JP6737739B2 - On-tank type chemical supply device - Google Patents

Description

The present invention relates to an on-tank type chemical liquid supply device which is installed on a water storage tank of a flush toilet and causes a liquid containing a liquid agent together with flushing water to flow out to the water storage tank.

Conventionally, the on-tank toilet fragrance cleaning equipment that is used by placing it on the lid of the water storage tank of a flush toilet is used to flush solid water containing fragrance and cleaning components with flushing water to elute the fragrance and cleaning components. The main method was to supply the liquid to the water storage tank.

Various on-tank type chemical liquid supply devices provided with a storage container storing a liquid agent containing a high concentration of an aromatic component or a cleaning component instead of such a solid substance have been proposed.

Patent Document 1 discloses an on-tank type drug supply container for the purpose of significantly increasing the amount of volatilization of fragrance and the like and also expanding the range of volatilization of fragrance and the like.
An on-tank type chemical supply container to be used by being mounted on a water tank with a faucet for hand-washing of a flush toilet, wherein the water in the water tank is discharged to inject air from the outside into the water tank and supply water. A chemical volatilization/storage member that is exposed to the airflow flowing from the inside of the water storage tank to the outside at this time is provided on the bottom surface of the chemical supply container.

Patent Document 2 discloses a chemical supply tool for flush toilets for the purpose of dissolving the chemical in an appropriate amount while sufficiently volatilizing the chemical into the surrounding space without falling or displacement.
In this chemical supply tool for flush toilets, once the chemical container is set in the main body of the supply tool, the long legs are loosely fitted into the holes in the upper lid of the storage tank of the flush tank type flush toilet, so that the chemical supply tool for flush toilets Is in use. In this usage state, the drug impregnated in the impregnated body is volatilized to the outside freely from the main body of the supply tool having an open upper part. When the water from the water discharge tap flows along the surface of the tank water tank upper lid, it flows into the supply tool main body from the inflow opening, dissolves the drug impregnated in the impregnating body, and flows out the opening. It also flows out from the circular hole, flows down into the water storage tank, and is stored in the water storage tank.

Patent Document 3 discloses the device together with a liquid agent for an on-tank toilet aroma cleaning device for the purpose of stably exhibiting the aroma effect and the cleaning effect for a long period of time.
A liquid agent used for an on-tank toilet aroma cleaning device that guides the liquid agent in a storage container to a liquid reservoir and supplies flushing water to the liquid reservoir to cause a liquid containing the liquid to flow into a water storage tank. The viscosity is adjusted so that the amount of liquid introduced from the storage container to the liquid reservoir is a predetermined amount.

JP, 2002-309651, A JP, 2002-327480, A JP, 2003-52802, A

According to the devices disclosed in Patent Documents 1 and 3, even when the device is used in an appropriate posture, the chemical liquid discharged from the device can sufficiently evaporate the scent into the toilet space due to the structural reason of the device. It is still difficult and its performance has not yet reached a satisfactory level. According to the device disclosed in Patent Document 2, when the chemical liquid device tilts due to drainage operation or the like, the chemical liquid discharge amount becomes incorrect, and it is difficult to exert the original cleaning function.

The present invention relates to an on-tank type chemical liquid supply device capable of efficiently storing a liquid medicine for cleaning a toilet bowl of a flush toilet and efficiently cleaning the flush toilet.

The on-tank type chemical liquid supply device of the present invention is an on-tank type chemical liquid supply device that can be installed on a water storage tank of a flush toilet, and supports a drug container capable of containing a liquid drug and the drug container, and the drug container. A storage part capable of storing the liquid medicine supplied from the base, and a pedestal having a mounting part to be attached to a water storage tank, wherein the storage part has a bottom surface, a side wall rising from an edge of the bottom surface, and the side surface in plan view. An extension member extending from the bottom surface closer to the center than the side wall, and at least one surface extending from the bottom surface of the extension member is processed into an uneven surface including fine unevenness capable of storing the liquid drug. There is.

In the on-tank type chemical liquid supply device of the present invention, the liquid medicine storage portion has a predetermined concave-convex shape and an extended member, and can effectively store the liquid medicine.

The whole structure of the on-tank type|mold chemical liquid supply apparatus of one Embodiment of this invention is shown, (a) is the perspective view seen from the upper part, (b) is the perspective view seen from the lower part. FIG. 3 is an exploded perspective view of the on-tank type chemical liquid supply device according to the embodiment. The base used for the on-tank type chemical|medical solution supply apparatus of embodiment is shown, (a) is sectional drawing, (b) is a top view. 3A is an enlarged view of a portion A of FIG. 3B, and FIG. 3B is an enlarged view of a portion B of FIG. 3B.

