JP6280059B2 - Filtration device - Google Patents

Description

  The present invention relates to a filtration device that is attached to an aquarium such as an aquarium for aquarium fish and a breeding aquarium and circulates while filtering water (fresh water, seawater, etc.) in the aquarium.

  In addition, in the claims and the present specification, regarding the filtration device, the word “front” in “front wall”, “front”, “front opening”, etc., is attached to the inside of the side wall of the aquarium. In this state, the side close to the center of the water tank internal space in the filtration device is referred to as “front”.

  Further, in the claims and the present specification, with respect to the filtration device, the term “rear” in “rear” and the like means that the water tank of the filtration device is in the state where the filtration device is mounted inside the side wall of the water tank. The side close to the side wall is called “rear”.

  Further, in the claims and the present specification, regarding the filtering device, the term “back wall” means that the side of the filtering device close to the side wall of the water tank when the filtering device is mounted inside the side wall of the water tank. This wall is called “back wall”.

  As a filtration device for purifying water such as an aquarium fish tank, an external filtration device is known which is hung on the side wall of the water tank and circulates while filtering the water in the water tank. This type of external filtration device is a filter that is hung on the outer wall of the aquarium and is convenient for filter replacement. One side of the main body is formed in a curved shape and has a hanging portion for hanging on the outer wall of the aquarium. A cover plate is formed in the opening above the main body, and is divided into a main body and a cover plate to form one filter section, a filter is provided in the filter section, and one side different from the filter section is A pipe section having a motor, a conduit having an air control knob, and a curved pipe having a flow control knob are accommodated in the pipe section, and the filtration section and the conduit section communicate with each other. An external filter is known in which a drainage port is formed between plates, and a standing seat is formed that is sandwiched on one side different from the drainage port to leave a curved pipe (see Patent Document 1).

Utility Model Registration No. 3074582

  The above-mentioned external filter has a problem that it has a high filtering ability but has a large driving sound and is not very quiet.

  In addition, since the outer filter device is hung on the side wall of the aquarium, it feels cluttered and the atmosphere around the aquarium becomes an atmosphere, and it is unnecessary to hang the filter device around the aquarium. There is also a problem that space cannot be saved because space must be secured.

  The present invention has been made in view of such a technical background, and can save space as the entire aquarium facility, and has low noise and excellent quietness, and has a good filtering ability. An object of the present invention is to provide a filtration device.

  In order to achieve the above object, the present invention provides the following means.

[1] A filtration device that is disposed in an aquarium and is used by submerging at least part of the aquarium water in the aquarium
It is equipped with a filtration chamber through which water to be filtered is sent,
A part of the constituent wall of the filtration chamber is formed by a filtration filter provided with a filtering material,
The filtration device, wherein the filtration filter is detachably attached to the filtration chamber.

[2] The front wall of the filtration chamber is formed by the filtration filter,
2. The filtration device according to item 1, wherein the filtration filter can be released from the attached state by moving at least an upper part thereof forward, and the removed filtration filter can be pulled out substantially upward. .

[3] The front wall of the filtration chamber is formed by the filtration filter,
The filter filter can be released from the attached state by inclining the filter from the lower side to the upper side, and the removed filter can be pulled out substantially upward. 2. The filtration device according to 1.

[4] A locking front protrusion that protrudes forward is provided at an upper position of the filtration chamber, and a locking piece that protrudes downward is provided on the front end side of the locking front protrusion.
The filtration filter is arranged so as to cover the front opening of the filtration chamber, and the lower end edge of the filtration filter is arranged in contact with the bottom wall of the filtration chamber, and the upper edge of the filtration filter The section 2 is positioned on the back side of the locking piece of the filtration chamber and is engaged with the locking piece, whereby the filtration filter is detachably attached to the filtration chamber 2 or 4. The filtration device according to 3.

[5] A side plate extends forward from each of the left and right sides of the front opening of the filtration chamber, and a groove extending in the vertical direction is formed on the inner surface of the side plate.
Of the pair of front and rear groove side surfaces forming the groove portion, the front side groove side surface is formed on an inclined guide surface that is inclined rearward from the upper side to the lower side,
When attaching the filtration filter to the front opening of the filtration chamber, if the filtration filter is moved downward from above, the left and right ends of the lower end edge of the filtration filter are respectively inclined guide surfaces. The filtration device according to any one of the preceding items 2 to 4, wherein the filtration device is configured to be in contact with and guided rearward.

[6] A motor attached to the bottom wall of the filtration chamber;
An outer case that houses the filtration chamber to which the motor and the filtration filter are attached, and
6. The filtration device according to any one of the preceding items 1 to 5, wherein the filtration chamber and the motor can be taken out from the exterior case in an integrated state.

