CN209366405U - An electric hydrofoil surfing device - Google Patents

Abstract

The embodiments of the present invention provide a kind of electronic hydrofoil surfing device, it is related to surfboard field, including body, support rod, surfboard and driving assembly, one end of support rod is connect with body, surfboard and support rod are connected far from one end of body, driving assembly is connect with support rod, driving assembly is between surfboard and body, driving assembly includes driving motor, propeller and shield, driving motor is connect with support rod, the output axis connection of propeller and driving motor, the connection of the shell of shield and driving motor, shield includes inner wall part and outside wall portions, inner wall part is connect with driving motor, outside wall portions are connect with inner wall part, toroidal cavity is formed between inner wall part and outside wall portions, shield has datum level, datum level is overlapped with the axis of shield, the profile that datum level intercepts toroidal cavity is shuttle shape.In the timing of revolving speed one of motor, electronic hydrofoil surfing device compared with the existing technology, the rate of the electronic hydrofoil surfing device is faster.

Description

An electric hydrofoil surfing device

technical field

The utility model relates to the field of surfboards, in particular to an electric hydrofoil surfing device.

Background technique

At present, the electric hydrofoil surfing device is driven forward by a motor. Specifically, the output shaft of the motor drives the propeller to generate thrust to make the electric hydrofoil surfing device move forward, but the efficiency of the motor drive is low.

The inventor found in the research that the prior art has at least the following disadvantages:

The speed of the motor-driven hydrofoil surfing device in the prior art is slow.

Utility model content

The purpose of this utility model is to provide an electric hydrofoil surfing device, which improves the deficiencies of the prior art. When the rotation speed of the motor is constant, compared with the electric hydrofoil surfing device of the prior art, the speed of the electric hydrofoil surfing device is faster. Fast, the structure is reasonable in design and strong in practicability.

Embodiments of the present utility model can be realized like this:

The embodiment of the utility model provides an electric hydrofoil surfing device, which includes:

body;

a support rod, one end of the support rod is connected to the body;

a surfboard, the surfboard is connected to the end of the support rod away from the body;

a driving assembly, the driving assembly is connected to the support rod, and the driving assembly is located between the surfboard and the body;

The drive components include:

a drive motor, the drive motor is connected to the support rod;

a propeller, the propeller is connected with the output shaft of the drive motor;

A protective cover, the protective cover is connected with the housing of the drive motor, the protective cover is used to cover the propeller, the protective cover is a cylindrical structure, the protective cover includes an inner wall part and an outer wall part, the The inner wall part is connected to the drive motor, the outer wall part is connected to the inner wall part, and an annular cavity is formed between the inner wall part and the outer wall part;

The protective cover has a reference plane, the reference plane coincides with the axis of the protective cover, and the outline of the annular cavity cut by the reference plane is shuttle-shaped.

Specifically, when the rotational speed of the motor is constant, compared with the electric hydrofoil surfing device in the prior art, the speed of the electric hydrofoil surfing device is faster, the structure design is reasonable, and the practicability is strong.

Optionally, the drive assembly also includes a mounting piece and an electronic governor;

The mounting part is connected to the support rod, the mounting part is close to the body relative to the surfboard, and the mounting part has a first accommodation space;

The electronic speed controller is connected to the mounting part and is located in the first accommodation space, the electronic speed controller is electrically connected to the driving motor, and the electronic speed controller is used to adjust the speed of the driving motor. Rotating speed.

Optionally, the mounting member is provided with a plurality of through holes, and the plurality of through holes communicate with the first accommodation space.

Optionally, the mount includes a cylindrical portion and a tapered portion, the cylindrical portion is connected to the support rod, the tapered portion is connected to the cylindrical portion, the tapered portion is connected to the cylindrical The first accommodating space is formed between the parts, the plurality of through holes include a first through hole and a second through hole, the first through hole is located at the apex of the tapered part, and the second through hole It is arranged on the side wall of the cylindrical part.

Optionally, the electronic governor includes a third housing, a governor body and a first waterproof joint, and the drive motor also includes a second waterproof joint;

The third housing is connected to the mounting part, the governor body is located inside the third housing, and the first waterproof joint is connected to the side wall of the third housing;

The second waterproof joint is connected to the housing of the driving motor, the second waterproof joint is matched with the first waterproof joint, and the electric wire passes through the first waterproof joint and the second waterproof joint to make the adjustment The gearbox body is electrically connected with the drive motor.

Optionally, first strip-shaped protrusions and second strip-shaped protrusions are respectively provided on opposite sides of the third housing;

The inner wall of the mounting part is provided with a first strip-shaped groove and a second strip-shaped groove, the first strip-shaped protrusion is clamped in the first strip-shaped groove, and the second strip-shaped protrusion is clamped connected to the second strip groove.

Optionally, the support rod has a through cavity along the length direction of the support rod, and the through cavity is used for passing electric wires.

