JP5766679B2 - Aquarium - Google Patents

Description

  The present invention relates to an aquarium for breeding aquatic organisms such as ornamental fish.

  Conventionally, in aquariums where aquatic organisms such as ornamental fish are bred, for example, in order to prevent deterioration of the water quality in the aquarium, water in the aquarium is extracted using an electric or manual drain pump, etc. Water is replaced by injecting the pumped water into the aquarium.

  However, in the replacement work of water using an electric or manual drainage pump or the like, unless the water in the tank is drawn out with the drainage pump or the like, new water cannot be injected into the tank, and the water is replaced. It took a long time to work and was very troublesome.

  In view of the technical background described above, an object of the present invention is to provide a water tank that can efficiently perform a water replacement operation with a simple configuration.

  That is, this invention has the structure as described in following [1]-[7].

[1] A breeding container in which water is filled and aquatic organisms are bred;
A water receiving container formed separately from the breeding container and disposed adjacent to the breeding container;
With
The breeding container is provided with a water outlet for allowing water in the container to flow into the water receiving container,
When the water level of the breeding container exceeds a predetermined water level, water in the breeding container flows into the water receiving container through the water passage.

  [2] The water tank according to item 1 above, wherein the water inlet has a plurality of through portions.

  [3] The aquarium according to item 1 or 2, wherein the breeding container is provided with a guide portion for guiding the water flowing out from the water inlet to the water receiving container.

  [4] The aquarium according to any one of items 1 to 3, wherein the breeding container and the water receiving container are fixedly arranged by a bottom cover.

  [5] The water tank according to item 4, wherein the bottom cover is provided with a light emitting unit.

  [6] The water tank according to any one of the preceding items 1 to 5, further comprising a water storage container that is formed inside the water receiving container so as to be capable of being engaged and that can store water to be injected into the breeding container. .

  [7] The aquarium according to any one of the preceding items 1 to 6, wherein a protective plate is provided between adjacent surfaces of the breeding container and the water receiving container.

  According to the invention described in [1] above, a breeding container that is filled with water and is bred with aquatic organisms, and a water receiving container that is formed separately from the breeding container and disposed adjacent to the breeding container; The breeding container is provided with a water inlet for allowing the water in the container to flow into the water receiving container. When the water level of the breeding container exceeds a predetermined water level, the water in the breeding container passes through the water inlet. As the water flows into the receiving container, the water in the breeding container flows into the receiving container at the same time as water is poured into the breeding container. Working time is greatly reduced.

  In addition, since the breeding container and the water receiving container are formed separately, it is only necessary to remove the water collecting container after injecting the required amount of water into the breeding container and to dispose of the accumulated water. Without it, it is very easy.

  Furthermore, since it has a simple configuration that includes at least a breeding container having a water passage and a water receiving container, it is inexpensive.

  According to the invention described in [2] above, since the water passage has a plurality of penetrating portions, if the aquatic organism has a size smaller than the size of the penetrating portion, the aquatic organism in the breeding container is raised. There is no risk of being poured into the water flowing from the container into the water receiving container.

  According to the invention described in [3] above, the breeding container is provided with a guide part for guiding the water flowing out from the water inlet to the water receiving container, so that the water flowing out from the breeding container spills outside the container. And smoothly flows into the water receiving container.

  According to the invention described in [4] above, the breeding container and the water receiving container are fixedly arranged by the bottom cover, so that the breeding container and the water receiving container can be stably arranged.

  According to the invention described in [5] above, since the bottom cover is provided with the light emitting portion, for example, even when a water tank is disposed in the dark, the light emitting portion can be caused to emit light and work can be performed. , Improve convenience.

  In addition, you can enjoy it with electric decorations for pursuing design and promoting the growth of plants in the aquarium.

  According to the invention described in [6] above, the water storage container is formed so as to be hookable inside the water receiving container and enables storage of water to be injected into the breeding container. In addition, it is easy to use because it is possible to install a water storage container in which water is stored in advance together with a water tank without taking up space.

  In addition, for example, a water storage container in which tap water is stored in advance can be attached to the water receiving container in a hooked state to perform descaling.

  According to the invention described in [7] above, since the protective plate is provided between the adjacent surfaces of the breeding container and the water receiving container, for example, a non-transparent protective plate is used on the back surface of the breeding container. It is possible to enjoy the beauty of the aquarium by hiding the provided water receiving container so that it cannot be seen or by changing the color and pattern of the protective plate.

