JP2003019033A - Automatic liquid dentifrice coating application type toothbrush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toothbrush which enables a person capable of using just one hand and requiring care to easily apply a liquid dentifrice to the tooth brush in polishing the teeth and can reduce the burden of a helper. SOLUTION: The toothbrush which enables the person requiring the care himself or herself to draw up the liquid dentifrice under a pumping effect by operating the toothbrush to thrust the handle of the toothbrush and to automatically apply the liquid dentifrice to bristles when polishing the teeth is developed. Accordingly, the person capable of using just one hand and requiring care is able to polish the tooth by himself or herself and the burden of the helper can be reduced.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush with automatic application of a toothpaste, and more particularly, to a disabled person who has one hand inconvenience due to illness, injury or accident. The present invention relates to a toothbrush automatic application type toothbrush in which a person requiring care can easily apply a toothpaste to the brush portion of the toothbrush with one hand. [0002] Conventionally, there are various types of toothbrushes. For example, there are various types such as ones used in daily homes, portable ones used for traveling, and foldable ones. [0003] However, since the toothbrush and the toothpaste are made of different products, it is not inconvenient for a normal person to apply the toothbrush to the toothbrush. However, it is impossible for a care recipient who can use only one hand to apply the toothpaste to the toothbrush. For this reason, at present, caregivers apply toothpaste to toothbrushes. Therefore, there has been a problem that the financial burden on the care-requiring person for employing the care-giver is greatly increased. SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and the gist of the present invention is to press a finger holding a handle handle case of a toothbrush. With a toothbrush configured to pump up the toothpaste contained in the handle handle case and apply it to the brush, even one care-requiring person who has become unable to use one hand due to illness, injury, or accident A toothbrush automatic application type toothbrush characterized in that it can be brushed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a toothbrush for automatically applying a dentifrice according to the present invention will be described in detail below with reference to the drawings. (First Embodiment) FIG. 1 is a longitudinal sectional view of a toothbrush 1 of the present invention, in which a toothpaste 12 is contained in a handle handle case 2 of the toothbrush. Shows a state in which application to the brush portion 8 can be automatically performed. FIG. 2 is a longitudinal sectional view showing a state in which the brushing liquid 12 in the handle handle case 2 is sent to the brush part 8 and applied by the action of the pump from a state where the brushing liquid 12 can be automatically applied to the brush part 8. FIG. Although the structure of the toothbrush of the present invention in the case of using a toothpaste has been described, even a more viscous toothpaste can be used as long as the pump is provided with a backflow prevention. This description is described below as a weakly viscous liquid toothpaste. The grip handle case 2, the cylinder 5, the piston 4 and the tube 1 inserted in the grip handle case 2.
The handle 3 of the toothbrush is made of a hard synthetic resin material, is engaged with each other, is connected, and is integrally formed. The tube 10 in the handle handle case 2
The effect does not change with either a hard synthetic resin or a soft synthetic resin, but the lower end of the tube 10 must always be inserted at a position leaving a gap of 1 to 2 mm from the lower surface of the handle handle case 2. The spring 6 in the cylinder 5 is a pressing spring 6 made of stainless steel, which always contacts the lower surface of the piston 4 and keeps the function of pushing upward. The handle 3 of the toothbrush inserted into the handle handle case 2 is inserted with a hard synthetic resin, and has a push switch portion 7, a brush portion 8, and a cavity 11b for introducing a toothpaste solution 12. And a hole 9 through which an appropriate amount of the toothpaste 12 flows out of the brush portion 8. Of course, the brush portion 8 can be hardened or softened, depending on the preference of the care recipient. The outflow path of the toothpaste 12 from the state in which the push switch 7 in FIG. 2 is pressed will be described. When the push switch unit 7 provided on the handle 3 of the toothbrush is pressed downward, the piston 4 locked at the lower part of the handle 3 of the toothbrush is pushed, and the piston 4 is pushed by the amount pressed in the cylinder 5. 4
Operates. The spring 6 engaged with the lower part of the piston 4 is also pushed in at the same time, but when the pushing force of the push switch part 7 is released, the piston 4 and the push switch part 7 are returned to the original positions by the repulsive action of the spring 6. work. Therefore, when the push switch portion 7 is repeatedly pushed twice or three times, the toothpaste 12 is compressed, and the cavity 1 of the piston 4 is removed from the tube 10.
1a, and rises and reaches the cavity 11b of the handle 3 of the toothbrush. Then, when the push switch portion 7 is further pressed, several holes 9 drilled at the root of the brush portion 8 of the toothbrush handle 3 are formed.
