JP6300599B2 - Aquarium - Google Patents

Description

  The present invention relates to a water tank having an installation space in which a pump can be disposed.

  The water tank having the above configuration is used, for example, in a discharge pump tank attached to a septic tank for biologically treating water to be treated described in Patent Document 1.

Conventionally, in ordinary households, human urine and domestic wastewater are sometimes treated by a septic tank buried underground. Such a septic tank has a water treatment space for biological treatment in response to the inflow of raw water to be treated, such as human waste and domestic wastewater, and the biologically treated water to be treated is provided in the septic tank. It is comprised so that it may flow out of a tank from a discharge port.
However, depending on the local installation standards and topographic conditions, for example, when the discharge destination is at a position higher than the height of the discharge outlet, the water to be treated cannot flow to the discharge destination by natural flow. In such a case, a discharge pump tank that is separate from the septic tank is installed on the concrete base constructed underground to install the septic tank, and the outlet of the septic tank and the inlet of the discharge pump tank are provided. The treated water is once allowed to naturally flow down from the septic tank to the discharge pump tank through the pipe to be connected, and the treated water is pumped to the discharge destination by a pump provided in the discharge pump tank.
When installing a discharge pump tank in the septic tank, for the purpose of facilitating the construction, the work to fix the discharge pump tank to the foundation by attaching the discharge pump tank to the side of the septic tank at a position floating from the foundation. It is unnecessary.

  For example, Patent Document 1 discloses a configuration in which a discharge pump tank is connected and supported outside the septic tank body and in a state of floating from the upper surface of the floor board on which the septic tank body is installed.

JP 2002-248484 A

  However, the discharge pump tank disclosed in Patent Document 1 is not configured to positively fix the pump disposed inside the discharge pump tank, so that by the reaction force of the impeller rotation at the time of driving the pump, Alternatively, the pump may move due to the flow of fluid flowing in from the septic tank body, or the discharge pipe connected to the pump may be damaged due to unnecessary movement due to the movement of the pump.

  In order to restrict the movement of such a pump, it is also conceivable to provide a separate bracket in the discharge pump tank and fix the pump to this bracket. However, if a bolt hole is formed through the side surface of the discharge pump tank in order to provide the bracket in the discharge pump tank, there is a risk of damage due to water leakage and deterioration of material strength due to the bolt hole.

  Therefore, the objective of this invention is providing the water tank which can fix the pump arrange | positioned inside, without providing an additional member.

A first characteristic configuration of a water tank according to the present invention is a water tank having an installation space in which a pump can be disposed, and a first housing portion having a first opening portion provided with a first flange portion around the side surface portion. And a second housing part provided on the side surface with a second opening part provided with a second flange part having a shape corresponding to the first flange part, and the first opening part and the second opening part. When the first flange portion and the second flange portion are joined, the installation space is configured by a space defined by the first housing portion and the second housing portion. is, pump restricting portion capable restricting the movement of the pump with respect to the direction described above sandwiching the pump by holding when disposing the pump on the installation space, the housing inside surface portion constituting the installation space It is in the point provided integrally in molding .

The pump disposed in the water tank is clamped by the pump restricting portion, and movement in the clamping direction is regulated. There is no need to provide a separate bracket for fixing the pump. Since there is no need to penetrate through a bolt hole for attaching the bracket to the water tank, there is no possibility of water leakage from the bolt hole. Moreover, by forming the water tank into two parts, press molding or injection molding can be suitably employed for manufacturing the first housing part and the second housing part, and mass production becomes possible. .

  The second characteristic configuration is that the pump restricting portion is disposed at a position spaced a predetermined distance upward from an inner bottom surface portion constituting the installation space.

  By disposing the pump restricting portion at a height corresponding to the impeller casing of the pump, the impeller casing portion can be held by the pump restricting portion. This effectively restricts movement of the pump.

  The third characteristic configuration is that a scale part is provided in the pump restricting part.

