JP2013130045A - Joint member mounting structure at drain outlet of tank made of thin plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint member mounting structure capable of directly mounting a drain pipe joint member without causing level difference when mounting the drain pipe joint member to a drain outlet at a bottom surface of a tank made of thin plate.SOLUTION: A joint member mounting structure comprises: a cylindrical mounting member 3 provided with a drain outlet edge part 20 having an outer peripheral recessed groove 22 by folding back an edge part to form an outwardly directed collar part 21 at a drain outlet of a tank 1, provided with an inwardly directed flange 30 fitted in the outer peripheral recessed groove 22 of the drain outlet edge part 20 in an end part, and engraved with a female screw 33 therein; and a joint member 4 engraved with a male screw 41 engaged into the female screw 33 of the mounting member 3 on an outer periphery and having a packing for securing the water-tightness of the collar part 21 on an upper end face. The inwardly directed flange 30 of the mounting member 4 is partly cut off and divided to form a fitting piece 32, and a fixing member 5 is provided which is fitted to the outer periphery of the mounting member 3 and the fitting piece 32 for preventing an inwardly directed flange 31 remained by cutting off and dividing the fitting piece 32 fitted to the outer peripheral recessed groove 22 of the drain outlet edge part 20 and the fitting piece 32 from coming off.

Description

  The present invention relates to an attachment structure for attaching a joint member at a drain outlet of a thin plate tank body such as a wash basin, a sink, and a hand-washer.

In the conventional attachment structure of the joint member at the drain outlet of the thin plate tank body such as a wash basin, a sink, and a hand-washer, a step surface is formed on the bottom surface, and the drain port is opened on the step surface. A joint member having a flange portion to be joined is fitted from above the drain port and fixed by screwing a lock nut (fixing member).
However, forming a stepped surface on the bottom surface of the thin plate tank body is not preferable in terms of hygiene because dirt or the like adheres to the gap between the stepped surface and the flange portion of the joint member, which is troubled by cleaning.

  Therefore, in order to solve these points, the stepped surface formed on the bottom surface of the thin plate tank body is eliminated, the drainage side wall that hangs downward from the drainage port is formed, and the lower end portion projects outward. There was a fitting structure for the joint member in the drainage port of the thin plate tank body in which the collar portion to be provided was provided and the flange portion and the flange portion at the upper end portion of the joint member were detachably fixed by fixing means such as a clamp band. (Patent Document 1).

  In addition, a drain outlet side wall that hangs downward from the drain outlet is formed, and a flange that protrudes outward is provided at the lower end of the drain, and a male screw is provided between the flange and the bottom side of the bottom of the tank body. The mounting member is divided into two, and the male screw of the mounting member and the female screw of the lock nut (fixing member) are screwed together, so that the flange portion at the lower end portion of the drainage side wall and the outer direction of the upper end portion of the joint member There is a fitting structure for a joint member in a drainage port of a thin plate tank body that is sandwiched between a flange portion projecting toward the water and connected in a watertight manner (Patent Document 2).

  JP2009-203667A   JP2007-255028

The joint member mounting structure at the drainage port of the thin plate tank body of the above-mentioned patent document is directed downward from the drainage port although it is desired to directly attach the joint member to the drainage port of the thin plate tank body. Mounting with a drain outlet side wall hanging down, a connection in which the flange at the lower end of the drain outlet side wall and the flange at the upper end of the joint member are clamped, and the joint member is directly attached to the drain outlet Not.
Fixing the flange protruding from the lower end of the drain outlet side wall hanging from the drain outlet and the flange at the upper end of the joint member with a fixing means such as a clamp band is fixed by distortion of the flange and the flange. It is difficult, it is difficult to adhere, and the water tightness is also difficult.
And the coupling member latched by this lock nut by the screwing of the attachment member provided between the collar part of the drain outlet side wall lower end part and the bottom face back side of a tank body, and a lock nut (fixing member) is carried out. In the pushed-up connection, the screwing of the attachment member does not directly push up the joint member, that is, the attachment member indirectly pushes up the joint member. The height of the drain outlet side wall necessary for screwing the lock nut (fixing member) had to be secured. And the rotation of the lock nut (fixing member) by screwing with the mounting member of the lock nut (fixing member) turns around the joint member, which is inconvenient.
In addition, the fact that the two-part mounting member having the male screw is provided between the flange at the lower end of the drain outlet side wall and the bottom side of the tank body means that the two split mounting members are combined with each other. It was difficult to accurately match the male screw.
Therefore, such a mounting structure is contrary to downsizing and does not look good, and it is difficult to deep-draw to provide a drain outlet side wall that hangs down on the drain outlet of the thin plate tank body. Even if the drainage side wall is molded and joined, there are problems such as difficulty in accurately attaching the joint.

