JP2008246331A - Septic tank - Google Patents

Septic tank Download PDF

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JP2008246331A
JP2008246331A JP2007089107A JP2007089107A JP2008246331A JP 2008246331 A JP2008246331 A JP 2008246331A JP 2007089107 A JP2007089107 A JP 2007089107A JP 2007089107 A JP2007089107 A JP 2007089107A JP 2008246331 A JP2008246331 A JP 2008246331A
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partition plate
fitting
septic tank
fitting groove
tank
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JP5016349B2 (en
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Akio Kita
亮夫 喜多
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Kubota Corp
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Kubota Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

<P>PROBLEM TO BE SOLVED: To provide a septic tank in which a septic tank plate can easily be fitted and fixed to a fitting groove even when the septic tank plate is somewhat deformed to cause strain. <P>SOLUTION: The septic tank is provided with the partition plate 2 partitioning the inside of a septic tank into a plurality of treatment tanks. A fitting groove 3 fitting and fixing the peripheral part of the partition plate 2 is provided at the inner wall of the septic tank. In the peripheral part of the partition plate 2, a fitting part 4 freely fittable to the fitting groove 3 and also projecting to the plate thickness direction is provided, a first taper face 5 is formed on one face side of the partition plate 2 in the fitting part 4, further, a second taper face 6 is formed on the other face side, and the first taper face 5 and the second taper face 6 are formed, so as to be a shape where they are made close as it goes to the tip side of the fitting to the fitting groove 3. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、浄化槽の内側を複数の処理槽に仕切る仕切板を設け、その仕切板の周縁部分を嵌合固定する嵌合溝を、浄化槽の内壁に設けてある浄化槽に関する。   The present invention relates to a septic tank in which a partition plate for partitioning the inside of a septic tank into a plurality of treatment tanks is provided, and a fitting groove for fitting and fixing a peripheral portion of the partition plate is provided on an inner wall of the septic tank.

通常、浄化槽には、上流側から嫌気処理槽、好気処理槽、沈殿槽、及び消毒槽等といった複数の処理槽が、仕切板を介して順に配置されている。
被処理水（し尿、生活雑排水等）は、流入口から流入し、以降、嫌気処理槽、好気処理槽において順次浄化処理された後、沈殿槽に流入し、沈殿槽に流入した被処理水は、汚泥が沈殿分離され、その上澄み液が、消毒筒内の消毒剤と接触して消毒された後、消毒槽を経て、放流口から放流される。
図１３は、従来の浄化槽１の分解斜視図であり、浄化槽１の上槽部分１ａ、下槽部分１ｂ、及び浄化槽１の内側を複数の処理槽に仕切る仕切板２が記載されており、浄化槽１の内壁には、仕切板２の周縁部分を嵌合固定する嵌合溝３が設けられている。
図１４は、従来の浄化槽１において、仕切板２の周縁部分を、嵌合溝３に嵌合固定したときの断面を示している。（特許文献１参照） Usually, in the septic tank, a plurality of treatment tanks such as an anaerobic treatment tank, an aerobic treatment tank, a sedimentation tank, a disinfection tank, and the like are sequentially arranged from the upstream side via a partition plate.
To-be-treated water (human waste, household wastewater, etc.) flows from the inflow port, and after being sequentially purified in the anaerobic treatment tank and aerobic treatment tank, it flows into the settling tank and then into the settling tank. The water is discharged from the outlet through the sterilization tank after the sludge is precipitated and separated and the supernatant liquid is sterilized by contact with the disinfectant in the sterilization cylinder.
FIG. 13 is an exploded perspective view of a conventional septic tank 1, in which an upper tank part 1a, a lower tank part 1b, and a partition plate 2 that partitions the inside of the septic tank 1 into a plurality of treatment tanks are described. A fitting groove 3 for fitting and fixing the peripheral portion of the partition plate 2 is provided on the inner wall 1.
FIG. 14 shows a cross section when the peripheral portion of the partition plate 2 is fitted and fixed in the fitting groove 3 in the conventional septic tank 1. (See Patent Document 1)

