CN217327455U

CN217327455U - Engine oil stirring lubricating system and engine

Info

Publication number: CN217327455U
Application number: CN202220233737.8U
Authority: CN
Inventors: 冯荣涛; 林满水; 陈斌
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-30
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses an engine oil-mixing lubricating system and engine, including crankcase and engine oil chamber, be equipped with the bent axle in the crankcase, be equipped with the action wheel on the bent axle, be equipped with the stirring shaft in the engine oil chamber, the stirring shaft crosses the engine oil chamber, the stirring shaft is the eccentric shaft, stirring shaft one end is in the engine oil chamber outside, the stirring shaft tip is equipped with from the driving wheel, the action wheel with connect from the driving wheel transmission, be equipped with connecting rod and piston on the bent axle, the bent axle rotates the drive the stirring shaft rotates, when the piston is in the top dead center, the focus of stirring shaft is in the minimum, can improve lubricated reliability.

Description

Engine oil stirring lubricating system and engine

[ technical field ] A method for producing a semiconductor device

The utility model relates to an engine oil mixing lubricating system and engine belongs to engine lubrication system technical field.

[ background of the invention ]

At present, because lubricating oil in the engine can lubricate moving parts of a machine body in any working posture, a fan blade shifting fork and other lubricating modes are designed, when the oil level is too low, engine oil cannot be well lubricated, and the residual engine oil causes waste; due to the influence of the position of the oil surface, part of the stations cannot be used in one posture for a long time.

The Chinese patent CN105673132A solves the problems of many check valves and many oil holes, but the totally depending on the positive and negative pressures above and below the piston obviously has a certain disadvantage, the pressure of the engine increases along with the rise of the temperature, the space increases along with the reduction of the using amount of the engine oil, the internal pressure decreases, and the reliability of the lubrication cannot be ensured stably. Besides, with the change of the using posture, such as the horizontal state of the piston, the lubricating oil is far away from the oil hole due to the liquid level of the oil and can not be sucked into the crank chamber, and the lubrication of the parts is insufficient, so that the machine is damaged.

[ Utility model ] content

The utility model aims to solve the technical problem that an engine oil mixing lubricating system and engine are provided, lubricated reliability can be improved.

Solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an engine oil-mixing lubricating system, includes crankcase and machine oil chamber, be equipped with the bent axle in the crankcase, be equipped with the action wheel on the bent axle, be equipped with the stirring axle in the machine oil chamber, the stirring axle crosses the machine oil chamber, the stirring axle is the eccentric shaft, stirring axle one end is in the machine oil chamber outside, the stirring axle is located the tip of machine oil chamber outside is equipped with from the driving wheel, the action wheel with connect from the driving wheel transmission, be equipped with connecting rod and piston on the bent axle, the bent axle rotates the drive the stirring axle rotates, when the piston is in the top dead center, the focus of stirring axle is in the minimum.

Adopt the beneficial effects of the utility model are that:

in the utility model, a crankshaft is arranged in the crankcase, a stirring shaft is arranged in the engine oil chamber, the stirring shaft is an eccentric shaft, the crankshaft is provided with a driving wheel, the stirring shaft is provided with a driven wheel, the driving wheel is in transmission connection with the driven wheel, when the crankshaft rotates, the driving wheel drives the driven wheel to rotate, the stirring shaft stirs the lubricating oil in the engine oil chamber and stirs the lubricating oil into small oil particles, the small oil particles flow along with airflow generated by the movement of the piston, so that the small oil particles can lubricate and cool parts passing through, in addition, when the oil chamber is positioned at a low liquid level, the stirring shaft can also scatter lubricating oil, thereby reducing the waste of the oil, secondly the utility model discloses can in time lubricate inside, simultaneously the utility model discloses a lubricated mode has higher reliability, and comparatively stable relatively, can improve the utility model discloses the life of internals.

