KR102356426B1 - Speed control system for underwater propulsion - Google Patents

Abstract

The present invention relates to a speed control system for an underwater propulsion body, which is disposed on one side of the body of the underwater propulsion body to control the speed according to user operations. The speed control system comprises: a body portion provided on one side of the body of the underwater propulsion body to be exposed to the outside; a plurality of speed control units arranged on one side of the inside of the body, powered off according to whether the contacts of electrode switches inside a glass tube are made, and for controlling the rotational speed of a motor in proportion to the number of simultaneous contacts; a speed control unit mounted on one side of the body to move forward and backward, enabling transmission of external force through gripping of a user; a first magnetic unit installed on an upper end of the speed control unit to move inside the body, and for sequentially contacting the electrode switches through magnetic force; and a second magnetic unit including a first sensitivity control magnet formed at a rear end of the speed control unit, and a second sensitivity control magnet arranged on the inner surface of the body so that the same magnetic pole thereof collinearly faces that of the first sensitivity control magnet, to generate a repulsive force. Therefore, the speed control system can reduce the problems, encountered in an aquatic environment, by using the magnets.

Description

SPEED CONTROL SYSTEM FOR UNDERWATER PROPULSION

The present invention relates to a speed control device for underwater propulsion that can control the speed of the underwater propulsion using a magnet.

In general, an underwater propulsion body includes a case in which an opening through which fluid is introduced and taken out is formed, a propeller installed inside the case and rotating through a motor, and a speed control device for controlling the speed by controlling the amount of rotation of the motor .

Recently, individuals are using it as a means to obtain propulsion in the water, and it is called by various names such as a water scooter, an underwater scooter, an underwater drone, an underwater motorcycle, and an underwater towing device.

In the past, it was a trigger type for speed control, and when the user pulls the power with his finger to turn on the power and releases it, the trigger returns to its original position through an elastic body including a spring.

However, in the case of a trigger structure through a metal spring, when used for a long time in a moist environment, the elastic restoring force may decrease or corrosion such as rust may occur in the metal, causing a problem in the operation performance of the trigger.

In addition, most of the personal underwater propulsion system is capable of speed conversion in a state in which operation is stopped at a predetermined speed during speed conversion through the speed control device.

And, due to the nature of the underwater propulsion body used in the water, internal parts or electric devices are very vulnerable to water, and there is a high possibility that problems such as malfunction due to moisture occur.

Republic of Korea Patent Publication No. 10-0462724 (registered on Dec. 10, 2004)

The present invention is to solve the above problems, and it is possible to change the speed through a reed switch using a magnet to change the speed of the underwater propulsion body, and by using the repulsive force of the magnet, the speed control unit such as a trigger or a trigger is placed in the original position The purpose of this is to eliminate problems caused by moisture by achieving a speed conversion structure using magnets, such as allowing it to return to

In addition, there is another object to enable the change of speed as much as pulling the speed control unit in the water.

In addition, there is another purpose to ensure safety by reducing unexpected variables when management is required, such as children, through a structure that allows the maximum speed to be limited.

In addition, another object is to allow the user to directly adjust the pulling sensitivity of the speed control unit according to the relative physical condition of the user.

The object of the present invention is not limited to the object mentioned above, and other objects not mentioned will be clearly understood by those of ordinary skill in the art from the following description.

In order to achieve the above object, the present invention is provided to be exposed to the outside on one side of the body of the underwater propulsion body in the present invention is disposed on one side of the body of the underwater propulsion body to control the speed according to the user's operation, a body part which becomes a body part, and a plurality of them are arranged on one side of the inside of the body, and the power is turned on/off depending on whether the electrode switch inside the glass tube is in contact, and a speed control part controlling the number of rotations of the motor in proportion to the number of simultaneous contacts; and the body part A speed control unit mounted on one side to be movable back and forth to enable transmission of an external force through the user's grip, and a first that is installed on the upper end of the speed control unit to move inside the body and sequentially contact the electrode switch through magnetic force The first magnetic force unit, the first sensitivity adjusting magnet formed at the rear end of the speed manipulating unit, and the same magnetic pole on the inner surface of the body as the first sensitivity adjusting magnet are arranged to face each other to generate a repulsive force It is characterized in that it comprises a second magnetic force unit including a second sensitivity control magnet to generate.

