CN216443769U - Transmission mechanism of horizontal outboard engine - Google Patents
Transmission mechanism of horizontal outboard engine Download PDFInfo
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- CN216443769U CN216443769U CN202122663641.3U CN202122663641U CN216443769U CN 216443769 U CN216443769 U CN 216443769U CN 202122663641 U CN202122663641 U CN 202122663641U CN 216443769 U CN216443769 U CN 216443769U
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Abstract
The utility model discloses a transmission mechanism of a horizontal outboard engine, which comprises a shell, an engine and a transmission assembly, wherein a first belt pulley is arranged on an output shaft of the engine; the transmission assembly comprises a first rotating shaft which is rotatably arranged in the shell, a second belt pulley is arranged at one end of the first rotating shaft, and a transmission belt is sleeved on the first belt pulley and the second belt pulley; a first bevel gear is arranged on the first rotating shaft; a second rotating shaft is rotatably arranged below the shell, and a propeller is arranged at the outer side end of the second rotating shaft; a transmission shaft is also rotatably arranged in the machine shell, the upper end of the transmission shaft is in meshing transmission connection with the first bevel gear through a second bevel gear, a second gear is arranged at the lower end of the transmission shaft, and the second gear is meshed with the first gear on the second rotating shaft. The transmission mechanism is high in universality, the engine can be freely replaced according to different power requirements and use scenes, the vertical shaft engine and the transmission system do not need to be redesigned, and the development cost of the outboard engine is greatly saved.
Description
Technical Field
The utility model relates to the field of ship power, in particular to a transmission mechanism of a horizontal outboard engine.
Background
Outboard engines are propulsion engines mounted on the outside of a hull, and are also called outboard engines, which are usually suspended on the outside of a transom. The outboard engine has high integration level and simple installation and selective purchase, is the preferred power of the personal leisure entertainment boat, and is widely applied to the fields of commercial operation and government law enforcement.
With the rapid development of the boat industry at home and abroad, the demand for outboard engines is increasing year by year, and the power demand for the outboard engines is gradually increased. Meanwhile, due to different use environment places, the requirement on the reliability of the outboard engine is gradually improved.
Most of the conventional vertical shaft gasoline outboard engines on the market at present have vertical structures, engine crankshafts are directly connected with a transmission shaft and drive propellers by bevel gears, the propellers are driven by forward and reverse rotating mechanisms on propeller spindles, and the engine uses gasoline as fuel, so that users are often troubled in fuel selection and storage in specific places.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the transmission mechanism of the horizontal outboard engine, which has higher universality and can freely replace the engine according to different power requirements and use scenes.
In order to achieve the purpose, the utility model provides the following technical scheme: a transmission mechanism of a horizontal outboard engine comprises a casing, an engine and a transmission assembly arranged in the casing, wherein the engine is arranged on the casing through a bracket, and an output shaft of the engine is provided with a first belt pulley;
the transmission assembly comprises a first rotating shaft which is rotatably arranged in the shell, a second belt pulley is arranged at one end of the first rotating shaft, and a transmission belt is sleeved on the first belt pulley and the second belt pulley; at least one first bevel gear is arranged on the first rotating shaft;
a second rotating shaft is rotatably arranged below the shell, a first gear is arranged at the inner side end of the second rotating shaft, and a propeller is arranged at the outer side end of the second rotating shaft;
the shell is further internally and rotatably provided with a transmission shaft, the upper end of the transmission shaft is in meshing transmission connection with the first bevel gear through a second bevel gear, the lower end of the transmission shaft is provided with a second gear, and the second gear is meshed with the first gear.
The engine drives the output shaft to rotate, the output shaft rotates to drive the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the transmission belt, the second belt pulley rotates to drive the first rotating shaft to rotate, the first rotating shaft drives the rotating shaft of the transmission shaft through the first bevel gear, and the transmission shaft drives the second rotating shaft and the propeller to rotate through the gear.
This application only needs to design simple and easy support through the generalized drive mechanism of brand-new design, directly installs the engine on the casing through the support, changes the flywheel on the engine into first belt pulley simultaneously, rotates through driving belt drive assembly, and then makes the screw rotate. The transmission mechanism is high in universality, the engine can be freely replaced according to different power requirements and use scenes, different diesel engines or gasoline engines are selected, the vertical shaft engine and the transmission system do not need to be redesigned, and the development cost of the outboard engine is greatly saved. In addition, the transmission mechanism is simple and reliable in structure and beneficial to later maintenance.
Preferably, the first rotating shaft is provided with two first bevel gears which are oppositely arranged, the first rotating shaft is also provided with a claw-shaped clutch, and the claw-shaped clutch is positioned between the two first bevel gears; the claw clutch is connected with the first rotating shaft through a spline, the claw clutch slides between the two first bevel gears, and the first bevel gears on the first rotating shaft are meshed with the second bevel gears on the transmission shaft so as to realize the forward and reverse rotation of the transmission shaft.
