Oil pump gear anti-falling structure

Abstract

The utility model relates to the field of oil pump gears, in particular to an oil pump gear anti-disengaging structure which comprises an oil pump body, one end of the oil pump body is provided with an oil pump shaft, one end of the oil pump shaft is fixedly connected with a limiting block, and one end of the oil pump shaft is connected with a gear in a sliding mode. When the device is used, the sliding rod can be pulled through the pulling plate, the sliding rod enables the connecting plate to be close to the U-shaped plate, the limiting spring shrinks, the circular clamping block is taken out of the circular groove, and the limiting block on the oil pump shaft enters the sliding groove through the rectangular groove; when the sliding rod is loosened, the elasticity of the limiting spring enables the connecting plate to be tightly attached to one side of the oil pump shaft, the circular clamping block is tightly attached to the circular groove, the gear is limited through the limiting block and the limiting groove, the oil pump body and the gear can be fixed through the structure, the gear is prevented from falling off from the oil pump body, and meanwhile the gear can be conveniently replaced at any time.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pump gears, in particular to an anti-dropping structure for oil pump gears. Background Art

[0002] The gear oil pump is mainly composed of gears, shafts, pump bodies, pump covers, bearing sleeves and shaft end seals. The gears are nitrided and have high hardness and wear resistance. When the pump is working, the lubrication of all parts in the pump can be automatically achieved by using the conveying medium. The gear oil pump has a simple and compact structure and is easy to use and maintain.

[0003] Usually, gears and oil pumps are often fixed together by bolts. During long-term operation, vibrations may cause the bolts to loosen and the gears to separate from the oil pump, thereby causing the oil pump to malfunction and affect work efficiency. Furthermore, it is inconvenient to replace gears when fixed by bolts. Therefore, an oil pump gear anti-detachment structure is proposed. Utility Model Content

[0004] The utility model aims to solve the problems that during the long-term operation of the existing gear oil pump, vibration may cause the bolts to loosen, the gears and the oil pump to separate, thus causing the oil pump to malfunction, affecting the working efficiency, and it is inconvenient to replace the gears by fixing with bolts, and proposes an oil pump gear anti-detachment structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An oil pump gear anti-slip structure comprises an oil pump body, one end of the oil pump body is provided with an oil pump shaft, one end of the oil pump shaft is fixedly connected to a limiting block, and one end of the oil pump shaft is slidably connected to a gear.

[0007] Preferably, a sliding groove is provided on the inner wall of the gear, a rectangular groove is provided on one side of the gear, a limiting groove is provided in the sliding groove, and the limiting groove is slidably connected to the limiting block.

[0008] Preferably, a circular groove is formed at one end of the oil pump shaft, a circular clamping block is slidably connected to the circular groove, and a connecting plate is fixedly connected to one side of the circular clamping block.

[0009] Preferably, a U-shaped plate is fixedly connected to one side of the gear, a sliding hole is formed on the U-shaped plate, and a sliding rod is slidably connected in the sliding hole.

[0010] Preferably, one end of the sliding rod is fixedly connected to the connecting plate, one side of the connecting plate is fixedly connected to a limit spring, and one end of the limit spring is fixedly connected to the U-shaped plate.

[0011] Preferably, one end of the sliding rod is fixedly connected to a pull plate, the pull plate is located on one side of the U-shaped plate, and the connecting plate is slidably connected to one end of the oil pump shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the device is in use, the sliding rod can be pulled by the pull plate, and the sliding rod makes the connecting plate close to the U-shaped plate, the limit spring contracts, the circular clamping block is taken out from the circular groove, and the limit block on the oil pump shaft enters the sliding groove through the rectangular groove. When the limit block is rotated into the limit groove, the elasticity of the limit spring of the sliding rod is released to make the connecting plate close to one side of the oil pump shaft, and the circular clamping block close to the circular groove. The limit block and the limit groove limit the gear. This structure can fix the oil pump body and the gear without the need for bolts to fix, thereby preventing the gear from falling off the oil pump body. At the same time, it is convenient to replace the gear at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an oil pump gear anti-slip structure proposed by the utility model;

[0015] Figure 2 A three-dimensional structural diagram of the connection relationship between a connecting plate and an oil pump shaft of an oil pump gear anti-slip structure proposed by the utility model;

[0016] Figure 3 A three-dimensional structural diagram of the connection relationship between a limit block and a limit groove of an oil pump gear anti-slip structure proposed by the utility model;

[0017] Figure 4 A three-dimensional structural diagram of the positional relationship between the sliding groove and the limiting groove of an oil pump gear anti-slip structure proposed by the utility model;

[0018] Figure 5 This is a three-dimensional structural schematic diagram of the positional relationship between a circular groove and an oil pump shaft of an oil pump gear anti-slip structure proposed by the utility model.

[0019] In the figure: 1. oil pump body; 2. oil pump shaft; 3. limit block; 4. gear; 5. sliding groove; 6. rectangular groove; 7. limit groove; 8. circular groove; 9. circular clamping block; 10. connecting plate; 11. U-shaped plate; 12. sliding rod; 13. limit spring; 14. pull plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-Figure 5 An oil pump gear anti-slip structure comprises an oil pump body 1, one end of the oil pump body 1 is provided with an oil pump shaft 2, one end of the oil pump shaft 2 is fixedly connected to a limiting block 3, and one end of the oil pump shaft 2 is slidably connected to a gear 4.

