JPH0678857A - Ancillary device for structural body of liquid tank - Google Patents

Abstract

PURPOSE:To enable a user to do eating, drinking, reading and other things while taking a bath by disposing a structural member which prevents the contact with overflowing fluid or the liquid in a liquid tank in the upper part of the structural body of the liquid tank having a peripheral side wall surface part which allows the fluid to flow over or to put the fluid into an approximately overflowing level state. CONSTITUTION:The structural member 3 which can prevent the contact with the overflowing liquid or the contact with the liquid in the liquid tank is disposed in the upper part or other suitable positions of the structural body 1 of the liquid tank having the peripheral side wall surface member 2 capable of allowing the liquid to flow over or the structural body 1 of the liquid tank, etc., having the peripheral side wall surface part 2 not allowable the liquid to flow over but capable of putting the level of the liquid into the nearly overflowing level state. A mounting member 3 which is the structural member and supporting legs 4 thereof are formed and are mounted in the proper positions of the parts of the upper surface of the peripheral edge at the top end of the peripheral side wall surface part 2 of the structural body 1 of the liquid tank. The wetting of utensils 12, etc., mounted on the mounting member 3 is thus prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary device for a liquid tank structure, and more particularly to an auxiliary device such as a placing member for a bath structure that can be positioned on a bath.

[0002]

2. Description of the Related Art Conventionally, for a long time, in the bathroom, it has been practiced to wash the body outside the bathtub and take a bath in the bathtub to warm the body and promote blood circulation. Therefore, there is a bathroom only for bathing purposes, and for other purposes,
In fact, the bathroom has never been used. Further, in a Western-style bathtub or the like, since the overflow port is located below the overflow edge or the rim, there is a risk of getting wet even if the storage shelf or the bottom of the storage basket is located below the overflow edge or the rim on both sides. There wasn't. However, in Japanese-style bathtubs or Japanese-Western eclectic bathtubs, there are overflowing edges or rims on both sides of the bathtub, so
When bathing in the bathtub, there is a problem that the bathtub may be full and the hot water may overflow to the outside of the bathtub, making it difficult to use a storage shelf or a storage basket in a Western bathtub. However, no specific solution has been given to the problem. However, in the absence of a solution to such a problem, in recent years, life has become more diverse,
Along with this, how to use the bathroom is also changing, and in particular, watching TV while watching a bath, listening to music, reading a book, drinking a drink or eating while playing a bath, and playing a game. Then, in the bathroom, not only bathing but also matters other than bathing have been performed for a relatively long time.

[0003]

However, even if the shape of the bathtub provided in the bathroom is suitable for bathing in the bath to warm the body and promote blood circulation, The shape is not necessarily suitable for use for other purposes. Therefore, it is desirable to improve the overall shape of the bathtub to a shape suitable for multipurpose use of the bathtub, but it is a reality to improve the overall shape of the bathtub so as to meet all of those desires. It cannot be said to be a solution to specific problems. Therefore, the present invention is
It is an object of the present invention to provide an auxiliary device for a bathtub structure that can be used in the bathroom to perform other things while taking a bath as described above.

[0004]

According to the present invention, a liquid tank structure having a peripheral side wall surface portion capable of overflow or a liquid tank structure which is prevented from overflowing can bring the liquid level to a state close to the overflow level. A structural member capable of preventing contact with the overflow liquid or contact with the liquid in the liquid tank at the upper portion of the liquid tank structure such as the liquid tank structure having the peripheral side wall surface or at another appropriate position. Is an auxiliary device for a liquid tank structure, in which

[0005]