Optionally, the support rod includes:

a first side wall portion, the outer surface of the first side wall portion is an arc surface;

a second side wall portion, the second side wall portion is connected to the first side wall portion, and the through cavity is formed between the second side wall portion and the first side wall portion, the The outer surface of the second side wall portion is an arc surface;

A plurality of partitions, the plurality of partitions are connected to the first side wall portion and/or the second side wall portion, the plurality of partitions are distributed in the through chamber at intervals, the plurality of partitions The partitions extend along the length direction of the support rod, and the plurality of partitions divide the through chamber into a plurality of chambers.

Optionally, the number of the partitions is two, which are respectively the first partition and the second partition;

The first partition is located in the through chamber, one side of the first partition is connected to the first side wall, and the side of the first partition is away from the first side wall connected to the second side wall portion;

The second partition is located in the through chamber, one side of the second partition is connected to the first side wall, and the side of the second partition is away from the first side wall connected to the second side wall portion;

The first spacer, the second spacer, the first side wall portion and the second side wall portion enclose to form a first wiring channel.

Optionally, the support rod further includes a bar column, the support bar further includes a bar column, and the bar column is connected to the first side wall part and/or the second side wall part, so The bar column is provided with a first through hole, and the first through hole is sequentially provided with a first internal thread section, a smooth section and a second internal thread from one end of the bar column to the other end of the bar column part.

Optionally, the cross-section of the support rod along the width direction of the support rod is shuttle-shaped, drop-shaped or streamlined.

Compared with the existing technology, the beneficial effects of the embodiments of the present invention include, for example:

The utility model provides an electric hydrofoil surfing device. When the rotational speed of the motor is constant, compared with the electric hydrofoil surfing device in the prior art, the thickness of the middle part of the annular cavity of the protective cover of the electric hydrofoil surfing device is smaller than that of the annular cavity. The thickness at both ends of the cavity is large. According to the Venturi effect, it can be understood that when water flows through the inner wall and outer wall corresponding to the thicker part of the annular cavity, the flow velocity will increase, and a low pressure will be formed here, which can play a role. To attract the effect of external high-pressure water, the flow velocity of water is accelerated, and the speed of the electric hydrofoil surfing device is improved.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Figure 1 is a schematic structural view of an electric hydrofoil surfing device provided by an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the driving assembly provided by the embodiment of the present invention under the first viewing angle;

Fig. 3 is a schematic structural diagram of the driving assembly provided by the embodiment of the present invention under a second viewing angle;

Fig. 4 is a schematic structural view of the mounting part provided by the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of the electronic speed controller provided by the embodiment of the present invention under the first viewing angle;

Fig. 6 is a schematic structural diagram of the electronic speed controller provided by the embodiment of the present invention under the second viewing angle;

Fig. 7 is an exploded view of the cooperation between the installation part and the support rod provided by the embodiment of the present invention;

Fig. 8 is a structural schematic view of the support rod provided by the embodiment of the present invention under the first viewing angle;

Fig. 9 is a schematic structural view of the support rod provided by the embodiment of the present invention under a second viewing angle;

Fig. 10 is a schematic structural view of the support rod provided by the embodiment of the present invention under a third viewing angle;

Fig. 11 is a schematic structural diagram of the body provided by the embodiment of the present invention under the first viewing angle;

Fig. 12 is a schematic structural view of the body provided by the embodiment of the present invention under a second viewing angle;

Fig. 13 is a sectional view of A-A direction in Fig. 12;

Figure 14 is a schematic structural view of the surfboard provided by the embodiment of the present invention;

Fig. 15 is a schematic structural diagram of the connection between the protective cover and the support frame provided by the embodiment of the present invention;

Fig. 16 is a schematic structural view of the protective cover provided by the embodiment of the present invention;

Fig. 17 is a cross-sectional view of the protective cover provided by the embodiment of the present invention along the axial direction of the protective cover.

Icons: 100-electric hydrofoil surfing device; 11-body; 111-main wing; 112-tail; 113-connecting rod; 1131-first connecting part; Groove; 1135-third connecting hole; 12-support rod; 121-first installation through hole; 122-through chamber; 123-first side wall; 124-second side wall; 125-first compartment Board; 126-the second partition; 127-the first wiring channel; 128-the first column; 129-the second column; 1291-the first through hole; 130-the wiring hole; 131-the first 132-second end; 14-drive assembly; 141-drive motor; 1411-second waterproof joint; 142-propeller; 143-mounting piece; 1431-first accommodation space; 1432-first through hole; 1433-the second through hole; 1434-the first bar slot; 1435-the second bar slot; 1436-the second through hole; 144-electronic governor; 1441-the third housing; 1442-the first bar Protrusion; 1443-second strip-shaped protrusion; 1444-third strip-shaped protrusion; 1445-third waterproof joint; 1446-first waterproof joint; 145-first housing; 1451-first recessed part; 1452 - the first threaded hole; 146 - the second housing; 1461 - the second recess; 1462 - the second threaded hole; 147 - the connector; 1471 - the second installation through hole; 148 - the protective cover; 1481 - the inner wall; 1482-outer wall part; 1483-annular groove; 1484-annular cavity; 149-cylindrical part; 150-tapered part; Rod; 16-surfboard; 161-board body; 162-cover plate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "inner" and "outer" are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship of the product of the utility model The orientation or positional relationship that is customarily placed in use is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It should be understood as a limitation of the present utility model.

