JP4592256B2 - Chemical supply tool - Google Patents

Description

【００５４】
以下、実験結果について説明する。図６は、フラッシュの回数と薬液の残存率の関係を示すグラフであり、図６（ａ）は実験２−Ｉの結果、図６（ｂ）は実験２−IIの結果である。
【００５５】
（２−Ｉ）室温２３℃、水温２５℃
図６（ａ）に示すように、この実験によれば、水温が室温よりも高いため、比較例１では上述したように、薬液容器内への水の混入量は少ないものの、薬液の粘度は確実に低下する。そのため、使用後期には、薬液の減少量が大きくなり、これによって残存率の低下が早まり、使用回数が少なくなっている。これに対して、実施例では、薬液容器への水の流入が防止されているため、ほぼ一定の割合で薬液が減少している。
【００５６】
（２−II）室温１５℃、水温５℃
図６（ｂ）に示すように、この実験によれば、比較例１では、使用初期から中期において残存率の非常に低下が緩やかになっている。これは、室温が水温よりも高く、フラッシュ毎に薬液容器が冷やされて容器内が負圧になるため、実験２−Ｉよりも多くの水が薬液容器内に流入しているからである。そして、使用初期から中期に亘る水の混入により粘度が大きく低下して水に近くなっているため、使用後期には薬液が一気に排出されている。これに対して、実施例では、薬液容器への水の流入が防止されているため、実験２−Iと同様に、ほぼ一定の割合で薬液が減少している。
【００５７】
なお、比較例２は、薬液容器から排出される薬液が含浸体に吸収されており、この含浸体に流水が直接接触して薬液を洗い流すように構成されている。そのため、含浸体に吸収された薬液は流水によって薄められる。これにより、比較例２では、薄められた薬液を補完するため薬液容器から薬液が排出されやすく、上記各実験を通じ、他の例に比べて薬液の減少が著しく早くなっている。
【００５８】
【発明の効果】
以上の説明から明らかなように、本発明に係る薬液供給具によれば、手洗い部の形態に関わらず使用でき、しかも安定した薬液の供給が可能となる。
【図面の簡単な説明】
【図１】本発明に係る薬液供給具の一実施形態を示す正面図及び側面図である。
【図２】図１の薬液供給具の分解図である。
【図３】図１の薬液供給具に使用される調整部材を示す平面図及び正面断面図である。
【図４】図１の薬液供給具に使用される支持体を示す平面図及び正面断面図である。
【図５】支持体と調整部材との組立を示す斜視図及び組立後の正面断面図である。
【図６】フラッシュ毎の薬液残存率の推移を示すグラフである。
【図７】特許文献１に示す薬液供給具の断面図である。
【図８】従来の薬液供給具の正面図及び側面図である。
【図９】図８の薬液供給具の分解図である。
【図１０】図８の薬液供給具で使用される薬液供給部材の平面図及び側面図である。
【図１１】図８の薬液供給具で使用される調整部材の拡大断面図である。
【符号の説明】
１ 薬液容器
１１ 口部
２ 支持体
２３ 案内部材
２３１ 溝部
２４ 長脚部
３１ 排出部
３１１ 排出孔
３２１ 空気流通孔
３４ 連通孔
Ｓ 貯留部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chemical supply device that is disposed in a hand-washing section above a water storage tank in a flush toilet and supplies chemical liquid into the water storage tank together with water supplied to the hand-washing section.
[0002]
[Prior art]
An example of this type of chemical supply tool is disclosed in Patent Document 1. As shown in FIG. 7, the chemical liquid supply tool includes a chemical liquid container 101 and a support body 102 that supports the chemical liquid container 101, and the impregnated body 103 disposed in the support body 102 is discharged from the chemical liquid container 101. Absorbed chemicals. The upper surface of the support 102 is closed by the chemical solution container 101 and the cover member 104. In addition, a plurality of openings and a guide member 105 are formed at the bottom of the support 102, and the running water supplied to the hand-washing portion 106 of the water storage tank is guided to the opening by the guide member 105. . And the water which flowed in into the support body 102 from the opening contacts the impregnated body 103 to wash away the chemical solution and flows into the water storage tank.
[0003]
In the chemical solution supply device configured as described above, the cover member 104 prevents the water flowing down from above the chemical solution container 101 from coming into direct contact with the impregnated body 103, and an opening and a guide member 105 at the bottom of the support body 102. By providing this, excessive inflow of water into the support 102 is restricted.