The body part is formed to protrude to the outside on one side of the body of the underwater propulsion body to be gripped by the user, and is dug toward the rear on one side to guide the forward and backward movement in the state in which the speed control part is inserted. A guide groove and the guide groove A gripper formed integrally with an upper portion of the gripper and a receiving space formed therein, and a movement that is cut along the longitudinal direction on the bottom surface, is partially cut in the rear end surface of A mounting receiver in which a slit is formed, and a switch receiver provided on the upper portion of the moving slit, in which a plurality of mounting grooves are arranged in the longitudinal direction to receive the magnetic force from the first magnetic force unit by seating the plurality of speed control units. It is characterized in that it comprises a.

A pair of the switch receivers are installed in the body portion in parallel in the longitudinal direction, and the speed control unit is mounted on the mounting groove dug at regular intervals in the upper surface, and the speed control unit adjusts the mounting interval and mounting quantity. It is characterized in that the speed change can be adjusted through the

The speed control unit is inserted into the guide groove in a state where the front part is exposed to the outside and is operated back and forth according to an external force, and a receiving groove is dug in one side so that the first sensitivity adjusting magnet is formed in close contact with the rear inner surface to form the communication hole It is formed in the form of a cantilever through an operation guide sphere formed to face the movement guide sphere and a connection bar formed at an upper end of the operation guide sphere. It is characterized in that it comprises a groove for moving the first magnetic force is accommodated in the groove is formed.

The accommodating groove is opened and closed through a cover, is attached to the first sensitivity control magnet through additional insertion of a magnet therein, and increases the repulsive force with the second sensitivity control magnet to adjust the sensitivity of the speed control unit characterized.

Penetrating through one side of the body portion and the end is disposed at the rear of the speed control unit to limit the rear movement through the interference with the speed control unit characterized in that it further comprises a limiting speed control device for limiting the maximum speed.

The present invention according to the above configuration can expect the following effects.

First, for speed conversion of the underwater propulsion body, speed conversion is possible through a reed switch using a magnet, and a magnet is used, such as to allow the speed control part such as a trigger or trigger to return to its original position by using the repulsive force of the magnet. By achieving one speed conversion structure, it is possible to eliminate the occurrence of problems due to moisture.

In addition, there is an effect of allowing the speed to be changed as much as the speed control unit is pulled in the water.

In addition, through a structure that allows the maximum speed to be limited, there is an effect to ensure safety by reducing unexpected variables when management is required, such as a child.

Also, it is possible to directly adjust the pulling sensitivity of the speed control unit according to the user's relative physical condition.

1 is a conceptual diagram showing the overall appearance of the speed control device installed on the underwater propulsion body according to the present invention.
Figure 2 is an enlarged view of the speed control device in Figure 1;
Figure 3 is a cross-sectional view for explaining the internal appearance of the speed control device for underwater propulsion according to the present invention.
Figure 4 is a view for explaining that a magnet is added to the speed control unit of the speed control device for underwater propulsion according to the present invention.
Figure 5 is a perspective view of the mounting receiver of the speed control device for underwater propulsion according to the present invention.
Figure 6 is an exploded perspective view of the switch receiver and the speed control unit of the speed control device for underwater propulsion according to the present invention.
Figure 7 is a view showing a different arrangement of the spacing of the mounting groove of the switch receiver of the present invention.
8 is a view showing the operation structure of the electrode switch of the present invention.
9 is a view showing a structure for limiting the maximum speed through the limit speed control device of the present invention.

The present invention relates to a speed control device for underwater propulsion that can control the speed of the underwater propulsion using a magnet.

In particular, speed conversion is possible through a reed switch using a magnet for speed conversion of the underwater propulsion body, and a magnet is used, such as to allow the speed control part such as a trigger or trigger to return to the original position by using the repulsive force of the magnet. By achieving one speed conversion structure, it is possible to eliminate problems caused by moisture, and it is possible to change the speed as much as pulling the speed control part in the water. Safety can be secured by reducing unexpected variables, and the technical feature is that the pulling sensitivity of the speed control unit can be directly adjusted according to the user's relative physical condition.

