Outboard engine dissection teaching device

Abstract

The utility model is suitable for the technical field of outboard engines, and provides an outboard engine dissection teaching device, which comprises a base; the outboard engine body is fixed on the base; the top cover is detachably mounted on the outboard engine body; the plurality of functional parts are arranged on the outboard engine body; the at least one section is used for displaying the internal structure of the outboard engine body, through the transparent section design, students can directly observe the internal structure of the outboard engine, and understanding is deepened; a simulation structure is adopted, so that potential safety hazards possibly caused by using a real outboard engine are avoided; main functional parts of the outboard engine are reserved, and comprehensive operation demonstration can be carried out; students can operate each part personally, so that the learning interest and effect are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of outboard motors, and particularly relates to an outboard motor dissection teaching device. Background Art

[0002] An outboard motor is an important part of a ship propulsion system and is widely used in small boats, fishing boats, recreational boats, etc. With the rapid development of ocean engineering and the shipbuilding industry, the demand for talents in outboard motor operation, maintenance, and repair is also increasing. However, traditional outboard motor teaching methods often have the following problems:

[0003] 1. Disconnection between theory and practice: Existing teaching mainly relies on textbooks and two-dimensional pictures, making it difficult for students to intuitively understand the three-dimensional structure and working principle of outboard motors.

[0004] 2. High cost of physical teaching: Using real outboard motors for teaching is not only costly but also poses safety hazards, making it difficult for students to operate and disassemble them in person.

[0005] 3. Invisible internal structure: The internal structure of ordinary outboard motors is shielded by the outer shell, and students cannot observe the working status and interrelationships of key components.

[0006] 4. Limited function demonstration: In actual teaching, it is difficult to show the performance changes and adjustment methods of outboard motors under different working conditions.

[0007] 5. Insufficient maintenance training: Students lack practical maintenance and fault diagnosis experience, making it difficult to cultivate practical skills.

[0008] 6. Low teaching efficiency: Traditional teaching methods are difficult to meet the learning needs of a large number of students at the same time, resulting in low teaching efficiency.

[0009] 7. Safety issues: Using real outboard motors for teaching may pose safety hazards such as mechanical injuries and fuel leakage.

[0010] 8. Poor environmental adaptability: Traditional teaching equipment often requires specific venues and environments, lacking flexibility.

[0011] In view of the above problems, there is an urgent need to develop a teaching device that can intuitively display the structure of outboard motors, is safe and reliable, and is easy to operate. The outboard motor dissection teaching device provided by the utility model is designed to solve these problems. Summary of the Utility Model

[0012] The utility model provides an outboard motor dissection teaching device to solve the technical problems of existing traditional outboard motor teaching.

[0013] The utility model provides an outboard motor dissection teaching device, including:

[0014] Base;

[0015] An outboard engine body fixed to the base;

[0016] A top cover detachably mounted on the outboard engine body;

[0017] A plurality of functional components provided on the outboard engine body; and

[0018] At least one cross-section for showing the internal structure of the outboard engine body.

[0019] Specifically, the plurality of functional components include:

[0020] An anode installed outside the outboard engine body;

[0021] An anti-vortex plate provided at the lower part of the outboard engine body;

[0022] A course adjustment fin fixed below the anti-vortex plate; and

[0023] A propeller connected to the end of the outboard engine body through a drive shaft.

[0024] Specifically, it further includes:

[0025] A cooling water inlet opened near the gearbox of the outboard engine body; and

[0026] A trim adjustment mechanism connecting the outboard engine body and the base.

[0027] Specifically, the trim adjustment mechanism includes:

[0028] A trim adjustment rod connecting the outboard engine body and the base;

[0029] An inclination positioning pin rod provided between the outboard engine body and the base; and

[0030] An inclination support knob installed on the side of the outboard engine body.

[0031] Specifically, it further includes:

[0032] A manual starter handle installed on the top cover and connected to the internal flywheel; and

[0033] A choke button provided on the top cover and connected to the carburetor.

[0034] Specifically, it further includes a steering handle fixed to the outboard engine body, and the steering handle is provided with:

[0035] A throttle friction adjuster for adjusting the throttle operation resistance;

[0036] A friction regulator for adjusting the steering operation resistance; and

[0037] A stop button for emergently stopping the engine.

[0038] Specifically, the at least one cross-section includes:

[0039] A longitudinal cross-section showing the internal structure of the engine through a transparent material; and

[0040] A transverse cross-section showing the transmission system, gearbox and cooling system through a transparent material.

[0041] Specifically, it further includes a top cover locking rod for fixing the top cover and the outboard engine body.