In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Fig. 1, the embodiment of the present utility model provides an electric hydrofoil surfing device 100, which includes:

body 11;

Support rod 12, one end of support rod 12 is connected with body 11;

A surfboard 16, the surfboard 16 is connected to the end of the support rod 12 away from the body 11;

The driving assembly 14 is connected to the support rod 12 , and the driving assembly 14 is located between the surfboard 16 and the machine body 11 .

It should be noted that the drive assembly 14 is connected to the support rod 12 and relatively fixed, and the drive assembly 14 can drive the support rod 12 to move on a calm sea or water surface. Since the surfboard 16 and the body 11 are connected to the support rod 12 and relatively fixed , thus the support rod 12 can drive the surfboard 16 and the body 11 to move, and the surfer can complete the surfing motion on the upper part of the surfboard 16. At the same time, the surfer can control the electric hydrofoil by shifting his own center of gravity The direction of movement of the surfing device 100 . Specifically, the surfboard 16 and the support rod 12 can be bolted or integrally formed, the body 11 and the support rod 12 can be bolted or integrally formed, etc., and the drive assembly 14 and the support rod 12 can be bolted or integrally formed.

Please refer to Fig. 1 and Fig. 2, in this embodiment, the driving assembly 14 includes:

Drive motor 141, drive motor 141 is connected with support bar 12;

The propeller 142 is connected with the output shaft of the driving motor 141 .

In this embodiment, the output shaft of the driving motor 141 drives the propeller 142 to rotate, thereby converting the rotational power of the driving motor 141 into thrust, so that the electric hydrofoil surfing device 100 can complete surfing action on the sea without waves.

It should be noted that, in other embodiments, the power assembly can also use a motor to drive a swing rod to swing back and forth, and the swing path is similar to the swing of a fish tail, which can also enable the electric hydrofoil surfing device 100 to obtain a forward thrust. In other embodiments, the power assembly can also use a turbine engine, relying on airflow to generate thrust as the driving force for the electric hydrofoil surfing device 100 to move forward.

Please refer to FIG. 2 and FIG. 3 , in this embodiment, the driving assembly 14 further includes a protective cover 148 connected to the casing of the driving motor 141 , and the protective cover 148 is used to cover the propeller 142 .

Please refer to FIG. 3 and FIG. 4 , in this embodiment, the drive assembly 14 further includes a mounting part 143 and an electronic governor 144 ;

The mounting part 143 is connected to the support rod 12, the mounting part 143 is close to the body 11 relative to the surfboard 16, and the mounting part 143 has a first accommodation space 1431;

The electronic speed controller 144 is connected to the mounting part 143 and is located in the first accommodation space 1431 . The electronic speed controller 144 is electrically connected to the driving assembly 14 , and the electronic speed controller 144 is used to adjust the speed of the driving motor 141 .

It should be noted that since the electronic speed controller 144 will generate a lot of heat during normal operation, if the heat cannot be dissipated effectively, it will affect the normal operation of the electronic speed controller 144, thereby affecting the electric hydrofoil surfing. normal operation of the device 100.

In this embodiment, the electronic speed controller 144 is located in the first accommodation space 1431 of the mounting part 143. When the electric hydrofoil surfing device 100 performs surfing action in the water, the mounting part 143 and the body 11 are both located in the water. Under the situation that does not add any cooling device, finished the cooling operation to electronic governor 144, and when electronic governor 144 works, electronic governor 144 is positioned at water all the time, can continue to electronic governor 144 Cooling, the cooling time is long, and the cooling effect is good.

It should be noted that the mounting part 143 and the driving motor 141 may be at different heights of the support rod 12 , as long as the mounting part 143 is ensured to be located in the water when the electric hydrofoil surfing device 100 is surfing. In this embodiment, in order to facilitate the routing of the electronic governor 144 and the driving motor 141, the mounting part 143 is directly connected to the casing of the driving motor 141, and the mounting part 143 is connected to the casing of the driving motor 141 through bolts, which is convenient Installation and removal.

Please refer to FIG. 3 and FIG. 4 , in this embodiment, the mounting member 143 is provided with a plurality of through holes, and the through holes communicate with the first receiving space 1431 .

It should be noted that the mounting part 143 is provided with a plurality of through holes, and the water outside the mounting part 143 can enter into the first accommodation cavity, so as to improve the cooling efficiency of the electronic speed controller 144 .

Please refer to FIG. 3 and FIG. 4 , in this embodiment, the mounting piece 143 includes a cylindrical portion 149 and a tapered portion 150, the cylindrical portion 149 is connected to the support rod 12, the tapered portion 150 is connected to the cylindrical portion 149, and the tapered portion 149 is connected to the cylindrical portion 149. A first accommodating space 1431 is formed between the shaped part 150 and the cylindrical part 149, and a plurality of through holes include a first through hole 1432 and a second through hole 1433, the first through hole 1432 is located at the apex of the tapered part 150, and the second through hole The through hole 1433 is disposed on the sidewall of the cylindrical portion 149 .

