JP3115559U - toothbrush - Google Patents

Abstract

Provided is a toothbrush containing a dentifrice that makes it possible to use a commercially available dentifrice, enhances the versatility of replenishment, is compact and easy to handle, and facilitates fine adjustment of the amount of toothpaste.
In a toothbrush containing a dentifrice that can supply toothpaste in a storage chamber in a grip portion to a toothbrush portion, a pressing member is slidably fitted in the storage chamber, and a filamentous body is provided on the front side thereof. A drive shaft 18 is provided on the rear side of the hook shaft 22 for hooking the thread 35, and both ends of the thread body 35 are wound in the opposite directions by a predetermined number of times or more. Each of the portions is such that when one is wound, the other is rewound, and one side of the filament that is stretched between the hooking shaft 22 and the drive shaft 18 is fixed to the pressing member 40, and the drive shaft 18 A toothbrush in which the thread member on one side is wound by rotation to advance the pressing member so that a dentifrice can be supplied to the toothbrush portion 14, and the pressing member is retracted by rotation in the reverse direction of the drive shaft.
[Selection] Figure 1

Description

  The present invention relates to a toothbrush with a dentifrice, and in particular, relates to a toothbrush with a dentifrice that can use a commercially available toothpaste and can finely adjust the supply amount of the dentifrice.

Conventionally, as a toothbrush with a dentifrice, a dentifrice is used as a dentifrice, and a dentifrice that is pushed out by a piston without using a cartridge is used.
For example, these are toothbrushes described in JP-A-53-29851, JP-A-10-113230, JP-A-2001-57908, and the like.

  However, since the cartridge type must use a cartridge dedicated to the toothbrush, it is not easy to replenish when the toothpaste of the contents is lost, it lacks versatility, and there is a problem that the price is high, piston type However, since the rod for pushing out the piston protrudes rearward, it is not bulky and compact, and it is difficult to finely adjust the supply amount of the dentifrice.

JP-A-53-29851 JP-A-10-113230 JP 2001-57908 A

  The problem to be solved is to make it possible to use a commercially available toothpaste because it is not easy to replenish when the toothpaste of the contents is lost, lacks versatility, and increases the price. In addition, the problem to be solved with the piston type is bulky and not compact, and it is difficult to fine-tune the supply amount of toothpaste, so it is easy to fine-tune the supply amount of toothpaste by making the shape compact. It is to be.

  By the way, the inventors of the present application have conceived that the pressing member (equivalent to the piston) can be moved without using a rod while continuing various studies to solve the above-mentioned problems, and have completed the present invention. It is.

  The present invention was made against this background, and the purpose of the present invention is to increase the versatility of toothpaste replenishment by allowing the use of commercially available toothpastes, and at the same time reduce the cost of replenishing toothpastes. To provide a toothbrush with a dentifrice that can be used, and secondly, to provide a toothbrush with a dentifrice that can be compactly handled so as not to be bulky and easy to finely adjust the amount of toothpaste supplied. is there.

