JP2009189361A - Fashion aquarium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fashion aquarium capable of producing various favorite display effects by enabling various applications and decorations of a closed aquarium and a lower aquarium and capable of readily and simply practicing change of water, cleaning of aquarium and change of fishes, capable of readily practicing feeding of bait at an arbitrary period, capable of freely carrying out supply of water and having excellent effects not taking time. <P>SOLUTION: The fashion aquarium is characterized in that a closed aquarium 202 is provided so that a lower communicating part 201 can be immersed into water of an air-open type aquarium 100 and enables lifting and lowering movement or lifting and lowering movement and horizontal movement, and an air vent port 801 is provided in an upper wall or upper sidewall of the closed aquarium 202 and an openable body such as an openable stopper, an openable valve 804 or an openable lid for restricting entrance and exit from the air bent port 801 is installed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a fashion aquarium for appreciation fish.

There exists patent document 1 as a conventionally well-known example of the tank for appreciation fish. The contents of the aquarium for appreciation fish introduced in Patent Document 1 are introduced as they are.
With regard to the external shape of the appreciation fish tank, various ideas have been devised, and various shapes such as rectangles and spheres are commercially available. However, the water surface has only one surface of the same height, so it can be said that it is a water tank of Heike. In rare cases, if you go to a place like an aquarium, you may also see an aquarium with a change in the water surface, such as an arch, but this is a fairly large device and it is not very enjoyable for ordinary households. .

Therefore, by adding unevenness to the water surface of a conventional aquarium, a sight that has not been seen until now, for example, fish freely swim between the upper and lower aquariums, and in some cases, like swimming in the air of fish As shown in FIG. 6, an attempt is made to provide a scene to an observer. As shown in FIG. 6, a hollow pipe (3) having an arbitrary shape is installed on the bottom of the sealed water tank (4), and the pipe (3 ) Is introduced so that the lower end portion (5) of the lower water tank (1) sealed with the top plate (2) passes through the top plate (2). In this device, when water is poured gently into the sealed water tank (4), the water connects the pipe (3), enters the lower water tank (1), and then the lower end (5) of the pipe (3) is buried in water. Let If water continues to be poured, the water leaves the air layer (6) of the lower aquarium (1), rises up the pipe (3), and is stored in the sealed aquarium (4) to complete the two-story water tank.
Japanese Utility Model Publication No. 07-7416

However, the two-story water tank introduced in Patent Document 1 has the following problems.
(1) The bait is fed only from the open end of the closed water tank (4). For this reason, when the lower water tank is used as a parent fish room and the sealed water tank is used as a baby room for young fish, it is difficult to supply food to the parent fish.
(2) Since there is a top plate, the closed water tank (4) cannot be moved in any three-dimensional position such as up and down or horizontally.
(3) Since the water supply is only from a small sealed water tank (4), it takes time.
(4) Replacing water, cleaning the water tank, and replacing the fish are complicated, such as emptying the sealed water tank (4) and then removing it from the top board, removing the top board from the lower water tank, and emptying the lower water tank. It is very difficult and time consuming.
(5) Supply of oxygen, air, etc. to the lower tank is possible only from below the pipe (3).

(1) A closed water tank is provided in an open-air water tank so that the lower communicating portion can be immersed in the water so as to be movable up and down, or movable up and down and horizontally movable, and the upper wall of the sealed water tank Alternatively, a fashion aquarium characterized in that an air vent is provided in the upper side wall and an open / close body such as an open / close valve, an open / close valve, and an open / close lid is provided to restrict the air from entering and exiting from the air vent.
(2) A closed water tank is provided in an open-air water tank so that the lower communicating portion can be immersed in the water so that it can be moved up and down, or can be moved up and down and horizontally movable, and the upper wall of the sealed water tank Or the fashion water tank which provided the air vent in the upper part of the side wall, and installed the opening-and-closing lid which opens and closes the said air vent in the differential pressure | voltage outside.
(3) A closed water tank is provided in an open-air water tank so that the lower communicating portion can be immersed in the water so as to be movable up and down, or movable up and down and horizontally movable, and the upper wall of the sealed water tank Alternatively, an air vent is provided in the upper part of the side wall, an open / close lid that opens and closes the air outlet is provided with a differential pressure on the outside, and a water inflow port and an open / close lid that opens and closes the differential pressure on the outside are provided on the lower side wall. A fashion tank.
(4) A closed water tank formed by forming a communicating part in the lower part of the open-air lower water tank and equipped with a supporting stepladder is immersed so as to be movable up and down and horizontally, and the upper wall or upper side wall of the sealed water tank Has a vent hole, a suction pipe is connected to the vent hole, and a suction pump is connected to the suction pipe via an open / close valve.

