JP2563105Y2 - Push button type handle device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push button type handle device suitable for use as a push button type handle of a self-closing valve. More specifically, the present invention relates to a push button type handle device suitably used for a shower bath faucet or the like.

[0002]

2. Description of the Related Art FIGS. 2 to 5 show an example of this type of conventional shower bath faucet. This shower bath faucet is known in Japanese Utility Model Application No. 1-358258.

[0003] The shower bath faucet 10 is a hot-water mixing faucet provided in a bathroom, and legs 14 and 16 with water stopcocks are attached to a water supply pipe and a hot water supply pipe provided inside a wall 12. The faucet body 18 is connected to the leg 14 with a water stopcock. A mixing valve (not shown) is provided in the faucet main body 18, so that water from the leg 14 with the water stopcock and hot water from the leg 16 with the hot water stopcock can be respectively introduced into the mixing valve. It has been. The mixed water outflow side of the mixing valve is connected to a shower water outlet 20 and a bath water outlet 2 through a shower flow path and a bath flow path.
It leads to 2.

Self-closing valves 24 and 26 are provided in the shower flow path and the bath flow path, respectively. When the handles 24A and 26A are pressed, a required amount of hot water is supplied from the shower water outlet 20 and the bath water outlet 22. Will be leaked. By turning the temperature control handle 32, the discharge water temperature can be adjusted.

[0005] A shower block 34 is connected to the upper side of the faucet body 18, and a curan block 36 is connected to the lower side.

Reference numeral 38 denotes a partition wall provided in the curran block 36, and an opening 40 for water passage is formed. A valve body 44 with a rubber packing 42 is attached to a rod 46 so as to come into contact with and separate from the upstream edge of the opening 40.

[0007] A flanged nut 48 for preventing the valve body 44 from coming off is fixed to the tip of the rod 46, and a rubber packing 50 is mounted on the nut 48. And the inner peripheral surface of the center hole of the valve body 44. Rod 46
Is provided with a flange 52 for pushing down the valve body 44.

The valve body 44 is slidably fitted in a cylinder member (hereinafter abbreviated as cylinder) 54. The cylinder 54
Is screwed into the mounting port 56 of the curan block 36, and is provided with a working chamber 58 of the valve body 44 and a relay chamber 60 for introducing water pressure into the working chamber 58. Reference numeral 62 denotes an end face concave hole 6 of a cylinder 54 for forming the relay chamber 60.
4 shows a plug screwed.

The relay chamber 60 and the working chamber 58 communicate with each other through a small hole 66. A shaft 68 is loosely fitted in the small hole 66, and a minute gap is formed between the inner peripheral surface of the small hole 66 and the outer peripheral surface of the shaft 68, through which water flows. I do. The relay room 60 and the water channel in the curan block 36 are communicated with each other by a guide hole 70. Working chamber 58
A spring 72 is installed in the inside, and the valve body 44 is brought into close contact with the edge of the opening 40 by urging the nut 48 in the upper left direction in FIG.

A cylindrical projection 74 is provided on the upper surface of the callan block 36, and a guide cylinder 7 is provided in the projection 74.
6 is screwed.

The handle 26A is provided with an outer case 26.
a and a inner shell 26b. A cylindrical decorative case 2 is provided below the outer case 26a.
6d is externally fitted, as shown in FIG.
6d, a screw 26e is screwed through the outer case 26a and the inner case 26b. The case 26a, 26b, 26c is integrated with the screw 26e. Outer case 26a and inner case 26
An O-ring 77 is interposed between the first and second b. The O-ring 77 is fitted in a groove 77a provided on the outer peripheral surface of the inner case 26b, and is in close contact with the inner peripheral surface of the outer case 26a.

