JP2015195785A - Internal type filter device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an internal type filter device disposed in a water bath and enabled to filter water in the water bath quickly and efficiently over a wide range and to replace a filter medium easily.SOLUTION: A suction/drainage system B and an internal filter C are connected to the upper face and the side face of a pedestal A, respectively. The internal filter C has a thin plate-like filter medium 41 mounted retractably in a flat filter frame 30, and the flat outer face of the filter medium 41 has its substantially whole area exposed to the inside of a water bath V.

Description

  The present invention is an internal filtration device provided in an aquarium for breeding ornamental fish such as goldfish, tropical fish, saltwater fish, in particular, it can be compactly attached to corners and side surfaces in the aquarium, and has high filtration efficiency. The present invention relates to an internal filtration device that allows easy replacement of filter media.

  Conventionally, in order to breed and cultivate the ornamental fish in an aquarium, an internal filtration device in which a filtration main body is arranged at a corner portion in the aquarium to filter water in the aquarium is known (for example, See Patent Document 1 below).

JP 2004-57071 A

  By the way, since the internal-type filtration apparatus shown by the said patent document 1 is provided in the corner part in an aquarium, the kind and number of ornamental fish bred in an aquarium, the magnitude | size of an aquarium, the presence or absence of aquatic plants in an aquarium, etc. In some cases, a desired filtration efficiency may not be obtained.

  Moreover, in the said internal type | formula filtration apparatus, since a filter medium is accommodated in a closed filter case, there also exists another problem that the replacement | exchange operation | work of the filter medium which needs replacement | exchange periodically is troublesome.

  The present invention has been made in view of such circumstances, and provides a new internal filtration device that allows water in a water tank to be filtered quickly and efficiently over substantially the entire area thereof, and also allows easy replacement of the filter medium. For the purpose.

In order to achieve the object, the invention described in claim 1 includes a pedestal installed at a corner portion in the aquarium, a water intake / drainage device connected to an upper surface of the pedestal and provided at the corner portion in the aquarium, and the pedestal. An inner surface filter connected to the side surface of the water tank and provided along the side surface in the water tank,
The water suction and drainage device includes a water suction passage that communicates the suction port of the pump and the inside of the water tank, and a water supply passage that communicates the discharge port of the pump and the inside of the water tank,
The inner surface filter includes a filtration frame that is formed flat along a side surface in the water tank, and a thin plate-shaped filter medium that can be inserted into and removed from the filtration frame. A filtration chamber communicating with the water absorption channel is formed between the two and the flat outer surface of the filter medium is directly exposed in the water tank.

  In order to achieve the object, the invention described in claim 2 is the one described in claim 1, wherein a plurality of the inner surface filters are detachably connected in parallel along the side surface in the water tank. It is characterized by.

  In order to achieve the above object, according to a third aspect of the present invention, in the first or second aspect of the present invention, the filter medium is edged by a filter medium edge frame, and a lower part of the filter medium edge frame opens and closes to the filter frame. It is characterized by being pivotally connected as possible.

  In order to achieve the object, the invention according to claim 4 is the one according to claim 1, 2, or 3, wherein the water suction and drainage device includes a case main body containing a coarse filter medium and a dense filter medium, The water in the water tank sucked into the case body by the operation of the pump is filtered by the coarse filter medium and the dense filter medium.

  In order to achieve the object, the invention according to claim 5 is the one according to claim 1, 2, 3 or 4, wherein the plate-like filter medium is formed by integrally laminating a hard filter medium and a soft filter medium. It is characterized by that.

