Toothbrush for adjusting the pressure of the phage

Abstract

The present invention relates to a toothbrush for adjusting gripping pressure, and more specifically, to enable users with reduced toothbrush gripping ability, such as children and the elderly, to brush their teeth efficiently and conveniently by forming curved surfaces having various angles on the neck and gripping portions of the toothbrush to adjust the user's gripping and pressure, wherein a first pore (110) having a first angle (A1) is arranged at a first interval in the direction of the rim, and a second pore (120) having a second angle (A2) different from the first angle (A1) is formed at a second interval inside the first pore (110), and a first implanted bristles (111) are inserted into the first pore (110) and a second implanted bristles (121) are inserted into the second pore (120), and a rotating head (130) is rotatably coupled to a head body (140); and in the head body (140 The present invention relates to providing a toothbrush for adjusting gripping pressure, comprising: a neck portion (200) that extends in the direction of the gripping portion (300) and forms a first curved surface (G1) that is upwardly curved, wherein the upper portion forms a first neck inclined surface (210), and the lower portion of the first neck inclined surface (210) is provided with a second neck inclined surface (220) having a different angle from the first neck inclined surface (210); and the gripping portion (300) that extends from the rear end of the neck portion (200) such that the first neck inclined surface (210) forms a second curved surface (G2) and the second body surface (320) extends such that the second neck inclined surface (220) forms a third curved surface (G3).

Description

Technology Field

[0001] The present invention relates to a toothbrush for adjusting grip pressure, and more specifically, to providing a toothbrush for adjusting grip pressure that allows users with reduced toothbrush gripping ability, such as children and the elderly, to brush their teeth efficiently and conveniently by forming curved surfaces with various angles on the neck and grip portions of the toothbrush to adjust the user's grip and pressure. Background Technology

[0003] Generally, toothbrushes are designed based on the standard physical capabilities of an adult and consist of a head, neck, and handle. While this enables sufficiently effective cleaning for adults, there are several issues when brushing for certain users, such as children or the elderly.

[0004] First, children and the elderly often have weak hand muscles and reduced fine motor skills, making it difficult to firmly grip a toothbrush. Consequently, the handle may slip or fail to maintain an accurate position, causing the cleaning angle to become misaligned and reducing the efficiency of contact with the tooth surface. In particular, the elderly struggle to hold the toothbrush stably due to physical limitations such as arthritis or hand tremors; this can lead to them dropping the handle or applying excessive force while brushing, causing the toothbrush to injure the teeth or gums.

[0005] In addition, while proper pressure is a key element of tooth cleaning, conventional toothbrushes lack the ability to distribute or control the force applied by the user. Consequently, the elderly, due to reduced hand dexterity and maneuverability, are unable to control the appropriate force and end up brushing with too little force, resulting in reduced cleaning effectiveness. Conversely, applying excessive force can damage the gums or cause wear on the tooth enamel. Children, on the other hand, lack the ability to control the strength of their force, leading to problems such as excessive pressure on specific areas causing gum bleeding or uneven cleaning, which results in failure to remove plaque between teeth or an increased risk of periodontal disease.

[0006] Furthermore, conventional toothbrush handles are mostly simple cylindrical or flat in shape, making them unsuitable for the hand sizes of children and the elderly. Children with small hands find it difficult to grip the toothbrush properly, while the elderly struggle to hold it stably due to limited range of motion in their joints. Additionally, in wet environments, the handle tends to slip more easily, leading to frequent drops of the toothbrush during cleaning or increased grip instability. Conventional handles do not adequately incorporate anti-slip features, causing inconvenience as users must grip the handle tightly. This results in increased hand fatigue and makes prolonged use difficult.

[0007] In addition, the head and neck of conventional toothbrushes are mostly fixed with a single material and cannot adapt to the tooth structure and the various curves of the oral cavity. Children and the elderly have oral cavity sizes and shapes different from adults, and the elderly often have damaged or missing teeth, requiring flexible brushing. However, conventional toothbrushes are not suitable for these specific oral conditions. When the neck is rigid, the toothbrush struggles to reach deep behind the teeth, which leads to a failure to clean particularly blind spots in the oral cavity. Furthermore, due to the rigid structure, vibrations and shocks are transmitted directly during brushing, irritating the gums, which can further exacerbate gum damage in the elderly.