The inner case 26b is attached to the guide cylinder 76.
Is slidably fitted inside. The cylindrical portion 26c
An internal thread is engraved on the inner peripheral surface of the, and a screw body 78 is screwed therein. Reference numeral 80 denotes a spring which biases the handle 26A in the upper left direction in FIG. The inner case 2
An elongated window hole-like slit 82 is formed in 6b, and the pin 84 is engaged with the slit 82 to prevent the handle 26A from rotating and guide the movement in the axial direction. In addition, the pin 84 passes through the cylindrical cover 86 and is screwed to the convex portion 74. The cylindrical cover 86 is fitted on the projection 74, and the outer peripheral surface of the cylindrical cover 86 is slidable with the inner peripheral surface of the inner case 26b. Reference numeral 88 denotes a seal packing, and 90 denotes a packing presser.

In the self-closing valve 26, a handle 26
When A is pushed, the rod 46 is pushed down via the screw body 78. Then, the valve body 44 is pushed by the flange 52 of the rod 46 to separate from the partition wall 38, the opening 40 is opened, and the outflow of water starts. Further, with the movement of the valve body 44, the water in the working chamber 58 flows out into the curran block 36 through the small hole 66, the relay chamber 60 and the guide hole 70.

When the hand is released from the handle 26A, the handle 26A returns to the position shown in FIG. The valve body 44 and the rod 46 also attempt to return to the position shown in FIG. 1 by the urging force of the spring 72, but within the working chamber 58, through a narrow gap between the small hole 66 and the shaft 68, a very small flow rate As the water flows in, the valve body 44 slowly moves in the upper left direction in FIG. 1 at a speed corresponding to the minute inflow speed of the water. Eventually the valve body 44 (packing 42)
Abuts against the partition wall 38, the opening 40 is closed, and the water is stopped.

The reference numeral 92 in FIG.
Is a cap nut attached to the outlet 22 of the
Holding.

The self-closing valve 24 has the same configuration as the self-closing valve 26. When the handle 24A is pressed, the shower water outlet 20 is opened.
Then, after the water is started and the hand is released from the handle 24A, the water is automatically stopped after a required time.

[0017]

[Problems to be Solved by the Invention] The above conventional handle 2
6A, the case 26a, 2
Although the screws 6b and 26d are integrated, there is a problem that the screw 26e is easily lost when the handle is assembled.

That is, by turning the screw body 78 to move forward or backward, the position of the rod 46 is adjusted and the duration of water discharge is adjusted. When turning the screw body 78, the screw 26e must be removed. It is necessary to remove the outer case 26a from the inner case 26b, and then remove the pin 84 to remove the inner case 26b from the projection 74. Conversely, after turning and adjusting the screw body 78, the screw body e is assembled in the reverse order, and finally the screw 26e is tightened.

The screw 26e is attached to the lower side of the handle 26A so as to be inconspicuous to the user of the faucet. It is not easy to match the screw holes. In addition, screw 26e in the first place
Itself small. For this reason, there is a problem that the fastening workability of the screw 26e is poor, and the screw 26e dropped from the hand falls into the drain of the bathroom.

[0020]

According to the present invention, there is provided a push-button-type handle device comprising: a cylindrical convex portion having a rod inserted in an axial direction; a cylindrical cover externally fitted to the convex portion; And a handle for pressing the rod, which is slidably fitted to the cover in the axial direction, the handle has a double shell structure of an outer case and an inner case,
An inner peripheral surface of the inner case is in sliding contact with an outer peripheral surface of the cylindrical cover, and a slit is provided in the inner case in a direction parallel to the axis, and penetrates the cylindrical cover. A push button-type handle device in which an O-ring is interposed between an inner peripheral surface of the outer case and an outer peripheral surface of the inner case, wherein a rear portion of the pin fixed to the convex portion is engaged with the slit. In the inner peripheral surface of the outer case, a concave groove is provided in a direction parallel to the axis, and a rear portion of the pin is engaged with the concave groove. A peripheral groove is provided on both the peripheral surface and the outer peripheral surface of the inner case, and the O-ring is fitted into both peripheral grooves.

[0021]

[Function] In the push button type handle device of the present invention,
The rear end of the pin is engaged with the concave groove on the inner surface of the outer case to prevent the outer case from rotating. The inner case is also prevented from rotating due to the pin engaging the slit.