  According to the first aspect of the present invention, the suction / drainage device and the inner surface filter are formed separately, and they are provided separately in the corner portion and the inner surface in the water tank. The appearance of the appearance can be improved without occupying a large area, and the thin plate-shaped filter medium can ensure a wide filtration area and greatly improve the filtration efficiency. Moreover, since a filtration apparatus is comprised by connecting a suction / drainage apparatus and an internal-surface filter to a base, the assembling property in a water tank is good. In addition, the filtration area of the back surface of the back filter part is exposed directly in the aquarium, so that microorganisms such as ringworms and daphnia adhering to and breeding on the filtration surface can be used as ornamental fish. It can be eaten, thereby making it difficult to clog the filter media.

  According to the invention described in claim 2, since the plurality of inner surface filters are detachably connected in parallel along the back surface in the water tank, the occupied area in the water tank is reduced and the filtration area is easily expanded. be able to.

  According to the third aspect of the present invention, the filter medium is edged by the filter medium edge frame, and the lower part of the filter medium edge frame is pivotally connected to the filter frame so as to be openable and closable. It is possible to make the replacement work of the plate-shaped filter medium easier by opening and rotating.

  According to the invention of claim 4, the water suction and drainage device includes a case main body that contains a coarse filter medium and a dense filter medium, and the water in the water tank sucked into the case main body by the operation of the pump is: Since filtration is performed by the coarse filter medium and the dense filter medium, a wide range of water in the water tank can be filtered by the water suction and drainage device and the inner surface filter, and the filtration efficiency is further enhanced.

  According to the fifth aspect of the present invention, the plate-shaped filter medium is formed by integrally laminating the hard filter medium and the soft filter medium.

The perspective view which shows the state which installed the internal type filtration apparatus which concerns on this invention in the water tank The enlarged front view of the internal type filter along line 2-2 in FIG. Enlarged cross-sectional view along line 3-3 in FIG. Enlarged cross-sectional view along line 4-4 in FIG. Enlarged sectional view taken along line 5-5 in FIG. 2 is an enlarged sectional view taken along line 6-6 in FIG. FIG. 2 is an enlarged sectional view taken along line 7-7. Enlarged sectional view taken along line 8-8 in FIG. Enlarged sectional view taken along line 9-9 in FIG. Perspective view of internal filter Disassembled perspective view of internal filter Sectional view same as FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  An embodiment of the present invention will be described with reference to FIGS.

  The internal filtration device is detachably connected to a pedestal A installed at a corner portion in the water tank V, a suction / drainage device B detachably connected to the upper surface of the pedestal A, and a side surface of the pedestal A. It is comprised from the inner surface filter C.

  As shown in FIGS. 4, 5, 8, and 9, the pedestal A is formed by a triangular hollow body whose opposite corners are chamfered in a plan view so that the pedestal A is installed on the bottom surface of the corner in the water tank V without a gap. The suction cups 6 and 6 are attached to the back surfaces 3 and 3 of the pedestal A that are perpendicular to the plan view, and the pedestal A is detachably attached to the corner portion in the water tank V by the suction cups 6 and 6. It is done. The interior of the pedestal A is a water absorption chamber 7. In contrast, inlets 8 a and 8 b communicating with the water absorption chamber 7 are opened on the left and right side surfaces 2, 2 on both sides of the front surface 1 of the pedestal A. One inflow port 8 a is closed by a male plug body 9, and the other inflow port 8 b is closed by a female plug body 10.

  As shown in FIGS. 8 and 9, in this embodiment, an inner surface filter C described later is connected to one inflow port 8 a, and the other inflow port 8 b is closed by a female plug body 10.

  In addition, as shown to the chain line of FIG. 8, it is possible to remove the female plug body 10 and to connect the inner surface filter C to the other inflow port 8b.

  An outlet 15 is opened on the base side of the central portion of the upper surface 4 of the pedestal A, and a bottom inlet 22 of a suction / drainage device B, which will be described later, is connected to the outlet 15 via a joint 17 (see FIG. 9).

  Moreover, the other outflow port 16 is opened in the center part of the upper surface of the base A, and this other outflow port 16 is closed by the plug body 18 in this embodiment.