[0004]
However, in this chemical solution supply tool, the water that has flowed into the support body 102 is in direct contact with the impregnated body 103, so that the chemical liquid absorbed in the impregnated body 103 is diluted with the flowing water. Therefore, there is a problem that the chemical solution is easily discharged from the chemical solution container 101 more than necessary to supplement the diluted chemical solution, and the chemical solution in the container 101 is rapidly reduced.
[0005]
Moreover, the chemical solution supply device described in Patent Document 2 includes a chemical solution container that stores the chemical solution, and a water storage unit that is disposed above the chemical solution container and temporarily holds water flowing down from above the chemical solution supply device. ing. An elastic part is provided in the upper part of the chemical solution container, and this elastic part is pressed by the water storage part. And when water flows down from the water discharge tap and accumulates in the water storage part, the elastic part is pressed and deformed by its weight, thereby increasing the internal pressure of the chemical liquid container and discharging the chemical liquid. In addition, the water storage part is provided with a discharge port, and the water stored in the water storage part is gradually discharged. As a result, the weight of the water storage part is reduced, and as the elastic part returns to its original state, the inside of the container becomes negative pressure and the discharge of the chemical liquid stops.
[0006]
By the way, in the said chemical | medical solution supply tool, in order to accumulate water in a water storage part, it is necessary to supply water from upper direction, Therefore The chemical | medical solution supply tool must be arrange | positioned under the water discharge tap. However, depending on the shape of the hand-washing portion, there is a case where there is not enough space to place the chemical supply tool below the water discharge tap. Therefore, all of the chemical supply tools are not necessarily usable in the toilet, and there is a problem that they are not versatile.
[0007]
Patent Document 3 discloses the following chemical supply tool. The chemical solution supply tool includes a chemical solution container that stores the chemical solution, and a chemical solution supply plug that is inserted into the chemical solution container from below, and the chemical solution in the container has pores formed on the surface of the chemical solution supply plug. Then, the liquid is supplied to a chemical storage tank disposed below the container through a narrow groove or the like. And the chemical | medical solution stored in the chemical | medical solution storage tank is washed away with the flowing water which flows through a hand-washing part.
[0008]
In this chemical solution supply tool, it is necessary to introduce running water into the chemical solution storage tank, but depending on the shape of the hand-washing part or the position of the water discharge tap, it may not be possible to arrange the flowing water into the storage tank. There is a problem that it is difficult to reliably supply.
[0009]
Therefore, the present applicant has proposed the following chemical supply tool. Hereinafter, this will be described with reference to FIGS. FIG. 8 is a front view (a) and a side view (b) of the chemical liquid supply tool, and FIG. 9 is an exploded view of the chemical liquid supply tool.
[0010]
As shown in FIGS. 8 and 9, this chemical solution supply tool includes a chemical solution container 51 that stores the chemical solution, a discharge pipe 53 that discharges the chemical solution from the chemical solution container 51, and a chemical solution that has passed through the discharge pipe 53 to a predetermined position. And a chemical supply member 55 for guiding. The discharge pipe 53 is formed integrally with an adjusting member 57 described later, and is disposed between the chemical liquid container 51 and the chemical liquid supply member 55. And these members are supported by the cup-shaped support body 59 arrange | positioned at a hand-washing part.
[0011]
FIG. 10 is a plan view (a) and a side view (b) of the chemical solution supply member. As shown in the figure, the chemical solution supply member 55 is made of plastic, and is inclined downward from a base 61 where one end of the discharge pipe 53 substantially contacts, and both side edges (upper and lower sides in the figure) of the base 61. A pair of guide plates 63 is provided. A plurality of grooves 65 through which the chemical solution can flow are formed in the width direction (the left-right direction in the figure) in the vicinity of the portion where the discharge pipe 53 abuts in the base 61 and the central portion of these grooves 65. What has been formed constitutes a guide groove 67. The guide groove 67 extends across the base 61 to the ends of both guide plates 63, and guides the chemical from the base 61 to the guide plate 63 side. Further, as shown in FIG. 8, the end portion of each guide plate 63 protrudes from an opening 69 formed from the bottom surface to the side surface of the support body 59.
[0012]
FIG. 11 is an enlarged cross-sectional view of the adjustment member 57. As shown in the figure, the adjustment member 57 is integrally formed with the discharge pipe 53 and is formed in a U-shaped box shape when viewed from the front, and a connection portion connected to the mouth portion 52 at the lower end of the chemical solution container 51 at the center upper portion thereof. 56 is provided. The connection part 56 is formed in a cylindrical shape with a sharp upper end, and is arranged so as to surround the periphery of the discharge pipe 53. Further, the adjustment member 57 forms a storage chamber 57 a with the opened lower end edge abutting against the base 61 of the chemical solution supply member 55. And the chemical | medical solution which passed the groove | channel 65 from the discharge pipe 53 is stored in this storage chamber 57a, and the one part passes the said guide groove 67, and flows into the guide plate 63. FIG. Air circulation holes 71 communicating with the outside are formed at both upper ends of the storage chamber 57a, and a plurality of communication holes 73 are formed around the discharge pipe 53 to allow the chemical solution container 51 and the storage chamber 57a to communicate with each other. .