Additionally, in the utility model discloses in during the bent axle rotates, work as when the piston moves the lower dead center, the focus of stirring shaft is in the peak, this moment the focus of stirring shaft with distance between the piston is nearest, works as when the piston moves to the upper dead center, the focus of stirring shaft is in the minimum, this moment the focus of stirring shaft with distance between the piston is farthest away, the stirring shaft can regard as the balance shaft, through the reverse motion of stirring shaft and piston, the stirring shaft can produce reverse vibration power, reduces the vibration that piston inertia produced reduces the vibration of engine, can improve the overall stability of engine, also can improve user's experience and feel.

Preferably, the transmission ratio between the driving wheel and the driven wheel is 1: 1.

Preferably, the stirring shaft is of a crank type, the two ends of the stirring shaft respectively comprise a central shaft, and the central shafts at the two ends of the stirring shaft are overlapped with each other.

Preferably, the stirring shaft comprises a straight shaft and an eccentric block, and the eccentric block is mounted on the straight shaft.

Preferably, the distance between the eccentric block and the inner side wall of the engine oil chamber is 1-10 mm.

Preferably, a synchronous belt is arranged between the driving wheel and the driven wheel, and the synchronous belt realizes transmission connection between the driving wheel and the driven wheel.

Preferably, the driving wheel and the driven wheel are both gears, a rack is arranged between the driving wheel and the driven wheel, the rack is meshed with the driving wheel and the driven wheel, and the rack realizes transmission connection between the driving wheel and the driven wheel.

Preferably, the engine oil chamber is located on the lower side of the crankcase, an interlayer is arranged between the engine oil chamber and the crankcase, and an oil hole for communicating the engine oil chamber and the crankcase is formed in the interlayer.

Preferably, a seal is provided between the stirring shaft and the engine oil chamber.

The utility model also shows an engine, which comprises a housing, be equipped with crankcase and engine oil chamber in the casing, be equipped with the bent axle in the crankcase, be equipped with the stirring shaft in the engine oil chamber, the engine be equipped with as above-mentioned arbitrary one an engine oil mixing lubricating system.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a sectional view of embodiment 1 of the present invention;

fig. 2 is a front view of embodiment 1 of the present invention;

fig. 3 is a cross sectional view of the piston moving to the bottom dead center in embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of the piston moving to the top dead center in embodiment 1 of the present invention;

fig. 5 is a cross-sectional view of the engine of embodiment 1 of the present invention when tilted;

fig. 6 is a sectional view of embodiment 2 of the present invention.

Reference numerals: 1 crankcase, 2 engine oil chambers, 3 crankshafts, 31 driving wheels, 32 connecting rods, 33 pistons, 4 stirring shafts, 41 driven wheels, 5 interlayers, 51 oil holes and 6 racks.

[ detailed description ] A

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1:

as shown in fig. 1 to 5, the present embodiment shows an engine oil-mixing lubrication system, which includes a crankcase 1 and an oil chamber 2, a crankshaft 3 is disposed in the crankcase 1, a stirring shaft 4 is disposed in the oil chamber 2, the stirring shaft 4 traverses the oil chamber 2, the stirring shaft 4 is an eccentric shaft, the eccentric shaft is a bent type, the stirring shaft 4 includes two end portions and a central shaft, one end of the two end portions of the stirring shaft 4 is rotatably connected inside the oil chamber 2, the other end of the two end portions is located outside the oil chamber 2, the oil chamber 2 is provided with a through hole for the stirring shaft 4 to pass through, a sealing member is disposed at a connection between the stirring shaft 4 and the oil chamber 2, both ends of the stirring shaft 4 include central shafts, the central shafts at both ends of the stirring shaft 4 coincide with each other, and a length of the central shaft is slightly smaller than a width inside the oil chamber 2, as shown in fig. 4, when the engine is in an inclined state, the stirring shaft 4 can stir the lubrication, so the stirring shaft 4 can stir the lubrication no matter what state the engine is in, in addition, the distance between the central shaft and the two ends of the stirring shaft 4 is set to be large, so that the stirring range of the stirring shaft 4 is kept to be maximum, when the liquid level of the lubricating oil is low, the stirring shaft 4 can still stir the lubricating oil, the utilization rate of the lubrication in the embodiment is improved, and the waste of the lubrication is reduced.

