Toothbrush capable of adjusting head angle and improving road holding force

Abstract

The present invention relates to a toothbrush in which the angle of a head (part of a brush part of the toothbrush) can be adjusted and fixed according to the position of a handle, and the handle part has an improved grip so that it does not fall off or fall off from the hand, and the angle of the head is adjustable and provides an improved grip.

Description

Technical Field

[0001] The present invention relates to a toothbrush capable of adjusting and fixing the head angle (the toothbrush portion fixed to the brushing part) according to the position of the handle, and the handle portion has improved grip so that it will not slip or fall out of the hand, and the head angle can be adjusted to provide improved grip. Background Technology

[0002] Toothbrushes and toothpaste are tools for maintaining oral hygiene. Oral care is one of the most important things for keeping everyone, from babies to the elderly, healthy.

[0003] Currently, toothbrushes and toothpaste are essential tools for brushing teeth and are being developed in various ways to suit different people's tastes.

[0004] Generally, brushing teeth is done by holding the toothbrush in place and using the handle (body) of the toothbrush, which is bent within a specified range, to brush every corner of the mouth.

[0005] However, these traditional toothbrushes have a limitation: it is difficult to touch or wipe a part of the mouth. If you are brushing someone else's mouth (such as a child, patient, or elderly person) instead of your own, it is difficult to brush your teeth while looking in the mirror or at your own mouth.

[0006] Therefore, a toothbrush that is easy to adjust the angle and has a better grip is needed.

[0007] Existing technical documents

[0008] Patent documents

[0009] Patent Document 1: KR 10-2049109B

[0010] Patent Document 2: KR 10-1798963B

[0011] Patent Document 3: KR ​​10-2710352B Summary of the Invention

[0012] The problem that the invention aims to solve

[0013] The problem this invention seeks to solve is to provide a toothbrush that allows for easier adjustment of the angle between the brush head (head) portion and the handle portion, and that the angle can be adjusted in the desired direction, providing an adjustable head angle and improved grip so that the handle is not missed or slips when held, thus overcoming the limitations of conventional toothbrushes described above.

[0014] Methods for solving problems

[0015] According to one embodiment, a handle of a specified length is provided so that a user can grip it; and a head is connected to one end of the handle and has a brush head mounted on one side; it provides a toothbrush that allows you to adjust the angle of the head and provides better grip.

[0016] In addition, there is an angle adjustment component for adjusting the angle of the head portion; the handle is: a first handle, the top of which is connected to the head and has a first length; a second handle, the second handle being connected to the bottom of the first handle and having a second length; the angle adjustment unit is: a first hinge, the first hinge having a rotation axis in a first direction parallel to the direction of the brush head, the first direction having a rotation axis in a first direction parallel to the direction of the brush head, disposed at the lower center of the brush head portion; a pair of first guide rails disposed at the top inside the first handle; a pair of first support rods, located on the first guide rails and rising along the first guide rails; a first rack gear formed on one side of the first support rods; a first pinion, the first pinion being disposed inside the first handle, the first pinion being connected to the first rack gear; mounted on a pair of first pinions... A first angle adjusting gear on the gear; a first angle adjusting trigger connected to the first angle control mechanism; a second hinge having a second rotation axis perpendicular to the second handle, the second handle being disposed at the lower center of the first handle and connected to the first handle; a second hinge having a rotation axis perpendicular to the first direction in a second direction; a pair of second guide rails disposed inside the second handle; a pair of second support rods located in the second guide rails, the second support rods being movable up and down along the second guide rails; a second rack gear formed on one side of the second support rods; a second pinion disposed inside the second handle and connected to the second rack gear; a second helical gear mounted on the pair of second pinions; and a second tilt trigger connected to a second tilting device; the angle in the two-axis direction can be adjusted.

