JP2019070235A - Drainage basin - Google Patents

Abstract

To provide a drainage basin which can be easily mounted to and demounted from the drainage basin body and in which a detachable member can remain to be attached to the drainage basin body without causing any trouble while an operation member is connected to the detachable member.SOLUTION: A drainage basin 10 has a drainage basin body 20 and a detachable member 30. The detachable member 30 has a detachable portion 34 mounted to and demounting from an inflow side connection port 22 and an operation member mounting portion 38 to which an operation member 50 used for mounting and demounting works of the detachable portion 34 for the inflow side connection port 22 is mounted. The operation member mounting portion 38 has an operation mounting portion 38a and a non-operation mounting portion 38b. Attachment positions of the operation member 50 can be switched between the operation mounting portion 38a and the non-operation mounting portion 38b.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a drainage mass.

  BACKGROUND Conventionally, a drainage mass as disclosed in Patent Document 1 below is provided in a drainage path of drainage discharged from a house, various drainage facilities, and the like. In the drainage mass of Patent Document 1 below, a water sealing elbow is connected from an opening end provided inside the drainage mass to a coupling means provided in the drainage mass main body.

  The above-mentioned water-sealed elbow is equipped with a backflow prevention valve which can be opened into the drainage mass by the drainage flowing in from the coupling means. By providing such a backflow prevention valve, the drainage mass disclosed in Patent Document 1 allows drainage to flow in via the drainage pipe connected to the joint means, while the drainage path connected to the branch pipe It is possible to prevent the backflow of drainage from the piping on the downstream side of the Therefore, according to the drainage mass disclosed in Patent Document 1, for example, a large amount of rain water or the like is generated due to, for example, a typhoon or a guerrilla heavy rain, and the drainage flows backward from the downstream side to the upstream side of the drainage path. Even if it does, it can prevent the backflow drainage from flowing back further upstream of the drainage mass.

Patent No. 5528184 gazette

  Here, the drainage mass of Patent Document 1 is provided with a so-called bayonet-type detachable structure as a water-sealed elbow detachable structure. Specifically, the engaging protrusion provided on the water seal elbow is moved in a substantially horizontal direction toward the concave guide groove provided on the joint means side and then fitted, and then the water seal elbow is rotated. Water-tight elbows are designed to be firmly attached. In addition, the water seal elbow can be removed by rotating the water seal elbow (engaging projection) in the opposite direction to that at the time of mounting or moving the water seal elbow in a substantially horizontal direction.

  However, the inner space of the drainage mass is not a very large space, and it may be difficult to hold the water seal elbow and carry out the attaching and detaching operation. Also, like the water seal elbow of the drainage mass of Patent Document 1, when the detachable member is provided inside the drainage mass main body, from the inspection opening provided at the upper end of the drainage mass main body to the attachment position of the detachable member In some cases, it may be difficult to hold the mounting / demounting member in hand to perform the mounting / removal work, for example, because the height of the head exceeds the reachable range.

  Assuming such a case, the present inventor examined connecting a rod-like or cylindrical operation member to the attachment / detachment member so that the attachment / detachment operation can be performed via the operation member. However, depending on the connection position of the operation member to the detachable member, the size of the opening area of the inspection opening, the height from the inspection opening to the attachment position of the detachable member, the operation range of the operation member required for the rotation operation of the detachable member, etc. It has been found that various factors may limit the operation by the operating member. In addition, if the operation member is attached to the attachment / detachment member after attachment of the attachment / detachment member, depending on the connection position of the operation member to the attachment / detachment member, it interferes with inspection of the drainage mass main body through the inspection port. And so on, it turned out that it could lead to various problems. Based on these examination results, the present inventors differ in the connection position of the operation member with respect to the attachment / detachment member in the case of attaching / detaching the attachment / detachment member and the case other than that. By taking measures that can be solved, it came to the finding that drainage masses with even greater convenience could be provided.

  Therefore, the present invention can easily carry out the attachment and detachment of the attachment and detachment member with respect to the drainage mass main body using the operation member, and provide the drainage mass which can connect the operation member at a different position from the attachment and detachment of the attachment and detachment member. Aimed.

  The drainage mass of the present invention provided to solve the problems described above comprises a tubular drainage mass main body, and a detachable member that can be attached and detached so as to communicate with a circumferential opening provided on the circumferential surface of the drainage mass main body And the mounting and demounting member has a mounting and demounting portion mounted on the periphery opening, and an operating member mounting portion on which an operation member used for mounting and demounting the mounting and demounting portion to the periphery opening is mounted. By inserting the operation member into the inside of the drainage mass main body from an end opening provided at the end of the drainage mass main body, the attaching and detaching work can be performed inside the drainage mass main body, and the operation member The mounting portion includes an operation mounting portion and a non-operation mounting portion, and the operation member can be replaced between the operation mounting portion and the non-operation mounting portion.

  The drainage mass of the present invention is formed into a cylindrical shape such as a cylindrical shape or a square cylinder shape by inserting the operation member from the end opening to the inside of the drainage mass main body and connecting the operation member to the operation mounting portion The mounting and demounting operation of the mounting and demounting member can be performed inside the drained mass main body. Therefore, the drainage mass according to the present invention can be attached to and detached from the drainage mass main body even if there is an obstacle to the attachment and detachment of the detachable member, for example, the height from the end opening to the peripheral opening is too high for the operator to reach The members can be easily attached and detached.