  Depending on the size of the pump to be installed, the distance between the pump restricting portion and the pump can be adjusted by, for example, post-processing such as cutting, using the distance indicated on the scale portion as a guide.

In the fourth feature configuration, one of the pump regulating portions is disposed on the inner side surface portion of the first housing portion facing the first opening, and the second opening The other pump restricting portion of the pump restricting portions is disposed on the inner side surface portion of the second housing portion facing the first face so as to face the one pump restricting portion.

  The pump restricting portion disposed in the first housing portion and the pump restricting portion disposed in the second housing portion can sandwich the pump and restrict movement in the sandwiching direction. .

In the fifth characteristic configuration, a first recess is disposed along the lower end of the first opening on the inner bottom surface of the first housing portion, and on the inner bottom surface of the second housing portion, A second recess is disposed along the lower end of the second opening, and one pump restricting portion of the pump restricting portions is disposed at the upper end of the first recess. The other pump restriction part of the pump restriction parts is disposed at the upper end.

  A space defined by facing the first concave portion and the second concave portion can be used as a sand reservoir. When the suction port of the pump is disposed facing the sand reservoir, the impeller casing portion can be sandwiched between the pump regulating portions located at the upper end on the inner surface side of the sand reservoir.

The sixth characteristic configuration is configured such that an opening for inserting a discharge pipe of the pump can be formed on the inner side surface when the pump is disposed in the installation space. A discharge pipe restricting portion capable of restricting the movement of the discharge pipe in the vertical direction is integrally provided on the inner side surface portion at a position corresponding to the height.

  The lower end of the discharge pipe of the pump is connected to the discharge section of the pump, and the upper end is in contact with the discharge pipe regulating section, so that the vertical movement is regulated. There is no need to provide a separate bracket for fixing the piping.

The seventh characteristic configuration is that the discharge pipe regulating portion is provided with a scale portion indicating the height of the discharge pipe regulating portion.

  Depending on the handling of the discharge pipe of the pump to be installed, the height of the lower end portion of the discharge pipe regulating portion can be adjusted by post-processing such as cutting, while using the scale portion as a guide.

The eighth characteristic configuration is that the first casing portion and the second casing portion have the same shape.

  It can manufacture without distinguishing a 1st housing | casing part and a 2nd housing | casing part. For example, when the first housing part and the second housing part are press-molded, both can be manufactured with a single mold. Due to the mass production effect, the water tank can be made cheaper.

  As described above, according to the present invention, it is possible to provide a water tank capable of fixing a pump disposed inside without providing a separate member.

Schematic side view of a purification facility in which a discharge pump tank according to the present invention is attached to a septic tank Schematic sectional view of a purification facility in which a discharge pump tank according to the present invention is attached to a septic tank Schematic perspective view of purification equipment in which a discharge pump tank according to the present invention is attached to a septic tank Schematic perspective view of purification equipment in which a discharge pump tank according to the present invention is attached to a septic tank The perspective view of the 1st housing | casing part which comprises the discharge pump tank by this invention. The perspective view of the 1st housing | casing part which comprises the discharge pump tank by this invention. Explanatory drawing of the outer surface part side of the 1st housing | casing part which comprises the discharge pump tank by this invention. Explanatory drawing of the inner surface part side of the 1st housing | casing part which comprises the discharge pump tank by this invention. Schematic explanatory drawing of the concave part of the discharge pump tank and the flange part of the septic tank according to the present invention Explanatory drawing of the attachment to the septic tank of the discharge pump tank by this invention Assembly explanatory diagram of the discharge pump tank according to the present invention Explanatory drawing of the bottom part of the discharge pump tank by this invention

Embodiments of the present invention will be described below with reference to the drawings.
The purification equipment 100 is shown in FIGS. The purification facility 100 is a single septic tank that treats only human wastewater as treated water discharged from ordinary households, and wastewater generated from kitchens, laundry, bathrooms, etc. as well as human wastewater as treated water. Takes the form of a combined septic tank that can be treated as wastewater to be treated. Usually, such a purification equipment 100 is installed on a concrete foundation constructed underground. In each figure, the description of the ground or concrete foundation is omitted.

