JP6027313B2 - Fixing the ball chain for drain valve - Google Patents

Description

  The present invention relates to a method for fixing a ball chain for a drain plug.

  Conventionally, as disclosed in Patent Document 1, a ball chain is inserted into a through-hole provided in a drain plug in the thickness direction, and a plate with a slit is engaged between the ball portion at the tip of the ball chain. Combined, there is a connection structure between the drain plug and the ball chain that prevents the ball chain from coming off.

Japanese Utility Model Publication No. 63-59590

  In the connection structure of the drain plug and the ball chain as disclosed in the above-mentioned Patent Document 1, the ball chain is passed through the through hole of the drain plug, and a slit plate is engaged with the tip of the ball chain. This is a structure in which the plate with slits is fitted into the drain plug and the work process is increased to fix the ball chain, and the plate with slits is pulled out from the drain plug to the lower side during use. As a result, there is a problem that the tip of the ball chain cannot be fixed to the drain plug well.

The present invention aims to provide a method for fixing a ball chain for a drain plug that can reliably fix the tip of the ball chain with fewer work steps, and has taken the following measures to achieve at least a part of this object. .
According to the fixing method of the ball chain for the drain plug of the present invention, after inserting the tip of the ball chain into the hole formed in the mounting member, a retaining member is inserted into the slit groove formed in the mounting member, and the slit groove and summarized in that to fix the ball chain to the mounting member in該抜only stop member partially exposed in the grooves of the tool formed perpendicularly to the.

  In the fixing method of the ball chain for the drain plug according to the present invention, the mounting member is surely secured in two steps, that is, the step of inserting the tip of the ball chain into the hole of the mounting member and the step of inserting the retaining member into the slit groove of the mounting member. It is possible to fix the tip of the ball chain, there are few work steps for fixing, and the ball chain can be fixed securely.

Further, in the method of fixing discharge valve for ball chain of the present invention, the attachment member, that is a groove for a tool perpendicular to said slit groove.
In this way, when the ball chain is unfixed, the retaining member is inserted into the slit groove through the tool by inserting the tool into the tool groove formed on the mounting member. Can be extracted satisfactorily, and the operation can be easily performed.

It is a disassembled perspective block diagram of a drain plug. It is an expansion perspective view of an attachment member. It is a perspective block diagram of the state which inserted and attached the attachment member to the rubber stopper. It is a longitudinal cross-section block diagram of the state which inserted the attachment member in the rubber stopper. FIG. 5 is a longitudinal sectional configuration diagram of a state in which a retaining member is inserted into the mounting member from the state of FIG. 4 and the tip of the ball chain is fixed via the retaining member. FIG. It is a principal part expanded sectional block diagram of the state which fixed the front-end | tip of the ball chain to the giboshi via the retaining member.

Next, the form for implementing this invention is demonstrated using an Example.
FIG. 1 is an exploded perspective view of a drain plug. A drain plug 1 includes a rubber plug 2, a mounting member 3 inserted into the rubber plug 2, and a mounting 5 attached to the basin side. It is comprised by the ball chain 4 which connects.

The mounting member 3 has a structure as shown in an enlarged perspective view in FIG. 2 and is integrally raised at the center of the large-diameter circular part 3a to form a cylindrical part 3b, and the outer periphery of the cylindrical part 3b. The ring-shaped protrusion 3c is integrally formed.
Further, a circular insertion hole 31 is formed in the upper end of the cylindrical portion 3b of the mounting member 3 in the vertical direction downward, and the upper end side surface of the cylindrical portion 3b is directed into the insertion hole 31. A slit groove 32 extending in the lateral direction is formed with an opening on one end side, and a vertical tool groove 33 that intersects the slit groove 32 at a right angle extends from the upper end of the cylindrical portion 3b to the opening side of the slit groove 32. It is formed in a concave shape.
The cylindrical portion 3b of the mounting member 3 is inserted from the lower side into a through hole 2a formed in a vertically penetrating manner in the center of the rubber plug 2, and is attached to the rubber plug 2 as shown in FIG. Can be attached.