[0013]
As shown in FIG. 8, a plurality of legs 75 are formed on the bottom surface of the support body 59, and these legs 75 are inserted into drains formed in the hand-washing section. Thereby, a chemical | medical solution supply tool can be stably installed on a hand-washing part, and it can prevent falling down by flowing water.
[0014]
The chemical solution feeder configured as described above operates as follows. That is, the chemical solution in the chemical solution container 51 flows out of the chemical solution container 51 through the discharge pipe 53 and is stored in the storage chamber 57 a through the groove 65, and part of the chemical solution is supplied to the guide plate 63 through the guide groove 67. And flow out. And the chemical | medical solution on the guide plate 63 is washed away by the water supplied at the time of flushing, and flows into a water storage tank. Note that the water supplied at this time comes into direct contact with the guide plate 63 to wash away the chemical liquid, regardless of whether the water supplied from the side of the chemical liquid supply tool flows on the hand washing part or from above the chemical liquid supply tool. .
[0015]
In this way, in this chemical solution supply tool, since the running water does not directly contact the base 61 of the chemical solution supply member 55 but contacts the guide plate 63 to wash away the chemical solution, unlike the chemical solution supply device described in Patent Document 1, the chemical solution It is possible to prevent excessive discharge of the chemical solution from the container. The excessive discharge of the chemical liquid is limited because the flow of the chemical liquid to the guide plate 63 mainly passes through the guide groove 67 and the adjustment member 57 is provided.
[0016]
Further, as will be described below, the adjustment member 57 performs a buffering action when a pressure change occurs in the chemical solution container 51 due to a temperature change. For example, when the room temperature rises and the chemical container 51 is warmed, the air in the container 51 expands and the container 51 becomes positive pressure. In this case, the chemical liquid in the container 51 is pushed out and discharged, but most of the chemical liquid flows into the storage chamber 57a through the discharge pipe 53 and the groove 65, and therefore continues to flow toward the guide plate 63. Is prevented.
[0017]
On the other hand, for example, when the temperature of the chemical solution container is lowered by flowing water and the temperature is lowered, the air in the chemical solution container 51 contracts and becomes negative pressure. Thereby, the chemical solution in the storage chamber 57 a is pulled back into the chemical solution container 51 through the communication hole 73. Therefore, it is possible to prevent the chemical solution in the guide plate 63 from returning to the container 51 side. As described above, the adjustment member 57 circulates between the chemical solution container 51 and the storage chamber 57a even when a pressure change occurs in the chemical solution container 51 due to a temperature change. It is possible to prevent the chemical liquid in the inside from flowing out excessively or restricting the outflow.
[0018]
However, the chemical solution supply tool has the following problems. That is, when the flowing water flows to the chemical solution supply tool by flushing, the flowing water not only flushes the chemical solution of the guide plate 63 but also part of it flows into the discharge pipe 53 and the storage chamber 57a through the guide plate 63. is there. Thereby, the chemical | medical solution in the storage chamber 57a is diluted. At this time, if the temperature of flowing water is lower than room temperature, the chemical solution container 51 is cooled and the inside of the container 51 becomes negative pressure. Therefore, the thinned chemical solution in the storage chamber 57 a is sucked into the container 51, and the flowing water that has traveled through the guide plate 63 is also sucked through the discharge pipe 53 and mixes with the chemical solution in the container 51. Then, after flushing, the chemical solution container 51 cooled by running water is gradually warmed to room temperature. Thereby, the inside of the container 51 becomes a positive pressure, and the chemical solution is discharged.
[0019]
When the change in the pressure in the container as described above is repeated, the viscosity of the chemical solution is lowered by the flowing water. And when the viscosity of a chemical | medical solution will be in the state close | similar to water, discharge | emission of a chemical | medical solution will be accelerated | stimulated at a stretch. For this reason, in the initial stage of use of the chemical solution supply device, since the flowing water flows into the container 51 every flush, the decrease in the chemical solution in the container 51 is very gradual at first glance. In addition, since the viscosity of the chemical solution is lowered, the chemical solution in the container 51 is likely to flow out and is reduced at a stroke. As a result, there arises a problem that the user notices a decrease in the chemical solution remarkably in the later stage of use.
