CN216070471U - Sacrificial anode anticorrosion outboard engine - Google Patents

Abstract

The utility model discloses an outboard engine with an anticorrosion sacrificial anode, which solves the problem of serious paint coating corrosion of the outboard engine in the prior art, and comprises an outboard engine body, an outboard engine base, a large anode disc and an anode block, wherein the outboard engine base is arranged at the bottom of the outboard engine body; the large anode disc is arranged at the bottom of the outboard engine base; the outboard engine body is internally provided with the anode block; the anode block is arranged on the surface of the large anode disc; the large anode disk is mounted in a completely flooded area. The outboard engine has the advantages that the anode block on the surface of the outboard engine can be automatically detached and installed, the use and the replacement are convenient, and the service life of the outboard engine can be prolonged.

Description

Sacrificial anode anticorrosion outboard engine

Technical Field

The utility model relates to the field of outboard engines, in particular to an outboard engine with a sacrificial anode for corrosion prevention.

Background

With the technical development of yachts and outboard motors, the application of the yachts and the outboard motors in sea areas is more and more extensive, the complex content of minerals such as salt and the like in seawater is higher, the corrosion to the outboard motors is very serious, and the requirement on the corrosion resistance of the outboard motors is increasingly prominent.

The existing anticorrosion technology of the outboard engine mainly depends on a surface paint coating process and is suitable for a freshwater area, but the electrochemical reaction is severe in seawater, so that the engine body is seriously corroded, and the good protection effect cannot be realized. Therefore, a metal which is more active than the material of the outboard engine is needed to be assembled on each position of the outboard engine, so that seawater preferentially corrodes the active metal, and the purpose of protecting the outboard engine is achieved.

For example, a "oil seal for outboard engine" disclosed in chinese patent literature, whose publication number CN211820724U, published as 10 and 30 of 2020, includes a circular oil seal rubber body, the inner annular wall of which is provided with a concave sealing surface, and the outer annular wall of which is provided with an annular clamping groove with an "L" shaped cross section and is clamped with an outer wrapping framework; the oil seal rubber body is internally provided with a metal shaping framework, and the inner end surface of the oil seal rubber body is provided with a clamping groove and is clamped with an oil seal spring. Compared with the rubber inner-wrapped framework oil seal on the market, the metal outer-wrapped framework oil seal has the advantages of good strength, high hardness, more convenience in assembly and capability of completely avoiding the situation that the oil seal generates trimming edges in the assembly process; the corrosion resistance of the material is very good, and the corrosion resistance of the outboard engine in seawater for a long time is ensured to reach the optimal state. The oil seal does not prevent the outboard engine from corroding in seawater.

Disclosure of Invention

The utility model provides an outboard engine with a sacrificial anode for corrosion prevention, aiming at overcoming the problem of serious paint coating corrosion of the outboard engine in the prior art, and adopting the following technical scheme for realizing the purpose:

the sacrificial anode anti-corrosion outboard engine comprises an outboard engine body, an outboard engine base, a large anode disc and an anode block, wherein the outboard engine base is arranged at the bottom of the outboard engine body; the large anode disc is arranged at the bottom of the outboard engine base; the outboard engine body is internally provided with the anode block; the anode block is arranged on the surface of the large anode disc; the large anode disk is mounted in a completely flooded area. Anodes are assembled at all positions of the outboard engine and are connected with all parts through anode grounding wires, and the contact surface keeps full conductivity, so that the anodes are firstly sacrificed, and the anti-corrosion capability of the outboard engine is enhanced.

Preferably, the outboard engine body comprises an operating handle, a bracket and a machine head drainage side cover, wherein the operating handle is arranged at the top of the bracket, the operating handle and the bracket are arranged at the bottom of the machine head drainage side cover, and the outboard engine body is coated with an insulating electrophoretic coating. The electrophoretic coating is flat, has insulativity, chemical resistance and water resistance, and good insulativity can prevent the reaction efficiency of the primary battery formed by the anode block and the machine body from being influenced.

Preferably, the outboard engine base comprises a base, an overwater positioning pin and a spline shaft, the overwater positioning pin and the spline shaft are arranged at the bottom of the base, the base is arranged at the bottom of the machine head drainage side cover, and the operating handle and the bracket are arranged in the overwater positioning pin and the spline shaft.

Preferably, the number of the anode blocks is N, and N is more than or equal to 1. Each part of the outboard engine can be protected, and the outboard engine can be better prevented from being corroded by seawater.

Preferably, the parts inside the outboard engine body are all communicated with the anode block. The parts in the outboard engine body are connected and communicated with the anode block through the water positioning pin, the spline shaft and other connecting pieces, and the effect of corrosion prevention of the parts is achieved.

Preferably, the anode block includes, but is not limited to, a block shape. According to different use conditions, the mounting and gluing device is adjusted to be in a shape of a sheet, a hemisphere and the like so as to achieve the best mounting and gluing effect.

Preferably, the anode block is adsorbed on the surface of the outboard engine body through waterproof glue. The contact part of the anode block and the outboard engine is the maximum contact area of the current shape, so that the efficiency of reduction reaction is ensured, and the formed battery has good effect.

