JP2005160372A - Water tank playing instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water tank playing instrument enabling children to undergo bodily sensation of the status of aquatic organisms while playing through devising to desire that they can experience nature in their playing in view of the fact that children have much feeling of hoping to play. <P>SOLUTION: The water tank playing instrument comprises a water tank 5, a stand 1 supporting the water tank 5, wherein the stand 1 is equipped with a staircase 30 outside, a tunnel 4 for children to have free access to, an observation space 16 reaching the inside of the water tank 5 from midway of the tunnel 4, and a life-support system 7 for aquatic organisms F in the water tank 5. A transparent material is used as an outer cylinder 51 constituting the water tank 5 and as a water tank viewing part 6 constituting the observation space 16 so as to enable children to observe the aquatic organisms F in the water tank 5 both from inside and outside while playing. A stand 3 can be designed to constitute a stationary-step one 3A, variable-step one 3B or split one 2, and the water tank 5 can be placed on the stand 1, that is, can be constituted as an independent-type water tank 5A. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an aquarium playground equipment that allows a child to feel underwater nature while playing, stimulates the curiosity of the child, and contributes to the formation of mind and body.

  An aquarium is generally known as a facility for observing aquatic organisms (seafood and seaweed). The aquarium puts a wide variety of aquatic life in a large aquarium, puts aquatic life by type in a small aquarium, and gives them appropriate explanations, allowing visitors to observe aquatic life and give knowledge of aquatic life. , Interested.

On the other hand, freshwater fish, saltwater fish, tropical fish, and the like are bred as ornamental fish (including pets and interiors) in ordinary households, and are bred for education in elementary schools and the like.
In recent years, it has been bred for display in restaurants, sushi restaurants, Japanese cuisine, restaurants, etc. that provide fish dishes and live fish.
JP-A-10-229780

However, the aquarium is simply a facility for introducing fish types and observing the ecology of fish, so it only gives knowledge and interests about fish. For this reason, the main fun of children was limited to seeing the ecology of rare fish and how to swim, and it was only possible to see the fish swimming in a large aquarium.
Since ornamental fish is only used for pets and interiors, there is a problem that nature cannot be fully experienced.
Accordingly, the present invention has been made in view of the above circumstances, and its purpose is to devise whether children are playful and cannot experience nature during play, and to experience the state of aquatic life while playing. It came to invent the water tank playground equipment which can be performed.

According to a first aspect of the present invention, there is provided a water tank playground equipment comprising a water tank and a stand for supporting the water tank, wherein the stand is a tunnel through which at least a child enters and exits, an observation room that reaches the water tank from the middle of the tunnel, and an underwater organism in the water tank A life support device against the above, and a transparent body is used for the outer cylinder constituting the aquarium and the aquarium peeping part constituting the observation room, so that underwater organisms in the aquarium can be observed from inside and outside while playing. To do.
A second aspect of the present invention is the water tank playground equipment according to the first aspect, wherein the base is a stepped base provided with a stepped portion on the outside, and the stepped base includes a fixed stepped base integrally formed with all the steps and a stepped base. It is any one of the variable stage stand which can increase / decrease a part as needed.
A third aspect of the present invention is the water tank playground equipment according to the first or second aspect, wherein the base is a split base that is separated and manufactured at least in two parts, and the split base is a tunnel split base that is separated along the tunnel, and a tunnel Any one of the non-tunnel split type bases that are separated by placing them at the center.
A fourth aspect of the present invention is the water tank playground equipment according to any one of the first, second, and third aspects, wherein the water tank is an independent water tank provided on a stand, and the independent water tank includes an outer cylinder, a viewing port, and a water tank peeping portion on the bottom wall. It is characterized by being.
According to a fifth aspect of the present invention, in the water tank playground equipment according to the first, second, third, and fourth aspects, the platform includes a storage chamber inside, and the storage chamber includes at least a main part of the life support device.
According to a sixth aspect of the present invention, in the water tank playground equipment according to the fifth aspect, the storage chamber is provided with a water drain portion of the water tank.

Here, the aquarium refers to the one directly provided on the stand and the independent aquarium placed on the stand, storing fresh water and artificial seawater in the aquarium, and storing freshwater fish, saltwater fish, tropical fish, cold water fish, etc. It is housed so that it can swim freely or seaweed is placed.
Here, the stand means a tank that supports the aquarium and has a tunnel that allows the child to enter and exit in a hungry state or a middle waist state. "Children" refers to infants, children, and elementary school children.
Here, the observation room is a space that allows the child to stand in the tunnel and can observe the aquatic life in the aquarium with the child standing, and prevents the inflow of water. It refers to glass or acrylic resin that forms the water tank peeping part of the observation room and the outer cylinder of the water tank.