It should be noted that one end of the cylindrical portion 149 is connected to the tapered portion 150, and the other end of the cylindrical portion 149 is connected to the casing of the driving motor 141. The tapered portion 150 is far away from the propeller 142 relative to the cylindrical portion 149. When the hydrofoil surfing device 100 works normally, the water in the environment will first enter the first accommodation space 1431 from the first through hole 1432 of the tapered portion 150, and the part of the water flowing into the first accommodation space 1431 will pass through the cylindrical portion The second through hole 1433 of 149 flows out, thereby forming a flowing water flow, which will take away the heat generated by the electronic speed controller 144 faster, and can further improve the cooling effect of the electronic speed controller 144 .

Please refer to FIG. 3 and FIG. 5 , in this embodiment, the electronic governor 144 includes a third housing 1441 , a governor body and a first waterproof connector 1446 , and the driving motor 141 also includes a second waterproof connector 1411 ;

The third housing 1441 is connected to the mounting part 143, the governor body is located inside the third housing 1441, and the first waterproof joint 1446 is connected to the side wall of the third housing 1441;

The second waterproof connector 1411 is connected to the casing of the driving motor 141, the second waterproof connector 1411 is matched with the first waterproof connector 1446, and the electric wire passes through the first waterproof connector 1446 and the second waterproof connector 1411 so that the governor body and the driving motor 141 are electrically connected. connect.

In this embodiment, the mounting member 143 is directly connected to the housing of the driving motor 141. Since water will enter the first accommodation space 1431, in order to prevent water from entering the housing of the driving motor 141, the housing of the driving motor 141 A second waterproof joint 1411 is provided on it, and a first waterproof joint 1446 is provided on the third housing 1441 of the mounting part 143. The first waterproof joint 1446 cooperates with the second waterproof joint 1411 to prevent the water in the first accommodating chamber from entering into the drive the inside of the motor 141. At the same time, in order to avoid the impact of water on the electric wires, in this embodiment, the outer surface of the electric wires is also wrapped with a waterproof material.

It should be noted that, in this embodiment, in order to accelerate the heat dissipation rate of the electronic speed controller 144 , both the third casing 1441 and the casing of the mounting part 143 are made of metal materials.

Referring to FIG. 6 in conjunction with FIG. 3 , in this embodiment, a first strip-shaped protrusion 1442 and a second strip-shaped protrusion 1443 are respectively provided on opposite sides of the third housing 1441 ;

The inner wall of the mounting part 143 is provided with a first strip-shaped groove 1434 and a second strip-shaped groove 1435, the first strip-shaped protrusion 1442 is engaged in the first strip-shaped groove 1434, and the second strip-shaped protrusion 1443 is engaged in the first strip-shaped groove 1434. Inside the second strip groove 1435 .

The third casing 1441 of the electronic speed controller 144 is clamped between the first bar-shaped slot 1434 and the second bar-shaped slot 1435 , which can improve the stability of the electronic speed governor 144 in the first accommodating chamber. It is worth noting that, in this embodiment, when the electronic speed controller 144 is stuck between the first bar-shaped slot 1434 and the second bar-shaped slot 1435, referring to FIG. 7, it can be understood that the electronic speed governor One side of the 144 abuts against the outer side of the support rod 12, which can further improve the stability of the electronic speed controller 144 in the first accommodating chamber.

It should be noted that, in this embodiment, the number of first strip-shaped grooves 1434 is two, and the number of second strip-shaped grooves 1435 is also two. On the opposite side wall of the cylindrical part 149, the positions of the two second bar-shaped slots 1435 correspond to the positions of the two first bar-shaped slots 1434, which facilitates the installation between the electronic speed controller 144 and the mounting part 143.

Please refer to FIG. 5 and FIG. 6 , in this embodiment, in order to improve the heat dissipation efficiency of the electronic speed controller 144 , the outer surface of the third housing 1441 is provided with a plurality of third strip-shaped protrusions 1444 arranged side by side and spaced apart. The plurality of third strip-shaped protrusions 1444 can increase the heat dissipation area of the electronic speed controller 144 , thereby improving the heat dissipation efficiency of the electronic speed controller 144 .

Please refer to FIG. 5 and FIG. 6 , the electronic governor 144 further includes a third waterproof joint 1445 , and the third waterproof joint 1445 is connected to the third casing 1441 .

The third waterproof joint 1445 makes the internal space of the electronic governor 144 communicate with the first accommodation space 1431. It should be noted that, in this embodiment, the electric hydrofoil surfing device 100 also includes a battery, and the battery is arranged inside the surfboard 16 . The electric wires can electrically connect the electronic governor 144 to the battery through the third waterproof joint 1445 , and at the same time, can also electrically connect the drive motor 141 to the battery.

Specifically, please refer to FIG. 7 and in combination with FIG. 4 , the mounting member 143 has a second through hole 1436 , and the support rod 12 is used to pass through the second through hole 1436 to be connected to the body 11 .

