JPH0127749Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a drain plug mounting device, particularly for bathtubs,
This invention relates to a device for attaching the ends of chains connecting drain plugs in tanks such as washstands and sinks to the walls of the tank.

As shown in FIG. 1, a conventional drain plug mounting device is composed of a mounting bracket 3 having a threaded shaft 4 passing through an opening 2 formed in the wall of a tank 1, and a washer 6 inserted from the outside of the tank wall. This mounting bracket 3 was attached to the tank 1 by screwing the nut 5 onto the screw shaft 4 through the screw.
3a is the flange of the mounting bracket 3, and the flange 3a and the tank 1
A gasket 7 for sealing is interposed between the inner wall surface and the inner wall surface. Reference numeral 3b denotes a mounting rod protruding from the inside of the tank 1, to which the end of a chain 8 connected to a drain plug is connected via a connecting ring 9. With this configuration, if the mounting bracket 3 rotates even slightly for some reason during long-term use, the nut 5 will loosen and rattle, and the mounting bracket 3 will eventually come off, and in order to reinstall it, it will have to be mounted on the wall. or destroy the
The installation requires complicated processing, and there is another problem in that if the opening 2 is left open, water or hot water will flow out from the opening 2. In addition, when transporting the tank 1, it is stacked in several stages, but in this case, there is a risk that the tank 1 will be damaged by the tip of the mounting rod 3b of the mounting bracket 3, and the mounting rod 3b may protrude into the tank 1. There were various problems such as getting in the way.

In view of these conventional problems, it is an object of the present invention to provide a drain plug mounting device that prevents the mounting bracket from coming off, allows easy mounting from inside the tank even if it comes off, and does not have a part that protrudes greatly into the tank. With the goal.

For this reason, the present invention includes a sealing part having a U-shaped cross section that is fitted to the periphery of an opening formed in the wall of the tank, and a cross section L extending from the outer periphery of the sealing part on the outside of the tank to the inner periphery. A packing having a letter-shaped holding part, a cap nut held by the holding part of the packing, and an end of a chain that passes through the packing and is connected to a drain plug, and a tip thereof is inserted into the cap nut. a mounting bracket having a cylindrical part that is screwed into the cylindrical part and a flange that comes into contact with the inner side surface of the tank of the packing, and a locking piece that engages with the tip of the chain and the front end surface of the cylindrical part, Attach the packing and cap nut to the opening in the tank wall, pass the chain through the mounting bracket, engage the locking piece at the tip, and screw the cylindrical part of the mounting bracket through the packing and into the cap nut, making it easy to do so from inside the tank. To provide a drain plug mounting device which can be mounted on a tank, has a chain that can freely rotate, prevents the mounting fitting from turning and loosening, and allows only the collar of the mounting fitting to protrude into the tank.

An embodiment of the present invention will be described below with reference to FIGS. 2 to 4. Reference numeral 11 denotes a tank such as a bathtub, and an opening 1 for mounting is provided in the upper part of the peripheral wall surface 11a.
2 is formed. Reference numeral 13 denotes a gasket attached to the opening 12, which includes a sealing portion 13a having a U-shaped cross section and opening toward the outer periphery, which is fitted to the peripheral edge of the opening 12.
and a holding portion 13b having an L-shaped cross section and extending inward from the outer peripheral edge of the wall surface 11a. Reference numeral 14 designates a cap nut, with a flange 14a extending radially outward from the opening end, and by fitting the flange 14a into the holding portion 13b of the packing 13, the cap nut 14 is attached to the packing 13. is maintained. Reference numeral 15 denotes a mounting bracket, which includes a cylindrical part 15a through which the end of a chain 18 connected to a drain plug (not shown) is inserted, and a collar 15b extending radially outward from the inner end of the tank 1 of this cylindrical part 15a. It consists of The cylindrical portion 15a is the sealing portion 13a of the packing 13.
A screw 16 is formed on the outer periphery of the distal end of the screw 16 to be screwed into the cap nut 14. 17 is a locking piece such as a C-shaped washer, one side of which engages with the tip of the chain 18, and the other side of the locking piece with the end face of the cylindrical portion 15a, thereby locking the chain 18 so that it does not slip out. ing.

When attaching the chain 18 to the wall 11a of the tank 11, fit the packing 13 into the opening 12 of the wall 11a as shown in FIG. Tsuba 14d
Fit and install. Even if the tanks 11 are kept in this state when being transported, only the flat plate-shaped part of the gasket 13 protrudes into the tank 11, so there is no chance of damage even if the tanks 11 are stacked. do not have. Moreover, dust etc. do not enter into the tank 11 from the opening 12 during construction. Next, to attach the chain 18, as shown in FIG. Alternatively, pull the locking piece 17 by hand to engage the end surface of the cylindrical part 15a, and in this state, pass the cylindrical part 15a of the mounting bracket 15 through the gasket 13 shown in FIG. 3, and then tighten the cap nut 14.
By screwing in the screw 16, it can be installed as shown in FIG.

In this attached state, the chain 18 is attached to the cylindrical portion 1
Since it can rotate freely within the mounting bracket 5a, no force is applied to the mounting bracket 15, and the mounting bracket 15
will not come loose and come off, and on the other hand, if the chain 18 breaks and needs to be replaced, it can be easily removed by rotating the mounting bracket 15 from inside the tank 11, and it can be easily reinstalled in the same manner as above. chain 1
8 can be easily replaced. In addition, only the flat plate-shaped part of the gasket 13 and the collar 15b of the mounting bracket 13 protrude into the tank 11, and they do not protrude significantly, so even if your back hits the mounting bracket 15 in a bathtub, etc. It does not get in the way and there is no risk of injury.

According to the drain plug mounting device of the present invention, as is clear from the above explanation, it can be easily installed and removed by simply turning the mounting bracket from inside the tank, and the chain can be installed and replaced extremely easily. In addition, since the chain can rotate freely, the mounting bracket will not turn and come off unexpectedly, and the chain will not twist and break easily. In addition, only a part of the packing and the collar of the mounting bracket protrude into the tank, so there is no chance of getting in the way or getting injured by the protruding parts, and since it is extremely easy to install, it cannot be removed during transportation. Although it has a simple structure, it is extremely effective in practical use, such as the fact that the tank is not damaged by the mounting fittings during transportation.

[Brief explanation of drawings]

Figure 1 is a longitudinal sectional side view of the conventional example, Figures 2 to 4
The figures show one embodiment of the present invention, Fig. 2 is a longitudinal side view, Fig. 3 is a longitudinal side view with the gasket and cap nut attached to the tank, and Fig. 4 is the state with the chain attached to the mounting bracket. FIG. 11... Tank, 12... Opening, 13... Packing, 13a... Sealing part, 13b... Holding part, 14
... Cap nut, 15 ... Mounting bracket, 15a ... Cylindrical part, 15b ... Flange, 16 ... Screw, 17 ... Locking piece, 18 ... Chain.

Claims (1)

[Scope of utility model registration request] A sealing part having a U-shaped cross section that fits into the peripheral edge of an opening formed in the wall of the tank, and a holding part having an L-shaped cross-section extending from the outer peripheral edge of the sealing part on the outer surface of the tank inward. a cylindrical part which passes through the packing and into which the end of a chain connected to the drain plug is inserted, and whose tip is screwed into the cap nut. and a flange that comes into contact with the inner side surface of the tank of the seal, and a locking piece that engages with the tip of the chain and the tip surface of the cylindrical part. mounting device.