  [7] The filtration device according to [6], wherein a plurality of water intake holes are formed on the bottom side of the front wall of the exterior case.

  [8] The filtration device according to any one of the preceding items 1 to 7, wherein a spout for filtered water filtered in the filtration chamber is provided at an upper position of the filtration device.

  [9] The filtration device according to item 8 above, wherein a filtered water discharge plate protruding forward is provided at a position directly below the spout.

  [10] The filtration device according to any one of items 1 to 9, further comprising a porous body arranged in the filtration chamber.

  [11] The filtration device according to [10], wherein the porous body is a resin sponge member.

  In the invention of [1], a part of the constituent wall of the filtration chamber is formed by a filtration filter provided with a filtering material, and the aquarium water sent into the filtering chamber is converted into a filtering filter provided with the filtering material. By passing, filtered filtered water is discharged. This filtration device is excellent in silence because at least a part thereof is submerged in the aquarium water in the aquarium so that the operation noise such as the motor driving noise can be reduced. Further, in the filtration chamber, only the filtration filter serves as a discharge port for the aquarium water (that is, a member through which the aquarium water can pass). Therefore, all of the aquarium water sent into the filtration chamber is the filtration filter. Is filtered and discharged as filtered water, so that the present filtration device has a good filtration capacity. Moreover, since this filtration apparatus is arrange | positioned and used in a water tank, the circumference | surroundings of a water tank will feel refreshed, and space saving can be achieved as the whole water tank equipment.

  In the inventions of [2] and [3], when the filtration device is mounted in the water tank, at least the upper side of the filtration filter is moved to the front side (inside the water tank) and the filtration filter is pulled out substantially upward. Therefore, even if this filtration apparatus is installed in a water tank with a frame, it is possible to smoothly remove and replace the filter without causing interference with the frame of the water tank. Therefore, the filtration filter can be removed and replaced while the filtration device is installed in the water tank (ie, it is not necessary to remove the filtration device and remove the entire filtration device from the water tank), and the filtration filter can be removed and replaced. Work is greatly facilitated.

  Furthermore, in the invention of [3], since the attachment state can be released by making the filtration filter incline toward the front side from below to above, the attachment state can be released. Since it can be pulled out obliquely upward on the front side, even if this filtration device is installed in a frame-equipped aquarium with a relatively large frame width, the filtration filter can be smoothly moved without causing interference with the aquarium frame. Can be removed and replaced.

  In the invention of [4], it is possible to remove the filtration filter only by releasing the engagement state of the upper end side edge portion of the filtration filter with respect to the locking piece (only by the engagement release operation on the upper side). The removal operation of the filter is further facilitated.

  In the invention of [5], when the filtration filter is attached to the front opening of the filtration chamber, the left and right ends of the lower end edge of the filtration filter are each in contact with the inclined guide surface and guided to the rear side. It is possible to further facilitate the attachment work (attachment work) of the filtration filter to the front opening of the filtration chamber.

  In the invention of [6], since the motor is attached to the bottom wall of the filtration chamber, the filtration chamber and the motor can be taken out from the exterior case in an integrated state (together) when performing motor maintenance, etc. This makes it very easy to take out the motor.

  In the invention of [7], since a large number of water intake holes are formed on the bottom side of the front wall of the exterior case, and a large number of water intake holes exist at a position substantially in front of the motor, the aquarium water can be taken in smoothly. Can do.

  In the invention of [8], since the water outlet of the filtered water is provided at the upper position of the filtration device, it becomes possible to drop the filtered water from the water outlet toward the water surface in the water tank and discharge it. It is possible to observe the discharge state of the filtered water from the water outlet, and to improve the interest, and the operation state of the filtration device can also be confirmed by the discharge flow rate or the like.

  In the invention of [9], since the filtered water discharge plate protruding forward is provided at a position directly below the water discharge port, the filtered water can be discharged at a further forward position with respect to the filtering device. Further, it is possible to further improve the discharge flow rate and the like.

  In the invention of [10], since the porous body is disposed in the filtration chamber through which the aquarium water is sent, bacteria and the like are sufficiently proliferated in the porous body. As described above, bacteria and the like are sufficiently propagated in the porous body, so that even if the filtration filter is replaced with a new one, the bacteria are not temporarily reduced significantly in the filtration apparatus.

  In the invention [11], since the porous body is formed of a resin sponge member, bacteria and the like are more easily propagated in the porous body, and the filtration performance can be further improved.