The support rod 12 completely penetrates the mounting part 143 , and the electric wire passes through the third waterproof joint 1445 from the electronic governor body, and then passes through the support rod 12 , so as to be electrically connected with the battery in the surfboard 16 .

It should be noted that the second through hole 1436 may be formed by a whole mounting part 143 , or may be formed by splicing parts of multiple mounting parts 143 . In this embodiment, for the convenience of installation, the installation part 143 is composed of two shells.

Specifically, please refer to FIG. 7 , and in combination with FIG. 3 and FIG. 4 , the mounting part 143 includes a first housing 145 and a second housing 146;

Both the first housing 145 and the second housing 146 are connected to the support rod 12 and are respectively located on both sides of the support rod 12;

The first shell 145 has a first recess 1451, the second shell 146 has a second recess 1461, the first shell 145 and the second shell 146 are spliced, and the first recess 1451 and the second recess 1461 A second through hole 1436 is formed.

In this embodiment, the first housing 145 and the second housing 146 are connected by fasteners, specifically, the mounting part 143 also includes a first fastener, and the first housing 145 is provided with a first threaded hole 1452 , the second housing 146 is provided with a second threaded hole 1462, the support rod 12 is provided with a first installation through hole 121, the first fastener is used to pass through the first threaded hole 1452, the first installation through hole 121 and The second threaded hole 1462 makes the first housing 145 , the second housing 146 and the support rod 12 relatively fixed.

It should be noted that, please refer to FIG. 8 and FIG. 9, the penetrating direction of the first installation through hole 121 is perpendicular or inclined to the length direction of the support rod 12, the support rod 12 has a first end 131 and a second end 132, and the installation The through hole is closer to the second end portion 132 relative to the first end portion 131 . It can be understood that, in this embodiment, the second end 132 is closer to the body 11 of the electric hydrofoil surfing device 100 than the first end 131 .

The first housing 145 and the second housing 146 are connected by fasteners to facilitate the installation and disassembly of the first housing 145. In this embodiment, the first fasteners include first bolts and nuts, and the first bolts pass through. After passing through the first threaded hole 1452 , the first installation through hole 121 and the second threaded hole 1462 , the nut is threadedly matched with the first bolt, so that the first shell 145 , the second shell 146 and the support rod 12 are relatively fixed.

Since the first housing space 1431 is formed between the first housing 145 and the second housing 146, the first housing 145 and the second housing 146 cannot fit together well with the support rod 12. In order to make the first The fastening effect of the fastener is better. In this embodiment, please refer to FIG. 7 , a connecting piece 147 is disposed inside the mounting piece 143 .

Specifically, please refer to FIG. 7 , in this embodiment, the mounting piece 143 further includes a cylindrical connecting piece 147, the connecting piece 147 is used to pass through the first installation through hole 121, and one end of the connecting piece 147 is connected to the first shell The body 145 abuts, and the other end of the connector 147 abuts against the second housing 146;

The connecting piece 147 is provided with a second installation through hole 1471, and the first fastener is used to pass through the first threaded hole 1452, the second installation through hole 1471 and the second threaded hole 1462 to make the first housing 145, the second The housing 146, the connecting piece 147 and the support rod 12 are relatively fixed.

In order to reduce the resistance of the support rod 12 when moving in the water, reduce the burden on the drive assembly 14, thereby prolonging the service life of the entire electric hydrofoil surfing device 100, please refer to Figures 8-10, the embodiment of the present invention also provides a A support rod 12, the cross section of the support rod 12 along the width direction of the support rod 12 is shuttle-shaped or drop-shaped or streamlined.

In this embodiment, the cross section of the support rod 12 along the width direction of the support rod 12 is shuttle-shaped. Please refer to FIG. 10 , the shape of the section of the support rod 12 along its width direction is generally similar to the shape of a fish. That is, in the width direction of the support rod 12 , the thickness of the middle part of the support rod 12 is greater than the thickness of the two ends of the support rod 12 .

In this embodiment, the support rod 12 has a through cavity 122 along the length direction of the support rod 12 .

It should be noted that, in this embodiment, the through-chamber 122 communicates with the first accommodation space 1431 of the mounting part 143, and the through-chamber 122 is used for passing electric wires, and the electric wires located inside the support rod 12 can better prevent being water damage.

Please continue to refer to Figures 8-10, the support rod 12 includes:

The first side wall portion 123, the outer surface of the first side wall portion 123 is an arc surface;

The second side wall portion 124, the second side wall portion 124 is connected to the first side wall portion 123, and a through cavity 122 is formed between the second side wall portion 124 and the first side wall portion 123, the second side wall portion 124 the outer surface of which is arcuate;

A plurality of partitions, a plurality of partitions are connected to the first side wall portion 123 and/or the second side wall portion 124, and the plurality of partitions are distributed in the through chamber 122 at intervals, and the plurality of partitions are arranged along the length of the support rod 12 Extending in a direction, a plurality of partitions divide the through chamber 122 into a plurality of chambers.