Hereinafter, preferred embodiments of an on-tank type chemical liquid supply device according to the present invention will be described in detail with reference to FIGS. 1 to 4.

1A and 1B show the overall configuration of an embodiment of an on-tank type chemical liquid supply device according to the present invention. FIG. 1A is a perspective view seen from above, and FIG. 1B is a perspective view seen from below. Showing. The on-tank type chemical solution supply device 1 can be installed on a water storage tank of a flush toilet (not shown), and in the state of being installed on the water storage tank, liquid chemicals are flushed to the toilet bowl together with flushing water to remove the toilet bowl. Plays the function of cleaning.

FIG. 2 is an exploded perspective view of the on-tank type chemical liquid supply device 1 according to the embodiment. The on-tank type chemical solution supply device 1 includes a cover member 10, a drug container 20, and a pedestal 30.

The chemical|medical agent container 20 has a substantially cylindrical outer shape, and accommodates the liquid chemical|medical agent which contains an aromatic, a cleaning agent, etc. as an active ingredient. The medicine container 20 is made of, for example, a transparent resin so that the amount of the contained liquid medicine can be visually observed, but the material and shape thereof are not particularly limited. In the present embodiment, an inner plug 22 that prevents the liquid drug inside from flowing out is attached to the supply port 21 provided on the bottom surface of the drug container 20 before attachment to the pedestal 30.

The pedestal 30 is attached to the lower portion of the medicine container 20 and supports the medicine container 20 from below. The pedestal 30 stores the liquid medicine supplied from the supply port 21 provided on the bottom surface of the medicine container 20 and can be attached to a water storage tank. The pedestal 30 is made of, for example, resin, but its material and shape are not particularly limited. Details of the pedestal 30 will be described later.

The cover member 10 is a lid-shaped member, and is a member that covers the upper portion of the drug container 20 from the viewpoint of design, but is not an essential member. The cover member 10 is made of, for example, resin, but its material and shape are not particularly limited.

The pedestal 30 is a liquid medicine transmitting member 33 for discharging and supplying the liquid medicine discharged from the supply port 21 of the medicine container 20 to the outside by using atmospheric pressure, and a liquid medicine discharged from the liquid medicine transmitting member 33. It has a storage part 40 capable of temporarily storing and holding the water, and a mounting part 34 for mounting the pedestal 30 to the water intake of the water storage tank.

The liquid medicine transmitting member 33 has a hollow pipe shape whose diameter increases toward the lower side, and an upper opening 33a is provided at the upper top portion. Below the liquid medicine transmission member 33, a slit-shaped liquid transmission passage 44 formed in the vertical direction of the liquid medicine transmission member 33 and having a small width is provided.

When the medicine container 20 containing the liquid medicine and the pedestal 30 are combined, the liquid medicine transmission member 33 is inserted into the supply port 21 of the medicine container 20. Here, for example, an embolic member (not shown) is attached to the inner plug 22, and the liquid drug delivery member 33 penetrates the embolic member. Then, the supply port 21 and the inner plug 22 of the medicine container 20 are located between the liquid medicine transmitting member 33 and the support protrusion 43 provided so as to extend in a substantially vertical direction from the bottom surface 41 of the storage section 40, and hold the same. To be done. At this time, the tip of the inner plug 22 comes into contact with the ridge 37 provided around the liquid drug delivery member 33.

In the combined state of the medicine container 20 and the pedestal 30, the upper opening 33a of the liquid medicine transmitting member 33 is located above the liquid surface of the liquid medicine in the medicine container 20. The inner bottom surface of the liquid medicine transmission member 33 communicates with the outside atmosphere through a hole (not shown). Therefore, even if the amount of the liquid drug inside is reduced, the atmospheric pressure is always applied to the liquid surface of the liquid drug contained in the drug container 20, and the liquid drug is pressed downward along the liquid transmission path 44. It Here, a plurality of notches 38 are provided in the circumferential direction of the protrusion 37, and the lower end of the liquid transmission path 44 communicates with the notches 38. Therefore, the liquid medicine descending downward along the liquid transmission path 44 is discharged and supplied to the storage portion 40 of the pedestal 30 through the cutout portion 38. The storage unit 40 can hold and store the supplied liquid medicine.