It is a perspective view which shows the filtration apparatus of this invention. It is a figure which shows the filtration apparatus of this invention, Comprising: (A) is a front view, (B) is a top view, (C) is a rear view, (D) is a left side view, (E) is a bottom view. It is a top view which shows the filtration apparatus of this invention in the state which removed the cover body. It is a perspective view shown in the state where the filtration device of the present invention was separated. It is a figure which shows the main-body part in the state to which the motor was attached, Comprising: (A) is a rear view, (B) is a bottom view. It is a perspective view from the lower surface side which shows the state just before attaching a motor to a main-body part. It is a figure which shows the support frame which comprises a filtration filter, Comprising: (A) is a perspective view from the front side, (B) is a perspective view from the back side. (A) is a perspective view from the lower surface side of a cover body, (B) is a bottom view of a cover body. It is sectional drawing explaining the removal procedure of a filtration filter, (A) is a longitudinal cross-sectional view of a filtration apparatus, (B) is a longitudinal cross-sectional view which shows the state which fell down the filtration filter to the front side, (C) is filtration. It is a longitudinal cross-sectional view which shows the state in the middle of pulling out the filter toward the upper direction. It is a perspective view which shows an example of the state which mounted | wore the water tank with the filtration apparatus of this invention. FIG. 11 is a top view in the mounted state of FIG. 10 (a top view showing a state where a lid is removed). It is a longitudinal cross-sectional view of the filtration apparatus which shows the flow of the water in the filtration apparatus at the time of use.

  An embodiment of a filtration device according to the present invention will be described with reference to the drawings. The filtration device 1 includes an exterior case 2, a main body 3, a motor 4, a filtration filter 5, and a lid 6 (see FIGS. 1 and 4).

  The said main-body part 3 is equipped with the filtration chamber 30 into which the aquarium water of filtration object is sent. The filtration chamber 30 includes a substantially rectangular back wall 31C, a side wall 31D extending from the left edge of the back wall 31C, and a side wall 31D extending from the right edge of the back wall 31C. The upper wall 31A connected to the upper edge of the three walls, the lower wall (bottom wall) 31B connected to the lower edge of the three walls (back wall and left and right side walls), and the four walls And the filtration filter 5 attached to the front opening 41 formed by the front end edges of the left and right side walls, the upper wall, and the lower wall (see FIGS. 4 to 6, 9, and 12). The filtration filter 5 constitutes the front wall of the filtration chamber 30, but water can pass through the filtration filter 5.

  Side plates 45 are extended forward from the left and right sides of the front opening 41 of the filtration chamber 30 (see FIGS. 4 to 6). That is, the side plates 45 extend forward from the front edges of the left and right side walls 31D. A groove 42 extending in the vertical direction is formed on the inner surface of the side plate 45 (see FIG. 4). Of the pair of front and rear groove side surfaces 43, 44 that form the groove portion 42, the front side groove side surface 43 has an inclined surface (inclined guide surface) that is inclined rearward (back wall 31 </ b> C side) from above to below. Is formed. On the other hand, the groove side surface 44 on the rear side is formed as a vertical surface extending in the vertical direction (see FIG. 4). The distance between the lower end portion of the front groove side surface 43 and the lower end portion of the rear groove side surface 44 is designed to be equal to or slightly larger than the thickness of the lower end portion of the filter 5. ing. The lower wall (bottom wall) 31B extends forward, and both left and right edges thereof are connected to lower end edges of the left and right side plates 45 and 45, respectively.

  Upper protrusions 37 extending upward from the left and right end portions of the front edge of the upper wall 31A are provided, and the locking front protrusions 38 extend forward from the upper end side of the upper protrusion 37. Is extended, and a locking piece 39 protruding downward is provided at the front end of the locking front protrusion 38 (see FIGS. 3 and 4). The interval (gap) between the upper protrusion 37 and the locking piece 39 is set to be slightly larger than the thickness of the upper end side edge (shoulder) 52 of the filtration filter 5 (see FIG. 4). .

  A first cord fixing portion 46 protrudes upward from the upper edge portion of the back wall 31C. The first cord fixing portion 46 includes a groove 46A for inserting and fixing an electric cord. The cross-sectional shape of the groove 46A is configured such that the groove width gradually decreases from the groove bottom surface 46C toward the opening 46B (see FIGS. 4 to 6). A second cord fixing portion 47 formed of a groove extending in the vertical direction is provided at the lower end portion of the back wall 31C (see FIGS. 5 and 6). The groove width of the second cord fixing portion 47 is designed to have a size (width) that can receive the electric cord 75 in an adapted state.

  A motor fixing hole 32 is formed on the rear side (back wall 31C side) of the lower wall 31B. That is, a motor fixing hole 32 having a circular shape in plan view is formed in a part of the lower wall 31B corresponding to the filtration chamber 30 (see FIG. 6). In the region on the right side of the lower wall 31B, the first projecting plate 33A and the second projecting plate 33B that are adjacent to each other with a slight gap project downward, and in the region on the left side of the lower wall 31B. A third projecting plate 33C projects downward (see FIG. 6). The spacing between the third projecting plate 33C and the second projecting plate 33B is designed to be substantially the same as the width of the motor 4.

