JP2008246332A - Septic tank - Google Patents

Septic tank Download PDF

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JP2008246332A
JP2008246332A JP2007089108A JP2007089108A JP2008246332A JP 2008246332 A JP2008246332 A JP 2008246332A JP 2007089108 A JP2007089108 A JP 2007089108A JP 2007089108 A JP2007089108 A JP 2007089108A JP 2008246332 A JP2008246332 A JP 2008246332A
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partition plate
tank
engaged
septic tank
tank part
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JP4960741B2 (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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Abstract

<P>PROBLEM TO BE SOLVED: To provide a septic tank in which engagement projecting parts capable of preventing the distance between the confronted walls from being extended are hardly broken. <P>SOLUTION: The septic tank is provided with a partition plate 2 partitioning the internal space into a plurality of treatment tanks at the inside of the upper tank part and the lower tank part vertically divided so as to be connectable each other and installed over the space between at least either confronted walls in the upper tank part or the lower tank part. The partition plate 2 is provided with a pair of engagement projecting parts 9 engaged with the recessed parts to be engaged provided at the confronted walls, respectively, and the pair of engagement projecting parts are engaged with the recessed parts to be engaged, respective, so as to prevent the widening of the space between the confronted walls. The engagement projecting parts are integrally formed at the partition plate so as to be projected at the side inner than the outer edge of the partition plate to the plate thickness thereof. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、互いに連結可能に上下に分割した浄化槽の上槽部分と下槽部分の内側で、内部空間を複数の処理槽に仕切り、且つ前記上槽部分又は前記下槽部分の少なくともいずれか一方の対向壁間にわたって設置する仕切板を設け、前記対向壁夫々に設けた被係合凹部に各別に係合する一対の係合突起部を前記仕切板に設けて、前記一対の係合突起部を、前記被係合凹部夫々に係合させることによって、前記対向壁間の距離が開くのを防止してある浄化槽に関する。   The present invention divides the internal space into a plurality of treatment tanks inside the upper tank part and the lower tank part of the septic tank which are divided into upper and lower parts so that they can be connected to each other, and at least one of the upper tank part and the lower tank part Provided with a partition plate installed between the opposing walls, and provided with a pair of engaging projections on the partition plate, each engaging with an engaged recess provided on each of the opposing walls. It is related with the septic tank which prevents the distance between the said opposing walls from opening by engaging with each said to-be-engaged recessed part.

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。
一般的に、浄化槽に被処理水が流入すると、その水圧によって、浄化槽全体が水平方向に膨らもうとする（即ち、浄化槽内の対向壁間の距離が開こうとする）。これを防止するために、仕切板を接着剤で固定する場合であっても仕切板をネジ等の締結部分で外槽に固定している。また、仕切板の外縁よりも外側に突出する一対の係合突起部を仕切板に設け、係合突起部が係合する被係合凹部を浄化槽に設け、仕切板を浄化槽の嵌合溝に嵌合させる際、一対の係合突起部と被係合凹部夫々とを互いに係合させて、浄化槽に被処理水が流入して浄化槽全体が水平方向に膨もうとしても、対向壁間の距離を開き難くして、浄化槽の膨み変形に伴う破損を防止した浄化槽が提案されている。（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.
Water to be treated (human waste, domestic wastewater, etc.) flows from the inlet, and after that, after being sequentially purified in the anaerobic and aerobic treatment tanks, it flows into the settling tank and 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.
In general, when the water to be treated flows into the septic tank, the entire septic tank tends to swell in the horizontal direction due to the water pressure (that is, the distance between the opposing walls in the septic tank tends to open). In order to prevent this, even when the partition plate is fixed with an adhesive, the partition plate is fixed to the outer tub with a fastening portion such as a screw. In addition, a pair of engaging protrusions that protrude outward from the outer edge of the partition plate are provided on the partition plate, an engaged recess that engages with the engagement protrusion is provided in the septic tank, and the partition plate is provided in the fitting groove of the septic tank. When fitting, a pair of engaging protrusions and engaged recesses are engaged with each other so that the water to be treated flows into the septic tank and the entire septic tank swells in the horizontal direction. There has been proposed a septic tank that makes it difficult to open the septic tank and prevents breakage of the septic tank due to bulge deformation. (See Patent Document 1)