[0017] The first angle adjustment trigger device comprises: a first motor disposed inside the first handle; a first ball screw serving as the rotation axis of the first motor; a first rack connected to the first ball screw and a first ball guide rail; a third rack gear connected to the first ball guide rail and transported by the lifting device of the first ball guide device; the third rack gear connected to the first angle adjustment gear; a first driven gear connected to the third pinion gear on the same rotation axis and meshing with the first angle adjustment gear; a first button for turning the first motor on or off and exposed on one side of the first handle; a first battery supplying power to the first motor; and a first wireless charging coil for charging the first battery. The second angle adjustment trigger device comprises: a second motor disposed inside the second handle; a second ball screw serving as the rotation axis of the second motor; a second ball guide rail connected to the second ball screw; a fourth rack connected to the second ball guide rail and transported by the lifting device of the second ball guide device; and a rack mounted on the fourth rack. The toothbrush holder includes: a fourth pinion on a gear; a second driven gear connected to the fourth pinion on the same rotating shaft and meshing with the second helical gear; a second button for turning the second motor on or off, exposed on one side of the second handle; a second battery powering the second motor; and a second wireless charging coil for charging the second battery. When the second hinge is in a balanced state: the central axis of the first wireless charging coil is parallel to the central axis of the second wireless charging coil, and the first and second handles can be installed in the specified toothbrush holder, which is: a support base plate with a specified groove for positioning the lower end of the second handle; a second support back plate extending from one side of the support base plate to the upper and rear parts of the second handle; a first support back plate extending from the second support back plate to the upper and rear parts of the first handle; a second wireless charger on the second support back plate corresponding to the second wireless charging coil; a first wireless charger on the first support back plate corresponding to the first wireless charging coil; and the first and second batteries are rechargeable.

[0018] Furthermore, the second handle is a strip-shaped portion with one end fixed to the upper part of the second handle and the other end fixed to the lower part of the second handle; the strip includes: a strip body composed of a predetermined elastic band; an adjustable length portion formed on one side of the strip body, formed by alternating folds of the strip body several times; a plurality of seams formed by sewing the pleats between the length adjustments; a first elastic force mark fixed at point 1-1 on the other side of the strip body, the other end fixed at point 1-2 at a distance of a third length from point 1-1, the unloaded length being a first multiple of the third length, formed of a rubber material of a first color; a second elastic force mark made of a rubber material of a second color, characterized in that one end is fixed at a distance of 2-1 from point 1-1, the other end fixed at a distance of a third length from point 2-1, the length being a second multiple of the third length in the unloaded state, formed of a rubber material of a second color; and a third elastic force mark fixed at a distance of 3-1 from point 1-1. One end is fixed at a distance of 2-1 from point 3-1, and the other end is fixed at a distance of 3-2 from point 3-1, the third length being a third multiple of the third length in the unloaded state, and is made of rubber material of a third color; the fourth elastic mark is fixed at a distance of 4-1 from points 1-1, 2-1, and 3-1 at the other end, and the other end is fixed at a distance of 4-2 from point 4-1, the third length being a fourth multiple of the third length in the unloaded state, and is made of rubber material of a fourth color. Made of rubber material; and a fifth elastic mark made of rubber material of a fifth color, one end of which is fixed at a distance of a third length from points 1-1, 2-1, 3-1 and 4-1, and the other end of which is fixed at point 5-2 at a distance of a third length from point 5-1, the length being a fifth multiple of the third length in the unloaded state, and made of rubber material of a fifth color; points 1-1, 2-1, 3-1, 4-1 and 5-1 can be placed on a straight line on the band body.

[0019] Furthermore, the second handle is equipped with a gyroscope sensor; and a control unit that transmits the gyroscope sensor's measurement values ​​to a pair of user terminals; the user terminal receives the gyroscope sensor's measurement values, i.e., the acceleration in the three axes, from the control unit, and reads them separately while brushing; performs vector calculations on each of the three acceleration axes to calculate the sum of the accelerations; and determines whether there is wrist overload or improper brushing based on the sum of the accelerations; according to the control method, the control steps include, in part, reading the three-axis acceleration in a brushing cycle: the three-axis acceleration is not detected for more than one hour. The rest time is divided into multiple brushing sessions; and the brushing start time is marked at the acceleration points along the three axes of the brushing cycle; the steps for calculating the acceleration are as follows: the first summation step calculates the first sum, which is the sum vector of the accelerations measured on the three axes at the first time point, i.e., the points included in the "first brushing"; the second summation step generates the second acceleration, which is the sum vector of the accelerations measured on the third axis at the second time point, which is the next sequence after the first time point; the third summation step generates the first angle, which is the angle between the first and second accelerations. If the first angle is below the specified angle limit: Step 4-1 sums and extracts the third acceleration, using the smaller of the first and second accelerations; If extracting the third acceleration: Among the first and second points, extract point 3-1 corresponding to the third acceleration and point 3-2 corresponding to the third acceleration, using 4-2 summation steps; If extracting point 3-1: On the acceleration along the 3-axis direction, delete the values ​​measured at points 3-1 and 3-2, designate the point at point 3-2 as point 1, and return the summation operation of step 4-3 to the first summation operation step; If the first The angle is higher than the specified angle limit: 4-4 Summation operation step, specify the second point as the first viewpoint, return to the first summation operation step; Fifth summation operation step, after performing the first summation operation step on all time points included in the first round, calculate the root mean square of the square based on the first acceleration of each time point included in the first round; Sixth summation operation step, specify the root mean square of the square as the sum acceleration; The steps to determine whether the wrist is overloaded and brushing is defective are: If the sum acceleration is greater than the first reference value: determine the stage of wrist overload; If the sum acceleration is less than the second reference value: determine that brushing is not good.

