Anti-abrasion device of gear oil pump
By designing the oil tank, oil inlet tank and oil storage tank in the gear oil pump, and combining wear-resistant materials and filter components, the problem of lubricating oil being difficult to penetrate is solved, effective lubrication of the gears and impurity filtration are achieved, and transportation quality and efficiency are improved.
Patent Information
- Application Number
- CN202423052205.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In existing gear oil pumps, it is difficult for lubricating oil to penetrate between the meshing gears, resulting in severe wear and affecting transportation quality and efficiency.
An oil groove and an oil inlet groove are designed inside the driven gear. The combination of an oil storage tank and wear-resistant materials ensures that the lubricating oil always maintains a lubricating effect when the gear rotates. The positioning component and filter plate prevent impurities from entering and protect the gear.
It effectively reduces gear wear, improves transportation quality and efficiency, extends the service life of the device, ensures the smooth flow of lubricating oil and filters impurities, and improves the practicality of the device.
Smart Images

Figure CN223411010U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear oil pumps, in particular to an anti-wear device for a gear oil pump. Background Art
[0002] Due to the advantages of stability and high power, gear oil pumps are widely used in shipbuilding, agriculture, mining and metallurgical industries. Gear oil pumps are suitable for conveying various lubricating liquids. Gear oil pumps are very convenient to use because two meshing gears rotate simultaneously until they mesh and then disengage, transferring liquid from the inlet side to the discharge side.
[0003] The outer edges of the gears used in existing gear oil pumps are mostly serrated, which will inevitably wear out during use, resulting in a reduced service life. In addition, when the gears are running, it is difficult for the lubricating oil to penetrate between the meshing gears, which will cause serious gear wear and affect the quality and efficiency of lubricating oil transportation. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides an anti-wear device for a gear oil pump, aiming to improve the problem in the prior art that lubricating oil is difficult to penetrate between the meshing gears, which will affect the transportation quality and efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-wear device of a gear oil pump, comprising a lower pump body, an upper pump body is arranged adjacent to the lower pump body, a driven gear is rotatably connected inside the upper pump body, a motor is fixedly connected to one side of the outer wall of the lower pump body, an output end of the motor is fixedly connected to a driving gear, the driving gear is meshed with the driven gear, and a plurality of tooth ends are fixedly connected to one side of the outer wall of the driving gear and the driven gear, an oil outlet groove is provided inside the driven gear, the upper end of the oil outlet groove is close to the tooth end, the lower end of the oil outlet groove is larger than the upper end, an oil storage groove is provided inside the driven gear, the oil storage groove is used to store lubricating oil, an oil inlet groove is provided inside the driven gear, the oil inlet groove is arc-shaped, and a plurality of oil inlet grooves are provided, and a protective component for protecting the tooth end is installed on one side of the outer wall of the tooth end.
[0006] Furthermore, the protection component includes a wear-resistant material, and the inner wall of the wear-resistant material is fixedly connected to one side of the outer wall of the tooth end.
[0007] Furthermore, an oil inlet pipe is fixedly connected to the upper surface of the lower pump body, one side of the outer wall of the oil inlet pipe is in contact with the lower surface of the upper pump body, the inside of the oil inlet pipe is slidably connected to a limit plate, the upper surface of the limit plate is fixedly connected to a handle, the lower surface of the limit plate is fixedly connected to a filter plate, one side of the outer wall of the filter plate is slidably connected to the inside of the oil inlet pipe, a slot is provided inside the oil inlet pipe, and a positioning component for fixing the limit plate inside the oil inlet pipe is installed inside the limit plate.
[0008] Furthermore, the positioning assembly includes a clamping column, one side of the outer wall of the clamping column is fixedly connected to a connecting plate, one side of the outer wall of the connecting plate is slidably connected to the inner wall of the limiting plate, one side of the outer wall of the connecting plate is fixedly connected to a spring 1, one end of the spring 1 is fixedly connected to the inside of the limiting plate, and one side of the outer wall of the clamping column is slidably connected to the inner wall of the slot.
[0009] Furthermore, an oil outlet pipe is fixedly connected to the lower surface of the upper pump body, one side of the outer wall of the oil outlet pipe is in contact with the upper surface of the lower pump body, an upper mounting plate is fixedly connected to the lower surface of the upper pump body, and a lower mounting plate is fixedly connected to the upper surface of the lower pump body. A positioning cylinder is fixedly connected to the interior of the upper mounting plate, and a positioning hole is provided inside the positioning cylinder.
[0010] Furthermore, a positioning column is fixedly connected to the upper surface of the lower mounting plate, and a second spring is provided inside the positioning column.
[0011] Furthermore, two ends of the spring are fixedly connected with a clamping block, and one side of the outer wall of the clamping block is slidably connected to the inside of the positioning column.