It is a perspective view which shows the structural example of the water tank which concerns on this invention. It is a perspective view for demonstrating the water tank which concerns on this invention. It is a perspective view for demonstrating the breeding container and water receiving container of the water tank which concern on this invention. It is explanatory drawing which shows the water flow opening and guide part of the water tank which concern on this invention. It is sectional drawing in YY of the water tank which concerns on this invention. It is a perspective view which shows the structural example of the water tank which concerns on another embodiment of this invention. It is a perspective view for demonstrating the water tank which concerns on another embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view illustrating a configuration example of the aquarium 1, FIG. 2 is a perspective view for explaining the aquarium 1, and FIG. 3 is a perspective view for explaining a breeding container 2 and a water receiving container 3 of the aquarium 1. 4 is an explanatory view showing the water inlet 22 and the guide portion 23 of the water tank 1, FIG. 5 is a sectional view taken along the line YY of the water tank 1, and FIG. 6 shows a configuration example of the water tank 10 according to another embodiment. A perspective view and FIG. 7 are perspective views for explaining a water tank 10 according to another embodiment.

  1 to 7 are tanks 1 and 10 for breeding aquatic organisms such as ornamental fish.

  The aquariums 1 and 10 of the present invention include at least breeding containers 2 and 20 and water receiving containers 3 and 30 that are separately formed, and are used in combination.

  In the following, for the sake of convenience of explanation, the surface on the side to be viewed is defined as “front surface” and the opposite side is defined as “back surface”.

  A cylindrical water tank 1 as one embodiment to be described below based on FIGS. 1 to 5 includes a water storage container 4, a bottom cover 5 and an upper cover 6 in addition to a breeding container 2 and a water receiving container 3. Used in combination.

  The breeding container 2 is a container for breeding aquatic organisms. For example, a material such as transparent glass or synthetic resin is used and is formed in a substantially semicylindrical shape.

  The breeding container 2 is open at the top, and the aquatic organisms can be viewed in a state where the curved surface is the front and the water is filled.

  A flat wall 21 is provided on the rear side of the breeding container 2, and a flat wall 31 of a water receiving container 3 (described later) formed in a substantially semi-cylindrical shape is disposed adjacent to the wall 21. The

  The breeding container 2 and the water receiving container 3 become a substantially cylindrical water tank 1 in a combined state.

  The breeding container 2 is provided with a water inlet 22 for allowing the water in the container to flow into the water receiving container 3.

  The water inlet 22 is provided in the upper part of the wall 21 of the breeding container 2 so that when the water level of the breeding container 2 exceeds a predetermined water level, the water in the breeding container 2 flows into the water receiving container 3 through the water inlet 22. It is configured.

  The water passage port 22 in this embodiment is provided with a plurality of through portions 22a that are holes that penetrate the wall 21, and the diameter of the through portion 22a is, for example, about 0.6 mm.

  The lowermost end of the water inlet 22 is formed at a position lower than the height positions of the upper ends of all the walls forming the breeding container 2.

  If it demonstrates based on FIG.4, 5, the lowermost end part of the water flow port 22 will show the lower end part of the penetration part 22a of the lowest stage among 3 steps | paragraphs.

  For example, when the lowermost end portion of the water inlet 22 is arranged at a position 15 mm lower than the upper end of the wall 21 of the breeding container 2, the maximum allowable water level that means the maximum water level that can be filled in the breeding container 2 is The position from the upper end of the wall 21 with 22 to the lowermost end of the water inlet 22 that is 15 mm lower, that is, the height position X that is the position from the bottom of the breeding container 2 to the lowermost end of the water inlet 22.

  When water is poured into the breeding container 2 and the water level of the breeding container 2 exceeds a predetermined water level, that is, the maximum allowable water level X, the water inlet of the water in the breeding container 2 exceeds the maximum allowable water level X. It flows into the water receiving container 3 through 22.

  As described above, the water inlet 22 is provided on the upper portion of the wall 21 adjacent to the water receiving container 3 of the breeding container 2, and the lowermost end portion of the water inlet 22 is lower than the height position of the upper end portion of the breeding container 2. When water is injected until it exceeds the height position X of the lower end portion of the water inlet 22 provided in the upper part of the wall 21 of the breeding container 2, the water in the breeding container 2 overflows from the container and is received. The water can be easily replaced by flowing into the water container 3.