Thus, an appropriate amount of the toothpaste 12 flows out and is applied. (Second Embodiment) A second embodiment shows the tabletop type of the first embodiment, and shows a structure that can be used by many care recipients in hospitals and facilities. FIG. 3 is an explanatory cross-sectional view of a toothbrush handed to each care recipient, and FIG. 4 is a toothpaste cylinder for automatically applying the toothpaste of the present invention installed in a washroom such as a hospital or facility. It is sectional explanatory drawing. In the description of the present invention, a non-flammable accumulated gas dentifrice cylinder is used. However, the effect is not changed by a manual pump type as in the first embodiment, and the method of use is the same. Therefore, a non-flammable accumulated gas toothpaste cylinder will be described below. In FIG. 3, the handle 13 of the toothbrush of the present invention is shown.
The toothbrush handle 13 of the present invention has a non-slip 17 also serving as a grip, and a passage for delivering the toothpaste 20 to the brush portion 14, although there is no difference in appearance from a general commercially available appearance. Insertion hole 18, cavity 16, hole 15
Is provided. The handle 13 of the toothbrush is made of a hard synthetic resin, and has a structure that does not easily deform. Next, the structure of the toothpaste cylinder 19 shown in FIG. 4 will be described in detail. The toothpaste cylinder 19 is formed of a pressure-resistant steel cylindrical tube and has a non-combustible accumulated gas 21 therein.
, The toothpaste 20 is filled. The mechanism for injecting the toothpaste 20 includes a piston 22, a spring 23, a spring case 24, a tube 25, and the like.
An O-ring shaped seal rubber 26 plays a role. The spring 23 is made of a stainless steel pressing spring, but the other components such as the piston 22, the spring case 24, and the tube 25 may be made of steel or hard synthetic resin. 3 and 4, the structure of the toothbrush to which the toothpaste can be automatically applied will be described in detail with reference to the flow path of the toothpaste 20. FIG. In FIG. 3, when the care-requirer squeezes the non-slip 17 of the handle 13 of the toothbrush with a dominant hand having a secure gripping force, the hand may be hand-in-hand or hand-in-hand. The insertion opening 18 inserted in the lower part of the handle 13 of the toothbrush is pressed against the opening of the piston 22 in FIG. When the toothbrush handle 13 is securely inserted, the handle 13 of the toothbrush stands up with the slipper 17 held by the care-requiring person. Then, when the care-requiring person inserts the toothbrush handle 13 that has been securely erected downward two to three times, the piston 22 is driven downward and the toothpaste cylinder 19 is moved downward.
Is a hollow 28 inserted in the center of the piston 22 and a hole 2
7 can be sent out. Normally, the toothpaste cylinder 19 comprises the piston 2
2 and seal rubber 26, but the piston 22
Is driven downward, so that the accumulated toothpaste 20
Is filled in the spring case 24 via the tube 25. Hole 2 of piston 22 opened from seal rubber 26
After passing through the cavity 7 and the cavity 28, the toothpaste 20 flows into the insertion opening 18 of the handle 13 of the toothbrush. Also, by loosening the downward pressing force of the toothbrush handle 13, the seal rubber 26 of the piston 22 is pressed against the restoring force of the spring 23 to block the outflow of the accumulated toothpaste 20. Is possible. The toothpaste 20 that has flowed into the insertion opening 18 of the toothbrush handle 13 is filled with the cavity 1 inserted in the toothbrush handle 13.
6 and reach several holes 15 formed in the brush part 14, and an appropriate amount of the toothpaste 20 flows out and is applied. By repeating several times as needed, it is possible to adjust the optimal amount of the care-requiring person himself. The toothbrush of the present invention can press a non-flammable gas pressure accumulating type toothpaste cylinder with a toothbrush handle as well as a care-requiring person who can press a push switch at a portion where one thumb touches. It can be used freely even for those who need care and can provide the pleasure of brushing alone, including rehabilitation, and can greatly reduce the burden on the caregiver. The toothbrush of the present invention is convenient even when a healthy person has a broken arm or the like and the arm is fixed and treated with a cast.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a structural longitudinal sectional view showing a first embodiment of the present invention, a toothbrush 1 capable of automatically applying a toothpaste by the action of a pump. FIG. 2 is a structural explanatory view showing a toothbrush 1 according to a first embodiment of the present invention, to which a toothpaste can be automatically applied by the action of a pump, showing a state where the toothpaste is pushed out. FIG. 3 is a structural sectional view showing a toothbrush capable of automatically applying a dentifrice by utilizing the action of a pressure accumulating cylinder according to a second embodiment of the present invention. FIG. 4 is a sectional view showing the structure of a pressure accumulator cylinder of a toothbrush capable of automatically applying a toothpaste by utilizing the operation of a pressure accumulator cylinder according to a second embodiment of the present invention. 1 Toothbrush 2 Handle handle case 3 Toothbrush handle 4 Piston 5 Cylinder 6 Spring 7 Push switch section 8 Brush section 9 Hole 10 Tube 11a Cavity 11b Cavity 12 Toothpaste 13 Toothbrush handle 14 Brush section 15 Hole 16 Cavity 17 Slip stopper 18 Insertion port 19 Toothpaste cylinder 20 Toothpaste 21 Accumulated gas 22 Piston 23 Spring 24 Spring case 25 Tube 26 Seal rubber 27 Hole 28 Cavity

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Kazuichi Tamura             18-2 Higashiobori, Kagiya-cho, Tokai-shi, Aichi             Citta Kagiya 123 Building A 701 F term (reference) 3B202 AA06 AB15 CA07 CA10 DB01                       FA03 FA05

Claims (1)

Claims: 1. A toothbrush contained in a grip handle case is pumped up by a finger pressing a grip handle case of a toothbrush and applied to a brush portion. An automatic toothpaste-applied toothbrush characterized in that a caregiver who has become unable to use one hand due to illness, injury or accident with a toothbrush can brush alone.