JP3873004B2 - toothbrush - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a toothbrush capable of adjusting the length of a neck part by moving a neck part attached with a toothbrushing head part into or out of a holder part, and an adjustable head part used for a toothbrush.
[0002]
[Prior art]
Conventional toothbrushes are intended only to remove dirt from the teeth, and various types are prepared for the shape of the handle, the size of the head, the rigidity of the hair implanted in the head, and the like. For example, by curving the handle, reducing the head, or changing the hardness of the hair on the head depending on the location, the optimal one can be selected according to the usage conditions such as the size of the mouth on the user side. Is what you want to choose.
[0003]
[Problems to be solved by the invention]
Toothbrushing is not just brushing teeth, but by taking into account individual differences such as individual tooth size, alignment, upper and lower meshing status, oral volume, sex, age, right-handed, left-handed, etc. The necessity is advocated because environmental maintenance of the inside is maintained. That is, the toothbrush is an oral conditioner for preparing an intraoral cleaning tool, that is, an oral environment, and should be regarded as preventing the harmful effects of the toothbrush.
From the standpoint of improving the environment in the oral cavity, it may be difficult to adapt the conventional toothbrushes. Depending on the position and location of the teeth, there is a limit to cleaning with a single brush.
Moreover, the hair | bristle bundle raised by the head part may damage a tooth | gear and a gum.
[0004]
The object of the present invention is to enable prevention of harmful effects caused by a toothbrush, and the head and other components can be divided or exchanged into parts for cleaning teeth, or arbitrary components can be adjusted for each individual user. It is an object of the present invention to provide a toothbrush that can be selected and brushed appropriately in consideration of individual differences such as different tooth arrangements.
Further, the present invention is a fully adjustable toothbrush that can be prescribed by a dentist, hygienist, technician, etc. in order to implement a preventive program by incorporating auxiliary cleaning tools and chemicals, and enables adjustment of the oral environment. Oral conditioner.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a toothbrush of the present invention is provided with a head portion in which a bristles of brushes are erected, a neck portion constituted by a cylindrical neck shaft, and a rear end of the neck portion. A cylindrical holder portion, and a part or all of each of the above portions can be adjusted, and the head portion is constituted by a plurality of divided heads, and the first head of the divided heads is the tip of the neck shaft. The head portion other than the first head can be slid independently with respect to the neck shaft, can be rotated around the neck shaft, and can be exchanged with each other. The front adjustment part is attached to the front end of the holder so as to be rotatable around the holder part, and the rear adjustment part is attached to the rear end, and the front adjustment part and the rear adjustment part provide a space outside the holder part. Then, an outer holder that can adjust the thickness, shape, and brush pressure suitable for the user is attached, and the neck shaft is passed through the front adjustment portion and stored in the holder portion, and the neck adjustment shaft is rotated by rotating the front adjustment portion. Is fixed to the holder part, and the amount of the neck shaft entering and the rotational torque are adjusted, and the outer holder is rotatably attached around the holder part by the front adjustment part and the rear adjustment part to adjust the brush pressure. Further, the present invention is characterized by having a torque adjusting function for giving an appropriate brush pressure to the user and at the same time avoiding excessive brush pressure.
Further, a cleaning member for sponge is formed on the upper surface of the head portion instead of the bristles of the brush.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a partial cross-sectional side view of a first embodiment of the present invention.
In the figure, reference numeral 10 denotes a head portion constituted by a combination of divided heads. In the present embodiment, the head portion 10 is configured by a combination of the first to third heads 11, 12, and 13 divided into three, but is not limited thereto, and is appropriately selected depending on the tooth form, the dentition state, and the like. Can be combined.
[0007]
In the present embodiment, the leading first head 11 is detachably fixed to the tip of the neck shaft 21 of the neck portion 20 by an attachment portion 11a having elasticity. A method for attaching the first head 11 will be described later. Such a configuration can also be adopted. 111 is a passage drilled inside.
Both the second head 12 and the third head 13 are independently rotatable with respect to the neck shaft 21 and are slidable and exchangeable. Therefore, the hair 90 planted in the head unit 10 strikes the tooth surface with an appropriate and appropriate force.