Here, the stair-type table means a table having a step part that a child can climb up and down, and the fixed-step type table means a unit that integrally forms from the first step part to the last step part, and is variable. A stepped table is one that can increase or decrease the number of steps according to the height of the child, and a divided table is a tunnel division that divides all the tables including the stepped table into two or more parts along the tunnel. A non-tunnel split stand that divides into two or more parts with a tunnel at the center.
Here, the life support device refers to a device that circulates and purifies the water in the aquarium, maintains at least transparency enough to appreciate fish of aquatic organisms, and maintains the growth of aquatic organisms over an appropriate period.
Here, the storage room refers to the entire space provided in the table, and particularly refers to a space provided with a main part of the life support device and a drainage part of the aquarium, or a space for storing bait for aquatic organisms.

Since the aquarium playground equipment according to the present invention has the above-described structure, the following effects can be obtained.
Since the water tank playground equipment of Claim 1 is equipped with the tunnel in the stand, it can be utilized as a playground equipment. Moreover, the observation room inside the aquarium is provided in the middle of the tunnel, so children can enjoy a variety of aquatic organisms (fishes) swimming in the aquarium while playing as if they were on the seabed or in the sea. In particular, when looking from the observation room, you can visually see the undersea and underwater scenery as if the coral became a fish, and you can experience a mysterious experience. As a result, the mysterious fun in the sea can be given to the child.
In addition to the features of the first aspect, the aquarium play equipment of the second aspect can be used to play ascending and descending using the stepped portion of the platform, and the inside of the aquarium can be observed from near the stepped portion. If this is prepared in the kindergarten, the child (toddler) can experience aquatic life while playing.

In addition to the features of claims 1 and 2, the water tank playground equipment of claim 3 can be transported and stored in a compact manner because the table can be divided into two or more parts. By dividing into the same shape, mass productivity can be improved and it can be provided at low cost.
In addition to the features of claims 1, 2, and 3, the water tank playground equipment of claim 4 is an independent water tank, so that it is used without being influenced by the structure of the table (split table, stepped table, etc.) be able to. It can also be removed from the table to observe and touch aquatic organisms.
In addition to the features of the first, second, third, and fourth aspects, the water tank play equipment according to the fifth aspect includes a storage chamber in the base, and thus can be used for purposes other than the role as the water tank support. In particular, by providing the main part of the life support device in the storage chamber, the appearance is improved as compared with the case where the life support device is provided outside.
In addition to the features of claim 5, the water tank playground equipment of claim 6 is provided with a water drainage part of the water tank in the storage chamber, so that the appearance is good and the water in the water tank can be easily and easily changed.

  The best mode of the water tank toy according to the present invention will be described with reference to FIG. 1. The water tank 5 includes a water tank 5 and a base 1 that supports the water tank 5, the water tank 5 opens upward, and the upper lid 15 is detachably fitted on the open side. Combined, the platform 1 has a trapezoidal shape that tapers upward from the installation surface. At least the tunnel 4 in which children can go in and out in the state of standing and in the middle waist, and the observation room reaching into the aquarium 5 from the middle of the tunnel 4 16, a storage chamber 10 for storing items and the like, a life support device 7 for the aquarium 5, a drainage portion 8 of the aquarium 5, an outer cylinder 51 that constitutes the aquarium 5, and a water tank peeping portion that constitutes the observation room 16 6, a transparent body is used so that the aquatic organism F in the water tank 5 can be observed from inside and outside.