  Further, the drainage mass of the present invention is provided with a non-operation mounting portion separately from the operation mounting portion, and the operation member can be replaced from the operation mounting portion. Therefore, according to the drainage mass of the present invention, the operation member can be connected to the non-operation attachment portion provided at a position different from that at the attachment / detachment of the attachment / detachment member.

  In the drainage mass according to the present invention described above, by connecting the operation member to the operation mounting portion, interference between the operation range of the operation member required for attachment and detachment of the attachment / detachment member and other members is avoided. Is desirable.

  According to this configuration, by connecting the operation member to the operation mounting portion, the operation member can be operated without being interfered with other members such as the wall surface of the drainage mass main body and other members. Therefore, according to the present invention, mounting and demounting of the mounting and demounting member with respect to the drainage mass main body can be easily performed using the operation member.

  The above-described drainage mass according to the present invention is such that, by connecting the operation member to the non-operation attachment portion, the operation range of the operation member required for attachment and detachment of the attachment / detachment member interferes with other members. desirable.

  According to this configuration, it is possible to avoid that the attaching / detaching operation of the attaching / detaching member is performed while the operation member is connected to the non-operation attachment portion. Therefore, in the drainage mass of the present invention, the operating member must be intentionally changed from the non-operating mounting portion to the operating mounting portion when the mounting and demounting member is attached and detached. Therefore, according to the drainage mass of the present invention, it is possible to suppress a problem that the mounting member is unintentionally removed due to an erroneous operation or the like. Further, according to the drainage mass of the present invention, the operator can be motivated to change the operation member to the operation mounting portion at the time of attaching / detaching operation of the attaching / detaching member and perform work in an appropriate use state.

  Here, in general, when the attaching / detaching operation of the attaching / detaching member is performed inside the drainage mass, it is easier to work at the center side than at the end side of the end opening.

  The drainage mass according to the present invention provided based on such findings is characterized in that the operation mounting portion is present on the central side of the opening area of the end opening with respect to the non-operation mounting portion. It is

  According to this configuration, it is possible to further improve the work efficiency for the attachment and detachment of the attachment and detachment member.

  In the drainage mass according to the present invention described above, it is preferable that the operation member be disposed along the inner circumferential surface of the drainage mass main body by attaching the operation member to the non-operation mounting portion.

  According to this configuration, the operating member attached to the non-operation mounting portion is disposed in the vicinity of the inner circumferential surface of the drainage mass main body when the attaching / detaching member does not need to be attached / detached, and the end opening It is possible to prevent the operation member from disturbing the inspection of the inside of the drainage mass main body via the same.

  The above-described drainage mass of the present invention has a circular opening shape of the end opening, and the non-operation mounting portion is provided at a position adjacent to the inner circumferential surface of the drainage mass main body; It is desirable that the mounting portion be provided on the central side of the opening area of the end opening with respect to the non-operation mounting portion.

  According to this configuration, when it is not necessary to attach and detach the attaching and detaching member, the operating member attached to the non-operation attaching portion is disposed in the vicinity of the inner circumferential surface curved in a circular arc and does not disturb the inspection operation. Further, in the drainage mass of the present invention, the operation mounting portion is provided on the center side of the opening area of the end opening rather than the non-operation mounting portion, so a wide space is secured for the mounting and dismounting work of the mounting and dismounting member. it can. Therefore, according to the present invention, it is possible to provide a user-friendly drainage mass in both of the case of attaching and detaching the attaching and detaching member and the other case.

  In the drainage mass according to the present invention described above, the attaching and detaching operation involves a rotation operation within a predetermined rotation range around the axis of the circumferential opening, and the operation member is connected to the operation mounting portion Thus, the rotation operation is permitted in the entire range of the rotation range, and the rotation operation is limited in part or all of the rotation range by connecting the operation member to the non-operation mounting portion. It is desirable to have.

  According to this configuration, by connecting the operation member to the operation mounting portion, the attaching and detaching operation involving the rotation operation can be performed without being particularly limited. On the other hand, by connecting the operation member to the non-operation mounting portion, the attachment / detachment operation involving the rotation operation is limited. Therefore, according to the present invention, the detachable member can be easily attached to and detached from the drainage mass main body, and problems occur even if the detachable member is attached to the drainage mass main body with the operation member connected to the detachable member. Can provide no drainage mass.

  According to the present invention, the detachable member can be easily attached to and detached from the drainage mass main body, and drainage does not occur even if the detachable member is attached to the drainage mass main body with the operation member connected to the detachable member. We can provide mass.

