CN211655874U

CN211655874U - Water cooling structure of electric outboard engine

Info

Publication number: CN211655874U
Application number: CN202020614218.7U
Authority: CN
Inventors: 林毅良; 张�杰; 王承卓; 张大临; 罗波
Original assignee: Chongqing Jingsui Cruise Manufacturing Co ltd
Current assignee: Chongqing Jingsui Cruise Manufacturing Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-10-09
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to an electric outboard engine water cooling structure, which comprises an engine body base, wherein the engine body base is connected with a motor through a motor fixing seat; a cooling water jacket is arranged on the motor; the motor fixing seat is an aluminum alloy piece, a vertical through hole is formed in the motor fixing seat body, and the output end of the motor is connected with the vertical driving shaft through the vertical through hole; a water through hole which penetrates through the machine body base in the vertical direction is formed in the machine body base, a water inlet flow channel is formed in the motor fixing seat, one end of the water inlet flow channel is located on the lower surface of the motor fixing seat and communicated with the water through hole, the other end of the water inlet flow channel is located on the side face of the motor fixing seat and communicated to a water inlet of the cooling water jacket through a water inlet pipe, and a water outlet of the; the lower extreme in water hole connects the inlet channel, and the inlet channel downwardly extending connects the water pump that is driven by vertical drive shaft. The utility model discloses an add the motor fixing base of aluminium system, can simplify organism base structural design, combine cooling jacket to carry out more multiaspect heat transfer cooling to the motor together, promote the cooling effect.

Description

Water cooling structure of electric outboard engine

Technical Field

The utility model belongs to the technical field of the advancing device or the steering device of boats and ships, concretely relates to electronic outboard engine water-cooling structure.

Background

The outboard engine is commonly used, an internal combustion engine is used as a power source, an electric motor is used as a power source, and with the improvement of environmental protection requirements, the outboard engine using the electric motor as the power source is correspondingly developed, for example, CN101353082A, CN205327382U, CN205239876U, CN206590091U and CN203348426U all disclose the structural characteristics of respective electric outboard engines, wherein the outboard engine related to CN205327382U can also shift gears and provides a specific structural design of three-gear shifting; the CN101353082A also relates to the specific structural design of motor water cooling, but the outboard engine with water cooling structure like CN101353082A has limited cooling effect, the base of the engine body needs to be connected with the motor and the steering handle, the connection reliability is not sufficient, and the experience of flexibility, labor saving and the like of steering operation needs to be improved.

Disclosure of Invention

The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide an electronic outboard engine water-cooling structure, avoid the electronic outboard engine of current water-cooling to the not enough problem of cooling effect of motor, gain and improve cooling effect, connect reliable effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the water cooling structure of the electric outboard engine comprises an engine body base, wherein a motor is arranged on the engine body base, the motor is in driving connection with a vertical driving shaft, and the vertical driving shaft downwards extends through the engine body base so as to drive a lower output shaft; a cooling water jacket is arranged on the motor; the motor is connected to the machine body base through a motor fixing seat so as to be connected conveniently, the motor fixing seat is an aluminum alloy piece so as to be beneficial to heat dissipation of the motor, the motor is connected to the upper surface of the motor fixing seat, the lower surface of the motor fixing seat is connected with the upper surface of the machine body base, a vertical through hole is formed in a motor fixing seat body, and the output end of the motor is in driving connection with the vertical driving shaft through the vertical through hole; a water through hole which penetrates through the machine body base in the vertical direction is formed in the machine body base, a sealing gasket is arranged between the upper surface part of the machine body base at least along the upper edge of the water through hole and the lower surface of the corresponding motor fixing seat, a water inlet flow channel is also formed in the motor fixing seat, one end of the water inlet flow channel is located on the lower surface of the motor fixing seat and is communicated with the water through hole, the other end of the water inlet flow channel is located on the side surface of the motor fixing seat and is communicated to a water inlet of the cooling water jacket through a water inlet; the lower end of the water passing hole is connected with a water inlet pipeline, and the water inlet pipeline extends downwards and is connected with a water pump driven by a vertical driving shaft so as to supply water upwards.

