JPH0633504A - Water piping joint device - Google Patents

Abstract

PURPOSE:To accomplish the water feed connection between a wafer handling device main body and a connecting pipe simply and without any mistake. CONSTITUTION:A water piping joint device comprises a projected joint 20 provided on a connecting pipe 9 connected to a water line pipe, a recessed joint 23 provided on a water feed port of a washing device main body 19, a slip-off prevention regulating means 24 and an O-ring for keeping the water-tightness between both joints 20, 23. The projected joint 20 is pushed in the axial direction to push and spread out the slip-off prevention regulating means 24 by a taper area 20e of the projected joint 20, and water-tight connection is accomplished by the O-ring 21. Further, when the large-diameter part (phiD part) of the taper area 20e of the projected joint 20 gets over the slip-off prevention regulating means 24, the slip-off prevention regulating means 24 fits into the notch groove 20f (phiH part) of the projected joint 20 to prevent slip-off. The slip-off is released by pulling downward the slip-off prevention regulating means 24 to detach the projected joint 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a water supply pipe and a water supply device.

[0002]

2. Description of the Related Art Conventionally, for example, the structure of a water supply port of a sanitary washing device has been generally shown in FIGS. It will be described with reference to the drawings. Reference numeral 1 denotes a sanitary washing device mounted and fixed on a western-style toilet 2, a washing device main body 3, a toilet seat 4 rotatably provided on the washing device main body 3, and a toilet lid 5.
It consists of The cleaning device main body 3 has a built-in cleaning device (not shown) for cleaning the human anus and local areas, and a drying device (not shown) for drying the ass with warm air after cleaning. There is.

Next, the water supply area will be described. 6 is a Western-style toilet 2
It is a faucet metal fitting for supplying water to the rear low tank 7,
A branch faucet 8 for branching and supplying water to the main body 3 of the cleaning device is provided on the secondary side, and the main body 3 of the cleaning device is connected from the branch faucet 8 by a connecting pipe 9 made of a copper pipe. There is.

The connection between the connecting pipe 9 and the cleaning device body 3 is
It was as shown in FIG. Reference numeral 10 is a main body water supply connection unit which is provided on the left side hanging portion of the cleaning device main body 3 and is fixed so that the connecting direction with the connecting pipe 9 is the rearward direction of the western-style toilet 2. The main body water supply connection unit 10 is provided with a taper ring 13 having a taper shape in which a slit is formed in an outer shell inserted in the connecting pipe 9, a flat ring 14, and a packing 15 in a screw portion 10a provided rearward. By tightening with the cap nut 12,
The taper ring 13 prevents the connecting pipe 9 from coming off and the packing 15 is pressed to be watertight. 11
Is a drain plug for draining the residual water of the connecting pipe 9.

[0005]

The main body water supply connection work in the structure of the sanitary washing device 1 having such a conventional structure will be described with reference to FIG. Due to the peculiar narrowness of the toilet room, the main body water supply connection unit 10 of the main body 3 of the cleaning device inevitably has the wall 17 of the toilet and the Western-style toilet 2
And the low tank 7 of the Western-style toilet, and as a result, when fastening the cap nut 12 of the connecting pipe 9 to the main body water supply connection unit 10, the worker folds down midway and, in some cases, gropes (invisible). In this state, a tool such as a spanner wrench 16 was attached while being in contact with the wall 17 of the toilet, the low tank portion 7 of the toilet, the toilet 2 and the like.

As described above, according to the conventional structure, the number of parts is small and the structure is very simple. However, the pipe connecting work at the time of construction has the following problems as described above.

1) It takes a lot of work man-hours. 2) The operator is physically tired.

3) Since the work is unstable, it is easy for a construction error to occur which leads to a water leakage accident. And so on.

The present invention solves the above-mentioned problems, and provides a water pipe joint device which can easily and surely perform a pipe connection work even in a work under a narrow adverse condition such as a toilet room. The purpose is to

[0010]

In order to achieve the above object, a water pipe joint device of the present invention has a connecting pipe connected to a water supply device, a tapered portion provided at one end of the connecting pipe, and a notch groove. A convex joint, a concave joint provided at the water supply port of the water supply device, and a retainer regulation that prevents the retainer in a state where the convex joint and the concave joint are fitted and pushes it out by the tapered portion. And a sealing member that keeps the joints watertight, and locks in the notch groove of the convex joint to prevent the joints from being watertightly connected to each other by the seal member.

