KR20210050078A - Scratchback and control method thereof - Google Patents

Abstract

The present invention relates to a scratchback and a control method thereof. The scratchback includes: a body which stretches and contracts so that length can be adjusted; a scraping protrusion installed on one end of the body; a driving unit for generating a driving force to expand and contract the body; and a control unit for controlling an operation of the driving unit, and thus a user can conveniently scratch a desired body part by adjusting the length of the scratchback to a desired length, or by reciprocating a scraping protrusion using the driving force of the driving unit.

Description

Hyoja son and its control method {SCRATCHBACK AND CONTROL METHOD THEREOF}

The present invention relates to a filial son, and more particularly, to a filial son's hand and a control method thereof that expands and contracts according to a button operation to scratch a portion out of reach of a user.

Hyoja hand (孝子手) is a tool used when scratching the back. One side is formed with a scraping protrusion to scratch the flesh, and the other side is provided with a handle that can be held by the user.

In general, hyojason is made of bamboo, but recently, it is also manufactured using a variety of materials such as synthetic resin such as plastic, metal, wood, and ivory.

Conventional hyoja hands were limited as they were used only for one purpose of scratching the back, but recently, in addition to the use of scratching the back, they apply chemicals or attach a pars to the body, and massage or massage body parts using vibration. Hyojason is being developed that provides various functions such as.

For example, in the following Patent Documents 1 to 3, there is disclosed a constitution of a filial son according to the prior art.

Patent Document 1 describes a configuration in which a drug is applied and massaged on a back area out of reach of a user using a filial son's hand.

In Patent Document 2, a multi-purpose filial piety hand configuration is described in which a telephone number is displayed or a songgong, a cutter knife, and the like are provided.

Patent Literature 3 describes a structure of a parse-attaching filial son capable of attaching a parse to a body part out of reach of a user.

Korean Patent Registration Publication No. 10-1636363 (announced on July 7, 2016) Republic of Korea Utility Model Registration Publication No. 20-0477899 (announced on August 3, 2015) Republic of Korea Utility Model Registration Publication No. 20-0474734 (announced on October 13, 2014)

However, the hyoja hands according to the prior art are manufactured to a certain length, and the user must directly move the hand to scratch the back, and the hand must be changed or moved according to the body part to be used.

Therefore, there is a need to develop a technology that can be conveniently used by moving the scratched part of the filial son in various positions and directions.

An object of the present invention is to solve the above-described problems, and to provide a filial hand and a control method thereof capable of easily scratching a body part out of reach of the hand.

Another object of the present invention is to provide a filial son and a control method thereof that can be conveniently used without the need for a user to change his or her hand or direction by automatically moving a scrape portion.

In order to achieve the above object, the filial son according to the present invention includes a body that expands and contracts to enable length adjustment, a scraping protrusion installed at one end of the body, a driving part that generates a driving force to expand and contract the body, and the And a control unit for controlling an operation of the driving unit, wherein the control unit adjusts a length of the body or controls driving of the driving unit to reciprocate the body based on an operation mode set by a user.

In addition, in order to achieve the above object, the method of controlling the sons and daughters according to the present invention includes the steps of: (a) receiving an operation mode of the sons and daughters through the input unit from the control unit, (b) driving the driving unit based on the set operation mode Adjusting the length of the body and (c) when the set operation mode is a reciprocating operation mode, extending and contracting the body to reciprocate the scraping protrusion, wherein the control unit is in the middle of executing the set operation mode. When stopped, it is characterized in that switching to a stop mode for maintaining a constant length of the body.

As described above, according to the filial son and its control method according to the present invention, it is possible to conveniently scratch the body part desired by the user by adjusting the length of the filial son to a desired length or by reciprocating the scratching protrusion using the driving force of the driving unit. The effect is obtained.

That is, according to the present invention, it is possible to scratch a desired body part by adjusting the length of the filial son, and when not in use, the effect of minimizing the length of the filial son can improve portability and storage.

In addition, according to the present invention, by setting the motion range, speed, and time for reciprocating the scratching protrusion, the user can automatically scratch the desired body part without the need to move his or her hands and arms.

Accordingly, according to the present invention, it is possible to increase convenience by providing various operation modes for operating the filial son.