[0020]
On the other hand, even when the temperature of running water is higher than room temperature, the same problem occurs. In this case, since the flowing water warms the chemical solution container 51, the inside of the container 51 becomes a positive pressure, and the discharge of the chemical solution is promoted. After flushing, the chemical solution container 51 heated by running water is gradually cooled at room temperature, and the inside of the container 51 becomes negative pressure. At this time, if running water at the time of flushing remains in the storage chamber 57a and the vicinity of the discharge pipe 53, this water is sucked into the container 51, and the viscosity of the chemical solution decreases.
[0021]
When the above is repeated, although the amount of water entering the container is small compared with the case where the temperature of the flowing water is lower than room temperature, the decrease in the viscosity surely proceeds. Further, as the discharge of the chemical liquid from the container 51 proceeds and the volume of air occupying the container 51 increases, the discharge amount of the chemical liquid tends to increase in the latter half of use. That is, since the volume of the air in the container 51 is small at the initial stage of use, the amount of expansion of the air is small, and the discharge amount of the chemical liquid due to this is not large. However, since the volume of the air in the container 51 is increased in the later stage of use, the amount of expansion of the air due to the temperature change is also large, thereby increasing the pressure with which the air in the container 51 presses the chemical liquid. Therefore, the discharge amount of the chemical solution becomes large in the later stage of use. From the above, in addition to the decrease in the viscosity of the chemical solution, the amount of discharge of the chemical solution in the later stage of use increases due to an increase in the pressure as described above. Thereby, the problem that the usable time of a chemical | medical solution supply tool reduces arises.
[0022]
[Patent Document 1]
Japanese Patent No. 3345391
[0023]
[Patent Document 2]
Japanese Patent Laid-Open No. 2002-88868
[0024]
[Patent Document 3]
JP 2002-146879 A
[0025]
[Problems to be solved by the invention]
As mentioned above, although the chemical solution supply tool currently proposed was demonstrated, all have the problem that it cannot use depending on the form of a hand-washing part, or cannot supply the chemical solution stably.
[0026]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a chemical supply tool that can be used regardless of the shape of the hand-washing section and can supply a stable chemical solution.
[0027]
[Means for Solving the Problems]
The present invention has been made in order to solve the above-described problem, and is provided in a hand wash section at the upper part of a water storage tank in a flush toilet, and supplies a chemical liquid into the water storage tank together with water supplied to the hand wash section. A chemical container containing a chemical liquid and having a mouth formed at a lower end thereof, a support body supporting the chemical liquid container, and disposed on the hand-washing part, and an upper part connected to the mouth part, A discharge part provided with a discharge hole for discharging a chemical solution from the bottom side of the support body, and abutting or close to the discharge part in the vicinity of the discharge hole, so as to guide the chemical solution discharged from the discharge hole And a guide member extending downward from the support.
[0028]
According to this configuration, the guide member extending downward is provided in the vicinity of the discharge hole opened on the bottom surface side of the support, and the chemical liquid discharged from the discharge hole is guided downward along the guide member. The Here, since the guide member extends downward from the discharge hole, it is possible to suppress the water from reaching the discharge hole even if the water flowing during the flushing contacts the guide member. Therefore, it is possible to prevent water from being mixed into the chemical solution container and diluting the chemical solution, and it is possible to prevent the chemical solution from rapidly decreasing in the later stage of use. As a result, a stable chemical supply can be realized.
[0029]
In addition, since the discharged chemical solution is exposed to the outside on the bottom side of the chemical solution supply tool, if the chemical solution supply device is disposed on the flow path of the flowing water in the hand-washing portion, the flowing water reliably contacts the guide member. The chemical solution is washed away by running water and supplied to the water storage tank. As described above, since the chemical liquid supply tool according to the present invention can be washed away by running water just by placing it on the path of running water, it can be used in various toilets regardless of the shape of the hand washing section, for example, the position of the water discharge tap. Can be used.
[0030]
Here, since all the flowing water flows into the drain outlet of the hand washing section regardless of the position of the water discharge tap, if the guide member can be inserted into the drain outlet, the guiding member is caused by the flowing water on the hand washing section. The upper chemical solution can be washed away reliably. Further, since the chemical liquid on the guide member flows directly into the drain outlet by being washed away with running water, even if the chemical liquid contains a component such as a pigment, the hand washing part is soiled by this pigment. Can be prevented. Furthermore, if the guide member can be inserted into the drainage port as described above, positioning when placing the chemical solution supply tool on the hand-washing portion can be easily performed.
