CN217271526U - Wet clutch friction plate - Google Patents
Wet clutch friction plate Download PDFInfo
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- CN217271526U CN217271526U CN202220744347.7U CN202220744347U CN217271526U CN 217271526 U CN217271526 U CN 217271526U CN 202220744347 U CN202220744347 U CN 202220744347U CN 217271526 U CN217271526 U CN 217271526U
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Abstract
The utility model provides a wet clutch friction plate, which comprises a core plate, wherein two side surfaces of the core plate are respectively provided with a friction strip component; the rub strip assembly comprises a plurality of rub strips; the friction strip comprises a main friction part, a third friction part and a fourth friction part; the main friction parts comprise two first friction parts and two second friction parts, the two first friction parts are in mirror symmetry along the axis of the core plate, and the two second friction parts are in mirror symmetry along the axis of the core plate; the first friction part intersects with the second friction part, so that a V-shaped groove is formed between the first friction part and the second friction part; the third friction part is arranged on one side of the main friction part far away from the center of the core plate; the fourth friction part is arranged on one side of the main friction part close to the center of the core plate; the first oil duct is formed by the spacing part and two V-shaped grooves between two adjacent friction strips, the second oil duct is formed between the third friction part and the main friction part, and the third oil duct is formed between the fourth friction part and the main friction part. The application improves the lubricating oil flow track through setting up the friction strip of specific structure.
Description
Technical Field
The utility model relates to a clutch accessory, especially a wet clutch friction disc.
Background
In the prior art, the number of linear oil ducts between the friction strips on the friction plate is large, the width of the oil ducts is fixed and narrow, when the clutch idles, the oil film between the friction plate and the steel sheet is limited by the depth and the width of the oil groove, the dragging torque of the oil film is increased, the power loss is large, and the heat dissipation performance of the friction plate is also deteriorated under the dragging influence of the oil film.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a wet clutch friction disc adopts the friction strip of specific structure, changes the shape and the position of oil duct, reduces the torque that the oil film produced and pulls, is favorable to the heat dissipation. The utility model adopts the technical proposal that:
a wet clutch friction plate comprises a core plate, wherein two side surfaces of the core plate are respectively provided with a friction strip assembly;
the friction strip assembly comprises a plurality of friction strips which are annularly and equidistantly arranged on the side surface of the core plate, so that a spacing part is formed between two adjacent friction strips;
the rubbing strip comprises
The main friction part comprises two first friction parts and two second friction parts, the two first friction parts are in mirror symmetry along the axis of the core plate, and the two second friction parts are in mirror symmetry along the axis of the core plate; the first friction part intersects with the second friction part, so that a V-shaped groove is formed between the first friction part and the second friction part;
the third friction part is arranged on one side of the main friction part, which is far away from the center of the core plate; and
the fourth friction part is arranged on one side of the main friction part close to the center of the core plate;
the V-shaped groove is communicated with the spacing part, the spacing part and two V-shaped grooves between two adjacent friction strips form a first oil channel, a second oil channel is formed between the third friction part and the main friction part, and a third oil channel is formed between the fourth friction part and the main friction part.
Further, the main friction part is in an X shape, and extension lines of the two first friction parts and the two second friction parts are intersected;
the included angle between the first friction part and the second friction part is 60 degrees;
the width of the spacer is 2/3 the width of the first friction portion.
Further, the third friction portion and the fourth friction portion are both V-shaped, and the width of the second oil passage is equal to the width of the third oil passage.
Further, the opening angle of the third friction part is 120 degrees, and the single-side width of the third friction part is 1/2 degrees of the width of the first friction part.
Further, the width of the second oil passage is equal to the width of one side of the third friction portion.
Further, an auxiliary groove is formed on one side, far away from the main friction part, of the third friction part and/or the fourth friction part.
Further, the thickness of the rubbing strip is 0.35-1 mm.
Furthermore, the inner peripheral surface of the core plate is provided with a spline.