  The purification facility 100 includes a purification tank 10 and a discharge pump tank 20. The discharge pump tank 20 is attached to the outer surface portion of the septic tank 10 in a state of floating from the foundation. In the present embodiment, the water tank according to the present invention is a discharge pump tank 20 attached to the septic tank 10. The septic tank 10 is an attachment to which the discharge pump tank 20 is attached.

The septic tank 10 is a tank into which raw water to be treated is introduced and biologically treated in an internal water treatment space and then discharged to the outside.
It has an inlet (not shown) for inflowing the raw water, an outlet 13 for discharging biologically treated water, an upper tank 11 having a plurality of inspection openings 14 and the like, and a septic tank bottom. The lower tank 12 is connected by a flange portion 15. The upper tank 11 and the lower tank 12 are each made of, for example, a plastic resin such as FRP or a synthetic resin such as dicyclopentagen. In the present embodiment, the septic tank 10 is described as an example of a two-divided type consisting of an upper tank 11 and a lower tank 12, but may be a three-divided type consisting of an upper tank, a lower tank, and an intermediate panel.

  The inside of the septic tank 10 is partitioned by a plurality of partition plates. For example, from the upstream side, an anaerobic treatment tank (precipitation separation tank, contaminant removal tank, anaerobic filter bed tank first chamber, anaerobic filter bed tank second chamber, etc.), an aerobic treatment tank (carrier fluid tank, contact chamber). Each tank is formed (not shown) such as an air tank), a filtration tank, a sedimentation tank, and a disinfection tank. In addition, it is also possible to provide a flow rate adjusting tank as necessary.

  The discharge pump tank 20 is a tank provided when the discharge destination of the water to be treated treated in the septic tank 10 is at a position higher than the height of the discharge port 13 of the septic tank 10.

  The discharge pump tank 20 is provided with a first housing part 30 in which an inlet 21 to which the advection pipe 16 is connected and an outlet 22 to which a discharge pipe of the pump P installed therein is connected. The second housing portion 40 is connected to the flange portions 31 and 41, and has an appearance in which the inspection opening 23 is disposed on the top surface portion. Two pumps P are arranged inside, the rising pipe 17a of each discharge pipe 17 is connected by a header pipe 17b, and the junction pipe 17c is connected to the outlet port 22. The treated water sterilized in the sterilization tank of the septic tank 10 is once introduced into the discharge pump tank 20 from the discharge port 13 via the advection pipe 16 and is pumped to the discharge destination by one of the two pumps P. Is done.

The first housing unit 30 and the second housing unit 40 are each made of, for example, a plastic resin such as FRP or a synthetic resin such as dicyclopentagen.
Since the discharge pump tank 20 has a two-part configuration in which the half-shaped first housing part 30 and the second housing part 40 are combined, the first housing part 30 and the second housing part 40 are pressed for manufacturing. Molding and injection molding can be suitably employed, and mass production becomes possible. Here, the SMC molding method will be described as an example of the press molding method, but the same applies to other press molding methods and injection molding methods.

  The 1st housing | casing part 30 and the 2nd housing | casing part 40 are shape | molded using the same metal mold | die. By molding the first housing part 30 and the second housing part 40 using the same mold, the discharge pump tank 20 can be made cheaper due to the mass production effect. Since the first housing unit 30 and the second housing unit 40 have basically the same shape, in the following description, the first housing unit 30 and the second housing unit 40 need not be distinguished from each other. About only the 1st housing | casing part 30 is demonstrated on behalf of both.