It is a sectional view of a drainage mass concerning one embodiment of the present invention. It is sectional drawing which shows the state which attached the operation member to the attachment or detachment member. (A)-(c) is explanatory drawing for demonstrating the attachment or detachment method of the attachment or detachment member in the drainage mass of FIG. 1 along a procedure, respectively. (A)-(d) is explanatory drawing for demonstrating the attachment or detachment structure each employ | adopted in the drainage mass of FIG. 1 along the procedure of attachment or detachment. It is an explanatory view showing the relation between the operation range of a control member, and the drainage mass. (A) is a front view showing the operating member used for the drainage mass according to the first modification, (b) and (c) are operating ranges of the operating member for each mounting state of the operating member shown in (a) It is explanatory drawing which showed the relationship between and the drainage mass. It is an explanatory view concerning a drainage mass concerning the 2nd modification.

  Hereinafter, the drainage mass 10 according to an embodiment of the present invention will be described in detail with reference to the drawings. In the following description, the positional relationship such as top, bottom, left, and right will be described based on a state in which the drainage mass 10 is normally installed unless otherwise noted. As shown in FIG. 1, the drainage mass 10 includes a drainage mass main body 20, an attaching / detaching member 30, and an operation member 50.

  The drainage mass main body 20 is a substantially cylindrical member formed of synthetic resin, concrete or the like. The drainage mass main body 20 includes an inflow side connection port 22 and an outflow side connection port 24 provided on the circumferential surface, and an end opening 26 provided on the upper end side in the axial direction. A lid (not shown) is removably attached to the end opening 26.

  The height of the drainage mass main body 20, the opening diameter of the end opening 26, the opening shape, and the like can be appropriately selected according to the application and the installation place of the drainage mass 10. In the present embodiment, both the cross-sectional shape of the drainage mass main body 20 and the opening shape of the end opening 26 are substantially circular. In addition, the height of the drainage mass main body 20 from the end opening 26 to the inflow side connection port 22 and the outflow side connection port 24 is equal to or larger than the length of an adult arm that is a general body shape It is assumed.

  Specifically, while the average value of the upper limb length of adult men and women classified into young people is 70.5 cm (quoted from AIST human body size database 1991-92), the drainage mass main body 20 of this embodiment The height from the end opening 26 to the inflow side connection port 22 and the outflow side connection port 24 is in the range of 70 cm to 100 cm. Therefore, when the adult inserts the upper limb through the end opening 26, the drainage mass main body 20 is high enough to reach or slightly reach the inflow side connection port 22 or the outflow side connection port 24. It is supposed to be.

  The inflow side connection port 22 is an opening formed to penetrate the circumferential surface of the drainage mass main body 20. An inflow side connection portion 22 a is provided at the inflow side connection port 22. The inflow side connection part 22a is a part to which piping located on the upstream side with respect to the drainage mass 10 is connected in the drainage system in which the drainage mass 10 is installed. The inflow side connection portion 22 a is a cylindrical portion formed to protrude outward from the circumferential surface of the drainage mass main body 20. Specifically, the inflow side connection portion 22 a protrudes in a direction (direction substantially orthogonal to the axial direction) in the axial direction of the drainage mass main body 20.

  The inflow side connection portion 22 a communicates with the internal space of the drainage mass main body 20 via the inflow side connection port 22. Further, the inflow side connection portion 22 a is connected to the inflow side connection port 22 in a watertight manner. Therefore, the drainage mass 10 can introduce the drainage drained from the upstream side into the inside of the drainage mass 10 via the inflow side connection part 22a.

  In addition to the inflow side connection portion 22a described above, the inflow side connection port 22 is configured such that a detachable member 30, which will be described in detail later, is removable inside the drainage mass main body 20. In the present embodiment, as will be described in detail later, a structure for making the detachable member 30 detachable with respect to the inflow side connection port 22 by the so-called bayonet type detachable structure 40 is provided.

  The outflow side connection port 24 is configured substantially the same as the inflow side connection port 22. Specifically, the outflow side connection port 24 is an opening formed to penetrate the circumferential surface of the drainage mass main body 20. The outflow side connection 24 is provided with the outflow side connection 24.

  The outflow side connection portion 24 a is a portion to which a pipe located downstream of the drainage mass 10 is connected. The outflow side connection portion 24 a is a cylindrical portion protruding outward from the circumferential surface of the drainage mass main body 20. Specifically, the outflow side connection portion 24 a protrudes in a direction (direction substantially orthogonal in the present embodiment) intersecting with the axial direction of the drainage mass main body 20. The arrangement of the outflow side connection portion 24 a with respect to the inflow side connection portion 22 a described above can be appropriately selected in accordance with the application, the installation place, and the like of the drainage mass 10. In the present embodiment, the outflow side connection portion 24 a is provided on the radially opposite side of the drainage mass 10 with respect to the above-described inflow side connection portion 22 a (a position shifted by 180 degrees in the circumferential direction).

  The outflow side connection portion 24 a communicates with the internal space of the drainage mass main body 20 via the outflow side connection port 24. In addition, the outflow side connection portion 24 a is connected to the outflow side connection port 24 in a watertight manner. Therefore, the drainage mass 10 can discharge the drainage introduced into the drainage mass 10 via the inflow side connection port 22 to the downstream side via the inflow side connection portion 22a.

