CN219865849U - Friction cushion block and engine with same - Google Patents
Friction cushion block and engine with same Download PDFInfo
- Publication number
- CN219865849U CN219865849U CN202321325158.7U CN202321325158U CN219865849U CN 219865849 U CN219865849 U CN 219865849U CN 202321325158 U CN202321325158 U CN 202321325158U CN 219865849 U CN219865849 U CN 219865849U
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- China
- Prior art keywords
- cushion block
- main body
- friction pad
- block main
- friction
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 9
- 229910000677 High-carbon steel Inorganic materials 0.000 claims description 5
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
The utility model provides a friction cushion block and an engine with the same, wherein the friction cushion block is arranged between a flywheel and a crankshaft of the engine, and comprises: the cushion block comprises a cushion block main body, a plurality of protruding parts, a plurality of supporting blocks and a plurality of supporting blocks, wherein the protruding parts are arranged on the surfaces of two sides of the cushion block main body along the thickness direction of the cushion block main body and are uniformly distributed on the surfaces of the cushion block main body; wherein, a plurality of bellying and cushion main part integrated with each other stamping forming, bellying are processed by heat treatment technology. The friction cushion block solves the problem that the friction plate of the engine in the prior art is complex to manufacture.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a friction cushion block and an engine with the friction cushion block.
Background
The front end and the rear end of a crankshaft of the engine are respectively connected with the belt pulley and the flywheel, and after the bolts are screwed up, friction force is generated at the contact surface between the crankshaft and the belt pulley, so that the purpose of transmitting torque is achieved.
In the prior art, a friction plate is added between a crankshaft and a flywheel so as to increase the friction force between the crankshaft and a belt pulley, thereby improving the torque transmission capability and realizing the lightweight design of the crankshaft.
However, a large amount of fine particles are adhered to the surfaces of the two sides of the existing friction plate, the hardness of the particles is high, and after the particles are contacted with the flywheel and the crankshaft, the particles are embedded into the surfaces of the flywheel and the crankshaft, so that the friction force between parts is increased, and the torque transmission capacity of the contact surface is improved. The particles of the friction plate and the friction plate main body are made of different general materials, and the particles are made of materials with higher hardness, such as diamond, so that the diamond is plated on the friction plate main body, the manufacturing process of the friction plate is complex, the raw material price of the diamond is high, the price of a finished product is higher, the friction plate can be used only once, and maintenance needs to be replaced, so that the maintenance cost is high in the service life cycle of the engine, and the product price positioning is not facilitated.
Disclosure of Invention
The utility model mainly aims to provide a friction cushion block and an engine with the friction cushion block, so as to solve the problem that a friction plate of an engine in the prior art is complex to manufacture.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a friction pad for being disposed between a flywheel and a crankshaft of an engine, the friction pad comprising: the cushion block comprises a cushion block main body, a plurality of protruding parts, a plurality of supporting blocks and a plurality of supporting blocks, wherein the protruding parts are arranged on the surfaces of two sides of the cushion block main body along the thickness direction of the cushion block main body and are uniformly distributed on the surfaces of the cushion block main body; wherein, a plurality of bellying and cushion main part integrated with each other stamping forming, bellying are processed by heat treatment technology.
Further, the pad body and the boss are both made of medium carbon steel or high carbon steel.
Further, each protruding portion is of a long strip-shaped structure.
Further, the cushion block main body is of a concentric circle structure, and each protruding part extends along the distribution direction of the inner ring of the concentric circle structure and the outer ring of the concentric circle structure; wherein, a plurality of bellying set gradually along the circumference of cushion main part.
Further, the length of each boss is equal to the distance between the inner ring and the outer ring.
Further, each of the protruding portions has a triangular cross-sectional shape having a first sharp corner protruding in a direction away from the surface of the pad body.
Further, each protruding portion is a block-shaped structure, the block-shaped structure is provided with second sharp corners, and each second sharp corner protrudes towards a direction away from the surface of the cushion block main body.
Further, the raised portion is a pyramid-shaped structure; alternatively, the boss is a conical structure.
Further, the thickness of the cushion block main body is in the range of 5mm to 20mm.
According to another aspect of the present utility model, there is provided an engine including a crankshaft and a flywheel, the engine further comprising: the friction cushion block is arranged between the crankshaft and the flywheel.