  In addition, this other outflow port 16 is for connecting to another suction / drainage device (not shown) having a larger capacity instead of the suction / drainage device B used in this embodiment.

  As shown in FIGS. 1 to 3, the water suction / drainage device B connected on the pedestal A is configured by connecting a drive unit 21 containing a water pump P to the upper part of a triangular prism-shaped case body 20. A plurality of suction cups 23 are attached to the back surface of the case body 20, and the suction / drainage device B is detachably attached to the corner surface in the water tank V by the suction cups 23. In the case main body 20, a coarse filter medium 24 is accommodated in the lower part thereof, and a dense filter medium 25 is accommodated in the upper part thereof, and the first front face of the case main body 20 faces the coarse filter medium 24. A suction port 26 faces the dense filter medium 25 and a second suction port 27 is opened. The suction port of the water pump P in the drive unit 21 is communicated with a water suction path 28 provided inside the coarse and dense filter media 24 and 25 in the case body 20, and the discharge port of the water pump P is connected to the drive unit. The water tank 19 communicates with the water tank V through a water supply channel 19 provided at the upper part of the water tank 21. The water absorption path 28 is vertically connected to the central portion in the case body 20, and the lower end of the water absorption path 28 is communicated with the water absorption chamber 7 in the base A through the bottom suction port 22 at the lower end of the case body 20. Moreover, the upper end of the water absorption path 28 is communicated with the suction port of the water pump P. Therefore, when the water pump P is driven, the water in the water absorption chamber 7 of the base A is sucked up through the water absorption path 28 and diffused into the water tank V through the water supply path 19. Also. By driving the water pump P, the water in the water tank V is filtered through the coarse filter medium 24 and the dense filter medium 25 from the first and second suction ports 26 and 27 and then into the water tank V through the air passage 28. It is supposed to dissipate.

  The suction / drainage device B may contain a purification container containing a purification material such as activated carbon or barley stone together with the dense filter medium 25 or instead of the dense filter medium 25. In this case, The water that has passed through the second suction port 27 circulates.

  Next, the structure of the inner surface filter C operated by the water suction / drainage device B will be described.

  As shown in FIGS. 1, 2, 4, and 5, in this embodiment, two inner surface filters C (1) and C (2) are connected in parallel (the two inner surface filters C have a subscript (1 ) And (2)).

  As shown most clearly in FIGS. 10 and 11, each inner surface filter C is formed in a flat plate shape by superposing a filter medium border frame 40 that borders a filter medium 41 on the filter frame 30, and its opening. The upper surface is configured to be opened and closed by the lid 29. The filter frame 30 is formed in a rectangular shape by a vertically long plate material, and a flat filter chamber 32 is formed by the inner surface (the surface facing the filter material 41) and the plate-shaped filter material 41 edged by the filter material rim frame 40. Is done. On the inner surface of the filtration frame 30, a plurality of protrusions 31 that partition the filtration chamber 32 are provided to protrude in the horizontal direction. A water passage 33 communicating with the filtration chamber 32 is formed along the width direction of the lower portion of the filtration frame 30. Female and male joints 34 and 35 are provided at both ends of the water passage 33. Is formed. The joints 34 and 35 are connected to the male and female joints 34 and 35 formed in the water passage 33 of the other filtration frame 30 or the inlets 8a and 8b formed in the base A (see FIG. 5). ), And the upper part of the filtration chamber 32 communicates with the water tank V. A pair of suction cups 37 are attached to the back surface of the filtration frame 30, and the filtration frame 30 is tightly joined to the inner wall surface of the water tank V by these suction cups 37.

  The filter medium rim frame 40 joins the left and right side frames 42 and 43 having an L-shaped cross section with the upper and lower parts, and the lower frames 44 and 45 in order to hold the plate-shaped filter medium 41 in a freely removable manner. And it is formed in a frame shape. Hinge holes 47 are formed on both sides of the lower end of the filter medium rim frame 40, and these hinge holes 47 are rotatably connected to hinge pins 38 provided on both sides of the lower end of the filter frame 30, so that the filter medium rim frame 40 is filtered. It can be rotated with respect to the frame 30 (see FIG. 12).

