JP3460512B2 - Low tank arm installation structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low tank for supplying flush water to a toilet bowl, and more particularly to an arm installation structure of the low tank.

[0002]

2. Description of the Related Art In a low tank for supplying flush water to a toilet bowl, an outflow valve such as a float valve is provided at the bottom of the tank, and the stored water flows out toward the toilet bowl by pulling up the outflow valve. .

To raise the outflow valve, a handle device having an arm is provided above the raw tank, and the tip end side of the arm is connected to the outflow valve via a linear body such as a chain. By rotating this arm, the outflow valve is pulled up.

[0004]

Since the outflow valve is pressed against the valve seat portion by the water pressure in the low tank, when pulling up the outflow valve, a force is applied to the arm in the direction of pulling the arm tip side downward. To be If the arm is made of synthetic resin or the like, the force in the pulling down direction may cause the arm to bend, and the outflow valve may not be sufficiently pulled up. Further, when the arm is attached to the resin tank, the tank attachment surface may be bent.

An object of the present invention is to eliminate such bending of the arm and the resin tank.

[0006]

According to the arm installation structure of a low tank of the present invention, a handle device having an arm for pulling up an outflow valve provided at the bottom of the low tank is provided at the upper part of the low tank. tank
Is covered with a cover, in arm installation structure of a low tank of the base end side of the arm is held by the holding member with respect to the tank cover, the holding member is the tank
Is fixed to the cover, that is supported by the data Nkukaba by the distal end side supporting portion than the holding member of the arm
A arm installation structure of Russia Tanku, the Tankukaba
A protruding piece is projected inward from the upper part of the
The part is supported by the overhanging piece .

In the arm mounting structure of the low tank, the arm can be surely prevented from bending by supporting the arm, for example, on the tip end side or in the middle of the longitudinal direction with the support portion.

This supporting portion may be a supporting member separate from the arm, or may be integral with the arm.

When the low tank is covered with the tank cover, the handle device is often attached to the tank cover. In this case, the axial length of the arm is larger than that in the case where the handle device is attached to the low tank, and the tip end side of the arm and the tank cover are easily bent. Accordingly, the present invention is Ru is suitably applied to low tank of the type provided with a handle device in this way the tank cover.

[0010] In the present invention, it projected a protruding tab toward the top of the tank cover inwardly, Ru is supported the support portion to the overhanging piece.

The support portion includes a plate-shaped main body portion extending in the vertical direction, an opening provided in the main body portion, into which the arm is inserted, and a plate surface of the main body portion from an upper portion of the main body portion. When being butt set substantially in a vertical direction, preferably it has a nipping pieces a pair of sandwiching said Zhang piece. This support can be attached to the tank cover very easily.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view showing an arm installation structure of a low tank according to an embodiment, FIG. 2 is a perspective view showing this structure, and FIG. 3 is an exploded perspective view showing the overall structure of a Western-style toilet having this structure. 4 is a perspective view of the support member.

As shown in FIG. 3, a low tank 2 made of synthetic resin is installed on the rear upper surface of the Western style toilet 1. In this embodiment, the raw tank 2 is covered with a tank cover 3 made of synthetic resin. The tank cover 3 includes a cover rear 4 that surrounds the rear side of the raw tank 2, a cover front 5 that surrounds the front side of the raw tank 2, and a cover top 6 that covers the upper portion of the raw tank 2. A handle device 7 is attached to the cover rear 4, and a toilet seat 8a and a toilet lid 8b are rotatably attached to the cover front 5.

The cover top 6 is provided with a hand-washing pot portion 9 and a hand-washing and spouting portion 10 for discharging water toward the hand-washing pot portion 9. It should be noted that the cover rear 4 is provided with an insertion pipe 11 which is inserted into the hand-washing / spraying unit 10. When the cover top 6 is covered on the cover rear 4 and the cover front 5, the inserting pipe 11 is inserted into the hand-washing / spraying unit 10.
Plugged in. The insertion pipe 11 is provided with a tube 12 for a ball tap (not shown) provided on the raw tank 2.
Connected through.

In the tank cover 3, below the raw tank 2, a hot water washing device having washing nozzles 14 and 15 for washing the human buttocks with warm water, and the buttocks after washing are dried with warm air. Equipment such as the warm air blowing device 16 is installed for this purpose.

Next, the structure of the handle device 7 will be described with reference to FIGS. 1 and 2. The handle device 7 is attached to a drive device 18 attached to the cover rear 4 of the tank cover 3, an arm 19 made of synthetic resin provided so as to penetrate the drive device 18, and a tip of the arm 19. The chain 20 and the handle 21 attached to the rear end of the arm 19 are provided. Arm 1
The tip side of 9 is bent in an L shape, and the chain 20 is attached to this bent tip portion.

The drive unit 18 is equipped with a motor 22,
The arm 19 can be rotated by operating a switch (not shown). This drive 18
From the above, a guide cylinder 23 is provided so as to project toward the inside of the raw tank 2, and the arm 19 is inserted into the guide cylinder 23.