[0042] Specifically, it further includes a clamping bracket for fixing the outboard engine body on the base, and a transom clamping handle used in cooperation with the clamping bracket.

[0043] Specifically, it further includes a serial number position marked on the outboard engine body for identifying model information.

[0044] The outboard engine dissection teaching device of the present utility model has the following beneficial effects:

[0045] 1. Intuitive structure: Through the transparent cross-section design, students can directly observe the internal structure of the outboard engine and deepen their understanding.

[0046] 2. Safe and reliable: Using a simulated structure, it avoids the potential safety hazards that may be brought by using a real outboard engine.

[0047] 3. Complete functions: The main functional components of the outboard engine are retained, and comprehensive operation demonstrations can be carried out.

[0048] 4. Strong interactivity: Students can operate each component in person, improving their learning interest and effect.

[0049] 5. Convenient maintenance: The detachable design is convenient for students to learn maintenance and fault diagnosis skills.

[0050] 6. High cost-effectiveness: A set of devices can be used repeatedly by multiple students, greatly reducing the teaching cost.

[0051] 7. Environmentally friendly: It does not require the use of real fuel, avoiding environmental pollution.

[0052] 8. Flexibly applicable: The device is convenient for moving and storing and can be used in different teaching scenarios.

[0053] 9. Standardized teaching: It provides a unified teaching platform, which helps to standardize teaching.

[0054] 10. Innovative learning: Encourage students to think about the improved design of outboard motors and cultivate their innovative abilities.

[0055] Through the outboard motor dissection teaching device of the present utility model, the teaching quality and efficiency of knowledge related to outboard motors can be significantly improved, providing strong support for cultivating high-quality marine engineering and ship maintenance talents. Description of the Drawings

[0056] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0057] Figure 2 is another structural schematic diagram of the present utility model;

[0058] Figure 3 is yet another structural schematic diagram of the present utility model; Detailed Description of the Preferred Embodiments

[0059] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above description of the drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0060] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0061] The following detailed description of the specific embodiments of the present utility model will be made with reference to the accompanying drawings.

[0062] As Figures 1-3 shown, the outboard motor dissection teaching device of the present utility model includes a base, an outboard motor body, a top cover 1, a plurality of functional components, and at least one section.

[0063] The base is made of high-strength alloy material and has sufficient stability and load-bearing capacity. The bottom of the base is provided with a non-slip rubber pad with dimensions of 1000mm × 800mm × 50mm, which can ensure that the device does not slide during operation.

[0064] The outboard engine body is fixed on the base. The YAMAHA 30HMHS two-stroke outboard engine is adopted, with a displacement of 496CC, a maximum output power of 22.1kW (30ps) / 5500rpm, and a net weight of 53kg. This model is selected because it has a typical two-stroke outboard engine structure and a moderate weight, which is convenient for teaching operation. The outboard engine body is connected to the base through 4 M12 high-strength bolts to ensure stability.

[0065] The top cover 1 is detachably installed on the outboard engine body. The top cover 1 is made of corrosion-resistant ABS engineering plastic with a thickness of 3mm and has good protection performance. The top cover 1 is connected to the outboard engine body through the top cover locking rod 2. The top cover locking rod 2 is made of stainless steel, with a diameter of 6mm and a length of 100mm. One end is hinged to the top cover 1, and the other end is equipped with a quick-release buckle, which can realize the quick disassembly and assembly of the top cover 1, facilitating learners to observe the internal structure.

[0066] Multiple functional components include but are not limited to the following components:

[0067] Anode 3: Installed at multiple positions outside the outboard engine body, made of high-purity magnesium alloy material (content ≥ 99.9%), with a total weight of about 200g, distributed at 5 - 7 key parts. The anode 3 is fixed by bolts for easy regular replacement. The service life of the anode 3 is about 100 hours or half a year, and the replacement time can be judged by observing its corrosion degree.

[0068] Anti-vortex plate 4: Set at the lower part of the outboard engine body, made of high-strength glass fiber-reinforced nylon material with a thickness of 5mm. The design angle of the anti-vortex plate 4 is 15°, the length is 300mm, and the width is 200mm. These parameters are obtained through hydrodynamic calculations and experimental optimizations, which can effectively reduce water flow vortices and increase the propulsion efficiency by about 5 - 8%.

[0069] Course adjustment fin 5: Fixed below the anti-vortex plate 4 and also has the function of an anode. The course adjustment fin 5 is made of magnesium alloy material, with dimensions of 100mm × 50mm × 10mm. The adjustable angle range of the course adjustment fin 5 is ±5°, and fine adjustment is achieved through adjustment bolts. Each adjustment of 1° can change the course of the ship by about 2 - 3°.