  A short pipe portion 34 protrudes inward (upward) from the peripheral edge of the motor fixing hole 32 in the lower wall 31B, and four support pieces 35 are formed from the upper edge of the short pipe portion 34. A baffle plate (horizontal plate) 36 is connected to the tips of the support pieces 35 (see FIG. 9). Since the baffle plate (horizontal plate) 36 is disposed at a position (corresponding position) immediately above the motor fixing hole 32, the aquarium water fed from the motor fixing hole 32 is the baffle plate. It hits 36 and it will approach in all the directions of a horizontal direction (refer FIG. 12).

  A porous body 59 is disposed in the filtration chamber 30. The porous body 59 is disposed in a space between the baffle plate 36 and the upper wall 31A in the filtration chamber 30 (see FIG. 9).

  A space (a space surrounded by the pair of left and right side plates 45, the lower wall 31B, the filtration filter 5, and the front wall 21 of the exterior case) is provided at the front surface position of the filtration chamber 30 in the main body 3. This space is a space (filtrated water discharge space) 40 for flowing the filtered water filtered by passing through the filtration filter 5 upward (toward the water discharge port 26) (FIGS. 3 and 9). reference). As the main body 3, an upper corresponding region of the filtered water discharge space 40 is opened (no wall is formed).

  The exterior case 2 includes a substantially rectangular front wall 21, a side wall 22 </ b> A extending rearward from the left edge of the front wall 21, and extending rearward from the right edge of the front wall 21. The side wall 22B thus formed has a substantially L-shaped cross section, and one L-shaped tip is connected to the left side wall 22A and the other L-shaped tip is connected to the right side wall 22B. The back wall 23 connected, and the bottom wall 20 connected to the lower edge of the four walls (the front wall 21, the back wall 23, and the left and right side walls 22A, 22B) are provided (FIGS. 1 to 3). reference). Thus, a main body mounting opening 29 is formed in the upper surface of the outer case 2 (see FIG. 4).

  A large number of water intake holes 24 are formed on the bottom side of the front wall 21 of the outer case 2 (see FIGS. 1 and 4). An opening cut out from the upper side is formed at the upper edge of the front wall 21, and a water discharge port 26 is formed by the opening (see FIG. 1). The water discharge port 26 has a substantially rectangular shape in front view. A filtered water discharge plate 25 protruding forward from the lower edge of the water discharge port 26 is provided (see FIG. 1). A pair of substantially triangular side plate portions 19 connecting the left and right end edges of the filtered water discharge plate 25 and the left and right end edges of the water discharge port 26 are provided on the left and right sides (see FIG. 1).

  Four suction cup mounting holes 27 are formed in the back wall 23 of the outer case 2 (see FIGS. 1 and 2). A pair of upper and lower suction cup mounting holes 27 is formed in a region on the left side wall 22A side of the back wall 23, and a pair of upper and lower suction cup mounting holes 27 is formed in a region on the right side wall 22B side of the back wall 23. A suction cup 28 is fixedly attached to each of the four suction cup mounting holes 27 (see FIGS. 1 and 2).

  The filtration filter 5 includes a support frame 51 and a filter material 54. In this embodiment, the nonwoven fabric 55 and the activated carbon 56 are used as the said filter material 54 (refer FIG.4, 9,12).

  As shown in FIG. 7, the support frame 51 has a substantially rectangular outer diameter and is provided with a grip ring part 53 at the top. The attachment state of the filtration filter 5 can be released by hooking a finger on the grip ring part 53 and tilting the filtration filter 5 forward (inclining the slope from the lower side to the upper side). .

  In the region surrounded by the frame of the support frame 51, a large number of boxes 50 projecting to the front side are arranged in a grid pattern in front view (see FIG. 7A).

  Thus, in the filtration filter 5, activated carbon 56 is accommodated in the multiple boxes 50 of the support frame 51, and the nonwoven fabric sheets 55 are disposed on the front side and the back side of the support frame 51, respectively. Activated carbon 56 is accommodated in each box 50 in a space closed by a pair of front and rear nonwoven fabric sheets 55, 55 by joining the peripheral edge portion of the nonwoven fabric sheet 55 to the frame portion of the support frame 51. Thus, the filtration filter 5 is configured (see FIGS. 4, 9, and 12).