The effect is as follows: the utility model discloses an electronic outboard engine water-cooling structure through addding the motor fixing base of aluminium system, can simplify the structural design of organism base to combine cooling jacket to carry out more multiaspect heat transfer cooling to the motor in the use together, promote the cooling effect to the motor.

Further perfecting the technical scheme, the machine body base is connected with the raising mechanism through a steering support, the steering support is T-shaped and comprises a vertical rotating cylinder serving as a rotating shaft, the upper end of the rotating cylinder respectively extends forwards and backwards to form a support arm and two support arms, the support arms are fixedly connected with the machine body base through the two support arms, and the free end of the support arm is connected with a steering handle through a steering bracket; the lifting mechanism comprises a left clamping bracket, a right clamping bracket and a rotating bracket, wherein the lifting bracket is rotatably connected between the left clamping bracket and the right clamping bracket and is provided with a connecting base cylinder; the rotating cylinder of the steering support can be rotatably arranged in the connecting base cylinder of the rotating bracket in a penetrating way.

The effect is as follows: the connection between the machine body base and the steering part and the motor fixing seat is reliable; through the connection design of the steering support and the rotating bracket, the overall structural strength of the outboard engine can be improved, the assembly and installation of all components and the whole outboard engine are convenient, and the assembly and disassembly are convenient; the turning cylinder of the steering support is used as a turning shaft, and the steering handle connected with one arm of the steering support can conveniently and reliably steer, the steering force is long, the use is flexible and labor-saving, and the operation comfort is improved.

Further, the concave connection cavity that is equipped with of upper surface of body base, the intercommunication has been seted up to body base's side the connection trompil of connecting the cavity, two support arms are connected by the symmetry and are constituteed in the both sides of rotating the barrel and the two spinal branch legs that extend backward, and two spinal branch legs extend backward connect the trompil and with fix connect the diplopore bumper shock absorber in the cavity and correspond continuously.

The effect is as follows: the vibration that the organism part passed through the mechanism of warping up and transmit the hull in the reducible use promotes driver and crew and experiences the sense.

Furthermore, the double-hole shock absorber is arranged in a cavity which is arranged on the bottom wall of the connecting cavity from top to bottom and used for limiting the horizontal displacement of the connecting cavity, the double-hole shock absorber is fixedly connected in the connecting cavity through a vertical bolt, the two support legs are respectively provided with a through inner hole, and a long bolt penetrates through a metal connecting pipe of the double-hole shock absorber and the inner holes of the corresponding support legs and is connected in a bolting mode; the motor fixing seat covers the connecting cavity.

The effect is as follows: the connection reliability of the steering support and the machine body base can be further ensured.

Furthermore, the lower surface of the machine body base is connected with an overwater shell, the lower surface of the overwater shell is connected with an underwater shell, the output shaft is positioned in the underwater shell, and the free end of the output shaft extends out of the underwater shell and is synchronously connected with a propeller in a rotating mode; the vertical driving shaft extends downwards through the machine body base and the water shell and is in transmission connection with the output shaft in the underwater shell; the lower end of the rotary cylinder body is connected with a damping mechanism connected to the outer side of the water shell.

The effect is as follows: the assembly and disassembly are convenient; the outer shell of the electric outboard engine is divided into an upper shell and an underwater shell which are vertically arranged, the upper shell can be fixed on the lower surface of the engine body base from bottom to top through screws, and the underwater shell is fixed on the lower surface of the upper shell from bottom to top through screws; the lower end of the rotary cylinder body is connected with a damping mechanism connected to the outer side of the water shell, so that the upper part and the lower part of the engine body are correspondingly connected with the upper end and the lower end of the rotary cylinder body, and the stability of the outboard engine in use can be further improved. The water pump can be arranged at the joint surface position of the water shell and the underwater shell and is connected to the upper surface of the underwater shell through screws so as to be convenient to connect and fix.