[0008]
Next, the neck portion will be described.
As shown in FIG. 1, the neck portion 20 has the head portion 10 disposed in front of a hollow cylindrical neck shaft 21, and an auxiliary cleaning tool such as an interdental brush 22 at the rear end.
The neck shaft 21 can be adjusted in length after entering the holder portion 30 by a front adjustment portion 32 provided at the tip of the holder portion 30 described later. Therefore, the length of the toothbrush 1 can be changed according to the size in the oral cavity, and the storage property is excellent.
[0009]
Further, since the interdental brush 22 is attached to the rear end of the neck shaft 21, the material can be saved, and since the neck shaft 21 is long, an auxiliary cleaning tool such as the interdental brush 22 can be used without contaminating fingers. It can be used in a clean state.
Further, when the interdental brush 22 is fixed to the slit 211 provided at the rear end of the neck shaft 21 as in the present embodiment, the slit 211 spreads to prevent the neck shaft 21 from being detached from the holder shaft 30. Acts as a stopper.
The neck shaft 21 is not limited to the hollow cylindrical shape of the present embodiment, and a solid body or a square shaft can be used. Further, the neck shaft 21 may be a so-called tapered shape whose thickness changes.
[0010]
Further, as shown in FIGS. 24 and 25, the interdental brush 22 may employ a configuration in which brushes 222, 222 are attached to both ends as well as one end of the holding portions 221, 221. That is, in FIG. 24, the holding part 221 is a single member and the interdental brush 222 is provided at both ends.
On the other hand, in FIG. 25, the holding portions 223 and 223 are formed of separate members, and different interdental brushes 224 are provided on the respective members and are connected by a connecting member 225.
[0011]
Next, the adjustment unit will be described. Front adjusting unit 32 of the present embodiment, housed in a holder 30 made to pass through the neck axis 21 in the front adjusting unit 32, which fixes the rear end of the neck axis 21 by rotating the front adjusting unit 32 It is.
[0012]
As shown in FIG. 1, the holder portion 30 has a cylindrical shape, can allow the neck shaft 21 to enter and rotate, and can adjust the amount of entry and the rotational torque by the front adjustment portion 32 . That is, since the length of the toothbrush 1 can be changed by adjusting the amount of entry, an appropriate brushing pressure can be transmitted to the fingers.
Further, by allowing the rotation, a user who is handicapped can change the angle of the head unit 10 without changing the position of the finger when brushing each tooth surface. Therefore, the hair of the head unit 10 can be applied to the teeth at an optimum angle.
Moreover, since it is cylindrical, internal cleaning is easy, and it can always be kept clean. Further, the cylindrical shape is not limited to a straight line, and may be a curved shape. Furthermore, any cylindrical shape such as an ellipse, a polygon, and an indefinite shape can be used.
[0013]
Next, the operation of the present embodiment will be described.
When using the toothbrush 1 of the said embodiment, the length of the neck part 20 may be adjusted with the front adjustment part 32 , and the tooth | gear 100 should just be brushed with the holder part 30. FIG.
At this time, as shown in FIG. 26A, by sliding the second head 12 and the third head 13 and shifting the positions, the first head 11 functionally transmits the user's will most. I can work.
[0014]
Similarly, since the second head 12 and the third head 13 can be moved to appropriate positions, the distance between the three heads can be freely set as shown in FIG. It is possible to obtain an optimal change in the shape of the head portion 10 with a single toothbrush.
Therefore, it is possible to easily and accurately adjust the individual correspondence with a toothbrush having a simple configuration, and it is possible to effectively prevent diseases in the teeth and the oral cavity by brushing by simple movement.
Further, when a chemical solution or the like is stored in the hollow portion in the neck shaft 21, it passes through the passage 111 of the first head 11 and comes out to the brush surface.
[0015]
The effect of the first embodiment is that the head unit 10 is divided into the first head 11, the second head 12, and the third head 13, so that the head unit 10 can move independently and can be adjusted. Further, the brush tips are averagely and accurately applied to the uneven portions of the teeth which are adapted to each part of the teeth by rotation and contact with the tips of the individual teeth of the user that change according to the arrangement of the teeth.