The utility model has the advantages that:
the friction strip with a specific structure is adopted, the shape of an original oil channel between the friction plate and the steel sheet is changed, the flow track of lubricating oil is changed by adopting the matching of the first oil channel, the second oil channel, the third oil channel and the fourth oil channel, the flow gap of the lubricating oil is increased, the dragging shearing force of an oil film is reduced, the dragging torque of the oil film is reduced, and the heat dissipation is facilitated;
the flow path of the lubricating oil is increased on the premise of ensuring the strength of the friction strip by limiting the shape and the size of the friction strip.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partial enlarged view of fig. 1 at M.
In the figure: 1-core plate, 2-rubbing strip, 3-first oil channel, 4-second oil channel, 5-third oil channel, 201-first rubbing part, 202-second rubbing part, 203-V-shaped groove, 204-third rubbing part, 205-fourth rubbing part, 206-auxiliary groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-2, the present invention provides a wet clutch friction plate, which comprises a core plate 1, wherein two side surfaces of the core plate 1 are respectively provided with a friction strip assembly;
the rubbing strip assembly comprises a plurality of rubbing strips 2, and the rubbing strips 2 are annularly and equidistantly arranged on the side surface of the core plate 1, so that a spacing part is formed between two adjacent rubbing strips 2; the friction bar 2 comprises a main friction part, a third friction part 204 and a fourth friction part 205; a main friction part including two first friction parts 201 and two second friction parts 202, the two first friction parts 201 being mirror-symmetrical along the axis of the core plate 1, the two second friction parts 202 being mirror-symmetrical along the axis of the core plate 1; the first friction part 201 intersects with the second friction part 202, so that a V-shaped groove 203 is formed between the first friction part 201 and the second friction part 202; the third friction part 204 is arranged at one side of the main friction part far away from the center of the core plate 1; the fourth friction portion 205 is provided on the side of the main friction portion near the center of the core plate 1; wherein the V-shaped groove 203 is communicated with the partition portion, the partition portion and two V-shaped grooves 203 between two adjacent friction strips 2 constitute a first oil passage 3, a second oil passage 4 is formed between the third friction portion 204 and the main friction portion, and a third oil passage 5 is formed between the fourth friction portion 205 and the main friction portion.
The friction strips 2 with the specific structures are adopted, so that the interval parts between the adjacent friction strips 2, the V-shaped grooves 203 between the first friction parts 201 and the second friction parts 202 are combined into the first oil ducts 3 with narrow two ends and wide middle parts, the second oil ducts 4 and the third oil ducts 5 on the two sides are matched to jointly improve the fluidity of lubricating oil, the flowing gap of the lubricating oil is increased, the shearing force of an oil film is reduced, the dragging torque of the oil film is reduced, and the heat dissipation effect is improved.
In the present application, the shape of the main friction part is an X shape, and extension lines of the two first friction parts 201 and the two second friction parts 202 intersect; the included angle between the first friction part 201 and the second friction part 202 is 60 degrees; specifically, the width of the spacer is 2/3 of the width of the first friction part 201; by limiting the shape of the main friction part and the size between the spacing part and the first friction part 201, the smooth flow of lubricating oil is ensured, when the distance of the spacing part is too large, the contact area between the friction strip and the steel sheet is reduced, the use effect is poor, and when the distance of the spacing part is too small, the shearing force of an oil film is increased.
In the present application, the third friction portion 204 and the fourth friction portion 205 are both V-shaped, and the width of the second oil passage 4 is equal to the width of the third oil passage 5; the third friction part 204 and the fourth friction part 205 are limited in shape, so that the friction strip 2 is good in symmetry and structural stability.
Further, the opening angle of the third friction part 204 is 120 °, and the single-side width of the third friction part 204 is 1/2 of the width of the first friction part 201; the opening angle of the third friction part 204 is 120 degrees, namely, one side of the third friction part 204 is limited to be parallel to the first friction part 201, and meanwhile, the width of one side of the friction part 204 is limited, so that the structural strength of the friction strip 2 is ensured.