[0012] Furthermore, a sealing block is slidably connected to one side of the outer wall of the positioning column, and the upper surface of the sealing block is in contact with the lower surface of the upper mounting plate.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, an oil outlet groove, an oil inlet groove and an oil storage groove are provided inside the driven gear. When the gear rotates, the lubricating oil enters the oil storage groove through the oil inlet grooves on both sides of the tooth end. Under the action of centrifugal force, the lubricating oil enters between the two tooth ends through the oil outlet groove. At the same time, with the effect of wear-resistant materials, the gears are always lubricated when rotating, thereby reducing the wear between the gears. This solves the problem that it is difficult for the lubricating oil to penetrate between the meshing gears, resulting in serious gear wear and affecting the transportation quality and efficiency, thereby improving the practicality of the device.
[0015] 2. In the utility model, a positioning assembly is provided inside the limit plate. The clamping column in the positioning assembly moves inward to squeeze the spring 1, so that the limit plate and the filter plate can slide inside the oil inlet pipe. The spring 1 is reset to drive the clamping column to be clamped into the clamping groove, so as to achieve the positioning effect of the filter plate. Finally, the front end of the clamping column is provided with a hemispherical body, which facilitates removal and replacement, solves the problem that some impurities may enter the oil pump and wear the gears during the oil transportation process, and thus improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an anti-wear device for a gear oil pump proposed in the present invention;
[0017] Figure 2 This is a schematic cross-sectional view of the upper pump body structure of an anti-wear device for a gear oil pump proposed in the present invention;
[0018] Figure 3 This is a schematic diagram of the motor structure of an anti-wear device for a gear oil pump proposed in the present invention;
[0019] Figure 4 This is a schematic structural diagram of the driven gear portion of an anti-wear device for a gear oil pump proposed in the present invention;
[0020] Figure 5 This is a schematic structural diagram of a filter plate portion of an anti-wear device for a gear oil pump proposed in the present invention;
[0021] Figure 6 This is a schematic structural diagram of the oil inlet pipe portion of an anti-wear device for a gear oil pump proposed in the present invention;
[0022] Figure 7 This is a schematic cross-sectional view of the structure of the positioning column portion of an anti-wear device for a gear oil pump proposed by the present invention.
[0023] Legend:
[0024] 1. Upper pump body; 2. Sealing block; 3. Motor; 4. Driven gear; 5. Tooth end; 6. Lower pump body; 7. Driving gear; 8. Oil outlet groove; 9. Oil inlet groove; 10. Wear-resistant material; 11. Oil storage tank; 12. Oil inlet pipe; 13. Limit plate; 14. Handle; 15. Filter plate; 16. Clamping column; 17. Connecting plate; 18. Spring 1; 19. Clamping groove; 20. Upper mounting plate; 21. Lower mounting plate; 22. Positioning cylinder; 23. Positioning hole; 24. Positioning column; 25. Spring 2; 26. Clamping block; 27. Oil outlet pipe. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] Reference Figure 2 、 Figure 3 and Figure 4 The utility model provides an embodiment of a gear oil pump wear prevention device, including a lower pump body 6, an upper pump body 1 is arranged adjacent to the lower pump body 6, the upper pump body 1 is rotatably connected to the driven gear 4 inside, and the outer wall of the lower pump body 6 is fixedly connected to the motor 3, and the output end of the motor 3 is fixedly connected to the driving gear 7. The driving gear 7 is meshed with the driven gear 4. Through the meshing between the gears, the motor 3 drives them to rotate to achieve the effect of transporting oil. The driving gear 7 and the driven gear 4 are fixedly connected to one side of the outer wall, and a plurality of tooth ends 5 are fixedly connected. An oil outlet groove 8 is opened inside the driven gear 4, and the upper end of the oil outlet groove 8 is close to the tooth end 5. This design allows the lubricating oil to flow out near the tooth end 5. The lower end of the oil outlet groove 8 is larger and the upper end is smaller, which is conducive to forming a reasonable oil flow distribution when the lubricating oil flows out, ensuring that the tooth end 5 can fully contact Lubricating oil, an oil storage tank 11 is provided inside the driven gear 4, and the oil storage tank 11 is used to store lubricating oil. An oil inlet groove 9 is provided inside the driven gear 4, and the oil inlet groove 9 is arc-shaped. Such a shape design matches the arc-shaped structure of the gear, which can make the lubricating oil enter the gear more smoothly. There are multiple oil inlet grooves 9, and multiple oil inlet grooves 9 can increase the number of channels for lubricating oil to enter, thereby improving the efficiency of lubricating oil entry. A protective component for protecting the tooth end 5 is installed on one side of the outer wall of the tooth end 5. The protective component includes a wear-resistant material 10, and the inner wall of the wear-resistant material 10 is fixedly connected to one side of the outer wall of the tooth end 5. During the operation of the gear, the tooth end 5 is the part that bears the most mechanical stress and friction. The wear-resistant material 10 can effectively improve the resistance of the tooth end 5 to friction and reduce the speed at which the tooth end 5 wears due to long-term friction.