The head portion 10 can appropriately cope with various tooth surfaces and tooth forms in the oral cavity with a single toothbrush by quantitative adjustment such as sliding and turning, deformation of the constituent members, deflection, and the like.
Moreover, since each division | segmentation head 11, 12, 13 can be replaced | exchanged easily, the thickness, number, and hardness of the hair 90 of the toothbrush 1 can be changed according to each user's individual characteristic, and also a dentist It can be used in accordance with the purpose of the toothbrush supply side, and has an economical effect and an energy saving effect.
[0016]
In addition, since the inside of the neck portion 20 and the holder portion 30 is hollow, it is possible to select an appropriate center of gravity position as an action point by putting a weight or the like inside or changing the length of the neck shaft 21. And because it is light, it can be polished for a long time.
Moreover, since two types of chemical solutions and auxiliary cleaning tools can be used, it can be used in all oral environments.
Furthermore, due to the relationship between the neck shaft 21 and the front adjustment portion 32 , the head portion 10 is caused to rotate due to excessive force during brushing, and hypersensitivity and wedge-like defects can be prevented. That is, in the conventional toothbrush, if the brush is strongly polished to remove the dirt on the tooth surface, the tooth surface is damaged, which causes adverse effects such as hypersensitivity and wedge-shaped defects.
Therefore, although it is required to polish with an appropriate force along the tooth surface, according to the toothbrush 1 of the present embodiment, it is avoided that an extra force is applied to the tooth 100 due to the rotation of the divided heads 11, 12, 13. Therefore, the hair enters every corner of the teeth with an appropriate force, so that not only can the teeth be cleaned, but also the brushing comfort is good, and the above-mentioned adverse effects can be prevented.
[0017]
Next, based on FIG. 2 thru | or FIG. 4, the structure which attaches a 1st head to the front-end | tip of a neck part is demonstrated.
In FIG. 2, the attachment portion 11 a is a screw member configured at the base end of the first head 11, and this is screwed into the tip end of the neck shaft 21.
In FIG. 3, the attachment portion 21 a is a screw member configured at the tip of the neck shaft 21, and this is screwed into the first head 11.
In FIG. 4, the attachment portion 21 b is a spring member configured at the tip of the neck shaft 21, and this is engaged with the first head 11.
[0018]
Next, a fixing means that is slidable with respect to the neck shaft 21 of the second head 12 and the third head 13 will be described with reference to FIGS. Although the second head will be described in the figure, the same applies to the third head 13.
[0019]
The fixing means shown in FIG. 5 has a ring-shaped silicon rubber 103 fixed inside the second head 12 fitted in a concave groove 101 provided around the neck shaft 21, and the second tightening force of the silicon rubber 103 is used to The head 12 is fixed.
[0020]
The fixing means shown in FIG. 6 fits and fixes the pivot 121 at the tip of the spring member 120 fixed to the upper part and the lower part inside the second head 12 to the concave part 121 a formed in the neck shaft 21. .
[0021]
The fixing means shown in FIG. 7 fixes the second head 12 having slits 122 formed on the upper surface and the lower surface to the neck shaft 21.
[0022]
Next, the fixing means formed on the neck shaft 21 is shown in FIGS. The fixing means shown in FIG. 8 fits a ring-shaped silicon rubber 123 wound around the neck shaft 21 into a concave groove 124 provided in the inner periphery of the second head 12, and uses the elastic force of the silicon rubber 123. It is to be fixed.
[0023]
The fixing means shown in FIG. 9 is for fitting and fixing the pivot 126 at the tip of the spring member 125 fixed to the inner upper surface of the neck shaft 21 to the recess 127 formed in the second head 12.
[0024]
The fixing means shown in FIG. 10 has slits 128 formed on the upper surface and the lower surface, and these slits 128 are fitted into and fixed to the recesses 129 formed in the second head 12.
[0025]
The fixing means shown in FIG. 11 has a slit 180 formed in the second head 12 and fixes the second head 12 to the neck shaft 21 by tightening the head itself.