  In the drainage port of the thin plate tank body according to the present invention, the end edge portion is bent back to form an outward flange portion, and the attachment member having the female screw hooked on this is turned. A joint member having a male screw that is screwed to this is pulled up and joined to the flange portion of the drain port, and the joint member is attached to the drain port that is a direct pull-up of the joint member by screwing of the mounting member The structure is to be obtained.

  The joint member mounting structure in the drainage port of the thin plate tank body according to the present invention is such that the edge part of the drainage port of the thin plate tank body is bent back to form an outward flange part, and the outer periphery is formed by the flange part. A tubular body mounting member provided with a drainage port edge provided with a concave groove, provided with an inward flange to be attached to the outer peripheral concave groove of the drainage port edge, and having an internal thread engraved on the inner periphery And a joint member engraved on the outer periphery with a male screw threadedly engaged with the female screw of the attachment member, and the joint member is moved up and down by turning the attachment member, and the upper end surface of the joint member However, it is in watertight contact with the flange of the drain port edge.

  The joint member mounting structure in the drainage port of the thin plate tank body according to the present invention is such that the edge part of the drainage port of the thin plate tank body is bent back to form an outward flange part, and the outer periphery is formed by the flange part. A tubular body mounting member provided with a drainage port edge provided with a concave groove, provided with an inward flange to be attached to the outer peripheral concave groove of the drainage port edge, and having an internal thread engraved on the inner periphery A male screw that is screwed into the female screw of the mounting member on the outer periphery, and a joint member that is provided with a packing that provides water tightness with the flange portion on the upper end surface. Directional flanges are partly cut and divided into mounting pieces, and the mounting flanges attached to the outer peripheral concave groove of the drainage port edge are cut and divided. Thus, a fixing member fitted to the outer periphery of the mounting member and the mounting piece is provided.

  The joint member mounting structure in the drainage port of the thin plate tank body of the present invention is formed on the outer peripheral surface of the upper end of the mark where the mounting piece of the inward flange of the mounting member to be mounted in the outer circumferential groove of the drainage port edge is cut and divided. A fitting projection is formed and fitted into a fitting groove formed on the inner peripheral surface of the lower end of the mounting piece.

  The joint member mounting structure at the drain outlet of the thin plate tank body of the present invention has at least one mounting piece divided by notching a part of the inward flange of the mounting member to be mounted in the outer peripheral concave groove of the drain port edge. Except for, it is hinged.

  In the joint member mounting structure at the drain outlet of the thin plate tank body of the present invention, protrusions are arranged at intervals on the outer periphery of the mounting member, and the engaging grooves that engage with the protrusions are formed in the fixing member. It is engraved on the circumference and is fitted and fitted to the mounting member so that the rotation of the fixing member does not run idle.

  The joint member mounting structure at the drain outlet of the thin plate tank body of the present invention is formed with an outward claw at the lower end of the mounting member and locked to the inward flange at the lower end of the fitted fixing member. The joint member in which the direction claw portion is screwed to the attachment member prevents the back surface from being bent and prevents the outward claw portion from being released.

  The joint member mounting structure in the drainage port of the thin plate tank body of the present invention is formed on the upper end surface of the joint member with an inclined end surface stepped portion that leaves the inner peripheral protrusion, and an outer peripheral end surface recess formed by a retaining groove, The outer peripheral end surface recess is filled with packing to prevent the packing from coming off.

The joint member mounting structure in the drainage port of the thin plate tank body of the present invention is a mounting structure in which the joint member is directly joined to the drainage port edge portion formed of an outward flange formed by bending the end edge portion of the drainage port. The mounting structure is such that the joint member is closest to the bottom surface of the tank body and is compact.
An end portion is provided with an inward flange to be fitted in the outer peripheral concave groove of the drain port edge, and a male screw that is screwed into the female screw of the mounting member is provided with a female screw engraved on the inner circumference. The mounting structure composed of the joint member engraved on the outer periphery raises and lowers the joint member by turning the mounting member, and the joint member is not rotated together. It is possible to make contact with the portion so that water can be reliably stopped.

The joint member mounting structure at the drain outlet of the thin plate tank body according to the present invention has a notch formed when mounting the inward flange of the mounting member into the outer circumferential groove in the narrow range of the drain port edge. Since it is only divided, it is easy and easy to adjust the position of the mounting member, and since the mounting piece is only part of the inward flange, it is not difficult to return the mounting member to its original form position. it can.
In addition, since the female screw portion engraved on the mounting member is integrally formed without being divided, the mounting member itself has strength, dimensional accuracy is stable, and sufficient screwing with the joint member is also possible. Mounting strength is obtained.
Then, the joint member having a male screw on the outer periphery that is screwed to the female screw of the fitting member fitted by turning the fixing member is pulled up without being rotated together, and the joint member having the packing is connected to the drain port Since it is brought into contact with the flange portion of the portion, it can be joined in a watertight manner without twisting the packing, and further, since the tip of the flange portion is made watertight by the packing, it can be prevented from being corroded.
In particular, when the thin plate tank is a squirt tub, the glaze is difficult to stick to the tip of the buttock, is easily corroded by drainage or detergent, and may cause cracks. The sealed packing provides complete water tightness without being twisted, thereby eliminating the concern.
From the above, it is an effective joint member mounting structure that is simple and can be easily mounted.