  In addition, by forming a plurality of through-holes 22a at the water inlet 22, if the aquatic organism has a size smaller than the size of the through-portion 22a, aquatic organisms in the breeding container 2 are received from the breeding container 2 by a water receiving container. Therefore, the water inlet 22 is preferably formed with a plurality of small-sized through portions 22a.

  The breeding container 2 is further provided with a guide portion 23 for guiding the water flowing out from the water inlet 22 to the water receiving container 3.

  The guide part 23 includes a guide bottom plate 23b and a pair of guide side plates 23a and 23c provided so as to protrude from the outer surface side of the wall 21 provided with the water passage port 22 of the breeding container 2.

  The guide bottom plate 23 b and the pair of guide side plates 23 a and 23 c are provided in a U shape perpendicular to the outer surface side of the wall 21 of the breeding container 2.

  The water overflowing from the breeding container 2 flows on the guide bottom plate 23b between the pair of guide side plates 23a and 23c and flows into the adjacent water receiving container 3.

  In this way, by providing the breeding container 2 with the guide portion 23 for guiding the water flowing out from the water inlet 22 to the water receiving container 3, the water flowing out from the breeding container 2 is allowed to flow into the breeding container 2 or the water receiving container 3. Without being spilled outside, the water is smoothly flowed into the water receiving container 3.

  Although the guide bottom plate 23b of the guide portion 23 has been described as being provided vertically from the outer surface side of the wall 21 of the breeding container 2, it is provided so as to be inclined downward toward the bottom portion of the breeding container 2. Alternatively, the guide bottom plate 23b is provided so as to be inclined downward toward the bottom of the breeding container 2, so that water flows more smoothly into the water receiving container 3.

  The water receiving container 3 is formed in a substantially semi-cylindrical shape with an open top, and the aquarium 1 is assembled by combining the breeding container 2 and the planar wall surfaces 21 and 31 of the water receiving container.

  As can be seen from FIGS. 1 and 5, the water receiving container 3 is, for example, set to a height dimension equivalent to the breeding container 2 and smaller than the breeding container 2.

  On the upper part of the wall 31 of the water receiving container 3, there is provided a notch 32 that is notched according to the outer peripheral shape of the guide part 23 of the breeding container 2.

  The notch 32 is formed in a U-shape recessed downward, and the U-shaped guide portion 23 is engaged with the recess of the notch 32.

  When assembling the aquarium 1, the guide portion 23 that protrudes toward the water receiving container 3 is fitted into the cutout portion 32, and the breeding container 2 and the receiving container 2 are placed so that the front end of the guide portion 23 is positioned inside the water receiving container 3. The water container 3 is assembled in a state where both wall surfaces 21 and 31 are combined.

  Replacing all the water for raising aquatic organisms in the breeding container 2 at a time adversely affects the aquatic organisms being bred, so the receiving container 3 is 1 / of the maximum amount of water that can enter the breeding container 2. Although it is preferable to set it to the dimension in which about 3 to half of water enters, it is not limited to this and may be set appropriately.

  The water tank 1 has a water storage container 4 that is formed inside the water receiving container 3 so as to be capable of being hooked and that can store water to be injected into the breeding container 2.

  The water storage container 4 is formed in a substantially semi-cylindrical shape having a size slightly smaller than the water receiving container 3 so as to be accommodated in the water receiving container 3.

  The upper part of the water storage container 4 also has an open shape, and a hook part 43 that engages with the upper edge of the water receiving container 3 is provided at the upper end part of the water storage container 4.

  The engaging portion 43 is configured so that the water storage container 4 is housed inside the water receiving container 3 and does not protrude from the outer periphery of the water receiving container 3 while being engaged with the upper edge of the water receiving container 3. Is formed to have the same or substantially the same size as the outer periphery of the water receiving container 3.

  By being configured in this way, even when the water storage container 4 is housed in the water receiving container 3, the engaging portion 43 of the water storage container 4 is engaged with the upper edge of the water receiving container 3. 4 does not fit completely inside the water receiving container 3 and is easy to take out.