実開昭６２−１９０６９８号公報Japanese Utility Model Publication No. 62-190698

浄化槽の内部に仕切板を設置するには、仕切板下方の周縁部分を下槽部分の嵌合溝に嵌合固定した後、上層部分を上から被せるようにして、仕切板上方の周縁部分を上層部分の嵌合溝に嵌合固定する。
しかしながら、上記従来の浄化槽においては、仕切板が多少変形して歪みが生じている場合、仕切板（特に、仕切板の下端側）が、嵌合溝にきちんと嵌合し難くなるという問題が生じていた。
本発明は、上記実情に鑑みてなされたものであって、仕切板が多少変形して歪みが生じている場合であっても、仕切板をその嵌合溝に嵌合固定し易い浄化槽を提供するものである。 In order to install the partition plate inside the septic tank, the peripheral portion below the partition plate is fitted and fixed in the fitting groove of the lower tank portion, and then the upper layer portion is covered from above, and the peripheral portion above the partition plate is Fit and fix in the fitting groove in the upper layer.
However, in the conventional septic tank, when the partition plate is slightly deformed and distorted, there is a problem that the partition plate (particularly, the lower end side of the partition plate) is difficult to properly fit in the fitting groove. It was.
The present invention has been made in view of the above circumstances, and provides a septic tank that can easily fit and fix a partition plate in its fitting groove even when the partition plate is slightly deformed and distorted. To do.

本発明の第１特徴構成は、浄化槽の内側を複数の処理槽に仕切る仕切板を設け、その仕切板の周縁部分を嵌合固定する嵌合溝を、浄化槽の内壁に設けてある浄化槽であって、前記仕切板の周縁部分において、前記嵌合溝に嵌合自在で、且つ、板厚方向に突出する嵌合部を設け、前記嵌合部における前記仕切板の一側面側に第１テーパー面を形成すると共に、他側面側に第２テーパー面を形成し、その第１テーパー面及び第２テーパー面を、前記嵌合溝に対する嵌入先端側ほど互いに近接する形状に形成してある点にある。
〔作用及び効果〕
本発明の浄化槽においては、その仕切板の周縁部分において、嵌合溝に嵌合自在で、且つ、板厚方向に突出する嵌合部を設け、嵌合部における前記仕切板の一側面側に第１テーパー面を形成すると共に、他側面側に第２テーパー面を形成し、その第１テーパー面及び第２テーパー面を、嵌合溝に対する嵌入先端側ほど互いに近接する形状に形成してあるため、仕切板の周縁部分を、嵌合溝に嵌合固定する際、仕切板の嵌合部が、その第１テーパー面と第２テーパー面によって、嵌合溝内に嵌入し易くなるので、仕切板が多少変形して歪みが生じている場合であっても、仕切板をその嵌合溝に嵌合固定し易い。 A first characteristic configuration of the present invention is a septic tank in which a partition plate for partitioning the inside of the septic tank into a plurality of treatment tanks is provided, and a fitting groove for fitting and fixing the peripheral portion of the partition plate is provided on the inner wall of the septic tank. In the peripheral edge portion of the partition plate, a fitting portion that can be fitted in the fitting groove and protrudes in the plate thickness direction is provided, and a first taper is provided on one side surface of the partition plate in the fitting portion. A second tapered surface is formed on the other side surface, and the first tapered surface and the second tapered surface are formed so as to be closer to each other toward the fitting tip side with respect to the fitting groove. is there.
[Action and effect]
In the septic tank of the present invention, a fitting portion that can be fitted in the fitting groove and protrudes in the plate thickness direction is provided at a peripheral portion of the partition plate, and is provided on one side of the partition plate in the fitting portion. The first taper surface is formed, the second taper surface is formed on the other side surface, and the first taper surface and the second taper surface are formed so as to be closer to each other toward the fitting tip side with respect to the fitting groove. Therefore, when the peripheral portion of the partition plate is fitted and fixed in the fitting groove, the fitting portion of the partition plate is easily fitted into the fitting groove by the first tapered surface and the second tapered surface. Even when the partition plate is slightly deformed and distorted, the partition plate can be easily fitted and fixed in the fitting groove.

本発明の第２特徴構成は、前記嵌合部の第１テーパー面が前記仕切板の周縁部分の一側面によって構成されており、前記第２テーパー面が、前記仕切板の周縁部分の他側面から板厚方向に突出するリブの端面によって構成されている点にある。
〔作用及び効果〕
本発明の浄化槽においては、嵌合部の第１テーパー面が仕切板の周縁部分の一側面によって構成されており、第２テーパー面が、仕切板の周縁部分の他側面から板厚方向に突出するリブの端面によって構成されているため、仕切板の嵌合部が、その第１テーパー面と第２テーパー面によって、嵌合溝内に嵌入し易くなることに加えて、仕切板の周縁部分にリブを設ける構成としてあるので、仕切板の周縁部分を補強してその変形を防止することができる。 In the second characteristic configuration of the present invention, the first tapered surface of the fitting portion is configured by one side surface of the peripheral portion of the partition plate, and the second tapered surface is the other side surface of the peripheral portion of the partition plate. It is in the point comprised by the end surface of the rib which protrudes in a plate | board thickness direction.
[Action and effect]
In the septic tank of the present invention, the first taper surface of the fitting portion is formed by one side surface of the peripheral portion of the partition plate, and the second taper surface projects in the thickness direction from the other side surface of the peripheral portion of the partition plate. In addition to the fact that the fitting portion of the partition plate is easily fitted into the fitting groove by the first taper surface and the second taper surface, the peripheral portion of the partition plate Since the rib is provided on the peripheral portion, the peripheral edge portion of the partition plate can be reinforced to prevent deformation thereof.