実開昭５４−１７４２５８号公報Japanese Utility Model Publication No. 54-174258

しかしながら、上記従来の浄化槽における仕切板の係合突起部は、仕切板の外縁よりも外側に突出していたため、浄化槽を組付ける等の際、何らかの衝撃が加わり易く、破損し易いものであった。また、係合突起部まわりの止水処理も複雑となり困難であった。
本発明は、上記実情に鑑みてなされたものであって、浄化槽の対向壁間の距離が開くのを防止し得る係合突起部が、破損し難く、止水処理が容易な浄化槽を提供するものである。 However, since the engaging protrusions of the partition plate in the conventional septic tank protrude outward from the outer edge of the partition plate, some impact is likely to be applied and easily damaged when the septic tank is assembled. In addition, the water stop treatment around the engaging protrusion is complicated and difficult.
The present invention has been made in view of the above circumstances, and provides a septic tank in which an engaging protrusion that can prevent the distance between the opposing walls of the septic tank from opening is difficult to break and a water stop treatment is easy. Is.

本発明の第１特徴構成は、互いに連結可能に上下に分割され得る浄化槽の上槽部分と下槽部分の内側で、内部空間を複数の処理槽に仕切り、且つ前記上槽部分又は前記下槽部分の少なくともいずれか一方の対向壁間にわたって設置される仕切板を備え、前記対向壁夫々に設けた被係合凹部に各別に係合する一対の係合突起部を前記仕切板に設けて、前記一対の係合突起部を、前記被係合凹部夫々に係合させることによって、前記対向壁間の距離が開くのを防止してある浄化槽であって、前記係合突起部を、前記仕切板の外縁よりも内側で、その板厚方向に突出するように前記仕切板に一体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、係合突起部を、仕切板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に一体形成してあるため、浄化槽を組付ける等の際、衝撃が加わり難く、破損し難い。
また、浄化槽に被処理水が流入して多くの水圧がかかったとしても浄化槽全体が水平に膨らんで変形するのを防止できるため仕切板と外槽部分が離間せず、しかも、仕切板外縁よりも外側に突出する部分がないので、止水処理は、接着剤等を仕切板外縁に一様に塗布するだけで良く、止水効果も高くすることができる。 The first characteristic configuration of the present invention is that the inner space is divided into a plurality of processing tanks inside the upper tank part and the lower tank part of the septic tank which can be divided into upper and lower parts so as to be connectable to each other, and the upper tank part or the lower tank A partition plate installed across at least one of the opposing walls of the portion, and a pair of engaging protrusions that engage with each of the engaged recesses provided on each of the opposing walls are provided on the partition plate, A septic tank that prevents the distance between the opposing walls from being increased by engaging the pair of engaging protrusions with each of the engaged recesses, wherein the engaging protrusions are separated from the partition. It is in the point which is integrally formed in the said partition plate so that it may protrude in the plate | board thickness direction inside the outer edge of a board.
[Action and effect]
In the septic tank of the present invention, the engaging protrusion is formed integrally with the partition plate so as to protrude in the thickness direction inside the outer edge of the partition plate. Is difficult to add and is difficult to break.
In addition, even if the water to be treated flows into the septic tank and a lot of water pressure is applied, the entire septic tank can be prevented from bulging and deforming horizontally, so that the partition plate and the outer tub part are not separated from each other, and moreover from the outer edge of the partition plate Since there is no portion protruding outward, the water-stopping treatment only needs to be applied uniformly to the outer edge of the partition plate, and the water-stopping effect can be enhanced.