FIG. 3A shows a cross-sectional view of the pedestal 30, and FIG. 3B shows a top view of the pedestal 30. However, the left half of FIG. 3A shows a cross-sectional view, while the right half shows a front view. The storage portion 40 of the pedestal 30 has a substantially cylindrical outer shape. The storage section 40 has a bottom surface 41 having a circular outer shape, a bottom surface 41 having a circular shape in plan view, and a side surface 32 having a cylindrical side surface and rising from an edge of the bottom surface 41. The side wall 32 stands up at an angle of approximately 90 degrees with respect to the bottom surface 41. The side wall 32 is provided with a passage hole 32a that passes through the inner surface and the outer surface thereof, and efficiently evaporates the fragrance component and the like in the liquid medicine. Further, part of the flushing water supplied to the storage section 40 passes through the passage hole 32a. The ratio of the passage holes 32a to the entire area of the cylindrical side wall 32 is preferably set in the range of 50 to 80%. Of course, the shape and size (height) of the side wall 32 are not particularly limited.

The bottom surface 41 of the storage portion 40 of the pedestal 30 is provided with a first water passage hole 46 and a second water passage hole 45 that allow the flushing water to pass through and drain from the center to the outside in plan view. ing. The second water passage hole 45 is provided near the side wall 32. Six first water passage holes 46 are provided in the circumferential direction, and two second water passage holes 45 are provided as four units, and four units are provided in the circumferential direction. The position, number, shape, etc. of each of the first water passage hole 46 and the second water passage hole 45 are not particularly limited. Still another water passage hole can be provided at a position between the first water passage hole 46 and the second water passage hole 45.

An attachment portion 34 for attaching the pedestal 30 to the water storage tank is provided on the back surface of the bottom surface 41. The mounting portion 34 includes a plurality of long leg ribs 35 that can be inserted into the water inlet of the water storage tank, and a plurality of short leg ribs 36 that secure a clearance between the water inlet and the back surface of the bottom surface 41. The plurality of long leg ribs 35 have elasticity and expand in a state of being inserted into the water intake port, so that the pedestal 30 is stably installed. The short leg ribs 36 ensure a clearance between the water inlet and the back surface of the bottom surface 41, so that water can be smoothly flowed to the water inlet.

FIG. 4A shows an enlarged view of the portion A of FIG. In the present embodiment, the storage section 40 further includes an extending member 42 extending from the bottom surface 41. The extending members 42 have a plate shape, and six extending members 42 are provided in the circumferential direction. Then, two opposing surfaces 42a extending from the bottom surface 41 of the extending member 42 are processed into an uneven surface 42a including fine unevenness. The unevenness is formed along the direction in which the extending member 42 extends (the direction perpendicular to the paper surface).

When the reservoir 40 has only the flat bottom surface 41, its surface area is limited, and its ability to store and retain the liquid drug is limited. In the present embodiment, the extension member 42 extending from the bottom surface 41 is provided, and the ability to store and hold the liquid medicine is improved by increasing the surface area. Further, two opposing surfaces extending from the bottom surface 41 of the extending member 42 are uneven surfaces 42a including fine unevenness, further increasing the surface area. By storing the liquid drug in the uneven portion, the ability to hold the liquid drug is further improved, and the evaporation of the liquid drug can be suppressed.

The shape, number, size and processing method of the uneven surface 42a are not particularly limited. As in the embodiment, it is not always necessary to provide the two opposing surfaces, and it is possible to provide only one surface. Further, the uneven surface 42a includes not only repeating concave and convex portions but also dot shapes, saw blade shapes, and the like, as long as a predetermined height difference is generated along the surface. The angle of the top of the convex portion or the bottom of the concave portion of the uneven surface 42a can be set to, for example, 100 to 130 degrees.

FIG. 4B shows an enlarged view of the B portion of FIG. In the present embodiment, the bottom surface 41 is also processed into an uneven surface. That is, on the bottom surface 41, convex portions (protruding portions) 41b having a square shape in plan view are arranged in a grid pattern, concave portions (groove portions) 41c are formed between the convex portions 41b, and an uneven surface 41a is formed. ing. For example, the convex portion 41b can be set to a square having one side of 1.4 mm, and the concave portion 41c can be set to have a width of 0.6 mm and a depth of 0.2 mm. The liquid medicine can be stored in the recess 41c and the outflow of the liquid medicine can be prevented, and the ability to store and hold the liquid medicine is improved. For example, it is preferable that the area of the bottom surface 41 obtained by the main processing be increased by 20 to 80% as compared with the area of the flat bottom surface 41 having no uneven surface.