  It is possible to form a fitting projection on the outer peripheral surface of the upper end of the mark where the mounting piece of the inward flange of the mounting member is cut and divided, and to fit into a fitting groove formed on the inner peripheral surface of the lower end of the mounting piece. Alignment adjustment can be performed accurately and easily, and the operation can be simplified.

  A mounting piece obtained by notching and dividing a part of the inward flange of the mounting member is hinge-coupled except for at least one point. This means that when this mounting piece is mounted in the outer peripheral groove of the drain outlet edge, What is connected is exactly the position where it is positioned, and the position of the free end that is not hinged can be adjusted based on this position, and the operation can be performed quickly and easily.

  A fixing member is provided on the outer periphery of the mounting member, and a fixing member having an engagement groove to be engaged with it is mounted and fitted, so that a fixing member that does not rotate is created, and the fixing member is rotated freely. The attachment member can be easily and easily attached by the attachment member that is not.

  By forming an outward claw portion at the lower end portion of the mounting member, it is locked to the inward flange portion at the lower end of the fitted fixing member, and the back surface is provided by a joint member in which the outward claw portion is screwed to the mounting member. It is possible to prevent the outward claw part from being released.

  By forming the outer peripheral end face recessed part with the inner peripheral protrusion at the upper end of the joint member and loading the packing, the inner peripheral protrusion prevents the packing from being twisted and prevents the packing from slipping off, facilitating water tightness. It can be secured.

  It is an exploded view of the joint member attachment structure in the drain outlet of a thin plate tank body.   It is a perspective view of the attachment member by which the attachment piece of the joint member attachment structure in the drain outlet of a thin-plate tank body was notched and separated.   It is a longitudinal section of a joint member mounting structure at a drain outlet of a thin plate tank body.   It is the elements on larger scale of a joint member attachment structure.

As shown in FIGS. 1, 3 and 4, the joint member mounting structure at the drainage port of the thin plate tank body of the present invention is bent back at the edge of the drainage port 2 on the bottom surface of the thin plate tank body 1. Thus, an outward flange 21 is formed, and the drainage edge 20 provided with the outer circumferential groove 22 is provided by the flange.
In the cylindrical mounting member 3 having an inward flange 30 at the end and an internal thread 33 engraved on the inner periphery, the inward flange 30 is mounted in the outer circumferential groove 22 of the drain port edge 20. .
The joint member 4 having the male screw 41 on the outer periphery and the packing 6 on the upper end surface is engaged with the female screw 33 of the mounting member 3 and the joint member 4 is rotated by turning the mounting member 3. Raise and lower. Then, the upper end surface of the joint member is brought into contact with the flange portion 21 of the drain port edge 20 without the joint member 4 being rotated together.

A part of the inward flange 30 of the attachment member 3 is notched and divided into attachment pieces 32, and the remaining inward flange 31 and the attachment pieces 32 obtained by notching and dividing the attachment pieces are recessed in the outer periphery of the drain port edge 20. The fixing member 5 is fitted to the outer periphery of the mounting member 3 so as not to be attached to the groove 22 and removed.
In the joint member 4, the release wire end 71 is operated by remote operation with the release wire 7 to open and close the drain plug 8, and the release wire end 71 for opening and closing the drain plug 8 is provided with the support member 9. And a hair catcher 10 between the support member and the drain plug 8.

A fitting projection 34 is formed on the outer peripheral surface of the upper end of the trace where the mounting piece 32 of the inward flange 30 of the mounting member 2 mounted in the outer peripheral groove 22 of the drain port edge 20 is cut and divided, and the mounting piece 32 is formed. A fitting groove 35 is formed on the inner peripheral surface of the lower end of each of the two, and they are fitted to each other so that alignment adjustment can be performed accurately and easily.
In addition, since the female screw 33 portion engraved on the attachment member 2 is integrally formed without being divided, the attachment member 2 itself has strength, has a stable dimensional accuracy, and is screwed into the joint member. Sufficient mounting strength can be obtained.

By attaching the cut-out divided mounting piece 32 to be attached to the outer circumferential concave groove 22 of the drain port edge 20 to the hinge connection 36 except at least one place, the free end that must be positioned is one place, Position adjustment can be performed quickly and easily.
FIG. 2 shows a state in which the mounting piece 32 is completely cut and divided and separated.