  The detachable member 30 is a member that can be detached from the inside of the drainage mass main body 20 with respect to the inflow side connection port 22 or the outflow side connection port 24 described above. In the drainage mass 10 of the present embodiment, the detachable member 30 is in communication with the inflow side connection port 22 by being attached to the inflow side connection port 22. Further, as the detachable member 30, one having a filter, one having an orifice, one having a backflow prevention function, and the like can be selected appropriately. In the present embodiment, as the detachable member 30, one having a backflow prevention function is employed. Specifically, as shown in FIG. 1 and FIG. 2, the mounting and demounting member 30 includes a mounting and demounting member main body 32, a mounting and demounting portion 34, a valve body 36, and an operation member mounting portion 38.

  The detachable member main body 32 is a substantially cylindrical portion that constitutes the main part of the detachable member 30. The detachable member main body 32 communicates with the detachable portion 34 at one end (base end), and the inlet 32a is opened at the other end (tip). In addition, as shown in FIG. 1, when the detachable member main body 32 is attached to the drainage mass 10 and viewed from the side, the end face (opening edge of the inlet 32 a) of the other end (tip end) is inclined obliquely downward. Is formed. Therefore, in the state where the detachable member 30 is attached to the drainage mass 10, the detachable member main body 32 is formed such that the introduction port 32a provided at the other end (the tip) opens obliquely downward.

  The detachable portion 34 is a cylindrical portion formed to communicate with the proximal end portion of the detachable member main body 32. The attaching / detaching portion 34 is insertable from the inside of the drainage mass main body 20 to the inflow side connection port 22 described above and can be connected. In the present embodiment, the detachable portion 34 is detachable from the inflow side connection port 22 by a bayonet-type detachable structure 40 described later.

  The valve body 36 is provided at the tip of the detachable member main body 32. The valve body 36 is pivotally supported so that the upper end portion is a tip end portion of the detachable member main body 32 and can freely swing at a position on the upper end side. The valve body 36 is in a substantially suspended state under the influence of gravity as shown in FIG. 1 and FIG. 3 in normal times. On the other hand, as described above, the introduction port 32a provided at the tip of the detachable member main body 32 is opened with the end face inclined obliquely downward. Therefore, in the normal state, the valve body 36 is separated from the introduction port 32a provided at the distal end portion of the detachable member main body 32, and the introduction port 32a is in an open state. Therefore, the valve body 36 has a function of permitting the flow of water flowing toward the inside of the drainage mass main body 20 through the inflow side connection port 22.

  On the other hand, when the drainage reverses to the drainage mass main body 20 via the outflow side connection portion 24 a or the like and the external force acts on the valve body 36 in the direction approaching the detachable member main body 32, the valve body 36 shakes. As a result, the inlet 32a is closed. Therefore, the valve body 36 has a function of blocking or suppressing the water flow backflowing from the drainage mass main body 20 to the outside of the drainage mass main body 20 via the inflow side connection port 22.

  The operation member mounting portion 38 is provided upright on the top surface side of the detachable member main body 32 described above. The operating member mounting portion 38 is a portion to which the operating member 50 used for mounting and demounting of the mounting and demounting member 30 is mounted. The operation member attachment portion 38 includes an operation attachment portion 38a and a non-operation attachment portion 38b, and the operation member 50 can be appropriately replaced between the two.

  Specifically, the operating member mounting portion 38 is formed by arranging two socket-like portions opened upward, one of which is the operating mounting portion 38a and the other is the non-operating mounting portion. It is said to be 38b. The operation mounting portion 38a is a portion to which the operation member 50 is mainly connected when the mounting and demounting member 30 is attached and detached mainly to the inflow side connection port 22 of the drainage mass main body 20 (hereinafter, also referred to as "detachment operation"). It is. The non-operation attachment portion 38b is a portion to which the operation member 50 is connected when the attachment / detachment operation is not required, such as after completion of the attachment / detachment operation.

  The operation mounting portion 38 a and the non-operation mounting portion 38 b are provided side by side in a direction in which the mounting and demounting member 30 is horizontally moved at the mounting and demounting operation. That is, the operation mounting portion 38 a and the non-operation mounting portion 38 b are arranged in the axial direction of the inflow side connection port 22 and the detachable member 30. In addition, the operation mounting portion 38 a is present on the center side of the end opening 26 than the non-operation mounting portion 38 b. In this embodiment, the axial center position of the drainage mass main body 20 or a region in the vicinity thereof is mounted by mounting the operation member 50 to the operation mounting portion 38a in a state where the detachable member 30 is attached to the inflow side connection port 22. The position of the operation mounting portion 38 a is defined so that the operation member 50 is erected in the (axial center region). Further, the non-operation mounting portion 38b is in the vicinity of the inner peripheral surface of the drainage mass main body 20 (preferably, the extent to which the user can grip the operation member 50, in a state where the detachable member 30 is attached to the inflow side connection port 22. The position is defined such that the operation member 50 is erected along the inner circumferential surface at a position away from the inner circumferential surface.

