Roller shaft with inclined oil holes
By setting oblique oil holes and positive oil holes on the roller shaft and combining radial groove design, the problem of poor oil storage effect of the existing roller shaft is solved, and better oil storage effect and easy processing are achieved.
Patent Information
- Application Number
- CN202422784089.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The existing oil storage hole structure of the roller shaft has deficiencies and needs to be improved to enhance the oil storage effect.
An inclined oil hole and a normal oil hole are set on the roller shaft to form a preset angle between their axes, and are connected through fluid, combined with a radial groove design to enhance the oil storage effect.
It achieves better oil storage effect, has a simple structure and is easy to process.
Smart Images
Figure CN223330947U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a roller shaft, in particular to a roller shaft with an oblique oil hole. Background Art
[0002] The roller shaft is a common component and a key element of a roller bearing. Providing an oil reservoir on the roller shaft is a common design. In one prior art design, the oil reservoir is recessed perpendicular to the axis of the roller shaft to a predetermined depth. While this oil reservoir structure has advantages, it also has significant disadvantages. Therefore, there is an urgent need for an oil reservoir structure that differs from this prior art. Summary of the Invention
[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a roller shaft with an oblique oil hole.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a roller shaft with an inclined oil hole, the roller shaft having an outer surface, an inclined oil hole and a positive oil hole being opened on the roller shaft, the inclined oil hole having an axis, the positive oil hole having an axis, the roller shaft having an axis, and a preset angle being formed between the axis of the inclined oil hole and the axis of the roller shaft; the axis of the positive oil hole and the axis of the roller shaft being perpendicular; the inclined oil hole and the positive oil hole being fluidically connected.
[0005] Furthermore, the angle between the axis of the inclined oil hole and the axis of the roller shaft is greater than 0 degrees and less than 90 degrees.
[0006] Furthermore, a first groove is provided on the roller shaft, and the first groove is formed from the outer surface of the roller shaft along the radial inward groove of the roller shaft to a preset depth, and the inclined oil hole is formed by extending obliquely from the first groove to a preset depth.
[0007] Furthermore, a second groove is provided on the roller shaft, and the second groove is formed from the outer surface of the roller shaft along the radial inward direction of the roller shaft to a preset depth.
[0008] Furthermore, the cross section of the inclined oil hole is elliptical.
[0009] Furthermore, the cross section of the positive oil hole is circular.
[0010] Furthermore, both ends of the roller shaft are provided with chamfers of preset angles.
[0011] The beneficial effects of the present application are: the roller shaft with inclined oil holes provided by the present application has a simple structure and is easy to process. Compared with the roller shaft in the prior art that only has a positive oil hole, the roller shaft provided by the present application is also provided with an inclined oil hole, which has a better oil storage effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural schematic diagram of a roller shaft with an oblique oil hole provided by the utility model.
[0013] Figure 2 for Figure 1 The sectional view of a roller shaft with an inclined oil hole along the BB section is shown in FIG.
[0014] Figure 3 This is another structural schematic diagram of a roller shaft with an oblique oil hole provided by the utility model.
[0015] Figure 4 for Figure 3 A cross-sectional view of a roller shaft with an inclined oil hole along section AA is shown in FIG. DETAILED DESCRIPTION
[0016] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.
[0017] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various implementations, and the operational steps involved in each embodiment may be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a particular embodiment and do not imply a required composition and / or sequence.
[0018] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).
[0019] Please refer to Figure 1-4 The present application provides a roller shaft with an oblique oil hole (hereinafter referred to as a roller shaft), the roller shaft 1 having an outer surface 11, an oblique oil hole 12 and a positive oil hole 13 being opened on the roller shaft 1, the oblique oil hole 12 having an axis 120, the positive oil hole 13 having an axis 130, the roller shaft 1 having an axis 10, and a preset angle being formed between the axis 120 of the oblique oil hole 12 and the axis 10 of the roller shaft 1; the axis 130 of the positive oil hole 13 and the axis 10 of the roller shaft 1; the oblique oil hole 12 and the positive oil hole 13 being fluidically connected.
[0020] In one embodiment of the present application, the angle between the axis 120 of the inclined oil hole 12 and the axis 10 of the roller shaft 1 is greater than 0 degrees and less than 90 degrees.
[0021] In one embodiment of the present application, a first groove 110 is provided on the roller shaft 1. The first groove 110 is formed from the outer surface 11 of the roller shaft 1 along the radially inward groove of the roller shaft 1 to a preset depth, and the inclined oil hole 12 is formed by extending obliquely from the first groove 110 to a preset depth.
[0022] In one embodiment of the present application, a second groove 14 is provided on the roller shaft 1 . The second groove 14 is formed from the outer surface 11 of the roller shaft 1 along the radial inward groove of the roller shaft 1 to a preset depth.
[0023] In one embodiment of the present application, the cross section of the inclined oil hole 12 is elliptical.
[0024] In one embodiment of the present application, the cross section of the positive oil hole 13 is circular.
[0025] In one embodiment of the present application, both ends of the roller shaft 1 are provided with chamfers of preset angles.
[0026] The roller shaft with inclined oil holes provided in the present application has a simple structure and is easy to process. Compared with the roller shaft in the prior art that only has a positive oil hole, the roller shaft provided in the present application is also provided with an inclined oil hole, which has a better oil storage effect.
[0027] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.
Claims
1. A roller shaft with an oblique oil hole, characterized in that: The roller shaft has an outer surface, and an oblique oil hole and a positive oil hole are opened on the roller shaft. The oblique oil hole has an axis, the positive oil hole has an axis, and the roller shaft has an axis. There is a preset angle between the axis of the oblique oil hole and the axis of the roller shaft; the axis of the positive oil hole is perpendicular to the axis of the roller shaft; the oblique oil hole and the positive oil hole are fluidically connected.
2. The roller shaft with an oblique oil hole according to claim 1, characterized in that: The included angle between the axis of the inclined oil hole and the axis of the roller shaft is greater than 0 degrees and less than 90 degrees.
3. The roller shaft with an oblique oil hole according to claim 2, characterized in that: The roller shaft is provided with a first groove, which is formed from the outer surface of the roller shaft along the radial inward groove of the roller shaft to a preset depth, and the inclined oil hole is formed by extending obliquely from the first groove to a preset depth.
4. The roller shaft with an oblique oil hole according to claim 3, characterized in that: The roller shaft is provided with a second groove, which is formed from the outer surface of the roller shaft along the radial inward direction of the roller shaft to a preset depth.
5. The roller shaft with an oblique oil hole according to claim 1, characterized in that: The cross section of the inclined oil hole is elliptical.
6. The roller shaft with an oblique oil hole according to claim 1, characterized in that: The cross section of the positive oil hole is circular.
7. The roller shaft with an oblique oil hole according to claim 1, characterized in that: Both ends of the roller shaft are provided with chamfers of preset angles.