Preferably, a tension pulley is further installed in the housing, and the tension pulley is located inside the transmission belt and abuts against the transmission belt.
Preferably, a gear box is mounted in the housing, and the transmission assembly is disposed in the gear box.
Preferably, a shielding plate extends above the propeller on the casing.
Preferably, the engine is a vehicle or marine engine.
In conclusion, the utility model has the following beneficial effects:
1. the transmission mechanism is high in universality, the engine can be freely replaced according to different power requirements and use scenes, different diesel engines or gasoline engines are selected, a vertical shaft engine and a transmission system do not need to be redesigned, and the development cost of an outboard engine is greatly saved;
2. the transmission mechanism has simple and reliable structure and is beneficial to later maintenance;
3. meanwhile, the transmission mechanism is integrated with a steering function.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. an engine; 2. a first pulley; 3. a drive belt; 4. a second pulley; 5. a gear case; 6. a support; 7. a first bevel gear; 8. a dog clutch; 9. a drive shaft; 10. a second rotating shaft; 11. a propeller.
Detailed Description
The utility model is further described with reference to the accompanying drawings.
The embodiment discloses a transmission mechanism of a horizontal outboard engine, which comprises a casing, an engine 1 and a transmission assembly arranged in the casing, wherein the engine 1 is arranged on the casing through a bracket 6, and an output shaft of the engine 1 is provided with a first belt pulley 2; the transmission assembly comprises a first rotating shaft which is rotatably arranged in the shell, a second belt pulley 4 is arranged at one end of the first rotating shaft, and a transmission belt 3 is sleeved on the first belt pulley 2 and the second belt pulley 4 to realize transmission connection of the first belt pulley and the second belt pulley; at least one first bevel gear 7 is arranged on the first rotating shaft; a second rotating shaft 10 is rotatably arranged below the casing, a first gear is arranged at the inner side end of the second rotating shaft 10, and a propeller 11 is arranged at the outer side end of the second rotating shaft 10; a transmission shaft 9 is further rotatably arranged in the machine shell, a second bevel gear is mounted at the upper end of the transmission shaft 9 and is in meshed transmission connection with the first bevel gear 7, and a second gear is mounted at the lower end of the transmission shaft 9 and is meshed with the first gear. Specifically, the first gear is a third bevel gear, the second gear is a fourth bevel gear, and the first gear and the second gear are meshed.
The engine 1 drives the output shaft to rotate, the output shaft rotates to drive the first belt pulley 2 to rotate, the first belt pulley 2 drives the second belt pulley 4 to rotate through the transmission belt 3, the second belt pulley 4 rotates to drive the first rotating shaft to rotate, the first rotating shaft drives the rotating shaft of the transmission shaft 9 through the first bevel gear 7, and the transmission shaft 9 drives the second rotating shaft 10 and the propeller 11 to rotate through the gear. This application only needs to design simple and easy support 6 through the generalized drive mechanism of brand-new design, directly installs engine 1 on the casing through support 6, changes the flywheel on engine 1 into first belt pulley 2 simultaneously, drives transmission assembly through driving belt 3 and rotates, and then makes screw 11 rotate. The transmission mechanism is high in universality, the engine 1 can be freely replaced according to different power requirements and use scenes, different diesel engines or gasoline engines are selected, the vertical shaft engine and the transmission system do not need to be redesigned, and the development cost of the outboard engine is greatly saved. In addition, the transmission mechanism is simple and reliable in structure and beneficial to later maintenance.
In some embodiments, two first bevel gears 7 are mounted on the first rotating shaft, the first rotating shaft is also mounted with a dog clutch 8, the dog clutch 8 is located between the two first bevel gears 7, and the gear teeth on the first bevel gears 7 are located on one side close to the dog clutch 8; the claw clutch 8 is connected with the first rotating shaft through a spline, the claw clutch 8 slides back and forth between the two first bevel gears 7, and the first bevel gear 7 on the first rotating shaft is meshed with the second bevel gear on the transmission shaft 9 to realize the forward and reverse rotation of the transmission shaft 9. Specifically, the two first bevel gears 7 include a first bevel gear a and a first bevel gear B, when the dog clutch 8 slides to the first bevel gear a, the dog clutch 8 is engaged with the first bevel gear a, the first rotating shaft rotates and drives the dog clutch 8 and the first bevel gear a to rotate, at this time, the first bevel gear B idles on the first rotating shaft, and at the same time, the first bevel gear a drives the second bevel gear and the transmission shaft 9 to rotate along the first direction; when the dog clutch 8 slides to the first bevel gear B, the dog clutch 8 is engaged with the first bevel gear B, and at this time, the first bevel gear a idles on the first rotating shaft, the first rotating shaft rotates and drives the dog clutch 8 and the first bevel gear B to rotate, and at the same time, the first bevel gear B drives the second bevel gear and the transmission shaft 9 to rotate along the second direction, where the first direction and the second direction are opposite. The two first bevel gears 7 rotate relative to the first rotating shaft and are responsible for power steering; the dog clutch 8 and the first rotating shaft can slide relatively and rotate simultaneously through splines; the second bevel gear on the transmission shaft 9 is fixed relative to the transmission shaft 9 and keeps engaged with the first bevel gear 7 on the first rotating shaft for a long time; the transmission shaft 9 is rotated forward and backward by the left and right sliding of the claw clutch 8 and the engagement of the first bevel gear 7 on the first rotating shaft, so as to drive the second rotating shaft 10 and the propeller 11 to rotate forward and backward, i.e. the transmission mechanism is integrated with a steering function.