[0026]
12 and 13 are diagrams showing a method of fixing using a magnet. That is, in FIG. 12, the magnet 200 is disposed in the shaft wall or the shaft of the neck shaft 21 main body, the magnetic body 201 is disposed in the second head 12, and the second head 12 is fixed to the neck shaft 21.
[0027]
On the other hand, FIG. 13 shows a configuration in which the magnetic body 201 is disposed in the shaft wall of the neck shaft 21 or in the shaft, the magnet 200 is disposed in the second head 12, and the second head 12 is fixed to the neck shaft 21. is there.
[0028]
Next, another example of the adjusting unit will be described with reference to FIGS.
The front adjustment portion 62 shown in FIG. 14 is to fix the male screw portion 521 provided on the neck shaft 52 by screwing to the female screw portion 621 provided in the front adjustment portion 62.
The front adjustment portion 63 shown in FIG. 15 is for fixing the male screw portion 531 provided on the neck shaft 53 by screwing the female screw portion 632 provided in the front adjustment portion 63 at the tip of the holder portion 631. The female screw portion 632 and the male screw portion 531 are tapered and open toward the rear (rightward in the figure).
16 is constituted by a hook 64 provided at the tip of the holder portion 641, and the tip 642 of the hook 64 is engaged and fixed in holes 541, 541,. is there.
17 is constituted by a locking tool 65 provided at the inner tip of the holder portion 651, and the locking portions 552, 552,... Formed integrally with a groove 551 provided at the upper center of the neck shaft 55 are described above. The locking tool 65 is engaged and fixed.
[0029]
Next, the fixing means for the first head, the second head, and the third head will be described with reference to FIGS.
In the configuration shown in FIG. 18, a stopper 81 is integrally provided at the tip of the neck shaft 71.
In FIG. 19, a stopper 72 is screwed into a threaded portion 72 a at the tip of the neck shaft 72.
In FIG. 20, the first head 11, the second head 12, and the third head 13 are each fixed by fitting a locking body 75.
In FIG. 21, each of the first head 11, the second head 12, and the third head 13 is fixed by fitting a magnet 76.
In FIG. 22, each of the first head 11, the second head 12, and the third head 13 is fixed by fitting screws 77.
In FIG. 23, each of the first head 781, the second head 782, and the third head 783 whose upper portions are flattened is fitted and fixed inside the fixing portion 78 at the tip of the neck shaft 21. .
[0030]
The holder portion 30 is a linear or curved, circular or square cylinder, and includes a front adjustment portion 32 at the tip to fix the neck portion 21. A rear adjustment portion 41 is provided at the rear end, and serves as a stopper at the rear end of the neck shaft 21 when the cleaning aid is prevented from falling off and when the second head 12 and the third head 13 are slid.
[0031]
By attaching the outer holder 40 to the holder portion 30, the thickness or shape and brush pressure adjustment suitable for each individual can be performed. Furthermore, information such as characters and graphics written on the holder unit 30 is protected.
That is, the rear adjustment portion 41 of the rear end of the outer holder 40 outside the standard holder 30 mounted appropriately adjusted with this rear adjusting unit 41.
[0032]
As another example of the outer holder 40, the one shown in FIG. 27 can be used. Its shape is a curved gripping portion 452 provided with a bifurcated front support portion 451 that clamps and fixes the front adjustment portion 32 at the tip, and a ring-shaped rear support is provided at the rear end of the gripping portion 452. A portion 453 is formed, and a pressing portion 454 extending forward through the portion 453 is formed.
[0033]
When mounting on the holder part 30 in use, the rear adjustment part 41 is passed and the front support part 451 is fixed to the front adjustment part 32 . At the same time, the rear support portion 453 is fixed to the rear rear adjustment portion 41 .
At the time of use, the holder part 30 can be fixed by gripping the grip part 452 and the pressing part 454. This is because the gripping portion 452 extends and the front support portion 451 and the rear support portion 453 stretch and fix the front adjustment portion 32 and the rear adjustment portion 41 .
[0034]
The second embodiment shown in FIG. 28 shows an example of multi-axis. The neck shaft is nested in a triple structure. First, the first head 311 is fixed to the tip of the neck shaft 321, the neck shaft 322 is fixed to the second head 312, and the third head 313 is fixed to the tip of the neck shaft 323.