In this embodiment, the crankshaft 3 is provided with a driving wheel 31, the driving wheel 31 is sleeved on the end of the crankshaft 3, the driving wheel 31 is fixedly connected with the crankshaft 3, the end part of the stirring shaft 4, which is positioned outside the engine oil chamber 2, is provided with a driven wheel 41, the driven wheel 41 is fixedly connected with the crankshaft 3, the driven wheel 41 is located at the lower side of the driving wheel 31, in this embodiment, the driving wheel 31 and the driven wheel 41 are both gears, a rack 6 is arranged between the driving wheel 31 and the driven wheel 41, the rack 6 is meshed with the driving wheel 31 and the driven wheel 41, the rack 6 realizes the transmission connection between the driving wheel 31 and the driven wheel 41, it is understood that in other embodiments, the driving wheel 31 and the driven wheel 41 are both rotating wheels, and the driving wheel 31 and the driven wheel 41 are in transmission connection through a synchronous belt.

In addition, in this embodiment, the transmission ratio between the driving wheel 31 and the driven wheel 41 is 1:1, a connecting rod 32 and a piston 33 are arranged on the crankshaft 3, when the crankshaft 3 drives the piston 33 to move, the crankshaft 3 drives the stirring shaft 4 to rotate through the driving wheel 31, when the piston 33 is located at the top dead center, the center of gravity of the stirring shaft 4 is located at the lowest point, and at this time, the distance between the center of gravity of the stirring shaft 4 and the piston 33 is the closest; when the piston 33 is located at the bottom dead center, the gravity center of the stirring shaft 4 is located at the highest point, the distance between the gravity center of the stirring shaft 4 and the piston 33 is the farthest, the stirring shaft 4 can be used as a balance shaft, and through the reverse motion of the stirring shaft 4 and the piston 33, the stirring shaft 4 can generate reverse vibration force, so that the vibration generated by the inertia of the piston 33 is reduced, the vibration of the engine is reduced, the overall stability of the engine can be improved, and the experience feeling of a user can also be improved.

In this embodiment, the engine oil chamber 2 is located at the lower side of the crankcase 1, an interlayer 5 is arranged between the engine oil chamber 2 and the axle box, and the interlayer 5 is provided with an oil hole 51 for communicating the engine oil chamber 2 and the crankcase 1, in the operation process of this embodiment, the crankshaft 3 rotates to drive the piston 33 to reciprocate up and down, in addition, the driving wheel 31 on the crankshaft 3 rotates synchronously with the crankshaft 3, the crankshaft 3 drives the driven wheel 41 to rotate through the rack 6, the stirring shaft 4 rotates synchronously with the driven wheel 41, the stirring shaft 4 stirs the lubrication in the engine oil chamber 2, so that the lubrication oil forms small oil particles, and the air flow pressed by the piston 33 is sequentially blown from the crankcase 1 to the cylinder chamber, the ejector rod channel, the valve rocker arm chamber cylinder head cover, the oil-gas separation chamber through the bearing of the crankshaft 3, The breather pipe, at this in-process, little oil particle formation oil film has lubricated and has cooled off the part of process, has lubricated 3 connecting rods 32 of bent axle and cylinder wall and piston 33 simultaneously, can reduce the waste to machine oil, and secondly this embodiment can in time lubricate inside, and the lubrication mode of this embodiment has higher reliability simultaneously, and comparatively more stable, can improve the life of this embodiment internals.