A first embodiment of an aquarium playground equipment according to the present invention will be described with reference to FIGS. 1 and 2. A substantially circular cone-shaped platform 1 </ b> A is used as a platform 1, and a through-type tunnel 4 </ b> A passing in one direction is provided as a tunnel 4. The observation room 16 includes an observation opening 14 that penetrates upward from the middle of the tunnel 4 and a water tank observation part 6 that continues to the observation opening 14, and a cylindrical water tank observation part 6 </ b> A or a ceiling wall 6 a is provided as the water tank observation part 6. Using the ceiling water tank viewing portion 6E, the inner peripheral fitting groove 1a is provided on the observation port 14 side on the upper side of the table 1, the outer peripheral fitting groove 1b is provided on the outer peripheral side, and the water tank is provided in the inner peripheral fitting groove 1a. The bottom end of the viewing portion 6 is inserted into the outer periphery fitting groove 1b and the bottom end of the water tank outer cylinder 51 is inserted in a watertight state with a sealing material to form a watertight water tank 5 having an open upper portion. Store water W such as fresh water and artificial seawater, and selectively swim underwater creature F fish, The opening side of the tank 5 is blocking at the upper lid 15.
When this substantially conical base 1A is installed indoors, it is installed so that it can enter and exit from any of the entrances 41 and 42 of the through-type tunnel 4A.

The second embodiment of the platform 1 and the tunnel 4 will be described in terms of differences from the first embodiment. For example, the platform 1 is a conical platform 1A in addition to a conical platform 1A as shown in FIG. A through-type tunnel is used as a tunnel 4 using a base 1B, a polygonal pyramid base 1C having a planar polygon as shown in FIG. 3-2, a non-target pyramid base 1D whose front and rear or left and right sides are non-target as shown in FIG. In addition to 4A, a branching tunnel 4B dispersed from the inside, a composite tunnel 4C serving as both a penetration tunnel 4A and a branching tunnel 4B, and the like are used. In addition, entrances 41, 42, 43, 44, and 4n are provided in the composite tunnel 4C to allow entry and exit from two or more locations.
In the non-target frustum base 1D, the straight side of the non-target frustum base 1D can be arranged close to the wall side of the building.

If the third embodiment of the pedestal is described with respect to the differences from the first and second embodiments, the stepped pedestal 3 is used as the pedestal 1, and the stepped pedestal 3 is arranged outside as shown in FIG. From the first step portion 31 as shown in FIG. 4-2, the step portion 30 is provided with about 2 to 8 steps and integrally forms all the steps 30 from the first step portion 31 to the final step portion 3n. There is a variable stage base 3B that can be partly attached to and detached from the final stage 3n and can be increased or decreased as necessary. Of these, the variable stage base 3B can be formed for each stage or several stages. It is also possible to make it possible, or it is possible to make only the lower few steps as an assembly type.
The stepped portions 30 of the fixed stepped pedestal 3A and the variable stepped pedestal 3B are preferably formed in a state having a kick height and a step width that allow a child to safely climb up and down. For example, as shown in FIGS. 4-3 and 4-4, a part capable of climbing up and down can be formed.

Explaining the fourth embodiment of the base, the split base 2 that is divided into at least two parts or more is used as the base 1, and the split of the split base 2 is divided along the direction in which the tunnel 4 is formed. In the type table 2A, for example, as shown in FIG. 5-1, a two-divided tunnel type formed in a first divided table 21 and a second divided table 22 along a through-type tunnel 4A, and a branched type tunnel 4B as shown in FIG. In accordance with the above, a tunnel three-part type that is separately formed into a first divided table 21, a second divided table 22, and a third divided table 23, or the first divided table 21 and the second divided table 22 as shown in FIG. It is also possible to divide the tunnel into four parts divided into the third divided table 23 and the fourth divided table 24, and to further divide the number into the Nth divided table 2n.
When using this tunnel division | segmentation type stand 2A, it is necessary to form the water tank 5 on the upper side via the coupling body 9 mentioned later, or to use the independent water tank 5A.

  The difference between the fifth embodiment of the stand and the fourth embodiment will be described. In the non-tunnel split-type table 2B that is divided and arranged around the tunnel 4 in the split-type table 2, for example, FIG. As shown in FIG. 6B, a non-tunnel two-split type in which the first divided base 21 and the second divided base 22 are separately formed so as to be orthogonal to the through-type tunnel 4A. As shown in FIG. 6-3, a non-tunnel three-part type that is divided into a first divided table 21, a second divided table 22, and a third divided table 23, or a through-type tunnel that intersects vertically and horizontally as shown in FIG. 6-3. A non-tunnel four-partitioning system that separates and forms the first dividing table 21, the second dividing table 22, the third dividing table 23, and the fourth dividing table 24 so as to be arranged around the 4A entrances 41 to 44, Nth division to center the composite tunnel 4C It is also possible to multi-division to 2n.