[0020] Invention Effects

[0021] According to one embodiment, a toothbrush with an adjustable head angle can be manufactured through a simple operation.

[0022] In addition, you can configure a toothbrush with an adjustable head angle in two axes.

[0023] In addition, a stand that can charge two batteries simultaneously can be configured, which powers the motor that adjusts the head angle.

[0024] Furthermore, even if a certain amount of pressure is applied to the head, a structure can be constructed that does not transmit the pressure to the motor to adjust the angle.

[0025] In addition, it can improve the grip / holding of the toothbrush handle.

[0026] In addition, you can configure a toothbrush to allow users to easily adjust the length of the watch strap.

[0027] In addition, a strap can be configured to allow users to visually check the elasticity of the elastic band.

[0028] In addition, it can measure / acquire toothbrush usage patterns and provide users with specific notifications / information related to brushing. Attached Figure Description

[0029] Figure 1 This is a schematic cross-view view of a toothbrush that can adjust the angle of its head and provide improved grip according to an embodiment of the invention.

[0030] Figure 2 This is a schematic diagram showing the angle adjustment structure of a toothbrush, which can adjust the head angle and provide improved grip according to an embodiment of the present invention.

[0031] Figure 3 This is a horizontal view showing a toothbrush holder, wireless charging structure, and grip improvement structure that can adjust the head angle and provide improved grip according to an embodiment of the present invention.

[0032] Figure 4 This is a cross-view diagram showing the power transmission structure of a toothbrush that can adjust the head angle and provide improved grip according to an embodiment of the invention.

[0033] Figure 5 It is a flowchart illustrating a control method for a user terminal paired with a toothbrush that can adjust the head angle and provide improved grip according to an embodiment of the invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1: The first handle;

[0036] 2: The second handle;

[0037] 3: Head;

[0038] 30: Brush head;

[0039] 411: The first hinge;

[0040] 412: Track 1;

[0041] 413: First support rod;

[0042] 414: Grade 1 rack;

[0043] 415: First-stage pinion;

[0044] 416: 1st gear, adjustable angle;

[0045] 421: The second hinge;

[0046] 422: Track 2;

[0047] 423: The second support rod;

[0048] 424: Second rack gear;

[0049] 425: Second stage pinion;

[0050] 426: 2 adjustable angle settings;

[0051] 431: First motor;

[0052] 432: First ball screw;

[0053] 433: The first ball bearing guide;

[0054] 434: The third rack gear;

[0055] 435: The third pinion;

[0056] 436: First-stage driven gear;

[0057] 441: The second motor;

[0058] 442: Second ball screw;

[0059] 443: The second ball bearing guide;

[0060] 444: The 4th rack gear;

[0061] 445: 4th stage pinion;

[0062] 446: The second driven gear;

[0063] 51: The first wireless charging coil;

[0064] 52: The second wireless charging coil;

[0065] 53: Support base plate;

[0066] 54: First supporting backplate;

[0067] 55: Second support backplate;

[0068] 56: First-generation wireless charger;

[0069] 57: The second wireless charger;

[0070] 6: Watch strap;

[0071] 61: Length adjustment;

[0072] 62: Seam;

[0073] 631: Marker for the first elastic force;

[0074] 632: Second elastic force marking;

[0075] 633: Marker for the third elastic force;

[0076] 634: The 4th elastic force mark;

[0077] 635: The 5th elastic force mark;

[0078] P1: Branch 1-1;

[0079] P2: Point 2;

[0080] P3: Branch 3-1;

[0081] P4: Branch 4-1;

[0082] P5: Point 5-1;

[0083] S100: A procedure for reading acceleration by dividing the acceleration in the three-axis direction into the number of brushing strokes;

[0084] S200: Steps for calculating total acceleration;

[0085] S300: Steps to identify wrist overload and poor brushing technique. Detailed Implementation

[0086] The embodiments are described in detail below with reference to the accompanying drawings. However, various modifications can be made to the embodiments, and therefore the scope of the patent application is not limited to or restricted by these embodiments. Any changes, equivalents, or substitutions to the embodiments should be understood to be included within the scope of the claims.

