JPH069094Y2 - Drainage device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of a drainage attachment device capable of easily and reliably attaching and detaching a drainer (including a trap) to a sink such as a sink or a wash basin. .

(Prior art) Conventionally, in order to attach a drainage to a sink such as a sink or a washbasin, in most cases, for convenience of attachment / detachment, the drain is attached to the lower side of the flange provided on the outer peripheral side of the upper part of the drainage body. Located on the peripheral surface of the main body, and the male body is inserted into the attachment hole opened in the sink, the lower surface of the flange of the main body is brought into contact with the peripheral edge of the attachment hole, and A ring-shaped nut member provided with a female screw portion is inserted from below the main body, and the female screw portion is screwed and tightened with the male screw portion of the main body, so that the lower surface of the flange and the upper surface of the nut member have mounting holes. Means have been adopted to attach the drain to the sink by tightening the peripheral edge of the.

(Problems to be Solved by the Invention) In the case of the conventional drainer attaching device configured as described above, the sink is formed only by means of screwing the female screw portion of the nut member to the male screw portion provided on the main body. Since it seems that it is extremely easy and easy to install at first glance, it is generally easy to install the drainage device in a narrow place, and from the top and bottom of it with a sink interposed. Since it is performed, it is unexpectedly difficult to accurately screw the male screw and the female screw, and a screwing error is likely to occur, and the nut member is easily removed when rotating the mounting member at the beginning of screwing. There are often problems. The present invention was developed in order to solve the above-mentioned problems, and it is possible to securely and easily attach the drain member to the main body of the drainage device by screwing the nut member. Therefore, the drainage device is surely and easily installed. It is an object of the present invention to provide a drainage attachment device that can be attached to a sink.

(Means for Solving the Problems) As means for achieving the above object, in the present invention,
With a flange on the outer peripheral side of the upper edge, a drainer body located on the lower side of the flange and having a male screw portion on the outer peripheral surface,
A female for attaching the drainage body to the attaching hole by sandwiching the peripheral edge of the attaching hole opened in a sink such as a sink with the male screw portion of the main body and the lower surface of the flange. In a drainage attachment device consisting of a ring-shaped nut member having a screw portion on the inner peripheral surface, the drainage device is positioned below the male screw portion of the main body of the drainer and has a curved surface vertically on the outer peripheral surface of the main body. In addition to providing the recessed portion, vertical grooves are provided at a plurality of locations on the lower step portion formed by the recessed portion, and the vertical groove is provided on the inner peripheral surface of the nut member located below the female screw portion of the nut member. The attachment device of the drain was constructed by installing a plurality of protrusions to be inserted into the vertical grooves on the main body side corresponding to the positions of the vertical grooves.

(Operation) The drainage body of the drainage attachment device configured as described above is inserted into, for example, an attachment hole formed in a sink of a sink, and the lower surface of the flange contacts the peripheral edge of the attachment hole. Then, as shown in (a) of FIG. 4 and FIG. 5, a ring-shaped nut member is fitted and inserted from the lower part of the drainage body, and the projections projecting on the nut member are stepped on the drainage body. When the nut member is pulled up while facing the vertical grooves provided in the, the protrusions of the nut member pass through the vertical grooves of the drainer body and are located above the stepped portion of the body. Therefore, when the nut member is slightly rotated to displace the position of each protrusion from the position of each vertical groove, (b) in FIG.
Since each protrusion is located above the stepped portion having no vertical groove as shown in FIG. 5, the nut member does not drop even if the hand is released from the nut member in this state. Next, when the nut member is rotated and its female screw part is sufficiently screwed and tightened to the male screw part of the drainage body, the main body and the nut member are screwed together as shown in (c) of FIG. A drainer is attached to the periphery of the attachment hole opened in the sink by both members.

(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 is a plastic drain main body having an upper opening and a flange 2 on the outer peripheral side of the upper edge, It is located below the flange 2 of the main body 1 and has a male screw part 3 on the outer peripheral surface of the main body 1.
And is further provided on the outer peripheral surface of the main body 1 below the male screw portion 3, and in the present embodiment, the curved surface 4 ₁ ,
4 ₂ recess 4 provided with the Yes and circumferentially provided in a ring shape, so as to form a stepped portion 5 by弯入surface 4 ₂ of the lower longitudinal grooves keep the evenly spaced four at the stepped portion 5 6 is provided.

Reference numeral 7 denotes a ring-shaped nut member having an inner peripheral surface provided with a female screw portion 8 which is fitted on the outside of the drainage body 1 from below to attach the body 1 to an attachment hole formed in a sink S such as a sink. In addition, the lower surface of the flange 2 of the main body 1 is provided with an abutting upper surface 9 that abuts via the periphery of the attachment hole formed in the sink S and the packing P, and the female screw portion 8 of the nut member 7 is provided. Protrusions 10 located on the lower side and inserted into the vertical grooves 6 of the step portion 5 of the main body 1 are provided at four positions corresponding to the positions of the vertical grooves 6.