The present invention prevents contact with the overflow liquid or contact with the liquid in the liquid tank at the upper portion of the liquid tank structure having the peripheral side wall surface portion capable of overflowing or at another suitable position. Since it is an auxiliary device for a liquid tank structure that is provided with a horizontally or upwardly projecting net-like, shelf-like, or lattice-like mounting structure member, the liquid level in the liquid tank rises. Even if it overflows or is about to overflow, it does not wet the articles on the stationary structural member. In addition, the present invention is designed so that the overflow liquid is provided at the upper portion of the liquid tank structure having a peripheral side wall surface portion capable of making the level of the liquid almost close to the overflow level or at another suitable position, while preventing the overflow liquid. For a liquid tank structure in which a horizontal or upward projecting net-like structure, a shelf-like structure, or a lattice-like mountable structure member that can prevent the liquid from contacting the liquid or the liquid in the liquid tank is disposed. Since it is an accessory device, even if the liquid level in the liquid tank rises, it does not come into contact with the equipment on the mountable structural member and does not wet the equipment. The present invention also provides a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid having a peripheral side wall surface portion capable of making the level of the liquid nearly close to the overflow level, while preventing the overflow. Do not allow fluids such as water or air that may not come into contact with the overflow liquid or may come into contact with the liquid in the liquid tank, not to pass above the liquid tank structure such as the tank structure or at other appropriate positions. Since it is an auxiliary device for a liquid tank structure in which a structural member made of a material is arranged, even if there is a risk of contact with the liquid in the liquid tank, a structure of a material that does not allow passage of a fluid such as water or air The member may prevent the passage of fluid such as water or air. The present invention also provides a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid having a peripheral side wall surface portion capable of making the level of the liquid nearly close to the overflow level, while preventing the overflow. The upper part of the liquid tank structure such as the tank structure or any other suitable position should be prevented from coming into contact with the overflowing liquid or from being brought into contact with the liquid in the liquid tank, and such as water or air. Since the auxiliary device for a liquid tank structure is provided with a structural member having openings such as through holes, nets, and lattices through which a fluid can pass, it can be easily washed when it becomes dirty in the course of its use. The present invention also provides a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid having a peripheral side wall surface portion capable of making the level of the liquid nearly close to the overflow level, while preventing the overflow. At the top of the liquid tank structure such as the tank structure or at any other suitable position, it may be prevented from contacting the overflow liquid or contacting the liquid in the liquid tank and at least the width of the liquid tank structure. Since it is an auxiliary device for a liquid tank structure, which is provided with a structural member having a fixing structural portion that cannot move in the direction,
Due to the fixing structural part of the structural member having the fixing structural part, it cannot move at least in the width direction, and it is difficult to disengage it at the same time. Further, according to the present invention, the liquid tank structure having the peripheral side wall surface portion capable of overflow or the overflow port is provided so as not to overflow, but the level of the liquid in the liquid tank is set to a state close to the overflow level. The upper part of the liquid tank structure such as the liquid tank structure having a permissible side wall surface part or other suitable position may be prevented from contacting the overflow liquid or contacting the liquid in the liquid tank. Since it is an auxiliary device for a liquid tank structure in which a structural member including an auxiliary member for a liquid tank structure is provided with a movement preventing member such as a locking projection, a suction cup, or a detachable movement preventing device, it is provided in the device. The movement preventing member can surely prevent movement of the device. Further, according to the present invention, a liquid tank structure having a peripheral side wall surface portion capable of overflowing or a peripheral side wall surface capable of making the level of the liquid in the liquid tank substantially close to the overflow level is provided so as not to overflow. An end of a mounting member that can be prevented from coming into contact with the overflow liquid or from coming into contact with the liquid in the liquid tank at an upper portion of the liquid tank structure such as a liquid tank structure having a portion or at another appropriate position. For a liquid tank structure in which a supporting leg of the mounting member is projectingly provided on the portion, and a part or all of the supporting leg of the mounting member can be expanded and contracted in a horizontal direction, a vertical direction, or another direction. Since it is an accessory device, it can be easily adapted to the size such as the width of the liquid tank by expanding or contracting part or all of the support legs of the mounting member. Further, according to the present invention, the placing member and its supporting leg are formed of metal, synthetic resin, wood, bamboo or other suitable material, and the supporting leg of the placing member is provided on the peripheral side of the liquid tank structure. It is placed at an appropriate position on the upper surface portion of the peripheral edge portion of the upper end of the wall surface portion, and the position of the bottom upper surface portion of the bottom structural portion of the mounting member is set to the peripheral edge portion of the upper end portion of the peripheral side wall surface portion of the liquid tank structure. Since it is an auxiliary device for a liquid tank structure that is placed higher than the upper surface part so as to prevent the object placed on the placing member from getting wet, it can be used in various states, foods, documents in any state. When such items are placed on the placing member, those articles, foods, documents, etc. can be prevented from getting wet.

[0006]

First Embodiment The present invention prevents the overflow liquid from coming into contact with the top of a bathtub structure having a peripheral side wall surface portion capable of overflowing, or any other suitable position so as not to come into contact with the liquid in the bathtub. It is an attachment device for bathtub structures, which is provided with a mountable structural member.