It should be noted that the arc shape of the outer surface of the first side wall portion 123 and the outer surface of the second side wall portion 124 corresponds to the shuttle-shaped section of the above-mentioned support rod 12, and a plurality of partitions will penetrate the chamber 122 Divided into multiple chambers, each chamber can be used for wires to pass through, and can pass through different chambers according to different types of wires, which is convenient for later inspection and replacement of wires. At the same time, the penetrating cavity 122 inside the support rod 12 reduces the weight of the entire support rod 12, which is more beneficial to the rapid movement of the support rod 12 in water.

It should be noted that, according to actual conditions, the number of partitions may be two, three, four, ten, etc.

Specifically, please refer to FIG. 10. In this embodiment, the number of the partitions is two, which are the first partition 125 and the second partition 126;

The first partition 125 is located in the through chamber 122, one side of the first partition 125 is connected to the first side wall 123, and the side of the first partition 125 away from the first side wall 123 is connected to the second side wall. 124 connections;

The second partition 126 is located in the through chamber 122, one side of the second partition 126 is connected to the first side wall 123, and the side of the second partition 126 away from the first side wall 123 is connected to the second side wall. 124 connections;

The first spacer 125 , the second spacer 126 , the first side wall portion 123 and the second side wall portion 124 enclose and form a first wiring channel 127 .

The first partition 125 is parallel to the second partition 126 .

It should be noted that, in this embodiment, the first wiring passage 127 formed between the first partition 125 and the second partition 126 is the main wiring passage, and the cavities on both sides of the first wiring passage 127 as an alternate routing channel.

Please refer to FIG. 10 , the support rod 12 also includes a column, which is connected to the first side wall portion 123 and/or the second side wall portion 124, and the column is provided with a first through hole 1291, the first through hole 1291 is sequentially provided with a first internal thread segment, a smooth segment and a second internal thread segment from one end of the first column 128 to the other end of the first column 128 .

It should be noted that the first internal thread section of the bar is used for the threaded connection between the support rod 12 and the surfboard 16 , and the second internal thread section of the bar is used for the threaded connection between the support and the body 11 .

According to the actual situation, the number of bar columns can be set to two, three, four, eight, etc., in this embodiment, in order to improve the cavity ratio inside the support rod 12, reduce the weight of the support rod 12, and at the same time To ensure the stability of the connection between the support rod 12 and the surfboard 16 , and between the support rod 12 and the body 11 , in this embodiment, the number of bars is two.

Specifically, please refer to FIG. 10 , the number of bars is two, namely the first bar 128 and the second bar 129 ;

One side of the first bar column 128 and one side of the second bar column 129 are all connected to the first side wall portion 123, and the first bar column 128 is away from the side of the first side wall portion 123 and the second bar column. The side of the column 129 away from the second side wall portion 124 is connected to the second side wall portion 124;

The first dividing plate 125, the second dividing plate 126, the first bar column 128 and the second bar column 129 are arranged side by side and distributed in the through chamber 122 at intervals, and the first dividing plate 125 and the second dividing plate 126 are all located at the second Between the first column 128 and the second column 129 .

Please refer to FIG. 8-FIG. 10, the first side wall portion 123 and/or the second side wall portion 124 is provided with a wiring hole 130, the wiring hole 130 communicates with the through chamber 122, and the support rod 12 has a first end 131 and the second end portion 132 , the wiring hole 130 is closer to the second end portion 132 relative to the first end portion 131 .

It should be noted that the wiring hole 130 may be provided only on the first side wall portion 123, or only on the second side wall portion 124, or both on the first side wall portion 123 and the second side portion. A wiring hole 130 is provided. In this embodiment, the wire hole 130 communicates with the above-mentioned first wire channel 127 , and in other embodiments, the wire hole 130 may also communicate with chambers on both sides of the first wire channel 127 .

In this embodiment, the shape of the wiring hole 130 is rectangular, and the first installation through hole 121 is circular. The wiring hole 130 can be distinguished from the first installation through hole 121, which is convenient for the installer to identify and install the support rod 12 . In other embodiments, the wiring hole 130 may also be circular, triangular, oval, etc. FIG.

11-13, the body 11 includes a main wing 111, an empennage 112 and a connecting rod 113, the connecting rod 113 includes a first connecting part 1131, a second connecting part 1132 and a third connecting part 1133, the first connecting part 1131 and the second connecting part 1131 The second connecting portion 1132 is located at both ends of the connecting rod 113, the third connecting portion 1133 is located between the first connecting portion 1131 and the second connecting portion 1132, and the third connecting portion 1133 is connected to the first connecting portion 1131 and the second connecting portion 1132. are connected;

The first connecting part 1131 is connected with the middle part of the main wing 111 , the second connecting part 1132 is connected with the middle part of the empennage 112 , and the third connecting part 1133 is connected with the supporting rod 12 .

The main wing 111, the empennage 112 and the connecting rod 113 are integrally formed.

It should be noted that, in this embodiment, the main wing 111 and the tail wing 112 are axisymmetric structures. After the main wing 111, the tail wing 112 and the connecting rod 113 are integrally formed, the main wing 111 is symmetrical about the connecting rod 113, and the tail wing 112 is symmetrical about the connecting rod 113. , so that the body 11 as a whole has an axisymmetric structure, thereby enabling the electric hydrofoil surfing device 100 to maintain a better balance in the water, and reducing the probability of rollover of the electric hydrofoil surfing device 100 .