本発明の第３特徴構成は、前記嵌合溝の内側面を、前記第１テーパー面及び前記第２テーパー面に略沿う面に形成してある点にある。
〔作用及び効果〕
本発明の浄化槽においては、嵌合溝の内側面を、前記第１テーパー面及び前記第２テーパー面に略沿う面に形成してあるため、第１テーパー面及び第２テーパー面の摺接誘導作用によって、仕切板の嵌合部が、より嵌合溝内に嵌入し易くなる。
また、第１テーパー面及び第２テーパー面を、接着面とすることができ、接着剤を介して、仕切板と嵌合溝とを嵌合固定するような場合、仕切板を嵌合溝に強固に固定することができる。 A third characteristic configuration of the present invention is that an inner surface of the fitting groove is formed on a surface substantially along the first tapered surface and the second tapered surface.
[Action and effect]
In the septic tank of the present invention, the inner side surface of the fitting groove is formed on a surface substantially along the first tapered surface and the second tapered surface, so that the sliding contact induction of the first tapered surface and the second tapered surface is performed. Due to the action, the fitting portion of the partition plate is more easily fitted into the fitting groove.
Further, the first taper surface and the second taper surface can be adhesive surfaces, and when the partition plate and the fitting groove are fitted and fixed via an adhesive, the partition plate is used as the fitting groove. It can be firmly fixed.

本発明の第４特徴構成は、前記嵌合部に、前記嵌合溝の底面と略沿う接着用当接面部が設けられている点にある。
〔作用及び効果〕
本発明の浄化槽においては、嵌合部に、嵌合溝の底面と略沿う接着用当接面部が設けられているため、嵌合溝の底面との接着面積がより大きくなり、接着剤を介して仕切板と嵌合溝とを嵌合固定するような場合、仕切板を嵌合溝により強固に固定することができる。 The 4th characteristic structure of this invention exists in the point to which the contact surface part for adhesion which follows the bottom face of the said fitting groove is provided in the said fitting part.
[Action and effect]
In the septic tank according to the present invention, since the contact portion for bonding substantially along the bottom surface of the fitting groove is provided in the fitting portion, the bonding area with the bottom surface of the fitting groove becomes larger, and the adhesive is interposed. When the partition plate and the fitting groove are fitted and fixed, the partition plate can be firmly fixed by the fitting groove.

以下に本発明の実施の形態を図面に基づいて説明する。
〔実施形態〕
図１は、本発明の浄化槽１の分解斜視図を示している。
本発明の浄化槽１には、浄化槽１の内側を複数の処理槽に仕切る仕切板２（互いに連結可能に上下に分割した浄化槽の上槽部分１ａと下槽部分１ｂの内側で、内部空間を複数の処理槽に仕切り、且つ上槽部分１ａの対向壁１２間及び下槽部分１ｂの対向壁１２間にわたって設置する仕切板２）が設けられており、さらに、仕切板２の周縁部分を嵌合固定するコルゲート状の嵌合溝３が、浄化槽１（上槽部分１ａ及び下槽部分１ｂ）の内壁に設けられている（本実施形態においては、仕切板２を、浄化槽１の内部空間に３箇所設ける構成としているが、この構成に限定されるものではなく、仕切板２の設置数は、内部空間に設置する処理槽数等に応じて任意に設定することができる）。 Embodiments of the present invention will be described below with reference to the drawings.
Embodiment
FIG. 1 shows an exploded perspective view of the septic tank 1 of the present invention.
In the septic tank 1 of the present invention, a partition plate 2 for partitioning the inside of the septic tank 1 into a plurality of processing tanks (inside the upper tank part 1a and the lower tank part 1b of the septic tank divided up and down so as to be connected to each other) A partition plate 2) is provided between the opposing walls 12 of the upper tank portion 1a and between the opposing walls 12 of the lower tank portion 1b, and the peripheral portion of the partition plate 2 is fitted. A corrugated fitting groove 3 to be fixed is provided on the inner wall of the septic tank 1 (upper tank part 1a and lower tank part 1b) (in this embodiment, the partition plate 2 is placed in the inner space of the septic tank 1 3 Although it is set as the structure provided in a location, it is not limited to this structure, The number of installation of the partition plate 2 can be arbitrarily set according to the number of the processing tanks installed in internal space, etc.)