The present invention made to achieve the above object is configured as follows.
A toothbrush portion having a handle portion is detachably connected to one end of the grip portion, and a dentifrice storage chamber formed in the handle portion communicates with a supply path that opens into the toothbrush portion through the handle portion of the toothbrush portion. In the toothbrush that can supply a predetermined amount of toothpaste to the toothbrush portion, a pressing member for extruding the toothpaste is slidably fitted in the storage chamber, and a thread-like body is drawn on the front side of the pressing member. A drive shaft that can move the thread wound around the drive shaft itself is arranged on the rear side of the hook shaft to be hung, and one end of the thread that is hooked on the hook shaft slides near one end of the drive shaft. The other end of the filamentous body is non-slidably locked near the other end of the drive shaft, and the ends of the filamentous bodies are opposite each other near the both ends of the drive shaft. It is wound more than a certain number of times in the direction, and One side of the filamentous member stretched between the hook shaft and the drive shaft is fixed to the pressing member, and the other side of the filamentous member penetrates the pressing member in a slidable state without leakage of the dentifrice. By rotating the drive shaft in a certain direction, the thread on the side that slidably penetrates the pressing member is wound, and the pressing member advances to supply the toothpaste to the toothbrush part. And a toothbrush in which the pressing member moves backward by rotating the drive shaft in the reverse direction.
In the toothbrush described in the section A, the handle portion of the toothbrush portion and the grip portion are detachably coupled by a screw portion, or the driving shaft is inserted with both ends of the filamentous body to be locked respectively. A toothbrush that is spaced apart.
In the toothbrush according to the item A or B, the pressing member is made of rubber, and is inserted into a minute hole formed through a needle so that one end side of the thread-like body is slidably fitted in a tight fit, and a small hole with a bottom in the pressing member The other end side of the filamentous body is passed through a minute hole formed through the needle at the bottom of the small hole, and the knot-like portion provided on the filamentous body is pushed into the small hole to fix the filamentous body to the pressing member. Toothbrush.
In the toothbrush according to any one of the items A to C, the outer peripheral portion of the pressing member made of rubber is formed with a single or plural ring-shaped thin fin-shaped portions having a predetermined width, or the outer periphery. One or a plurality of relief portions having a predetermined width are formed on the portion, or one or a plurality of O-ring grooves are formed on the outer peripheral portion, and an O-ring is attached to the O-ring groove, or a pressing member is An O-ring is mounted in an O-ring groove formed of a synthetic resin and formed on the outer peripheral portion thereof, and at least one rubber portion is provided in the pressing member, and one end of the filamentous body is formed in a minute hole formed through a needle in the rubber portion. A toothbrush that can be slidably inserted into an interference-fitted side.
EA In the toothbrush according to any one of Items A to D, the filamentous body is made of vegetable fiber, animal fiber, or synthetic resin fiber alone or by twisting two or more of these fibers together. A toothbrush selected from one of a wire, a synthetic resin fishing line, a steel or stainless steel wire, or another metal wire.

  In the toothbrush with toothpaste of the present invention, the toothbrush part having a handle part can be attached to and detached from the grip part. Thus, there is an advantage that versatility increases and maintenance costs can be reduced. Further, since the pressing member can be moved through the filament by rotating the drive shaft, there are advantages that the shape is compact and easy to handle, and fine adjustment of the supply amount of toothpaste is easy.

  (1) To provide a toothbrush with a dentifrice that can increase the versatility of toothpaste replenishment by making it possible to use commercially available toothpaste, and at the same time reduce the cost of replenishing toothpaste. (2) A toothbrush having a handle for the purpose of the present invention to provide a toothbrush with a dentifrice that can be compactly handled so as not to be bulky and easy to handle and finely adjust the supply amount of toothpaste. This is achieved by a simple configuration in which the part can be attached to and detached from the grip part and the pressing member can be moved through the filament by rotating the drive shaft.

  In FIG. 1, reference numeral 10 denotes a grip portion, and a toothbrush portion 14 having a handle portion 12 is detachably attached by a screw portion. As shown in FIG. 2, an internal thread portion 13 is formed at one end of the handle portion 12, and a toothpaste supply path 15 that passes through the handle portion 12 and opens to the toothbrush portion 14 is communicated with the internal space. 8 is a chamber for dentifrice (toothpaste). In addition, a bottomed cylindrical cap 68, which will be described later, is detachably and slidably fitted to the grip portion 10 so as to cover the toothbrush portion 14, but 31 is in contact with the end of the cap 68. This is an O-ring for stopping the cap so that it does not enter further.

  As shown in FIG. 3, the grip portion 10 is formed of a cylindrical member, and a male screw portion 16 is formed at one end thereof so that the grip portion 10 can be screwed to the female screw portion 13 of the handle portion 12. In addition, a notch 20 for holding the drive shaft 18 is formed at the other position of the grip 10 at the target position of the circumference. A notch groove 24 for holding a round bar-like hook shaft 22 is formed inside the male screw portion 16.

  The grip 10 is closed by a closing member 26 shown in FIG. The closing member 26 has a circular closing portion 28 that can be fitted into the grip portion 10, and holding portions 30 that are fitted into the notch portion 20 and hold the drive shaft 18 at both ends thereof. Reference numeral 29 denotes a flange portion, which is a portion for positioning the closing portion 28.

  As shown in FIG. 5, the drive shaft 18 is provided with a knob 32 at one end of the shaft, an edge 34 for preventing the drop off at the other end, and a thread-like body wound around the drive shaft 18 at an intermediate portion thereof. A disc-shaped portion 36 for isolation is provided for separating the fishing line 35 made of synthetic resin so as not to get entangled, and small holes 38 for inserting and stopping the fishing line 36 as a thread-like body are provided on both sides thereof. ing. FIG. 6B shows a state in which the end of the fishing line 35 inserted through the small hole 38 is tied and stopped. The drive shaft 18 has the same diameter on the one side and the other side with the isolation disk-like portion 36 as a boundary. The knot 19 is shown greatly exaggerated.