The first casing 30 is molded by pressurizing and heating a saturated polyester resin sheet such as FRP between a pair of molds.
As shown in FIGS. 5 to 8, the first housing portion 30 has a half shape in which the first flange portion 31 is provided around the first opening portion 32. Therefore, the second housing part 40 also has a half-shape in which the second flange part 41 having a shape corresponding to the first flange part 31 is provided around the second opening part 42 (see FIG. 1).

First, based on FIG.5 and FIG.7, the structure of the outer surface part 30a of the 1st housing | casing part 30 is demonstrated.
Concave portions 33 are disposed at two locations on the left and right sides of the lower end portion of the outer surface portion 30a facing the first opening 32 in the outer surface portion 30a of the discharge pump tank 20. The recess 33 is provided with a flange portion 34. The flange portion 34 protrudes in the horizontal direction from the outer surface portion 30a. In the present embodiment, the flange portion 34 is disposed in a direction perpendicular to the surface of the first opening 32. The lower surface of the flange portion 34 constitutes a part of the peripheral edge of the outer wall bottom surface portion 35 of the discharge pump tank 20, and the upper surface of the flange portion 34 constitutes the bottom surface portion of the recess 33. A rib 36 is suspended from the top surface portion of the concave portion 34, and is configured to have a predetermined gap between the lower end portion of the rib 36 and the upper surface of the flange portion 34.

  The concave portion 33, the flange portion 34, and the rib 36 are integrally provided on the outer surface portion 30 a of the first housing portion 30 when the first housing portion 30 is molded by the SMC molding method. The outer side surface portion 30a, the outer wall bottom surface portion 35, the concave portion 33, the flange portion 34, and the rib 36 of the first housing portion 30 are provided with draft angles so that they can be smoothly removed from the mold, and further have no undercut. Yes. Therefore, immediately after the SMC press molding of the first housing portion 30, the flange portion 34 is not provided with a bolt hole 37 (see FIG. 9) for inserting a bolt, but the bolt hole is formed by post-processing. By forming 37, it becomes possible to fix to the flange part 15 of the septic tank 10 by fastening means such as bolts.

  For the formation of the bolt hole 37, an electric tool, for example, an electric drill, is preferably used because of the simplicity of the machining operation. An operator forms the flange portion 34 through the bolt hole 37 from the lower surface side by an electric drill. At the time of forming this penetration, the resistance force until then is lost at the moment when the drill tip of the electric drill penetrates the upper surface of the flange portion 34, and the drill may be pushed too much. Even in such a case, the tip of the drill is received by the rib 36 suspended from the top surface of the recess 33. Therefore, there is no risk of accidentally penetrating the top surface of the recess 33.

  Thus, by providing the flange portion 34 in the recess 33 disposed on the outer surface portion 30a, the proximal end side is disposed flush with the outer surface portion, and the edge side is outward from the outer surface portion, as in the prior art. Compared to the flange portion that extends greatly to the first housing portion, for example, before the first housing portion 30 and the second housing portion 40 are combined until the discharge pump tank 20 is attached, or the first housing portion. In the state of storing and transporting and attaching the discharge pump tank 20 in a state in which the 30 and the second casing portion 40 are combined, the possibility that the flange portion 34 is hit and damaged is reduced.

  Further, by disposing the flange portion 34 at the peripheral edge portion of the outer wall bottom surface portion 35 of the discharge pump tank 20, particularly when the discharge pump tank 20 is fixed to the purification tank 10 in a state of floating from the foundation, the discharge pump tank 20. The bolt 70 can be easily tightened from below (see FIGS. 9 and 10).

  As shown in FIGS. 9 and 10, when the flange portion 34 is fixed to the flange portion 15 of the septic tank 10, the nut 71 can be disposed in the recess 33 to prevent the dropout. The nut 71 is configured to include a flange 72 that comes into contact with the wall surface of the recess 33. When the bolt 70 is tightened, the nut 71 is brought into contact with the wall surface of the recess 33, so that the nut 71 rotates around. Is prevented.