Further, the width of the second oil passage 4 is equal to the width of one side of the third friction portion 204.
In the present application, an auxiliary groove 206 is formed on one side of the third friction part 204 and/or the fourth friction part 205 away from the main friction part; the auxiliary groove 206 can also accommodate lubricant to assist in increasing the heat dissipation.
As an example of the present application, the thickness of the rubbing strip 2 is 0.35 to 1 mm.
In order to facilitate the connection of the core plate 1 to the clutch shaft, the inner circumferential surface of the core plate 1 is provided with splines 101.
In conclusion, the friction strips with specific structures and size ratios are uniformly arranged on the core plate, so that the oil film dragging torque is reduced on the premise of ensuring the structural strength, and the heat dissipation effect is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. A wet clutch friction plate, characterized in that: the friction plate comprises a core plate (1), wherein two side surfaces of the core plate (1) are respectively provided with a friction strip assembly;
the friction strip assembly comprises a plurality of friction strips (2), and the plurality of friction strips (2) are annularly and equidistantly arranged on the side surface of the core plate (1) so that a spacing part is formed between two adjacent friction strips (2);
the rubbing strip (2) comprises
The main friction part comprises two first friction parts (201) and two second friction parts (202), the two first friction parts (201) are in mirror symmetry along the axis of the core plate (1), and the two second friction parts (202) are in mirror symmetry along the axis of the core plate (1); the first friction part (201) intersects with the second friction part (202) so that a V-shaped groove (203) is formed between the first friction part (201) and the second friction part (202);
a third friction part (204) arranged on one side of the main friction part far away from the center of the core plate (1); and
a fourth friction part (205) arranged on one side of the main friction part close to the center of the core plate (1);
the V-shaped groove (203) is communicated with the spacing part, the first oil channel (3) is formed by the spacing part and the two V-shaped grooves (203) between two adjacent friction strips (2), the second oil channel (4) is formed between the third friction part (204) and the main friction part, and the third oil channel (5) is formed between the fourth friction part (205) and the main friction part.
2. A wet clutch friction plate as described in claim 1 wherein: the main friction parts are X-shaped, and extension lines of the two first friction parts (201) and the two second friction parts (202) intersect;
the included angle between the first friction part (201) and the second friction part (202) is 60 degrees;
the width of the spacing part is 2/3 of the width of the first friction part (201).
3. A wet clutch friction plate as set forth in claim 2 wherein: the third friction part (204) and the fourth friction part (205) are both V-shaped, and the width of the second oil channel (4) is equal to that of the third oil channel (5).
4. A wet clutch friction plate as set forth in claim 3 wherein: the opening angle of the third friction part (204) is 120 degrees, and the single-side width of the third friction part (204) is 1/2 of the width of the first friction part (201).
5. A wet clutch friction plate as described in claim 4 wherein: the width of the second oil channel (4) is equal to the width of a single side of the third friction part (204).
6. A wet clutch friction plate as set forth in claim 3 wherein: an auxiliary groove (206) is formed on one side of the third friction part (204) and/or the fourth friction part (205) far away from the main friction part.
7. A wet clutch friction plate as claimed in any one of claims 1 to 6 wherein: the thickness of the rubbing strip (2) is 0.35-1 mm.
8. A wet clutch friction plate as claimed in any one of claims 1 to 6, wherein: the inner peripheral surface of the core plate (1) is provided with a spline (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220744347.7U CN217271526U (en) | 2022-04-01 | 2022-04-01 | Wet clutch friction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220744347.7U CN217271526U (en) | 2022-04-01 | 2022-04-01 | Wet clutch friction plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217271526U true CN217271526U (en) | 2022-08-23 |
Family
ID=82872574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220744347.7U Active CN217271526U (en) | 2022-04-01 | 2022-04-01 | Wet clutch friction plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217271526U (en) |
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2022
- 2022-04-01 CN CN202220744347.7U patent/CN217271526U/en active Active
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