図２及び図３は、仕切板２の斜視図を示している（図２は、仕切板２の表側を示しており、図３は、仕切板２の裏側を示している）。
図２に示されるように、仕切板２の表側の周縁部分には、嵌合溝３に嵌合自在で、且つ板厚方向に突出する嵌合部４が設けられている。
図４は、図２における仕切板２の嵌合部４の一部を拡大して示したものである。図４に示されるように、嵌合部４の第１テーパー面５が、仕切板２の周縁部分の一側面によって構成されており、嵌合部４の第２テーパー面６が、仕切板２の周縁部分の他側面から板厚方向に突出する補強リブ７の端面によって構成されており、接着用当接面部８が第１テーパー面５及び第２テーパー面６に連設されている。
尚、嵌合部４は、上述の構成に限定されるものではなく、嵌合部４における仕切板２の一側面側に第１テーパー面５を形成すると共に、他側面側に第２テーパー面６を形成し、その第１テーパー面５及び第２テーパー面６を、嵌合溝３に対する嵌入先端側ほど互いに近接する形状に形成してあるものであれば、任意の構成を採用することができる。 2 and 3 show perspective views of the partition plate 2 (FIG. 2 shows the front side of the partition plate 2 and FIG. 3 shows the back side of the partition plate 2).
As shown in FIG. 2, a fitting portion 4 that can be fitted in the fitting groove 3 and protrudes in the plate thickness direction is provided at the peripheral portion on the front side of the partition plate 2.
FIG. 4 is an enlarged view of a part of the fitting portion 4 of the partition plate 2 in FIG. As shown in FIG. 4, the first tapered surface 5 of the fitting portion 4 is constituted by one side surface of the peripheral portion of the partition plate 2, and the second tapered surface 6 of the fitting portion 4 is formed by the partition plate 2. The end face of the reinforcing rib 7 protrudes from the other side surface of the peripheral portion in the thickness direction, and the contact surface portion 8 for adhesion is connected to the first taper surface 5 and the second taper surface 6.
In addition, the fitting part 4 is not limited to the above-mentioned structure, and forms the 1st taper surface 5 in the one side surface of the partition plate 2 in the fitting part 4, and the 2nd taper surface in the other side surface side. As long as the first taper surface 5 and the second taper surface 6 are formed so as to be closer to each other toward the fitting tip side with respect to the fitting groove 3, any configuration can be adopted. it can.

また、図３に示されるように、仕切板２の裏側には、一対の係合突起部９が、仕切板２の外縁よりも内側で、その板厚方向に突出するように仕切板２に一体形成してある。
図５は、図３における仕切板２の係合突起部９を拡大して示したものである。図３及び図５に示されるように、係合突起部９には、接当部１０が連設されており、接当部１０には、仕切板周縁リブ１１が連設されている。 Further, as shown in FIG. 3, a pair of engaging protrusions 9 are formed on the rear side of the partition plate 2 so as to protrude in the thickness direction on the inner side of the outer edge of the partition plate 2. It is integrally formed.
FIG. 5 is an enlarged view of the engaging projection 9 of the partition plate 2 in FIG. As shown in FIGS. 3 and 5, a contact portion 10 is connected to the engaging protrusion 9, and a partition plate peripheral rib 11 is connected to the contact portion 10.

図６は、本発明の浄化槽１において、上槽部分１ａと下槽部分１ｂの内側に仕切板２を設置するときの様子を示したものである。
尚、上槽部分１ａ及び下槽部分１ｂには、仕切板２を設置する際に使用される嵌合溝３及び被係合凹部１３が設けられており、上槽部分１ａと下槽部分１ｂとを組付けた際、上槽部分１ａに設けられた嵌合溝３は、下槽部分１ｂに設けられた嵌合溝３と連続し得、且つ上槽部分１ａに設けられた被係合凹部１３は、下槽部分１ｂの被係合凹部１３と対向し得る構成となっている。 FIG. 6 shows a state in which the partition plate 2 is installed inside the upper tank part 1a and the lower tank part 1b in the septic tank 1 of the present invention.
In addition, the upper tank part 1a and the lower tank part 1b are provided with a fitting groove 3 and an engaged recess 13 used when installing the partition plate 2, and the upper tank part 1a and the lower tank part 1b. And the fitting groove 3 provided in the upper tank part 1a can be continuous with the fitting groove 3 provided in the lower tank part 1b, and the engaged groove provided in the upper tank part 1a. The recess 13 is configured to be able to face the engaged recess 13 of the lower tank portion 1b.