1 is a conceptual diagram showing the overall appearance of the speed control device installed on the underwater propulsion body according to the present invention, Figure 2 is an enlarged view of the speed control device in Figure 1, Figure 3 is a speed control device for underwater propulsion according to the present invention It is a cross-sectional view for explaining the internal appearance of, Figure 4 is a view for explaining that a magnet is added to the speed control unit of the speed control device for underwater propulsion according to the present invention, Figure 5 is a speed control for underwater propulsion according to the present invention It is a perspective view of the mounting receiver of the device, Figure 6 is a separate perspective view of the switch receiver and the speed control unit of the speed control device for underwater propulsion according to the present invention, Figure 7 is a different arrangement of the spacing of the mounting groove of the switch receiver of the present invention Fig. 8 is a view showing the operation structure of the electrode switch of the present invention, and Fig. 9 is a view showing the structure for limiting the maximum speed through the limit speed control device of the present invention.

Hereinafter, with reference to the accompanying drawings, a speed control device for an underwater propulsion body according to a preferred embodiment of the present invention will be described in detail.

The present invention relates to a speed control device for underwater propulsion that is disposed on one side of the body (P) of the underwater propulsion body and controls the speed according to the user's operation, and more specifically, the body part 100, the speed control part 200, It consists of a speed control unit 300 , a first magnetic force unit 400 , and a second magnetic force unit 500 .

First, the body portion 100 is provided to be exposed to the outside on one side of the body (P) of the underwater propulsion body is made in a form that a user can grip.

A plurality of the speed control unit 200 is arranged on one side of the inside of the body, and the power is turned ON/OFF depending on whether the electrode switch 210 inside the glass tube is in contact. It works in the same way as the operating principle of the switch.

The speed control unit 300 is movably mounted back and forth on one side of the body portion 100 to enable transmission of an external force through the user's grip.

The first magnetic force unit 400 is installed on the upper end of the speed control unit 300, moves inside the body, and sequentially contacts the electrode switch 210 through magnetic force.

The second magnetic force unit 500 includes a first sensitivity adjusting magnet 510 formed at the rear end of the speed controlling unit 300 and the first sensitivity adjusting magnet on the inner surface of the body 100 on the same line. The same magnetic poles are disposed to face each other, and a second sensitivity control magnet 520 for generating a repulsive force is included.

In more detail with respect to the body part 100 , the body part 100 includes a gripper 110 , a mounting receiver 120 , and a switch receiver 120 .

The gripper 110 is formed to protrude to the outside on one side of the body (P) of the underwater propulsion body to be gripped by the user, and is dug toward the rear on one side to move the speed control unit 300 back and forth in the inserted state. A guide groove 111 for guiding, and a communication hole 112 for internal communication with the inner space of the body portion 100 are formed by partially incising the rear end surface of the guide groove 111.

That is, the guide groove 111 is dug from the front to the rear to guide the forward and backward movement in the state in which the speed control unit 300 is inserted, and the communication hole 112 is the second magnetic force unit 500 . In order to generate a repulsive force, it serves as a connecting passage for allowing the magnets to face each other without blocking between the magnets disposed opposite to each other.

The mounting receiver 120 is integrally formed with an upper portion of the gripper 110, a receiving space is formed therein, and a moving slit 121 cut along the longitudinal direction is formed on the bottom surface.

That is, the mounting receptacle 120 is a space in which the speed control unit 200 for controlling the speed in the inner space and the upper part of the speed control unit 300 moving forward and backward according to the transmission of the external force provided from the user are embedded. It is a configuration that has

The switch receiver 120 is provided on the upper portion of the moving slit 121 , and a plurality of mounting grooves 131 are arranged in the longitudinal direction to seat the plurality of speed control units 200 to seat the first magnetic force unit. (400) to receive the magnetic force.

More specifically, the switch receiver 120 is installed in the body portion 100 in parallel in the longitudinal direction in a pair, and the speed control unit ( 200) is mounted, so that the speed conversion can be adjusted through the adjustment of the mounting interval and the mounting quantity of the speed control unit 200 .

That is, a plurality of the mounting grooves 131 concave toward the bottom are arranged in a longitudinal direction in a bar-shaped frame formed to be elongated, so that the speed control unit 200 is positioned in the mounting groove 131 and coupled thereto.

At this time, the first magnetic force unit 400 moves to sequentially move the lower portions of the plurality of speed control units 200 . When the first magnetic force unit 400 is positioned under the speed control unit 200 , the electrode The switch 210 is contacted and the power is turned on.