  In the upper part of the wall 41 of the water storage container 4, similarly to the water receiving container 3, a U-shaped notch 42 that is notched in accordance with the outer peripheral shape of the guide portion 23 of the breeding container 2 and is recessed downward is provided. Yes.

  When the water storage container 4 is attached to the water receiving container 3, as in the case of the water receiving container 3, the guide portion 23 protruding toward the water receiving container 3 is fitted into the cutout portion 42 and attached.

  Since the water storage container 4 is formed inside the water receiving container 3 so as to be hookable and can store water injected into the breeding container 2, it can be stored inside the water receiving container 3 and take a place. Without any problem, the water storage container 4 in which water is stored in advance can be installed together with the water tank 1, so that it is easy to use.

  Further, for example, the water storage container 4 in which tap water is stored in advance can be attached to the water receiving container 3 in a hooked state to perform descaling and the like.

  The bottom cover 5 is composed of a double structure of a base part 51 and a base cover 52 attached so as to cover the upper part of the base part 51, and the bottom part 5 when the breeding container 2 and the water receiving container 3 are combined in a plan view. It is formed in a shape substantially equal to the shape.

  The base cover 52 is a state in which the breeding container 2 and the water receiving container 3 are combined, and stepped portions 24 and 34 provided at the bottoms of both the containers 2 and 3 are fitted to fix the breeding container 2 and the water receiving container 3. Arrange.

  The breeding container 2 made of a transparent material is configured such that the base cover 52 can be seen from the bottom.

  The base portion 51 into which the base cover 52 is fitted has a hollow inside, and, for example, a light emitting portion 53 having a light source such as an LED is provided therein.

  A light emitting unit 53 having a light source, a power supply device, and the like is provided inside the base unit 51, and light emitted from the light emitting unit 53 is visible from the bottom of the breeding container 2 through a light emitting window 531 provided in the base cover 52.

  As described above, the breeding container 2 and the water receiving container 3 are fixedly arranged by the bottom cover 5 so that the breeding container 2 and the water receiving container 3 can be stably arranged.

  Further, by providing the light emitting portion 53 on the bottom cover 5, for example, even when the water tank 1 is arranged in the dark, the light emitting portion 53 can be caused to emit light and work can be improved. To do.

  Furthermore, for the purpose of pursuing design and encouraging the growth of plants in the aquarium 1, it can be enjoyed by attaching electric decorations.

  The water tank 1 is provided with an upper cover 6 that covers the upper portions of the breeding container 2 and the water receiving container 3.

  The upper cover 6 is formed in a cylindrical shape having a cross-sectional surface combining the breeding container 2 and the water receiving container 3, and the surface is slightly larger than the cross-sectional shape combining the breeding container 2 and the water receiving container 3. It has become.

  The upper cover 6 is placed on the upper parts of the rearing container 2 and the water receiving container 3 in a combined state in order to prevent foreign matters such as dust from entering the rearing container 2 and the water receiving container 3.

  In the state where the upper cover 6 is covered, the water inlet 22 and the guide part 23 of the breeding container 2 are invisible or difficult to see from the outside of the water tank 1.

(Second embodiment)
Subsequently, the water tank 10 according to the second embodiment in which the water passage 220 is provided in the rectangular water tank 10 as shown in FIGS.

  The aquarium 10 according to this embodiment is not only different in shape from the aquarium 1 of the above-described embodiment, but also has a configuration in which the upper cover 6 is not provided, and in addition, a water inlet 220 provided in the breeding container 20. And the structure of the bottom cover 50 is different.

  In the aquarium 10 according to the present embodiment, a breeding container 20 and a water receiving container 30 formed in a substantially square shape with an open top are assembled adjacent to each other on the bottom cover 50 to form a square aquarium 10. .

  The bottom cover 50 is provided with a recess in a flat plate, and the breeding container 20 and the water receiving container 30 are fixedly disposed by being fitted into the recess.

  The water inlet 220 of the present embodiment is formed by cutting out a wall adjacent to the water receiving container 30, and a part of the upper part of the wall adjacent to the water receiving container 30 is recessed downward as shown in the figure. It is formed in a U shape.

  A guide bottom plate 230 b and a pair of guide side plates 230 a and 230 c are provided from the lower end and both ends of the water passage 220 so as to protrude outward from the outer surface of the wall 210, thereby forming a guide portion 230.