[0008] In particular, conventional toothbrushes have simple and unfunctional designs for the handle and head, which can cause fatigue to the user when used for a long time. Children often lose interest or fail to complete the proper cleaning process due to strain on their hands while using the toothbrush for extended periods, and the elderly, whose teeth and gums are sensitive, may experience pain if excessive vibration or pressure generated during brushing persists for a long time.

[0009] Therefore, these problems with conventional toothbrushes are inconveniences frequently experienced by users, such as children and the elderly, when using them. To solve these issues, there is a need to develop a new toothbrush that allows users to brush their teeth more conveniently by forming curved surfaces with various angles on the grip and neck sections and combining hard and soft materials. Prior art literature

[0011] Patent Literature (001) Republic of Korea Registered Patent No. 10-2233724 (Registered on March 24, 2021) The problem to be solved

[0012] The technical problem that the present invention aims to solve is to resolve the problems or necessities as described above.

[0013] First, the aim is to provide a toothbrush with adjustable grip pressure that effectively disperses the pressure generated during brushing through various curved surfaces of the handle and neck, allowing the user to hold the toothbrush stably and conveniently use it even for children or the elderly with reduced grip adjustment ability.

[0014] Second, the aim is to provide a toothbrush with adjustable grip pressure that allows the user to maximize the cleaning effect without applying excessive pressure, by designing it to properly adhere to the teeth and gums through the rotatable structure of the head and the flexibility of the neck.

[0015] Third, the aim is to provide a toothbrush with adjustable grip pressure that prevents slipping even when wet by combining hard and soft materials in the handle, allowing children with small hands and the elderly with weak hand strength to use it stably.

[0016] Fourth, the aim is to provide a toothbrush with adjustable grip pressure that minimizes fatigue on the user's hand during brushing and maintains comfort even during long-term use through the design of inclined and curved surfaces of the grip and neck parts.

[0017] Fifth, the aim is to provide a toothbrush with adjustable grip pressure that optimizes the structure and placement angle of the head to enable uniform access to all surfaces of the teeth and the gum line, and enhances the effect of removing plaque between teeth.

[0018] Sixth, the aim is to provide a toothbrush with adjustable grip pressure that can maintain hygiene by quickly removing moisture remaining on the toothbrush after use and preventing bacterial growth through the space formed between the neck and the gripping part and the drainage design.

[0019] Seventh, the purpose is to provide a toothbrush with adjustable grip pressure that can be conveniently used in various usage environments by adding various pattern lines to the pad material of the handle to increase the sense of stability when the user grips the toothbrush.

[0020] Eighth, the aim is to provide a toothbrush with adjustable grip pressure that implements universal design, allowing anyone to use it easily, by enhancing adaptability through a design that considers the hand sizes and usage habits of children and the elderly.

[0021] Ninth, the aim is to provide a toothbrush with adjustable grip pressure that efficiently adjusts the pressure and movement generated during brushing to prevent damage to teeth and gums and help maintain oral health.

[0023] Meanwhile, the technical problems to be solved by the present invention are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art to which the present invention belongs from the description below. means of solving the problem

[0025] A toothbrush for adjusting gripping pressure related to an example of the present invention for realizing the above-described problem may first include a head part (100) in which a first pore (110) having a first angle (A1) in the direction of the edge is arranged at a first interval, and a second pore (120) having a second angle (A2) different from the first angle (A1) is formed at a second interval inside the first pore (110), and a first implanted bristles (111) are inserted into the first pore (110) and a second implanted bristles (121) are inserted into the second pore (120), and a rotating head (130) is rotatably coupled to a head body (140).

[0026] Additionally, it may include a neck portion (200) that extends from the head body (140) toward the gripping portion (300) and forms an upwardly curved first curved surface (G1), the upper portion having a first neck inclined surface (210), and the lower portion of the first neck inclined surface (210) having a second neck inclined surface (220) having a different angle from the first neck inclined surface (210).

[0027] Additionally, the gripping portion (300) may be provided with a first body surface (310) that extends from the rear end of the neck portion (200) and forms a second curved surface (G2) where the first neck slope surface (210) extends, and a second body surface (320) that extends from the second neck slope surface (220) and forms a third curved surface (G3).

[0028] Here, the first angle (A1) of the first pore (110) is provided to be inclined in the direction of a virtual centerline parallel to the longitudinal direction of the head portion (100), and the second angle (A2) of the second pore (120) is provided vertically up and down relative to the longitudinal direction of the head portion (100).

[0029] Meanwhile, the neck portion (200) may be characterized by proceeding from front to rear so that the pressure of the head portion (100) generated during toothbrushing is absorbed and the pressure of the gripping portion (300) is transmitted, and the first and second neck inclined surfaces (210, 220) are sequentially arranged with a front surface (230), a middle surface (240), and a rear surface (250), wherein the cross-sectional area of ​​the front surface (230) is smaller than the cross-sectional area of ​​the rear surface (250), and the cross-sectional area of ​​the middle surface (240) is smaller than the cross-sectional area of ​​the front surface (230).

[0030] At this time, the position of the middle section (240) with the smallest cross-sectional area may be characterized by being closer to the front section (230) at the midpoint between the position of the rear section (250) and the position of the front section (230).

[0031] Additionally, the gripping portion (300) may be characterized by having a fourth and fifth curved surface (G4, G5) having a different direction of travel from the second and third curved surfaces (G2, G3) at the rear of the second and third curved surfaces (G2, G3), and the first body surface (310) and the second body surface (320) formed of a hard resin material, with a first receiving groove (311) formed on the upper surface of the first body surface (310) and a second receiving groove (321) formed on the lower surface of the second body surface (320), wherein a first pad material (330) and a second pad material (340) made of a soft material are combined in each of the first and second receiving grooves (311, 321).

[0032] Here, the first and second pad materials (330, 340) may be characterized by having a protruding coupling means (350, 360) formed in the direction of the first and second receiving grooves (311, 321), and a coupling groove (370, 380) formed in the first and second receiving grooves (311, 321) that interferably couples with the protruding coupling means (350, 360).

[0033] At this time, the protruding coupling means (350, 360) may be characterized by having a tapered guide surface (351, 361) formed at the tip of the coupling groove (370, 380) to facilitate insertion, and an expanded guide surface (352, 362) formed in the direction of the first and second pad materials (330, 340) that is larger than the diameter or diagonal length of the guide surface (351, 361), wherein the expanded guide surface (352, 362) is provided such that its cross-sectional area gradually increases as it progresses from the coupling groove (370, 380) toward the first and second pad materials (330, 340).

[0034] Additionally, the coupling groove (370, 380) is provided with a tapered coupling surface (371, 381) having a shape corresponding to the expansion guide surface (352, 362) and having a diameter or diagonal length equal to that of the expansion guide surface (352, 362), and is provided with a compression guide material (371a, 381a) protruding in the direction of the expansion guide surface (352, 362) inserted from the tapered coupling surface (371, 381).

[0035] The surface of the first pad material (330) may be characterized by having a plurality of first pad pattern lines (332) protruding in a curved manner in the direction of the head portion (100) at predetermined intervals.

[0036] At this time, the surface of the second pad material (340) is provided with a plurality of second pad pattern lines (342) perpendicular to the longitudinal direction of the second pad material (340) at predetermined intervals, and the soft material forming the first and second pad materials (330, 340) may be selected from synthetic rubber, silicone, or TPE (thermoplastic elastomer).

[0037] Here, the first and second pad materials (330, 340) may be characterized by having a protruding coupling means (350, 360) formed in the direction of the first and second receiving grooves (311, 321), and a coupling groove (370, 380) formed in the first and second receiving grooves (311, 321) that interferably couples with the protruding coupling means (350, 360), wherein a flange groove (372, 382) is further formed in the first and second receiving grooves (311, 321) surrounding the coupling groove (370, 380).

[0038] At this time, the first and second pad materials (330, 340) on the outer side of the protruding coupling means (350, 360) may be further provided with a flange protrusion (331, 341) corresponding to the flange groove (372, 382). Effects of the invention

[0040] If you use the toothbrush for adjusting gripping pressure of the present invention,

[0041] First, by forming curved surfaces of different angles on the handle and neck so that they are held securely in the hand and pressure is effectively distributed during brushing, it is possible for children and the elderly to perform brushing stably and efficiently even if they lack hand grip ability.

[0042] Second, through the rotatable structure of the head and the flexibility of the neck, it adheres gently to the curved surfaces of the teeth and gums, preventing excessive pressure, and can clean all surfaces of the teeth regardless of the user's oral structure, thereby maximizing cleaning efficiency.

[0043] Third, by using a handle and pad material that combine hard and soft materials, it is designed to prevent slipping during use and enable a stable grip even in wet environments, making it more convenient for children and the elderly to use.

[0044] Fourth, by optimizing the inclined and curved surfaces of the neck and grip parts, it reduces fatigue on the hands and wrists during brushing, and allows elderly people with weak hand strength or users who need to brush for a long time to use it without strain, thereby enhancing long-term usability.

[0045] Fifth, by arranging the first and second pores of the head at different angles to be suitable for removing plaque not only from the surface of the teeth but also between the gum line and the teeth, it has the effect of improving the uniformity and efficiency of tooth cleaning.

[0046] Sixth, by forming various pattern lines on the surface of the soft pad material, the grip is enhanced when the user holds the toothbrush, and it has the effect of allowing children with small hands and the elderly with weak hand strength to use it more stably.

[0047] Seventh, the overall structure is designed to fit the hand sizes and usage habits of children and the elderly, minimizing discomfort that may occur during toothbrush use and enabling anyone to brush their teeth easily.

[0049] Meanwhile, the effects obtainable from the present invention are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the present invention belongs from the description below. Brief explanation of the drawing

[0051] The following drawings attached to this specification illustrate a preferred embodiment of the present invention and serve to further enhance understanding of the technical concept of the present invention together with the detailed description of the invention; therefore, the present invention should not be interpreted as being limited only to the matters described in such drawings. FIGS. 1 and 2 are drawings showing the overall configuration of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIGS. 3 to 6 are drawings showing the head portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIGS. 7 and 8 are drawings showing the neck portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIGS. 9 and 10 are drawings showing a first body surface and a second body surface of a gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIG. 11 is a drawing showing a first pad material and a second pad material of a gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIG. 12 is a drawing showing a first protruding coupling means and a second protruding coupling means of a gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. FIGS. 13 to 17 are drawings showing the coupling groove of the gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention. Specific details for implementing the invention

[0052] Specific structural or functional descriptions of embodiments according to the concept of the present invention disclosed herein are provided merely for the purpose of explaining embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms and are not limited to the embodiments described herein.

[0053] Embodiments according to the concept of the present invention may be subject to various modifications and may take various forms; therefore, embodiments are illustrated in the drawings and described in detail in this specification. However, this is not intended to limit the embodiments according to the concept of the present invention to specific disclosed forms, and includes all modifications, equivalents, or substitutions that fall within the spirit and scope of the present invention.

[0055] FIGS. 1 and 2 are drawings showing the overall configuration of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIGS. 3 to 6 are drawings showing the head portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIGS. 7 and 8 are drawings showing the neck portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIGS. 9 and 10 are drawings showing the first body surface and the second body surface of the gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIG. 11 is a drawing showing the first pad material and the second pad material of the gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIG. 12 is a drawing showing the first protruding coupling means and the second protruding coupling means of the gripping portion of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention; FIGS. 13 to 17 are drawings of a toothbrush for adjusting gripping pressure according to a preferred embodiment of the present invention This is a drawing showing the coupling groove of the gripping part.

[0057] A toothbrush for adjusting gripping pressure according to one embodiment of the present invention first comprises a head part (100) in which a first pore (110) having a first angle (A1) in the direction of the edge is arranged at a first interval, and a second pore (120) having a second angle (A2) different from the first angle (A1) is formed at a second interval inside the first pore (110), and a first implanted bristles (111) are inserted into the first pore (110) and a second implanted bristles (121) are inserted into the second pore (120), and a rotating head (130) is rotatably coupled to a head body (140) so as to be detachably rotatably coupled thereto.

[0058] In addition, the neck portion (200) is configured such that it forms a first curved surface (G1) that extends upwardly from the head body (140) in the direction of the gripping portion (300), the upper portion forms a first neck inclined surface (210), and the lower portion of the first neck inclined surface (210) forms a second neck inclined surface (220) having a different angle from the first neck inclined surface (210).

[0059] In addition, the gripping portion (300) is configured such that at the rear end of the neck portion (200), the first neck slope surface (210) extends to form a second curved surface (G2) and the second body surface (320) extends to form a third curved surface (G3).

[0060] Here, the first angle (A1) of the first pore (110) is provided to be inclined in the direction of a virtual centerline parallel to the longitudinal direction of the head portion (100), and the second angle (A2) of the second pore (120) is configured to be vertically perpendicular to the longitudinal direction of the head portion (100).

[0061] Meanwhile, the neck portion (200) is configured to proceed from front to rear so that the pressure of the head portion (100) generated during brushing is absorbed and the pressure of the gripping portion (300) is transmitted, and the first and second neck inclined surfaces (210, 220) are sequentially arranged with a front surface (230), a middle surface (240), and a rear surface (250), wherein the cross-sectional area of ​​the front surface (230) is smaller than the cross-sectional area of ​​the rear surface (250), and the cross-sectional area of ​​the middle surface (240) is smaller than the cross-sectional area of ​​the front surface (230) so that elastic force is formed in the neck portion during brushing.

[0062] At this time, it is preferable that the position of the middle section (240) with the smallest cross-sectional area be positioned closer to the front section (230) at the midpoint between the position of the rear section (250) and the position of the front section (230).

[0063] Additionally, the gripping portion (300) forms a fourth and fifth curved surface (G4, G5) having a different direction of travel from the second and third curved surfaces (G2, G3) at the rear of the second and third curved surfaces (G2, G3), and the first body surface (310) and the second body surface (320) are formed with a hard resin material, and a first receiving groove (311) is formed on the upper surface of the first body surface (310) and a second receiving groove (321) is formed on the lower surface of the second body surface (320), and a first pad material (330) and a second pad material (340) made of a soft material are combined in each of the first and second receiving grooves (311, 321) to correspond to the position of the user's hand or finger gripping and to prevent slipping.

[0064] Here, the first and second pad materials (330, 340) have protruding coupling means (350, 360) formed in the direction of the first and second receiving grooves (311, 321), and the first and second receiving grooves (311, 321) have coupling grooves (370, 380) formed in the first and second receiving grooves (311, 321) that interferentially connect with the protruding coupling means (350, 360).

[0065] At this time, the protruding coupling means (350, 360) is formed with a tapered guide surface (351, 361) to facilitate insertion into the leading edge of the coupling groove (370, 380), and an expanded guide surface (352, 362) is formed in the direction of the first and second pad materials (330, 340) that is larger than the diameter or diagonal length of the guide surface (351, 361). The expanded guide surface (352, 362) proceeds from the coupling groove (370, 380) toward the first and second pad materials (330, 340) and gradually increases in cross-sectional area so that insertion is easy and rigidity after coupling is maintained.

[0066] Additionally, the coupling groove (370, 380) is provided with a tapered coupling surface (371, 381) having the same diameter or diagonal length as the expansion guide surface (352, 362) to have a shape corresponding to the expansion guide surface (352, 362), and a compression guide material (371a, 381a) protruding in the direction of the expansion guide surface (352, 362) inserted from the tapered coupling surface (371, 381) is provided, and a plurality of first pad pattern lines (332) protruding in a curved direction toward the head portion (100) are formed at predetermined intervals on the surface of the first pad material (330).

[0067] At this time, a plurality of second pad pattern lines (342) perpendicular to the longitudinal direction of the second pad material (340) are provided at predetermined intervals on the surface of the second pad material (340), and the soft material forming the first and second pad materials (330, 340) is selected from synthetic rubber, silicone, or TPE (thermoplastic elastomer).

[0068] In addition, a protruding coupling means (350, 360) is formed in the direction of the first and second receiving grooves (311, 321) on the first and second pad materials (330, 340), and a coupling groove (370, 380) that interferably couples with the protruding coupling means (350, 360) is formed in the first and second receiving grooves (311, 321), and a flange groove (372, 382) is formed in the first and second receiving grooves (311, 321) surrounding the coupling groove (370, 380) so that sufficient pressure is applied when inserted.

[0069] At this time, the first and second pad materials (330, 340) on the outside of the protruding coupling means (350, 360) are configured with flange protrusions (331, 341) corresponding to the flange grooves (372, 382).

[0071] By using the toothbrush for adjusting grip pressure according to the present invention described above, curved surfaces at different angles are formed on the handle and neck to ensure a stable grip during brushing and to effectively distribute pressure, thereby enabling children and the elderly to perform brushing stably and efficiently even if they lack grip strength. Furthermore, the rotatable structure of the head and the flexibility of the neck allow for a soft contact with the curved surfaces of teeth and gums to prevent excessive pressure, and all surfaces of the teeth can be cleaned regardless of the user's oral structure, thereby increasing cleaning efficiency. Additionally, the use of a handle and pad material combining hard and soft materials prevents slipping during use and is designed to allow for a stable grip even in wet environments, making it more convenient for children and the elderly to use. Optimizing the inclined and curved surfaces on the neck and grip reduces fatigue on the hand and wrist during brushing, allowing the elderly with weak hand strength or users requiring long-term brushing to use it without strain, thus enhancing long-term usability. Finally, by arranging the first and second pores of the head at different angles, it is designed to be suitable for removing plaque not only from the tooth surface but also from the gum line and between the teeth, thereby [improving] the tooth It is expected to have the effect of improving the uniformity and efficiency of cleaning.

[0073] The present invention has been described above through a preferred embodiment. However, the above-described embodiment is merely an illustrative explanation of the technical concept of the present invention, and it will be understood by those skilled in the art that various changes are possible within the scope of the technical concept of the present invention. Accordingly, the scope of protection of the present invention should be interpreted by the matters described in the patent claims rather than by specific embodiments, and all technical concepts within the same or similar scope should also be interpreted as being included within the scope of rights of the present invention. Explanation of the symbols

[0075] 100 ... head section 110 ... 1st pore 111 ... No. 1 Planting Material 120 ... 2nd pore 121 ... 2nd Planting Material 130 ... rotary head 140 ... head body 200 ... wood 210 ... 1st neck slope surface 220 ... 2nd neck slope surface 230 ... shear surface 240 ... Intermediate section 250 ... rear section 300 ... waste paper 310 ... 1st body surface 311 ... 1st reception home 320 ... 2nd body surface 321 ... 2nd reception home 330 ... 1st pad material 331 ... flange protrusion (1st pad material) 332 ... 1st pad pattern line 340 ... 2nd pad material 341 ... flange protrusion (second pad material) 342 ... 2nd pad pattern line 350 ... first protruding coupling means 351 ... guide surface (first protruding coupling means) 352 ... expansion guide surface (first protruding coupling means) 360 ... second protruding coupling means 361 ... guide surface (second protruding coupling means) 362 ... expansion guide surface (second protruding coupling means) 370 ... coupling groove (1st) 371 ... tapered joint surface (1st) 371a ... compression guide material (No. 1) 372 ... flange groove (1st) 380 ... coupling groove (2nd) 381 ... tapered joint surface (2nd) 381a ... compression guide material (No. 2) 382 ... flange groove (2nd) G1 ... first curved surface G2 ... second curved surface G3 ... third curved surface G4 ... 4th curved surface G5 ... 5th curve surface

Claims

Claim 1 A head portion (100) in which a first pore (110) having a first angle (A1) in the direction of the edge is arranged at a first interval, and a second pore (120) having a second angle (A2) different from the first angle (A1) is formed at a second interval inside the first pore (110), and a first planting hair (111) is inserted into the first pore (110) and a second planting hair (121) is inserted into the second pore (120), and a rotating head (130) is rotatably coupled to a head body (140) so as to be detachably rotatably coupled thereto; a first curved surface (G1) extending from the head body (140) toward the direction of the gripping portion (300) and forming an upwardly curved first curved surface, the upper part having a first neck inclined surface (210), and the lower surface of the first neck inclined surface (210) having the first A neck portion (200) provided with a neck slope surface (210) and a second neck slope surface (220) having a different angle; and a gripping portion (300) provided with a first body surface (310) extending from the rear end of the neck portion (200) such that the first neck slope surface (210) forms a second curved surface (G2) and a second body surface (320) extending from the second neck slope surface (220) such that it forms a third curved surface (G3); wherein the first angle (A1) of the first pore (110) is provided to be inclined in the direction of a virtual centerline parallel to the longitudinal direction of the head portion (100), and the second angle (A2) of the second pore (120) is provided vertically up and down relative to the longitudinal direction of the head portion (100). Toothbrush for adjusting pressure. Claim 2 A toothbrush for adjusting gripping pressure according to claim 1, wherein the neck portion (200) proceeds from front to rear so as to absorb the pressure of the head portion (100) generated during brushing and transmit the pressure of the gripping portion (300), and the first and second neck inclined surfaces (210, 220) are sequentially arranged such that the front surface (230), the middle surface (240), and the rear surface (250) are arranged such that the cross-sectional area of ​​the front surface (230) is smaller than the cross-sectional area of ​​the rear surface (250), and the cross-sectional area of ​​the middle surface (240) is smaller than the cross-sectional area of ​​the front surface (230), and the position of the middle surface (240), which has the smallest cross-sectional area, is positioned closer to the front surface (230) at a point midway between the position of the rear surface (250) and the position of the front surface (230). Claim 3 A toothbrush for adjusting gripping pressure according to claim 2, wherein the gripping portion (300) forms a fourth and fifth curved surface (G4, G5) having a different direction of travel from the second and third curved surfaces (G2, G3) at the rear of the second and third curved surfaces (G2, G3), and the first body surface (310) and the second body surface (320) are formed of a hard resin material, and a first receiving groove (311) is formed on the upper surface of the first body surface (310) and a second receiving groove (321) is formed on the lower surface of the second body surface (320), and a first pad material (330) and a second pad material (340) made of a soft material are combined in each of the first and second receiving grooves (311, 321). Claim 4 In claim 3, a protruding coupling means (350, 360) is formed in the direction of the first and second receiving grooves (311, 321) on the first and second pad materials (330, 340), and a coupling groove (370, 380) that interferably couples with the protruding coupling means (350, 360) is formed in the first and second receiving grooves (311, 321). The protruding coupling means (350, 360) has a tapered guide surface (351, 361) formed at the tip in the direction of the coupling groove (370, 380) to facilitate insertion, and an expanded guide surface (352, 362) larger than the diameter or diagonal length of the guide surface (351, 361) is formed in the direction of the first and second pad materials (330, 340). The expanded guide surface (352, 362) is the The coupling groove (370, 380) is provided such that its cross-sectional area gradually increases as it progresses in the direction of the first and second pad materials (330, 340); the coupling groove (370, 380) is provided with a tapered coupling surface (371, 381) having a shape corresponding to the expansion guide surface (352, 362) and having a diameter or diagonal length equal to that of the expansion guide surface (352, 362), and a compression guide material (371a, 381a) protruding in the direction of the expansion guide surface (352, 362) inserted from the tapered coupling surface (371, 381) is provided; a plurality of first pad pattern lines (332) protruding in a curved manner in the direction of the head portion (100) are provided at predetermined intervals on the surface of the first pad material (330); and on the surface of the second pad material (340), the length progression of the second pad material (340) A toothbrush for adjusting gripping pressure, characterized in that a plurality of second pad pattern lines (342) perpendicular to the direction are provided at predetermined intervals, and the soft material forming the first and second pad materials (330, 340) is selected from synthetic rubber, silicone, or TPE (thermoplastic elastomer). Claim 5 A toothbrush for adjusting gripping pressure according to claim 4, wherein a protruding coupling means (350, 360) is formed in the direction of the first and second receiving grooves (311, 321) in the first and second receiving grooves (311, 321), and a coupling groove (370, 380) that interferes with and is coupled to the protruding coupling means (350, 360) is formed in the first and second receiving grooves (311, 321), wherein a flange groove (372, 382) is further formed in the first and second receiving grooves (311, 321) surrounding the coupling groove (370, 380), and a flange protrusion (331, 341) corresponding to the flange groove (372, 382) is further provided in the first and second pads (330, 340) outside the protruding coupling means (350, 360).

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