[0070] Propeller 6: Connected to the end of the transmission shaft of the outboard engine body through a spline shaft, made of aluminum-nickel-bronze alloy material, with good strength and corrosion resistance. The model of the propeller 6 is 3×13-1 / 2×15×K, where 3 represents a three-blade propeller, 13-1 / 2 represents the propeller diameter (inches), 15 represents the pitch (inches), and K represents the propeller type. This configuration can provide a thrust of about 300kg at 5500rpm.

[0071] Cooling water inlet 7: It is opened near the gearbox of the outboard motor body, with a diameter of 10 mm, covered with a stainless steel filter screen, and the mesh size is 1 mm × 1 mm. The position of the cooling water inlet 7 is optimized to ensure sufficient cooling water can be inhaled under different working conditions (such as idling, full speed, tilting, etc.), and the cooling water flow rate is about 20 - 30 L / min.

[0072] Trim adjustment mechanism: It includes a trim adjustment rod 8, a tilt positioning pin rod 18, and a tilt support knob 19.

[0073] The trim adjustment rod 8 connects the outboard motor body and the base, is made of high-strength alloy steel material, with a length of 400 mm and a diameter of 20 mm. The adjustable range of the trim adjustment rod 8 is 0° - 20°, and a fixed hole is set every 2°, and it is fixed by a pin. This design allows the operator to adjust the optimal working angle according to different water conditions and loads.

[0074] The tilt positioning pin rod 18 is used to lock the tilt position, is made of stainless steel material, with a diameter of 8 mm and a length of 150 mm. The tilt positioning pin rod 18 adopts a spring-loaded design and can be automatically locked to improve operation safety.

[0075] The tilt support knob 19 is installed on the side of the outboard motor body, is made of high-strength nylon material, with a diameter of 30 mm. The load-bearing capacity of the tilt support knob 19 is 100 kg, and it can support the engine weight during maintenance to ensure operation safety.

[0076] The manual starter handle 11 is installed on the top cover 1 and is connected to the internal flywheel. The manual starter handle 11 adopts an ergonomic design, with a grip diameter of 30 mm and a length of 150 mm, and the surface is covered with anti-slip rubber to ensure comfortable operation. The manual starter handle 11 is connected to the flywheel by a steel wire rope, the diameter of the steel wire rope is 3 mm, and the length is 1500 mm, and it can withstand a tensile force of 200 kg.

[0077] The choke button 12 is connected to the carburetor and is used to adjust the intake during cold start. The stroke of the choke button 12 is 10 mm, and it adopts a spring return mechanism with a spring stiffness of 2 N / mm. The choke button 12 is connected to the carburetor choke by a steel wire rope, and can achieve the adjustment of fully open, fully closed, and intermediate positions.

[0078] The steering handle 14 is set on the outboard motor body and integrates multiple control functions. The length of the steering handle 14 is 500 mm, is made of aluminum alloy material, and the surface is sprayed with an anti-slip rubber coating. The steering handle 14 can achieve a steering angle of ±35°, and transmits the steering force through an internal gear mechanism.

[0079] The throttle friction regulator 15 is installed on the steering handle 14 and is used to adjust the throttle operation resistance. The throttle friction regulator 15 adopts a threaded adjustment mechanism with a pitch of 1 mm, and can achieve a resistance adjustment of 0 - 5 N·m, meeting the needs of different operators.

[0080] The friction regulator 10 is also installed on the steering handle 14 and is used to adjust the steering operation resistance. The adjustment range of the friction regulator 10 is 0 - 5 N·m, and it adopts a disc spring pressing structure to achieve stepless adjustment.

[0081] The stop button 16 is set on the steering handle 14 and is used to emergently stop the engine. The stop button 16 has a prominent red design, with a diameter of 20 mm and a triggering force of 5 N. The stop button 16 is connected to the engine ignition system, and pressing it can immediately cut off the ignition circuit to achieve emergency shutdown.

[0082] The outboard engine dissection teaching device of the present utility model further includes at least one section for showing the internal structure:

[0083] Longitudinal section: showing the internal structure of the engine, including the cylinder, piston, crankshaft and transmission shaft. The longitudinal section is made of transparent acrylic material with a thickness of 10 mm and dimensions of 500 mm × 300 mm. The longitudinal section is connected to the outboard engine body through a hinge and can be opened for observation, facilitating learners to closely observe the internal structure.