A pressing member 40 is slidably fitted in the grip portion 10. The left side of the pressing member 40 in the grip portion 10 is a storage chamber 8 for storing a toothpaste (toothpaste). As shown in FIG. 6, the pressing member 40 is a rubber circular member, and a thin annular fin-like portion 47 having a predetermined width is formed on the circumference, and a small hole 42 with a bottom is formed on the side. The bottom portion is provided with a fine hole such as a needle passing therethrough. The fishing line 35 is passed through the hole, and the knot portion 44 provided in the fishing line 35 is pushed into the small hole 42 to push the fishing line 35 into the pressing member 40. It is fixed to.
At that time, the knot portion 44 may be bonded to the small hole 44 with an adhesive to improve the adhesion of the fishing line 35 to the pressing member 40. The fin-like portion 47 has an effect of reducing sliding resistance while maintaining an airtight state in the storage chamber 8. The other side of the fishing line 35 is slidably inserted into a tightly fitted state through a fine hole 46 that is passed by a needle provided on the side of the small hole 42, and when the drive shaft 18 is rotated, the pressing member 40 is moved. The fishing line 35 on the other side of the lever is relatively movable.

The action of the dentifrice in the storage chamber 8 being sent to the toothbrush portion 14 is as follows.
As shown in the schematic explanatory view of FIG. 7, the fishing line 35 wound around the drive shaft 18 has one end side 35a and the other end side 35b of the fishing line 35 respectively connected to the shaft portions 18a and 18b on the end side of the drive shaft 18. While being wound in a direction opposite to each other a predetermined number of times, an intermediate portion of the fishing line 35 is hooked on the hook shaft 22. When viewed from the side of the knob 32 in FIG. 7, the shaft 18a is wound counterclockwise and the shaft 18b is wound clockwise. Therefore, when the knob 32 is rotated in the direction of the arrow, the fishing line 35a is wound, but the fishing line 35b. Will be rewound. That is, the fishing line 35a moves to the right and the fishing line 35b moves to the left. Since the shaft portions 18a and 18b have the same diameter size, the winding amount and the rewinding amount are the same, and the movement of the fishing line 35 is smooth. In FIG. 7, since the pressing member 40 is fixed to the fishing line 35b side, the pressing member 40 moves in the same direction as the fishing line 35b, that is, in the left direction.

On the other hand, since the fishing line 35a side is slidable (relatively movable) with respect to the pressing member 40, the movement of the pressing member 40 is not hindered. Accordingly, when the knob 32 is rotated in the direction of the arrow, the pressing member 40 moves (advances) in the left direction, and the dentifrice in the storage chamber 8 is sent to the toothbrush portion 14 via the supply path 15 and the brush raised portion is opened from the opening. Sent near the base of When the knob 32 is turned in the reverse direction, the pressing member 40 moves to the right (retracts). If the direction of winding the fishing line 35 around the drive shaft 18 is reversed. The direction of movement of the pressing member 40 is reversed.
According to the present embodiment, the pressing member 40 is moved via the fishing line 35 by turning the drive shaft 18, so that fine feeding adjustment of the pressing member 40 is possible and fine adjustment of the toothpaste supply is possible.

  In the embodiment described above, the pressing member is formed with the fin-like portion 47 on the circumference, but it is also possible to use the pressing member shown in FIG. 8 instead. That is, the pressing member 50 shown in FIG. 8 (a) is provided with a relief portion 52 having a predetermined width on the circumferential portion, and the pressing member 54 shown in FIG. 8 (b) has an O-ring groove 56 on the circumferential portion. It is provided so that an O-ring can be attached, and the pressing members 50 and 54 are both made of rubber. Further, the method for fixing the fishing line to the pressing member and the method for slidably attaching the fishing line are the same as in the above embodiment. The pressing member 60 shown in FIG. 8 (C) is made of synthetic resin, and is provided with an O-ring groove 62 in the circumferential portion and fitted with an O-ring, and a rubber member 66 is fitted therein. One end side of the thread-like body (fishing line 35) can be slidably inserted in a tight fit state through a minute hole formed through a needle in the rubber member 66. The method for fixing the other side of the fishing line 35 to the pressing member is the same as in the above embodiment.