  A pair of hook-shaped engagement protrusions 39 are integrally formed on the lower portions of the right and left sides of the filter frame 30, while the right and left sides of the filter medium frame 40 are engaged with the engagement protrusions 39. A locking recess 46 is formed, and the engaging protrusion 39 and the locking recess 46 are formed with an engaging piece 39a and a locking piece 46a that can be engaged with each other. As shown in FIG. 12, when the filter medium rim frame 40 is rotated outward (inward in the water tank V) around the hinge pin 38 with respect to the filter frame 30, the engagement piece 39a and the locking piece 46a are Engaging with each other, the rotation angle of the filter medium rim frame 40 with respect to the filter frame 30 is regulated to facilitate the extraction or insertion of a plate-shaped filter medium 41 described later.

  The plate-like filter medium 41 is formed in a rectangular shape that is long in the vertical direction, and is configured by integrally superposing a hard filter medium 41a having a thickness of about 1 mm and a soft filter medium 41b having a thickness of about 6 mm. An edge frame 48 having a U-shaped cross section is fixed to the upper edge of the filter medium 41 over its entire width. A handle 49 is integrally provided at the center of the edge frame 48. The plate-like filter medium 41 has the hard filter medium 41a facing the front side (side facing the water tank V) and the soft filter medium 41b facing the back side (side facing the inner wall surface of the water tank V). It is inserted and held in the filter medium rim frame 40 so as to be freely detachable.

  On the left and right outer surfaces of the inner surface filter C, that is, the left and right outer surfaces of the filter medium rim frame 40, female and male connection pieces 50 and 51 for connecting two parallel inner surface filters C and C in parallel are provided.

  In the embodiment of the present invention, as shown in FIGS. 1 to 5, two (first and second) inner surface filters C (1) and C (2) are connected in parallel to form an inner surface in the water tank V. Secure to. In this case, the upper portions of the first and second inner surface filters C (1) and C (2) are projected upward from the water surface in the water tank V.

  One inflow port 8a on one side surface 2 of the base A is connected to one joint (female joint) 34 of the first inner surface filter C (1), and the first inner surface filter C (1). One joint (male joint) 34 of the second inner surface filter C (2) is connected to the other joint (female joint) 35, and the first and second inner surface filters C (1), C (2 ) Are closely connected to each other via female and male connection pieces 50 and 51, and their back surfaces are joined to the inner side surface of the water tank V by a suction cup 37. The outer end of the water passage 33 of the second inner surface filter C (2) is closed by the plug body 9.

  Now, when the water pump P of the suction / drainage device B is driven by the operation of the internal filtration device, the water in the water tank V flows into the intake / exhaust device B as shown by arrows x and y in FIGS. In addition to being filtered by the coarse filter medium 24 and the dense filter medium 25, the water in the central region in the water tank V is directly filtered over a wide range by the inner surface filters C (1) and C (2) according to the present invention. Is done. That is, according to the operation of the water pump P, two (first and second) inner surface filtration devices C (1) and C (2) lower portions are provided via the bottom suction port 22 opened on the bottom surface of the suction / drainage device B. The water absorption force acts on the water passages 33, 33. As a result, the water in the water tank V is filtered through the plate-shaped filter medium 41 exposed in the water tank V as shown in FIGS. , 9 as shown by arrows b and c, the water is sucked into the suction / drainage device B through the filtration chamber 32 and the water passage 33, passes through the water suction passage 28 in the device B, and passes through the water supply passage 19 from the discharge port of the water pump P. After that, it is diffused into the water tank V.