Next, based on the embodiment configured as described above, an operation procedure for attaching the drainage device to the sink S such as a sink will be described with reference to FIG. 5. First, a part of FIG. As shown in FIG. 5, the drainage body 1 is inserted into the attachment hole formed in the sink S of the sink, the lower surface of the flange 2 is placed in contact with the peripheral edge of the attachment hole via the packing P, and then, , The ring-shaped nut member 7 is inserted from below the main body 1, and the respective projections 1
When the nut member 7 is pulled upward, the protrusions 10 of the nut member 7 cause the protrusions 10 of the nut 5 to extend vertically. It passes through the groove 6 and is located above the step 5.

Therefore, when the nut member 7 is slightly rotated to displace the position of each protrusion 10 from the position of each vertical groove 6, (b) in FIG.
Each projection 10 is the upper surface of the stepped portion 5 of the body 1 as shown in, namely to become a state that is the receiving on弯入surface 4 ₂ of the lower recess 4, the nut member 7 to fall even let go There is no.
Next, when the nut member 7 is rotated and its female screw portion 8 is sufficiently screwed and tightened to the male screw portion 3 of the drainage body 1, as shown in FIG. 7 is screwed on,
Therefore, the drainer can be securely attached to the sink S with the peripheral edge of the attachment hole sandwiched by the flange and the packing P of the main body 1 and the contact upper surface 7 of the attachment member 6.

The number of the vertical grooves 6 provided on the main body 1 and the number of the projections 10 provided on the nut member 7 are not limited to those described in the embodiment, but in order to prevent the nut member 7 from falling, a plurality of them may be used. It is necessary to provide it at a position, and in the drawing, 11 is a plurality of pivoting finger hooks projecting on the outer peripheral side of the nut member 7.

(Effects of the Invention) The present invention provides a drain main body having a flange on the outer peripheral side of the upper edge and a male screw portion on the outer peripheral surface located below the flange, and fitted to the male screw portion of the main body. A female screw portion for attaching the drainage body to the attachment hole by sandwiching the periphery of the attachment hole opened in the sink such as a sink with the lower surface of the flange by inserting and screwing is provided on the inner peripheral surface. In a device for attaching a drainage device, which comprises a ring-shaped nut member, a recessed portion having upper and lower curved surfaces is provided on the outer peripheral surface of the drainage device body, the recessed portion being located below the male screw portion of the drainage device body. Vertical grooves are provided at a plurality of locations on the lower step formed by the concave portion, and are positioned below the female thread portion of the nut member to be inserted into the vertical groove on the main body side on the inner peripheral surface of the nut member. The present invention relates to an attachment device for a drainage device, which comprises a plurality of protrusions corresponding to the positions of the vertical grooves. When screwing the female thread portion of the nut member into the male thread portion of the drainage body, once the projection of the nut member is received on the upper surface of the stepped portion of the body as described above, Since it is possible to perform the screwing operation with the nut member not falling even if it is separated, even if the space for attaching the drainage device is narrow and the screwing operation of both members is not easy, it is accurate. In addition, the screwing operation can be performed easily and quickly, and the desired attachment of the drainage device can be carried out very smoothly.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a front view of the whole half-section, and FIG. 2 is a plan view of a nut member.
3 is a cross-sectional view taken along the line AA in FIG. 2, FIG. 4 is an enlarged vertical cross-sectional view before a screwing operation in a state where a nut member is fitted and inserted in a drainage body, and FIG. , (B) and (c) are vertical cross-sectional views of essential parts for explaining the attachment state to the sink. (Description of symbols) 1 ...... drainage body, 2 ...... flanges, 3 ...... male thread portion, 4 ...... recess _{4 1} ...... upper弯入surface, _{4 2} ......弯入surface of the lower 5 ... … Step, 6 …… vertical groove, 7 …… nut member, 8 …… female screw part, 10 …… projection.

Claims (1)

[Scope of utility model registration request] 1. A drainer main body having a flange on the outer peripheral side of the upper edge and a male screw portion on the outer peripheral surface located below the flange, and a drain screw body fitted and screwed to the male screw portion of the main body. The bottom of the flange and the bottom of the flange sandwiches the periphery of the attachment hole opened in the sink such as a sink to attach the drainage body to the attachment hole. In a device for attaching a drainage device including a nut member, a recessed portion having upper and lower curved surfaces is provided on the outer peripheral surface of the main body located below the male screw portion of the drainage device body, and is formed by the recessed portion. Vertical grooves are provided at a plurality of locations on the lower step portion of the nut member, and a plurality of protrusions are formed on the inner peripheral surface of the nut member and are inserted into the vertical groove on the main body side, which are located below the female screw portion of the nut member. An attachment device for a drainage device that is configured by projecting at each vertical groove position.