図７〜図９は、下槽部分１ｂに設けられた被係合凹部１３を示したものである（図７及び図８は、被係合凹部１３の斜視図であり、図９は、被係合凹部１３を嵌合溝３内から見たときの側面図である）。
図７〜図９に示されるように、下槽部分１ｂの対向壁１２には、仕切板２の係合突起部９が係合し得る被係合凹部１３が設けられており、被係合凹部１３には、槽内リブ１４が連設されている。また、図示しないが、下槽部分１ｂのもう一方の対向壁１２においても、上述と同様に、被係合凹部１３及び槽内リブ１４が設けられている。
尚、上槽部分１ａに設けられた被係合凹部１３についても、上述の下槽部分１ｂにおける被係合凹部１３と同様の構成を有する（図示せず）。 7 to 9 show the engaged recess 13 provided in the lower tank portion 1b (FIGS. 7 and 8 are perspective views of the engaged recess 13 and FIG. It is a side view when the engagement recessed part 13 is seen from the inside of the fitting groove 3).
As shown in FIGS. 7 to 9, the opposed wall 12 of the lower tank portion 1 b is provided with an engaged recess 13 that can be engaged with the engaging protrusion 9 of the partition plate 2. The in-tank rib 14 is continuously provided in the recess 13. Moreover, although not shown in figure, also in the other opposing wall 12 of the lower tank part 1b, the to-be-engaged recessed part 13 and the tank rib 14 are provided similarly to the above-mentioned.
Note that the engaged recess 13 provided in the upper tank portion 1a also has the same configuration as the engaged recess 13 in the lower tank portion 1b (not shown).

図６に示されるように、仕切板２を設置するためには、先ず、仕切板２の下側の周縁部分を、下槽部分１ｂの嵌合溝３に挿入して嵌合固定する。次いで、上槽部分１ａを上から被せて、仕切板２の上側の周縁部分を、上槽部分１ａの嵌合溝３に挿入して嵌合固定する。   As shown in FIG. 6, in order to install the partition plate 2, first, the lower peripheral portion of the partition plate 2 is inserted into the fitting groove 3 of the lower tub portion 1b and fixed. Next, the upper tub portion 1a is covered from above, and the upper peripheral portion of the partition plate 2 is inserted into the fitting groove 3 of the upper tub portion 1a to be fitted and fixed.

図１０〜図１２は、仕切板２を、上槽部分１ａと下槽部分１ｂの内側に設置したときの様子を示している（図１０は、被係合凹部１３周縁の平面図であり、図１１は、被係合凹部１３周縁の断面図であり、図１２は、下槽部分１ｂの底部における嵌合溝３部分の断面図である）。   10-12 has shown the mode when the partition plate 2 was installed inside the upper tank part 1a and the lower tank part 1b (FIG. 10 is a top view of the to-be-engaged recessed part 13 periphery, FIG. 11 is a cross-sectional view of the periphery of the engaged recess 13, and FIG. 12 is a cross-sectional view of the fitting groove 3 portion at the bottom of the lower tank portion 1 b.

図１１に示されるように、上槽部分１ａと下槽部分１ｂとを組付けた際、仕切板２の係合突起部９は、上槽部分１ａの被係合凹部１３及び下槽部分１ｂの被係合凹部１３の両方にわたって係合し得る構成となっている。
即ち、一対の係合突起部９は、上層部分１ａの対向壁１２夫々に設けられた被係合凹部１３に各別に係合して、上層部分１ａの対向壁１２間の距離が開くのを防止し得ると共に、下槽部分１ｂについても同様に、下層部分１ｂの対向壁１２夫々に設けられた被係合凹部１３に各別に係合して、下層部分１ｂの対向壁１２間の距離が開くのを防止し得る。 As shown in FIG. 11, when the upper tank part 1a and the lower tank part 1b are assembled, the engaging protrusions 9 of the partition plate 2 are engaged with the engaged recesses 13 and the lower tank part 1b of the upper tank part 1a. It is the structure which can be engaged over both of the to-be-engaged recessed parts 13.
That is, the pair of engaging protrusions 9 are engaged with the respective recessed portions 13 provided on the opposing walls 12 of the upper layer portion 1a, respectively, so that the distance between the opposing walls 12 of the upper layer portion 1a is increased. Similarly, the lower tank portion 1b can be engaged with the engaged recesses 13 provided on the opposing walls 12 of the lower layer portion 1b, respectively, and the distance between the opposing walls 12 of the lower layer portion 1b can be reduced. It can be prevented from opening.