  That is, as shown in the longitudinal sectional view of FIG. 4, a through hole 2 a is formed in the central portion of the rubber plug 2 in the vertical direction, and on the lower end side of the through hole 2 a, that is, on the back surface side of the rubber plug 2, A trapezoidal recess 2b that is recessed in the shape of a truncated cone is formed. The circular portion 3a of the mounting member 3 is fitted into the trapezoidal recess 2b, the cylindrical portion 3b is passed through the through hole 2a, and the rubber plug 2 The protrusion 3c can be engaged with the upper surface, and the cylindrical portion 3b can be mounted to protrude upward from the rubber plug 2, and can be mounted with the mounting member 3 attached to the rubber plug 2 as shown in FIG. The tip of the ball chain 4 is inserted into the insertion hole 31 of the member 3 from above, and in that state, the retaining member 6, which is a U-shaped plate material, is inserted into the slit groove 32 from the lateral direction to prevent it from coming off. The ball chain 4 can be fixed in the insertion hole 31 by the member 6.

  That is, when the U-shaped retaining member 6 is inserted into the slit groove 32, as shown in FIG. 5, the connection between the ball part 4a and the ball part 4a of the ball chain 4 already inserted into the insertion hole 31 is achieved. The U-shaped retaining member 6 is disposed so as to sandwich the portion 4b, and the retaining member 6 is fixed in the slit groove 32, so that the ball portion 4a of the ball chain on the lower end side is retained by the retaining member 6. Therefore, the tip of the ball chain 4 is fixed in the insertion hole 31 through the retaining member 6.

  Accordingly, the attachment member 3 is attached to the rubber plug 2, and in this state, the tip of the ball chain 4 is inserted into the insertion hole 31 of the attachment member 3, and the retaining member 6 is inserted into the slit groove 32 from the lateral direction. The tip of the ball chain 4 can be reliably fixed to the mounting member 3, and the ball chain 4 can be fixed very easily, and the ball chain can be used without using a conventional O-ring. Since the tip of 4 is directly fixed to the mounting member 3, the ball chain 4 is fixed with a clean appearance.

  Moreover, the giboshi 5 attached to the basin side has a structure as shown in the perspective view of FIG. 6, and this giboshi 5 has a screw part 5b in a hanging shape from a flange part 5a contacting the upper surface of the basin. A cylindrical projection 5c is integrally formed so as to protrude upward from the flange portion 5a coaxially with the screw portion 5b, and an insertion hole 51 is formed in a horizontal hole shape from the lateral direction in the projection 5c. The slit groove 52 extending into the insertion hole 51 is formed in the vertical direction on the upper surface of the convex portion 5c, and the vertical tool groove 53 is perpendicular to the slit groove 52 and the convex portion 5c. Is formed.

  Accordingly, the tip of the other end side of the ball chain 4 is passed through the insertion hole 51 from the lateral direction, and in this state, the U-shaped retaining member 6 is inserted into the slit groove 52 from the upper surface side of the convex portion 5c. Thus, the ball chain 4 is fixed in the insertion hole 51 by the retaining member 6, the work process of inserting the tip of the ball chain 4 into the insertion hole 51, and the retaining member 6 is inserted into the slit groove 52. The ball chain 4 can be easily fixed by the work of two steps of the work step.

  When the ball chain 4 is removed, on the attachment member 3 side, for example, a screwdriver or the like is inserted into the tool groove 33, and the screwdriver or the like is applied to the retaining member 6 inserted into the slit groove 32. Thus, the retaining member 6 can be easily removed from the slit groove 32 and removed. Similarly, on the side of the giboshi 5, a screwdriver or the like can be similarly inserted into the tool groove 53 so that the retaining member 6 can be easily removed from the slit groove 52.

DESCRIPTION OF SYMBOLS 1 Drain plug 2 Rubber plug 2a Through-hole 2b Trapezoid recessed part 3 Mounting member 3a Round part 3b Column part 3c Protrusion part 4 Chain 4a Ball part 4b Connection part 5 Giboshi 5c Convex part 6 Retaining member 31 Insertion hole 32 Slit groove 33 Tool groove 51 Insertion hole 52 Slit groove 53 Tool groove

Claims (2)

After putting the tip of the ball chain in the hole formed in the mounting member,
The retaining member is inserted into the slit groove formed in the mounting member, and the ball chain is attached to the mounting member by the retaining member partially exposed in the tool groove formed perpendicular to the slit groove. The fixing method of the ball chain for drain plugs characterized by being fixed to. After putting until the tip of the ball chain abuts the back end surface of the hole,
Discharge valve according to claim 1, characterized in that fixed to the mounting only member of the ball chain by the retaining member is inserted into the hole through the slit groove which is open in a portion of the side surface of the hole How to fix the ball chain.

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