  Since the flange portion 34 does not have a configuration in which the edge side greatly extends outward from the outer surface portion 30a of the first housing portion 30, the distance between the opposing surfaces of the septic tank 10 and the discharge pump tank 20 can be reduced. Therefore, the installation space can be saved. Furthermore, the moment for supporting the discharge pump tank 20 is also reduced.

Next, based on FIG.6 and FIG.8, the structure of the inner surface part 30b of the 1st housing | casing part 30 is demonstrated.
As shown in FIG. 8, in the upper center of the inner side surface portion 30 b of the first housing portion 30, a groove portion 21 a that serves as a guideline for forming the inflow port 21 and a groove portion that serves as a guideline for forming the outflow port 22. 22a is disposed.

By cutting away the wall surface of the first housing 30 along the groove 21a, the inlet 21 can be easily formed at a predetermined position. Similarly, the outlet 22 can be easily formed at a predetermined position by cutting the wall surface of the first housing 30 along the groove 22a. That is, workability in post-processing is improved by arranging the grooves 21a and 22a according to the shapes of the inlet 21 and the outlet 22 in advance when the first casing 30 is molded. In the present embodiment, the inflow port 21 is formed in the first housing portion 30, and the outflow port 22 is formed in the second housing portion 40.
The inflow port 21 and the outflow port 22 are not each one type, and it is possible to form an inflow port and an outflow port corresponding to the diameter of the advection pipe 16 according to the inflow amount and the diameter of the merging pipe 17c according to the discharge amount of the pump. It is also possible to dispose a plurality of grooves for the purpose.

  In addition, a groove portion 38a that serves as a guide when forming the air vent is disposed on the upper left side when viewed from the inner side surface portion 30b of the first housing portion 30. As with the inlet 21 and outlet 22 described above, air venting can be easily formed by post-processing.

  Further, the first flange portion 31 is provided with a groove portion 39a that serves as a guide when forming a plurality of bolt holes 39 along the periphery. The bolt hole 39 through which the bolt for connecting the first flange portion 31 and the second flange portion 41 is inserted can be easily formed without positioning. Further, a groove portion 31 a for arranging a seal is provided on the contact surface of the first flange 31, particularly the second flange portion 41.

A first recess 52 a is disposed along the lower end of the first opening 32 on the inner bottom surface portion 51 of the inner side surface portion 30 b of the first housing portion 30.
Further, the inner side surface portion 30b of the first housing portion 30 is provided with pump restricting portions 53a and 54a at the upper end of the first concave portion 52a disposed in the inner bottom surface portion 51a, which is lower left and right when viewed from the front. doing.

  The pump regulating portions 53a and 54a are integrally provided on the inner side surface portion 30b of the first housing portion 30 when the first housing portion 30 is molded by the SMC molding method. The inner side surface portion 30b, the inner bottom surface portion 51a, the first concave portion 52a, and the pump regulating portions 53a and 54a of the first housing portion 30 are provided with draft angles so that they can be smoothly removed from the mold, and further have no undercut. It has become.

  The upper end of the second recess 52b disposed on the inner bottom surface portion 51b of the inner side surface portion 40b of the second housing portion 40 is opposed to the pump regulating portions 53a and 54a of the first housing portion 30. The pump regulating portions 53b and 54b are projected. When the first housing portion 30 and the second housing portion 40 are combined, a pair of pump restriction portions 53 (53a, 53b) and a pair of pump restriction portions 54 (54a, 54b) are configured. . That is, in this embodiment, two pairs of pump restricting portions 53 (53a, 53b) and 54 (54a, 54b) are provided, but the pump restricting portion is used as the inner side surface portion 30b of the first housing portion 30. The structure provided in the center lower part of front view may be sufficient. In this case, only one pair of pump restricting portions is disposed at the center.

  As shown in FIG. 11, in order to combine the first housing portion 30 and the second housing portion 40, after applying an adhesive made of a seal to the groove portion 31 a disposed in both the flange portions 31, 41. Both flange portions 31 and 41 are opposed to each other, and bolts and nuts are fastened to the bolt holes 39 of both flanges 31 and 41. Thereafter, the adhesive solidifies and becomes a packing.