1 is a block diagram of a filial son according to a preferred embodiment of the present invention,
2 and 3 are operational state diagrams of the filial sons shown in FIG. 1;
4 is a flowchart illustrating step-by-step a method of controlling a filial son according to a preferred embodiment of the present invention.

Hereinafter, a filial son and a control method thereof according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a filial son according to a preferred embodiment of the present invention, and FIGS. 2 and 3 are operational state diagrams of the filial son of FIG. 1.

FIG. 2 shows a state in which the length of the filial son is contracted to a minimum, and FIG. 3 shows a state in which the length of the filial son is extended to the maximum.

Hereinafter, terms indicating directions such as'left','right','front','rear','upward' and'downward' are defined as indicating each direction based on the state shown in each drawing. do.

The filial son 10 according to a preferred embodiment of the present invention is a body 20 that expands and contracts to allow length adjustment, and is installed at one end of the body 20 as shown in FIGS. 1 to 3. Including a scraping protrusion 30 that scratches a user's body part by the stretching operation of, a driving part 40 that generates a driving force to expand and contract the body 20, and a controller 50 that controls the operation of the driving part 40 do.

The filial son 10 according to a preferred embodiment of the present invention includes an input unit 60 that receives an operation command from a user, a power supply unit 70 that supplies power to each device, and a communication unit that communicates with the user's portable terminal 100 ( 80) may be further included.

The body 20 may be formed in a substantially rectangular parallelepiped shape by extending the length.

Of course, in addition to the rectangular parallelepiped shape, the body 20 may be formed in various shapes such as a cylindrical shape or a cylindrical shape having a polygonal cross section.

In addition, the body 20 may be partially bent one or more times, or may be formed in an arc shape curved at a predetermined curvature.

The body 20 may include a plurality of stages so as to be able to expand and contract.

For example, when the body 20 is provided in a total of 3 stages, the first stage 21 of the body 20 has a length of about 10 cm to 15 cm so that the user can carry it in a pocket or bag of clothes. The second end 22 and the third end 23 may be provided with a length shorter than the length of the first end 21 so that each of the second end 22 and the third end 23 can be accommodated in the first end 21.

Therefore, the present invention can improve portability and storage by reducing the length so that the second end 22 and the third end 23 are accommodated in the first end 21 when the filial son 10 is not in use. .

On the other hand, in the present invention, when using the filial son (10), the second end (22) and the third end (23) are each drawn out of the first end (21) and extended to a maximum of 30 cm or more so that it is not easily accessible. You can scratch your body.

The second end 22 is accommodated in the first end 21 of the body 20 when the filial hand 10 is not in use, and the first end 21 is driven by the driving unit 40 when the filial hand 10 is used. It may be provided to be able to slide and move so as to be withdrawn from.

And the third stage 23 is accommodated inside the first stage 21 and the second stage 22 when the filial son 10 is not used, and when the filial son 10 is used, the second stage is driven by the driving unit 40. It may be provided so as to be able to move the sladding to be withdrawn from (22).

To this end, a linear motion guiding the sliding movement between the inner surface of the first end 21 and the outer surface of the second end 22, and between the inner surface of the second end 22 and the outer surface of the third end 23 A guide module (not shown) such as a linear motion guige may be installed.

A scraping protrusion 30 including one or more protrusions bent to one side may be provided at an end of the third end 23 so as to scratch a user's body part.

In addition, a handle part 24 may be provided at the front end of the first end 21 so that the user can easily grasp it by hand.

The driving unit 40 is installed inside the first end 21 of the body and serves to provide a driving force to slide the second end 22 and the third end 23 of the body 20.

For example, the driving unit 40 is a driving motor that rotates forward or reverse by receiving power from the power supply unit 70, and a gear unit that transmits driving force generated by the driving motor to the second and third stages 23 It may include.

The gear unit may be provided with a rack and pinion gear for converting a rotational motion of an output shaft provided in a drive motor into a linear motion.

Of course, the present invention is not necessarily limited thereto.

That is, the present invention can be modified to apply a cylinder that expands and contracts by pneumatic or hydraulic pressure instead of a drive motor.

In addition, the present invention may be modified to apply a power transmission unit having various configurations such as a pulley, a belt, and a chain instead of a gear unit.

The control unit 50 is provided as a central control unit that controls the driving of each device provided in the child's hand 10, sets an operation mode according to an operation command input through the input unit 60 among preset operation modes, and sets the operation The driving of the driving unit 40 may be controlled according to the mode.