[0007]

[Embodiment 2] According to the present invention, the overflow is made to the upper portion of the bathtub structure having a peripheral side wall surface portion which can prevent the liquid from overflowing but to bring the level of the liquid to a state close to the overflow level, or other appropriate position. It is an auxiliary device for a bathtub structure, which is provided with a mountable structural member that can prevent the liquid from coming into contact with the liquid or the liquid in the bath.

[0008]

Third Embodiment The present invention prevents the overflow liquid from coming into contact with the overflowing liquid or the liquid in the bathtub at the upper portion of the bathtub structure having a peripheral side wall surface portion capable of overflowing or at another suitable position. It is an attachment device for bathtub structure, which is provided with a mountable structural member such as a net-like shape, a shelf-like shape, or a grid-like structure that can be made into a shape.

[0009]

[Embodiment 4] According to the present invention, the overflow is provided at the upper portion of the bathtub structure having a peripheral side wall surface portion which can prevent the liquid from overflowing but can bring the level of the liquid almost close to the overflow level, or at another suitable position. It is an auxiliary device for a bathtub structure provided with a mountable structural member such as a net, a shelf, or a lattice that can prevent the liquid from coming into contact with the flowing liquid or the liquid in the bath.

[0010]

[Embodiment 5] The present invention prevents the overflow liquid from coming into contact with the overflow liquid or the liquid in the bath at an upper portion of the bathtub structure having a peripheral side wall surface portion capable of overflow and at other appropriate positions. It is an auxiliary device for bathtub structure, which is provided with a horizontal or upward projecting net-like structure, a shelf-like structure, a lattice-like mounting structure member, or the like.

[0011]

Sixth Embodiment According to the present invention, the overflow is provided at the upper portion of the bathtub structure having a peripheral side wall surface portion capable of making the liquid level almost close to the overflow level, or at another suitable position, while preventing the overflow. For a bathtub structure provided with a horizontally or upwardly projecting net-like, shelf-like, or lattice-like mounting type structural member that can prevent the liquid from coming into contact with the flowing liquid or the liquid in the bath It is an accessory device.

[0012]

[Embodiment 7] According to the present invention, a bathtub structure having a peripheral side wall surface portion capable of overflowing or a peripheral side wall surface portion capable of keeping the liquid level substantially close to the overflow level is provided. A material that does not allow passage of a fluid such as water or air that does not come into contact with the overflow liquid or does not come into contact with the liquid in the bath at the upper portion of the bath structure such as the bath structure or the like, or at another suitable position. It is an auxiliary device for a bathtub structure which is provided with the structural member.

[0013]

[Embodiment 8] According to the present invention, there is provided a bathtub structure having a peripheral side wall surface portion capable of overflowing, or a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level although the bath structure is prevented from overflowing. A liquid such as water or air is provided so as not to come into contact with the overflow liquid or to come into contact with the liquid in the bathtub at an upper portion of the bathtub structure such as the owning bathtub structure or other appropriate position. It is an accessory device for a bathtub structure, which is provided with a structural member having openings such as through holes, nets, and lattices that allow passage of water.

[0014]

[Embodiment 9] According to the present invention, a bathtub structure having a peripheral side wall surface portion capable of overflowing, or a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level is provided so as not to overflow. At the upper part of the bathtub structure such as the bathtub structure or the like, or at another suitable position, the liquid may be prevented from coming into contact with the overflow liquid or the liquid in the bathtub and at least in the width direction of the bathtub structure. It is an auxiliary device for a bathtub structure, in which a structural member having a fixing structural portion that is immovable is disposed.

[0015]

[Embodiment 10] According to the present invention, a bathtub structure having a peripheral side wall surface portion capable of overflowing is provided, or a peripheral side capable of keeping the liquid level in the bathtub substantially close to the overflow level, while preventing the overflowing. At the top of the bathtub structure such as a bathtub structure having a wall surface portion or at another appropriate position, an attachment member for a bathtub structure that can prevent contact with overflow liquid or contact with liquid in the bathtub is provided. An attachment device for a bathtub structure, in which a structural member including a locking protrusion, a suction cup, or a movement prevention member such as a removable movement prevention device is provided.