Example 2:

as shown in fig. 6, the main differences between the present embodiment and embodiment 1 are: in this embodiment the stirring shaft 4 includes straight axle and eccentric block, the eccentric block can be eccentric pouring weight or eccentric shift fork, the eccentric block is installed on the straight axle, the eccentric block with distance between the engine oil chamber inside wall is 1-10mm, makes the length that the eccentric block distributes reaches as far as the inside width of engine oil room 2, the high setting of eccentric block is great, makes the scope of stirring shaft 4 keeps the biggest, no matter what state the engine is in, stirring shaft 4 homoenergetic stirs the lubrication, works as in addition the liquid level of lubricating oil is lower, the eccentric block on the stirring shaft 4 still can stir lubricating oil, improves this embodiment and to lubricated utilization ratio, reduces lubricated waste.

Example 3:

the embodiment shows an engine, which comprises a casing, wherein a crankcase 1 and an engine oil chamber 2 are arranged in the casing, a crankshaft 3 is arranged in the crankcase 1, a stirring shaft 4 is arranged in the engine oil chamber 2, and an engine oil stirring lubricating system as described in embodiment 1 or embodiment 2 or other same embodiments is arranged in the embodiment; the embodiment can lubricate the inside in time, and meanwhile, the lubricating mode of the embodiment has higher reliability and is relatively stable, so that the service life of the parts in the embodiment can be prolonged; in addition, the stirring shaft 4 can also be used as a balance shaft, and through the reverse motion of the stirring shaft 4 and the piston 33, the stirring shaft 4 can generate reverse vibration force, so that the vibration generated by the inertia of the piston 33 is reduced, the vibration of the engine is reduced, the overall stability of the engine can be improved, and the experience of a user can also be improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides an engine oil stirring lubricating system which characterized in that: the oil pump is characterized by comprising a crankcase and an engine oil chamber, a crankshaft is arranged in the crankcase, a driving wheel is arranged on the crankshaft, a stirring shaft is arranged in the engine oil chamber and penetrates through the engine oil chamber, the stirring shaft is an eccentric shaft, one end of the stirring shaft is located on the outer side of the engine oil chamber, a driven wheel is arranged at the end of the stirring shaft, the driving wheel is in transmission connection with the driven wheel, a connecting rod and a piston are arranged on the crankshaft, the crankshaft rotates to drive the stirring shaft to rotate, and when the piston is located at an upper dead center, the gravity center of the stirring shaft is located at the lowest point.

2. The system of claim 1, wherein: the transmission ratio between the driving wheel and the driven wheel is 1: 1.

3. The system of claim 1, wherein: the stirring shaft is in a crank throw shape, two ends of the stirring shaft respectively comprise a central shaft, and the central shafts at the two ends of the stirring shaft are overlapped with each other.

4. The oil churning system of an engine according to claim 1, wherein: the stirring shaft comprises a straight shaft and an eccentric block, and the eccentric block is arranged on the straight shaft.

5. The system of claim 4, wherein: the distance between the eccentric block and the inner side wall of the engine oil chamber is 1-10 mm.

6. The system of claim 1, wherein: the driving wheel with be equipped with the hold-in range between the follow driving wheel, the hold-in range realizes the driving wheel with the transmission between the follow driving wheel is connected.

7. The system of claim 1, wherein: the driving wheel and the driven wheel are both gears, a rack is arranged between the driving wheel and the driven wheel, the rack is meshed with the driving wheel and the driven wheel, and the rack realizes transmission connection between the driving wheel and the driven wheel.

8. The system of claim 1, wherein: the engine oil chamber is located the downside of crankcase, be equipped with the interlayer between the engine oil chamber with the crankcase, be equipped with on the interlayer and be used for the intercommunication the oilhole between engine oil chamber and the crankcase.

9. The system of claim 1, wherein: and a sealing piece is arranged between the stirring shaft and the engine oil chamber.

10. An engine, characterized in that: the engine comprises a casing, a crankcase and an engine oil chamber are arranged in the casing, a crankshaft is arranged in the crankcase, a stirring shaft is arranged in the engine oil chamber, and the engine is provided with an engine oil stirring lubricating system as claimed in any one of claims 1 to 9.