  Subsequently, the bayonet type attachment / detachment structure 40 described above will be described. In the present embodiment, the mounting and demounting structure 40 is employed to detachably connect the mounting and demounting member 30 to the inflow side connection port 22 of the drainage mass main body 20. The attachment / detachment structure 40 is configured by a combination of a guide groove 42 formed as shown in FIG. 3 and a convex portion 44 guided along the guide groove 42. A guide groove 42 is provided in one of the two members to be connected, and a protrusion 44 is provided in the other. For example, in the case where the inflow side connection port 22 and the detachable portion 34 of the detachable member 30 are connected as in the present embodiment, the guide groove 42 is formed in one of the inflow side connection port 22 and the detachable portion 34 The convex portion 44 is formed on the other side.

  The guide groove 42 has an introduction groove 42 a for receiving the convex portion 44 first when connecting the two members, and a circumferential groove 42 b extending in a direction intersecting with the introduction groove 42 a. When the inflow side connection port 22 and the detachable portion 34 are connected as in the present embodiment, the introduction groove 42 a is formed to extend in the insertion direction when the detachable portion 34 is inserted into the inflow side connection port 22. Ru. That is, the introduction groove 42 a is formed to extend in the axial direction of the inflow side connection port 22 and the attaching / detaching portion 34. The circumferential groove 42b is formed to communicate with the introduction groove 42a. The circumferential groove 42 b is formed to extend in the direction around the axis of the inflow side connection port 22 and the attaching / detaching portion 34.

  The convex portion 44 is insertable into the above-described introduction groove 42a, and is formed in a convex shape so as to be movable in the circumferential direction along the circumferential groove 42b.

  As described above, in the present embodiment, the guide groove 42 is formed in one of the inflow side connection port 22 and the attachment / detachment portion 34, and the convex portion 44 is formed in the other. For example, when providing the guide groove 42 in the inflow side connection port 22, and providing the convex part 44 in the attachment or detachment part 34, it provides as follows.

  The guide groove 42 is formed on the inner peripheral surface of the inflow side connection port 22. A portion of the guide groove 42 corresponding to the introduction groove 42 a is formed to extend in the axial direction of the inflow side connection port 22 starting from the end of the inflow side connection port 22 at the inner side of the drainage mass main body 20. . The circumferential groove 42 b is formed to extend in the circumferential direction of the inflow side connection port 22 from the end position of the introduction groove 42 a.

  On the other hand, the convex portion 44 is formed so as to protrude outward from the outer peripheral surface of the attaching / detaching portion 34. The position of the introduction groove 42a, the circumferential groove 42b, and the convex portion 44 forming the guide groove 42 is such that the projection 44 is inserted into the introduction groove 42a and moved along the circumferential groove 42b, and then the detachable portion 34 is attached in a desired posture. It is formed to be in the closed state. Specifically, the guide groove 42 or the projection is provided such that the inlet 32a provided in the detachable member 30 is opened obliquely downward and installed so that the valve 36 is separated from the inlet 32a in a normal state. The position of the part 44 is defined.

  The operation member 50 is an elongated member provided mainly for use in the attachment and detachment of the attachment / detachment member 30. As the operation member 50, a pipe-like or rod-like member is used. In the present embodiment, a pipe-like member is used as the operation member 50. The operating member 50 has a length that does not project upward beyond the end opening 26 in a state of being connected to the detachable member 30. Therefore, the drainage mass 10 has a lid (not shown) attached to the end opening 26 even when the operation member 50 is attached to the attachment / detachment member 30 other than when the attachment / detachment member 30 is attached or detached. Problems such as impossible can not occur.

  Subsequently, a method of attaching and detaching the attaching and detaching member 30 to and from the drainage mass main body 20 will be described. First, the case where the detachable member 30 attached in advance to the drainage mass main body 20 is removed will be described with reference to FIG.

  When detaching the detachable member 30, first, the operator inserts the upper limbs from the end opening 26 into the inside of the drainage mass main body 20, detaches the operation member 50 attached to the non-operation attachment portion 38b, and attaches the operation attachment portion Change to 38a (see Fig. 3 (a)). As a result, the operation member 50 is connected to the detachable member 30 while coming close to the axial center position of the end opening 26. With such a state, the mounting and demounting operation of the operation member 50 can be performed without restriction.

  Specifically, in the state where the operation member 50 is attached to the non-operation attachment portion 38b, the inner periphery of the drainage mass main body 20 associated with the attachment / detachment operation is compared with the state where the operation member 50 is attached to the operation attachment portion 38a. The problem of interference between the surface and the operation member 50 hardly occurs. That is, rather than mounting the operation member 50 on the non-operation mounting portion 38b, the direction in which the operation member 50 is mounted on the operation mounting portion 38a crosses the axial direction of the inflow side connection port 22 and the detachable member 30. A large space can be taken for operating the operation member 50 (in a direction substantially orthogonal to the above). Therefore, when removing the detachable member 30, the operation member 50 is changed from the non-operation mounting portion 38b to the operation mounting portion 38a.

