Improved structure of bearing oil return hole
By setting up steering heads and oil pipes in the bearing degeneration, the position of the oil outlet is adjusted to solve the problem of disassembly difficulty caused by the fixation of the oil blocking position in the existing technology, and the maintenance efficiency of the motor is improved.
Patent Information
- Application Number
- CN202421453536.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-25
AI Technical Summary
In the prior art, the fixed position of the oil outlet wire of the motor bearing is fixed, which will cause the motor maintenance time to be greatly increased if the position is inconvenient during disassembly.
By setting the steering head and connecting the oil out of the oil to the inner wall of the oil pipe, use the rotation to the head to adjust the angle of the oil pipe, and the synchronous movement will turn the oil out of the oil to the angle of convenient disassembly.
It improved the efficiency of maintenance, simplified the disassembly process of oil -out -out, and reduced the maintenance time of the motor.
Smart Images
Figure CN222415675U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of oil withdrawal holes, in particular to an improved structure of an oil withdrawal hole for a bearing. Background Art
[0002] The oil withdrawal hole is also called the oil outlet hole, and is generally arranged inside the end cover together with the oil inlet hole. The input end of the oil inlet hole and the output end of the oil outlet hole are aligned with the ball groove of the motor bearing. In the prior art, during the maintenance of the motor, in order to ensure the service life of the motor bearing, the lubricating oil in the motor bearing needs to be replaced.
[0003] In the prior art, since the distance between the end of the end cover and the end face of the equipment is generally narrow, and the position of the oil outlet hole is generally fixed, the position of the oil outlet plugging wire is also fixed. After the motor is installed, the position of the oil outlet plugging wire cannot be changed. Therefore, when removing the oil outlet plugging wire connected to the oil outlet hole, if the position of the oil outlet plugging wire is not convenient for removal, the maintenance time of the motor will be greatly increased. Utility Model Content
[0004] The purpose of the utility model is to provide an improved structure of a bearing oil withdrawal hole in order to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved structure of a bearing oil withdrawal hole, comprising an end cover, wherein an oil inlet hole and an oil outlet hole are provided inside the end cover, wherein the oil inlet hole is used to provide a movement channel for the injected lubricating oil, and the oil outlet hole is used to provide a movement channel for the extruded lubricating oil;
[0006] A first threaded hole is formed on the inner wall of the opening of the oil inlet hole, and an oil inlet plugging wire is connected to the opening of the oil inlet hole through the first threaded hole;
[0007] The interior of the end cover is rotatably connected to a steering head located outside the oil outlet hole, the diameter of the upper half of the steering head is larger than the diameter of the lower half of the steering head, an oil outlet cavity is opened inside the steering head, and the top of the oil outlet cavity has an opening structure.
[0008] As a further solution of the utility model: the outer wall of the lower half of the steering head is formed with an oil outlet pipe protruding outward, and the inner cavity of the oil outlet pipe is communicated with the inner cavity of the oil outlet cavity.
[0009] As a further solution of the utility model: the oil outlet pipe is connected with an oil outlet blocking wire through the second threaded hole.
[0010] As a further solution of the utility model: the inner cavity of the oil outlet cavity is aligned with the inner cavity opening of the oil outlet hole.
[0011] As a further solution of the utility model: a rotating groove body for rotating the upper half of the oil outlet cavity is provided inside the end cover.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. By setting a steering head and connecting the oil outlet plugging wire to the inner wall of the oil outlet pipe, when removing the oil outlet plugging wire, the steering head can be hooked and rotated. During the rotation process, the angle of the oil outlet pipe can be adjusted. Similarly, the oil outlet pipe drives the oil outlet plugging wire to move synchronously, so that the oil outlet plugging wire can be rotated to an angle that is convenient for disassembly, thereby improving the efficiency of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0016] Figure 3 For the utility model Figure 2 A partial enlarged view of the middle part;
[0017] Figure 4 It is a schematic diagram of the internal structure of the steering head of the utility model.
[0018] In the figure: 1, end cover; 2, oil inlet hole; 3, oil outlet hole; 4, steering head; 5, first threaded hole; 6, oil outlet chamber; 7, oil outlet pipe; 8, second threaded hole. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1 to Figure 4 In an embodiment of the utility model, an improved structure of an oil withdrawal hole of a bearing comprises an end cover 1, an oil inlet hole 2 and an oil outlet hole 3 are provided inside the end cover 1, the oil inlet hole 2 is used to provide a moving channel for the injected lubricating oil, and the oil outlet hole 3 is used to provide a moving channel for the extruded lubricating oil; a first threaded hole 5 is provided on the inner wall of the opening of the oil inlet hole 2, and an oil inlet plugging wire is connected to the opening of the oil inlet hole 2 through the first threaded hole 5; a steering head 4 is rotatably connected to the outside of the oil outlet hole 3 inside the end cover 1, the diameter of the upper half of the steering head 4 is larger than the diameter of the lower half of the steering head 4, an oil outlet cavity 6 is provided inside the steering head 4, and the top of the oil outlet cavity 6 has an opening structure.