[0031]
Moreover, it is preferable that a support body is provided with the leg part inserted in the said drain outlet, and also this leg part is provided with the shielding member which surrounds the circumference | surroundings of the said guide member in the vicinity of the said discharge hole. If it does in this way, since the support body is provided with the leg part inserted in a drain outlet, a support body can be firmly fixed on a hand-washing part. Therefore, it can prevent reliably that a chemical | medical solution supply tool falls down with the water supplied on a hand-washing part. Moreover, since the above-mentioned shielding member is provided in this leg part, it can prevent flowing water toward a discharge hole. As a result, it is possible to more reliably prevent water from flowing into the chemical solution container via the discharge part, and to prevent the chemical solution from being diluted.
[0032]
Moreover, it is preferable that the said guide member is provided with the some groove part which a chemical | medical solution distribute | circulates, and these grooves are extended below. If it does in this way, it will become easy for the chemical | medical solution discharged | emitted from the discharge part to flow out downward, and it will become possible to discharge | emit moderate amount of chemical | medical solutions.
[0033]
Moreover, the said chemical | medical solution supply tool is further equipped with the storage part which is enclosed by the bottom wall, the side wall, and the upper wall, and forms the chamber isolate | separated from the said discharge part, This storage part is the said chemical | medical solution container via the said opening part. It is possible to have a communication hole that communicates with the air and an air circulation hole that allows inflow of outside air. According to this configuration, the storage portion performs a buffering action when a pressure change occurs in the chemical solution container due to a temperature change. For example, when the room temperature rises and the chemical solution container is warmed, the air in the container expands and the inside of the container becomes positive pressure. In this case, the chemical solution in the container is pushed out and discharged. However, since this chemical solution flows into the storage portion as well as the discharge portion, the chemical solution is prevented from continuing to flow out to the discharge portion. At this time, if the total opening area of the discharge holes (the sum of the opening areas of all the discharge holes) is smaller than the total opening area of the communication holes, the chemical solution easily flows into the storage portion, and the chemical solution is excessively discharged from the discharge portion. Is prevented.
[0034]
On the other hand, when the temperature of the chemical solution container decreases due to cooling by running water, etc., and the air in the chemical solution container contracts to a negative pressure, the chemical solution passes through the communication hole from the reservoir side where the air pressure acts. Is sucked into the chemical container. Therefore, the chemical liquid can be prevented from returning from the discharge portion side to the container side, and as a result, the discharge of the chemical liquid can be prevented from being restricted. In this way, even when a pressure change occurs in the chemical liquid container due to a temperature change, the storage part circulates between the chemical liquid container and the storage part, so that the chemical liquid in the chemical liquid container is excessive. It is possible to prevent the spillage or the spillage from being restricted.
[0035]
Moreover, since this storage part is provided separately from the discharge part, even if water flows in from the discharge part, this water does not flow into the storage part, and the chemical solution in the storage part does not flow. It will not be diluted. Therefore, it can prevent more reliably that a chemical | medical solution is diluted by the chemical | medical solution of a storage part flowing in into a chemical | medical solution container.
[0036]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a chemical supply tool according to the present invention will be described with reference to the drawings. FIG. 1 is a front view (a) and a side view (b) of a chemical solution supply tool, and FIG. 2 is an exploded view of the chemical solution supply tool.
[0037]
As shown in FIGS. 1 and 2, the chemical liquid supply tool includes a chemical liquid container 1 that stores a chemical liquid such as an aromatic cleaning agent, a cup-shaped support 2 that supports the chemical liquid container 1, and the inside of the support 2. And an adjustment member 3 connected to the chemical solution container 1.
[0038]
FIG. 3 is a plan view (a) and a front sectional view (b) of the adjustment member. As shown in the figure, the adjustment member 3 is formed in a box shape with an open lower end, and includes a discharge portion 31 disposed in the center and a peripheral frame portion 32 formed in a ring shape around the discharge portion 31. ing. The discharge part 31 is provided with a cylindrical connection part 33 at the open upper end and a discharge hole 311 at the lower end. The connecting part 33 is connected to the mouth part 11 at the lower end of the chemical liquid container 1, and the chemical liquid flows into the discharge part 31 from the chemical liquid container 1 through the mouth part 11 and the connecting part 33. A plurality of communication holes 34 are formed around the discharge portion 31 at the lower end of the connection portion 33, and the peripheral frame portion 32 and the connection portion 33 communicate with each other through the communication holes 34. The peripheral frame portion 32 is formed in a rectangular shape in plan view, and its outer peripheral edge bulges upward, and air circulation holes 321 are formed at the four corners of the bulged portion. In addition, although the discharge hole 311 is for discharging | emitting a chemical | medical solution, in order to suppress the excessive discharge | emission of a chemical | medical solution, it is preferable that it is small diameter.