  The motor 4 includes a motor main body 76, a fitting water supply pipe 77, and an electric cord 75 (see FIGS. 4 to 6). The motor main body 76 has a substantially rectangular parallelepiped shape. The electric cord 75 is led out from the front surface of the motor body 76, and a water inlet 78 is formed on the back surface of the motor body 76. The fitting water supply pipe 77 projecting upward is provided on the back side of the motor body 76 (see FIG. 6). By driving the motor main body 76, aquarium water is drawn from the water inlet 78, and aquarium water is discharged from the fitting water supply pipe portion 77 (see FIG. 6). That is, when the motor 4 is driven, aquarium water is taken in from the water intake hole 24 of the outer case 2 and reaches the baffle plate 36 through the water inlet 78 and the fitting water supply pipe portion 77 to be filtered. It is sent into the chamber 30 (see FIG. 12).

  The lid body 6 is a top plate formed in a shape substantially conforming to the top view shape of the main body mounting opening 29 of the exterior case 2 (excluding the portion where the electrical cord at the tip on the back side is derived). A portion 60 is provided (see FIG. 8). A front-side outer wall portion 61 that slightly protrudes inwardly protrudes from the front-side edge and the left and right edges of the inner surface of the upper-surface plate portion 60, and the rear surface of the inner surface of the upper-surface plate portion 60 A rear-side inner wall portion 62 that protrudes slightly inward toward the inward side is provided on the side edge portion. Both end portions in the length direction of the front side outer wall portion 61 and both end portions in the length direction of the back side inner wall portion 62 are opposed to each other with a slight gap therebetween (see FIG. 8). . The gap is designed to have a size slightly larger than the thickness of the left and right ends of the upper edge of the back wall 23 of the exterior case 2.

  When the lid body 6 is attached to the body portion mounting opening 29 of the exterior case 2, the left and right side portions 61A, 61B of the front-side outer wall portion 61 of the lid body 6 are the side walls 22A, 22B of the exterior case 2, respectively. The inner surface 62 of the back side of the lid body 6 substantially abuts the inner surface of the rear wall 23 of the outer case 2, so that the lid body 6 has an opening for attaching the main body portion of the outer case 2. 29 is attached in conformity.

  Therefore, the said filtration apparatus 1 is assembled as follows, for example. The following description of the assembling method shows an example of the assembling method, and is not particularly limited to such assembling method.

  A porous body 59 is disposed in a space on the back side in the filtration chamber 30 (a space between the baffle plate 36 and the upper wall 31A).

  Next, the filtration filter 5 is attached (attached) to the front opening 41 of the filtration chamber 30 in the main body 3. First, the filtration filter 5 is inserted into the filtered water discharge space 40 in the main body 3 from above (see FIG. 9C). During this insertion, the left and right end portions 57 of the lower end edge of the filter 5 are in contact with the inclined guide surfaces (front groove side surfaces) 43 on the inner surface of the side plate 45 of the main body 3 and guided rearward. Then, the lower end edge 58 of the filter 5 comes into contact with the inner surface of the lower wall (bottom wall) 31B of the main body 3 (see FIG. 9B). In the abutting state, the grip ring part 53 of the filtration filter 5 is pushed to the back side (rear side), and the shoulder parts (edges on the upper end side) 52 on both sides of the grip ring part 53 are back side (rear side). 2), both shoulder portions (edge portions on the upper end side) 52 of the filter 5 are engaged with the locking pieces 39 of the main body portion 3, respectively. Thereby, the said filtration filter 5 is attached with respect to the front-surface opening part 41 of the said filtration chamber 30 so that attachment or detachment is possible (refer FIG. 9 (A)).

  Next, the motor 4 is attached to the lower wall (bottom wall) 31B of the main body 3 (filtration chamber 30). That is, as shown in FIG. 6, the water supply pipe 77 for fitting of the motor 4 is inserted and fitted into the motor fixing hole 32 of the bottom wall 31B of the filtration chamber 30, and the lower wall (bottom wall of the filtration chamber 30) ) Attach the motor 4 to 31B. At this time, the fitting water supply pipe 77 is inserted and fitted into the short pipe 34 of the filtration chamber 30 (see FIG. 9). The electric cord 75 connected to the motor main body 76 is turned from the front side to the back side to be pushed into the gap between the first projecting plate 33A and the second projecting plate 33B, and the electric cord 75 is further fixed. The electric cord 75 on the distal end side is pushed into the groove 46A of the first cord fixing portion 46 and fixed (see FIGS. 4 to 6).

  In this way, the main body 3 in a state where the filter 4 is attached to the front opening 41 of the filtration chamber 30 of the main body 3 and the motor 4 is attached to the bottom wall 31B of the filtration chamber 30 is replaced with the outer case 2. Fit inside. That is, the attached main body 3 is inserted into the exterior case 2 from the lower motor 4 side through the main body attaching opening 29. The motor 4 is pushed in until it contacts the bottom wall 20 of the outer case 2. Thus, the main body 3 with the filter 5 and the motor 4 attached thereto is accommodated in the outer case 2 in a substantially conforming state (see FIGS. 3 and 9). A grip ring part 53 on the upper end side of the filtration filter 5 attached to the main body part 3 (filtration chamber 30) is also accommodated in the exterior case 2.