Of the water tank playground equipment according to the present invention, an independent water tank 5A formed by separating the water tank 5 from the base 1 will be shown. If the independent water tank 5A is described with reference to FIG. The observation port 14 communicating with the tunnel 4 is provided in a part of the wall 52, the outer cylinder 51 is attached to the outer peripheral side of the bottom wall 52 in a watertight state, and the water tank viewing portion 6 is attached to the observation port 14 side in a watertight state. is there.
The second embodiment of the independent water tank 5A will be described with reference to FIG. 7B. The observation port 14 is provided in a part of the bottom wall 52, the outer peripheral fitting groove 5b is provided on the outer peripheral side of the bottom wall 52, and the observation is performed. An inner peripheral fitting groove 5a is provided on the mouth 14 side, and the lower end of the water tank viewing portion 6 is attached to the inner peripheral fitting groove 5a, and the lower end of the outer cylinder 51 is attached to the outer peripheral fitting groove 5b in a watertight manner. .

An example of the shape of the aquarium peeping part 6 constituting the observation room 16 in the aquarium play equipment according to the present invention will be described with reference to FIG. 8. (a) is a cylindrical aquarium peeping part 6A, (b) is an elliptical aquarium peeping part. 6C, (C) shows a polygonal water tank viewing part 6C, and (D) shows a dome shaped water tank viewing part 6D, and other water tank viewing parts 6A, 6B, 6C except for the dome shaped water tank viewing part 6D. It is also possible to use a celestial water tank viewing portion 6E whose upper end is closed with a ceiling wall 6a.
In any case, it is necessary to prevent water W from entering.

  Of the water tank playground equipment according to the present invention, a connection body 9 is used for the tunnel split base 2A and the non-tunnel split base 2B, and the connection body 9 is placed on the upper side of the collective portion of the split base 2 as shown in FIG. The bottom plate 91 is provided with a hole 92 that communicates with the observation port 14, the outer peripheral side fitting portion 9 b is provided on the upper outer periphery of the bottom plate 91, and the base fitting portion 93 is provided on the lower outer periphery. The inner periphery side fitting part 9a is provided, the water tank outer cylinder 51 is attached to the outer periphery side fitting part 9b, and the water tank peeping part 6 is attached to the inner periphery side fitting part 9a in a watertight state.

Of the water tank playground equipment according to the present invention, it relates to the life support device 7. The life support device 7 is a filter 71 for filtering (sterilizing and purifying) water in the water tank 5, as shown in FIG. An air pump 73 that forcibly feeds air toward the water, a temperature sensor 74 that detects the water temperature, a Peltier 75 that heats / cools the water, and an electric control unit 76 that manages these computers. The suction hose 7a and discharge hose 7b connected to the circulation pump 72 and the air supply hose 7c connected to the air pump 73 are led to the inside of the water tank 5, and the temperature sensor 74 and Peltier 75 are placed in the water tank 5. It arranges, keeps the water W in the water tank 5 at an appropriate temperature, and circulates while purifying, maintaining the health of the underwater organism F and maintaining transparency.
The life support device 7 can be serviced and adjusted from the inspection port.

Among the water tank playground equipment according to the present invention, it relates to a water drain part 8 used for replacing water W stored in the water tank 5, and the water drain part 8 includes a drain pipe 8a extending from the water tank 5 to the storage chamber 10 as shown in FIG. 11, and a drain pipe 8a. And a cock 8b interposed in the middle of the tank, and when the water W in the water tank 5 is exchanged, it is operated from the tunnel 4 or from the outside of the platform 1.
In any case, it is desirable that the storage room 10 is provided with a door 11 with a key and the like so that an erroneous operation by a child is impossible.

  The aquarium play equipment according to the present invention is placed in a play room of a kindergarten, and water W such as fresh water or artificial seawater is placed in the aquarium 5, and the fish of the aquatic organism F that inhabits from the sea near Japan to the tropics in the water W. If you swim, etc., you can enjoy it as if you were in the seabed or underwater. As a result, the child can appreciate the fish from inside the tunnel 4 while going through the tunnel 4. That is, it is possible to provide an environment surrounded by beautiful fish while playing.

The tank height t of the aquarium 5 is about 100 cm, the tank length h is about 200 cm, the play equipment height T from the installation surface of the table 1 to the upper end of the tank 5 is about 1400 cm, and the installation length H of the table 1 is If the outer cylinder 51 is about 1400 cm, it can be easily cleaned by an adult and always kept in a good state when the outer cylinder 51 is contaminated with water stains. It is also possible to place pseudo rocks, corals, etc. at appropriate locations in the water tank 5.
The outer cylinder 51 and the water tank peeping part 6 are formed by cutting from a transparent acrylic resin tube material, or by rounding a transparent acrylic resin plate into a ring shape, attaching both ends, and firmly joining the joint with an adhesive or the like. To do.