Referring to FIG. 11 , in this embodiment, the third connecting portion 1133 is provided with a groove 1134 adapted to the outer contour of the support rod 12 .

The side wall profile of the groove 1134 is adapted to the outer contour of the support rod 12. After the support rod 12 is inserted into the groove 1134 of the connecting rod 113, the outer surface of the support rod 12 fits with the side wall of the groove 1134 to ensure that the support rod The stability of 12 makes the support rod 12 less likely to shake.

In order to ensure the relative stability between the support rod 12 and the connecting rod 113, in this embodiment, the electric hydrofoil surfing device 100 further includes a second fastener;

The side of the connecting rod 113 away from the supporting rod 12 is provided with a third connecting hole 1135, the third connecting hole 1135 communicates with the groove 1134, the supporting rod 12 is provided with an internal threaded hole, and the second fastener is used to pass through the third connecting hole. Hole 1135 is threadedly matched with the internally threaded hole.

It should be noted that, in this embodiment, the internally threaded hole of the support rod 12 here is the second internally threaded section of the first through hole 1291 of the above-mentioned column. One end of 12 close to body 11 is separately provided with internally threaded hole.

Please refer to FIG. 13 and in combination with FIG. 12 , the third connection hole 1135 is a tapered hole, and the small end of the tapered hole is closer to the groove 1134 than the large end of the tapered hole.

It can be understood that the tapered hole of the third connecting hole 1135 can better prevent water from entering the groove 1134 through the third connecting hole 1135 , and then entering the inside of the support rod 12 . Water damage to the wires inside the support pole 12 is reduced.

It should be noted that please refer to FIG. 14, which is a schematic structural diagram of the surfboard 16 provided in this embodiment. The surfboard 16 includes a board body 161 and a cover board 162. The board body 161 has a housing chamber, and the battery is placed in the housing chamber. In the chamber, the cover plate 162 is connected with the plate body 161, and the cover plate 162 is used to open or close the accommodating chamber. It should be noted that a control device is also placed in the accommodation chamber of the surfboard 16, and the control device can be a PCB board, an integrated circuit board, a chip, etc., the control device is electrically connected to the battery, and the control device is also electrically connected to the driving motor. connect.

15-17, the drive motor 141 also includes a support frame 151, the support frame 151 includes a first ring 1511, a transition rod 1513 and a second ring 1512, the first ring 1511 is sleeved on the shell of the drive motor 141 On the body, and relatively fixed with the housing of the drive motor 141 , one end of the transition rod 1513 is connected to the first ring 1511 , and the other end of the transition rod 1513 is connected to the second ring 1512 .

It should be noted that, in this embodiment, the protective cover 148 is connected to the second circular ring 1512 and relatively fixed to the second circular ring 1512 , and the protective cover 148 is used to cover the propeller 142 . Specifically, the protective cover 148 is a cylindrical structure. The protective cover 148 includes an inner wall part 1481 and an outer wall part 1482. The inner wall part 1481 is provided with an annular groove 1483. The second ring 1512 is clamped in the annular groove 1483. The outer wall part 1482 and the outer wall part 1482 are The inner wall portion 1481 is connected.

It can be understood that the protective cover 148 is connected to the casing of the drive motor 141 through the support frame 151 , which can effectively ensure the stability of the protective cover 148 during the movement of the electric hydrofoil surfing device 100 and provide effective protection for the propeller 142 .

It should be noted that, please refer to FIG. 17 , in this embodiment, an annular cavity 1484 is formed between the inner wall portion 1481 and the outer wall portion 1482, and the protective cover has a reference plane, which coincides with the axis of the protective cover, and the reference plane is an annular cavity. The profile cut by cavity 1484 is fusiform.

Specifically, please refer to Figure 17, the thickness of the middle part of the annular cavity 1484 is greater than the thickness of both ends of the annular cavity 1484, according to the Venturi effect, it can be understood that the water flows through the inner wall corresponding to the thicker part of the annular cavity 1484 When the part 1481 and the outer wall part 1482 are connected, the flow velocity will increase, and a low pressure will be formed here, which can attract the external high-pressure water, accelerate the flow velocity of the water, and increase the speed of the electric hydrofoil surfing device 100 .

To sum up, the working principle of the electric hydrofoil surfing device 100 is as follows:

The storage battery arranged on the surfboard 16 provides electric energy for the drive motor 141 and the electronic governor 144. Specifically, the wires pass from the surfboard 16 through the through chamber 122 of the support rod 12, and then through the wiring hole 130, and enter the first The accommodating space 1431 passes through the third waterproof joint 1445, so that the storage battery is electrically connected with the electronic speed controller 144, and then passes through the second waterproof joint 1411 and the first waterproof joint 1446, so that the electronic speed control is electrically connected with the drive motor 141, and at the same time The storage battery is electrically connected to the driving motor 141 . The surfer can control the start, stop and rotation speed of the drive motor 141 on the surfboard 16 to complete the surfing action. At the same time, the surfer can also change the forward direction of the electric hydrofoil surfing device 100 through the deviation of the center of gravity on the surfboard 16 .