  The guide bottom plate 230b and the pair of guide side plates 230a and 230c are provided in a U-shape perpendicular to the outer surface of the wall 210 of the breeding container 20 as in the above-described embodiment.

  An upper U-shaped wall 310 of the water receiving container 30 is provided with a U-shaped notch 320 that is recessed downward and is notched according to the outer peripheral shape of the guide part 230 of the breeding container 20.

  Similar to the embodiment described above, the water storage container 40 is formed to have a slightly smaller size than the water receiving container 30, and an engaging portion 430 that engages with the upper end edge of the water receiving container 30 is provided at the upper end portion thereof.

  Similarly to the water receiving container 30, a U-shaped notch 420 is formed in the upper part of the wall 410 of the water storage container 40 so as to be cut out in accordance with the outer peripheral shape of the guide part 23 of the breeding container 2 and recessed downward. Provided.

  In this embodiment, the breeding container 20 and the water receiving container 30 are provided with a protective plate 70 provided between the adjacent wall surfaces 210 and 310.

  The protective plate 70 is made of a material such as a synthetic resin like the breeding container 2 and the water receiving container 3 and is formed in a plate shape.

  Note that a colored material may be used as the material of the protective plate 70.

  Similarly to the water receiving container 30 and the water storage container 40, the protection plate 70 is also provided with a U-shaped notch 720 that is notched in accordance with the outer peripheral shape of the guide part 230 of the breeding container 20 and is recessed downward. Yes.

  The protection plate 70 includes a hooking portion 710 that is hooked on the upper edge of the wall adjacent to the water receiving container 30, and is attached to the wall 210 of the breeding container 20 by the hooking portion 710. It is provided so as to be sandwiched between the wall 210 and the wall 310 of the water receiving container 30.

  For example, the upper end of the protection plate 70 is formed in an L shape, and the portion protruding vertically from the protection plate 70 is hooked to the upper edge of the breeding container 20 that avoids the water inlet 220. .

  The protection plate 70 is attached to the breeding container 20 by fitting the guide portion 230 protruding toward the protection plate 70 into the cutout portion 720.

  By providing the protective plate 70 between the adjacent surfaces of the breeding container 20 and the water receiving container 30, for example, a water receiving container provided on the back surface of the breeding container 20 using a protective plate 70 of non-transparent color or the like. 3 can be blindfolded, or the color and pattern of the protective plate 70 can be changed to enjoy the beauty of the water tank 10.

  The protection plate 70 may be provided in the water tank 1 according to the first embodiment, and may be configured to be provided between the breeding container 2 and the water receiving container 3. It is not limited by such.

  Moreover, although the structure of the water flow ports 22 and 220 differs in 1st Embodiment and 2nd Embodiment, the water flow port 220 which provided the notch part in the water tank 1 which concerns on 1st Embodiment is provided, or 2nd Embodiment. Such a water tank 10 may be provided with a water inlet 22 provided with a penetrating portion 22a, and at least water outlets 22, 220 are provided so that water in the breeding containers 2, 20 flows into the water receiving containers 3, 30. What is necessary is just to be a tank.

  Further, the water inlets 22 and 220 described above are formed at one place in the vicinity of the center of the upper surfaces of the wall surfaces 21 and 210 of the breeding containers 2 and 20, but the present invention is not limited to this, and the walls 21 and 210 are not limited thereto. It may be provided at a plurality of locations in the upper part, or may be provided in the entire width direction of the upper parts of the walls 21 and 210, as long as it is provided at least above the walls 21 and 210 of the breeding containers 2 and 20 Good.

  When the through-hole 22a is formed and becomes the water inlet 22, the smaller the size of the through-hole 22a, the wider the applicable range of aquatic organisms that can be bred in the aquarium 1, but the water in the breeding container 2 is on the water-receiving container 3 side. It is most preferable that the size is set to a size that is suitable for passing through to the water receiving container 3 even if it is a small fish such as a fry.

  Moreover, when the aquarium 1 is manufactured according to the breeding object, the dimension of the penetration part 22a of the water flow opening 22 may be determined depending on the size of aquatic organisms.