An overhanging piece 24 projects from the upper part of the cover rear 4 toward the inside of the low tank.
A support member 25 as a support portion is locked to the tip portion of the.

As shown in FIG. 4, the support member 25 includes a plate-shaped main body 26 extending in the vertical direction, an opening 27 formed in the main body 26, and an upper edge of the main body 26. The main body 26 is provided with two sandwiching pieces 28 and 29 which are provided so as to project perpendicularly to the plate surface.

The guide tube 23 is inserted into the opening 27,
The support member 25 is attached to the overhanging piece 24 so as to receive the tip of the overhanging piece 24 between the sandwiching pieces 28, 29. As a result, the guide cylinder 23 is suspended from the overhanging piece 24 via the support member 25, and the guide cylinder 23 is prevented from bending. The main body 26 of the support member 25 is
The guide ring 23 is arranged so as to overlap the inner surface of the upper portion of the low tank 2, and the C-ring 30 is attached to the guide tube 23 to prevent the support member 25 from moving in the axial direction of the guide tube 23.

In the Western-style toilet 1 having the low tank 2 constructed as described above, the arm 19 is rotated by operating the handle 21 or the switch (not shown) as described above, and the chain 20 is moved. The float valve at the bottom of the low tank 2 is pulled up through the low tank 2, and the wash water flows out from the low tank 2 toward the western-style toilet 1.

When the arm 19 is rotated in this way,
The weight of the float valve is loaded on the tip side of the arm 19, and the arm 19 tries to bend in the direction in which the tip side is pulled down. However, in this embodiment, the tip end side of the guide cylinder 23 is suspended from above by the support member 25,
The arm 19 and the tank cover 3 are reliably prevented from bending. Therefore, even if the arm 19 is made of a material such as synthetic resin, the float valve can be reliably pulled up. Further, since the torque transmission loss of the motor 22 is small, a motor with a small output can be used as the motor 22.

In this embodiment, the supporting member 25
Is attached to the overhanging piece 24 by utilizing the sandwiching pieces 28 and 29, so that the support member 25 can be installed very easily.

[0024]

In the above embodiment, the tank cover 3 is arranged outside the raw tank 2, and the base end side of the arm 19 is attached to the tank cover 3. For this reason, the length of the arm 19 in the axial direction is large and the tip side of the arm 19 is easily bent.
By suspending 3 by the support member 25, even if the length of the arm 19 is large, the bending of the arm 19 is reliably prevented.

[0026]

In the above-described embodiment, the arm 19 is rotated by both the manual handle 21 and the electric drive device 18, but the present invention is only a manual type or an electric drive type. It can also be applied to the case of rotating the arm only.

[0028]

As described above, according to the arm installation structure of the low tank of the present invention, the bending of the arm, the low tank made of synthetic resin or the tank cover is prevented, and the outflow valve such as the float valve is reliably opened. You can Further, in the case of the handle device in which the arm is driven by the motor, it is possible to employ a motor having a small capacity as the motor.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an arm installation structure according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the structure of FIG.

FIG. 3 is an exploded perspective view showing an overall configuration of a Western-style toilet having the structure according to the embodiment.

FIG. 4 is a perspective view of a support member.

[Explanation of symbols]

1 Western style toilet 2 low tanks 3 tank cover 4 cover rear 5 cover front 6 cover top 7 Handle device 19 arms 20 chains 21 handle 23 Guide tube 24 Overhanging piece 25 Support member 26 Body 27 openings 28,29 clamping piece 30 C ring

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yutaka Mizutani 5-1, Koiemotocho, Tokoname City, Aichi Prefecture Inax Corporation (72) Inventor Mitsunori Kobayashi 14-1 Tsukamori, Nawa-cho, Tokai-shi, Aichi (56) ) Bibliography Sho 62-196272 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E03D 5/092

Claims (2)

(57) [Claims] 1. An outflow valve provided at the bottom of a low tank
A handle device having an arm for pulling up is a rotor
It is provided on the top of theThe low tank is
Covered with a bar and aboveBase side of armIs theTank tank
Low tank held by a holding member against the bar
In the arm installation structure ofThe holding member is fixed to the tank cover, The a
The support part is located on the tip side of the holding member.TeLink
Supported by the coverRuroー Tank arm installation structureso
There A protruding piece is projected from the upper part of the tank cover inward.
And the support portion is supported by the overhanging piece.
The structure for installing the arm of a low tank to be considered. 2. The support portion according to claim 1 , wherein the support portion has a plate-shaped main body portion extending in the vertical direction, an opening provided in the main body portion, into which the arm is inserted, and an upper portion of the main body portion. It is butt set to the plate surface substantially perpendicular direction of the body portion from the arm installation structure of a low tank, characterized in that it is constituted by the nipping pieces a pair of sandwiching said Zhang piece.