The shapes, numbers, sizes, and processing methods of the convex portions 41b and the concave portions 41c are not particularly limited. The uneven surface 41a includes not only repeating concave and convex portions but also dot shapes, saw blade shapes, and the like, as long as a predetermined height difference is generated along the surface. In addition to the main body of the pedestal 30, a sheet having irregularities on the surface may be prepared and attached to the bottom surface 41 of the main body of the pedestal 30 to provide the convex portions 41b and the concave portions 41c.

The on-tank type chemical solution supply device 1 configured as described above is installed on a water storage tank of a flush toilet (not shown), and in this installed state, flushing water flows into the storage section 40. The inflowing water comes into contact with the liquid medicine stored in the storage section 40, and the water mixed with the liquid medicine passes through the first water passage hole 46 and the second water passage hole 45 of the bottom surface 41 of the storage section 40. It flows into the water intake of the water storage tank. Then, the water containing the liquid medicine flows out of the water storage tank into the toilet bowl to wash the toilet bowl. After the flushing, the liquid liquid agent is held in the reservoir 40 again.

The on-tank type chemical solution supply device 1 of the present embodiment allows the flushing water to efficiently pass through the water passage holes (the first water passage hole 46 and the second water passage hole 45) and drains it quickly. As a result, it is possible to suppress liquid splashing, falling, and the like, and ensure an appropriate usage state. Further, the on-tank type chemical liquid supply device 1 of the present embodiment can effectively store the liquid medicine by the extending member 42 provided on the pedestal 30, the uneven surface 42a thereof, the bottom surface 41 and the uneven surface 41a thereof.

The liquid medicine accommodated in the on-tank type chemical solution supply device of the present invention may use an aromatic agent, a cleaning agent or the like as an active ingredient, but the kind is not particularly limited.

It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. can be appropriately made. In addition, the materials, shapes, dimensions, numerical values, forms, numbers, locations, etc. of the respective constituent elements in the above-described embodiments are arbitrary and are not limited as long as the present invention can be achieved.

The present invention provides an on-tank type chemical liquid supply device capable of effectively storing a liquid medicine and efficiently cleaning a water storage tank of a flush toilet.

DESCRIPTION OF SYMBOLS 1 On-tank type|mold chemical|medical solution supply apparatus 10 Cover member 20 Chemical|medical container 30 Pedestal 33 Liquid chemical|medical agent transmission member 34 Attachment part 35 Long leg rib 36 Short leg rib 37 Ridge 38 Notch 40 Storage part 41 Bottom 41a Uneven surface 41b Convex part 41c Recessed part 42 extended member 42a uneven surface 43 support projection 44 liquid transmission path 46 first water passage hole 45 second water passage hole

Claims (5)

An on-tank type chemical solution supply device that can be installed on a water storage tank of a flush toilet,
A drug container capable of containing a liquid drug,
While supporting the drug container, a storage part capable of storing the liquid drug supplied from the drug container, and a pedestal having a mounting part attached to a water storage tank,
Equipped with
The storage portion has a bottom surface, a side wall that rises from an edge portion of the bottom surface, and an extending member that extends from the bottom surface closer to the center than the side wall in plan view,
At least one surface extending from the bottom surface of the extending member is processed into an uneven surface including fine unevenness capable of storing the liquid medicine ,
On-tank type chemical supply device. The on-tank type chemical liquid supply device according to claim 1,
An on-tank type chemical liquid supply device in which the bottom surface is processed into an uneven surface. The on-tank type chemical solution supply device according to claim 1 or 2, wherein
The bottom surface is provided with at least a first water passage hole and a second water passage hole from the center to the outside in a plan view, and the second water passage hole is provided in the vicinity of the side wall. On-tank type chemical supply device. The on-tank type chemical liquid supply device according to claim 3,
An on-tank in which the side wall rises at an angle of about 90 degrees with respect to the bottom surface and includes a passage hole that passes through the inner surface and the outer surface, and the ratio of the passage hole to the entire area of the side wall is 50 to 80%. Type chemical liquid supply device. The on-tank type chemical solution supply device according to claim 1,
The mounting portion is provided on the back surface of the bottom surface, and the mounting portion forms a clearance between the plurality of long leg ribs that can be inserted into the water inlet of the water storage tank and the water inlet and the back surface of the bottom surface. An on-tank type chemical liquid supply device provided with a plurality of short leg ribs.

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