The fashion water tank of the present invention exhibits the following excellent effects due to the above configuration.
(1) Since there is no sealing top plate in the lower water tank, the upper water tank can be moved to any three-dimensional position such as up and down or horizontal. For this reason, the upper water tank and the lower water tank can be used for various uses, inter-tank layouts and interior decorations, and various display effects can be produced.
(2) Water replacement, water tank cleaning, and fish replacement can be easily and easily carried out at the same time or separately in the upper water tank and the lower water tank, and it does not take time.
(3) The feed is supplied from the air vent of the upper water tank and from the upper end open part of the lower water tank. For this reason, when the lower water tank is used as a parent fish room and the upper water tank is used as a baby room for young fish, the supply of food to the parent fish can be easily performed at any time.
(4) The replenishment of water can be freely made from the air vent of the small upper water tank from the upper open end of the lower water tank, and it does not take much time.
(5) Supply of oxygen, air, etc. to the lower water tank can be carried out freely from a position other than directly below the communicating part of the sealed water tank.

In the fashion tank of (1) of the present invention, after the water including the amount of water for the sealed water tank is put into the open lower tank, the sealed water tank is emptied and the air vent is opened to open the water in the lower tank. Immerse the communicating part into the water tank, introduce the required amount of water into the sealed water tank, then close the air vent and move the sealed water tank upward by a predetermined amount, and then move it horizontally to a predetermined position in some cases. Complete the aquarium setting with a fixed setting tool.
In this process, the display operation in the aquarium can be performed at an arbitrary timing.
The sealed water tank has a frustum shape, a truncated pyramid shape, or an inverted frustum shape thereof, a box shape, a sphere shape, a rocket shape, a star shape, a cylindrical shape, or the like.
Further, the communication portion provided on the lower side wall or bottom of the sealed water tank may be an extension of the upper shape, or a cylinder such as a cylinder or a square tube, a tube such as an oblique tube, a bent tube or a vertical tube, or a maze. Form on the body.
The air vent is provided with a screwing plug, a fitting plug or the like so that it can be opened and closed.
The fashion water tank of (2) of the present invention is provided with an open / close lid in place of the screw plug and fitting plug of (1) above, and the amount of water for the sealed water tank is set in the lower open water tank. After putting the contained amount of water, the sealed water tank is emptied and the communicating part is immersed in the water of the lower water tank and lowered by a predetermined amount. In this immersion process, the opening / closing lid of the air vent provided on the upper wall or upper side wall of the sealed water tank releases the differential pressure, and the required amount of water is introduced into the sealed water tank. Thereafter, when the sealed water tank is moved up by a predetermined amount, the open / close lid of the air vent is closed by the reverse differential pressure phenomenon in this process, and the amount of water in the sealed water tank is maintained. Thereafter, in some cases, the water tank is moved horizontally to a predetermined position, the position is fixed, and the water tank setting is completed.
In this process, the display operation in the aquarium can be performed at an arbitrary timing.
The open / close lid that opens and closes the air vent at a differential pressure is made to be an open / close lid system that can be freely opened to the outside with a water tank pressure higher than atmospheric pressure and closed in a sealed state with a water tank air pressure lower than atmospheric pressure. Thus, the inflow of water into the sealed water tank can be carried out easily and in a short time as compared with the air vent of (1) above.