Preferably, the anode block is an active metal having a higher reducibility than the material of the outboard engine, such as a zinc alloy. Has better reduction reaction, and the outboard engine is not easy to be corroded.

The utility model has the following beneficial effects: anodes are assembled at all positions of the outboard engine and are connected with all parts through anode grounding wires, and the contact surface keeps full conductivity, so that the anodes are firstly sacrificed, and the corrosion resistance of the outboard engine is enhanced; the anode block on the surface of the outboard engine can be automatically detached and installed, is convenient to use and replace, and can prolong the service life of the outboard engine.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram of the structural design of the present invention.

In the figure: 1 operating a handle; 2, a bracket; 3 machine head drainage side cover; 4, a base; 5, an upper water positioning pin and a spline shaft; 6 underwater large anode disk, 7 cathode, 8 anode and 9 seawater.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

Example (b):

fig. 1 shows that the outboard engine with sacrificial anode corrosion protection provided by the embodiment includes a machine head drainage side cover, a bracket, a steering handle, a base, a large anode disc, an overwater positioning pin and spline shaft, a grounding wire and a plurality of anode blocks. Operating handle installs at the bracket top, and operating handle and bracket are installed in aircraft nose drainage side cap bottom, and locating pin and integral key shaft on water install the bottom at the base, and the pedestal mounting is in the bottom of aircraft nose drainage side cap, and operating handle and bracket are installed in locating pin and integral key shaft on water, and the outboard engine organism scribbles insulating electrophoretic coating. Parts of each part of the outboard engine body are connected with the anode block through standard parts such as the water positioning pin, the spline shaft and the connecting wire, and form a primary battery with seawater. A machine head drainage side cover is arranged above the outboard engine body, N anode blocks are arranged on the machine head drainage side cover, N is larger than or equal to 1, and N anode blocks are arranged on the bracket, wherein N is larger than or equal to 1. The base and the grounding wire are connected with the outboard engine body, and the water positioning pin and the spline shaft are connected with the underwater large anode disc. The underwater large anode disk is completely immersed in water.

Fig. 2 is a schematic diagram of the structural design of the present embodiment. The electrochemical reduction reaction principle is applied to the field of corrosion prevention of the outboard engine, the cathode and the anode of a primary battery are built in the outboard engine and on the surface of an engine body, and the protection of all parts and the engine body of the outboard engine is realized by using a mode of protecting the cathode by a sacrificial anode; when the outboard engine is put into use, the outboard engine body and the anode block form a primary battery through seawater, and when the outboard engine body faces the risk of being corroded, the anode block and the large anode disc which are corroded firstly are the anode block with strong reducibility according to the principle of the primary battery, so that the corrosion of the seawater to the outboard engine body is reduced. The specific implementation process is as follows: (1) taking an outboard engine body and parts as a cathode of a primary battery, and taking an anode block and a large anode disc as an anode of the primary battery; (2) using seawater as electrolyte solution; (3) by placing the anode block and the large anode disk on the surface of the body to form a closed loop, the anode loses electrons, the electrons are transferred to the cathode through seawater, and the cathode obtains electrons. The machine body is externally provided with an insulating electrophoretic coating, so that the reaction efficiency of the anode block can be improved.

It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (8)

1. The outboard engine with the sacrificial anode for corrosion prevention comprises an outboard engine body, an outboard engine base, a large anode disc and an anode block, and is characterized in that the outboard engine base is arranged at the bottom of the outboard engine body; the large anode disc is arranged at the bottom of the outboard engine base; the outboard engine body is internally provided with the anode block; the anode block is arranged on the surface of the large anode disc; the large anode disk is mounted in a completely flooded area.

2. The outboard engine with the sacrificial anode for corrosion prevention as claimed in claim 1, wherein the outboard engine body comprises an operating handle (1), a bracket (2) and a machine head drainage side cover (3), the operating handle (1) is arranged on the top of the bracket (2), the operating handle (1) and the bracket (2) are arranged on the bottom of the machine head drainage side cover (3), and the outboard engine body is coated with an insulating electrophoretic coating.

3. The outboard engine with the sacrificial anode for corrosion prevention as claimed in claim 2, wherein the outboard engine base comprises a base (4) and a water positioning pin and a spline shaft (5), the water positioning pin and the spline shaft (5) are arranged at the bottom of the base (4), the base (4) is arranged at the bottom of the machine head drainage side cover (3), and the operating handle (1) and the bracket (2) are arranged in the water positioning pin and the spline shaft (5).

4. The outboard engine with the sacrificial anode for corrosion prevention as claimed in claim 1, wherein the number of the anode blocks is N, and N is greater than or equal to 1.

5. The outboard engine of claim 1, wherein the components inside the outboard engine body are electrically connected to the anode block.

6. The outboard engine of claim 1, wherein said anode block includes a block shape, a sheet shape and an oval shape.

7. The outboard engine with the sacrificial anode protected against corrosion of claim 1, wherein the anode block is attached to the surface of the outboard engine body by a waterproof adhesive.

8. The outboard engine of claim 1, wherein said anode block is an active metal having a reducibility greater than that of the outboard engine material.

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