[0039]
4 is a plan view (a) and a front sectional view (b) of the support, and FIG. 5 is an exploded perspective view (a) of the support and the adjusting member and a front sectional view (b) when combined. is there. As shown in FIG. 4, a rectangular wall portion 21 that fits to the outer peripheral edge of the lower end of the adjustment member 3 is formed on the inner surface of the bottom portion of the support body 1, and the wall portion 21 and the peripheral frame portion 32 are formed. To form a storage portion S in which the chemical solution is stored (see FIG. 5B). A circular bottom hole 22 is formed at the center of the portion surrounded by the wall portion 21, and the discharge portion 31 is fitted into the bottom hole 22. A guide member 23 for guiding the chemical discharged from the discharge hole 311 downward is provided below the bottom hole 22, and the lower end of the discharge portion 31 abuts on the upper end of the guide member 23. It is like that. The guide member 23 is formed in a plate shape extending downward, and a plurality of groove portions 231 extending in the vertical direction are formed (see FIG. 1A).
[0040]
Further, four long legs 24 surrounding the bottom hole 22 and four short legs 25 disposed around the long legs 24 are formed on the bottom surface of the support 2. Of these legs 24, 25, the long legs 24 can be inserted into drains (not shown) of the hand-washing part, and each short leg 25 is when the long legs 24 are inserted into the drains. In addition, the chemical supply tool is supported horizontally. The guide member 23 is formed integrally with the four long leg portions 24 and extends downward, and can be inserted into the drain outlet together with the long leg portions 24. However, since the guide member 23 is slightly shorter than the long leg portion 24, only the lower end portion thereof can be inserted into the drain outlet.
[0041]
Further, the long leg portion 24 is provided with a shielding member 26 surrounding the guide member 23, thereby preventing water flowing through the hand washing portion from moving toward the discharge hole 311 side.
[0042]
As shown in FIG. 5, the drug supply device according to the present embodiment is formed on the outside of the lower end edge of the adjustment member 3 by fitting the wall portion 21 of the support 2 to form a storage portion in a liquid-tight state. Assembling is performed by fitting the mouth portion 11 of the chemical liquid container 1 into the connection portion 33 of the adjustment member 3.
[0043]
The chemical solution feeder configured as described above operates as follows. That is, the chemical solution in the chemical solution container 1 flows into the discharge portion 31 and flows out from the discharge hole 311, and then is guided downward through the guide member 23. And the chemical | medical solution on the guide member 23 is washed away by the water supplied at the time of flushing, and flows into a water storage tank.
[0044]
In addition, as will be described below, the reservoir S performs a buffering action when a pressure change occurs in the chemical liquid container 1 due to a temperature change. For example, when the temperature rises and the chemical solution container 1 is warmed, the air in the container 1 expands and the inside of the container 1 becomes positive pressure. In this case, the chemical solution in the chemical solution container 1 is pushed out and discharged, but since this chemical solution flows into the storage unit S in addition to the discharge unit 31, the chemical solution is prevented from continuing to flow out to the discharge unit 31.
[0045]
On the other hand, when the temperature of the chemical liquid container 1 is lowered by being cooled by flowing water and the air in the chemical liquid container 1 is contracted to a negative pressure, the chemical liquid is connected to the communication hole from the storage portion S side on which the air pressure acts. It is sucked into the chemical liquid container 1 through 34. Therefore, it can prevent that a chemical | medical solution returns to the container 1 side from the discharge part 31 side, As a result, it can prevent that discharge | emission of a chemical | medical solution is restrict | limited. Thus, even if the storage part S is a case where a pressure change arises in the chemical | medical solution container 1 by a temperature change, since most chemical | medical solutions distribute | circulate between the chemical | medical solution container 1 and the storage part S, the storage part S It is possible to prevent excessive outflow of the chemical solution or restriction of outflow.
[0046]
As described above, according to the present embodiment, the discharge hole 311 for discharging the chemical liquid is provided on the bottom surface side of the support 2, and the chemical liquid discharged from the discharge hole 311 is guided downward from there. Guided downward along the member 23. Here, since the guide member 23 extends downward from the discharge hole 311, even if the water flowing at the time of flushing contacts the guide member 23, this water can reach the discharge hole 311 through the guide member 23. Can be suppressed. Therefore, it is possible to prevent water from being mixed into the chemical liquid container 1 and diluting the chemical liquid, and it is possible to prevent the chemical liquid from being rapidly reduced in the later stage of use as in the conventional example.