By applying the technical scheme of the utility model, the utility model provides a friction cushion block which is arranged between a flywheel and a crankshaft of an engine, and comprises the following components: the cushion block comprises a cushion block main body, a plurality of protruding parts, a plurality of supporting blocks and a plurality of supporting blocks, wherein the protruding parts are arranged on the surfaces of the two sides of the cushion block main body 1 along the thickness direction of the cushion block main body, and the protruding parts are uniformly distributed on each surface of the cushion block main body; wherein, a plurality of bellying and cushion main part integrated with each other stamping forming, bellying are processed by heat treatment technology. Therefore, after the bulge and the cushion block main body are integrally formed by stamping, the bulge is subjected to heat treatment, such as quenching treatment, so as to improve the hardness of the bulge.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 shows a top view of a first embodiment of a friction pad according to the present utility model;
FIG. 2 shows a side view of a first embodiment of a friction pad according to the utility model;
FIG. 3 shows an enlarged schematic view of region A of the friction pad according to FIG. 2;
FIG. 4 shows a top view of a second embodiment of a friction pad according to the utility model;
FIG. 5 shows a side view of a second embodiment of a friction pad according to the utility model;
fig. 6 shows an enlarged schematic view of region B of the friction pad according to 5.
Wherein the above figures include the following reference numerals:
1. a pad body; 2. a boss; 11. an inner ring; 10. an outer ring; 20. a first sharp corner; 21. and a second sharp angle.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, the present utility model provides a friction pad for being disposed between a flywheel and a crankshaft of an engine, the friction pad comprising: the cushion block comprises a cushion block main body 1, a plurality of protruding parts 2, wherein the protruding parts 2 are arranged on the surfaces of two sides of the cushion block main body 1 along the thickness direction of the cushion block main body 1, and the protruding parts 2 are uniformly distributed on each surface of the cushion block main body 1; wherein, a plurality of protruding parts 2 and cushion body 1 are integrated with each other and are formed by stamping, and protruding parts 2 are processed by a heat treatment process. In this way, after the boss 2 and the cushion block main body 1 are integrally formed by punching, the boss 2 is subjected to heat treatment, such as quenching treatment, so as to improve the hardness of the boss 2.
In the present utility model, the pad body 1 and the boss 2 are both made of medium carbon steel or high carbon steel. In this way, the manufacturing cost of the friction pad is lower compared with that of the friction plate adopting diamond particles by adopting the medium carbon steel or the high carbon steel, and the hardness of the protruding part 2 can be better improved by adopting the heat treatment process of the medium carbon steel and the high carbon steel. Among them, the heat treatment process mentioned in the present utility model includes a heat treatment process which can improve hardness in the prior art, and the present utility model will not be described in detail.
In the first embodiment of the present utility model, as shown in fig. 1 to 3, each of the protrusions 2 is of an elongated structure.
In the first embodiment of the present utility model, as shown in fig. 1 to 3, in order to achieve uniform distribution of the protrusions 2, the pad body 1 is of a concentric circle structure, and each protrusion 2 extends along a distribution direction of an inner ring 11 of the concentric circle structure and an outer ring 10 of the concentric circle structure; wherein, a plurality of bellying 2 set gradually along the circumference of cushion main part 1.
Preferably, in order to enable the friction pad to increase a larger friction force, the length of each boss 2 is equal to the distance between the inner ring 11 and the outer ring 10.
Preferably, as shown in fig. 3, the cross section of each boss 2 is triangular, the triangle has a first sharp corner 20, and the first sharp corner 20 protrudes towards a direction away from the surface of the cushion block body 1, so that the boss 2 is conveniently embedded into the surface of a flywheel or a crankshaft to provide a larger friction force, thereby improving the torque transmission capability.
In the second embodiment of the present utility model, as shown in fig. 4 to 6, each of the protruding portions 2 has a block structure, and the block structure has second sharp corners 21, and each of the second sharp corners 21 protrudes in a direction away from the surface of the pad body 1, so that the protruding portions 2 can be conveniently embedded in the surface of the flywheel or the crankshaft, and a larger friction force is provided, thereby improving the torque transmission capability.
Alternatively, the raised portion 2 is a pyramid-shaped structure; alternatively, the boss 2 is of conical configuration.
In the embodiment of the utility model, the thickness of the cushion body 1 is in the range of 5mm to 20mm, so that the cushion body 1 and the boss 2 are integrally formed by stamping.