本発明の第２特徴構成は、前記上槽部分及び前記下槽部分に、前記被係合凹部を設けており、前記仕切板の係合突起部が、前記上槽部分の被係合凹部及び前記下槽部分の被係合凹部の両方にわたって係合し得る点にある。
〔作用及び効果〕
本発明の浄化槽においては、上槽部分及び下槽部分に、被係合凹部を設けており、仕切板の係合突起部が、上槽部分の被係合凹部及び下槽部分の被係合凹部の両方にわたって係合し得るため、浄化槽に被処理水が流入して多くの水圧がかかったとしても、浄化槽全体が水平方向に膨んで変形するのを一層防止できる。 According to a second characteristic configuration of the present invention, the engaged recessed portion is provided in the upper tank portion and the lower tank portion, and the engaging protrusion of the partition plate includes the engaged recessed portion of the upper tank portion and It exists in the point which can engage over both the to-be-engaged recessed parts of the said lower tank part.
[Action and effect]
In the septic tank of the present invention, the upper tank part and the lower tank part are provided with engaged recesses, and the engagement projections of the partition plate are engaged with the engaged recesses of the upper tank part and the lower tank part. Since it can engage over both of the recesses, even if the water to be treated flows into the septic tank and a lot of water pressure is applied, it is possible to further prevent the entire septic tank from expanding and deforming in the horizontal direction.

本発明の第３特徴構成は、前記係合突起部の浄化槽内側方向の面に、前記被係合凹部の浄化槽内側方向の角部に対して摺接し得るテーパー面が形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、係合突起部の浄化槽内側方向の面に、被係合凹部の浄化槽内側方向の角部に対して摺接し得るテーパー面が形成されているので、係合突起部を、被係合凹部に係合させ易い。
また、仕切板を挿入するに従い外槽と仕切板が締め付け合い、水平方向に対し位置決めされるので、仕切板のガタつきを防止することができる。 A third characteristic configuration of the present invention is that a taper surface capable of sliding contact with a corner portion of the engaged concave portion inside the purification tank is formed on a surface of the engagement protrusion on the inside of the purification tank. .
[Action and effect]
In the septic tank of the present invention, a taper surface that can be slidably brought into contact with the corner of the engaged recess inside the septic tank inside is formed on the surface of the engaging projection on the inside of the septic tank. It is easy to engage with the engaged recess.
Further, as the partition plate is inserted, the outer tub and the partition plate are tightened and positioned in the horizontal direction, so that the play of the partition plate can be prevented.

本発明の第４特徴構成は、前記係合突起部に、前記下槽部分の上端部に載置する接当部が連設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、係合突起部に、下槽部分の上端部に載置する接当部が連設されているので、浄化槽における仕切板の上下方向の位置が規定され得る。そのため、仕切板の下端と下槽部分の底面との間に、安定的に一定の隙間を確保し易くなり、例えば、その隙間に接着剤等を介在させることによって、仕切板を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 by which the contact part mounted in the upper end part of the said lower tank part is provided in a row by the said engagement protrusion part.
[Action and effect]
In the septic tank of the present invention, since the contact portion to be placed on the upper end of the lower tub portion is connected to the engaging protrusion, the vertical position of the partition plate in the septic tank can be defined. Therefore, it becomes easy to ensure a constant gap between the lower end of the partition plate and the bottom surface of the lower tank part. For example, the partition plate is more firmly fixed by interposing an adhesive or the like in the gap. can do.

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は、互いに連結可能に上下に分割され得る上槽部分１ａ及び下槽部分１ｂ、並びに、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間にわたって設置される仕切板２を備えている。
上槽部分１ａの内壁及び下槽部分１ｂの内壁には、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.
The septic tank 1 of the present invention partitions an internal space into a plurality of treatment tanks inside an upper tank part 1a and a lower tank part 1b that can be divided into upper and lower parts so as to be connectable to each other, and inside the upper tank part 1a and the lower tank part 1b. And the partition plate 2 installed between the opposing walls 12 of the upper tank part 1a and between the opposing walls 12 of the lower tank part 1b is provided.
On the inner wall of the upper tank portion 1a and the inner wall of the lower tank portion 1b, a corrugated fitting groove 3 for fitting and fixing the peripheral edge portion of the partition plate 2 is provided (in this embodiment, the partition plate 2 is However, this is not limited to this configuration, and the number of partition plates 2 to be installed is arbitrarily set according to the number of processing tanks installed in the internal space. Can do).