Further, in place of the fishing line 35, any one of a vegetable fiber, an animal fiber, a synthetic resin fiber, or a yarn made by twisting two or more of these fibers, or a wire made of steel or stainless steel It is also possible to use more selected filaments.
Although the embodiment of the present invention has been described above, the present invention is not limited to such an embodiment, and it is needless to say that the present invention can be carried out in various modes without changing the gist of the present invention. .

  The configuration in which the drive member of the toothbrush with toothpaste of the present invention is rotated and the pressing member (equivalent to a piston) is moved through the filamentous body can be applied to devices other than the toothbrush.

(A) and (B) are a plan view showing an embodiment of the present invention and a front view partially broken. It is a front view which shows one component of the Example. (A)-(c) is the front view which shows the other components of the Example, a left enlarged side view, and a partial expanded sectional view. (A) and (B) are a front view and a side view showing still another part of the embodiment. (A) and (b) are a front view and a usage explanatory view showing another part of the embodiment. (A) and (B) are a sectional view and a plan view showing still another part of the embodiment. It is operation | movement principle explanatory drawing of the Example. (A)-(c) is explanatory drawing which shows the Example of the other press member which can be used for the Example. (A) and (b) are a front view and a side view of still another part used in the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Grip part 12 Handle part 14 Toothbrush part 18 Drive shaft 22 Hook axis 35 Fishing line (filamentous body)
40 pressing member 44 knot portion 47 fin-like portion 50 pressing member 52 escape portion 54 pressing member 60 pressing member

Claims (5)

A toothbrush portion having a handle portion is detachably connected to one end of the grip portion, and a dentifrice storage chamber formed in the handle portion is communicated with a supply path that opens into the toothbrush portion through the handle portion of the toothbrush portion. In the toothbrush capable of supplying a predetermined amount of toothpaste to the toothbrush portion, a pressing member for extruding the toothpaste is slidably fitted in the storage chamber and a thread-like body is hooked on the front side of the pressing member. A drive shaft that can move the thread wound around the drive shaft itself is arranged on the rear side of the hook shaft, and one end of the thread hook that is hooked on the hook shaft cannot slide near the one end of the drive shaft. The other end of the filamentous body is nonslipably locked near the other end of the drive shaft, and each end side of the filament is opposite to the drive shaft near the both ends. Has been wound more than a predetermined number of times, and before One side of the thread-like body stretched between the hook shaft and the drive shaft is fixed to the pressing member, and the other side of the thread-like body penetrates the pressing member so that the dentifrice does not leak and can slide. By rotating the drive shaft in a certain direction, the thread on the side that slidably penetrates the pressing member is wound up, and the pressing member advances to supply the toothpaste to the toothbrush part. A toothbrush in which the pressing member is retracted by rotating the drive shaft in the reverse direction. The toothbrush according to claim 1, wherein the handle portion of the toothbrush portion and the grip portion are detachably coupled with each other by a screw portion, or the driving shaft is inserted with both end portions of the filamentous body to be locked respectively. A toothbrush that is spaced apart. 3. The toothbrush according to claim 1, wherein the pressing member is made of rubber and is inserted into a minute hole formed through a needle so that one end side of the thread-like body can be slidably fitted into the press member, and a bottomed small hole is formed in the pressing member. The other end side of the filamentous body is passed through a minute hole formed through a needle through the bottom of the small hole, and the knot-like portion provided on the filamentous body is pushed into the small hole to fix the filamentous body to the pressing member. toothbrush. The toothbrush according to any one of claims 1 to 3, wherein the outer peripheral portion of the pressing member made of rubber is formed with a single or plural ring-shaped thin fin-shaped portions having a predetermined width, or the outer peripheral portion. Has one or more relief portions of a predetermined width, or one or more O-ring grooves are formed on the outer periphery, and an O-ring is attached to the O-ring groove, or a pressing member is synthesized. An O-ring is mounted in an O-ring groove formed on the outer peripheral portion of the resin, and at least one rubber portion is provided in the pressing member, and one end side of the filamentous body is formed in a minute hole formed through a needle in the rubber portion. A toothbrush that can be slidably inserted into an interference fit. The toothbrush according to any one of claims 1 to 4, wherein the thread is made of vegetable fiber, animal fiber, or synthetic resin fiber alone or by twisting two or more of these fibers. Toothbrushes selected from either synthetic resin fishing lines, steel or stainless steel or other metal wires.

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