In the present utility model, the height, size, distance between two adjacent bosses 2, etc. of the bosses 2 may be determined according to the actual sizes of the flywheel and the crankshaft, and the actual installation conditions.
The utility model also provides an engine, which comprises a crankshaft and a flywheel, and further comprises: the friction cushion block is arranged between the crankshaft and the flywheel.
In summary, the friction cushion block is designed to increase the friction force of the contact surface between the flywheel and the crankshaft, so that the torque transmission capability of the contact surface is improved, the lightweight design of the front and rear shaft ends of the crankshaft can be realized, meanwhile, due to the increase of the friction force, the specification and the number of bolts can be reduced, the design cost is reduced, the connection reliability between the flywheel and the crankshaft is improved, the cushion block main body and the protruding part of the friction cushion block are integrally formed by stamping, and the protruding part 2 is subjected to heat treatment, such as quenching treatment, so that the hardness of the protruding part 2 is improved.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
the utility model provides a friction cushion block, which is used for being arranged between a flywheel and a crankshaft of an engine, and comprises the following components: the cushion block comprises a cushion block main body 1, a plurality of protruding parts 2, wherein the protruding parts 2 are arranged on the surfaces of two sides of the cushion block main body 1 along the thickness direction of the cushion block main body 1, and the protruding parts 2 are uniformly distributed on each surface of the cushion block main body 1; wherein, a plurality of protruding parts 2 and cushion body 1 are integrated with each other and are formed by stamping, and protruding parts 2 are processed by a heat treatment process. In this way, after the boss 2 and the cushion block main body 1 are integrally formed by punching, the boss 2 is subjected to heat treatment, such as quenching treatment, so as to improve the hardness of the boss 2.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A friction pad for placement between a flywheel and a crankshaft of an engine, the friction pad comprising:
a cushion block main body (1),
the plurality of protruding parts (2) are arranged on the surfaces of two sides of the cushion block main body (1) along the thickness direction of the cushion block main body (1), and the plurality of protruding parts (2) are uniformly distributed on each surface of the cushion block main body (1);
the plurality of protruding parts (2) and the cushion block main body (1) are integrally formed by stamping, and the protruding parts (2) are processed by a heat treatment process.
2. A friction pad according to claim 1, characterized in that the pad body (1) and the boss (2) are both made of medium carbon steel or high carbon steel.
3. A friction pad according to claim 1, characterized in that each of the protrusions (2) is of elongated configuration.
4. A friction pad as claimed in claim 3, wherein,
the cushion block main body (1) is of a concentric circle structure, and each protruding part (2) extends along the distribution direction of an inner ring (11) of the concentric circle structure and an outer ring (10) of the concentric circle structure;
the plurality of protruding portions (2) are sequentially arranged along the circumferential direction of the cushion block main body (1).
5. A friction pad according to claim 4, characterized in that the length of each of the protrusions (2) is equal to the distance between the inner ring (11) and the outer ring (10).
6. A friction pad according to claim 4, characterized in that the cross-section of each of the protrusions (2) is triangular in shape, the triangle having a first sharp corner (20), the first sharp corner (20) protruding in a direction away from the surface of the pad body (1).
7. A friction pad according to claim 1, characterized in that each of the protrusions (2) is a block-like structure having a second sharp corner (21), each of the second sharp corners (21) protruding in a direction away from the surface of the pad body (1).
8. A friction pad according to claim 7, characterized in that the protrusions (2) are pyramid-shaped structures; or alternatively, the process may be performed,
the protruding part (2) is of a conical structure.
9. A friction pad according to any one of claims 1 to 8, characterized in that the thickness of the pad body (1) has a value in the range of 5mm to 20mm.
10. An engine comprising a crankshaft and a flywheel, the engine further comprising:
the friction pad of any one of claims 1-9 disposed between the crankshaft and the flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325158.7U CN219865849U (en) | 2023-05-29 | 2023-05-29 | Friction cushion block and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325158.7U CN219865849U (en) | 2023-05-29 | 2023-05-29 | Friction cushion block and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865849U true CN219865849U (en) | 2023-10-20 |
Family
ID=88323297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321325158.7U Active CN219865849U (en) | 2023-05-29 | 2023-05-29 | Friction cushion block and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865849U (en) |
-
2023
- 2023-05-29 CN CN202321325158.7U patent/CN219865849U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |