JP5758954B2 - Rotating toothbrush - Google Patents

Description

  The present invention relates to a rotating toothbrush. More specifically, the present invention can not only rotate toothpaste freely in the vertical direction or the left-right direction, but also temporarily fix the head part in which the hair of the toothbrush is implanted, The present invention relates to a rotating toothbrush that can brush teeth more stably and accurately.

  In a commonly used toothbrush, a knob portion and a head portion in which a bristle tip is implanted are formed in a single character. However, when brushing teeth with a single-shaped toothbrush, toothbrushing will be done in the left-right direction, not only the foreign matter sandwiched between the teeth will not be completely removed, but the enamel will be easily damaged and tooth diseases The main cause of.

  In order to prevent this, it is recommended to brush the teeth from the gums to the end of the teeth. However, in the case of a single-shaped toothbrush, it is difficult to move up and down structurally, so it is customarily left and right. There is a problem that toothpaste damage is basically impossible to prevent.

  On the other hand, even when brushing up and down with a single-shaped toothbrush, there is a problem that the wrist joint is easily damaged because of the large movement of the wrist joint. Therefore, the present applicant has disclosed “Rotating Brush” in Japanese Patent Registration No. 1036674 so that toothbrushing can be performed not only in the horizontal direction but also in the vertical direction. In other words, the rotary toothbrush according to the prior art is provided with a head portion in which toothbrush bristles are implanted so as to be able to rotate in the horizontal or vertical direction, and thereby it is possible to brush the teeth freely in the vertical direction or the horizontal direction. However, the rotary toothbrush according to the prior art has a problem that the head portion rotates to the left and right of a predetermined angle when brushing the teeth, and thus there is a problem that the brushing cannot be stably and accurately.

Korean Patent Registration No. 1036674

  The present invention is for solving the above-described problems, and the technical problem to be solved by the present invention is to temporarily fix the tilted head portion so as not to rotate together with the rotation of the knob portion. It is an object of the present invention to provide a rotating toothbrush that can brush teeth stably and accurately.

  As a means for achieving the above-described technical problem, the rotating toothbrush of the present invention includes a knob portion provided with a lever; an operating rod that is interlocked with the lever and linearly moves along the longitudinal direction of the knob portion; A tilting member that is coupled to the tilting guide groove of the rod and tilted so as to incline when the operating rod moves forward; a rotation shaft is rotatably fixed to the tilting member, and together with the tilting member A head portion tilted so as to be inclined and planted with toothbrush bristles; connected to the actuating rod and the rotating shaft, and when the actuating rod is moved forward, the rotating shaft is rotated; A rotation driving member for making the head portion T-shaped with respect to the knob portion; and a portion between the knob portion and the lever. Characterized in that it comprises a first fixing portion for fixing while rotating the lever in the forward or backward direction.

  The first fixing portion includes a first fixing protrusion formed on the lever, a guide groove provided on the inner side of the knob portion, in which the first fixing protrusion is movably inserted, and both ends of the guide groove. And a first fixing piece formed with a fixing groove into which the first fixing protrusion is inserted and fixed.

  The lever is provided on a lever shaft provided inside the knob portion, a lever body that rotates in the front-rear direction of the knob portion around the lever shaft, and an outer surface of the lever body. The lever main body is formed with a buffer hole, and the lever main body between the buffer hole and the press piece is formed with the first fixing protrusion.

  The push piece is detachably coupled to the lever body. A second fixing portion is provided between the operating rod and the head portion so as to be fixed in a state where the operating rod is linearly moved forward by a lever.

  The second fixing portion is provided on the inner side of the head portion with a second fixing projection formed on one side of the operating rod, and the second fixing projection is locked while moving linearly in front of the operating rod. A second fixing piece to be fixed is included.

  A clip connected to a connecting pin is inserted and connected to the rear end of the operating rod, and the clip is connected to the lever. When the lever moves in the front-rear direction, the operating rod moves in the front-rear direction. It is characterized by being moved linearly.

  A third fixing portion is provided between the clip and the knob portion to fix the clip in a state where the clip is linearly moved backward by the lever. The third fixing portion is provided on the inner side of the knob portion with a third fixing protrusion formed on one side of the clip, and is fixed while the third fixing protrusion is locked when the clip linearly moves rearward. The third fixed piece is included.

  The knob part includes a knob part body provided with a lever, and a knob part provided with the head part formed in the head. The knob part body includes a knob part, and a central part connecting the knob part and the knob part head. And a lever mounting portion provided inside the knob portion and the central portion and provided with a lever.

  A knob part cleaning hole and a rod cleaning hole are formed in the knob part and the operating rod where the rotation shaft is located, respectively. The knob part cleaning hole or the rod cleaning hole has a diameter larger than that of the rotating shaft. The knob cleaning hole or the rod cleaning hole is formed in a circle on the same vertical axis.

  The rotation driving member is formed of a rigid metal or non-metallic material. The rotation driving member is fixed by using the operating rod and a bolt of the rotating shaft.

  According to the present invention, the first, second, and third fixing portions are temporarily fixed so as not to rotate the head portion, and thereby it is possible to brush teeth stably and accurately. Moreover, the knob part in which the head part is located forms a knob part opening hole and a rod opening hole in the head, and can remove toothpaste and foreign matter of eating residue, thereby maintaining operability and cleanliness. .

It is an assembly perspective view of the rotation toothbrush which concerns on this invention. It is a side view of the rotation toothbrush which concerns on this invention. 1 is an exploded perspective view of a rotating toothbrush according to the present invention. It is the isolated enlarged view of the rotation toothbrush which concerns on this invention. FIG. 3 is an assembled enlarged view of a rotating toothbrush according to the present invention, and is a perspective view of a state in which a head of a knob portion is assembled. FIG. 3 is an enlarged view of a rotating toothbrush according to the present invention, and is a perspective view in a state where a head of a knob portion is removed. FIG. 3 is an enlarged view of a rotating toothbrush according to the present invention assembled, and is a perspective view in a state where a rod head is detached. It is sectional drawing of the rotation toothbrush which concerns on this invention. It is sectional drawing which shows the 1st and 3rd fixing | fixed part of the rotation toothbrush which concerns on this invention. It is sectional drawing which shows the 2nd fixing | fixed part of the rotation toothbrush which concerns on this invention.

  The rotating toothbrush according to the present invention includes first, second, and third fixing portions that fix the tilted head portion as the knob portion rotates, and the head portion is formed by the first, second, and third fixing portions. This prevents the rotation of the teeth and thereby improves the accuracy of tooth brushing.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings so that a person having ordinary knowledge in the technical field to which the present invention belongs can be easily implemented. However, the present invention can be embodied in a plurality of different forms and is not limited to the embodiments described here. In the drawings, parts not related to the description are omitted for clear explanation of the present invention, and like parts are denoted by like reference numerals throughout the specification.

  As shown in FIGS. 1 to 3, the rotary toothbrush according to the present invention includes a knob part 100 provided with a lever 130, a toothbrush bristle 210 planted on the bottom surface, and a head part 200 provided with a rotary shaft 220 on the top surface. The operating rod 300 that moves in a straight line along the longitudinal direction of the knob portion 100 in conjunction with the lever 130, the rotary shaft 220 is rotatably fixed, and is pressurized when the operating rod 300 is moved forward. The tilting member 400 is tilted upward along with the portion 200, and is connected to the operating rod 300 and the rotating shaft 220. When the operating rod 300 moves forward, the rotating shaft 220 is rotated to thereby rotate the head. The rotary drive member 500 includes a T-shaped portion 200 that is tilted to tilt the knob portion 100.

  The knob portion 100 is for a user to hold, and a knob portion main body 110 provided with a lever and a knob portion head 120 provided with a head portion are assembled in a separable manner. For this reason, a hook is formed on the inner surface of the rear end of the knob unit head 120 so as to protrude toward the knob unit main body 110, and the hook is engaged with the inner side surface of the knob unit main body 110 and is separably assembled. It is done.

  Here, the knob part body 110 is provided with a knob part 111, a central part 112 for connecting the knob part 111 and the knob part head 120, and a lever mounting part provided with a lever 130 provided in the knob part 111 and the central part 112. 113 is formed.

  On the other hand, the central portion 112 can be made of either a transparent or translucent material, and can be made of any one of two or more colors such as red, yellow, blue and black.

  On the other hand, the knob portion main body 110 further includes a lever mounting portion 113 in which a lever 130 is provided inside the knob portion 111 and the central portion 112. That is, the knob part body 110 can be connected to the knob part 111 and the central part 112 of various shapes and sizes on both sides of the lever mounting part 113, and a rotary toothbrush having various patterns and sizes can be realized thereon. can do.

  On the other hand, a lever 130 is provided on the knob portion main body 110 so as to be rotatable about the lever shaft 131 in the front-rear direction (longitudinal direction of the rotating toothbrush).

  The lever 111 includes a lever shaft 131 provided inside the lever mounting portion 113 of the knob portion main body 110, a lever main body 132 that rotates in the front-rear direction of the knob portion 100 around the lever shaft 131, and an outer surface of the lever main body 132. And a push piece 133 that rotates the lever main body 132 in the front-rear direction.

  Here, the push piece 133 is coupled to the outer surface of the lever main body 132 exposed to the outside of the knob portion main body 110. That is, the coupling portion 133a formed on the push piece 133 is coupled to the coupling groove 132a formed on the outer surface of the lever main body 132, and when the push piece 133 is worn or damaged by using this, the push portion 133 is pushed from the lever main body 132. If only the piece 133 is replaced, the lever 130 can be used.

  The knob head 120 has a shape surrounding a rod head of an operating rod, which will be described later.

  As shown in FIG. 4, the head unit 200 is a portion that is disposed on the knob unit head 120 and brushes teeth using the toothbrush bristles 210 that have been flocked. Toothbrush bristles 210 are planted on the bottom surface. A rotating shaft 220 is provided on the upper surface, and the rotating shaft 220 is attached to the tilting member 400 so as to be freely rotatable.

  The actuating rod 300 is coupled to the lever 130 and is provided inside the knob portion 100. The actuating rod 300 is interlocked with the lever 130 and linearly moves along the longitudinal direction of the knob portion 100. Guide 400 to tilt at a predetermined angle. That is, as shown in FIGS. 3 and 5a to 5c, the operating rod 300 is integrally coupled to the rod body 310 connected to the lever 130 so as to be interlocked with the lever 130 and to the front stage of the rod body 310. The tilting guide protrusion 410 of the tilting member 400 includes a rod head 320 formed with a tilting guide groove 322 for guiding.

  On the other hand, a clip 330 connected by a coupling pin is fitted to the rear end of the operating rod 300. When the clip 330 is connected to the lever 130 and the lever 130 moves in the front-rear direction, the operating rod 300 is interlocked. Move straight forward and backward.

  In the rod head 320, a guide groove 321 is formed on the bottom surface so as to penetrate the front of the knob portion 100, and a tilting guide groove 322 is formed on the inner walls on both sides of the guide groove 321.

  Further, the tilting guide groove 322 is formed in the inner wall of the guide groove 321 in the longitudinal direction of the knob portion 100, and is formed so as to be gradually inclined downward from one side to the other side, along the tilting guide groove 322. When the tilting guide protrusion 410 of the tilting member 400 is moved, the head unit 200 moves up and down together with the tilting member 400. At this time, while the rotation driving member 500 is fixed to the rotation shaft 220 of the head unit 200, one side of the head unit 200 is fixed so as not to move downward, and the other side moves downward, thereby tilting together with the head unit 200. The member 400 is tilted so as to be inclined at a predetermined angle.

  The tilting member 400 is inserted and supported so that the rotary shaft 220 of the head unit 200 can rotate, is inserted into the guide groove 321 of the rod head 320, and is connected to the tilting guide groove 322 on the outer walls on both sides. 410 is formed. That is, the tilting member 400 is pressurized when the operating rod 300 moves forward, and the tilting guide protrusion 410 of the tilting member 400 is tilted by a predetermined angle while moving along the tilting guide groove 322.

  The rotation driving member 500 is for rotating the head unit 200 together with the tilting member 400 and has a pin shape, and both end portions are connected and fixed to the operating rod 300 and the rotating shaft 220, respectively. Yes. That is, the rotation driving member 500 has one end 510 fixed to the operating rod 300 and the other end 520 fixed to the rotating shaft 220 so as to freely rotate.

  Accordingly, when the operating rod 300 moves forward, a force for moving the head part 200 forward is transmitted together with the tilting member 400. At this time, the head part 200 is fixed to the other end 520 of the rotation driving member 500. The head portion 200 is tilted at a predetermined angle while being pushed downward by the pressure applied by the other end 520 of the rotation driving member 500. Accordingly, the rotation driving member 500 performs a function of applying pressure so as to be tilted at the same time as the head unit 200 is rotated, and the head unit 200 is tilted with respect to the knob unit 100 by a predetermined angle. Make a letter.

  Meanwhile, the angle at which the head unit 200 is tilted with respect to the knob unit 100 is 1 ° to 30 °, and preferably has a tilting angle of 3 ° to 15 °.

  Here, the rotation driving member 500 minimizes the interference between the operating rod 300 and the rotating shaft 220 and the like, while minimizing the size of the knob portion 100 so that it is not damaged even when used for a long time. Provide with metal or non-metallic material.

  On the other hand, as shown in FIG. 6, both end portions of the rotation driving member 500 are connected and fixed to the operation rod 300 and the rotation shaft 220 using bolts. By fixing the head portion more firmly, the head portion 200 is pressed during tilting to prevent the head portion 200 from flowing in the front-rear direction when brushing the teeth. On the other hand, when the head portion 200 is strongly pressed against the teeth, the head portion 200 is weakly buffered. While preventing tooth damage. That is, when the tooth is brushed, the rotation driving member 500, which is a metal or non-metal material, prevents the flow of the head part 200 and induces stable tooth brushing. However, when the head part 200 is strongly pressed to brush the tooth, the tooth is damaged. In order to prevent this, the head unit 200 also functions as a buffer.

  In the rotary toothbrush of the present invention having such a configuration, the head rod 200 is tilted at a predetermined angle together with the tilting member 400 while the operating rod 300 moves forward when the lever 130 of the knob portion 100 is operated, while the rotation driving member 500 is rotated. Accordingly, the head unit 200 forms a T shape with respect to the knob unit 100.

  Therefore, when the teeth are brushed in a state in which the head part 200 is T-shaped with respect to the knob part 100, the toothbrush can be brushed perpendicularly to the teeth, and the wrist protection and the efficiency of tooth brushing are achieved. Can be increased. Here, as shown in FIGS. 4 and 5, the knob portion 100 and the operating rod 300 are provided with a knob portion opening hole 121 and a rod opening at a portion where the tilting member 400 having the rotation shaft 220 is located. Each hole 323 is formed.

  When brushing teeth, the knob opening hole 121 and the rod opening hole 323 have the same configuration and the same vertical axis as the knob part 100 and the operating rod 300 of the portion where the tilting member 400 provided with the rotation shaft 220 is located. It is formed. That is, the cotton swab through the knob opening hole 121 and the rod opening hole 323 when a foreign substance such as toothpaste or eating residue enters the inside of the knob head 120 including the rotating shaft 220, the operating rod 300 and the tilting member 400. Or it can be effectively removed using water pressure.

  On the other hand, the knob opening hole 121 and the rod opening hole 323 are formed in a circular shape, which increases the cleaning efficiency because there is no visual luxury and no corners. On the other hand, the rotating toothbrush of the present invention is temporarily fixed in a state where the head part 200 in which the toothbrush bristles 210 are planted is rotated to the left or right, whereby the head part is not rotated, and stable and accurate brushing can be performed.

  That is, a first fixing portion 600 is provided between the knob portion 100 and the lever 130 so as to be inserted and fixed after the lever 130 rotates forward or backward as shown in FIG. The first fixing part 600 maintains the head part 200 in a T-shaped or I-shaped form from the knob part 100. That is, the first fixing portion 600 is provided on the inner wall of the lever mounting portion 113 and the first fixing protrusion 610 formed on the lever 130, and the guide groove 621 and the guide groove into which the first fixing protrusion 610 is movably inserted. It includes first fixing pieces 620 provided at both end portions of 621 and having fixing grooves 622 in which the first fixing protrusions 621 are inserted and fixed.

  In such a first fixing portion 600, when the lever 130 is rotated in front of the knob portion 100, the first fixing protrusion 610 moves forward along the guide groove 621 together with the lever 130. At this time, the first fixing protrusion 610 is fixed while being inserted into the fixing groove 622 formed at the front end of the guide groove 621, thereby fixing the lever 130 so as not to rotate backward, thereby moving the head part 200 forward. Fix in a rotated state.

  Thereafter, when the lever 130 is strongly rotated backward, the first fixing protrusion 610 is detached from the fixing groove 622 together with the lever 130 and moves along the guide groove 621, and then fixed at the rear end of the guide groove 621. The groove 622 is fixed while being inserted again. As a result, the head unit 200 connected to the lever 130 is fixed in a rotated state. Therefore, the first fixing unit 600 can fix the lever 130 in a state where the lever 130 is rotated forward or backward, and can fix the head unit 200 in a state where the lever 130 is rotated, thereby performing stable and accurate brushing.

  On the other hand, the lever main body 132 is formed with a buffer hole 134 formed in the front-rear direction, and a first fixing protrusion 610 is formed between the buffer hole 134 and the push piece 133. That is, when the pressing piece 133 is pressed, the first fixing protrusion 610 moves upward while the lever main body 132 is pressure-bonded by the buffer hole 134, and thus the first fixing protrusion 610 fixed to the fixing groove 622 can be easily removed. Can be withdrawn.

  On the other hand, between the operating rod 300 and the head portion 200, as shown in FIG. 8, the second fixing portion is configured so that the operating rod 300 is linearly moved forward by the lever 130 and then locked and fixed. 700 is provided, and the second fixing part 700 fixes the head part 200 in a state where the head part 200 is rotated from the knob part 100 to a T-shape. That is, the second fixing part 700 is provided on the inner side of the head part 200 and the second fixing protrusion 710 formed on one side of the operating rod 300, and the second fixing protrusion 710 when the operating rod 300 linearly moves forward. Includes a second fixing piece 720 that is fixed while being locked. Therefore, the 2nd fixing | fixed part 700 fixes the 1st fixing | fixed part 600 and the head part 200 in the state rotated to T shape.

  On the other hand, between the clip 330 and the knob portion 100, as shown in FIG. 7, the third fixing portion 800 is arranged so that the clip 330 is linearly moved backward by the lever 130 and then locked and fixed. The third fixing unit 800 is provided to fix the head unit 200 in an I-shaped state from the knob unit 100. That is, the third fixing portion 800 is provided on the inner side of the knob portion 100 and the third fixing projection 810 formed on one side of the clip 330, and the third fixing projection 810 is moved when the clip 330 linearly moves backward. A third fixing piece 820 to be inserted and fixed is included. Therefore, the second fixing part 700 is fixed in a state where the head part 200 is rotated in an I shape together with the first fixing part 600.

  As described above, the first, second, and third fixing portions 600, 700, and 800 can be used to brush the teeth stably and accurately by temporarily fixing the head portion so as not to rotate.

  The scope of the present invention is defined by the following claims rather than the above detailed description, and all modifications or variations derived from the meaning and scope of the claims and the equivalent concept thereof are described in the present invention. It should be construed as being included in the scope of the invention.

DESCRIPTION OF SYMBOLS 100: Knob part 200: Head part 300: Actuation rod 400: Tilting member 500: Rotation drive member 600: 1st fixing | fixed part 700: 2nd fixing | fixed part 800: 3rd fixing | fixed part

Claims (13)

A knob provided with a lever;
An actuating rod that is interlocked with the lever and moves linearly along the longitudinal direction of the knob;
A tilting member coupled to the tilting guide groove of the actuating rod and tilted to tilt when the actuating rod moves forward;
A head portion in which a rotating shaft is rotatably fixed to the tilting member, tilted so as to be inclined with the tilting member, and toothbrush bristles are implanted;
The operating rod is connected to the rotating shaft, and the rotating shaft is rotated when the operating rod is moved forward so that the head portion forms a T-shape with respect to the knob portion. rotary driving member; and provided between the knob and the lever, viewed including a first fixing portion for fixing while rotating the lever in the forward or backward direction,
The first fixing portion includes a first fixing protrusion formed on the lever, a guide groove provided on the inner side of the knob portion, in which the first fixing protrusion is movably inserted, and both ends of the guide groove. the respectively provided, said rotary toothbrush of the first fixing piece, characterized in containing Mukoto the first fixing protrusion is a fixing groove which is fixedly inserted are formed. The lever is provided on a lever shaft provided inside the knob portion, a lever body that rotates in the front-rear direction of the knob portion around the lever shaft, and an outer surface of the lever body. Including a push piece that rotates in the direction,
The lever on the body buffering hole is formed, the rotation toothbrush according to claim 1, wherein the first fixing projection on the lever body between the buffer holes and push piece is formed. The rotary toothbrush according to claim 2 , wherein the push piece is detachably coupled to the lever body.   The rotating toothbrush according to claim 1, wherein a second fixing portion is provided between the operating rod and the head portion to fix the operating rod in a state where the operating rod is moved forward by a lever. The second fixing portion is provided on the inner side of the head portion with a second fixing projection formed on one side of the operating rod, and the second fixing projection is locked while moving linearly in front of the operating rod. The rotating toothbrush according to claim 4 , further comprising a second fixed piece to be fixed. A clip connected to a connecting pin is inserted and connected to the rear end of the operating rod,
The rotating toothbrush according to claim 1, wherein the clip is connected to the lever, and when the lever moves in the front-rear direction, the operating rod is linearly moved in the front-rear direction in conjunction with the clip. The rotating toothbrush according to claim 6 , wherein a third fixing portion is provided between the clip and the knob portion to fix the clip in a state where the clip is linearly moved backward by the lever. The third fixing portion is provided on the inner side of the knob portion with a third fixing protrusion formed on one side of the clip, and is fixed while the third fixing protrusion is locked when the clip linearly moves rearward. The rotating toothbrush according to claim 7 , further comprising a third fixed piece. The knob part is formed of a knob part body provided with a lever and a knob part head provided with the head part,
The knob part body includes the knob part, a central part connecting the knob part and the knob part head, a lever mounting part provided in the knob part and the central part, and provided with the lever. rotation toothbrush according to claim 1 or claim 8, characterized in that to form the. The rotary toothbrush according to claim 9 , wherein a knob part cleaning hole and a rod cleaning hole are formed in the knob part head and the operation rod where the rotation shaft is located, respectively. The rotating toothbrush according to claim 10 , wherein the knob cleaning hole or the rod cleaning hole has a diameter larger than that of the rotation axis. The rotary toothbrush according to claim 10 , wherein the knob cleaning hole or the rod cleaning hole is formed in a circle on the same vertical axis. The rotating toothbrush according to claim 10 , wherein the rotation driving member is formed of a metal or non-metal material having rigidity.

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