Wear-resistant crankshaft

Abstract

The utility model belongs to the technical field of crankshafts, and particularly relates to a wear-resistant crankshaft which comprises a crankshaft main journal and a connecting rod main journal connected with the two ends of the crankshaft main journal, an oil storage hole channel used for storing lubricating oil is communicated between the top wall of the connecting rod main journal and the bottom wall of the crankshaft main journal, and an oil control assembly is arranged in the oil storage hole channel. The oil control assembly comprises oil absorption cotton and oil control heads connected to the two ends of the oil absorption cotton, a plurality of oil outlet holes are formed in the oil control heads, the oil storage hole channel used for storing lubricating oil is formed between the top wall of the connecting rod main journal and the bottom wall of the crankshaft main journal, and the oil control assembly is arranged in the oil storage hole channel. The oil control assembly controls oil and releases lubricating oil to directly act on the outer wall of the connecting rod main journal and the outer wall of the crankshaft main journal to lubricate the crankshaft, the lubricating effect of the crankshaft is greatly improved, working abrasion is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of crankshafts, and in particular relates to a wear-resistant crankshaft. Background Art

[0002] The crankshaft is the most important part of the engine. Whether it is a two-cylinder engine, a three-cylinder engine or a four-cylinder engine, the crankshaft is needed as the main connecting transmission component. It bears the force transmitted by the connecting rod and converts it into torque output through the crankshaft and drives other accessories on the engine. The crankshaft is subjected to the centrifugal force of the rotating mass, the periodic gas inertia force and the reciprocating inertia force, which makes the crankshaft subject to bending and torsional loads. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the journal surface needs to be wear-resistant, work evenly and have good balance.

[0003] However, when the existing crankshafts are used, most of them are externally lubricated, and it is difficult for the lubricating oil to directly act on the connection between the crankshaft and the piston connecting rod, resulting in large wear and tear when the crankshaft is working, and reducing the service life of the crankshaft. For this reason, an improved wear-resistant crankshaft is designed. Utility Model Content

[0004] In view of the above-mentioned deficiencies existing in the prior art, the utility model provides a wear-resistant crankshaft to solve the above-mentioned problems in the background technology.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A wear-resistant crankshaft comprises at least one crankshaft main journal and a connecting rod main journal connecting the two ends of the crankshaft main journal, an oil storage channel for storing lubricating oil is connected between the top wall of the connecting rod main journal and the bottom wall of the crankshaft main journal, an oil control component is provided in the oil storage channel, the oil control component comprises oil absorbent cotton and oil control heads connected to the two ends of the oil absorbent cotton, and a plurality of oil outlet holes are formed on the oil control head.

[0007] In the above technical solution, an oil storage channel for storing lubricating oil is opened between the top wall of the connecting rod main journal and the bottom wall of the crankshaft main journal, and an oil control component is arranged in the oil storage channel. When the crankshaft rotates, the oil control component controls the oil and releases the lubricating oil to directly act on the outer wall of the connecting rod main journal and the outer wall of the crankshaft main journal to lubricate the crankshaft, thereby greatly improving the lubrication effect of the crankshaft, reducing working wear and increasing service life.

[0008] Furthermore, the oil storage hole is arranged obliquely, and limit blocks for limiting the movement of the oil control head are arranged at outlets at both ends of the oil storage hole.

[0009] Furthermore, two oil storage holes are provided on the crankshaft main journal, and the two oil storage holes intersect at the center line of the top wall of the crankshaft main journal, and the two oil storage holes are in an inverted V shape.

[0010] In the above technical solution, the oil control component includes oil-absorbing cotton and an oil control head connected to the two ends of the oil-absorbing cotton. The oil control head is provided with a plurality of oil outlet holes. Since the oil-absorbing cotton is soft in texture and has an adsorption function, lubricating oil can be injected into the oil storage channel. The lubricating oil is adsorbed in the oil-absorbing cotton and stays in the oil storage channel. When the crankshaft rotates, the rotation generates centrifugal force to throw out the lubricating oil, and the oil is thrown out through the oil outlet holes on the oil control head and the gap between the oil control head and the wall of the oil storage channel to lubricate the crankshaft.