  Thus, the inner surface filtering devices C (1) and C (2) are disposed in a wide range along the inner wall surface in the water tank V and thinly in the thickness direction of the inner wall surface. Is filtered through a wide filtration surface of the plate-shaped filter medium 41, and a high filtration efficiency can be ensured. Moreover, the inner surface filtration devices C (1) and C (2) can partially localize a part of the water tank V. It does not occupy, and this does not interfere with the appreciation of the aquarium fish in the aquarium V, so that the appearance can be improved and the commercial value can be increased. In addition, microorganisms such as rotifers and daphnids adhere to and propagate on the filtration surface directly exposed in the aquarium V, but the microorganisms can eat directly as raw food by the aquarium fish, and the filter medium 41 can thereby be eaten. It will be hard to clog. Furthermore, the filter medium 41 composed of two layers of hard and soft has good shape retention despite being formed thin, and the hard filter medium 41a is exposed in the water tank V, so that the filter medium 41 can be prevented from being damaged. It is done.

  By the way, the filter medium 41 needs to be periodically replaced due to dirt, fish excrement, and residual dirt such as residual bait, and contamination due to accumulation. In such a case, as shown in FIG. After the removal, the filter medium rim frame 40 is rotated outwardly with respect to the filter frame 30 together with the filter medium 41, and the filter medium 41 is pulled out or inserted, whereby the filter medium can be easily replaced.

  Although the embodiment has been described above, the present invention is not limited to the embodiment, and various other embodiments are possible within the scope of the present invention.

  For example, in the embodiment, the pedestal A is configured to selectively connect two water intake / drainage devices B having different capacities, but the pedestal A may be configured to connect one water intake / drainage device B. Good.

  Moreover, in the said embodiment, although it comprises so that two internal surface filters C may be connected to the base A along the internal surface in the water tank V, the base A has one or three or more internal surface filters C. May be connected. Further, one or a plurality of inner surface filters C may be connected to the other inlet 8b of the base A.

19 ·················································································································· Water absorption pipe 30... Filtration frame 40... Filter medium border frame 41... Filter medium 41 a .. Hard filter medium 41 b .. Soft filter medium A ... Pedestal B ... Water intake / drainage device C ... Internal filter P ... Pump (water pump)
V ... Water tank

Claims (5)

A pedestal (A) installed at a corner portion in the aquarium (V), an intake / drainage device (B) connected to the upper surface of the pedestal (A) and provided at the corner portion in the aquarium (V); An internal filter (C) connected to the side surface of the pedestal (A) and provided along the side surface in the water tank (V),
The suction / drainage device (B) communicates the suction port of the pump (P) and the inside of the water tank (V), and the discharge port of the pump (P) and the inside of the water tank (V). A waterway (19),
The inner surface filter (C) includes a filtration frame (30) formed flat along the side surface in the water tank (V), and a thin plate-shaped filter medium (removable to the filtration frame (30)). 41), a filtration chamber (32) communicating with the water absorption path (28) is formed between the inner surface of the filter medium (41) and the filter frame (30), and the filter medium (41) is flat. An internal filtration device, wherein the outer surface is substantially exposed directly in the water tank (V).   The internal filter according to claim 1, wherein a plurality of the inner surface filters (C) are detachably connected in parallel along a side surface in the water tank (V).   The filter medium (41) is framed by a filter medium frame (40), and a lower part of the filter medium frame (40) is pivotally connected to the filter frame (30) so as to be opened and closed. The internal filtration device according to claim 1 or 2.   The water suction and drainage device (B) includes a case body (20) containing a coarse filter medium (24) and a dense filter medium (25). The internal filtration according to claim 1, 2 or 3, wherein the water in the sucked water tank (V) is filtered by the coarse filter medium (24) and the dense filter medium (25). apparatus.   The internal expression according to claim 1, 2, 3 or 4, wherein the plate-shaped filter medium (41) is formed by integrally laminating a hard filter medium (41a) and a soft filter medium (41b). Filtration device.

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