  As shown in FIG. 12, when the first housing part 30 and the second housing part 40 are combined, the pump P depends on the space defined by the first housing part 30 and the second housing part 40. An installation space for disposing the space is configured. Furthermore, the space defined by the first recess 52a and the second recess 52b can be used as the sand reservoir 52 of the pump P.

  When the suction port of the pump P is disposed facing the sand reservoir 52 in the installation space partitioned by the first housing portion 30 and the second housing portion 40 combined in this manner, the inner surface of the sand reservoir 52 The portion of the impeller casing of the pump P can be clamped by the pair of pump restricting portions 53 (53a, 53b) or the pair of pump restricting portions 54 (54a, 54b) located at the upper end on the side, and the direction in which the pump P is pinched Movement against is restricted. Further, it does not interfere with the suction of water from the suction portion 18 provided on the lower surface of the impeller casing.

In the present embodiment, the discharge pump tank 20 is provided with two pumps P. The two pumps P disposed in the discharge pump tank 20 are sandwiched between the pair of pump restricting portions 53 (53a, 53b) or the pair of pump restricting portions 54 (54a, 54b), respectively. Movement is restricted. Therefore, it is not necessary to separately provide a bracket for fixing the pump P. Since it is not necessary to penetrate through the bolt hole for attaching the bracket to the discharge pump tank 20, there is no possibility of leakage from the bolt hole.
Since the pump P can be carried into the burial site in a state where the pump P is previously disposed in the discharge pump tank 20, the work of disposing the pump P in the discharge pump tank on the site is not necessary.

  By the way, the pump regulating portions 53a and 53b are provided with scale portions 56a and 56b that can be adjusted according to the size of the pump P. Similarly, the pump regulating portions 54a and 54b are provided with scale portions 57a and 57b. When molding the first housing part 30 and the second housing part 40, the pump restriction parts 53a, 54a and 53b, 54b are molded longer, and according to the size of the pump P to be installed, particularly the size of the impeller casing. The distance between the pair of pump restricting portions 53 (53a, 53b) and the pair of pumps while taking the distance indicated by the scale portion 56 (56a, 56b) and the scale portion 57 (57a, 57b) as a guide. The distance between the regulating parts 54 (54a, 54b) can be adjusted by post-processing such as cutting.

  Further, the inner side surface portion 30b of the first housing portion 30 is provided with a discharge pipe regulating portion 55 at the upper left and right in the front view. The discharge pipe regulating portion 55 is also provided integrally with the inner side surface portion 30b of the first housing portion 30 when the first housing portion 30 is molded by the SMC molding method. The discharge pipe regulating portion 55 is provided with a draft angle so that it can be smoothly removed from the mold, and has a shape with no undercut.

The discharge pipe regulating portion 55 is disposed at a position corresponding to the height of the outlet 22. The lower end of the discharge pipe 17 is connected to the discharge portion of the pump P, and the curved pipe 17d at the upper end of the riser pipe 17a is close to the discharge pipe restriction portion 55, whereby vertical movement is restricted. There is no need to provide a separate bracket for fixing the piping.
The discharge pipe regulating portion 55 is provided with a scale portion 58 indicating the height of the discharge pipe regulating portion 55, and the discharge portion is discharged while taking the scale portion 58 as a guide according to the handling of the discharge pipe 17 of the installed pump P. The height of the lower end portion of the pipe regulating portion 55 can be adjusted by post-processing such as cutting.

Next, attachment of the discharge pump tank 20 to the septic tank 10 will be described.
According to the discharge pump tank 20 according to the present invention, the upper part of the discharge pump tank 20 is attached to the purification tank 10 via a pair of left and right suspension members 80 with respect to the attachment to the purification tank 10. A part of the weight of the discharge pump tank 20 is supported by the pair of suspension members 80.