  Thereafter, the lid body 6 is attached to the opening 29 for attaching the main body to the upper part of the outer case 2. At this time, the left and right side portions 61A and 61B of the front-side outer wall portion 61 of the lid body 6 are substantially in contact with the outer surfaces of the side walls 22A and 22B of the exterior case 2, respectively, and the rear-side inner wall portion 62 of the lid body 6 is By substantially contacting the inner surface of the back wall 23 of the case 2, the lid body 6 is attached to the body portion attachment opening 29 of the exterior case 2 in an adapted state. In this way, the filtration device 1 shown in FIG. 1 is configured.

  In the filtering device 1, the electric cord 75 led out from the motor 4 is fitted into the second cord fixing portion 47 at the lower back of the main body 3, and the tip side is the back of the main body 3. It is fixed in the groove 46A of the first cord fixing part 46 at the upper part, and the tip thereof is led out from the back side of the upper surface opening part (main body part mounting opening part) 29 of the outer case 2 (see FIG. 1, see FIG.

  An example of the usage state of the filtration device 1 is shown in FIG. In FIG. 10, the filtering device 1 is attached to a corner portion in the water tank W. The suction device 28 is adsorbed and fixed to the side wall of the water tank W with the corners of the back wall 23 of the filtration device 1 substantially fitted to the inside of the corner portion of the water tank W. Attach to the part. In the present embodiment, the filtering device 1 is fixed so that the water level L of the aquarium water is positioned slightly below the water outlet 26 of the filtering device 1 (see FIG. 10). In other words, the filtration device 1 is fixed so that the water level L of the aquarium water is located slightly below the filtered water discharge plate 25.

  In the operation state of the filtration device 1 (drive state of the motor 4), the aquarium water is taken from the water intake hole 24 on the bottom side of the filtration device 1, and the filtered water that has been filtered in the filtration device 1 is filtered. Is discharged into the water tank W from the water outlet 26 at the top of the water tank. At this time, since the filtered water discharge plate 25 projects below the water outlet 26 toward the front in the substantially horizontal direction (toward the inside of the water tank), the filtered water discharged from the water outlet 26 is After flowing through the upper surface of the filtered water discharge plate 25, it is discharged at a position away from the front wall 21 (without passing through the front wall 21 of the filtering device 1) and falls onto the water surface L in the water tank W (FIG. 10). reference).

  FIG. 12 shows an outline of the flow of aquarium water and filtered water inside the filtering device 1 in the operation state of the filtering device 1. The aquarium water taken into the apparatus 1 from the water intake hole 24 on the bottom side of the front wall 21 of the outer case 2 wraps around the back side of the motor 4 and is taken in from the water inlet 78 on the back side of the motor 4 and then fitted. Aquarium water that has passed through the combined water supply pipe section 77, then hits the baffle plate 36, spreads in all directions in the horizontal direction, enters the filtration chamber 30, and expands to the back side (rear side) in the filtration chamber 30 is porous. While passing through the inside of the body 59 and proceeding to the front side in the filtration chamber 30, a part of the aquarium water spreading to the front side (front side) rises in the space on the front side in the filtration chamber 30. And the aquarium water which has advanced to the front side in the filtration chamber 30 passes through the filtration filter 5 constituting the front wall of the filtration chamber 30 and is filtered to become filtered water, and the filtered water discharge in the filtration device 1 is performed. Ascend space 40. The filtered water that has risen in the filtered water discharge space 40 is discharged from the water discharge port 26, flows down the upper surface of the filtered water discharge plate 25, and then falls (discharges) on the water surface L in the water tank W. (See FIGS. 10 and 12).

  When it becomes necessary to replace the filtration filter 5 by continuing the above operation state, the replacement operation of the filtration filter 5 is performed as follows. The lid 6 is removed, and then the grip ring part 53 of the filtration filter 5 is hooked with a finger and moved forward (tilt obliquely forward), and the locking piece 39 and the shoulder (upper end) of the filtration filter 5 are moved. After the engagement state with the side edge portion 52 is released (see FIG. 9B), the removed filter 5 is pulled out substantially upward (see FIG. 9C). At this time, it is preferable to pull out the filtration filter 5 obliquely upward on the front side along the inclined guide surface 43 of the groove 42 of the main body 3 (see FIG. 9C).