[0011] Furthermore, it also includes a crank connected between the crankshaft main journal and the connecting rod main journal, and the oil storage channel passes through the crank.

[0012] Furthermore, it also includes two end shafts, the end shafts are connected to the connecting rod main journal, an oil storage channel is provided between the end shaft and the connecting rod main journal, and an oil control component is provided in the oil storage channel.

[0013] Furthermore, the oil control head is circular, and the radius of the oil control head is smaller than the diameter of the oil storage channel. In the above technical solution, the oil storage channel is inclined, which can increase the length of the channel, thereby increasing the capacity of the oil storage channel and improving the oil storage capacity.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. An oil storage channel for storing lubricating oil is opened between the top wall of the connecting rod main journal and the bottom wall of the crankshaft main journal, and an oil control component is arranged in the oil storage channel. When the crankshaft rotates, the oil control component controls the oil and releases the lubricating oil to directly act on the outer wall of the connecting rod main journal and the outer wall of the crankshaft main journal to lubricate the crankshaft, thereby greatly improving the lubrication effect of the crankshaft, reducing working wear and extending the service life;

[0016] 2. The oil control component includes oil-absorbing cotton and oil control heads connected to both ends of the oil-absorbing cotton. The oil control head is provided with a plurality of oil outlet holes. Since the oil-absorbing cotton is soft and has an adsorption function, lubricating oil can be injected into the oil storage channel. The lubricating oil is adsorbed in the oil-absorbing cotton and stays in the oil storage channel. When the crankshaft rotates, the rotation generates centrifugal force to throw out the lubricating oil, and the oil is thrown out through the oil outlet holes on the oil control head and the gap between the oil control head and the wall of the oil storage channel to lubricate the crankshaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of a wear-resistant crankshaft of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a wear-resistant crankshaft embodiment of the utility model (viewing angle 1);

[0019] Figure 3 This is a schematic diagram of the internal structure of a wear-resistant crankshaft embodiment of the utility model (viewing angle 2);

[0020] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0021] The reference numerals in the drawings of the specification include:

[0022] A crankshaft main journal (1), a crank (2), a connecting rod main journal (3), an end shaft (4), an oil control component (5), an oil absorbing cotton (51), an oil control head (52), an oil outlet hole (521), an oil storage channel (6), and a limit block (61). DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0025] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] like Figure 1-4 Specifically, a wear-resistant crankshaft comprises at least one crankshaft main journal 1 and a connecting rod main journal 3 connecting the two ends of the crankshaft main journal 1, an oil storage channel 6 for storing lubricating oil is connected between the top wall of the connecting rod main journal 3 and the bottom wall of the crankshaft main journal 1, an oil control component 5 is arranged in the oil storage channel 6, and the oil control component 5 comprises an oil absorbing cotton 51 and an oil control head 52 connected to the two ends of the oil absorbing cotton 51, and a plurality of oil outlet holes 521 are opened on the oil control head 52.

[0029] In the above technical scheme, an oil storage channel 6 for storing lubricating oil is opened between the top wall of the connecting rod main journal 3 and the bottom wall of the crankshaft main journal 1, and an oil control component 5 is arranged in the oil storage channel 6. When the crankshaft rotates, the oil control component 5 controls the oil and releases the lubricating oil to directly act on the outer wall of the connecting rod main journal 3 and the outer wall of the crankshaft main journal 1 to lubricate the crankshaft, thereby greatly improving the lubrication effect of the crankshaft, reducing working wear and increasing service life.

[0030] In this example, the oil storage hole 6 is arranged to be inclined, and limit blocks 61 for limiting the movement of the oil control head 52 are arranged at outlets at both ends of the oil storage hole 6 .

[0031] In this example, two oil storage holes 6 are provided on the crankshaft main journal 1. The two oil storage holes 6 intersect at the center line of the top wall of the crankshaft main journal 1, and the two oil storage holes 6 are in an inverted V shape.