また、仕切板２を設置する際、上述のように、仕切板２の係合突起部９が、上槽部分１ａの被係合凹部１３及び下槽部分１ｂの被係合凹部１３に係合すると、係合突起部９に連設する接当部１０が、下槽部分１ｂの槽内リブの端面１５ｂ（下槽部分１ｂの上端部）に載置されると共に、その接当部１０の上に、上槽部分１ａの槽内リブの端面１５ａ（上槽部分１ａの上端部）が載置される構成となっている。また、図１１に示されるように、被係合凹部１３の幅と深さは、係合突起部９より大きく形成し、係合突起部９のテーパー面１６以外の面は、被係合凹部１３に突き当たることがないように形成している。このため、上槽部分１ａと下槽部分１ｂが接合した時点で仕切板２が上下方向に対して位置決めされる。
また、係合突起部９の浄化槽内側方向の面は、被係合凹部１３の浄化槽内側方向の角部（被係合凹部１３開口部の面取り終端部）に対して摺接し得るテーパー面１６が形成されている。このため、仕切板２を挿入するに従い、外槽と仕切板２が締め付け合い、上槽部分１ａと下槽部分１ｂが接合した時点で、外槽と仕切板２が水平方向に対して位置決めされ、仕切板２のガタつきを防止することができる。
尚、周縁リブ１１は、図３及び図１１に示されるように、仕切板の両端部と下端部（全周に設けても良い）に形成され、仕切板２の反りを防止すると共に、外圧等で外槽が内側に入り込まないようにするストッパーとしての機能を有している。 Further, when the partition plate 2 is installed, as described above, the engaging projection 9 of the partition plate 2 is engaged with the engaged recess 13 of the upper tank portion 1a and the engaged recess 13 of the lower tank portion 1b. Then, the contact portion 10 connected to the engaging projection portion 9 is placed on the end face 15b of the inner rib of the lower tank portion 1b (the upper end portion of the lower tank portion 1b), and the contact portion 10 The end surface 15a (the upper end portion of the upper tank portion 1a) of the in-tank rib of the upper tank portion 1a is placed on the top. Further, as shown in FIG. 11, the width and depth of the engaged recess 13 are formed larger than those of the engaging projection 9, and the surfaces other than the tapered surface 16 of the engaging projection 9 are engaged recesses. 13 is formed so as not to hit 13. For this reason, when the upper tank part 1a and the lower tank part 1b join, the partition plate 2 is positioned with respect to an up-down direction.
In addition, the surface of the engaging projection 9 in the inner side of the septic tank has a tapered surface 16 that can be in sliding contact with the corner of the engaged recess 13 in the inner side of the septic tank (the chamfering end portion of the opening of the engaged recess 13). Is formed. For this reason, as the partition plate 2 is inserted, the outer tub and the partition plate 2 are fastened together, and when the upper tub portion 1a and the lower tub portion 1b are joined, the outer tub and the partition plate 2 are positioned with respect to the horizontal direction. The rattling of the partition plate 2 can be prevented.
As shown in FIGS. 3 and 11, the peripheral rib 11 is formed at both end portions and lower end portions (may be provided on the entire circumference) of the partition plate to prevent warping of the partition plate 2 and to apply external pressure. It has a function as a stopper that prevents the outer tub from entering the inside.