[0016]

[Embodiment 11] According to the present invention, a bathtub structure having a peripheral side wall surface portion capable of overflowing is provided, or a peripheral side capable of keeping the liquid level in the bathtub substantially close to the overflow level, while preventing the overflowing. At the top of the bathtub structure, such as a bathtub structure having a wall surface portion, or at another suitable position, at the end of a mounting member that can prevent contact with overflow liquid or contact with liquid in the bathtub. An attachment device for a bathtub structure in which a supporting leg of the mounting member is provided so as to project and a part or all of the supporting leg of the mounting member can be expanded or contracted in a horizontal direction, a vertical direction, or another direction. is there.

[0017]

[Embodiment 12] In the present invention, the placing member and its supporting legs are made of metal, synthetic resin, wood, bamboo or other suitable material, and the supporting leg portion of the placing member is used for the bath structure. It is placed at an appropriate position on the upper surface of the peripheral edge portion of the upper end of the peripheral side wall surface portion, and the position of the bottom upper surface portion of the bottom structural portion of the mounting member is set to the peripheral edge portion of the upper end of the peripheral side wall surface portion of the bath structure. Is an auxiliary device for a bathtub structure, which is arranged at a position higher than the upper surface of the above so as to prevent the one placed on the placing member from getting wet.

[0018]

The present invention prevents the overflow liquid from coming into contact with the liquid in the liquid tank, or the liquid in the liquid tank, at the upper portion of the liquid tank structure having the peripheral side wall surface portion capable of overflowing, or at another appropriate position. Since it is an auxiliary device for a liquid tank structure that is provided with a horizontally or upwardly projecting net-like, shelf-like, or lattice-like mountable structural member, the liquid in the liquid tank overflows or overflows. Even if it is on the verge of being on the table, there is an effect that the articles on the mounted structural member are not wetted. In addition, the present invention is designed so that the overflow liquid is provided at the upper portion of the liquid tank structure having a peripheral side wall surface portion capable of making the level of the liquid almost close to the overflow level or at another suitable position, while preventing the overflow liquid. For a liquid tank structure in which a horizontal or upward projecting net-like structure, a shelf-like structure, or a lattice-like mountable structure member that can prevent the liquid from contacting the liquid or the liquid in the liquid tank is disposed. Since it is an accessory device, even if the liquid level in the liquid tank rises, there is an effect that it does not come into contact with the equipment on the mountable structural member and does not wet the equipment. The present invention also provides a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid having a peripheral side wall surface portion capable of making the level of the liquid nearly close to the overflow level, while preventing the overflow. Do not allow fluids such as water or air that may not come into contact with the overflow liquid or may come into contact with the liquid in the liquid tank, not to pass above the liquid tank structure such as the tank structure or at other appropriate positions. Since it is an auxiliary device for a liquid tank structure in which a structural member made of a material is arranged, even if there is a risk of contact with the liquid in the liquid tank, a structure of a material that does not allow passage of a fluid such as water or air There is an effect that a fluid such as water or air can be prevented from passing by a member. The present invention also provides a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid having a peripheral side wall surface portion capable of making the level of the liquid nearly close to the overflow level, while preventing the overflow. The upper part of the liquid tank structure such as the tank structure or any other suitable position should be prevented from coming into contact with the overflowing liquid or from being brought into contact with the liquid in the liquid tank, and such as water or air. Since it is an auxiliary device for a liquid tank structure that is provided with a structural member having openings such as through holes, nets, and lattices that allow passage of fluid, it can be easily washed when it becomes dirty in the process of use. There is. Also,
The present invention relates to a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid tank structure having a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level while preventing the overflow. At the top of the liquid tank structure such as the body or at other suitable position, it is possible to prevent the overflow liquid from coming into contact with the liquid in the liquid tank, and at least the width direction of the liquid tank structure. Since it is an auxiliary device for a liquid tank structure in which a structural member having a fixing structural portion that cannot be moved is disposed, at least the fixing structural portion of the structural member having the fixing structural portion ,
It has the effect that it cannot move in the width direction and it is difficult to disengage it. Further, in the present invention, a liquid tank structure having a solid side wall surface portion capable of overflow or an overflow port is provided so as not to overflow, but the level of the liquid in the liquid tank is set to a state close to the overflow level. At the upper part of the liquid tank structure such as a liquid tank structure having a peripheral side wall surface portion that can be made, or at another appropriate position,
Movement of locking projections or suction cups or removable movement preventive devices to structural members including liquid tank structure attachment members that can prevent contact with overflow liquid or liquid in liquid tank Since the liquid tank structure auxiliary device is provided with the prevention member, the movement prevention member provided in the device has an effect of reliably preventing the movement of the device. Further, according to the present invention, a liquid tank structure having a peripheral side wall surface portion capable of overflowing or a peripheral side wall surface capable of making the level of the liquid in the liquid tank substantially close to the overflow level is provided so as not to overflow. An end of a mounting member that can be prevented from coming into contact with the overflow liquid or from coming into contact with the liquid in the liquid tank at an upper portion of the liquid tank structure such as a liquid tank structure having a portion or at another appropriate position. For a liquid tank structure in which a supporting leg of the mounting member is projectingly provided on the portion, and a part or all of the supporting leg of the mounting member can be expanded and contracted in a horizontal direction, a vertical direction, or another direction. Since it is an accessory device, there is an effect that it can be easily adapted to the size such as the width of the liquid tank by expanding or contracting part or all of the support legs of the mounting member. Further, the accessory device for a liquid tank structure of the present invention forms a mounting member and its supporting legs from metal, synthetic resin, wood, bamboo or other appropriate material,
The support leg portion of the placing member is placed at an appropriate position on the upper surface of the same edge portion at the upper end of the peripheral side wall surface portion of the liquid tank structure, and the bottom upper surface portion of the bottom structural portion of the placing member is placed. Since the position is set higher than that of the upper surface of the peripheral edge of the peripheral side wall surface of the liquid tank structure so as not to get wet with the one placed on the placing member, in any state. There is an effect that various objects, foods, documents, and other objects to be placed can be placed on the mounting member to prevent those objects, foods, documents, and the like from getting wet. In particular, the field of use of the liquid tank structure attachment device of the present invention is diverse and can be used for various things. Among them, a book holder with a page holder for reading or other reading equipment is used. There is an effect that it can be incorporated into the device of the invention or integrated to obtain an interest other than bathing.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of an embodiment showing a usage state of an auxiliary device for a liquid tank structure according to the present invention.