In the variable stage base 3B, for example, a fixing plate is attached across the upper stage part 32 and the lower stage part 33, or the locking part 17 is placed below the upper stage part 32, and the upper part of the lower stage part 33 is locked. By providing the portion 18 and locking the locking portion 17 and the locked portion 18 to each other, the step portion 30 is prevented from being displaced.
Further, in the tunnel division type table 2A and the non-tunnel division type table 2B, for example, a fixing plate is attached across the adjacent first division table 21 and second division table 22, or the first division table 21 and the second A locking portion is provided on one side of the two-divided base 22 and a locked portion is provided on the other side, and the locking portion and the locked portion are locked to each other, thereby preventing the stepped portion 30 from shifting.
In particular, in the tunnel division type table 2A, for example, when the lower side of the first division table 21 and the second division table 22 constituting the tunnel 4 is connected by the corridor 45, the supporting force of the table 1 is improved. You can also go barefoot.
Anyway, if the stand 1 can support the water tank 5 which stored the water W, the shape is free.

In the split table 2, a frame 12 made of a metal material is used as shown in FIG. 12 so that the water tank 5 can be supported mainly by the frame 12, and the split tables 21 to 2 n are attached to the frame 12 to maintain the outer shape. It can also be done.
It is also possible to form the fixed stage base 3A and the variable stage base 3B of the stepped base 3 into a tunnel split base 2A and a non-tunnel split base 2B of the split base 2.
The upper lid 15 is not limited to being integrally formed, and can be divided into a first lid portion 15a and a second lid portion 15b, and the divided first lid portion 15a and second lid portion 15b can be divided. As shown in FIG. 4-3, it is possible to connect with a hinge 15c so that one of them can be freely opened and closed.

When the divided bases 21 to 2n of the tunnel split type base 2A and the non-tunnel split base 2B or the stepped part 30 of the stair type base 3 are color-coded, the color sense of the child is improved and the aesthetics are improved. Further, in the case of the large pedestal 1 or the pedestal 1 having a plurality of tunnels 4, the observation rooms 16 can be provided at several locations of the tunnel 4.
The tunnel 4 is preferably provided in accordance with the size of the child, but is classified into, for example, for infants, kindergarten, and lower grades of elementary school, and is formed in an arch shape having a height of about 60 cm for kindergarten.
The shape of the table 1, the water tank 5, the water tank viewing portion 6, and the arrangement of the tunnel 4 are not limited to the embodiment, and can be freely changed within the scope of the object of the invention.

It is a longitudinal cross-sectional view which shows the typical structure of the water tank playground equipment by this invention. It is a top view which shows 1st embodiment (conical base) of a stand. It is a top view which shows an elliptical cone-shaped base in 2nd embodiment of a base. It is a top view which shows a polygonal pyramid shaped stand among 2nd embodiment. It is a top view which shows a non-object frustum stand among 2nd embodiment. It is a partially notched front view which shows the step type stand (fixed stage type stand) in 3rd embodiment of a stand. It is a longitudinal cross-sectional view of the partial separation state which shows a step type stand (variable stage type stand) among 3rd embodiment. It is a perspective view of a step type stand. It is a perspective view of the same step type stand. It is a cross section which shows the example of a 2 division in the division | segmentation type | formula (tunnel division | segmentation type stand) among 4th embodiment of a stand. It is a cross section which shows the example of three divisions in a split-type stand (tunnel split-type stand) among 4th embodiment. It is a cross section which shows the example of four divisions in a division type stand (tunnel division type stand) among 4th embodiment. It is a cross section which shows the example of a 2 division in the split type stand (non-tunnel split type stand) among 5th embodiment of a stand. It is a cross section which shows the example of 3 divisions in a split-type stand (non-tunnel split-type stand) among 5th embodiment. It is a cross section which shows the example of four divisions in a split-type stand (non-tunnel split-type stand) among 5th embodiment. It is a partially cutaway perspective view showing a first embodiment of an independent water tank. It is a longitudinal cross-sectional view which shows 2nd embodiment of an independent type water tank. The embodiment of the water tank viewing portion is shown, in which (a) is a partially cutaway perspective view of the cylindrical water tank viewing portion, (b) is a partially cutaway perspective view of the elliptical water tank viewing portion, and (c) is FIG. 4 is a partially cutaway perspective view of a polygonal water tank viewing section, and FIG. 4D is a perspective view of a dome shaped water tank viewing section. It is a longitudinal cross-sectional view which shows embodiment of a coupling body. It is a block diagram which shows embodiment of a life support apparatus. It is a principal part longitudinal cross-sectional view which shows embodiment of a drain part. It is a perspective view which shows the structural example of the stand using a skeleton.