In some embodiments, a tension pulley is further installed in the housing, and the tension pulley is located inside the driving belt 3 and is abutted against the driving belt 3. In this way, it serves to tighten the drive belt 3 against loosening.
Meanwhile, a gear box 5 is installed in the machine shell, and the transmission assembly is arranged in the gear box 5. Specifically, two first bevel gears 7 on a first rotating shaft, a claw clutch 8 and a second bevel gear on a transmission shaft 9 are arranged in the gear box 5, the first rotating shaft is rotatably arranged on the gear box 5, one end of the first rotating shaft extends out of the gear box 5, and a second belt pulley 4 is arranged on the first rotating shaft at the position extending out of the gear box 5. In addition, a shielding plate is extended above the propeller 11 on the casing.
The engine 1 is an automotive or marine engine. Therefore, the engine 1 is a commonly-used vehicle or ship engine 1 on the market, and the engine 1 can be directly mounted on the shell by simply modifying the bracket 6 for mounting the engine 1 to be matched with the engine 1.
In the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, and thus, should not be construed as limiting the present invention.
The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
1. A transmission mechanism of a horizontal outboard engine is characterized in that: the belt pulley transmission device comprises a machine shell, an engine (1) and a transmission assembly arranged in the machine shell, wherein the engine (1) is arranged on the machine shell through a support (6), and an output shaft of the engine (1) is provided with a first belt pulley (2);
the transmission assembly comprises a first rotating shaft which is rotatably arranged in the shell, a second belt pulley (4) is arranged at one end of the first rotating shaft, and a transmission belt (3) is sleeved on the first belt pulley (2) and the second belt pulley (4); at least one first bevel gear (7) is arranged on the first rotating shaft;
a second rotating shaft (10) is rotatably arranged below the machine shell, a first gear is installed at the inner side end of the second rotating shaft (10), and a propeller (11) is installed at the outer side end of the second rotating shaft (10);
a transmission shaft (9) is further rotatably arranged in the machine shell, the upper end of the transmission shaft (9) is in meshed transmission connection with the first bevel gear (7) through a second bevel gear, a second gear is mounted at the lower end of the transmission shaft (9), and the second gear is meshed with the first gear.
2. The transmission mechanism of a horizontal outboard engine according to claim 1, wherein: the first rotating shaft is provided with two first bevel gears (7) which are oppositely arranged, the first rotating shaft is also provided with a claw-shaped clutch (8), and the claw-shaped clutch (8) is positioned between the two first bevel gears (7); the claw clutch (8) is connected with the first rotating shaft through a spline, the claw clutch (8) slides between the two first bevel gears (7), and the first bevel gear (7) on the first rotating shaft is meshed with the second bevel gear on the transmission shaft (9) to realize the forward and reverse rotation of the transmission shaft (9).
3. The transmission mechanism for a horizontal outboard engine according to claim 1 or 2, wherein: still install the take-up pulley in the casing, the take-up pulley is located the inboard of driving belt (3) and offsets with driving belt (3).
4. The transmission mechanism of a horizontal outboard engine according to claim 2, wherein: a gear box (5) is installed in the machine shell, and the transmission assembly is arranged in the gear box (5).
5. The transmission mechanism of a horizontal outboard engine according to claim 1, wherein: a shielding plate also extends above the propeller (11) on the machine shell.
6. The transmission mechanism of a horizontal outboard engine according to claim 1, wherein: the engine (1) is a vehicle or marine engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663641.3U CN216443769U (en) | 2021-11-02 | 2021-11-02 | Transmission mechanism of horizontal outboard engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663641.3U CN216443769U (en) | 2021-11-02 | 2021-11-02 | Transmission mechanism of horizontal outboard engine |
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| Publication Number | Publication Date |
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| CN216443769U true CN216443769U (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122663641.3U Active CN216443769U (en) | 2021-11-02 | 2021-11-02 | Transmission mechanism of horizontal outboard engine |
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| CN (1) | CN216443769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954880A (en) * | 2022-07-02 | 2022-08-30 | 宁德时代电机科技有限公司 | Mechanical-shift-free direct seawater cooling integrated permanent magnet motor outboard propulsion system |
-
2021
- 2021-11-02 CN CN202122663641.3U patent/CN216443769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954880A (en) * | 2022-07-02 | 2022-08-30 | 宁德时代电机科技有限公司 | Mechanical-shift-free direct seawater cooling integrated permanent magnet motor outboard propulsion system |
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