The operation modes include an elongation operation mode that increases the length of the body 20, a contraction operation mode that decreases the length of the body 20, a reciprocating operation mode that repeatedly increases and decreases the length of the body 20, and the body 20. ) To stop the expansion and contraction operation, and may include a stop mode for maintaining a predetermined length.

That is, the stretching operation mode increases the overall length of the body 20 by drawing the second end 22 and the third end 23 from the first end 21, and the contraction operation mode is the second end ( 22) and the third end 23 are accommodated into the first end 21 to reduce the overall length of the body 20.

In the reciprocating operation mode, the second end 22 and the third end 23 are withdrawn from the first end 21, and the operation of accommodating the second end 22 and the third end 23 inside the first end 21 is repeated.

In the stop mode, the drive unit 40 is stopped to maintain a constant length of the body 20.

In addition, a stopper (not shown) may be provided at the first to third ends 23 of the body 20 to prevent the first to third ends 23 from expanding and contracting.

For example, the stopper may be provided as a solenoid that appears and falls in response to a control signal from the control unit 50 to fix the first to third ends 23 at a predetermined position.

On the other hand, the control unit 50 receives the motion range, speed and time at which the body 20 extends from the user's mobile terminal 100 communicatively connected to the communication unit 80, and receives the received motion range, speed and time. It can be controlled to drive the driving unit 40 according to.

To this end, a dedicated application for controlling the driving of the child's hand 10 is installed in the mobile terminal 100, and the mobile terminal 100 executes the dedicated application to receive an operation command from the user and transmit it to the child's hand 10. I can.

For example, the portable terminal 100 may display a menu guiding the operation mode of the filial son 10 on the screen of the display panel, and guide the operation method for each operation mode.

In addition, the portable terminal 100 may display the length of the body 20 in units of 1 cm or 5 cm to set a desired length, and may set an operating range in which the body 20 expands and contracts.

In addition, the portable terminal 100 may receive the stretching operation speed set as the number of round trips per minute, and the operation time for executing the set operation mode in minutes or seconds.

As described above, according to the present invention, an operation mode may be set through an input unit or a portable terminal provided in the filial son, and the length of the filial son may be adjusted to increase or decrease according to the set operation mode, or may be extended and contracted, and fixed to a predetermined length.

In addition, the present invention can be automatically executed for a set time when the set operation mode, particularly the reciprocating operation mode, is set by setting the operation time when the operation mode is set.

The input unit 60 may include a power switch for receiving an operation command for turning on or off the power, and one or more mode selection buttons for receiving an operation command for selecting the operation mode.

The input unit 60 may be provided on the rear surface of the handle unit 24 provided on the body 20 or may be disposed at a position adjacent to the handle unit 24 so that the user can easily manipulate the input unit 60.

The power supply unit 70 may include a battery for charging by receiving external commercial power and a charging circuit for charging power to the battery with commercial power supplied through a charging port.

Next, with reference to FIG. 4 will be described in detail a method for controlling the filial son according to a preferred embodiment of the present invention.

4 is a flowchart for explaining step-by-step a method of controlling a filial son according to a preferred embodiment of the present invention.

When the power switch provided in the input unit 60 is turned on in step S10 of FIG. 4, the power supply unit 70 supplies power to each device provided in the child's hand 10.

Then, the control unit 50 initializes each device and sets an operation mode according to an operation command input from the user (S12).

At this time, the user can select the operation mode of the filial son 10 by manipulating the mode selection button provided on the input unit 60 of the filial son or daughter 10 or using the mobile terminal 100 communicatively connected to the filial son 10 .

In addition, the user can stop the operation mode by manipulating the stop button provided on the input unit 60 or the mobile terminal 100, or, in the case of executing the reciprocating operation mode, set an operation range, speed, and time to be expanded and contracted. .

In step S14, the control unit 50 controls the driving of the driving unit 40 to execute the set operation mode.

That is, the controller 50 extends the second end 22 and the third end 23 of the body 20 to sequentially withdraw from the first end 21 according to the set operation mode, or the second end ( 22) and the third stage 23 may be controlled to be contracted to sequentially accommodate the first stage.