  On the outer periphery of the mounting member 3, protrusions 37 are arranged at intervals, and an engagement groove 51 that engages with the protrusions is engraved on the inner periphery of the fixing member 5 to rotate the fixing member 5. The mounting member 3 is fitted and fitted so as not to idle.

  An outward claw portion 38 is formed at the lower end portion of the mounting member 3, and is engaged with the lower end inward flange portion 52 of the fitted fixing member 5. The joint member 4 is screwed to the mounting member 3, and the joint member When 4 is brought into contact with the flange portion 21 of the drainage port edge portion 20, the outward claw portion 38 cannot bend toward the back surface and cannot be released.

  The packing 6 is loaded on the upper end portion of the joint member 4 in the inclined end surface stepped portion 43 that leaves the inner peripheral protrusion 42 and the outer peripheral end surface recess 45 formed by the retaining groove 44. The packing 6 is prevented from coming off without twisting.

DESCRIPTION OF SYMBOLS 1 Thin plate-made tank body 10 Hair catcher 2 Drainage port 20 Drainage port edge 21 Gutter part 22 Outer peripheral groove 3 Mounting member 30 Inward flange 31 Remaining inward flange 32 by dividing the mounting piece and mounting piece 33 Female screw 34 Fitting protrusion 35 Fitting groove 36 Hinge coupling 37 Protruding strip 38 Outward claw part 4 Joint member 41 Male screw 42 Inner peripheral edge protrusion 43 Slope end surface step part 44 Detachment groove 45 Outer peripheral end surface recess part 5 Fixing member 51 Engaging groove 52 Inward flange part 6 Packing 7 Release wire 71 Release wire end part 8 Drain plug 9 Support member

Claims (7)

  The edge of the thin plate tank body is bent back to form an outward flange, and the flange is provided with an outer peripheral edge provided with an outer circumferential groove. An inward flange to be mounted in the outer peripheral concave groove of the part is provided at the end, and a cylindrical body mounting member in which a female screw is engraved on the inner periphery, and a male screw that is screwed into the female screw of the mounting member And the joint member is turned up and down to raise and lower the joint member, and the upper end surface of the joint member is brought into watertight contact with the flange portion of the drainage port edge portion. A joint member mounting structure in a drainage port of a thin plate tank body characterized by the above.   The edge of the thin plate tank body is bent back to form an outward flange, and the flange is provided with an outer peripheral edge provided with an outer circumferential groove. An inward flange to be mounted in the outer peripheral concave groove of the part is provided at the end, and a cylindrical body mounting member in which a female screw is engraved on the inner periphery, and a male screw that is screwed into the female screw of the mounting member And a joint member provided on the upper end surface with a gasket for watertight with the flange portion, and the inward flange of the mounting member is partly cut out into a mounting piece, An inward flange of the remaining mounting member obtained by notching and dividing the mounting piece mounted in the outer peripheral groove of the edge, and a fixing member fitted to the outer periphery of the mounting member and the mounting piece so that the mounting piece does not come off. A joint member mounting structure in a drain of a thin plate tank body, characterized in that it is provided.   A fitting projection is formed on the outer peripheral surface of the upper end of the mark where the mounting piece of the inward flange of the mounting member to be mounted in the outer peripheral groove of the drain port edge is cut and divided, and is formed on the inner peripheral surface of the lower end of the mounting piece The joint member mounting structure at the drain outlet of the thin plate tank body according to claim 2, wherein the fitting member is fitted into the fitted groove.   3. An attachment piece obtained by cutting out and dividing a part of an inward flange of an attachment member to be attached to an outer peripheral groove at a drain port edge portion is hinge-coupled except for at least one portion. The joint member attachment structure in the drain port of the thin-plate tank body of any one of 3.   Protrusions are arranged on the outer periphery of the mounting member at intervals, and an engagement groove that engages the protrusions is engraved on the inner periphery of the fixing member so that the fixing member does not rotate freely. The joint member mounting structure at the drainage port of the thin plate tank body according to any one of claims 2 to 4, wherein the fitting member is mounted and fitted to the member.   An outward claw portion is formed at the lower end portion of the mounting member, locked to the inward flange portion at the lower end of the fitted fixing member, and the outward claw portion is attached to the back surface by a joint member that is screwed to the mounting member. The joint member mounting structure in the drainage port of the thin plate tank body according to any one of claims 2 to 5, wherein the bending is prevented and the locking of the outward claws is not released.   Formed on the upper end surface of the joint member is an inclined end surface stepped portion that leaves the inner peripheral protrusion, and an outer peripheral end surface recess portion consisting of a retaining groove, and a packing is loaded in the outer peripheral end surface recess portion to prevent the slippage of the packing. The joint member mounting structure in the drain outlet of the thin plate tank body according to any one of claims 2 to 6,

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