[0047]
Further, the flowing water that travels through the guide member 23 may reach the chemical liquid container 1 only through the discharge hole 311, and the storage section S is provided so as to be separated from the discharge section 31. That is, the flowing water does not flow directly into the storage portion S, and the chemical solution in the storage chamber is diluted as in the conventional examples shown in FIGS. 8 to 11, and this does not flow into the chemical solution container. Therefore, it can prevent more reliably that water mixes in the chemical | medical solution container 1 and a chemical | medical solution is diluted.
[0048]
Further, since the lower end portion of the guide member 23 is inserted into the drainage port of the hand washing unit, the discharged chemical liquid is guided into the drainage port along the guide member 23. Here, since all the flowing water flows into the drain outlet of the hand washing portion regardless of the shape of the hand washing portion, the chemical solution on the guide member 23 is surely washed away by the flowing water. Therefore, the chemical liquid supply tool according to the present embodiment can be used in various toilets without depending on, for example, the position of the water discharge tap and the form of the hand-washing portion. In addition, since the chemical solution on the guide member 23 flows directly into the drainage port by being washed away with running water, for example, even when the chemical solution contains a component such as a pigment, the hand washing part is soiled by this pigment. Can be prevented.
[0049]
As mentioned above, although one Embodiment of this invention was described, this invention is not limited to this, A various change is possible unless it deviates from the meaning. For example, the guide member 23 does not necessarily have to be inserted into the drainage port, and may be disposed at a position facing the drainage port and in contact with running water. Further, in the above description, the guide member 23 is in contact with the discharge portion 31, but there is a gap between the guide member 23 and the discharge portion 31 so that the chemical discharged from the discharge hole 311 can be transferred onto the guide member 23. It is also possible to make them close to each other. Furthermore, the guide member 23 can enter the support body 2, and in this case, the guide member 23 and the discharge portion 31 are in contact with or close to each other in the support body 2. If it does in this way, it can prevent more reliably that flowing water flows in into the discharge part 31. FIG.
[0050]
Further, the shape of the guide member 23 is not limited to a plate shape as described above, but may be a rod shape or a cylindrical shape, and in particular, as long as it can guide the chemical solution downward. It is not limited. Moreover, the aspect of the groove part 231 is not limited to the one extending in the vertical direction, and may be formed to extend obliquely downward, or may be formed in a lattice shape or a dot shape.
[0051]
In the above description, the number of discharge holes 311 is one, but a plurality of discharge holes 311 may be provided. However, in order to prevent excessive discharge of the chemical solution, the total opening area of the discharge holes 311 (the sum of the opening areas of all the discharge holes) is preferably smaller than the total opening area of the communication holes 34. Further, instead of the discharge hole 311, a fibrous substance can be arranged at the bottom of the discharge part 31 and the chemical solution can be discharged through this substance.
[0052]
【Example】
Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples. Here, the chemical | medical solution supply tool shown in FIGS. 1-5 as an Example is used. Moreover, the chemical solution supply tool shown in FIGS. 8 to 11 is used as Comparative Example 1, and the chemical solution impregnation type chemical solution supply device prepared according to Patent Document 1 is used as Comparative Example 2. And the residual rate of the chemical | medical solution which remains in a chemical | medical solution container for every flush (residual rate when an initial state is made into 100%) was measured. The experimental method is as follows.
{Circle around (1)} The chemical supply tool to which each of the above chemical supply members is attached is installed on the hand washing part of S731B manufactured by TOTO.
(2) Flushing was performed at a rate of once per hour, and the residual rate was derived by measuring the weight of the chemical supply tool each time. The experiment was performed under the following two conditions with different room temperature and water temperature.
In addition, the chemical | medical solution to be used was produced as the following Table 1, and the viscosity was 250 mPa * s (25 degreeC).
[0053]
[Table 1]

[0054]
Hereinafter, experimental results will be described. FIG. 6 is a graph showing the relationship between the number of flushes and the remaining ratio of the chemical solution. FIG. 6 (a) shows the result of Experiment 2-I, and FIG. 6 (b) shows the result of Experiment 2-II.
[0055]
(2-I) Room temperature 23 ° C, water temperature 25 ° C
As shown in FIG. 6 (a), according to this experiment, since the water temperature is higher than room temperature, in Comparative Example 1, although the amount of water mixed into the chemical solution container is small, the viscosity of the chemical solution is Definitely drops. Therefore, in the later period of use, the amount of decrease in the chemical solution becomes large, which accelerates the decrease in the residual rate and decreases the number of uses. On the other hand, in the embodiment, since the inflow of water into the chemical solution container is prevented, the chemical solution is decreased at a substantially constant rate.