The O-ring is fitted into the circumferential grooves provided on the inner peripheral surface of the outer case and the outer peripheral surface of the inner case, thereby preventing the outer case from coming off.

As described above, since the outer case is prevented from turning and coming off by the pins and the O-rings, the conventionally used screws for connecting the outer case and the inner case are unnecessary.

[0024]

An embodiment will be described below with reference to FIG.

In this embodiment, the handle 26A includes an outer case 26a and an inner case 26b, and does not use the conventional decorative case 26d. The outer case 26a is provided with a groove 96 in a direction parallel to the axis of the handle 26A, and the rear end of the pin 84 is engaged with the groove 96.

A circumferential groove 77b is also provided on the inner peripheral surface of the outer case 26a so as to face the groove 77a on the outer peripheral surface of the inner case 26b, and the O-ring 77 is fitted in both grooves 77a, 77b. I have.

The other structure is the same as the conventional example shown in FIG. 4 except that the decorative case 26d and the screw 26e are not used.

In the push button type handle device of the present embodiment, the rear end of the pin 84 engages with the concave groove 96 on the inner surface of the outer case 26a, so that the outer case 26a is formed.
Is stopped. The inner case 26b is also prevented from rotating by the pin 84 being engaged with the slit 82. Also, the outer case 26a
The O-ring 77 is fitted into the grooves 77a and 77b provided on the inner peripheral surface of the inner case 26 and the outer peripheral surface of the inner case 26b, respectively, thereby preventing the outer case 26a from coming off. As described above, the pin 84 and the O-ring 77 prevent the outer case 26a from rotating and retaining, so that the conventionally used screws 26e for coupling the outer case 26a and the inner case 26b are unnecessary. Therefore, the handle 26A can be extremely easily disassembled and assembled. In order to disassemble the handle 26A, the outer case 26a may be pulled strongly, and then the pin 84 may be removed. Conversely, in order to assemble the handle 26A, after mounting the inner case 26b in the recess 74,
The pin 84 is screwed into the recess 74 and then the O-ring 77
The attached outer case 26a may be firmly fitted into the inner case 26b. Note that the O-ring 77 may be fitted in the groove 77a of the inner case 26b in advance.

In this embodiment, a notch 98 is formed at the lower end of the groove 96 in the edge of the outer case 26a in order to facilitate the alignment between the groove 96 and the pin 84. Provided. Insert this notch 98 into pin 8
By fitting the outer case 26a to the inner case 26b so that the outer case 26
a can be fitted into the inner case 26b very easily.

[0030]

As described above, according to the push button type handle device of the present invention, the outer case and the inner case can be extremely easily connected, and the disassembly and assembly thereof are extremely easy.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view showing an apparatus according to an embodiment.

FIG. 2 is a side view of a conventional shower bath faucet.

FIG. 3 is a front view of a conventional shower bath faucet.

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a sectional view taken along the line 5-5 in FIG. 3;

[Explanation of symbols]

 26 Handle 26a Outer case 26b Inner case 46 Rod 77 O-ring 77a, 77b Groove 84 Pin 86 Cylindrical cover 96 Concave groove 98 Notch

Claims (1)

(57) [Scope of request for utility model registration] 1. A cylindrical convex portion through which a rod is inserted in an axial direction, a cylindrical cover externally fitted to the convex portion, and an external fit slidably in the axial direction on the cylindrical cover. Done,
A handle for pressing the rod, wherein the handle has a double shell structure of an outer case and an inner case, and an inner peripheral surface of the inner case is in sliding contact with an outer peripheral surface of the cylindrical cover. The inner case has a slit extending in a direction parallel to the axis, and a rear portion of a pin that passes through the cylindrical cover and is fixed to the convex portion engages with the slit. A push-button-type handle device in which an O-ring is interposed between an inner peripheral surface of the outer case and an outer peripheral surface of the inner case, the inner peripheral surface of the outer case being parallel to the axis. A groove is provided on the inner case of the outer case and an outer circumferential surface of the inner case for installing the O-ring.
A push button type handle device wherein a ring is fitted in both of the circumferential grooves.