CN210564760U

CN210564760U - Engine gear transmission mechanism

Info

Publication number: CN210564760U
Application number: CN201921544020.XU
Authority: CN
Inventors: 蔡文尧; 袁刚
Original assignee: Taizhou Dingxin Gear Co ltd
Current assignee: Taizhou Dingxin Gear Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-19
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an engine gear drive mechanism, including engine housing and main drive gear, the inside rotation of engine housing is connected with the first transmission shaft that runs through engine housing, the inside center department symmetric welding of first transmission shaft has the bent axle. The utility model discloses in, the inside elasticity buffer structure that is provided with of this engine gear drive, at the outside fixed revolving rack that sets up of secondary drive gear, and the top welding of fixed revolving rack has the spacing traveller that runs through the gear box, and the powerful spring coil has been cup jointed in the outside of spacing traveller, when main drive gear takes place vibrations with secondary drive gear transmission effect, the powerful spring coil can carry out elastic deformation with the transmission impact force between main drive gear and the secondary drive gear and cushion, thereby noise when having reduced gear drive, simultaneously because the elastic action of powerful spring coil, can make secondary drive gear elasticity extrusion in main drive gear's outside. Thereby improving the transmission stability of the gear set.

Description

Engine gear transmission mechanism

Technical Field

The utility model belongs to the technical field of the engine, specifically be an engine gear drive.

Background

An engine is a machine that can convert other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is applicable to both the power generation device and the whole machine including the power device. Engines were first introduced in the united kingdom, and the engine concept is also derived from english, which is meant in its meaning as "power generating machinery".

However, in the existing engine gear transmission mechanism, an elastic buffer structure is not arranged between a main transmission gear and an auxiliary transmission gear, when the main transmission gear and the auxiliary transmission gear are in transmission action, vibration and noise are easy to generate, meanwhile, the distance between the main transmission gear and the auxiliary transmission gear cannot be effectively reduced, the transmission stability is poor, secondly, the existing engine gear transmission mechanism is internally provided with a mechanism capable of circularly pumping engine oil, the gear inside the engine cannot be effectively subjected to circular oil injection treatment, when the gear is in long-term transmission action, the abrasion of a gear set is easily increased, and therefore the service life of the engine is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the engine gear transmission mechanism aims to solve the problems that an elastic buffer structure is not arranged between a main transmission gear and a secondary transmission gear, vibration and noise are easily generated during transmission, and engine oil cannot be pumped and conveyed circularly.

The utility model adopts the technical scheme as follows: an engine gear transmission mechanism comprises an engine shell and a main transmission gear, wherein a first transmission shaft penetrating through the engine shell is rotatably connected inside the engine shell, crankshafts are symmetrically welded at the center of the inside of the first transmission shaft, a piston is arranged above the crankshafts inside the engine shell, the crankshafts are in transmission connection with the piston through a connecting rod, a gear box is welded outside the engine shell and positioned at one side of the first transmission shaft, one end of the first transmission shaft is positioned inside the gear box and is in transmission connection with the main transmission gear, an oil pumping fluted disc is in meshing connection with the inside of the gear box and positioned below the main transmission gear, an oil guide partition plate is welded inside the gear box and positioned outside the oil pumping fluted disc, an auxiliary transmission gear is in meshing connection with the inside of the gear box and positioned above the main transmission gear, and a second transmission shaft penetrating through the gear, the inside of gear box is located auxiliary drive gear's the outside and is provided with fixed revolving rack, the welding of the top of fixed revolving rack has the spacing traveller that runs through the gear box, and the outside of spacing traveller has cup jointed powerful spring ring, the outside welding that the inside of gear box is located auxiliary drive gear has spouts the dish, and spouts the dish and pass through pipe and oil baffle intercommunication of leading.

Wherein, the outside of first transmission shaft is located one side welding of engine housing and has first belt pulley.

Wherein, the vertical section of the fixed rotating frame is of an inverted U-shaped structure.

And a second belt pulley is welded on one side, which is positioned on the gear box, of the outside of the second transmission shaft.

The vertical section of the oil guide partition plate is of an arc-shaped structure, and the inner diameter of the oil guide partition plate is larger than the outer diameter of the oil pumping fluted disc.