図１２は、仕切板２の周縁部分の嵌合部４が、下層部分１ｂの底部における嵌合溝３に嵌合固定されている様子を示した断面図である。
図１２に示されるように、嵌合溝３は、その内側面を、嵌合部４の第１テーパー面５及び第２テーパー面６に略沿う面に形成されている。
尚、上述した仕切板２の接当部１０が、下槽部分１ｂの槽内リブの端面１５ｂ（下槽部分１ｂの上端部）に載置されることによって、浄化槽１における仕切板２の上下方向の位置が規定され得る。そのため、嵌合部４の接着用当接面部８と嵌合溝３の底面との間にわずかな隙間（図示せず）が存在し得るように構成することも可能であり（嵌合部４の接着用当接面部８は、嵌合溝３の底面と略沿うように構成されている）、その隙間に接着剤等を介在させることによって仕切板２を嵌合溝３により強固に固定することができる。 FIG. 12 is a cross-sectional view showing a state in which the fitting portion 4 at the peripheral portion of the partition plate 2 is fitted and fixed in the fitting groove 3 in the bottom portion of the lower layer portion 1b.
As shown in FIG. 12, the fitting groove 3 is formed such that the inner surface thereof is a surface substantially along the first tapered surface 5 and the second tapered surface 6 of the fitting portion 4.
In addition, the contact part 10 of the partition plate 2 mentioned above is mounted on the end surface 15b (the upper end part of the lower tank part 1b) of the rib in a tank of the lower tank part 1b, and thereby the upper and lower sides of the partition plate 2 in the septic tank 1 A directional position may be defined. Therefore, it is also possible to configure so that a slight gap (not shown) can exist between the contact surface 8 for adhesion of the fitting part 4 and the bottom surface of the fitting groove 3 (fitting part 4). The contact surface portion 8 for bonding is configured to be substantially along the bottom surface of the fitting groove 3), and the partition plate 2 is firmly fixed to the fitting groove 3 by interposing an adhesive or the like in the gap. be able to.

また、本発明の浄化槽１を構成する上槽部分１ａ及び下槽部分１ｂの外周にはそれぞれ、フランジ部１７が設けられており、上槽部分１ａと下槽部分１ｂとを組付ける際、各フランジ部１７同士が接合するように構成されている（下槽部分１ｂについては、図６及び図１０を参照）。
上槽部分１ａ及び下槽部分１ｂのフランジ部１７にはそれぞれ、それらを組付けた際に連通するフランジボルト穴１８（下槽部分１ｂについては、図６及び図１０を参照）が設けられている。
さらに、上槽部分１ａ及び下槽部分１ｂのフランジ部１７にはそれぞれ、その全周にわたって適当なシール材を設置可能なシール用凹部１９（下槽部分１ｂについては、図６及び図１０を参照）が設けられている。
上槽部分１ａと下槽部分１ｂとを組付けると、上槽部分１ａ及び下槽部分１ｂに設けられた各フランジボルト穴１８が連通し、そのフランジボルト穴１８にボルトを挿入して、反対側からナットで締結し得る構成となっている（図示せず）。 Moreover, the flange part 17 is provided in the outer periphery of the upper tank part 1a and the lower tank part 1b which respectively comprise the purification tank 1 of this invention, and when assembling the upper tank part 1a and the lower tank part 1b, It is comprised so that flange parts 17 may join (refer FIG.6 and FIG.10 about the lower tank part 1b).
The flange portions 17 of the upper tank portion 1a and the lower tank portion 1b are respectively provided with flange bolt holes 18 (see FIGS. 6 and 10 for the lower tank portion 1b) that communicate with each other when they are assembled. Yes.
Furthermore, the flange part 17 of the upper tank part 1a and the lower tank part 1b is respectively the recessed part 19 for sealing which can install a suitable sealing material over the perimeter (refer FIG.6 and FIG.10 about the lower tank part 1b) ) Is provided.
When the upper tank part 1a and the lower tank part 1b are assembled, the flange bolt holes 18 provided in the upper tank part 1a and the lower tank part 1b communicate with each other, and bolts are inserted into the flange bolt holes 18 to oppose each other. It can be fastened with a nut from the side (not shown).

〔その他の実施形態〕
１．嵌合溝の内側面の形状は、上述の実施形態に限定されるものではなく、少なくとも、嵌合部が嵌合可能な幅と深さを有する形状であれば良い。 [Other Embodiments]
1. The shape of the inner surface of the fitting groove is not limited to the above-described embodiment, and may be a shape having at least a width and a depth at which the fitting portion can be fitted.