  The new filter 5 is attached as follows. That is, a new filtration filter 5 is inserted into the filtrate discharge space 40 from above the filtrate discharge space 40 (see FIG. 9A). At this time, the left and right end portions 57 at the lower end edge of the filter 5 are in contact with the inclined guide surfaces (front side groove side surfaces) 43 of the inner surface of the side plate 45 of the main body 3 and guided rearward. The lower end edge 58 of the filtration filter 5 abuts on the lower wall (bottom wall) 31B of the main body 3 (filtration chamber 30) (see FIG. 9B). In this abutting state, the grip ring part 53 of the filtration filter 5 is pushed rearward (back side) with a finger so that the shoulder parts (edges on the upper end side) 52 on both sides of the grip ring part 53 are on the back side. By pushing in (rear side), both shoulder portions (upper edge portions) 52 of the filter 5 are engaged with the locking pieces 39 of the main body 3 (see FIG. 9A). Thereby, the filtration filter 5 is attached to the main-body part 3 (filtration chamber 30) so that attachment or detachment is possible.

  Thus, according to the said filtration apparatus 1, since the filtration filter 5 can be removed and replaced | exchanged in the state which mounted | wore the water tank W with the suction cup 28, the filtration filter removal / exchange is possible. Work is greatly facilitated.

  Moreover, since the filtration filter 5 can be moved to the front side (inner side of the water tank W) and pulled out substantially upward, even when the present filtration apparatus 1 is installed in the framed water tank W, the filtration apparatus 1 Can be removed and replaced smoothly without causing interference with the frame F of the water tank W (see FIGS. 9 and 11). Therefore, even when the present filtration device 1 is installed in the framed water tank W, the removal / replacement operation of the filtration filter 5 is extremely facilitated.

  In addition, in the said embodiment, although the remainder except a part of the upper side of the length direction (up-down direction) of the filtration apparatus 1 was installed in the aspect sunk in the aquarium water in the aquarium W (refer FIG. 10). ), Not particularly limited to such an installation mode, for example, the entire filtration device 1 may be installed in a mode of being submerged in aquarium water in the aquarium W.

  Moreover, in the said embodiment, although the filtration apparatus 1 was mounted | worn with the corner part in the water tank W, it is not limited to such an installation aspect in particular. The filtration device 1 may be attached to the center in the left-right direction of the inner surface of the side wall of the water tank W. Of course, in this case, the back wall 23 of the exterior case 2 of the filtration device 1 is not substantially L-shaped in cross section, and the flat back wall 23 is provided so that it can be easily attached to the side wall of the water tank W. It goes without saying that it is better to adopt it.

  Moreover, in the said embodiment, although the spout 26 from which filtered water is discharged was formed in the upper position of the filtration apparatus 1, it is not limited to such a position in particular.

  Moreover, in the said embodiment, although the suction cup was used for attaching the filtration apparatus 1 in the water tank W, an attachment means is not limited to a suction cup, For example, the hook means provided in the filtration apparatus is used as a water tank. You may make it mount | wear with the upper edge part of the side wall of this.

  Moreover, in the said embodiment, although the nonwoven fabric 55 and the activated carbon 56 were used as the filter medium 54, the filter medium 54 is not specifically limited to such a material, The filter medium which can perform filtration of aquarium water Anything can be used.

  The filtration device of the present invention is used by being mounted in an aquarium such as an aquarium fish tank or a breeding aquarium. Among them, it is preferable to install and use at a corner in the water tank. The filtration device of the present invention can be used, for example, by immersing the entire device in the water in the aquarium, or by installing the lower side of the device in a state of being submerged in the water in the aquarium, and the water outlet 26 on the upper portion of the device. May be exposed to a position above the water surface L, and the filtered water discharged from the water outlet 26 may be discharged from above into the water surface L in the water tank W (see FIG. 10).

DESCRIPTION OF SYMBOLS 1 ... Filtration apparatus 2 ... Exterior case 3 ... Main-body part 4 ... Motor 5 ... Filtration filter 6 ... Cover 21 ... Front wall 24 ... Water intake hole 25 ... Filtrated water discharge plate 26 ... Water discharge port 30 ... Filtration chamber 31B ... Bottom wall (Bottom wall)
38 ... Forward protrusion 39 for locking 39 ... Locking piece 41 ... Front opening 42 ... Groove 43 ... Front groove side surface (inclined guide surface)
44 ... Back side groove side 45 ... Side plate 52 ... Upper end side edge 54 ... Filter material 57 ... Ends 58 on both left and right sides of the lower end edge ... Lower end edge 59 ... Porous body

Claims (11)