[0056]
(2-II) Room temperature 15 ° C, water temperature 5 ° C
As shown in FIG. 6 (b), according to this experiment, in Comparative Example 1, the remaining rate decreases very slowly from the initial use to the middle period. This is because the room temperature is higher than the water temperature, and the chemical container is cooled at each flush and the inside of the container becomes negative pressure, so that more water flows into the chemical container than in Experiment 2-I. And since the viscosity is greatly lowered and becomes close to water due to the mixing of water from the initial stage of use to the middle stage, the chemical solution is discharged at a stroke in the latter stage of use. On the other hand, in the example, since the inflow of water into the chemical solution container is prevented, the chemical solution is reduced at a substantially constant rate as in Experiment 2-I.
[0057]
In Comparative Example 2, the chemical solution discharged from the chemical solution container is absorbed by the impregnated body, and the impregnated body is in direct contact with running water to wash away the chemical solution. Therefore, the chemical solution absorbed in the impregnated body is diluted with running water. As a result, in Comparative Example 2, the chemical solution is easily discharged from the chemical solution container to supplement the diluted chemical solution, and the decrease in the chemical solution is significantly faster than the other examples throughout the above experiments.
[0058]
【The invention's effect】
As is apparent from the above description, the chemical solution supply device according to the present invention can be used regardless of the shape of the hand-washing section, and can supply a stable chemical solution.
[Brief description of the drawings]
FIG. 1 is a front view and a side view showing an embodiment of a chemical liquid supply tool according to the present invention.
2 is an exploded view of the chemical liquid supply tool of FIG. 1. FIG.
FIGS. 3A and 3B are a plan view and a front sectional view showing an adjustment member used in the chemical liquid supply tool of FIG. 1;
4 is a plan view and a front sectional view showing a support used in the chemical liquid supply tool of FIG. 1; FIG.
FIG. 5 is a perspective view showing the assembly of the support and the adjustment member, and a front sectional view after the assembly.
FIG. 6 is a graph showing the transition of the chemical solution remaining rate for each flush.
7 is a cross-sectional view of the chemical liquid supply tool disclosed in Patent Document 1. FIG.
FIG. 8 is a front view and a side view of a conventional chemical solution supply tool.
9 is an exploded view of the chemical liquid supply tool of FIG.
10 is a plan view and a side view of a chemical liquid supply member used in the chemical liquid supply tool of FIG. 8. FIG.
11 is an enlarged cross-sectional view of an adjustment member used in the chemical solution supply tool of FIG.
[Explanation of symbols]
1 Chemical container
11 mouth
2 Support
23 Guide members
231 Groove
24 Long legs
31 Discharge section
311 Discharge hole
321 Air circulation hole
34 Communication hole
S reservoir

Claims (3)

A chemical supply tool that is disposed in a hand wash section at the top of a water storage tank in a flush toilet and supplies the chemical liquid into the water storage tank together with water supplied to the hand wash section,
A chemical container containing a chemical solution and having a mouth formed at the lower end;
A support that supports the chemical container and is disposed on the hand-washing unit;
A discharge portion having a discharge hole for discharging the chemical solution flowing in through the mouth portion from the bottom side of the support;
A guide member that is in contact with or close to the discharge portion in the vicinity of the discharge hole and extends downward from the support so as to guide the chemical discharged from the discharge hole;
The support body includes a leg portion that is inserted into a drain outlet of the hand-washing portion, and the leg portion includes a shielding member that surrounds the guide member in the vicinity of the discharge hole ,
The guide member includes a plurality of groove portions through which a chemical solution flows, and the plurality of groove portions extend downward . A chemical supply tool that is disposed in a hand wash section at the top of a water storage tank in a flush toilet and supplies the chemical liquid into the water storage tank together with water supplied to the hand wash section,
A chemical container containing a chemical solution and having a mouth formed at the lower end;
A support that supports the chemical container and is disposed on the hand-washing unit;
A discharge portion having a discharge hole for discharging the chemical solution flowing in through the mouth portion from the bottom side of the support;
A guide member that is in contact with or close to the discharge portion in the vicinity of the discharge hole and extends downward from the support so as to guide the chemical discharged from the discharge hole;
The support body includes a leg portion that is inserted into a drain outlet of the hand-washing portion, and the leg portion includes a shielding member that surrounds the guide member in the vicinity of the discharge hole ,
A storage section surrounded by a bottom wall, a side wall, and an upper wall and forming a chamber separated from the discharge section; the storage section communicating with the drug solution container through the mouth; A chemical solution supply device having an air circulation hole that allows inflow of water. At least a portion of said guide member, the chemical liquid supply device according to claim 1 or 2 which is insertable into the drain port of the hand-washing section.

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