2 is a perspective view of another embodiment different from the liquid tank structure attachment device of the present invention shown in FIG. 1. FIG.

FIG. 3 is a perspective view of an embodiment different from the liquid tank structure auxiliary device of the present invention shown in FIGS. 1 and 2.

FIG. 4 is a perspective view of another embodiment different from the accessory device for a liquid tank structure of the present invention shown in FIGS. 1, 2 and 3.

FIG. 5 is a perspective view of another embodiment different from the accessory device for a liquid tank structure of the present invention shown in FIGS. 1, 2, 3, and 4.

FIG. 6 is a view showing that the bottom lower end portion and the bottom upper end portion of the bottom structural portion of the mounting member, which is a main part of the liquid tank structure attachment device of the present invention, are relative to the upper surface portion of the peripheral edge portion of the liquid tank upper end. It is a conceptual diagram showing a vertical positional relationship.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Liquid tank structure 2 Peripheral side wall surface part of liquid tank structure 3 Mounting member 4 Support leg part of mounting member 5 Stretching part of support leg of mounting member 6 Bottom structure part of mounting member 7 Projection type movement Preventing member 8 Bottom upper end portion of bottom structure portion 9 Sucker-type movement preventing member 10 Bottom bottom end portion of bottom structure portion 11 Upper surface portion of the peripheral portion of the upper end of the liquid tank 12 Placed objects such as food, food and documents

Claims (13)