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周縁の縦断面図であり、図１２は、下槽部分１ｂの底部における嵌合溝３部分の縦断面図である）。   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 longitudinal sectional view of the periphery of the recessed portion 13 to be engaged, and FIG. 12 is a longitudinal sectional view of the fitting groove 3 portion at the bottom of the lower tank portion 1b.

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 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溝部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.
Further, the flanges 17 of the upper tank part 1a and the lower tank part 1b are respectively provided with a sealing groove 19 (see FIGS. 6 and 10 for the lower tank part 1b). Reference) 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．本発明における仕切板は、上述の実施形態に限定されるものではなく、上槽部分又は下槽部分の少なくともいずれか一方の対向壁間にわたって設置するような構成としても良い。 [Other Embodiments]
1. The partition plate in this invention is not limited to the above-mentioned embodiment, It is good also as a structure installed over the opposing wall of at least any one of an upper tank part or a lower tank part.

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 被係合凹部周縁の縦断面図Longitudinal 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縦断面図Longitudinal sectional view of the fitting groove part at the bottom of the lower tank part

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 シール用凹溝部 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 Opposite wall 13 Engaged recess 14 Tank inner rib 15 End face 16 of tank inner rib Engagement taper surface 17 Flange part 18 Flange bolt hole 19 Groove part for seal

Claims (4)

互いに連結可能に上下に分割され得る浄化槽の上槽部分と下槽部分の内側で、内部空間を複数の処理槽に仕切り、且つ前記上槽部分又は前記下槽部分の少なくともいずれか一方の対向壁間にわたって設置される仕切板を備え、前記対向壁夫々に設けた被係合凹部に各別に係合する一対の係合突起部を前記仕切板に設けて、前記一対の係合突起部を、前記被係合凹部夫々に係合させることによって、前記対向壁間の距離が開くのを防止してある浄化槽であって、
前記係合突起部を、前記仕切板の外縁よりも内側で、その板厚方向に突出するように前記仕切板に一体形成してある浄化槽。 Inside the upper tank part and the lower tank part of the septic tank that can be divided into upper and lower parts so as to be connectable to each other, the internal space is partitioned into a plurality of treatment tanks, and at least one of the opposing walls of the upper tank part or the lower tank part Provided with a partition plate installed between, a pair of engaging projections that engage with each of the engaged recesses provided on each of the opposing walls are provided on the partition plate, and the pair of engagement projections, A septic tank that prevents the distance between the opposing walls from opening by engaging each of the engaged recesses,
The septic tank which is integrally formed in the said partition plate so that the said engagement protrusion part may protrude in the plate | board thickness direction inside the outer edge of the said partition plate. 前記上槽部分及び前記下槽部分に、前記被係合凹部を設けており、前記仕切板の係合突起部が、前記上槽部分の被係合凹部及び前記下槽部分の被係合凹部の両方にわたって係合し得る請求項１に記載の浄化槽。   The engaged recess is provided in the upper tank part and the lower tank part, and the engagement protrusions of the partition plate are engaged recesses of the upper tank part and engaged recesses of the lower tank part. The septic tank of Claim 1 which can be engaged over both. 前記係合突起部の浄化槽内側方向の面に、前記被係合凹部の浄化槽内側方向の角部に対して摺接し得るテーパー面が形成されている請求項１又は２のいずれか１項に記載の浄化槽。   The taper surface which can be slidably contacted with the corner | angular part of the septic tank inner side direction of the said to-be-engaged recessed part is formed in the surface of the septic tank inner side direction of the said engagement protrusion part. Septic tank. 前記係合突起部に、前記下槽部分の上端部に載置する接当部が連設されている請求項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 a contact portion that is placed on an upper end portion of the lower tank portion is connected to the engaging protrusion.
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JP2010264338A (en) * 2009-05-12 2010-11-25 Kubota Corp Septic tank
JP2014209960A (en) * 2013-04-17 2014-11-13 雅子 新垣 Basket with division plate
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