[0087] The specific structural or functional descriptions of the embodiments are provided for illustrative purposes only and may be modified and implemented in various forms. Therefore, the embodiments are not limited to a particular form of disclosure, and the scope of this specification includes changes, uniformities, or substitutions incorporated into the descriptive concepts.

[0088] Terms such as first or second can be used to describe various components, but the interpretation of these terms should only be used to distinguish one component from another. For example, the first component can be named the second component, and similarly, the second component can be named the first component.

[0089] When a component is said to be "connected" to another component, it should be understood that it may be directly connected to or connected to another component, but there may be another component between them.

[0090] The terminology used in the embodiments is for illustrative purposes only and should not be construed as restrictive. Singular expressions include plural expressions unless the context clearly implies otherwise. In this specification, the terms "comprising" or "having" should be understood to mean the presence of the functions, numbers, steps, actions, components, parts, or combinations thereof described herein, and should not exclude the presence or addition of one or more other functions or numbers, steps, actions, components, parts, or combinations thereof.

[0091] Unless otherwise defined, all terms used herein, including technical or scientific terms, shall have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments pertain. Terms such as those defined in common dictionaries shall be interpreted as having the meaning consistent with their meaning in the relevant descriptive context and shall not be interpreted in an idealistic or overly formal sense unless expressly defined in this application.

[0092] Furthermore, when describing the accompanying drawings, regardless of the drawing code, the same reference numerals should be assigned to the same elements, and identical repetitive descriptions should be omitted. When describing embodiments, detailed descriptions should be omitted if it is determined that a specific description of the relevant technical notifications may unnecessarily obscure the essential points of the embodiment.

[0093] The shapes, sizes, proportions, angles, and quantities disclosed in the accompanying drawings are used to illustrate embodiments of the invention. These shapes, sizes, proportions, angles, and quantities are illustrative and not limiting to the matters shown. Furthermore, in describing the invention, detailed descriptions of relevant known technologies should be omitted if it is determined that such detailed descriptions may unnecessarily obscure the essential points of the invention. When using words such as 'include,' 'have,' and 'be done' as mentioned in this specification, other parts may be added unless '~only' is used. This includes cases where components are represented in the singular but contain a plural, unless specifically stated otherwise.

[0094] When interpreting components, even if not explicitly stated, they will be interpreted as including the error magnitude.

[0095] If the description of the positional relationship is described as '~above', '~top', '~below', '~beside', etc., then one or more other parts may be located between these two parts, unless 'immediately' or 'direct' is used.

[0096] The dimensions and thicknesses of each configuration shown in the figure are for illustrative purposes only, and the invention is not necessarily limited to the size and thickness of the structures shown.

[0097] Each feature in the various embodiments of the present invention can be combined with each other in part or in whole, and as those skilled in the art will fully understand, they can be technically linked and driven together, and each embodiment can be performed independently of each other or together in an associated relationship.

[0098] According to one embodiment, a handle of a specified length is provided so that the user can grip it; and a head (3) is attached to one end of the handle and has a brush head 30 mounted on one side; it provides a toothbrush that allows you to adjust the angle of the head and provides better grip.

[0099] exist Figure 1 The image shows a toothbrush similar to the one described above.

[0100] The toothbrush according to one embodiment of the present invention is the same as a conventional toothbrush except for the parts described in the description of the present invention.

[0101] The handle is rod-shaped so that users can grip and move it by hand, but it can also be curved or protruded to improve grip.

[0102] In the head portion 3, multiple brush heads 30 are fixed on one side and the other side.