[Claims] 1. A liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid tank having a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level while being prevented from overflowing. A liquid tank in which a structural member that prevents contact with the overflow liquid or liquid in the liquid tank is provided on the liquid tank structure such as a structure or at another appropriate position. Ancillary equipment for structures. 2. An upper portion of a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or another appropriate position, so as not to contact the overflowing liquid or to contact the liquid in the liquid tank. The auxiliary device for a liquid tank structure according to claim 1, further comprising a mountable structural member. 3. The overflow liquid is brought into contact with an upper portion of a liquid tank structure having a peripheral side wall surface portion capable of making the liquid level almost close to the overflow level while preventing the overflow liquid or at another suitable position. The attachment device for a liquid tank structure according to claim 1, further comprising: a mountable structural member that can be prevented from contacting with the liquid in the liquid tank. 4. An upper portion of a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or another suitable position is provided so as not to come into contact with the overflow liquid or to come into contact with the liquid in the liquid tank. The auxiliary device for a liquid tank structure according to claim 1, wherein a mountable structural member having a net shape, a shelf shape, or a lattice shape is disposed. 5. An upper portion of a liquid tank structure having a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level while preventing the overflow, or at another suitable position,
2. The liquid tank structure according to claim 1, wherein a mountable structural member having a net shape, a shelf shape, or a lattice shape is provided so as not to come into contact with the overflow liquid or to come into contact with the liquid in the liquid tank. Body accessory. 6. An upper portion of a liquid tank structure having a peripheral side wall surface portion capable of overflowing, or another suitable position is provided so as not to come into contact with the overflow liquid or to come into contact with the liquid in the liquid tank. The auxiliary device for a liquid tank structure according to claim 1, wherein a mountable structural member having a horizontal or upward protruding net shape, a shelf shape, or a lattice shape is provided. 7. An upper portion of a liquid tank structure having a peripheral side wall surface portion which can prevent a liquid from overflowing but can bring a liquid level to a state close to the overflow level, or at another appropriate position,
A mountable structural member, such as a net-like, shelf-like, or lattice-like structure, which horizontally or upwardly protrudes so as to prevent contact with the overflow liquid or contact with the liquid in the liquid tank. The auxiliary device for a liquid tank structure according to 1. 8. A liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid tank having a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level while being prevented from overflowing. A material that does not allow passage of fluid such as water or air that can prevent contact with overflow liquid or contact with liquid in the liquid tank at the top of the liquid tank structure such as the structure or at other appropriate positions. The auxiliary device for a liquid tank structure according to claim 1, wherein the structural member is provided. 9. A liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a liquid tank having a peripheral side wall surface portion capable of keeping a liquid level substantially close to the overflow level while being prevented from overflowing. A liquid tank structure such as a structure should be prevented from coming into contact with the overflowing liquid at the upper portion or other appropriate position, or from being brought into contact with the liquid in the liquid tank, and a fluid such as water or air. Through holes, nets,
The auxiliary device for liquid tank structure according to claim 1, wherein a structural member having an opening such as a lattice is arranged. 10. A liquid tank structure having the same side wall surface part capable of overflowing, or a liquid tank having a peripheral side wall surface part capable of keeping a liquid level substantially close to the overflow level while being prevented from overflowing. At the top of the liquid tank structure such as a structure or at other suitable position, it is possible to prevent the overflow liquid from coming into contact with the liquid in the liquid tank and at least the width direction of the liquid tank structure. The auxiliary device for a liquid tank structure according to claim 1, further comprising a structural member having a fixing structural portion that is immovable in the interior. 11. A liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a peripheral side wall surface portion capable of keeping a liquid level in the liquid tank substantially close to the overflow level while preventing the liquid from overflowing. A liquid tank structure attachment capable of preventing contact with overflow liquid or contact with liquid in a liquid tank at an upper portion of a liquid tank structure such as a liquid tank structure having The accessory device for a liquid tank structure according to claim 1, wherein the structural member including the member is provided with a locking projection, a suction cup, or a movement prevention member such as a removable movement prevention device. 12. A liquid tank structure having a peripheral side wall surface portion capable of overflowing, or a peripheral side wall surface portion capable of keeping a liquid level in the liquid tank substantially close to the overflow level although it is made not to overflow. The end of the mounting member that can prevent the overflow liquid from coming into contact with the liquid in the liquid tank or the liquid in the liquid tank at the upper portion of the liquid tank structure such as the liquid tank structure having the The liquid according to claim 1, wherein a supporting leg of the mounting member is provided so as to project, and part or all of the supporting leg of the mounting member can be expanded and contracted in a horizontal direction, a vertical direction, or another direction. Auxiliary device for tank structure. 13. A mounting member and its supporting legs are formed of metal, synthetic resin, wood, bamboo or other suitable material, and the supporting legs of the mounting member are formed on the side wall surface of the liquid tank structure. The bottom surface of the bottom structure portion of the mounting member is placed at an appropriate position on the top surface of the peripheral edge of the upper end of the portion, and the position of the bottom top surface of the bottom structural portion of the mounting member is set to the top surface of the peripheral edge of the upper end of the same side wall surface portion of the liquid tank structure 2. The accessory device for a liquid tank structure according to claim 1, wherein the accessory placed on the placing member is set to a position higher than the portion so as not to get wet.