The fashion water tank of (3) of the present invention has a structure in which the opening / closing lid of (2) above is incorporated in the air vent and a water inflow port and its opening / closing lid are added. After the amount of water including the amount of water is added, the sealed water tank is emptied, and the communicating part is immersed in the water of the lower tank and lowered by a predetermined amount, so that the air vent provided on the upper wall or upper side wall of the sealed water tank The open / close lid opens to the outside with a differential pressure, and the open / close lid at the water inlet provided on the side wall of the tank opens to the differential pressure to introduce the required amount of water into the sealed water tank. After that, by moving the sealed water tank up by a predetermined amount, the pressure relation in the sealed water tank is reversed in the process, the open / close lid of the water inlet is closed with reverse differential pressure, and the open / close lid of the air vent is closed with reverse differential pressure, Seal the water tank and maintain the amount of water. Thereafter, in some cases, the water tank is moved horizontally to a predetermined position, the position is fixed, and the water tank setting is completed.
In this process, the display operation in the aquarium can be performed at an arbitrary timing.
When the water inlet / outlet lid is arranged in the height direction of the side wall of the sealed water tank and is immersed in the water in the lower water tank, when the air pressure in the closed water tank becomes high, the open / close lid can be freely opened to the outside. The water can flow into the sealed water tank, and after the water has flowed in and after being set in place, the inlet is closed by the suction force of gravity applied to the downward direction of the water in the sealed water tank. Use an open / close lid system that closes in a sealed state.
Thus, inflow of water into the sealed water tank can be easily carried out in a short time in accordance with the immersion depth as compared with the air vents of (1) and (2) above.
The closed water tank of each upper fashion water tank is supported by an elevating mechanism or a horizontal movement mechanism in addition to providing an appropriate base at the water tank setting position or fixing it with an appropriate setting tool. Thus, as the lifting mechanism of the sealed water tank, a spring-type lifting / lowering guide mechanism is used, and the position is maintained by the spring force at the set position in the upper and lower guides. The immersion in the lower water tank of the sealed water tank pushes the sealed water tank downward and the spring After this is completed, it is lifted to the set position by spring force only by releasing the hand from the sealed water tank.
In addition to the above, the lifting / lowering mechanism of the sealed water tank is equipped with an open / closed guide with a lowering stopper and a counterweight type lifting / lowering mechanism, an electric motor-type lifting mechanism, and a weight fixed in the sealed water tank. Other appropriate known lifting mechanisms such as a lifting rope type lifting mechanism may be employed.
Further, the horizontal movement mechanism of the sealed water tank holds the upper and lower guide mechanisms of the above-described lifting mechanism and moves at least the lower communication part freely in the horizontal horizontal direction, horizontal vertical direction, etc. within the water surface range of the lower water tank. A known horizontal movement mechanism such as a traveling mechanism or a simple manual traveling carriage mechanism may be employed.
The fashion aquarium of (4) of the present invention comprises a closed aquarium in which a communicating portion is formed in the lower part of the open bottom aquarium, and a supporting stepladder is mounted, so that the aquarium can be moved up and down and horizontally moved. This is a simple configuration in which an air vent is provided in the upper wall or upper side of the water tank, a suction pipe is connected to the air vent, and a suction pump is connected to the suction pipe via an open / close valve. is there.
Moreover, the fashion water tank of this invention can be comprised combining the structure of said each example suitably.