Drawings

Fig. 1 is a schematic structural view of a water cooling structure of an electric outboard engine according to an embodiment;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a cross-sectional view (illustrating an internal structure) of FIG. 2;

FIG. 4 is a detail view of a motor mount in an embodiment;

FIG. 5 is a bottom view of FIG. 4;

fig. 6 is a perspective view of a water cooling structure of an electric outboard engine according to an embodiment;

fig. 7 is a schematic view of parts ((top cover, water housing, motor fixing seat, cooling water jacket)) continuing to be hidden from fig. 6;

FIG. 8 is a schematic illustration of parts of a steering support and rotation bracket in an exemplary embodiment;

FIG. 9 is a schematic view of the parts (left and right holding brackets, underwater housing) of FIG. 7 with parts still hidden;

FIG. 10 is a top view of FIG. 9;

the engine body base 1, the connecting chamber 11, the connecting opening 12, the water passing hole 13, the vertical driving shaft 14, the motor fixing seat 15, the vertical through hole 151, the water inlet channel 152, the cooling water jacket 16, the water inlet pipe 161, the water inlet 162, the water outlet 163, the water outlet pipe 164, the water inlet pipe 17, the water pump 18, the engine cover 2, the top cover 21, the air inlet 211, the bottom cover 22, the water upper shell 3, the damping mechanism 31, the water lower shell 4, the output shaft 41, the propeller 42, the double-hole damper 5, the vertical bolt 51, the metal connecting pipe 52, the long bolt 53, the steering bracket 6, the rotating cylinder 61, the support arm 62, the two support arms 63, the support leg 631, the steering bracket 64, the steering handle 65, the tilting mechanism 7, the left clamping bracket 71, the right clamping bracket 72, the rotating bracket 73 and the connecting base.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 10, the water-cooling structure of the electric outboard engine of the embodiment includes an engine body base 1, an engine hood 2 is connected to the engine body base 1, and a motor is arranged in the engine hood 2 and connected to the upper surface of the engine body base 1; the engine hood 2 comprises a top hood 21 and a bottom hood 22 which are buckled up and down, the bottom hood 22 is connected to the engine body base 1, and the top hood 21 is buckled and connected to the bottom hood 22; the lower surface of the machine body base 1 is connected with the water-surface shell 3, the lower surface of the water-surface shell 3 is connected with the underwater shell 4, an output shaft 41 is arranged in the underwater shell 4, and the free end of the output shaft 41 extends out of the underwater shell 4 and is synchronously connected with a propeller 42 in a rotating mode; the motor is connected with a vertical driving shaft 14 in a driving mode, and the vertical driving shaft 14 extends downwards through the machine body base 1 and the water shell 3 and is connected with the output shaft 41 in the underwater shell 4 in a transmission mode through a gear shifting execution mechanism.

Referring to fig. 8, the machine body base 1 is connected to the raising mechanism 7 through the steering support 6, the steering support 6 is T-shaped and includes a vertical rotating cylinder 61 serving as a rotating shaft, the upper end of the rotating cylinder 61 extends forward and backward to form a support arm 62 and two support arms 63, and is fixedly connected to the machine body base 1 through the two support arms 63, and the free end of the support arm 62 is connected to the steering handle 65 through the steering bracket 64; the lifting mechanism 7 comprises a left clamping bracket 71, a right clamping bracket 72 and a rotating bracket 73 which is rotatably connected between the left clamping bracket and the right clamping bracket in a lifting manner, and the rotating bracket 73 is provided with a connecting base cylinder 732; the rotating cylinder 61 of the steering support 6 can be rotatably inserted into the inner hole of the connecting base cylinder 732 of the rotating bracket 73, so that the left and right clamping brackets are clamped and fixed on the ship board, conventionally, the rotating bracket 73 and the left and right clamping brackets are fixed through bolts, the steering handle 65 exerts force to drive the machine body base 1 to rotate by taking the rotating cylinder 61 as a rotation center so as to achieve the purpose of turning, and the lower end of the rotating cylinder 61 penetrates through the connecting base cylinder 732 and is connected with the damping mechanism 31 connected to the outer side of the water shell 3; the lower end of the connection base cylinder 732 may be rotatably connected to the damper mechanism 31, or may naturally extend to the upper surface of the damper mechanism 31, so that the axial movement of the rotary cylinder 61 in the connection base cylinder 732 may be restricted. The shift control mechanism is connected to the inner side of the bottom wall of the bottom cover 22, and a shift switching rod of the shift control mechanism vertically extends downwards to penetrate into the underwater shell 4 after extending through the bottom cover 22 and the inner hole of the rotating cylinder 61 so as to drive the shift switching of the shift actuating mechanism, namely the lower end of the shift switching rod is in driving connection with the shift actuating mechanism in the underwater shell 4.