The suspension member 80 is a metal fitting having rigidity, and preferably used is a processed flat plate of normal steel or stainless steel.
One end of the suspension member 80 is fixed to the septic tank shoulder 19 on the side of the inspection opening 14, and the other end is bent into an L shape and fixed to the flanges 31 and 41 of the discharge pump tank 20. .
Specifically, a bolt or the like is applicable as means for fixing the suspension member 80. The fastening of the suspension member 80 and the septic tank shoulder 19 is fixed so that, for example, the two bolts enter the horizontal direction.

Thereby, since the suspension member 80 can be easily fixed to the septic tank shoulder 19 by fastening a bolt or the like, it is excellent in assemblability.
At this time, a bolt hole for a bolt is formed through the septic tank shoulder 19, but normally the water level of the water to be treated does not rise up to the septic tank shoulder 19. For this reason, even if the septic tank shoulder 19 is provided with a bolt hole, there is no risk of leakage of the water to be treated.

A bolt or the like is also used for fastening the suspension member 80 and the flange portions 31 and 41 of the discharge pump tank 20.
At this time, as shown in FIGS. 1, 3 and 4, if the suspension member 80 is fixed by the flange portions 31 and 41 of the discharge pump tank 20, it is not necessary to penetrate the bolt hole in the discharge pump tank 20. . Therefore, there is no risk of leakage of the treated water.

As described above, the septic tank 10 includes the upper tank 11 and the lower tank 12, and the flange portion 15 is configured by mating the flanges disposed at the respective end portions.
At the lower part of the discharge pump tank 20, the flange part 34 of the recessed part 33 is attached to the flange part 15 of the septic tank 10. A part of the weight of the discharge pump tank 20 is supported by the flange portion 15.
As shown in FIGS. 9 and 10, the flange portion 15 and the flange portion 34 are fixed by bolts 70 and nuts 71.
In the present embodiment, two concave portions 33 are disposed on the left and right sides, that is, two flange portions 34 are disposed, so that the lower portion of the discharge pump tank 20 is fixed to the flange portion 15 at two locations. Become.

  Since the flange part 34 provided in the discharge pump tank 20 can be directly joined to the flange part 15 of the septic tank 10, there is no need for a separate mounting member for fixing the lower part of the discharge pump tank 20 as in the prior art. Become.

  Accordingly, it is not necessary to penetrate through a bolt hole for attaching the attachment member to the lower part of the discharge pump tank 20, and a bolt waterproofing process and a rust prevention process for fixing the discharge pump tank 20 to the septic tank 10 are unnecessary. Moreover, there is no risk of water leakage from the bolt hole. Moreover, the operation | work which tightens a volt | bolt inside the discharge pump tank 20 becomes unnecessary.

  Moreover, since the flange part 34 is not the shape extended greatly from the outer surface part 30a of the discharge pump tank 20, it can be attached in the state which the outer surface part 30a of the discharge pump tank 20 and the side surface of the purification tank 10 contacted. The load of the discharge pump tank 20 can be dispersed and supported by this contact surface. Furthermore, the discharge pump tank 20 is difficult to move up and down in the vertical direction due to vibrations or the like generated when the purification equipment 100 with the discharge pump tank 20 attached to the purification tank 10 is transferred by a car or the like. Therefore, it is possible to prevent the attached state of the discharge pump tank 20 from being loosened.

In the above-described embodiment, the water tank according to the present invention is the discharge pump tank 20 and the configuration attached to the septic tank 10 has been described. However, the attached object to which the discharge pump tank 20 is attached is not limited to the septic tank 10.
For example, the pump tank support part arrange | positioned by the concrete foundation in which the septic tank 10 is installed may be sufficient.
Examples of the water tank support portion include an anchor bolt driven into the foundation and an installation base fixed to the anchor bolt. Even if the inner bottom portion of the discharge pump tank is not flat, the discharge pump tank 20 can be easily made independent by fixing the installation base to the flange portion 34. Further, the attachment object may be a floating prevention metal fitting.