1. Example 1
The fashion water tank of Example 1 shown in FIG. 1 has a very simple configuration, and a rectangular parallelepiped sealed water tank 200 and a spherical sealed water tank 200-2 are introduced as the sealed water tank.
In the lower water tank 100 that is open to the atmosphere, the lower communication parts 201 and 201-2 of the sealed water tanks 200 and 200-2 are immersed in the water so as to be freely movable up and down. It is placed and supported by a support guide mechanism provided on the upper beam frame 110 of the water tank 100. Although not shown, a support frame stand standing on the bottom of the lower water tank 100 may be used.
The support guide mechanism of the sealed water tank 200 is provided with a pressing-type horizontal guide 120 (not shown) on the upper beam frame 110, but with a spring or the like, and the guide plate 221 of the key-shaped support base 220 is horizontally slid to the guide groove 121. Normally, the sealed water tank 200 is supported at the four corners of the bottom by a key-shaped support base 220, and when it is lowered, the key-shaped support base 220 is moved outward against the spring. After sliding to release support. The support guide mechanism of the sealed water tank 200-2 is such that the bottom support 220-2 is attached to the upper beam frame 110 so that the slide support can be moved horizontally.
The sealed water tanks 200 and 200-2 are provided with air vents 701 and 701-2 on the upper walls 202 and 202-2 of the sealed water tank 200, and screwed plugs 702 and 702 from the outside to the air vents 701 and 701-2. 2 is opened and closed.
<Example of steps used>
(1) An amount of water including the amount of stored water for the sealed water tanks 200 and 200-2 flows into the lower water tank 100 that is open to the atmosphere from the open upper end of the lower water tank 100.
(2) After that, the support bases 220 and 220-2 are horizontally slid to both sides to release the bottom support, and the screw plugs 702 and 702-2 are removed from the air vents 701 and 701-2 to open the airtight seal. The water tanks 200 and 200-2 are gradually lowered and immersed in the water of the lower water tank 100 from the communication portions 201 and 201-2, and a necessary amount of water is introduced into the sealed water tanks 200 and 200-2.
(3) Thereafter, the screw plugs 702 and 702-2 are screwed and closed to the air vents 701 and 701-2, and the sealed water tanks 200 and 200-2 are moved up and down to support the parts 220 and 220-2. Is moved upward and stopped at the support position at the bottom of the support bases 220 and 220-2. Thereafter, the support bases 220 and 220-2 are horizontally slid and moved to the support position at the bottom of the water tank to fix the position, thereby completing the sealed water tank setting.
(4) The aquarium display work is translated at an arbitrary timing in this process.
(5) To drain water from the sealed water tanks 200 and 200-2 or to change the water surface level down, remove the screw plugs 702 and 702-2 from the air vents 701 and 701-2 and adjust the opening to adjust the water in the tank. It can be carried out by the outside air flowing in from the air vents 701 and 701-2 by the negative pressure due to gravity.

