Steering limiting protection device suitable for high-horsepower electric outboard engine

Abstract

The utility model relates to the technical field of limiting devices, in particular to a steering limiting protection device suitable for a high-horsepower electric outboard engine. The utility model particularly discloses a steering limiting protection device suitable for a high-horsepower electric outboard engine, the steering limiting protection device is arranged between a middle shell of the outboard engine and a motor, the steering limiting protection device comprises a limiting chuck and a limiting pin arranged in the middle shell, the limiting chuck comprises a limiting groove formed in an arc shape, and the limiting pin is arranged in the limiting groove. The limiting chuck is fixedly connected to a motor, and the limiting pin is matched with the limiting groove in an inserted mode. The steering limiting protection device is compact and reasonable in structure, the space of the outboard engine shell is not additionally occupied, the relative rotation angle of the motor and the outboard engine shell is limited through mechanical cooperation of the limiting groove and the limiting pin, and the safety and reliability of steering control of the outboard engine are greatly improved.

Description

Technical Field

[0001] This patent relates to the technical field of limit devices, and in particular to a steering limit protection device suitable for high-horsepower electric outboard motors. Background Art

[0002] Most of the existing outboard motor tilting devices use mechanical limiters to control the tilting and steering, and the steering control of the outboard motor mostly uses hydraulic or motor driven steering.

[0003] When hydraulic steering is used, the steering angle is related to the range of motion of the hydraulic rod. This method has high requirements for the hydraulic equipment. Frequent steering operations have a greater impact on the hydraulic equipment. If the hydraulic equipment fails, the steering range of the outboard motor will be out of control. At this time, if the steering angle of the outboard motor is too large, it is very easy to cause the boat to drift and capsize, posing a major safety hazard. When an electric motor is used for steering drive, the steering range of the outboard motor is related to the travel range of the steering motor. Frequent steering operations after long-term use can easily cause the steering range of the steering motor to shift, affecting the steering control of the outboard motor.

[0004] Based on the above shortcomings, it is necessary to make improvements. Summary of the invention

[0005] In view of the deficiencies in the above-mentioned prior art, the purpose of this patent is to provide a steering limit protection device suitable for high-horsepower electric outboard motors, which is arranged between the middle housing of the outboard motor and the motor. The steering limit protection device includes a limit chuck and a limit pin arranged on the middle housing. The limit chuck includes an arc-shaped limit groove. The limit chuck is fixedly connected to the motor, and the limit pin is plugged into and matched with the limit groove.

[0006] As another preferred feasible solution: the limiting groove is a blind hole groove recessed from a side of the limiting chuck facing away from the motor.

[0007] As another preferred feasible solution: the limiting groove is a limiting through hole.

[0008] As another preferred feasible solution: the limiting chuck includes at least two limiting grooves arranged opposite to each other.

[0009] As another preferred feasible solution: the limit chuck includes three limit grooves that are relatively spaced apart.

[0010] As another preferred feasible solution: the limiting column pin is plug-connected to the intermediate shell; or, the limiting column pin is a protrusion integrally formed with the intermediate shell.

[0011] After adopting the above structure, the advantages of this patent compared with the prior art are as follows: The structure of this steering limit protection device is compact and reasonable, without occupying extra space of the outboard engine housing. The relative rotation angle between the motor and the outboard engine housing is limited by the mechanical cooperation of the limit groove and the limit pin, greatly improving the safety and reliability of the steering control of the outboard engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below in conjunction with the drawings and embodiments:

[0013] Figure 1 is a schematic diagram of the overall structure of the cooperation between the intermediate housing of the outboard engine and the motor;

[0014] Figure 2 is a schematic cross-sectional view of the overall assembly structure of the steering limit protection device according to an embodiment of the present invention;

[0015] Figure 3 is a schematic diagram of the overall structure of the cooperation between the steering limit protection device according to an embodiment of the present invention and the motor;

[0016] Figure 4 is a schematic diagram of the structure of the steering limit protection device according to an embodiment of the present invention;

[0017] Figure 5 is a schematic diagram of the overall structure of the cooperation between the limit pin and the intermediate housing of the outboard engine according to an embodiment of the present invention.

[0018] In the figure: 10 - limit chuck; 11 - limit groove; 12 - shaft through hole; 13 - fixing hole; 20 - intermediate housing; 21 - limit pin; 30 - motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and 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, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0021] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection or a detachable 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, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The following is only a preferred embodiment of the present invention, and it does not limit the protection scope of the present invention accordingly.

[0023] For the embodiments, see Figures 1 to 5 As shown: A steering limit protection device applicable to a large-horsepower outboard motor is arranged between the intermediate housing 20 and the motor 30 of the outboard motor. The steering limit protection device includes a limit chuck 10 and a limit pin 21 arranged on the intermediate housing. The limit chuck 10 includes a limit groove 11 arranged in an arc shape. The limit chuck 10 is fixedly connected to the motor 30, and the limit pin 21 is inserted and matched with the limit groove 11.

[0024] Preferably: The limit groove 11 is a blind hole groove recessed from the side of the limit chuck 10 facing away from the motor 30. Alternatively, the limit groove 11 is a limit through hole. The limit chuck 10 further includes a through hole 12 arranged at the center of the limit chuck and fixing holes 13 arranged at intervals around the through hole 12. Both the through hole 12 and the fixing holes 13 are through holes. The through hole 12 is for the output shaft of the motor 30 to pass through, and the fixing holes 13 are for installing fixing screws to fixedly connect the limit chuck 10 to the motor 30.

[0025] The limit chuck 10 includes three limit grooves 11 arranged at intervals relative to each other. The limit grooves 11 arranged at intervals and the limit pin 21 cooperate with each other to improve the overall structural strength of the limit structure and extend the service life.

[0026] The limit pin 21 is inserted and connected to the intermediate housing 20; alternatively, the limit pin 21 is a convex point integrally formed with the intermediate housing 20.

[0027] Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A steering limit protection device suitable for a high-horsepower electric outboard motor, arranged between the outboard motor intermediate housing and the motor, characterized in that: The steering limit protection device includes a limit chuck and a limit pin arranged on the intermediate housing, the limit chuck includes an arc-shaped limit groove, the limit chuck is fixedly connected to the motor, and the limit pin is plugged into and matched with the limit groove.

2. The steering limit protection device according to claim 1, characterized in that: The limiting groove is a blind hole groove recessed from a side of the limiting chuck facing away from the motor.

3. The steering limit protection device according to claim 1, characterized in that: The limiting groove is a limiting through hole.

4. The steering limit protection device according to any one of claims 2 or 3, characterized in that: The limiting chuck includes at least two limiting grooves arranged opposite to each other.

5. The steering limit protection device according to claim 4, characterized in that: The limiting chuck comprises three limiting grooves which are arranged relatively at intervals.

6. The steering limit protection device according to claim 1, characterized in that: The limiting pin is plug-connected to the intermediate shell; or, the limiting pin is a protrusion integrally formed with the intermediate shell.

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