It should be noted that the utility model is aimed at improving the structure of the electric hydrofoil surfing device. The control circuit of the above-mentioned control device adopts the existing control circuit, which is not within the improvement scope of the utility model.

It should be noted that, in the case of no conflict, the features in the embodiments of the present invention can be combined with each other.

The above are only specific implementations of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes or replacements within the technical scope disclosed by the utility model. , should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. An electric hydrofoil surfing device, characterized in that, comprising: body; a support rod, one end of the support rod is connected to the body; a surfboard, the surfboard is connected to the end of the support rod away from the body; a driving assembly, the driving assembly is connected to the support rod, and the driving assembly is located between the surfboard and the body; The drive components include: a mounting part, the mounting part is connected to the support rod; a driving motor, the driving motor is connected to the mounting part; a propeller, the propeller is connected with the output shaft of the drive motor; A protective cover, the protective cover is connected with the housing of the drive motor, the protective cover is used to cover the propeller, the protective cover is a cylindrical structure, the protective cover includes an inner wall part and an outer wall part, the The inner wall part is connected to the driving motor, the outer wall part is connected to the inner wall part, and an annular cavity is formed between the inner wall part and the outer wall part; The protective cover has a reference plane, the reference plane coincides with the axis of the protective cover, and the outline of the annular cavity cut by the reference plane is shuttle-shaped. 2. The electric hydrofoil surfing device according to claim 1, wherein the drive assembly further comprises an electronic governor; The mounting part is close to the body relative to the surfboard, and the mounting part has a first accommodation space; The electronic speed controller is connected to the mounting part and is located in the first accommodation space, the electronic speed controller is electrically connected to the driving motor, and the electronic speed controller is used to adjust the speed of the driving motor. Rotating speed. 3 . The electric hydrofoil surfing device according to claim 2 , wherein a plurality of through holes are provided on the mounting part, and the plurality of through holes communicate with the first accommodation space. 4 . 4. The electric hydrofoil surfing device according to claim 3, wherein the mounting part comprises a cylindrical portion and a tapered portion, the cylindrical portion is connected to the support rod, and the tapered portion is connected to the support rod. The cylindrical part is connected, the first accommodation space is formed between the tapered part and the cylindrical part, the plurality of through holes include a first through hole and a second through hole, and the first through hole is located at The apex of the tapered portion, the second through hole is disposed on the side wall of the cylindrical portion. 5. The electric hydrofoil surfing device according to claim 2, characterized in that, the electronic governor comprises a third housing, a governor body and a first waterproof joint, and the drive motor also comprises a second waterproof joint. connector; The third housing is connected to the mounting part, the governor body is located inside the third housing, and the first waterproof joint is connected to the side wall of the third housing; The second waterproof joint is connected to the housing of the driving motor, the second waterproof joint is matched with the first waterproof joint, and the electric wire passes through the first waterproof joint and the second waterproof joint to make the adjustment The gearbox body is electrically connected with the drive motor. 6. The electric hydrofoil surfing device according to claim 5, wherein a first strip-shaped protrusion and a second strip-shaped protrusion are respectively provided on opposite sides of the third housing; The inner wall of the mounting part is provided with a first strip-shaped groove and a second strip-shaped groove, the first strip-shaped protrusion is clamped in the first strip-shaped groove, and the second strip-shaped protrusion is clamped connected to the second strip groove. 7 . The electric hydrofoil surfing device according to claim 1 , wherein the support rod has a through cavity along the length direction of the support rod, and the through cavity is used for passing electric wires. 8. The electric hydrofoil surfing device according to claim 7, wherein the support rod comprises: a first side wall portion, the outer surface of the first side wall portion is an arc surface; a second side wall portion, the second side wall portion is connected to the first side wall portion, and the through cavity is formed between the second side wall portion and the first side wall portion, the The outer surface of the second side wall portion is an arc surface; A plurality of partitions, the plurality of partitions are connected to the first side wall portion and/or the second side wall portion, the plurality of partitions are distributed in the through chamber at intervals, the plurality of partitions The partitions extend along the length direction of the support rod, and the plurality of partitions divide the through chamber into a plurality of chambers. 9. The electric hydrofoil surfing device according to claim 8, characterized in that, the number of the partitions is two, which are respectively the first partition and the second partition; The first partition is located in the through chamber, one side of the first partition is connected to the first side wall, and the side of the first partition is away from the first side wall connected to the second side wall portion; The second partition is located in the through chamber, one side of the second partition is connected to the first side wall, and the side of the second partition is away from the first side wall connected to the second side wall portion; The first spacer, the second spacer, the first side wall portion and the second side wall portion enclose to form a first wiring channel. 10 . The electric hydrofoil surfing device according to claim 1 , wherein the section of the support rod along the width direction of the support rod is shuttle-shaped, drop-shaped or streamlined. 11 .