本発明の浄化槽の分解斜視図Exploded perspective view of the septic tank of the present invention 浄化槽の内側を複数の処理槽に仕切る仕切板の斜視図The perspective view of the partition plate which partitions the inside of a septic tank into a plurality of processing tanks 浄化槽の内側を複数の処理槽に仕切る仕切板の斜視図The perspective view of the partition plate which partitions the inside of a septic tank into a plurality of processing tanks 図２における仕切板の嵌合部の一部を拡大して示した図The figure which expanded and showed a part of fitting part of the partition plate in FIG. 図３における仕切板の係合突起部を拡大して示した図The figure which expanded and showed the engagement protrusion part of the partition plate in FIG. 本発明の浄化槽において、上槽部分と下槽部分の内側に仕切板を設置するときの様子を示した図In the septic tank of the present invention, a diagram showing a state when a partition plate is installed inside the upper tank part and the lower tank part. 被係合凹部の斜視図Perspective view of engaged recess 被係合凹部の斜視図Perspective view of engaged recess 被係合凹部を嵌合溝内から見たときの側面図Side view when the engaged recess is viewed from inside the fitting groove 被係合凹部周縁の平面図Plan view of engaged recess periphery 被係合凹部周縁の断面図Cross-sectional view of the periphery of the engaged recess 下槽部分の底部における嵌合溝部分の断面図Sectional view of the fitting groove at the bottom of the lower tank 従来の浄化槽の分解斜視図Disassembled perspective view of conventional septic tank 従来の浄化槽において、仕切板の周縁部分を、嵌合溝に嵌合固定したときの断面図Sectional drawing when the peripheral part of the partition plate is fitted and fixed in the fitting groove in the conventional septic tank

符号の説明Explanation of symbols

１ 浄化槽
１ａ 上槽部分
１ｂ 下槽部分
２ 仕切板
３ 嵌合溝
４ 嵌合部
５ 第１テーパー面
６ 第２テーパー面
７ 補強リブ
８ 接着用当接面部
９ 係合突起部
１０ 接当部
１１ 仕切板周縁リブ
１２ 対向壁
１３ 被係合凹部
１４ 槽内リブ
１５ 槽内リブの端面
１６ 係合テーパー面
１７ フランジ部
１８ フランジボルト穴
１９ シール用凹部 DESCRIPTION OF SYMBOLS 1 Purification tank 1a Upper tank part 1b Lower tank part 2 Partition plate 3 Fitting groove 4 Fitting part 5 1st taper surface 6 2nd taper surface 7 Reinforcement rib 8 Contacting surface part 9 Engagement protrusion part 10 Contact part 11 Partition plate peripheral rib 12 Opposing wall 13 Engaged recess 14 Tank inner rib 15 End face 16 of the tank inner rib Engagement taper surface 17 Flange portion 18 Flange bolt hole 19 Seal recess

Claims (4)

浄化槽の内側を複数の処理槽に仕切る仕切板を設け、その仕切板の周縁部分を嵌合固定する嵌合溝を、浄化槽の内壁に設けてある浄化槽であって、
前記仕切板の周縁部分において、前記嵌合溝に嵌合自在で、且つ、板厚方向に突出する嵌合部を設け、前記嵌合部における前記仕切板の一側面側に第１テーパー面を形成すると共に、他側面側に第２テーパー面を形成し、その第１テーパー面及び第２テーパー面を、前記嵌合溝に対する嵌入先端側ほど互いに近接する形状に形成してある浄化槽。 A septic tank provided with a partition plate for partitioning the inside of the septic tank into a plurality of treatment tanks, and a fitting groove for fitting and fixing the peripheral portion of the partition plate, provided on the inner wall of the septic tank,
In the peripheral portion of the partition plate, a fitting portion that can be fitted in the fitting groove and protrudes in the thickness direction is provided, and a first tapered surface is provided on one side of the partition plate in the fitting portion. A septic tank that is formed and has a second taper surface on the other side surface, and the first taper surface and the second taper surface are formed closer to each other toward the fitting tip side with respect to the fitting groove. 前記嵌合部の第１テーパー面が前記仕切板の周縁部分の一側面によって構成されており、前記第２テーパー面が、前記仕切板の周縁部分の他側面から板厚方向に突出するリブの端面によって構成されている請求項１に記載の浄化槽。   The first taper surface of the fitting portion is formed by one side surface of the peripheral portion of the partition plate, and the second taper surface is a rib projecting from the other side surface of the peripheral portion of the partition plate in the plate thickness direction. The septic tank of Claim 1 comprised by the end surface. 前記嵌合溝の内側面を、前記第１テーパー面及び前記第２テーパー面に略沿う面に形成してある請求項１又は２のいずれか１項に記載の浄化槽。   3. The septic tank according to claim 1, wherein an inner side surface of the fitting groove is formed on a surface substantially along the first tapered surface and the second tapered surface. 前記嵌合部に、前記嵌合溝の底面と略沿う接着用当接面部が設けられている請求項１〜３のいずれか１項に記載の浄化槽。   The septic tank according to any one of claims 1 to 3, wherein the fitting portion is provided with an adhesion contact surface portion substantially along the bottom surface of the fitting groove.
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