Oil groove with novel structure
By designing a new structural oil tank, including an annular core plate, a first friction strip and a second friction strip, and adding multiple triangular oil tanks and through grooves thereto, the problems of increased drag torque and insufficient heat dissipation performance caused by the smaller gap between the friction plate and the steel sheet are solved, and better lubrication and heat dissipation effects are achieved.
Patent Information
- Application Number
- CN202421472362.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The gap between the friction plate and the steel plate becomes smaller, resulting in a larger drag torque generated by the oil film in the middle during idle rotation, and the heat dissipation performance of the friction plate needs to be improved.
A new structural oil groove is designed, including an annular core plate, a first friction strip and a second friction strip. The inner circle of the annular core plate is provided with splines. The first friction strip and the second friction strip are arranged along the radial direction of the annular core plate to form a plurality of triangular oil grooves and through grooves, increasing the number of oil grooves and oil lubrication capabilities.
By increasing the number of oil tanks and designing triangular openings, the shear resistance of lubricating oil between the friction materials is reduced, and the heat dissipation and over-oil lubrication capability of the friction sheet are improved.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil tank structures, in particular to an oil tank with a new structure. Background Art
[0002] In recent years, the demand for low fuel consumption of automobiles has been increasing. In automatic transmissions, in order to reduce the power loss of the clutch when it is not engaged, it is also required to reduce the drag torque between the friction plate and the steel plate. However, in recent years, in order to improve the speed change responsiveness for the purpose of improving power performance while improving fuel efficiency, there is a tendency that the gap between the friction plate and the steel plate is smaller than before, the drag torque generated by the oil film in the middle during idling is larger, and the heat dissipation performance of the friction plate still needs to be improved. Utility Model Content
[0003] In order to solve the problem that the gap between the friction plate and the steel plate is smaller than before, the drag torque generated by the oil film in the middle becomes larger during idling, and the heat dissipation performance of the friction plate still needs to be improved; the purpose of the utility model is to provide a new structural oil tank.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a new structural oil groove, including an annular core plate, a first friction strip and a second friction strip, the inner circle of the annular core plate is provided with a spline, the annular core plate has a first surface and a second surface opposite to the first surface, the first surface and the second surface of the annular core plate are fixedly provided with a first friction strip and a second friction strip in the shape of a spacer strip and arranged along the radial direction of the annular core plate, a second triangular oil groove is formed between the first friction strip and the second friction strip, a first triangular oil groove is provided above the first friction strip, and a straight groove is formed between the first friction strip and the second friction strip adjacent to each other in the clockwise direction.
[0005] Preferably, there are a plurality of splines, and the splines are distributed in an annular array on the inner circle of the annular core plate, the first friction strip and the second friction strip are symmetrically distributed, there are a plurality of first friction strips, and the first friction strips are distributed in an annular array on the outer surface of the annular core plate, there are a plurality of second friction strips, and the second friction strips are distributed in an annular array on the outer surface of the annular core plate, there are a plurality of first triangular oil grooves, and the first triangular oil grooves are distributed in an annular array on the outer surface of the annular core plate.
[0006] Compared with the prior art, the beneficial effects of the present invention are:
[0007] The utility model is that the paper base is distributed as a single individual, the depth of the oil groove is the thickness of the paper base, and the general shape of the paper base design is a two-stage polygonal circumference uniformly staggered positive and negative distribution. While retaining the usual radial oil grooves, the design increases the oil grooves in the circumferential direction, increases the number of oil grooves, improves the oil lubrication capacity, thereby better taking away the heat from the surface of the friction plate, improves the heat dissipation, and increases the triangular opening on the outer diameter side, which is beneficial to reducing the shear resistance of the lubricating oil between the friction materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0009] Figure 1 It is a schematic diagram of the structure of the utility model.
[0010] Figure 2 For this utility model Figure 1 Enlarged structural diagram at point C in the middle.
[0011] In the figure: 1, annular core plate; 2, first friction strip; 3, second friction strip; 4, straight groove; 5, first triangular oil groove; 6, second triangular oil groove; 7, spline. DETAILED DESCRIPTION
[0012] 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.