[0103] In addition, the angle adjustment part is used to adjust the angle 3 of the head part; the handle is: the top is connected to the head part 3, the first handle has a first (1) length; the second handle 2 has a length of 2, and the second handle 2 is connected to the bottom of the first handle 1; the angle adjustment unit is: set at the lower center of the brush head 3 and connected to the first handle 1 and the brush head 3, but has a rotation axis parallel to the first direction of the brush head 30 411; a pair of first guide rails 412 are set at the inner top of the first handle 1; a pair of first support rods 413 are located on the first guide rails 412 and can be raised along the first guide rails 412; the first rack 414 is formed on one side of the first support rod 413; the first pinion 415 is set on the inner side of the first handle 1 and connected to the first rack 414; the first helical gear 416 is installed on the pair of first pinions 415; the first tilt trigger is connected to the first tilt device 416; the second hinge 421 has a first handle set at the lower center of the first handle 1. The hand 421 has a rotating shaft in the second direction and connects the second handle 2 and the first handle 1; a pair of second guide rails 422 are disposed on the top inner side of the second handle 2; a pair of second support rods 423 are located on the second guide rails 422 and can be raised along the second guide rails 422; a second rack 424 is formed on one side of the second support rods 423; a second pinion 425 is disposed on the inner side of the second handle 2 and connected to the second rack 424; a second angle adjusting gear 426 is mounted on the pair of second pinions 425; and a second tilt trigger is connected to the second tilting device 426; the angle in the two-axis direction can be adjusted.

[0104] Angle adjustment section; is a term that includes all or part of the structure / component that controls the angle between the head (3) and the handle.

[0105] The handle consists of two parts: a first handle (1) and a second handle (2). The first handle (1) and the second handle (2) are respectively made of materials with predetermined strength and elasticity.

[0106] like Figure 3 As shown, the first handle 1 may consist of a first length similar to the head portion 3, and the second handle 2 may consist of a second length that is longer than the head portion 3.

[0107] exist Figure 2 The image shows an angle adjustment structure centered on either the first hinge 411 or the second hinge 421.

[0108] exist Figure 2 and Figure 4The text first describes the angle adjustment structure (first guide rail 412, first support rod 413, head 3, first handle 1, etc.) interlocked with the first hinge 411, and then introduces the angle adjustment structure (second guide rail 422, second support rod 423, first handle 1, second handle 2, etc.) interlocked with the second hinge 421.

[0109] For example, Figure 2 The symbols “413, 423” described in the text can be understood as “413” when describing the structure between the head (3) and the first handle (1) relative to the first hinge 411, and as “423” when describing the structure between the first handle (1) and the second handle (2) relative to the second hinge 421.

[0110] The first hinge 411; the head part 3 and the first handle 1 are connected to each other, and each part is configured to be able to rotate freely relative to each other.

[0111] In other words, if the first support rod 413 is not supported, the head portion 3 can be tilted by rotating to the left or right relative to the first hinge 411.

[0112] Based on this, the angle of the head 3 can be adjusted relative to the first handle 1, and the angle is maintained by the first support rod 413 supporting the lower end of the head part 3.

[0113] The horizontal state is shown in 2(a), and the tilt angle is shown in 2(b).

[0114] The space between the head 3 and the first handle 1, and the space between the first handle (1) and the second handle (2) are sealed with a specified bellows to prevent the inflow of foreign objects.

[0115] The first hinge 411 has a rotation axis in the first direction that is parallel to the extension direction of the brush head 30.

[0116] The first guide rail 412 forms a pair on the inner side of the first handle 1, and the first support rod 413 is provided so that it can move up and down along the first guide rail 412.

[0117] In other words, the outer diameter / outer circumferential surface of the first support rod 413 and the inner diameter / inner circumferential surface of the first guide rail 412 correspond to each other.

[0118] The first support rod 413 is designed to have sufficient strength so that it will not bend or deform due to the force of a person's hand, etc., and is fixed so that the head 3 will not rotate by adhering to the bottom of the head 3.

[0119] The first rack 414 is integrally formed with the first support rod 413 and is located on the lower surface of the first support rod 413.

[0120] The first pinion 415 engages with the first rack 414. When the first pinion 415 raises the first rack 414, the angle of the head 3 can be adjusted.

[0121] The first support rod 413, the first rack 414, and the first pinion 415 are each provided in a pair to correspond to the first guide rail 412.

[0122] The first angle adjusting gear 416 simultaneously meshes with a pair of first pinions 415.

Claims

1. A toothbrush with an adjustable head angle and improved grip, wherein, include: The handle is of a specified length so that the user can grip it. and The head is connected to one end of the handle and has a brush head on one side.

Images