Explanation of symbols

1 unit, 1A cone unit, 1B elliptical cone unit, 1C polygonal cone unit, 1D non-target cone unit 1a inner peripheral fitting groove, 1b outer peripheral fitting groove 2 split type stand, 2A tunnel split type stand 2B Non-tunnel split stand 21 First split stand, 22 Second split stand, 23 Third split stand, 24 Fourth split stand 2n N split stand 3 Stair stand, 3A Fixed stage stand, 3B Variable stage stand Table 30 Stage part, 31 First stage part, 32 Upper stage part, 33 Lower stage part, 3n Final stage part 4 Tunnel, 4A Through-type tunnel, 4B Branch type tunnel, 4C Combined type tunnel 14 Observation port, 41, 42, 43, 44, 4n entrance / exit, 45 corridor 5 water tank, 5A independent water tank, 5a inner circumference fitting groove, 5b outer circumference fitting groove 51 outer cylinder, 52 bottom wall 16 observation room 6 water tank viewing section, 6a ceiling wall 6A cylindrical shape Water tank viewing part, 6B Elliptical water tank viewing part, 6C Polygonal water tank viewing part D Dome-shaped water tank viewing section, 6E Observatory 7 Life support device 7a Suction hose, 7b Discharge hose, 7c Air supply hose 71 Filter, 72 Circulation pump, 73 Air pump, 74 Temperature sensor 75 Peltier, 76 Electrical control section 8 Drain Part, 8a drainage pipe, 8b cock 9 coupling body, 9a inner peripheral side fitting part, 9b outer peripheral side fitting part 91 bottom plate, 92 port hole, 93 base fitting part 10 storage chamber, 11 door 12 frame 15 upper lid, 15a 1st cover part, 15b 2nd cover part, 15c Hinge 17 Locking part, 18 Locked part W Water, F Underwater creature (fish etc.)
Height of play equipment from the installation surface of T units to the top of the aquarium, t Aquarium height H Installation length of h units, h Aquarium length

Claims (6)

  It is equipped with a water tank (5) and a stand (1) that supports the water tank (5). The stand (1) is at least a tunnel (4) through which a child enters and exits and enters the water tank (5) from the middle of the tunnel (4). An observation room (16) that reaches, a life support device (7) for aquatic organisms (F) in the aquarium (5), an outer cylinder (51) that constitutes the aquarium (5), and an observation room (16) A water tank playground equipment characterized in that a transparent body is used for the water tank viewing portion (6) to be constructed, and the aquatic organism (F) in the water tank (5) can be observed from inside and outside while playing.   The pedestal (1) is a stepped pedestal (3) having a staircase (30) on the outside. The stairs pedestal (3) is a fixed stepped pedestal (3A) in which all the stairs (30) are integrally formed, and the stairs. The aquarium playground equipment according to claim 1, which is one of a variable stage base (3B) capable of increasing or decreasing part of (30) as required.   The stand (1) is a split-type stand (2) that is separated and manufactured at least in two parts, and the split-type stand (2) is a tunnel split-type stand (2A) that is separated along the longitudinal direction of the tunnel (4). The aquarium playground equipment according to claim 1 or 2, characterized in that there is one of a non-tunnel split-type table (2B) that is separated from the tunnel (4).   The water tank (5) is an independent water tank (5A) provided on the stand (1), and the independent water tank (5A) is provided on the bottom wall (52) with the outer cylinder (51), the observation port (14), and the water tank viewing part. (6) The water tank playground equipment of Claim 1, 2, 3 characterized by the above-mentioned.   The base (1) is provided with a storage chamber (10) inside, and the storage chamber (10) includes at least a main part of the life support device (7). Aquarium playground equipment.   6. The aquarium playground equipment according to claim 5, wherein the storage chamber (10) is provided with a drainage part (8) for the aquarium (5).

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