Further, the neck shaft 322 does not necessarily need to cover the entire circumference of the neck shaft 211, and the same applies to the neck shaft 323.
[0035]
FIG. 29 shows another example of the second embodiment. This has a hollow neck shaft. First, the first head 331 is fixed to the tip of the inner neck shaft 339, the center neck shaft 334 is fixed to the second head 332, and the third head 333 is fixed to the tip of the outer neck shaft 335. It becomes.
[0036]
Furthermore, as another example of the multi-axis of the neck shaft 21, as shown in FIG. 30, each of the divided heads 351, 352, and 353 can be fixed using three shafts 341. In this case, the first head 351 is fixed to the tips of the three shafts 341. The second head 352 and the third head 353 slide relative to the shaft 341, respectively. Then, the divided heads 352 and 353 can be rotated by deformation of the three shafts 341, that is, twisting.
[0037]
FIG. 31A shows a rectangular parallelepiped sponge body 901 as a sponge-like cleaning member instead of the hair 90 planted in the head portion 10.
FIG. 31B shows a case where the head unit 10 of FIG. 31A is a divided head.
According to this example, since the surface of the sponge body 901 contacts the teeth and gums in a surface contact state, the stimulation is less than in the case of the hair 90, and the degree of damage to the teeth and gums is reduced, and the contact area is further increased. It is more efficient.
[0038]
The sponge-like cleaning member refers to a member intended for cleaning or a massage effect. And it is made of artificial materials such as elastic or inelastic polymer materials, or natural materials, and a sponge body having a large number of small holes or a material such as silicon is cut to form a collection of fine linear bodies. It can be seen as a lump.
Such a cleaning member does not irritate more than necessary because it comes into contact with the teeth at an appropriate pressure, and can reach details in the oral cavity due to a flexible material.
[0039]
The example shown in FIG. 32 is also an example of a sponge-like cleaning member. As described above, the sponge body 901 is cut, and the sponge body 901 is divided at an appropriate interval to form a set of a large number of sponge bundles 902. It is. According to this, each sponge bundle 902, 902... Can follow more accurately in accordance with the shape and unevenness of the teeth and gums, and the cleaning effect is improved.
[0040]
FIG. 33 shows a dense body 909 formed by densely planting thin fibers in the head unit 10 in place of the flocked hair 90. According to this example, since the surface of the dense body 909 is densely packed with thin fibers without gaps, the teeth and gums are in contact with the surface in a surface contact state, and the degree of irritation is less than that of the hair 90 and the teeth and gums are damaged. Less. The dense body 909 may be planted by gathering ultrafine fibers densely on the upper surface of the head portion 10, and a rectangular parallelepiped material is fixed on the upper surface of the head portion 10, and this is cut into the fibers from above. It can also be a dense state.
[0041]
【The invention's effect】
Since the toothbrush of the present invention has the above-described configuration and operation, the following effects can be obtained as an oral condition controller.
It is possible to consolidate toothbrushes suitable for maintaining the characteristics of the oral cavity of the user's individual or the oral environment, and to perform cleaning that is optimal for the oral environment of the user. Can be prevented. Moreover, the toothbrush convenient for carrying can be obtained by elasticity.
Economic effect and energy saving effect by exchanging only each part.
Since each part can be exchanged, the color, shape, change, etc. can be matched to individual preference, and the user's interest level, motivation for cleaning / consciousness can be improved. It is possible to implement a prevention program on the part of the surgeon.
Since the head is divided and becomes a functional part, a stable part, and a sensory part, not only cleaning ability but also sensory adjustment can be performed.
Since each part can be disassembled and sterilized, it can be kept clean, and the user's habits, power, etc. can be determined by the wear of each part. Further, when a sponge body provided on the upper surface or a thin fiber densely planted is used as the tooth cleaning portion of the head portion, it is possible to effectively prevent the teeth and the dental appliance from being damaged.