[0011]

According to the present invention, even when working under narrow adverse conditions, a screw portion such as a cap nut is not provided in the water supply connection portion of the water supply device, so that only a simple operation of pushing the connecting pipe in the axial direction is required. Thus, water-tight connection and retaining regulation can be performed at the same time.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the water pipe joint device of the present invention will be described below with reference to the drawings. The same parts as those in the conventional example are designated by the same reference numerals.

FIG. 6 is a perspective view of the sanitary washing device. 18
Is a sanitary washing device mounted and fixed on the rear upper surface of the western-style toilet 2, and includes a washing device main body 19, a toilet seat 4 rotatably provided on the washing device main body 19, and a toilet lid 5. The cleaning device main body 19 includes a cleaning device (a hot water tank, a solenoid valve, a cleaning nozzle unit, a control unit, etc.) for cleaning the anus and a local part of a human body, and after cleaning,
It incorporates a drying device (warm air heater, fan motor, wind tunnel unit, etc.) that dries the hips with warm air.

Next, the area around the water supply section will be described. Reference numeral 6 denotes a water faucet fitting having a primary side connected to a water pipe and a secondary side communicating with the low tank 7. A secondary faucet 8 for branching to the main body 19 of the cleaning device and supplying water to the secondary side of the faucet fitting 6. Is attached. One end 9a of a connecting pipe 9 is connected to this branch faucet 8, and the other end 9b is attached with a convex joint 20 shown in FIGS. 1 and 2. The connection pipe 9 and the convex joint 20 are connected to each other by a taper ring 13 having a taper shape having a slit in the outer shell, a cap ring nut 12 via a flat ring 14 and a packing 15, and a screw portion 20a of the convex joint. It is secured to be watertight and to prevent it from coming off.

The shape of the convex joint 20 has a water passage 20b in the central longitudinal direction, and one end of the outer shell has the threaded portion 2b.
0a is formed, the central portion 20c has the largest diameter, the other end portion 20d has the smallest diameter, and a tapered portion 20e is formed from the central portion 20c to the other end portion 20d. A cutout groove 20f is provided in the circumferential direction at the largest diameter portion of the tapered portion 20e. Reference numeral 21 is an O-ring inserted in the groove of the other end 20d.

Next, the water supply port of the cleaning device main body 19 will be described. Reference numeral 22 denotes a main body water supply connection unit, which has a concave joint 23 corresponding to the convex joint 20 at the position of the left side hanging portion of the main body 19 of the cleaning device. Reference numeral 24 is a retainer for locking the convex joint 20 and the concave joint 23 in the cutout groove 20f of the convex joint 20 in a state where the convex joint 20 and the concave joint 23 are inserted, and has elasticity such as stainless steel wire for spring. The shape is shown in FIG.

That is, the stainless steel wire is bent into a substantially U shape, and both ends are bent inward into a U shape (24a, 24b). The H dimension is the same as the outer diameter φH of the cutout groove 20f of the convex joint 20, and the convex joint 2
It is made larger than the outer diameter dimension of the tip portion 20d of 0. Figure 3
Shows a cross section taken along the line AA in FIG. 1 and shows a state in which the convex joint 20 is not inserted. Reference numeral 23a is a guide portion of a retaining member 24 formed on the outer periphery of the upper portion of the concave joint 23, and its lateral width h is also substantially the same as the outer diameter dimension φH of the cutout groove 20f of the convex joint 20.

Further, as shown in FIG. 5, the upper surface of the guide portion 23a has U-shaped bent portions (24a, 24b) at both ends of the retaining member 24, and a slanted portion 23b is provided downward to facilitate opening. Is forming. Then, the U-shaped bent portions (24a, 24b) at both ends are connected to the vertical wall 23c of the guide portion 23.
In the state of being located at, the dimension of the retaining stopper 24 is displaced and becomes larger than the outer diameter φD of the tapered portion 20e of the convex joint 20, so that when the convex joint 20 is pulled out, it comes off from the concave joint 23. Has become.

FIG. 4 shows the convex joint 20 and the concave joint 23.
Shows a state in which the stopper fitting 24 is in the middle of being inserted, and the stopper portion 24 is expanded by the tapered portion 20e of the convex joint 20.

FIG. 2 shows the convex joint 20 and the concave joint 23.
Shows the state that it is completely inserted. In this state, the O-ring 21 inserted into the tip end portion 20d of the convex joint 20 is pressed against the inner wall 23b of the water passage of the concave joint 23 to maintain a watertight structure.