[0027] Reference Figure 1 、 Figure 5 、 Figure 6 and Figure 7The upper surface of the lower pump body 6 is fixedly connected with an oil inlet pipe 12, and one side of the outer wall of the oil inlet pipe 12 fits with the lower surface of the upper pump body 1 to ensure the sealing of the oil inlet process. The oil inlet pipe 12 is slidably connected to the limit plate 13 inside, and the upper surface of the limit plate 13 is fixedly connected with a handle 14. The handle 14 is convenient for the operator to pull the limit plate 13 out of the oil inlet pipe 12 for maintenance or replacement of the filter plate 15. The lower surface of the limit plate 13 is fixedly connected with a filter plate 15, and one side of the outer wall of the filter plate 15 is slidably connected to the inside of the oil inlet pipe 12. The filter plate 15 can filter out impurities in the oil entering the oil pump to prevent impurities from damaging gears and other parts. To prevent the oil pump from wearing out, a slot 19 is provided inside the oil inlet pipe 12, and a positioning assembly for fixing the limiting plate 13 inside the oil inlet pipe 12 is installed inside the limiting plate 13. The positioning assembly includes a clamping column 16, one side of the outer wall of the clamping column 16 is fixedly connected to a connecting plate 17, one side of the outer wall of the connecting plate 17 is slidably connected to the inner wall of the limiting plate 13, one side of the outer wall of the connecting plate 17 is fixedly connected to a spring 18, one end of the spring 18 is fixedly connected to the inside of the limiting plate 13, one side of the outer wall of the clamping column 16 is slidably connected to the inner wall of the slot 19, and the positioning assembly can firmly fix the limiting plate 13 on the oil inlet pipe 1 2, prevent the limit plate 13 from accidentally loosening during the operation of the oil pump, ensure the stable operation of the filter plate 15, the lower surface of the upper pump body 1 is fixedly connected with an oil outlet pipe 27, and one side of the outer wall of the oil outlet pipe 27 is in contact with the upper surface of the lower pump body 6 to ensure the sealing of the oil outlet process, the lower surface of the upper pump body 1 is fixedly connected with an upper mounting plate 20, the upper surface of the lower pump body 6 is fixedly connected with a lower mounting plate 21, the interior of the upper mounting plate 20 is fixedly connected with a positioning cylinder 22, the interior of the positioning cylinder 22 is provided with a positioning hole 23, the upper surface of the lower mounting plate 21 is fixedly connected with a positioning column 24, and a spring 25 is provided inside the positioning column 24. 25 are fixedly connected with a clamping block 26 at both ends, and one side of the outer wall of the clamping block 26 is slidably connected to the inside of the positioning column 24. A sealing block 2 is slidably connected to one side of the outer wall of the positioning column 24. The upper surface of the sealing block 2 is in contact with the lower surface of the upper mounting plate 20. The cooperation of the upper mounting plate 20, the lower mounting plate 21, the positioning cylinder 22, the positioning column 24 and other components makes the installation of the upper pump body 1 and the lower pump body 6 more firm and stable. The sealing block 2 further improves the sealing of the connection to prevent oil leakage. The arrangement of the spring 25 and the clamping block 26 enables the positioning column 24 to be automatically clamped when inserted into the positioning cylinder 22, which is convenient for installation and disassembly.