The spraying plates are arranged in two groups, the two groups of spraying plates are symmetrically distributed about a vertical central line of the gear box, and the cross sections of the two groups of spraying plates are of arc-shaped structures.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the inside elasticity buffer structure that is provided with of this engine gear drive, at the outside fixed revolving rack that sets up of secondary drive gear, and the top welding of fixed revolving rack has the spacing traveller that runs through the gear box, and the powerful spring coil has been cup jointed in the outside of spacing traveller, when main drive gear takes place vibrations with secondary drive gear transmission effect, the powerful spring coil can carry out elastic deformation with the transmission impact force between main drive gear and the secondary drive gear and cushion, thereby noise when having reduced gear drive, simultaneously because the elastic action of powerful spring coil, can make secondary drive gear elasticity extrusion in main drive gear's outside. Thereby improving the transmission stability of the gear set.

2. The utility model discloses in, the inside oil extraction fluted disc that sets up of gear box, under main drive gear's transmission effect, can clockwise high-speed rotation, thereby will lead the machine oil of storing between the oil baffle, through the fast-speed inside of spouting the dish of carrying of pipe, spout the dish can be with even spraying of machine oil to main drive gear and auxiliary drive gear's surface, thereby reduced main drive gear and auxiliary drive gear's rigid contact wearing and tearing, this kind of structure can realize circulation oil spout and handle, both reduced the wearing and tearing between the gear train, the life of engine has also been prolonged simultaneously.

Drawings

FIG. 1 is a schematic diagram of a gear transmission mechanism of an engine according to the present invention;

FIG. 2 is a partial enlarged view of the position A of the present invention;

fig. 3 is a side sectional view of the middle gearbox of the present invention.

The labels in the figure are: 1. an engine housing; 2. a first drive shaft; 3. a crankshaft; 4. a connecting rod; 5. a piston; 6. a first belt pulley; 7. a gear case; 8. a main drive gear; 9. an oil pumping fluted disc; 10. a secondary drive gear; 11. a second drive shaft; 12. fixing the rotating frame; 13. a limiting sliding column; 14. a strong spring ring; 15. an oil guide partition plate; 16. spraying a disc; 17. a conduit; 18. a second belt reel.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, an engine gear transmission mechanism comprises an engine housing 1 and a main transmission gear 8, wherein a first transmission shaft 2 penetrating through the engine housing 1 is rotatably connected inside the engine housing 1, crankshafts 3 are symmetrically welded at the center inside the first transmission shaft 2, a piston 5 is arranged inside the engine housing 1 and above the crankshaft 3, the crankshaft 3 is in transmission connection with the piston 5 through a connecting rod 4, a gear box 7 is welded outside the engine housing 1 and at one side of the first transmission shaft 2, one end of the first transmission shaft 2 is in transmission connection with the main transmission gear 8 and inside the gear box 7 and below the main transmission gear 8, an oil pumping fluted disc 9 is in meshing connection with the inside of the gear box 7 and outside the oil pumping fluted disc 9, an oil guide partition plate 15 is welded outside the oil pumping fluted disc 9, and an auxiliary transmission gear 10 is in meshing connection with the inside the gear box, and one side of the auxiliary transmission gear 10 is in transmission connection with a second transmission shaft 11 penetrating through the gear box 7, a fixed rotating frame 12 is arranged inside the gear box 7 and positioned outside the auxiliary transmission gear 10, a limiting sliding column 13 penetrating through the gear box 7 is welded on the top of the fixed rotating frame 12, a strong spring ring 14 is sleeved on the outer side of the limiting sliding column 13, a spray plate 16 is welded on the outer side of the auxiliary transmission gear 10 inside the gear box 7, and the spray plate 16 is communicated with an oil guide partition plate 15 through a guide pipe 17.

The outside of first transmission shaft 2 is located one side welding of engine housing 1 and has first belt pulley 6, the vertical cross-section of fixed revolving rack 12 is the structure of falling the U type, the outside of second transmission shaft 11 is located one side welding of gear box 7 has second belt pulley 18, the vertical cross-section of leading oil baffle 15 is the arc structure, and the internal diameter of leading oil baffle 15 is greater than the external diameter of oil pumping fluted disc 9, it is provided with two sets ofly altogether to spout the dish 16, and two sets of vertical central line symmetric distribution about gear box 7 that spout dish 16, and the cross-section of two sets of dishes 16 that spout is the arc structure.