  Thus, after the replacement of the operation member 50 is completed, the operation member 50 is rotated in the direction around the axis of the inflow side connection port 22 and the attachment / detachment member 30. Thereby, the convex part 44 (refer FIG. 4 (a)) of the attachment / detachment structure 40 which existed at the terminal position of the circumferential groove 42b initially moved along the circumferential groove 42b, and the introduction groove 42a was provided soon. The position is reached (see FIG. 4 (b)). When the operation member 50 is moved in the axial direction of the inflow side connection port 22 and the detachable member 30 in such a state, as shown in FIG. 4C, the convex portion 44 moves to the starting end side of the introduction groove 42a, As shown in FIG. 4 (d), the convex portion 44 comes out of the introduction groove 42a. As a result, as shown in FIG. 3 (b), the detachable portion 34 is pulled out from the inflow side connection port 22. In this state, when the operation member 50 is pulled up, as shown in FIG. 3C, the detachable member 30 is taken out through the end opening 26. After the detachable member 30 is taken out of the drainage mass main body 20, maintenance such as cleaning can be performed by appropriately removing the operation member 50 or the like.

  On the other hand, when attaching the detachable member 30 to the inflow side connection port 22, an operation opposite to that at the time of detachment is performed. Specifically, first, the operation member 50 is attached to the operation mounting portion 38a of the attachment / detachment member 30 (see FIG. 3C). The reason why the operation member 50 is attached to the operation attachment portion 38a instead of the non-operation attachment portion 38b is the space for rotating the operation member 50 for the attachment / detachment operation as described above. To ensure a large

  After attaching the operation member 50 to the operation attachment portion 38 a, the operator holds the operation member 50 and inserts the detachable member 30 into the drainage mass main body 20. Thereafter, the mounting / demounting portion 34 is made to face the inflow side connection port 22 while aligning the convex portion 44 forming the mounting and demounting structure 40 to the position of the introduction groove 42 a forming the guiding groove 42. Also, the detachable member 30 is moved in the axial direction of the inflow side connection port 22 and the detachable member 30 via the operation member 50. Thereby, the convex portion 44 is inserted into the guide groove 42. Along with this, the convex portion 44 changes from the state shown in FIG. 4 (d) to the state shown in FIG. 4 (c). After inserting the detachable member 30 until the convex portion 44 reaches the end of the guide groove 42 (see FIG. 4B), the detachable member 30 is rotated around the axis using the operation member 50. Thereby, the convex part 44 moves along the circumferential groove 42b. When the detachable member 30 is turned until the convex portion 44 reaches the end of the circumferential groove 42b, the state as shown in FIG. 4A is obtained, and the detachable member 30 is connected to the inflow side connection port 22 in a predetermined posture. It will be Thereafter, the operation member 50 mounted on the operation mounting portion 38a is removed and replaced with the non-operation mounting portion 38b, whereby the work of mounting the removable member 30 on the inflow side connection port 22 is completed.

  As described above, the drainage mass 10 exemplified in the present embodiment can perform the attaching / detaching operation of the detachable member 30 by inserting the long operation member 50 into the drainage mass main body 20. Therefore, the height of the drainage mass 10 from the end opening 26 to the inflow side connection port 22 is high, and the detachment operation is easy even under adverse conditions where there is an obstacle to the detachment operation such that the hand of the operator does not reach Can do it.

  Moreover, in the drainage mass 10 mentioned above, the mounting part 38b for non-operation is provided separately from the mounting part 38a for operation, and the operation member 50 can be changed suitably. As a result, when the end opening 26 is opened to inspect the inside of the drainage mass main body 20 or the like, the operation member 50 can be prevented from getting in the way.

  In the drainage mass 10 described above, when the operation member 50 is connected to the operation mounting portion 38a, the drainage mass main body 20 is in the operation range (corresponding to the area X of FIG. 5) of the operation member 50 required for attaching and detaching the detachable member 30. The other members and the operation member 50 do not interfere with each other. Specifically, in the drainage mass 10, it is necessary to perform a rotation operation within a predetermined rotation range at the time of the attachment / detachment operation, but by connecting the operation member 50 to the operation mounting portion 38a, the rotation in the entire rotation range Operation is allowed. Therefore, the drainage mass 10 can perform the attachment / detachment operation of the attachment / detachment member 30 easily and smoothly.

  In the present embodiment, the drainage mass main body 20 is assumed as a member that may interfere with the attachment / detachment operation of the attachment / detachment member 30, and an example is shown in which the arrangement of the operation attachment portion 38a is optimized. It is not limited to this. Specifically, if there is another member that may interfere with the operation range of the operation member 50 during the attachment / detachment operation separately from the drainage mass main body 20, the arrangement of the operation mounting portion 38a in consideration of the presence of the other members It is desirable that

  Moreover, although the thing accompanied by rotation operation at the time of attachment or detachment was illustrated as an attachment or detachment member 30 in this embodiment, this invention is not limited to this. Specifically, the mounting and demounting member 30 may be capable of mounting and demounting operations only by inserting and removing the mounting and demounting portion 34 to the inflow side connection port 22, for example.

  Further, unlike the arrangement of the operation mounting portion 38a described above, the non-operation mounting portion 38b operates in a working range of the operation member 50 associated with the mounting and demounting operation of the mounting and demounting member 30 in the state where the operation member 50 is connected. The arrangement of the non-operation mounting portion 38b is defined such that the region X corresponds to the region X) and other members such as the drainage mass main body 20 interfere with each other. Specifically, in the drainage mass 10, it is necessary to perform a rotation operation within a predetermined rotation range at the time of the attachment / detachment operation, but by connecting the operation member 50 to the non-operation mounting portion 38b, a part of the rotation range Or the rotation operation is permitted in the whole area. Therefore, at the time of the attachment / detachment operation of the attachment / detachment member 30, it is necessary to intentionally change the operation member from the non-operation attachment portion to the operation attachment portion. Therefore, in the drainage mass 10, it is possible to suppress the occurrence of unexpected problems such as the attachment member being removed unintentionally due to an erroneous operation or the like.