FIG. 7 shows a BB cross section shown in FIG. Thus, according to the present embodiment, the convex joint 20 provided at the other end 9b of the connecting pipe 9 connected to the water pipe, the concave joint 23 provided at the water supply port of the cleaning device body 19, and the convex pipe The joint 20 and the concave joint 23 are inserted and fitted to each other.
And a O-ring 21 that keeps the water tightness of both joints 20 and 23.
By the pushing operation of the convex joint 20 in the axial direction (H in the direction of FIG. 1), the stopper portion 24 is expanded by the taper portion 20e of the convex joint 20 (FIG. 4) and the O
When the watertight connection is made by the ring 21, and the large diameter portion (φD portion in FIG. 1) of the tapered portion 20e of the convex joint 20 gets over the retaining stopper 24, the convex joint 2
The retaining stopper 24 fits into the 0 notch groove 20f (portion φH in FIG. 1) by the natural return due to elasticity, so that the joints 20 and 23 can be prevented from retaining.

Further, by pulling the retaining stopper 24 downward (V in FIG. 5), the concave joint 23 is drawn.
The retainer 24 is pushed open by the guide 23a provided on the upper end of the retainer 24 to release the retainer.
Can be removed.

Therefore, the water supply connection between the connecting pipe 9 and the cleaning device main body 19 can be attached and detached by a simple operation, the burden on the operator at the time of construction and repair can be reduced, and construction errors can be eliminated. Also, the water supply connection can be attached and detached by a simple operation even at the time of water flow inspection inside the manufacturing plant, so that the man-hour can be reduced and the sanitary washing device with low manufacturing cost can be provided.

[0024]

According to the water pipe joint cleaning device of the present invention,
One end is connected to the water pipe, the other end is connected to the water supply device main body, a connecting pipe, a convex joint provided at the other end of the connecting pipe, a concave joint provided at the water supply port of the device main body, and the convex pipe. A retaining member for retaining the shape joint and the recessed joint in a fitted state and a seal member for keeping the watertightness of both joints,
By the pushing operation in the axial direction of the convex joint, the taper portion provided on the convex joint pushes and spreads the retaining stopper.
When the taper portion is crossed over, the slip-out prevention member returns by elastic force, and is locked by a notch portion provided at the taper end portion of the convex joint to prevent slip-out. Since the watertight connection is made, the watertight connection and the retaining prevention can be performed at the same time by a simple operation of pushing the connecting pipe in the axial direction. As a result, the following effects are achieved.

1) The number of man-hours for fastening work can be shortened. 2) Physical fatigue of workers can be reduced.

3) Unstable work is eliminated, and construction errors such as water leakage accidents in connection work are eliminated.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a water supply connection portion of a cleaning device body of a sanitary cleaning device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a water supply connection portion of the cleaning device body of the sanitary cleaning device of the same embodiment.

FIG. 3 is a sectional view taken along line AA shown in FIG.

FIG. 4 is a cross-sectional view of essential parts showing a state where the convex joint and the concave joint of the sanitary washing device of the embodiment are inserted and fitted.

FIG. 5 is a cross-sectional view of essential parts showing a state in which a retainer for the sanitary washing device according to the embodiment is removed.

FIG. 6 is an external perspective view of the sanitary washing device according to the embodiment.

7 is a sectional view taken along line BB shown in FIG.

FIG. 8 is an external perspective view of a retaining stopper of the sanitary washing device according to the embodiment.

FIG. 9 is a perspective view of a conventional sanitary washing device.

FIG. 10 is an exploded perspective view showing a water supply connection portion of the conventional example.

FIG. 11 is a perspective view showing a water supply connection construction of the conventional example.

[Explanation of symbols]

 19 Cleaning Device 20 Convex Joint 20e Tapered Part of Convex Joint 20f Notched Groove of Convex Joint 21 Sealing Member (O-Ring) 23 Recessed Joint 24 Lock-out Preventing Tool

Claims (1)

[Claims] 1. A connecting pipe connected to a water supply device, a convex joint having a tapered portion and a notch groove provided at one end of the connecting pipe, and a concave joint provided at a water supply port of the water supply device. A retaining member that prevents the convex joint and the concave joint from being inserted and is expanded by the tapered portion, and a seal member that keeps the watertightness of the joints. A water pipe joint apparatus in which a tool engages with a notch groove provided in the convex joint to prevent the joint from coming off, and the seal member connects the joints to each other in a watertight manner.