Referring to fig. 3-5, the motor is connected to the machine body base 1 through a motor fixing seat 15 for convenient connection, the motor fixing seat 15 is an aluminum alloy member for facilitating heat dissipation of the motor, the motor is connected to the upper surface of the motor fixing seat 15, a cooling water jacket 16 is arranged on the motor, the lower surface of the motor fixing seat 15 is connected to the upper surface of the machine body base 1, a vertical through hole 151 is formed in the body of the motor fixing seat 15, and the output end of the motor is in driving connection with the vertical driving shaft 14 through the vertical through hole 151; a water through hole 13 which penetrates vertically is formed in the machine body base 1, a sealing gasket is arranged between the upper surface part of at least one circle of the machine body base 1 on the upper edge of the water through hole 13 and the lower surface of the corresponding motor fixing seat 15, a water inlet flow channel 152 is also formed in the motor fixing seat 15, one end of the water inlet flow channel 152 is located on the lower surface of the motor fixing seat 15 and is communicated with the water through hole 13, the other end of the water inlet flow channel 152 is located on the side surface of the motor fixing seat 15 and is communicated to a water inlet 162 of the cooling water jacket 16 through a water inlet pipe 161, and a water outlet 163 of; the lower end of the water through hole 13 is connected with a water inlet pipe 17, and the water inlet pipe 17 extends downwards and is connected with a water pump 18 driven by a vertical driving shaft 14 so as to supply water upwards. The water inlet pipe is arranged in the water shell 3 in a penetrating way. The water pump 18 is arranged at the joint position of the water shell 3 and the underwater shell 4, and is connected to the upper surface of the underwater shell 4 through screws so as to be convenient to connect and fix.

Referring to fig. 9 and 10, the upper surface of the machine body base 1 is concavely provided with a connecting chamber 11, the side surface of the machine body base 1 is provided with a connecting opening 122 communicated with the connecting chamber 11, the two support arms 63 are composed of two support legs 631 symmetrically connected to two sides of the rotating cylinder 61 and extending backwards, and the two support legs 631 extend backwards through the connecting opening 122 and are correspondingly connected with the double-hole shock absorber 5 fixed in the connecting chamber 11.

The double-hole shock absorber 5 is arranged in a cavity which is used for limiting the horizontal displacement of the connecting cavity 11 from top to bottom on the bottom wall of the connecting cavity, the shape of the cavity corresponds to that of the double-hole shock absorber 5, the double-hole shock absorber 5 is fixedly connected in the connecting cavity 11 through a vertical bolt 51 which penetrates through a fixing through hole of the double-hole shock absorber 5, the two supporting legs 631 are respectively provided with penetrating inner holes (in the same direction as the length direction of the double-hole shock absorber), and the long bolt 53 penetrates through the metal connecting pipe 52 of the double-hole shock absorber 5 and the inner holes of the corresponding supporting legs 631 and; the motor holder 15 covers the connection chamber 11. During implementation, the motor fixing seat 15 is connected through a plurality of screws penetrating through the machine body base 1 from bottom to top, and a sealing gasket is fully arranged between the lower surface of the motor fixing seat 15 and the upper surface of the machine body base 1 so as to facilitate balance after installation and installation.

Referring to fig. 6, the damping mechanism 31 is connected to the lower end of the rotating cylinder 61 through a vertical through hole, the damping mechanism 31 is provided with two connecting parts extending backwards to form a U-shaped structure, the two connecting parts extend to two sides of the water casing 3, and a damping layer is provided between the damping mechanism 31 and the surfaces of the two connecting parts opposite to the water casing 3.

When in use, the top cover 21 is provided with an air inlet 211 for facilitating the heat dissipation of the motor.

