JP2517391Y2 - Jet switching valve - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jet flow switching valve used for switching jets in a jet bath or the like.

[0002]

2. Description of the Related Art A conventional jet flow switching valve is constructed as shown in FIG. A valve body 2 is rotatably installed in a lower portion of a cylindrical casing 1, and by rotating the valve body 2, a jet flow flowing from an inflow port 3 can be switched to a plurality of outflow ports 4. There is. An operating knob 5 for rotating operation is arranged outside the opening opposite to the inlet 3 of the casing 1, and the operating knob 5 and the valve body 2 are connected by a valve shaft 6. A bearing 8 for bearing-supporting the valve body 2 and the valve shaft 6 is provided inside the casing 1, and is fixed to a ring locking groove 10 of the casing 1 to prevent the bearing 8 from moving in the direction of the operation knob 5. The C ring 9 is fitted and fixed, and the end portion of the bearing 8 is locked to the fixing C ring 9.

[0003]

In this conventional example, the bearing 8 is fixed by the fixing C ring 9.
When an unskilled worker assembles the structural C-ring 9 for locking the fixing C-ring 9 in the ring-locking groove 10 of the casing 1, the fixing C-ring 9 does not stop properly in the ring-locking groove 10 when assembled by an unskilled worker. If the fixing C ring 9 is not stopped properly, there is a risk that the valve body 2 and the bearing 8 may come off when the dynamic pressure of the jet flow is applied to the valve body 2.

The present invention has been made in view of the above problems, and an object of the present invention is to prevent the valve element and the bearing from coming off even if the fixing C-ring is not securely fixed. It is to provide a jet flow switching valve that can be prevented.

[0005]

In order to achieve the above object, the jet switching valve of the present invention has a valve body 2 rotatably mounted in a casing 1 of the switching valve, and an operating knob rotatably provided outside the casing 1. 5 and the valve body 2 are connected by the valve shaft 6,
A bearing 8 for rotatably supporting the valve body 2 and the valve shaft 6 is provided in the casing 1, and a fixing C ring 9 is fitted in the casing 1 to fix the end of the bearing 8 on the operation knob 5 side to the fixing C. The bearing 8 was fixed by being locked to the ring 9, and the auxiliary fixing C ring 11 was fitted and fixed in the casing 1 on the operation knob 5 side of the fixing C ring 9.

[0006]

By fixing the auxiliary C ring 11 by fitting the auxiliary C ring 11 into the casing 1 on the side of the operation knob 5 with respect to the fixing C ring 9, even if the fixing C ring 9 is insecurely fixed, Even if it comes off, the risk of the valve body 2 and the bearing 8 coming off and popping out can be prevented by the auxiliary fixing ring 11. Further, the auxiliary fixing ring 11 is fitted and attached to the opening side of the casing 1 with respect to the fixing C ring 9, so that the auxiliary fixing ring 11 can be properly fixed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A casing 1 is formed in a tubular shape, an inlet 3 is provided at the lower end, and outlets 4 are provided at the lower left and right. A valve body 2 is rotatably provided in a lower portion of the casing 1, and by rotating the valve body 2, a jet flow flowing in from an inflow port 3 is switched to be discharged from an outflow port 4. From the opening at the top of the casing 1 to the valve shaft 6
And the lower end of the valve shaft 6 is connected to the valve body 2. A bearing 8 that rotatably supports the valve body 2 and the valve shaft 6 is provided inside the casing 1. 13 in the figure
Is an O-ring. Ring locking grooves 10 and 12 are provided on the inner surface of the casing 1. The fixing C ring 9 is fitted into and attached to the ring locking groove 10, and the end of the bearing 8 is locked to the fixing C ring 9. An auxiliary fixing C-ring 11 is fitted into and attached to a ring locking groove 12 located above the ring locking groove 10. As a result, the auxiliary fixing C-ring 11 is positioned above the fixing C-ring 9 with a space. When attaching to the flange 14 of the bathtub, the upper portion of the casing 1 is inserted into the flange 14, and the male screw portion 19 on the outer periphery of the casing 1 is attached to the flange 1.
An upper nut 15 and a lower nut 16 are screwed and fixed on the upper and lower sides of 4. A cosmetic cover 17 is provided at the top opening of the casing 1.
Is attached and attached, and the operating knob 5 is attached to the valve shaft 6 projecting upward from the decorative cover 17 with the attaching screw 18.

By rotating the operating knob 5, the valve body 2 can be rotated via the valve shaft 6 to switch the jet flow flowing from the inflow port 3 to the outflow port 4. Even if the fixation of the fixing C ring 9 is uncertain at the time of assembly, the auxiliary fixing C ring 11 is positioned above the fixing C ring 9 to reliably prevent the valve body 2 and the bearing 8 from coming out upward it can.

[0009]

As described above, according to the present invention, the fixing C-ring is fitted in the casing, and the end portion of the bearing on the operation knob side is locked to the fixing C-ring to fix the bearing.
C for auxiliary fixing in the casing on the side of the operation knob from the ring
Since the ring is fitted and fixed, even if the fixation of the fixing C ring is uncertain, the auxiliary fixing C ring reliably prevents the valve body and bearing from coming off, and the valve body and bearing may fly out. It is possible to prevent the sex.

[Brief description of drawings]

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

FIG. 2 is a half sectional view of a conventional example.

[Explanation of symbols]

 1 Casing 2 Valve body 5 Operation knob 6 Valve shaft 8 Bearing 9 Fixing C ring 11 Auxiliary fixing C ring

Claims (1)

(57) [Scope of utility model registration request] 1. A switching valve casing has a valve body rotatably mounted therein, and an operation knob rotatably provided outside the casing and a valve body are connected by a valve shaft, and the valve body and the valve shaft are provided inside the casing. The bearing that rotatably supports is installed inside, the fixing C ring is fitted in the casing, the end of the bearing on the operation knob side is locked to the fixing C ring, and the bearing is fixed, and the bearing is operated from the fixing C ring. Jet flow switching valve in which a C ring for auxiliary fixing is fitted and fixed in the casing on the knob side.