[0084] Transverse section: showing the internal structures of the gearbox and the cooling system. The transverse section is also made of transparent acrylic material with a thickness of 8 mm and dimensions of 300 mm × 200 mm. The transverse section adopts a detachable design and is fixed by 4 quick-release bolts.

[0085] In addition, the present utility model further includes a clamping bracket 9 and a transom clamping handle 17 for simulating the installation method of the outboard engine on an actual boat. The clamping bracket 9 is made of aluminum alloy material with a thickness of 10 mm and a width of 200 mm. The transom clamping handle 17 is made of engineering plastic material with a length of 150 mm, and can achieve a clamping range adjustment of 0 - 50 mm.

[0086] The serial number position 13 is also marked on the outboard engine body for explaining how to identify and find the outboard engine model information during teaching. The serial number position 13 is engraved by laser, with a character height of 3 mm, clear and durable.

[0087] In practical applications, the outboard engine dissection teaching device can be used for practical teaching in related majors such as ocean engineering and ship maintenance. Teachers can demonstrate the working principle of the outboard engine to students by operating various functional components, such as turning the steering handle 14 and adjusting the trim adjustment lever 8. By observing the longitudinal section and the transverse section, students can intuitively understand the internal structure of the engine and the transmission system. In the teaching of maintenance, operations such as disassembling the top cover 1, replacing the anode 3, and the propeller 6 can be demonstrated.

[0088] Through reasonable structural design and material selection, the outboard engine dissection teaching device of the present utility model realizes the perfect combination of teaching functions and the performance of actual outboard engines. It can not only enable students to deeply understand the structure and working principle of outboard engines, but also cultivate students' practical operation and maintenance capabilities, providing strong support for cultivating high-quality talents in ocean engineering and ship maintenance.

[0089] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions, or other adjustments to the features in the various embodiments of the present utility model without creative efforts according to the circumstances, so as to obtain different technical solutions that essentially do not deviate from the concept of the present utility model, and these technical solutions also fall within the scope of protection of the present utility model.

Claims

1. An outboard engine dissection teaching device, characterized in that, Comprising: A base; An outboard engine body fixed to the base; A top cover (1) detachably mounted on the outboard engine body; A plurality of functional components provided on the outboard engine body; and At least one cross-section for showing the internal structure of the outboard engine body.

2. The outboard engine dissection teaching device according to claim 1, characterized in that, The plurality of functional components include: An anode (3) mounted outside the outboard engine body; An anti-vortex plate (4) provided at the lower part of the outboard engine body; A course adjusting fin (5) fixed below the anti-vortex plate (4); and A propeller (6) connected to the end of the outboard engine body through a transmission shaft.

3. The outboard engine anatomical teaching device according to claim 2, characterized in that, It further includes: A cooling water inlet (7) opened near the gearbox of the outboard engine body; And A trim adjusting mechanism connecting the outboard engine body and the base.

4. The outboard engine dissection teaching device according to claim 3, characterized in that, The trim adjusting mechanism includes: A trim adjusting rod (8) connecting the outboard engine body and the base; An inclination positioning pin rod (18) provided between the outboard engine body and the base; and An inclination support knob (19) mounted on the side of the outboard engine body.

5. The outboard engine dissection teaching device according to claim 1, characterized in that, It further includes: A manual starter handle (11) mounted on the top cover (1) and connected to the internal flywheel; And A choke button (12) provided on the top cover (1) and connected to the carburetor.

6. The outboard engine dissection teaching device according to claim 1, characterized in that, It further includes a steering handle (14) fixed to the outboard engine body, and on the steering handle (14) there are provided: A throttle friction adjuster (15) for adjusting the throttle operation resistance; A friction adjuster (10) for adjusting the steering operation resistance; and A stop button (16) for emergently stopping the engine.

7. The outboard engine dissection teaching device according to claim 1, characterized in that, The at least one cross-section includes: A longitudinal cross-section showing the internal structure of the engine through a transparent material; and A transverse cross-section showing the transmission system, the gearbox and the cooling system through a transparent material.

8. The outboard engine anatomy teaching device according to claim 1, wherein, It further includes a top cover locking rod (2) for fixing the top cover (1) and the outboard engine body.

9. The outboard engine dissection teaching device according to claim 1, wherein It further includes a clamping bracket (9) for fixing the outboard engine body on the base, and a transom clamping handle (17) used in cooperation with the clamping bracket (9).

10. The outboard engine anatomical teaching device according to claim 1, wherein, It further includes a serial number position (13) marked on the outboard engine body for identifying model information.

Images