil pressing cavity (2), an oil outlet cavity (7) is arranged on the other side of the oil pressing cavity (2), a valve (8) is arranged outside the oil outlet cavity (7), an outer connecting pipe (9) is arranged outside the oil inlet cavity (6), a rotary connecting pipe (11) is fixed on one side, close to the oil inlet cavity (6), of the outer connecting pipe (9), a filtering mechanism (10) is arranged inside the outer connecting pipe (9), and an outer sealing ring (12) is fixed outside the rotary connecting pipe (11), and the inboard of rotatory takeover (11) is fixed with inner seal circle (13), casing (14) are installed to the top of pump body shell (1), and go up and be fixed with between casing (14) and the pump body shell (1) seal cushion layer (15), be provided with thread groove (16) all around of pump body shell (1), and pass through bolted connection between pump body shell (1) and last casing (14), lubrication mechanism (18) are installed in the outside of bearing (17), the bottom of pump body shell (1) is fixed with pump seat (19), and the inside of pump seat (19) embeds there is motor (20), lubrication mechanism (18) are including stock solution chamber (1801), clamp plate (1802), dead lever (1803), piston plate (1804), sealing washer (1805), spring (1806), limiting plate (1807), feed liquor pipe (1808) and honeycomb duct (1809), stock solution chamber (1801) is located the inside of last casing (14), and the inside top of stock solution chamber (1801) installs clamp plate (1802), and the below of clamp plate (1802) is connected with dead lever (1803), piston plate (1804) is installed to the below of dead lever (1803), and the outside of piston plate (1804) is fixed with sealing washer (1805), spring (1806) are installed to the below of piston plate (1804), the well upper inside wall of stock solution chamber (1801) is fixed with limiting plate (1807), the outside of stock solution chamber (1801) is connected with feed liquor pipe (1808), and one side that stock solution chamber (1801) is close to bearing (17) is connected with honeycomb duct (1809), stock solution chamber (1801) is linked together through honeycomb duct (1809) and bearing (17) inside, and stock solution chamber (1801) symmetric distribution in the both sides of bearing (17), piston plate (1804) constitutes elastic construction through spring (1806), and piston plate (1804) constitutes integrated structure through dead lever (1803) and clamp plate (1802), and the center of symmetry of the pressure plate (1802) coincides with the center of symmetry of the piston plate (1804).

2. The oil pump with the environment-friendly function and the controllable discharge capacity according to claim 1, is characterized in that: the gear (3) is provided with two groups, external teeth (4) outside the gear (3) are meshed with each other, and the gear (3) and the motor (20) form a rotatable structure through the rotating shaft (5).

3. The oil pump with the environment-friendly function and the controllable discharge capacity according to claim 1, is characterized in that: the filter mechanism (10) is including first filter frame (1001), first filter screen (1002), connecting plate (1003), fixing bolt (1004), second filter frame (1005), second filter screen (1006) and fixed plate (1007), first filter frame (1001) is installed in the inside of external pipe (9), and the inside of first filter frame (1001) is fixed with first filter screen (1002), outside one side of first filter frame (1001) is fixed with connecting plate (1003), and the middle part of connecting plate (1003) is provided with fixing bolt (1004), the inboard of first filter frame (1001) is installed the second and is filtered frame (1005), and the inside of second filter frame (1005) is fixed with second filter screen (1006), the outside both ends that the second filtered frame (1005) are connected with fixed plate (1007).

4. The oil pump with the environmental protection function and the controllable discharge capacity according to claim 3, is characterized in that: the symmetrical centers of the first filter frame (1001) and the first filter screen (1002) are overlapped with the symmetrical center of the external connecting pipe (9), and the first filter frame (1001) forms a detachable structure with the external connecting pipe (9) through a connecting plate (1003) and a fixing bolt (1004).

5. The oil pump with the environmental protection function and the controllable discharge capacity according to claim 3, is characterized in that: the sections of the second filter frame (1005) and the second filter screen (1006) are arc-shaped structures, and the second filter frame (1005) is fixed with the frame of the first filter frame (1001) through a fixing plate (1007) and screws.

6. The oil pump with the environment-friendly function and the controllable discharge capacity according to claim 1, is characterized in that: the external connecting pipe (9) and the rotary connecting pipe (11) are of an integrated structure, and the rotary connecting pipe (11) and the pipeline of the oil inlet cavity (6) are in rotary connection.