And when the reciprocating operation mode is selected, the control unit 50 controls the reciprocating operation by drawing and receiving the second end 22 and the third end 23 from the first end 21 according to the set operating range and speed. I can.

Therefore, the user can scratch the body part by simply touching it on the body part to be scratched without the need to move the filial son hand 10 by moving the hand and arm.

On the other hand, in step S16, the control unit 50 checks whether the corresponding operation mode is stopped while executing the stretching operation mode, the contraction operation mode, or the reciprocating operation mode.

If, as a result of the inspection in step S16, the operation mode continues, the control unit 50 repeatedly controls steps S14 and S16 to execute the corresponding operation mode during an operation time set to perform the operation mode.

On the other hand, if the operation mode is stopped as a result of the inspection in step S16, the control unit 50 switches to the stop mode to maintain the body 20 at a predetermined length. A control signal is generated to protrude the provided stopper.

Therefore, the user can easily scratch the desired body part by using the filial hand 10 adjusted to the desired length.

When the corresponding operation mode is stopped or terminated as described above, in step S18, the control unit 50 checks whether a new operation mode is set.

If a new operation mode is set as a result of the inspection in step S18, the control unit 50 controls steps S14 to SS18 to be repeatedly performed.

On the other hand, if the new operation mode is not set as a result of the inspection in step S18, the control unit 50 checks whether the power switch is turned off and the power supply is stopped in step S20.

If, as a result of the inspection in step S20, power is continuously supplied, the controller 50 proceeds to step S12 and repeats the subsequent process.

On the other hand, when the power supply is stopped as a result of the inspection in step S20, the control unit 50 stops driving each device and ends.

Through the above-described process, the present invention can conveniently scratch the body part desired by the user by adjusting the length of the filial son to a desired length or by reciprocating the scraping protrusion using the driving force of the driving unit.

In addition, the present invention can increase convenience by providing various operation modes for operating the filial son.

Although the invention made by the present inventor has been described in detail according to the above embodiment, the invention is not limited to the above embodiment, and it goes without saying that the invention can be changed in various ways without departing from the gist of the invention.

The present invention is applied to a hyoja hand and a control method technology thereof that can conveniently scratch a body part desired by a user by adjusting the length of the filial son to a desired length or by reciprocating the scraping protrusion using the driving force of the driving unit.

10: filial son
20: body
21 to 23: stage 1 to stage 3
30: scraping protrusion
40: drive unit
50: control unit
60: input
70: power supply
80: communication department
100: mobile terminal

Claims (5)

Body that stretches and contracts to allow length adjustment,
A scraping protrusion installed at one end of the body,
A driving unit that generates a driving force to stretch and contract the body, and
It includes a control unit for controlling the operation of the driving unit,
Wherein the control unit adjusts the length of the body or controls driving of the driving unit to reciprocate the body based on an operation mode set by a user. The method of claim 1,
The body includes a plurality of stages so as to be able to expand and contract,
Each of the plurality of stages includes a guide module for guiding the sliding movement and
Hyojason, characterized in that a stopper for fixing each end whose length is adjusted is installed. The method of claim 2,
The operation mode is an extension operation mode that increases the length of the body,
A contraction operation mode for reducing the length of the body,
A reciprocating operation mode that repeatedly increases and decreases the length of the body, and
It includes a stop mode for stopping the stretching operation of the body and maintaining the body at a predetermined length,
Wherein the control unit controls to switch the stop mode when a corresponding operation mode is stopped in the process of performing the stretching, contracting, and reciprocating operation modes. The method of claim 3,
An input unit that receives an operation command from a user,
Power supply to supply power to each device and
Further comprising a communication unit for communicating with the user's mobile terminal,
The control unit sets the operation mode based on an operation command received from the input unit or the mobile terminal,
When the reciprocating operation mode is set, the reciprocating operation range, speed and time information are set, and the driving of the driving unit is controlled according to the set information. In the method for controlling filial sons and daughters according to any one of claims 1 to 4,
(a) receiving a setting of an operation mode of the filial son through the input unit from the control unit,
(b) adjusting the length of the body by driving the drive unit based on the set operation mode, and
(c) when the set operation mode is a reciprocating operation mode, including the step of reciprocating the scratching protrusion by stretching and contracting the body,
And if the control unit is stopped while executing the set operation mode, the control unit switches to a stop mode that maintains a constant length of the body.

Images