  Further, in the drainage mass 10 of the present embodiment, the operation mounting portion 38 a is provided on the center side of the opening area of the end opening 26 with respect to the non-operation mounting portion 38 b. Therefore, the drainage mass 10 can perform attachment / detachment operation using the large area | region which exists in the center side of the edge part opening 26, and can further improve the working efficiency of attachment / detachment operation.

  Further, in the drainage mass 10 of the present embodiment, the operation member 50 is disposed along the inner peripheral surface of the drainage mass main body 20 by attaching the operation member 50 to the non-operation mounting portion 38 b. Further, since the opening shape of the end opening 26 is circular, the operation member 50 is disposed in the vicinity of the curved inner circumferential surface of the drainage mass main body 20 by mounting the operation member 50 on the non-operation attachment portion 38b, A large space is secured in the center. Thereby, when the end opening 26 is opened and the inside of the drainage mass main body 20 is visually recognized, etc. for inspection work etc. where it is not necessary to attach or detach the detachable member 30, the operation member 50 can be prevented from being disturbed. .

  In the present embodiment, an example is shown in which the operation member 50 can be arranged along the inner peripheral surface when there is no need to attach or detach the detachable member 30, but the present invention is not limited to this. If there is another place where the operation member 50 can be arranged without causing any trouble in inspection or the like, it may be arranged in that place. Moreover, in this embodiment, although the thing that the drainage mass main body 20 has circular opening shape was illustrated, this invention is not limited to this, You may have polygonal opening shape .

  In the present embodiment, an example in which the detachable member 30 is attached to and detached from the inflow side connection port 22 is shown, but the present invention is not limited to this, and the detachable member 30 is attached to and detached from the outflow side connection port 24 Also good.

  The drainage mass 10 of the present embodiment is of a type in which the detachable mass 30 is mounted on the drainage mass main body 20, but the present invention is not limited to this. Specifically, for example, the bottom of the drainage mass main body 20 is provided with a separate basket for storing mud, etc., or the bottom of the drainage mass main body 20 is provided with slits or holes, etc. Also by providing the same configuration as the above-described drainage mass 10, the same effect can be expected.

  In the present embodiment, the drainage mass main body 20 adopts a cylindrical shape and the operation member 50 exemplifies the drainage mass 10 employing a pipe-like or rod-like member, but the present invention is not limited to this. Absent. That is, according to the present invention, the shapes and the like of the drainage mass main body 20 and the operation member 50 are not limited to those described above, and can be appropriately changed.

  Specifically, for example, as shown in FIG. 6A, the operation member 50 may be an appropriate member such as a substantially T-shaped member or a substantially L-shaped member having a standing portion 50a and a projecting portion 50b. It can be Further, the drainage mass main body 20 is not limited to a cylindrical shape, and may have a polygonal shape such as a rectangular cylindrical shape as shown in FIGS. 6 (b) and 6 (c) and an opening shape or a sectional shape.

  Here, when the operation member 50 shown in FIG. 6 (a) and the drainage mass main body 20 as shown in FIGS. 6 (b) and 6 (c) are combined, depending on the mounting posture of the operation member 50, the detachable member There is a possibility that trouble may occur in the removal operation of 30. Specifically, the operation member 50 is configured such that the overhanging portion 50b protrudes toward the direction in which the operation member 50 moves (the direction intersecting the axial direction of the inflow side connection port 22 and the attachment / detachment member 30) along with the rotation operation. When the mounting / dismounting member 30 is attached or detached, there is a concern that the overhang 50b may interfere with the inner wall surface of the drainage mass main body 20 (see FIG. 6B).

  Further, when the operation member 50 and the drainage mass main body 20 shown in FIG. 6 are combined, the operation member 50 can not be attached well to the non-operation attachment portion 38b depending on the posture of the operation member 50. There is also a concern that the outlet 50b may be a hindrance to inspections and the like. Specifically, when the overhanging portion 50b is oriented in the direction along the axial direction of the inflow side connection port 22 and the detachable member 30, the distance between the non-operation mounting portion 38b and the inner wall surface of the drainage mass main body 20 If the length is narrow, the overhang 50b interferes with the inner wall surface. Further, even if the operating member 50 is attached to the non-operation mounting portion 38b in a posture in which the overhanging portion 50b is directed in the direction along the axial direction of the inflow side connection port 22 etc., the inner wall surface side of the drainage mass main body 20 There is a concern that the overhang 50b protruding from the center toward the center side may be a hindrance to inspection and the like.