2. Example 2
The fashion aquarium of Example 2 shown in FIG. 2 has a lower aquarium 100 that is open to the atmosphere, and a sealed aquarium 200 that can be moved up and down and horizontally moved by immersing the lower communication portion 201 in the water. An air vent 701 is provided in the upper wall 202 of the sealed water tank 200, and a screw plug 702 is installed in the air vent 701 so as to be openable and closable from the outside.
The raising / lowering mechanism of the sealed water tank 200 is a spring type raising / lowering / guide mechanism. This includes a vertical guide frame 302 that guides the vertical movement of the sealed water tank 200 with wheels 301, and a coil spring 303 in which the upper end is connected to the vertical guide frame 302 and the lower end is connected to a support angle 205 at the bottom of the sealed water tank 200. It is comprised by.
With this spring type lifting / lowering / guide mechanism, the position of the sealed water tank 200 shown in FIG. 1 is maintained by the suspension force due to the spring contraction force of the coil spring 303, and the sealed water tank 200 is immersed in the water in the lower water tank 100 together with the communication portion 201. To move, the sealed water tank 200 is pushed by a predetermined amount by hand, and the coil spring 303 is extended and moved downward.
Thereafter, the sealed water tank 200 is lifted up to the stopper 304 by the force of contraction from the extension of the coil spring 303 only by releasing the hand, and returns to the original height position shown in FIG.
The horizontal movement mechanism of the sealed water tank 200 is provided with a traveling wheel 402 that is driven and controlled by an electric traveling mechanism (not shown) on the upper arm 401 of the upper and lower guide frame 301 of the spring type lifting / guiding mechanism. A transverse guide rail 403 having a U-shaped cross-section for freely accommodating rolling contact is provided, and a support stand 404 that supports the transverse guide rail 403 and is detachably attached to the upper end edge of the lower water tank 100 with a screw fastening fitting 405 is provided. Become. This horizontal movement mechanism moves the horizontal water tank freely in the horizontal range within the water surface range of the lower water tank while holding the sealed water tank 200 by the upper and lower guide frames 301.
<Example of steps used>
(1) An amount of water including the amount of water accommodated for the sealed water tank 200 flows into the lower water tank 100 that is open to the atmosphere from the open upper end of the lower water tank 100.
(2) After that, the sealed water tank 200 that has been emptied and the screw plug 702 is removed from the air vent 701 and opened is gradually lowered and immersed in the water of the lower water tank 100 from the communicating portion 201, and is required in the sealed water tank 200. Introduce water volume.
(3) After that, the screw plug 702 is screwed into the air vent 701 and closed, and the sealed water tank 200 is moved upward by a predetermined amount, and then moved horizontally to a predetermined position to fix the position and set the sealed water tank. Complete.
(4) The aquarium display work is translated at an arbitrary timing in this process.
(5) Draining from the sealed water tank 200 can be carried out by allowing the outside air to flow in from the air vent 701 due to negative pressure due to the descent of the water in the tank if the screw plug 702 is removed from the air vent 701 and opened. .

3. Example 3
The fashion aquarium of Example 3 shown in FIG. 3 is equipped with a closed aquarium 200 that can be moved up and down and horizontally moved by immersing the lower communication portion 201 in the water in an open-air lower aquarium 100, A rectangular air vent 500 is provided in the upper wall 202 of the sealed water tank 200. When the air vent 500 is rotatably supported in the vicinity of one end edge of the rectangle and there is no pressure difference between the inside and the outside, its own weight is closed. Thus, an opening / closing lid 502 that is pushed up and released outward at a water tank pressure higher than the atmospheric pressure and opened and closed by its own weight when the water pressure inside the water tank is lower than the atmospheric pressure is brought into an airtight sealed state.
The opening / closing lid 502 is formed with a convex portion 503 in which a sealing material is adhered to a pressure-bonding portion with an outer peripheral edge of the air vent 500.
The up-and-down moving mechanism and the horizontal moving mechanism of the sealed water tank 200 are the same as those in the first specific example, and the description of the constituent actions is omitted.
<Example of steps used>
(1) An amount of water including the amount of water accommodated for the sealed water tank 200 flows into the lower water tank 100 that is open to the atmosphere from the open upper end of the lower water tank 100.
(2) Thereafter, the sealed water tank 200 that has been emptied is pushed down by hand, and is gradually dipped into the water of the lower water tank 100 by a predetermined amount from its communicating portion 201. As a result, the air pressure in the sealed water tank 200 is increased, the opening / closing lid 502 is slightly opened to the outside, and water flows in from the communication portion 201 while discharging the internal air from the air vent 500, thereby introducing a predetermined amount of water into the sealed water tank 200. .
(3) After that, when the hand is released from the sealed water tank 200, it moves upward by a predetermined amount to the stopper 305 and stops stationary. In the ascending process, the water level (head) in the sealed water tank 200 becomes higher than the water level in the lower water tank 100, and the air pressure in the upper part of the sealed water tank 200 is in a negative pressure state. At the time of this pressure change, the opening / closing lid 502 is closed and rotated by its own weight and suction force, and the surrounding convex portion 503 is crimped around the air vent 500 to be in a closed state, and the water level in the sealed water tank 200 is maintained. After that, it is moved horizontally to a predetermined position to fix the position and complete the sealed water tank setting.
(4) The aquarium display work may be translated at an arbitrary timing in this process.
(5) To drain water from the sealed water tank 200, open the open / close lid 502 by hand, or pull the arm 504 attached to the open / close lid 502 to open it so that outside air flows in due to the negative suction pressure in the tank. Can do.