[0028] Working principle: Then start the motor 3, the motor 3 drives the driving gear 7 to rotate, the driving gear 7 is meshed with the driven gear 4, so it drives the driven gear 4 to rotate, and then realizes the effect of transporting lubricating oil; before the lubricating oil enters the gear oil pump, it must pass through the oil inlet pipe 12, and a filter plate 15 is installed in the oil inlet pipe 12. A limit plate 13 is fixed on one side of the outer wall of the filter plate 15, and a positioning component is installed in the limit plate 13. When the limit plate 13 slides into the oil inlet pipe 12, the clamping column 16 moves inward, so the spring 18 is squeezed to enable the limit plate 13 to enter the oil inlet pipe 12. When the clamping column 16 reaches the slot 19, the spring 18 is reset, and the clamping column 16 is clamped in the slot 19. Since one end of the clamping column 16 is a hemispherical design, when removing the filter plate 15, you only need to lift the handle upwards. Hand 14; when the lubricating oil enters the cavity, driven by the motor 3, some lubricating oil flows smoothly into the oil tank 9 and is stored in the oil storage tank 11. Because of the operation of the gears, the centrifugal force drives the lubricating oil in the oil storage tank 11 to flow out through the oil outlet groove 8. The outlet of the oil outlet groove 8 is set smaller, so that the flow rate of the lubricating oil becomes larger, and the lubrication effect on the tooth end is better; the wear-resistant material 10 is alloy carburizing steel; when it is necessary to close or open the pump body, align the positioning column 24 with the positioning cylinder 22, and the block 26 is an inclined triangular design, so the positioning column 24 is directly inserted into the positioning cylinder 22 upward until the block 26 reaches the positioning hole 23, and the spring 25 is reset to clamp the block 26 into the positioning hole 23. When removing the positioning column 24, press the block 26 by hand until the block is out of the positioning hole 23.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A gear oil pump anti-wear device, comprising a lower pump body (6), characterized in that: An upper pump body (1) is adjacently arranged above the lower pump body (6), a driven gear (4) is rotatably connected inside the upper pump body (1), a motor (3) is fixedly connected to one side of the outer wall of the lower pump body (6), an output end of the motor (3) is fixedly connected to a driving gear (7), the driving gear (7) is meshed with the driven gear (4), a plurality of tooth ends (5) are fixedly connected to one side of the outer wall of the driving gear (7) and the driven gear (4), and the driven gear (4) is internally fixedly connected to the driven gear (4). An oil outlet groove (8) is provided on the inside of the driven gear (4), the upper end of the oil outlet groove (8) is close to the tooth end (5), the lower end of the oil outlet groove (8) is larger than the upper end, an oil storage groove (11) is provided inside the driven gear (4), the oil storage groove (11) is used to store lubricating oil, an oil inlet groove (9) is provided inside the driven gear (4), the oil inlet groove (9) is arc-shaped, and a plurality of oil inlet grooves (9) are provided, and a protection component for protecting the tooth end (5) is installed on one side of the outer wall of the tooth end (5).
2. The anti-wear device for a gear oil pump according to claim 1, characterized in that: The protection component comprises a wear-resistant material (10), and the inner wall of the wear-resistant material (10) is fixedly connected to one side of the outer wall of the tooth end (5).
3. The anti-wear device for a gear oil pump according to claim 1, characterized in that: The upper surface of the lower pump body (6) is fixedly connected with an oil inlet pipe (12), one side of the outer wall of the oil inlet pipe (12) is in contact with the lower surface of the upper pump body (1), the interior of the oil inlet pipe (12) is slidably connected with a limit plate (13), the upper surface of the limit plate (13) is fixedly connected with a handle (14), the lower surface of the limit plate (13) is fixedly connected with a filter plate (15), one side of the outer wall of the filter plate (15) is slidably connected to the interior of the oil inlet pipe (12), a card slot (19) is provided inside the oil inlet pipe (12), and a positioning component for fixing the limit plate (13) inside the oil inlet pipe (12) is installed inside the limit plate (13).
4. The anti-wear device for a gear oil pump according to claim 3, characterized in that: The positioning assembly includes a clamping column (16), one side of the outer wall of the clamping column (16) is fixedly connected to a connecting plate (17), one side of the outer wall of the connecting plate (17) is slidably connected to the inner wall of the limiting plate (13), one side of the outer wall of the connecting plate (17) is fixedly connected to a spring (18), one end of the spring (18) is fixedly connected to the inside of the limiting plate (13), and one side of the outer wall of the clamping column (16) is slidably connected to the inner wall of the clamping groove (19).
5. The anti-wear device for a gear oil pump according to claim 3, characterized in that: The lower surface of the upper pump body (1) is fixedly connected to an oil outlet pipe (27), one side of the outer wall of the oil outlet pipe (27) is in contact with the upper surface of the lower pump body (6), the lower surface of the upper pump body (1) is fixedly connected to an upper mounting plate (20), the upper surface of the lower pump body (6) is fixedly connected to a lower mounting plate (21), the interior of the upper mounting plate (20) is fixedly connected to a positioning cylinder (22), and a positioning hole (23) is provided inside the positioning cylinder (22).
6. The anti-wear device for a gear oil pump according to claim 5, characterized in that: A positioning column (24) is fixedly connected to the upper surface of the lower mounting plate (21), and a second spring (25) is arranged inside the positioning column (24).
7. The anti-wear device for a gear oil pump according to claim 6, characterized in that: The two ends of the spring (25) are fixedly connected with a clamping block (26), and one side of the outer wall of the clamping block (26) is slidably connected to the inside of the positioning column (24).
8. The anti-wear device for a gear oil pump according to claim 7, characterized in that: A sealing block (2) is slidably connected to one side of the outer wall of the positioning column (24), and the upper surface of the sealing block (2) is in contact with the lower surface of the upper mounting plate (20).