[0032] In the above technical scheme, the oil control component 5 includes an oil-absorbing cotton 51 and an oil control head 52 connected to the two ends of the oil-absorbing cotton 51. A plurality of oil outlet holes 521 are provided on the oil control head 52. Since the oil-absorbing cotton 51 is soft in texture and has an adsorption function, lubricating oil can be injected into the oil storage channel 6. The lubricating oil is adsorbed in the oil-absorbing cotton 51 and stays in the oil storage channel 6. When the crankshaft rotates, the rotation generates centrifugal force to throw out the lubricating oil, and the oil is thrown out through the oil outlet holes 521 on the oil control head 52 and the gap between the oil control head 52 and the wall of the oil storage channel 6 to lubricate the crankshaft.

[0033] In this example, a crank 2 connected between the crankshaft main journal 1 and the connecting rod main journal 3 is also included, and the oil storage channel 6 passes through the crank 2 .

[0034] In this example, two end shafts 4 are also included, the end shafts 4 are connected to the connecting rod main journal 3, an oil storage channel 6 is provided between the end shaft 4 and the connecting rod main journal 3, and an oil control component 5 is provided in the oil storage channel 6.

[0035] In this example, the oil control head 52 is circular, and the radius of the oil control head 52 is smaller than the diameter of the oil storage channel 6. In the above technical solution, the oil storage channel 6 is inclined, which can increase the length of the channel, thereby increasing the capacity of the oil storage channel 6 and improving the oil storage capacity.

[0036] Working principle: When the crankshaft rotates, the lubricating oil absorbed in the oil-absorbing cotton 51 and retained in the oil storage channel 6 generates centrifugal force to throw out the lubricating oil, and throws out through the oil outlet hole 521 on the oil control head 52 and the gap between the oil control head 52 and the wall of the oil storage channel 6 to lubricate the crankshaft. Limiting blocks 61 are set at the outlets at both ends of the oil storage channel 6 to prevent the oil control component 5 from being thrown out, greatly improving the lubrication effect of the crankshaft, reducing working wear and extending the service life.

[0037] The above are only embodiments of the utility model, and the circuits, electronic components and modules involved are all prior art, which can be fully implemented by those skilled in the art. It is needless to say that the content protected by this application does not involve improvements to software and methods. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. Ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the prior art in the field, and have the ability to apply conventional experimental means before the date. Ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A wear-resistant crankshaft, comprising a crankshaft main journal (1) and a connecting rod main journal (3) connecting two ends of the crankshaft main journal (1), characterized in that: An oil storage channel (6) for storing lubricating oil is connected between the top wall of the connecting rod main journal (3) and the bottom wall of the crankshaft main journal (1), and an oil control component (5) is provided in the oil storage channel (6). The oil control component (5) includes oil-absorbing cotton (51) and an oil control head (52) connected to both ends of the oil-absorbing cotton (51), and a plurality of oil outlet holes (521) are provided on the oil control head (52).

2. A wear-resistant crankshaft according to claim 1, characterized in that: The oil storage hole (6) is arranged in an inclined manner, and both end outlets of the oil storage hole (6) are provided with limit blocks (61) for limiting the movement of the oil control head (52).

3. A wear-resistant crankshaft according to claim 2, characterized in that: The crankshaft main journal (1) is provided with two oil storage holes (6), the two oil storage holes (6) intersect at the center line of the top wall of the crankshaft main journal (1), and the two oil storage holes (6) are in an inverted V shape.

4. A wear-resistant crankshaft according to claim 3, characterized in that: It also comprises a crank (2) connected between the crankshaft main journal (1) and the connecting rod main journal (3), and the oil storage channel (6) passes through the crank (2).

5. A wear-resistant crankshaft according to claim 4, characterized in that: It also includes two end shafts (4), the end shafts (4) are connected to the connecting rod main journal (3), an oil storage channel (6) is provided between the end shaft (4) and the connecting rod main journal (3), and an oil control component (5) is provided in the oil storage channel (6).

6. A wear-resistant crankshaft according to claim 2, characterized in that: The oil control head (52) is circular, and the radius of the oil control head (52) is smaller than the aperture of the oil storage channel (6).

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