  Therefore, when the operation member 50 and the drainage mass main body 20 are configured as shown in FIG. 6, as shown in FIG. 6C, the drainage mass 10 mounts the operation member 50 on the operation mounting portion 38a. It is desirable that the inflow side connection port 22 or the like can not be attached unless it is oriented in a direction along the axial direction. In addition, it is desirable that the drainage mass 10 be configured not to be attached unless the posture is such that it crosses the axial direction of the inflow side connection port 22 and the like when the operation member 50 is attached to the non-operation attachment portion 38b.

  Further, as shown in FIG. 7, the drainage mass 10 has a square tubular shape or the like as the drainage mass main body 20, and openings such as the inflow side connection port 22 and the outflow side connection port 24 to which the detachable member 30 is attached In the present embodiment, the inflow side connection port 22) may be disposed so as to be unevenly distributed at a position close to the inner wall surface of the drainage mass main body 20. Here, when the drainage mass 10 is configured as shown in FIG. 7, the operation member 50 is disposed at a position close to the corner of the drainage mass main body 20 so that the operation member 50 does not get in the way during inspections and the like. Is preferred. On the other hand, in consideration of the attachment / detachment work of the attachment / detachment member 30, for example, the operation member 50 and the drainage mass main body in the operation area X of the operation member 50 are left There is a possibility of interference with 20. Therefore, it is desirable that the drainage mass 10 be capable of changing the mounting position of the operation member 50 in consideration of the operation area X when the mounting and demounting operation of the mounting and demounting member 30 is performed.

  Taking these points into consideration, the drainage mass 10 has, for example, the operating member attachment portion 38 shaped as shown in FIG. 7, and the non-operation attachment portion 38 b is in the corner of the drainage mass main body 20 in a state where the detachable member 30 is attached. It is desirable that the configuration be such as to arrive at a close position. In the drainage mass 10, the operating member mounting portion 38 is located on the inner wall surface of the drainage mass main body 20 at a position where interference is concerned so that the operation member 50 and the drainage mass main body 20 do not interfere in the operation area X. It is desirable that the operation mounting portion 38a be disposed at a remote position.

  As described above, the drainage mass 10 reduces the operation area X (for example, corresponds to the case of FIG. 6) or moves (for example, FIG. 7) by replacing the operation member 50 from the non-operation mounting portion 38b to the operation mounting portion 38a. By making the configuration possible (corresponding to the case of (1)), the attachment / detachment operability of the detachable member 30 can be improved. Further, by replacing the operation member 50 from the operation mounting portion 38a to the non-operation mounting portion 38b, the operation member 50 can be moved to a position where it does not interfere with inspection, etc. The operation member 50 can be arranged at an appropriate position also when not performing.

  The present invention is not limited to the above-described first embodiment and the embodiment illustrated as the second embodiment, and as a modification of each embodiment, and does not depart from the scope of the claims. Those skilled in the art will readily understand that there may be other embodiments from the teachings and spirit of the invention.

  The present invention is suitably applicable to any type of drainage mass such as rainwater mass and sewage mass.

10: drainage mass 20: drainage mass main body 22: inlet side connection port 26: end opening 30: detachable member 34: detachable portion 38: operating member mounting portion 38a: operating mounting portion 38b: non-operating mounting portion 50: operation Element

Claims (7)

With a tubular drainage mass body,
And a removable member which is detachably connected to a circumferential opening provided on the circumferential surface of the drainage mass main body,
The detachable member is
An attaching / detaching portion that is attached to / detached from the circumferential opening;
And an operating member mounting portion on which an operating member used for mounting and demounting operation of the mounting and demounting portion with respect to the circumferential opening is mounted;
By inserting the operation member into the inside of the drainage mass main body from an end opening provided at the end of the drainage mass main body, the attaching and detaching operation can be performed inside the drainage mass main body,
The operation member attachment portion has an operation attachment portion and a non-operation attachment portion, and the operation member can be replaced between the operation attachment portion and the non-operation attachment portion. Drainage mass characterized by   By connecting the operation member to the operation mounting portion, interference between the operation range of the operation member required for attachment and detachment of the attachment / detachment member and the other members is avoided. trout.   The drainage according to claim 1 or 2, wherein the operation range of the operation member required for attachment or detachment of the attachment / detachment member interferes with the other members by connecting the operation member to the non-operation attachment portion. trout.   The drainage mass according to any one of claims 1 to 3, wherein the operation mounting portion is present on the center side of the opening area of the end opening with respect to the non-operation mounting portion.   5. The operation member is disposed along the inner peripheral surface of the drainage mass main body by attaching the operation member to the non-operation attachment portion, The operation member according to any one of claims 1 to 4 Drainage mass. The opening shape of the end opening is circular,
The non-operation mounting portion is provided at a position adjacent to the inner circumferential surface of the drainage mass main body,
The drainage mass according to any one of claims 1 to 5, wherein the operation mounting portion is provided on the central side of the opening area of the end opening with respect to the non-operation mounting portion. The attaching and detaching operation involves a rotation operation within a predetermined rotation range around the axis of the circumferential opening,
By connecting the operation member to the operation mounting portion, the rotation operation is permitted in the entire range of the rotation range,
The drainage mass according to any one of claims 1 to 6, wherein the rotation operation is limited in part or all of the rotation range by connecting the operation member to the non-operation mounting portion. .

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