A filtration device that is disposed in an aquarium and is used by submerging at least a part of the aquarium water in the aquarium,
It is equipped with a filtration chamber through which water to be filtered is sent,
The front wall of the filtration chamber is formed of a filtration filter provided with a filtering material,
A locking front protrusion that protrudes forward is provided at the upper position of the filtration chamber, and a locking piece that protrudes downward is provided on the tip side of the locking front protrusion.
The filtration filter is arranged so as to cover the front opening of the filtration chamber, and the lower end edge of the filtration filter is arranged in contact with the bottom wall of the filtration chamber, and the upper edge of the filtration filter The filter is removably attached to the filtration chamber by the portion being positioned on the back side of the locking piece of the filtration chamber and being engaged with the locking piece,
The filtration filter is capable of releasing the attached state by moving at least the upper side forward, and the removed filtration filter can be pulled out substantially upward. . A filtration device that is disposed in an aquarium and is used by submerging at least a part of the aquarium water in the aquarium,
It is equipped with a filtration chamber through which water to be filtered is sent,
The front wall of the filtration chamber is formed of a filtration filter provided with a filtering material,
A locking front protrusion that protrudes forward is provided at the upper position of the filtration chamber, and a locking piece that protrudes downward is provided on the tip side of the locking front protrusion.
The filtration filter is arranged so as to cover the front opening of the filtration chamber, and the lower end edge of the filtration filter is arranged in contact with the bottom wall of the filtration chamber, and the upper edge of the filtration filter The filter is removably attached to the filtration chamber by the portion being positioned on the back side of the locking piece of the filtration chamber and being engaged with the locking piece,
The filtration filter is made to be able to release the attached state by being inclined to the front side from the lower side to the upper side, and the removed filter can be pulled out substantially upward. A filtration device characterized by the above. A filtration device that is disposed in an aquarium and is used by submerging at least a part of the aquarium water in the aquarium,
It is equipped with a filtration chamber through which water to be filtered is sent,
The front wall of the filtration chamber is formed of a filtration filter provided with a filtering material,
The filtration filter is detachably attached to the filtration chamber,
The filtration filter is capable of releasing the attached state by moving the upper side forward at least, and the removed filter can be pulled out substantially upward,
A side plate is extended forward from each of the left and right sides of the front opening of the filtration chamber, and a groove portion extending in the vertical direction is formed on the inner surface of the side plate,
Of the pair of front and rear groove side surfaces forming the groove portion, the front side groove side surface is formed on an inclined guide surface that is inclined rearward from the upper side to the lower side,
When attaching the filtration filter to the front opening of the filtration chamber, if the filtration filter is moved downward from above, the left and right ends of the lower end edge of the filtration filter are respectively inclined guide surfaces. The filtration device is configured so as to be able to contact the rear side and be guided rearward. A filtration device that is disposed in an aquarium and is used by submerging at least a part of the aquarium water in the aquarium,
It is equipped with a filtration chamber through which water to be filtered is sent,
The front wall of the filtration chamber is formed of a filtration filter provided with a filtering material,
The filtration filter is detachably attached to the filtration chamber,
The filtration filter is made to be able to release the attached state by being inclined to the front side from the lower side to the upper side, and the removed filter can be pulled out substantially upward,
A side plate is extended forward from each of the left and right sides of the front opening of the filtration chamber, and a groove portion extending in the vertical direction is formed on the inner surface of the side plate,
Of the pair of front and rear groove side surfaces forming the groove portion, the front side groove side surface is formed on an inclined guide surface that is inclined rearward from the upper side to the lower side,
When attaching the filtration filter to the front opening of the filtration chamber, if the filtration filter is moved downward from above, the left and right ends of the lower end edge of the filtration filter are respectively inclined guide surfaces. The filtration device is configured so as to be able to contact the rear side and be guided rearward. A side plate is extended forward from each of the left and right sides of the front opening of the filtration chamber, and a groove portion extending in the vertical direction is formed on the inner surface of the side plate,
Of the pair of front and rear groove side surfaces forming the groove portion, the front side groove side surface is formed on an inclined guide surface that is inclined rearward from the upper side to the lower side,
When attaching the filtration filter to the front opening of the filtration chamber, if the filtration filter is moved downward from above, the left and right ends of the lower end edge of the filtration filter are respectively inclined guide surfaces. The filtration device according to claim 1 , wherein the filtration device is configured to be able to abut and be guided rearward. A motor attached to the bottom wall of the filtration chamber;
An outer case that houses the filtration chamber to which the motor and the filtration filter are attached, and
The filtration device according to any one of claims 1 to 5, wherein the filtration chamber and the motor can be taken out from the exterior case in an integrated state.   The filtration device according to claim 6, wherein a plurality of water intake holes are formed on a bottom side of the front wall of the exterior case.   The filtration device according to any one of claims 1 to 7, wherein a spout for filtered water filtered in the filtration chamber is provided at an upper position of the filtration device.   The filtration device according to claim 8, wherein a filtered water discharge plate protruding forward is provided at a position directly below the water outlet.   The filtration device according to any one of claims 1 to 9, further comprising a porous body disposed in the filtration chamber.   The filtration device according to claim 10, wherein the porous body is a resin sponge member.

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