[0022] Furthermore, a sliding groove 5 is provided on the inner wall of the gear 4 , a rectangular groove 6 is provided on one side of the gear 4 , a limiting groove 7 is provided in the sliding groove 5 , and the limiting groove 7 is slidably connected to the limiting block 3 .

[0023] The limiting block 3 enters the sliding groove 5 through the rectangular groove 6 , and the gear 4 is rotated to make the limiting block 3 enter the limiting groove 7 to limit the gear 4 .

[0024] Furthermore, a circular groove 8 is formed at one end of the oil pump shaft 2 , a circular clamping block 9 is slidably connected to the circular groove 8 , and a connecting plate 10 is fixedly connected to one side of the circular clamping block 9 .

[0025] The gear 4 is fixed by a circular clamping block 9 in the circular groove 8 to prevent it from loosening and coming off the oil pump body 1 .

[0026] Furthermore, a U-shaped plate 11 is fixedly connected to one side of the gear 4 , a sliding hole is formed on the U-shaped plate 11 , and a sliding rod 12 is slidably connected in the sliding hole.

[0027] The sliding rod 12 is pulled down to slide back and forth in the sliding hole, thereby tightly fixing the oil pump body 1 and the gear 4 to prevent the gear 4 from falling off the oil pump shaft 2 .

[0028] Furthermore, one end of the sliding rod 12 is fixedly connected to the connecting plate 10 , one side of the connecting plate 10 is fixedly connected to a limit spring 13 , and one end of the limit spring 13 is fixedly connected to the U-shaped plate 11 .

[0029] Among them, pull the sliding rod 12 to make the connecting plate 10 close to the U-shaped plate 11, the limit spring 13 contracts, the circular block 9 is taken out of the circular groove 8, the limit block 3 is taken out of the limit groove 7, slides along the sliding groove 5, and is taken out of the rectangular groove 6 to separate the gear 4 from the oil pump shaft 2.

[0030] Furthermore, one end of the sliding rod 12 is fixedly connected with a pull plate 14 , the pull plate 14 is located on one side of the U-shaped plate 11 , and the connecting plate 10 is slidably connected to one end of the oil pump shaft 2 .

[0031] The connecting plate 10 can be moved away from the oil pump shaft 2 by pulling the sliding rod 12 through the pulling plate 14 .

[0032] The working principle of this utility model:

[0033] The sliding rod 12 is pulled by the pull plate 14, and the sliding rod 12 makes the connecting plate 10 close to the U-shaped plate 11, the limit spring 13 contracts, and the circular block 9 is taken out from the circular groove 8, and the limit block 3 on the oil pump shaft 2 enters the sliding groove 5 through the rectangular groove 6. When the limit block 3 rotates to the limit groove 7, the sliding rod 12 is released. The elasticity of the limit spring 13 makes the connecting plate 10 close to one side of the oil pump shaft 2, and the circular block 9 closes to the circular groove 8. The limit block 3 and the limit groove 7 limit the gear 4. This structure can fix the oil pump body 1 and the gear 4 without bolts, which avoids the gear 4 from falling off from the oil pump body 1 during operation. At the same time, it is convenient to replace the gear 4 at any time.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An oil pump gear anti-slip structure, comprising an oil pump body (1), characterized in that: An oil pump shaft (2) is provided at one end of the oil pump body (1), one end of the oil pump shaft (2) is fixedly connected to a limit block (3), and one end of the oil pump shaft (2) is slidably connected to a gear (4).

2. The oil pump gear anti-slip structure according to claim 1, characterized in that: The inner wall of the gear (4) is provided with a sliding groove (5), one side of the gear (4) is provided with a rectangular groove (6), a limiting groove (7) is provided in the sliding groove (5), and the limiting groove (7) is slidably connected to the limiting block (3).

3. The oil pump gear anti-slip structure according to claim 1, characterized in that: A circular groove (8) is formed at one end of the oil pump shaft (2), a circular clamping block (9) is slidably connected to the circular groove (8), and a connecting plate (10) is fixedly connected to one side of the circular clamping block (9).

4. The oil pump gear anti-slip structure according to claim 1, characterized in that: A U-shaped plate (11) is fixedly connected to one side of the gear (4), a sliding hole is provided on the U-shaped plate (11), and a sliding rod (12) is slidably connected in the sliding hole.

5. The oil pump gear anti-slip structure according to claim 4, characterized in that: One end of the sliding rod (12) is fixedly connected to the connecting plate (10), one side of the connecting plate (10) is fixedly connected to a limit spring (13), and one end of the limit spring (13) is fixedly connected to the U-shaped plate (11).

6. The oil pump gear anti-slip structure according to claim 5, characterized in that: One end of the sliding rod (12) is fixedly connected to a pull plate (14), the pull plate (14) is located on one side of the U-shaped plate (11), and the connecting plate (10) is slidably connected to one end of the oil pump shaft (2).

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