[0021] In this embodiment: when it is necessary to replace the bearing lubricating oil inside the motor, first rotate the oil inlet plugging wire. Due to the external thread of the outer wall of the oil inlet plugging wire, the external thread engages with the first threaded hole 5. Therefore, in the process of twisting the oil inlet plugging wire, the oil inlet plugging wire is separated from the oil inlet hole 2 during the rotation process. At this time, align the port of the oil filling gun with the oil inlet opening of the oil inlet hole 2, and then oil can be added to the bearing through the oil inlet hole 2. The added lubricating oil squeezes the lubricating oil that needs to be replaced, and under the squeezing force, the replaced lubricating oil is discharged through the oil outlet hole 3.
[0022] Please refer to Figure 3 and Figure 4 The outer wall of the lower half of the steering head 4 is formed with an oil outlet pipe 7 protruding outward, the inner cavity of the oil outlet pipe 7 is communicated with the inner cavity of the oil outlet cavity 6, and the oil outlet pipe 7 is connected with an oil outlet plugging wire through a second threaded hole 8.
[0023] In this embodiment: when discharging the replaced lubricating oil, the external thread of the oil outlet plugging wire is engaged with the second threaded hole 8 by twisting the oil outlet plugging wire, so that the oil outlet plugging wire moves outward while rotating until the oil outlet plugging wire is completely separated from the oil outlet pipe 7. If the position of the end cover 1 is relatively narrow, the oil outlet pipe 7 is pulled by using a tool (such as a small iron hook formed by bending an iron wire), and the oil outlet pipe 7 subjected to force drives the steering head 4 to rotate to a suitable position, and then the oil outlet plugging wire is removed;
[0024] The squeezed lubricating oil to be discharged can enter the oil outlet cavity 6 through the oil outlet hole 3 and be discharged through the oil outlet pipe 7, which is convenient for installing and disassembling the oil outlet plug.
[0025] Please refer to Figure 4 The inner cavity of the oil outlet cavity 6 is aligned with the inner cavity opening of the oil outlet hole 3.
[0026] In this embodiment, the lubricating oil entering the oil outlet hole 3 is discharged into the interior of the oil outlet pipe 7 through the oil outlet cavity 6 .
[0027] Please refer to Figure 2 A rotating groove body is provided inside the end cover 1 for the upper part of the steering head 4 to rotate.
[0028] In this embodiment, when the steering head 4 rotates, the upper half of the steering head 4 rotates on the inner wall of the rotating groove body.
[0029] What is described above 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 improved structure of a bearing oil withdrawal hole, comprising an end cover (1), characterized in that: An oil inlet hole (2) and an oil outlet hole (3) are provided inside the end cover (1), wherein the oil inlet hole (2) is used to provide a movement channel for the injected lubricating oil, and the oil outlet hole (3) is used to provide a movement channel for the extruded lubricating oil; A first threaded hole (5) is formed on the inner wall of the opening of the oil inlet hole (2), and an oil inlet plugging thread is connected to the opening of the oil inlet hole (2) through the first threaded hole (5); The interior of the end cover (1) is rotatably connected to a steering head (4) located outside the oil outlet hole (3); the diameter of the upper half of the steering head (4) is larger than the diameter of the lower half of the steering head (4); an oil outlet cavity (6) is provided inside the steering head (4); and the top of the oil outlet cavity (6) has an opening structure.
2. The improved structure of the bearing oil withdrawal hole according to claim 1, characterized in that: An outer wall of the lower half of the steering head (4) is formed with an oil outlet pipe (7) protruding outwards, and the inner cavity of the oil outlet pipe (7) is communicated with the inner cavity of the oil outlet cavity (6).
3. The improved structure of the bearing oil withdrawal hole according to claim 2, characterized in that: The oil outlet pipe (7) is connected to an oil outlet plugging thread via a second threaded hole (8).
4. The improved structure of the bearing oil withdrawal hole according to claim 3 is characterized in that: The inner cavity of the oil outlet cavity (6) is aligned with the inner cavity opening of the oil outlet hole (3).
5. The improved structure of the bearing oil withdrawal hole according to claim 4, characterized in that: A rotating groove body for the upper part of the oil outlet cavity (6) to rotate is provided inside the end cover (1).