4). Example 4
The fashion aquarium of Example 4 shown in FIG. 4 is equipped with a closed aquarium 200 that can be moved up and down and horizontally moved by immersing the lower communication portion 201 in the lower aquarium 100 that is open to the atmosphere. The upper wall 202 of the sealed water tank 200 is provided with the same air vent 500 and the open / close lid 502 as in the second embodiment, the water outlet 600 is provided on the side wall 203, and the water outlet 600 is near the inner upper edge thereof. When the internal pressure of the water tank is higher than the external pressure of the water tank, the pressure can be freely opened to the outside by the differential pressure. Is provided with an open / close lid 602 that can be opened and closed freely.
The opening / closing lid 602 has a convex portion 603 formed by adhering a sealing material to a crimping portion with a peripheral edge of the water outlet / inlet 600.
The raising / lowering moving mechanism and the horizontal moving mechanism of the sealed water tank 200 are the same as those of the second specific example, and the description of the configuration and operation thereof is omitted.
<Example of steps used>
(1) An amount of water including the amount of water accommodated for the sealed water tank 200 flows into the lower water tank 100 that is open to the atmosphere from the open upper end of the lower water tank 100.
(2) Thereafter, the sealed water tank 200 that has been emptied is gradually dipped into the water of the lower water tank 100 by a predetermined amount from its communicating portion 201. As a result, the air pressure in the sealed water tank 200 is increased, the opening / closing lid 502 is slightly opened outward, the internal air is discharged from the air vent 500, and the opening / closing lid 602 is opened to the side, and the inflow of water from the communicating portion 201 of the lower water tank 100. The predetermined amount of water is introduced into the sealed water tank 200 in a short time.
(3) After that, when the hand is released from the sealed water tank 200, it moves up by a predetermined amount and stops stationary.
In the ascending process, the water level (head) in the sealed water tank 200 becomes higher than the water level in the lower water tank 100, and the air pressure in the upper part of the sealed water tank 200 is in a negative pressure state. At the time of this pressure change, the open / close lid 502 is closed and rotated by its own weight, and the periphery of the open / close lid 502 is closed to the periphery of the air vent 500 by suction. At the same time, the closing plate 602 is closed to maintain the water level in the sealed water tank 200. After that, it is moved horizontally to a predetermined position, the position is fixed, and the sealed water tank setting is completed.
(4) The aquarium display work is translated at an arbitrary timing in this process.
(5) In order to drain water from the sealed water tank 200 to the lower water tank 100, if the open / close lid 502 is opened by hand or the arm 504 attached to the open / close lid 502 is pulled open, the outside air is caused to flow in by negative suction pressure in the tank. Can be implemented.