For example, assuming that the speed control unit 200 disposed toward the front is 1 electrode, 2 electrode, 3 electrode, and N electrode, the first magnetic force unit 400 before external force is applied is located in front of the first electrode. The power is in the OFF state, and when the user pulls the mounting fixture 120 rearward, the first magnetic force unit 400 moves backward according to the external force and makes contact with the first electrode in turn, according to a preset program. The speed gradually increases.

In this case, the interval between the N electrodes may be determined by the interval between the mounting grooves 131 , and it is also possible to mount the speed control unit 200 while crossing the mounting groove 131 . Through this, the shift is controlled by adjusting the distance and time it takes for the first magnetic force unit 400 to be positioned under each electrode.

The speed control unit 300 serves as a trigger or trigger, and when the user pulls it with a finger, it transmits an external force.

The operation guide sphere 310 is inserted into the guide groove 111 in a state in which the front part is exposed to the outside and is operated back and forth according to an external force, and is moved backward by an external force pulling while the user's finger is in close contact.

And, a receiving groove 311 is dug in one side of the operation guide sphere 310 so that the first sensitivity adjusting magnet 510 is formed in close contact with the rear inner surface to face the communication hole 112, and the rear Through the repulsive force due to the same magnetic pole between the second sensitivity adjusting magnets 520 arranged on the same line, the operation guide sphere 310 returns to its original state before being pulled from the pulled state.

The transfer holder 320 is formed in the form of a cantilever through a connecting bar formed at one upper end of the operation guide 310, and the connecting bar is disposed to pass through the moving slit 121 to pass through the moving slit ( 121) and a seating groove is formed in the upper portion to accommodate the first magnetic force unit 400 .

That is, when the user pulls the operation guide sphere 310 , the movement holder 320 is interlocked to move backward, and the first magnetic force unit 400 provided in the seating groove of the movement holder 320 is rearward. and turns on the power by contacting the electrode switch 210 of the speed control unit 200 .

On the other hand, the length of the first magnetic force part 400 is made of a length corresponding to two or three of the mounting grooves 131 that are sequentially formed. It is preferable that two or more of the 210) are simultaneously affected by the first magnetic force unit 400 to become a contact so that the speed is increased or decelerated.

In addition, the receiving groove 311 is opened and closed through the cover, and is attached to the first sensitivity adjusting magnet 510 through the additional insertion of a magnet therein, and the repulsive force with the second sensitivity adjusting magnet 520 is increased. It is also possible to adjust the sensitivity of the speed control unit 300 by doing this.

In addition, a limit speed control device 600 may be further provided to adjust the limit speed of the underwater propulsion body.

The limit speed control device 600 passes through one side of the body portion 100 and the end is disposed at the rear of the speed control unit 300 to limit the backward movement through interference with the speed control unit 300 to limit the maximum speed. can be limited.

At this time, in order to adjust the end position of the limit speed control tool 600, if it is turned counterclockwise through a screw coupling method, it is moved forward to lower the speed limit, and if it is turned clockwise in the opposite direction, it is moved backward to increase the speed limit. It is also possible to

An operation method and an operation mechanism of the present invention will be described based on the above configuration.

First, when the user places his or her finger on the operation guide sphere 310 while holding the gripper 110 and pulls it with force, the movement holder 320 moves backward.

At this time, the first magnet provided on the upper portion of the transfer holder 320 is interlocked to move backward, and the movable range of the first magnet is preferably operated within the range of the moving slit 121, but limited to this. it is not going to be

The first magnet moves and sequentially passes through the electrode switch 210 arranged along the longitudinal direction at the upper portion. is activated

The first magnet moves forward and backward according to the strength of the pulling force by the user, moves the lower part of the speed control unit 200, and turns ON/OFF the electrode switch 210 to control the speed.

When the external force provided by the user is removed, it returns to a state before the external force is applied according to the repulsive force of the opposing first sensitivity adjusting magnet 510 and the second sensitivity adjusting magnet 520 .

In this case, two methods may be used to strongly or weakly adjust the sensitivity felt when the operation guide sphere 310 is pulled according to the strength of the user's force.

First, open the cover of the receiving groove 311 and add a magnet inside to increase the magnetic force of the first sensitivity adjusting magnet 510 according to the magnetic force to increase the repulsive force with the second sensitivity adjusting magnet 520 to increase the operation guide tool ( 310), it is possible to increase the sensitivity when pulling.