[0013] Example: Figure 1-2As shown, the utility model provides a novel structural oil groove, including an annular core plate 1, a first friction strip 2 and a second friction strip 3, a spline 7 is provided on the inner circle of the annular core plate 1, a plurality of splines 7 are provided, and the splines 7 are distributed in an annular array on the inner circle of the annular core plate 1, the annular core plate 1 has a first surface and a second surface opposite to the first surface, the first surface and the second surface of the annular core plate 1 are fixedly provided with a first friction strip 2 and a second friction strip 3 in the shape of spaced strips and arranged along the radial direction of the annular core plate 1, the first friction strip 2 and the second friction strip 3 are symmetrically distributed, and a second triangular oil groove 6 is formed between the first friction strip 2 and the second friction strip 3 (size range: 1.0-3.0 mm, angle at B: 100°-170°), a plurality of first friction strips 2 are provided, and the first friction strips 2 are distributed in an annular array on the outer surface of the annular core plate 1, and a first friction strip 2 is provided above the first friction strip 2. A triangular oil groove 5 (angle at point A: 100°~170°), a plurality of second friction strips 3 are provided, and the second friction strips 3 are distributed in a circular array on the outer surface of the annular core plate 1, and a straight groove 4 is formed between the first friction strip 2 and the second friction strip 3 adjacent to each other in the clockwise direction (size range: 1.0~3.0mm). A plurality of first triangular oil grooves 5 are provided, and the first triangular oil grooves 5 are distributed in a circular array on the outer surface of the annular core plate 1. The feature of this product is that the paper base is distributed as a single individual, the oil groove depth is the paper base thickness, and the general shape of the paper base design is a two-stage polygonal circumferentially uniformly staggered distribution. While retaining the usual radial oil grooves, the design increases the oil grooves in the circumferential direction, increases the number of oil grooves, and improves the oil lubrication ability, thereby better taking away the heat from the friction plate surface, improving the heat dissipation, and adding a triangular opening on the outer diameter side, which is beneficial to reducing the shear resistance of the lubricating oil between the friction materials.
[0014] Working principle: In the utility model, the paper base is distributed as a single individual, the depth of the oil groove is the thickness of the paper base, and the general shape of the paper base design is a two-stage polygonal circumference evenly staggered. While retaining the usual radial oil grooves, the design increases the oil grooves in the circumferential direction, increases the number of oil grooves, and improves the oil lubrication ability, thereby better taking away the heat from the surface of the friction plate, improving the heat dissipation, and adding a triangular opening on the outer diameter side, which is beneficial to reducing the shear resistance of the lubricating oil between the friction materials.
[0015] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A novel structural oil groove, comprising an annular core plate (1), a first friction strip (2) and a second friction strip (3), characterized in that: The inner circle of the annular core plate (1) is provided with a spline (7). The annular core plate (1) has a first surface and a second surface opposite to the first surface. The first surface and the second surface of the annular core plate (1) are both fixedly provided with a first friction strip (2) and a second friction strip (3) in the form of spaced strips and arranged along the radial direction of the annular core plate (1). A second triangular oil groove (6) is formed between the first friction strip (2) and the second friction strip (3). A first triangular oil groove (5) is provided above the first friction strip (2). A straight groove (4) is formed between the first friction strip (2) and the second friction strip (3) adjacent to each other in the clockwise direction.
2. A novel structural oil tank as claimed in claim 1, characterized in that: A plurality of splines (7) are provided, and the splines (7) are distributed in an annular array on the inner circle of the annular core plate (1).
3. A novel structural oil tank as claimed in claim 1, characterized in that: The first friction strip (2) and the second friction strip (3) are symmetrically distributed.
4. A novel structural oil tank as claimed in claim 1, characterized in that: A plurality of the first friction strips (2) are provided, and the first friction strips (2) are distributed in an annular array on the outer surface of the annular core plate (1).
5. A novel structural oil tank as claimed in claim 1, characterized in that: A plurality of the second friction strips (3) are provided, and the second friction strips (3) are distributed in an annular array on the outer surface of the annular core plate (1).
6. A novel structural oil tank as claimed in claim 1, characterized in that: A plurality of the first triangular oil grooves (5) are provided, and the first triangular oil grooves (5) are distributed in an annular array on the outer surface of the annular core plate (1).