  In addition, the penetration part 22a should just be the structure which has the effect of the filter into which the water of the breeding container 2 flows in into the water receiving container 3, for example, the comb-like penetration part on the upper part of the wall 21 of the breeding container 2 May be formed, or a configuration in which a filter member or the like is attached may be used.

  In the above description, the wall surface 21 of the breeding container 2 and the wall surface 31 of the water receiving container 3 are adjacent to each other, or the wall surface 210 of the breeding container 20 and the wall surface 310 of the water receiving container 30 are adjacent to each other via the protective plate 70. However, the adjacent wall surfaces 21, 210, 31, 310 may be curved surfaces, and at least the water inlets 22, 220 are provided at the upper portions of the walls 21, 210 on the rearing container 2, 20 side. If the walls 21 and 210 are configured such that water flowing out exceeding the maximum allowable water level can flow into the water receiving containers 3 and 30 through the water inlets 22 and 220, the shape thereof is particularly limited. It is not a thing.

  In the first and second embodiments described above, in addition to the breeding containers 2 and 20 and the water receiving containers 3 and 30, the water tank 1 including the water storage containers 4 and 40, the bottom cover 5 and 50, the top cover 6 and the like. Although it demonstrated as 10, this invention should just be comprised including the breeding containers 2 and 20 and the water receiving containers 3 and 30 which were each formed separately.

  As described above, the aquariums 1 and 10 of the present invention are formed separately from the breeding containers 2 and 20 in which water is filled and aquatic organisms are bred, and the breeding containers 2 and 20. 2 and 20, the water receiving containers 3 and 30 disposed adjacent to the water receiving containers 2 and 20, and the breeding containers 2 and 20 have a water inlet 22 through which water in the containers flows into the water receiving containers 3 and 30. 220, and when the water level of the breeding containers 2 and 20 exceeds a predetermined water level X, the water in the breeding containers 2 and 20 is transferred to the water receiving containers 3 and 30 through the water inlets 22 and 220. Since it is configured to flow in, since water is newly injected into the breeding containers 2 and 20, the water in the breeding containers 2 and 20 flows into the water receiving containers 3 and 30 and the water is replaced. Compared to the conventional water replacement operation, the operation time is greatly reduced.

  In addition, since the rearing containers 2 and 20 and the water receiving containers 3 and 30 are formed separately, the water collected after removing the water receiving containers 3 and 30 after injecting the required amount of water into the rearing containers 2 and 20. It is only easy to dispose of the battery, and it is very easy without any work.

  Furthermore, since it is a simple structure only having the breeding containers 2 and 20 and the water receiving containers 3 and 30 having at least the water flow ports 22 and 220, it is inexpensive.

  All the numerical values in the above description are design items and are not limited to the embodiments.

  The embodiment described above is merely an example of the present invention, and it is needless to say that the specific configuration and the like can be appropriately changed and designed within the scope of the effects of the present invention.

DESCRIPTION OF SYMBOLS 1,10 ... Water tank 2,20 ... Breeding container 3,30 ... Receiving container 4,40 ... Storage container 5,50 ... Bottom cover 70 ... Protection plate 21,210 ... Wall (wall surface)
22, 220 ... water inlet 23, 230 ... guide part 31, 310 ... (water receiving container) wall (wall surface)
53 ... Light emitting part 22a ... Penetration part X ... Predetermined water level (maximum allowable water level)

Claims (7)

A breeding container filled with water and aquatic organisms;
A water receiving container formed separately from the breeding container and disposed adjacent to the breeding container;
With
The breeding container is provided with a water outlet for allowing water in the container to flow into the water receiving container,
When the water level of the breeding container exceeds a predetermined water level, water in the breeding container flows into the water receiving container through the water passage.   The water tank according to claim 1, wherein the water passage has a plurality of through portions.   The aquarium according to claim 1 or 2, wherein the breeding container is provided with a guide portion for guiding water flowing out from the water passage to the water receiving container.   The aquarium according to any one of claims 1 to 3, wherein the breeding container and the water receiving container are fixedly arranged by a bottom cover.   The water tank according to claim 4, wherein the bottom cover is provided with a light emitting part.   The water tank according to any one of claims 1 to 5, further comprising a water storage container that can be engaged inside the water receiving container and that can store water to be injected into the breeding container. The aquarium according to any one of claims 1 to 6, wherein a protective plate is provided between adjacent faces of the breeding container and the water receiving container.

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