JPH0754764Y2 - Hot water switching device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tap water changer arranged near a sink, a sink, or the like.

[0002]

2. Description of the Related Art A hot water outlet switch provided on a hot water outlet pipe extending from a water heater to switch the hot water flowing out to a rectifying type or a shower type is disclosed, for example, in Japanese Utility Model Laid-Open No. 60-100469.
In such a hot water outlet switching device, it is known, for example, to provide a switch for instructing the start and stop of hot water discharging on the hot water outlet switching device by, for example, Japanese Utility Model Publication No. 4-526.
Known by 12. Then, the actual fairness 4-52
In 612, a switch is provided inside the hot water switching device, and a push button integral with the switch protrudes from the outer wall of the hot water switching device to the outside.

[0003]

It is desirable that the size of the hot water switching device is as small as possible in terms of usability, but since a water conduit, a switching mechanism, etc. are housed inside the hot water switching device, an instruction to start / stop hot water is given. The space for mounting the switch to be installed is small, and particularly for a switch having a relatively large depth or stroke, it is difficult to dispose the switch because the water pipe interferes with the switch.

It is an object of the present invention to obtain means for easily disposing the switch.

[0005]

[Means for Solving the Problems] Means for achieving the above-mentioned object in the present invention is a hot water selector which is connected to a tip of a hot water outlet pipe extending from a water heater and which has a switch for instructing start and stop of hot water discharge. A cover for covering the water conduit of the hot water switching device, a switch fixed to one side of the inner surface of the cover for instructing start / stop of hot water, and a base side locked to the other side of the inner surface along the inner surface. An arm made of an elastic material having a tip extending in contact with an actuator of the switch, and a push button which is inserted into an opening provided in the cover so as to be movable back and forth and whose inner end abuts an intermediate portion of the arm. Is characterized by.

[0006]

Since the above-mentioned means is provided, even if the switch has a large depth, the switch can be mounted on one side of the inner surface of the cover without interfering with the water guide pipe, and the arm for operating the switch is the cover. Since it is arranged along the inner surface of the pipe, it can be arranged and rotated without interfering with the water conduit. Since the push button acts on the intermediate position of the arm, the switch can be operated with a small stroke.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a hot water outlet switching device, 2 is a switching unit,
3 is a hot water outlet, 4 is a cover, 5 is a switch for instructing start and stop of hot water, openings 6 and 7 are provided on the side surface of the cover 4, and a switching button 8 for switching between shower and rectification is provided from the opening 6. The push button 9 of the switch 5 projects from the opening 7.

In FIG. 2, the switching unit 2 is provided with a main body 10 and a flow dividing unit 11, and the main body 10 has a connecting screw portion 1 from above.
2, the water conduit 13 and the cup portion 14 are integrally formed. A ring groove 12 a and a water passage slit 12 b are provided on the inner bottom surface of the connection screw portion 12, and the ring groove 12 a
The tip 15c of the tapping pipe 15 is inserted in a and the O-ring 15a
It is fixed by the nut 15b through the. Reference numeral 16 is a resin jacket.

A short cylindrical bearing 17 is connected to one side of the cup portion 14 via recessed walls 18 and 19 shown in FIG. 3, and the shaft portion 21 of the switching member 20 is provided in the bearing 17. Is inserted. As shown in FIGS. 4 and 5, the switching member 20 includes an arm 22 extending from the shaft portion 21 at a right angle, and the shaft portion 21 is provided with a circumferential groove 21a, a pivot 21b, and a square portion 21c.
The arm 22 is provided with a mounting hole 22a.

In FIG. 2, an O-ring 23 for airtightness is fitted in the circumferential groove 21a of the shaft portion 21, and the square portion 21c is fitted in the square hole 24 of the switching button 8 shown in FIG. A valve 25 is attached to the attachment hole 22a of the arm 22. The valve 25 has a valve body portion 25 as shown in FIG.
a and a shaft portion 25b, and the shaft portion 25b is a split groove 25c.
And a jaw 25d, which are joined by pushing the shaft portion 25b into the mounting hole 22a.

The flow dividing portion 11 is provided with a pivot bearing 26 and a packing frame 27 shown in FIG.
The pivot 21b of the shaft portion 21 is supported by. Two passages are provided in the packing frame 27, and a packing 28 having two holes corresponding to the passages is fitted therein. In FIG. 3, 29 is a shower passage, and the other rectifying passage 30 is closed by a valve 25. Switch button 8 in the state shown in FIG.
When the right side of is pushed, the arm 22 rotates to the left to close the shower passage 29 and open the rectifying passage 30.

A rectification outlet 31 is provided in the center of the lower surface of the flow dividing portion 11, and the rectification passage 30 is guided by the curved internal passage, and the shower passage 29 is
It opens to the lower part at a place different from the rectification outlet 31.