Next, it is possible to mount the speed control unit 200 on the mounting groove 131 after forming a tight or wide spacing between the mounting grooves 131 of the switch receiver 120 .

Or, by mounting the speed control unit 200 over one space on the mounting groove 131, or by mounting the speed control unit 200 across two spaces to adjust the sensitivity when pulling the operation guide sphere 310 It is also possible

In addition, it is also possible to reduce the limit speed for people who need management, including children and adolescents, through the limit speed control device 600 .

The above-described embodiments are merely exemplary, and those of ordinary skill in the art can variously modified other embodiments therefrom.

Accordingly, the true technical protection scope of the present invention should include not only the above embodiments but also other embodiments variously modified by the technical spirit of the invention described in the claims below.

P : body of underwater propulsion body
100: body
110: gripping earth
111: guide home
112: communication hole
120: mounting fixture
121: moving slit
130: switch receiver
131: mounting groove
200: speed control unit
210: electrode switch
300: speed control unit
310: operation guide
311: receiving home
320: mobile landing
400: first magnetic force unit
500: second magnetic field
510: first sensitivity control magnet
520: second sensitivity control magnet
600: limit speed control device

Claims (6)

In the speed control device for underwater propulsion body disposed on one side of the body of the underwater propulsion body to control the speed according to the user's operation,
a body portion provided to be exposed to the outside on one side of the body of the underwater propulsion body;
a speed control unit arranged in plurality on one side of the body and turning on/off power according to the contact point of the electrode switch inside the glass tube and controlling the number of rotations of the motor in proportion to the number of simultaneous contacts;
a speed control unit mounted on one side of the body to move forward and backward to enable transmission of an external force through the user's grip;
a first magnetic force unit installed on the upper end of the speed control unit to move inside the body and sequentially contact the electrode switches through magnetic force;
A first sensitivity control magnet formed at the rear end of the speed control unit, and a second magnetic pole opposite to that of the first sensitivity control magnet on the inner surface of the body to generate a repulsive force A second magnetic force unit including a sensitivity control magnet; including,
The body part,
A guide groove that protrudes outwardly from one side of the body of the underwater propulsion body and is formed so that the user can grip it, is dug toward the rear on one side to guide the forward and backward movement in the state in which the speed control unit is inserted, and on the rear end surface of the guide groove a gripper having a communication hole that is partially cut and communicated with the inner space of the body;
a mounting receiver integrally formed on the upper portion of the gripper and having an accommodating space therein, and having a moving slit cut along the longitudinal direction at the bottom thereof;
It is provided on the upper portion of the moving slit, a plurality of mounting grooves are arranged in the longitudinal direction to seat the plurality of speed control unit to receive the magnetic force from the first magnetic force; Speed regulating device for underwater propulsion. delete According to claim 1,
The switch receiver,
A pair is installed in the body in the longitudinal direction in parallel, and the speed control unit is mounted on the mounting groove dug at regular intervals on the upper surface, and the speed control unit adjusts the speed conversion by adjusting the mounting interval and the mounting quantity. A speed control device for underwater propulsion, characterized in that it can. According to claim 1,
The speed control unit,
It is inserted into the guide groove with a front part exposed to the outside and operated forward and backward according to an external force, and a receiving groove is dug on one side so that the first sensitivity adjusting magnet is formed in close contact with the rear inner surface to face the communication hole operation guide;
It is formed in the form of a cantilever through a connecting bar formed at an upper end of the operation guide sphere, and the connecting bar is disposed to pass through the moving slit to move along the moving slit, and a seating groove is formed in the upper portion to form the first magnetic force part. A speed control device for underwater propulsion, characterized in that it comprises; 5. The method of claim 4,
The receiving groove is opened and closed through a cover, is attached to the first sensitivity control magnet through additional insertion of a magnet therein, and increases the repulsive force with the second sensitivity control magnet to adjust the sensitivity of the speed control unit A speed control device for underwater propulsion. According to claim 1,
Underwater propulsion, characterized in that it further comprises; a limit speed control device penetrating one side of the body portion and having an end disposed at the rear of the speed control unit to limit the rear movement through interference with the speed control unit to limit the maximum speed. Body speed control device.

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