5. Example 5
The fashion water tank of Example 5 shown in FIG. 5 has a communicating part 201 formed in the lower part of the lower water tank 100 that is open to the atmosphere, and a sealed water tank 200 that is equipped with a supporting stepladder 300 can be moved up and down and moved horizontally. It is a simple soaked one.
An air vent 801 is provided in the upper wall 202 of the sealed water tank 200, a suction pipe 802 is connected to the air vent 801, a suction pump 803 is connected to the suction pipe 802, and an air release pipe 805 is provided in the middle of the suction pipe 802. The switching type on-off valve 804 is interposed.
As the pump 803, a commercially available piston / cylinder type, motor pump, or the like that is suitable for convenience can be selected and installed.
Further, the lower surface of the stepladder 300 is open, and a gate-shaped fish access opening 201S is formed on the side surface. If the pump 803 has a built-in on-off valve, the on-off valve 804 may be omitted, and air suction at this time may be performed by removing the suction pipe 802.
<Example of steps used>
(1) An amount of water including the amount of water accommodated for the sealed water tank 200 flows into the lower water tank 100 that is open to the atmosphere from the open upper end of the lower water tank 100.
(2) Thereafter, the sealed water tank 200 that has been emptied is gradually dipped from the stepladder 300 into the water of the lower water tank 100. In parallel with this immersion, the on-off valve 804 is sucked to operate the suction pump 803 to suck the air in the sealed water tank 200.
Thus, the air in the sealed water tank 200 is discharged from the air vent 500, and a predetermined amount of water in the lower water tank 100 is introduced into the sealed water tank 200 from the communication portion 201 in a short time.
(3) Thereafter, the suction pump 803 is stopped, the on-off valve 804 is closed, and the flow of air in the suction pipe 802 is stopped. Thereby, the water surface in the sealed water tank 200 is stopped and held at a position higher than the water level of the lower water tank 100.
(4) In order to drain the water from the sealed water tank 200 to the lower water tank 100, only the open / close valve 804 is switched to the atmosphere opening side, and outside air flows into the sealed water tank 200 from the atmosphere opening pipe 805, and the inside of the sealed water tank 200 is discharged. The water may be lowered by its own weight and flow back into the lower water tank 100.

  The fashion aquarium of the present invention enables various uses and decorations such as rearing fry in a closed aquarium and parent fish in a lower aquarium, or providing a net between a closed aquarium and a lower aquarium to separately breed different kinds of fish. It is possible to produce various display effects of your choice. Moreover, the replacement of water, the cleaning of the aquarium, and the replacement of fish can be carried out easily and simply in a short time. Furthermore, feeding can be easily performed at any time, and replenishment of water can be freely performed from the air vent of the small sealed water tank from the upper open part of the lower water tank, and has such excellent effects that it does not take time, etc. It greatly contributes to the display decoration industry and aquarium enthusiasts who also serve as breeders for tropical fish, goldfish, space medaka fish and reptiles.

It is side explanatory drawing which shows the specific example 1 of this invention. It is side explanatory drawing which shows the specific example 2 of this invention. It is side explanatory drawing which shows the specific example 3 of this invention. It is side explanatory drawing which shows the specific example 4 of this invention. It is side explanatory drawing which shows the specific example 5 of this invention. It is perspective explanatory drawing which shows a conventionally well-known two-story water tank.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Lower water tank 404 Support stand 200 Sealed water tank 502 Opening / closing lid 201 Communication part 600 Water outflow / inlet 302 Upper / lower guide frame 602 Open / close lid 303 Coil spring 701 Air vent 402 Traveling wheel 702 Threaded stopper 403 Traverse guide rail

Claims (4)

  A closed water tank is provided in an open-air water tank so that the lower communication part can be immersed in the water so that it can be moved up and down, or can be moved up and down and horizontally movable. A fashion aquarium characterized in that an air vent is provided and an open / close member such as an open / close valve, an open / close valve, and an open / close lid is provided to restrict air entering and exiting from the air vent.   A closed water tank is provided in an open air tank so that the lower communication part can be immersed in the water so that it can be moved up and down, or can be moved up and down and horizontally movable, and the upper wall or the upper side wall of the sealed water tank is provided. A fashion aquarium characterized in that an air vent is provided and an open / close lid is installed to open and close the air vent at a pressure difference outside the air vent.   A closed water tank is provided in an open air tank so that the lower communication part can be immersed in the water so that it can be moved up and down, or can be moved up and down and horizontally movable, and the upper wall or the upper side wall of the sealed water tank is provided. A fashion water tank provided with an air vent, an open / close lid that opens and closes the air vent at a pressure difference outside, and a water inlet and an open / close lid that opens and closes the air pressure at the outside on the lower side wall .   A closed water tank formed with a communicating part in the lower part and fitted with a supporting stepladder is immersed in an open-air lower water tank so that it can be moved up and down and horizontally moved. A fashion water tank, characterized in that a suction pipe is connected to the air vent and a suction pump is connected to the suction pipe via an on-off valve.

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