According to the water cooling structure of the electric outboard engine, the aluminum motor fixing seat 15 is additionally arranged, so that the structural design of the engine body base 1 can be simplified, the cooling water jacket 16 is combined to carry out heat transfer cooling on more surfaces of a motor in the use process, and the cooling effect on the motor is improved; the connection between the machine body base 1 and the steering part and the motor fixing seat 15 is reliable.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The water cooling structure of the electric outboard engine comprises an engine body base, wherein a motor is arranged on the engine body base, the motor is in driving connection with a vertical driving shaft, and the vertical driving shaft downwards extends through the engine body base so as to drive a lower output shaft; a cooling water jacket is arranged on the motor; the method is characterized in that: the motor is connected to the machine body base through a motor fixing seat so as to be connected conveniently, the motor fixing seat is an aluminum alloy piece so as to be beneficial to heat dissipation of the motor, the motor is connected to the upper surface of the motor fixing seat, the lower surface of the motor fixing seat is connected with the upper surface of the machine body base, a vertical through hole is formed in a motor fixing seat body, and the output end of the motor is in driving connection with the vertical driving shaft through the vertical through hole; a water through hole which penetrates through the machine body base in the vertical direction is formed in the machine body base, a sealing gasket is arranged between the upper surface part of the machine body base at least along the upper edge of the water through hole and the lower surface of the corresponding motor fixing seat, a water inlet flow channel is also formed in the motor fixing seat, one end of the water inlet flow channel is located on the lower surface of the motor fixing seat and is communicated with the water through hole, the other end of the water inlet flow channel is located on the side surface of the motor fixing seat and is communicated to a water inlet of the cooling water jacket through a water inlet; the lower end of the water passing hole is connected with a water inlet pipeline, and the water inlet pipeline extends downwards and is connected with a water pump driven by a vertical driving shaft so as to supply water upwards.

2. The electric outboard engine water-cooling structure according to claim 1, wherein: the machine body base is connected with the tilting mechanism through a steering support, the steering support is T-shaped and comprises a vertical rotating cylinder serving as a rotating shaft, the upper end of the rotating cylinder extends forwards and backwards to form a support arm and two support arms respectively, the support arms are fixedly connected with the machine body base through the two support arms, and the free end of the support arm is connected with a steering handle through a steering bracket; the lifting mechanism comprises a left clamping bracket, a right clamping bracket and a rotating bracket, wherein the lifting bracket is rotatably connected between the left clamping bracket and the right clamping bracket and is provided with a connecting base cylinder; the rotating cylinder of the steering support can be rotatably arranged in the connecting base cylinder of the rotating bracket in a penetrating way.

3. The electric outboard engine water-cooling structure according to claim 2, wherein: the concave connection cavity that is equipped with of upper surface of body base, the intercommunication has been seted up to body base's side connect the connection trompil of cavity, two support arms are connected by the symmetry and are constituteed in the both sides of rotating the barrel and the two landing legs that extend backward connect the trompil and with fix connect the diplopore bumper shock absorber correspondence in the cavity and link to each other.

4. The electric outboard engine water-cooling structure according to claim 3, wherein: the double-hole shock absorber is arranged in a cavity which is arranged on the bottom wall of the connecting cavity from top to bottom and used for limiting the horizontal displacement of the connecting cavity, the double-hole shock absorber is fixedly connected in the connecting cavity through a vertical bolt, the two support legs are respectively provided with a through inner hole, and a long bolt penetrates through a metal connecting pipe of the double-hole shock absorber and the inner holes of the corresponding support legs and is connected in a bolting mode; the motor fixing seat covers the connecting cavity.

5. The electric outboard engine water-cooling structure according to claim 1, wherein: the lower surface of the machine body base is connected with an overwater shell, the lower surface of the overwater shell is connected with an underwater shell, the output shaft is positioned in the underwater shell, and the free end of the output shaft extends out of the underwater shell and is synchronously connected with a propeller in a rotating mode; the vertical driving shaft extends downwards through the machine body base and the water shell and is in transmission connection with the output shaft in the underwater shell.

6. The electric outboard engine water-cooling structure according to claim 5, wherein: the water pump is arranged at the position of the joint surface of the water shell and the underwater shell and is connected to the upper surface of the underwater shell through screws so as to be convenient to connect and fix.