Moreover, you may arrange | position the recessed part 33 and the flange part 34 above the outer surface part 30a of the discharge pump tank 20. FIG. In this case, the ceiling of the space in which the discharge pump tank 20 is disposed and the bolts suspended from the ceiling constitute an attached object, and the discharge pump tank 20 can be suspended from the ceiling. Moreover, you may arrange | position the recessed part 33 and the flange part 34 in both the upper direction of the outer surface part 30a of the discharge pump tank 20, and the downward direction. Moreover, you may arrange | position the recessed part 33 and the flange part 34 in the center of the height direction of the outer surface part 30a of the discharge pump tank 20. FIG. Further, the flange portion 34 is not limited to be arranged in a horizontal posture, and may be arranged in a vertical posture in the recess 33.
Moreover, the water tank by this invention is not restricted to a discharge pump tank.

  Each of the above-described embodiments is an example of the present invention, and the present invention is not limited by the description. The specific configuration of each part can be appropriately changed and designed within the range where the effects of the present invention are exhibited. is there.

17: Discharge pipe 20: Discharge pump tank (water tank)
22: Outlet (opening)
30: 1st housing | casing part 30b: Inner side surface part 31: 1st flange part 32: 1st opening part 40: 2nd housing | casing part 41: 2nd flange part 42: 2nd opening part 51a: Inner bottom face part 52a: 1st One recessed portion 53 (53a, 53b): pump restricting portion 54 (54a, 54b): pump restricting portion 55: discharge pipe restricting portion 56 (56a, 56b): scale portion 57 (57a, 57b): scale portion 58: Scale P: Pump

Claims (8)

A water tank having an installation space in which a pump can be disposed,
A first housing part provided with a first opening part provided with a first flange part around the side part, and
Around the periphery, a second housing part provided with a second opening part provided with a second flange part of a shape corresponding to the first flange part in the side part,
When the first opening and the second opening are opposed and the first flange and the second flange are joined,
The installation space is constituted by a space defined by the first housing part and the second housing part,
A pump regulating unit capable of clamping the pump when the pump is disposed in the installation space and regulating the movement of the pump relative to the clamped direction;
A water tank, which is integrally provided for molding a casing on an inner side surface portion constituting the installation space.   The water tank according to claim 1, wherein the pump restricting portion is disposed at a position spaced apart by a predetermined distance from an inner bottom surface portion constituting the installation space.   The water tank according to claim 1, wherein the pump restriction portion includes a scale portion. One of the pump regulating portions is disposed on the inner side surface portion of the first housing portion facing the first opening,
On the inner side surface portion of the second housing portion facing the second opening, the other pump regulating portion of the pump regulating portions is disposed so as to face the one pump regulating portion. The water tank according to any one of claims 1 to 3, wherein the water tank is provided. A first recess is disposed on the inner bottom surface of the first housing along the lower end of the first opening,
A second recess is disposed on the inner bottom surface of the second casing along the lower end of the second opening,
One of the pump regulating portions is disposed at the upper end of the first recess,
The water tank according to any one of claims 1 to 4 , wherein the other pump restriction portion among the pump restriction portions is disposed at an upper end of the second recess. The inner side surface portion is configured to be capable of forming an opening for inserting the discharge pipe of the pump when the pump is disposed in the installation space.
A discharge pipe regulating portion capable of regulating vertical movement of the discharge pipe at a position corresponding to the height of the opening,
The water tank according to claim 1, wherein the water tank is provided integrally with the inner side surface portion. The water tank according to claim 6 , wherein the discharge pipe regulating portion includes a scale portion indicating a height of the discharge pipe regulating portion. The said 1st housing | casing part and said 2nd housing | casing part are the same shapes, The water tank as described in any one of Claim 1 to 7 characterized by the above-mentioned.

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