The hot water outlet 3 is fixed to the lower portion of the switching unit 2, has a straightening cylinder 33 in the center, and a large number of small holes 34 for shower around the straightening cylinder 33. Inside the rectifying cylinder 33,
The inner straightening vanes 36 are connected by a plurality of vertically elongated straightening vanes 35 facing the radial direction, and concentric circular and radial straightening walls are provided in the inner straightening vanes 36. And this outlet 3
Is coupled to the cup portion 14, the upper end of the rectifying cylinder 33 contacts the flange 31a at the lower end of the rectifying outlet 31, and a passage divided into the inside and the outside is formed.

Therefore, in the state of FIG. 3, hot water passing through the shower passage 29 is discharged from the small holes 34 in a shower shape. When the right end of the switching button 8 is pushed, the arm 22 rotates to the left, the valve 25 closes the shower passage 29, the rectifying passage 30 is opened, and the hot water flows out from the rectifying cylinder 33 in a rod shape.

Next, the mounting mechanism of the switch 5 will be described. In FIG. 8, the switch 5 is fixed by ribs 38 and 39 protruding from the inner surface of the cover 4 and a switch holder 40 as described later. Actuator 5 of the switch 5
arm 41 for pressing the a is made of a resin material having elasticity, a hole 41a formed in the base portion 41 ₁ is fitted into the pin 42, by having a base end portion 41b abuts against the ribs 43,
Base side 41 ₁ is locked to the cover 4 while being prevented from rotating outwardly. Working part side 41 of arm 41
₂ has an arcuately curved shape, extends along the inner surface of the cover 4, and the middle portion contacts the inner end surface of the push button 9 so that the elastic force of the arm 41 acts on the push button 9. The tip 41d faces the actuator 5a of the switch 5 .

The push button 9 has a flange 9a at the inner end, and even if the elastic force of the arm 41 is received, the flange 9a abuts the inner edge of the opening 7 to prevent the push button 9 from coming off.
In addition, vertical protrusions are formed on the inner end surface. The arm 41 is provided with a groove 41c with which the projection is engaged, and the engagement prevents the push button 9 from rotating.

FIG. 9 is an exploded view of the cover 4 as seen from below.
Steps 38a and 39a are provided on the ribs 38 and 39, and pipes 44 and 45 are provided in the vicinity of the steps 38a and 39a, and the pins 42 and the ribs 43 project from the inner surface of the cover on the diametrically opposite sides. The switch holder 40 is provided with a pair of legs 40a and a lateral pin 40b, which project from the pin 40b.
Through the side hole 5b of the switch 5 to fix the switch 5 to the switch holder 40.
The switch 5 is fixed to the cover 4 by press-fitting the leg 40a into the pipe bodies 44 and 45 until it comes into contact with the a and 39a.

[0018] a since the above configuration, when pressing the push button 9, the lever 41, since the base side 41 ₁ is prevented from rotating outwardly by the ribs 43, actuation portion 41
_{When 2} is elastically deformed so as to be displaced inward, the operator 5a of the switch 5 is pressed by the tip 41d and the pressing is released,
The lever 41 is elastically restored, and the push button 9 also returns to the original position.

The electric wire 46 extending from the switch 5 reaches the water heater through the space between the flexible tube 15 and the jacket 16, and if the push button 9 is first pressed, the start of hot water discharge is instructed. The next time you press it, you will be instructed to stop tapping.

[0020]

As described above, the switch for instructing the start and stop of hot water discharge is provided on one side inside the cover, and the arm locked to the other side of the inside is provided along the inner surface of the cover so that the tip is the switch. Since it faces the actuator of No. 2, it is possible to arrange a switch and arm with a large depth dimension or a large stroke without being interfered by the water conduit that passes through the inside of the cover, and because the elasticity of the arm gives the push button elasticity. It has an advantage that the structure is simple because there is no need to provide a spring.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

[FIG. 2] Same as above

3 is a sectional view taken along line 3-3 of FIG.

FIG. 4 is a front view of the switching member.

FIG. 5 Same as above

FIG. 6 is a plan view of a switching button

FIG. 7: Front view of valve

8 is a broken line diagram of line 8-8 in FIG.

FIG. 9 is an exploded perspective view of the inside of the cover.

[Explanation of symbols]

 2 Switching part 3 Hot water outlet 4 Cover 5 Switch 5a Operator 8 Switching button 9 Push button 13 Water conduit 20 Switching member 25 Valve 41 Arm

Claims (1)

[Scope of utility model registration request] 1. A hot water outlet switch, which is connected to the tip of a hot water outlet pipe extending from the water heater and has a hot water outlet switch for instructing the start and stop of hot water discharge, a cover for covering the water conduit (13) of the hot water outlet switch. (4), a switch (5) fixed to one side of the inner surface of the cover (4) for instructing the start and stop of tapping, and a base side is locked to the other side of the inner surface and extends along the inner surface. An arm (41) made of an elastic material whose extension (41d) is in contact with the actuator (5a) of the switch (5), and is inserted into the opening (7) provided in the cover (4) so as to be able to move back and forth.
Pushbutton inner end abuts an intermediate portion of the arm (41)
(9), and a hot water switching device.