[Brief description of the drawings]
FIG. 1 is a partially sectional side view of a first embodiment of the present invention. FIG. 2 is a partially sectional side view of another example of a configuration in which a first head is attached to the tip of a neck portion. FIG. 4 is a partial cross-sectional side view of another example of the configuration for attaching to the tip of the head portion. FIG. 4 is a partial cross-sectional side view of the other example of the configuration for attaching the first head to the tip of the neck portion. FIG. 6 is a partially enlarged sectional side view of the fixing means for the neck shaft of the second head and the third head. FIG. 7 is a partially enlarged sectional side view of the fixing means for the neck shaft of the second head and the third head. FIG. 8 is a partially enlarged sectional side view of the fixing means with respect to the shaft. FIG. 9 is a partially enlarged sectional side view of the fixing means with respect to the neck shaft of the second head and the third head. Partially enlarged cross-sectional side view of the fixing means [FIG. 10] Second head and third FIG. 11 is a partially enlarged cross-sectional side view of the fixing means for the neck shaft of the head. FIG. 11 is a perspective view of the fixing means for the neck shaft of the second head and the third head. FIG. 13 is a partially enlarged sectional side view of the fixing means for the second head and the third head with respect to the neck shaft. FIG. 14 is a partially sectional side view of another example of the front adjustment portion . 15] partially sectional side view of another example of the front adjusting unit [16] partially sectional side view of another example of the front adjusting unit 17] other examples partial plan of view of the front adjusting unit [18] first FIG. 19 is a partial sectional plan view of the fixing means for the head, the second head, and the third head. FIG. 19 is a partial sectional plan view of the first head, the second head, and the third head fixing means. FIG. 21 is a plan view of fixing means for the second head and the third head. FIG. Cross-sectional plan view of the fixing means for the second head and the third head. FIG. 22 is a cross-sectional plan view of the fixing means for the first head, the second head, and the third head. [FIG. 24] Front view of another example of the interdental brush [FIG. 25] Front view of another example of the interdental brush [FIG. 26] Explanatory drawing of the usage state [FIG. 27] Outer FIG. 28 is a partial cross-sectional side view of the second embodiment of the present invention. FIG. 29 shows another example of the second embodiment of the present invention, and FIG. A sectional side view, (b) is a sectional view taken along line AA of (a). FIG. 30 shows another example of the second embodiment of the present invention, (a) is a partial side view, (b) is ( a) BB sectional view of a) [FIG. 31] Perspective view of the head part with the sponge body formed on the upper surface [FIG. 32] Head with the sponge body formed on the upper surface Perspective view of the parts Figure 33 is a perspective view of the head portion forming a thin fiber dense body to the upper surface [Description of symbols]
DESCRIPTION OF SYMBOLS 1 Toothbrush 10 Head part 11 1st head 12 2nd head 13 3rd head 20 Neck part 21 Neck axis 30 Holder part 32 Front adjustment part 40 Outer holder 41 Back adjustment part 90 Bristle 100 Teeth 901 Sponge body 902 Sponge bundle

Claims (2)

A head part in which a bristles of brushes are erected, a neck part in which the head part is constituted by a cylindrical neck shaft, and a cylindrical holder part attached to the rear end of the neck part. Or everything is adjustable,
The head portion is composed of a plurality of divided heads, and the first head of the divided heads is detachably fixed to the tip of the neck shaft,
The heads other than the first head can be slid independently with respect to the neck shaft, can be rotated around the neck shaft, and can be exchanged with each other.
A front adjustment part is attached to the front end of the holder part so as to be rotatable around the holder part, and a rear adjustment part is attached to the rear end, and the front adjustment part and the rear adjustment part provide a space outside the holder part. Then, attach the outer holder that can adjust the thickness and shape and brush pressure suitable for the user,
The front adjustment part passes through the neck shaft and is accommodated in the holder part, and the front adjustment part is rotated to fix the neck axis to the holder part, and the amount of the neck shaft entered and the rotational torque are adjusted to adjust the front adjustment. A torque adjustment function that provides an appropriate brush pressure to the user and at the same time avoids excessive brush pressure by attaching the outer holder so that the outer holder can be rotated around the holder portion by the rear portion and the rear adjustment portion. A toothbrush characterized by having.   The toothbrush according to claim 1, wherein a sponge cleaning member is formed on the upper surface of the head portion instead of the bristle bundle of the brush.

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