The first belt pulley 6 and the second belt pulley 18 are arranged, so that the transmission of the engine is connected, the fixed rotating frame 12 with the inverted U-shaped structure is used for fixing the auxiliary transmission gear 10, the oil guide partition plate 15 with the arc-shaped structure is used for facilitating the storage of engine oil and the extrusion discharge treatment, and the quality of engine oil injection treatment is improved due to the arrangement of the two groups of spraying discs 16.

The working principle is as follows: when the engine is used, the piston 5 in the engine shell 1 can drive the first transmission shaft 2 to rotate at a high speed through the connecting rod 4, so as to drive the main transmission gear 8 to rotate anticlockwise at a high speed, when the main transmission gear 8 rotates anticlockwise, the oil pumping fluted disc 9 can be driven to rotate clockwise at a high speed, the oil pumping fluted disc 9 can convey the engine oil stored between the oil guide partition plates 15 to the inside of the spray disc 16 at a high speed through the guide pipe 17, the spray disc 16 can uniformly spray the engine oil to the surfaces of the main transmission gear 8 and the auxiliary transmission gear 10, so as to reduce the rigid contact abrasion between the main transmission gear 8 and the auxiliary transmission gear 10, so as to reduce the abrasion between the gear sets, the outer side of the limiting sliding column 13 is sleeved with the strong spring ring 14, when the transmission action of the main transmission gear 8 and the auxiliary transmission gear 10 vibrates, the strong spring ring 14 can elastically deform and buffer the, thereby reducing the transmission noise of the primary transmission gear 8 and the secondary transmission gear 10, and simultaneously, the secondary transmission gear 10 can be elastically extruded outside the primary transmission gear 8 due to the elastic action of the strong spring ring 14. Thereby improving the transmission stability of the main transmission gear 8 and the auxiliary transmission gear 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An engine gear transmission mechanism comprising an engine case (1) and a main transmission gear (8), characterized in that: the engine is characterized in that a first transmission shaft (2) penetrating through the engine shell (1) is rotatably connected inside the engine shell (1), crankshafts (3) are symmetrically welded at the center of the inside of the first transmission shaft (2), a piston (5) is arranged above the crankshaft (3) inside the engine shell (1), the crankshafts (3) are in transmission connection with the piston (5) through connecting rods (4), a gear box (7) is welded at one side of the outside of the engine shell (1) located at the first transmission shaft (2), one end of the first transmission shaft (2) is located at the inside of the gear box (7) and is connected with a main transmission gear (8), an oil pumping fluted disc (9) is in meshing connection with the inside of the gear box (7) located below the main transmission gear (8), and an oil guide partition plate (15) is welded at the outside of the oil pumping fluted disc (9) inside of the gear box (7), the inside meshing that is located main drive gear (8) of gear box (7) is connected with auxiliary drive gear (10), and one side transmission of auxiliary drive gear (10) is connected with second transmission shaft (11) that runs through gear box (7), the outside that the inside of gear box (7) is located auxiliary drive gear (10) is provided with fixed revolving rack (12), the top welding of fixed revolving rack (12) has spacing traveller (13) that runs through gear box (7), and the outside of spacing traveller (13) has cup jointed powerful spring ring (14), the outside welding that the inside of gear box (7) is located auxiliary drive gear (10) has spout dish (16), and spouts dish (16) and leads oil baffle (15) intercommunication through pipe (17).

2. An engine gear assembly as set forth in claim 1, wherein: a first belt pulley (6) is welded on one side, located on the engine shell (1), of the outer portion of the first transmission shaft (2).

3. An engine gear assembly as set forth in claim 1, wherein: the vertical section of the fixed rotating frame (12) is of an inverted U-shaped structure.

4. An engine gear assembly as set forth in claim 1, wherein: and a second belt pulley (18) is welded at one side of the gear box (7) outside the second transmission shaft (11).

5. An engine gear assembly as set forth in claim 1, wherein: the vertical section of the oil guide partition plate (15) is of an arc-shaped structure, and the inner diameter of the oil guide partition plate (15) is larger than the outer diameter of the oil pumping fluted disc (9).

6. An engine gear assembly as set forth in claim 1, wherein: the spraying plates (16) are arranged in two groups, the two groups of spraying plates (16) are symmetrically distributed around the vertical central line of the gear box (7), and the sections of the two groups of spraying plates (16) are of arc-shaped structures.