CN101701637A - Rotating and switching device - Google Patents

Abstract

The invention discloses a rotating and switching device, comprising a water inlet, a valve body, a spool, an outer pipe sleeve and an operational handle, wherein the valve body is provided with two inlet openings which are arranged at regular intervals up and down, a first water route and an installation hole which is communicated between the upper inlet opening and the first water route; the spool is arranged in the installation hole of the valve body in a sealing and rotating manner and can rotate between the first position and the second position; the spool is provided with an external rotation surface which is provided with an arc-shaped groove; the bottom surface of the spool is provided with a second water route, when the spool is positioned in the first position, the arc-shaped groove gets through the upper inlet opening and the first water route, the lower water inlet is staggered with the external port of the communication hole; and when the spool is in the second position, the lower water inlet aligns with and gets through the external port of the communication hole; and the arc-shaped groove is staggered with the first water route.

Description

rotary switch

technical field

The invention relates to a shower device, in particular to a rotary switching water outlet device.

Background technique

When the shower device is used daily, the switching of the water outlet effects of different waterways can enhance the convenience, practicability and interest of use. 》The utility model relates to a bathroom appliance that can automatically switch the waterway between the shower and the bathtub faucet. It uses a diverter valve. In the normal state, the shower switch is in the closed state. When the button is pressed, the valve plug is released. At the water inlet, the shower switch is turned on, and the water flows directly from the shower, while the bathtub faucet automatically stops the water outlet, and after the shower switch is turned off, the water flows out from the bathtub faucet again. The automatically switchable shower and bathtub faucet can be switched between two waterways, but its structure is relatively complicated, and two switches need to be provided respectively at the bathtub faucet and the shower, and the production cost is correspondingly increased.

Contents of the invention

The invention provides a rotary switching device, which overcomes the disadvantage that the shower appliance in the background technology requires multiple water outlet switches.

The technical solution adopted by the present invention to solve its technical problems is:

A rotary switching device comprising:

A valve body, which has two water inlet holes arranged at intervals up and down, a first waterway and a mounting hole connected between the upper water inlet hole and the first waterway;

A spool, which can be sealed and rotatably installed in the installation hole of the valve body and rotate between the first position and the second position, the spool has an outer rotary surface, and an arc-shaped Groove, the bottom surface of the valve core is recessed with a second waterway, and a communication hole is opened on the outer rotating surface of the valve core. external port;

Wherein, when the spool is at the first position, the arc-shaped groove connects the upper water inlet and the first waterway, and the lower water inlet is staggered with the port outside the communication hole; when the spool is at the second position, the lower The water inlet and the port outside the communication hole are aligned and communicated, and the arc-shaped groove is staggered from the first water channel.

In a preferred embodiment, it also includes a water inlet pipe, which is connected to the valve body and communicates with the two water inlet holes.

In a preferred embodiment, an assembly groove is recessed on the outer rotating surface of the valve core, an elastic member and a sealing member pressed outward by the elastic member are installed in the assembly groove, and the assembly groove is located on the outer Swivel surface.

In a preferred embodiment, the assembly groove is arranged in the center of the outer surface of revolution opposite to the arc-shaped groove, and the center of the assembly groove and the center of the arc-shaped groove are located on the same axial plane.

In a preferred embodiment, the axis of the spool is perpendicular to the valve body, and the port outside the communication hole is opposite to the assembly groove in axial projection.

In a preferred embodiment, a first positioning hole relative to the first position and a second positioning hole relative to the second position are provided on the valve core, and an elastic body and an elastic body top are arranged on the valve body. The locating pin of abutment, this locating pin is selectively inserted into the first locating hole and the second locating hole.

In a preferred embodiment, it also includes an outer sleeve and an operating handle, the operating handle is fixedly connected to the lower end of the valve core, the outer sleeve is sleeved outside the valve core and its upper and lower ends can be rotatably connected to the valve body and operating handle.

Compared with the background technology, this technical solution has a simpler structure and does not need to install more switches at different water outlets. When in use, just rotate the valve core or the operating handle to switch between different waterways, without the need for users to operate on the valve body , no need for users to switch with feet (since the general valve body is located at a higher position); the valve body of the switching unit is closely matched with the valve core, and the arc groove is used to connect the first waterway and the upper water inlet hole, or, the connection hole is used to connect Through the second waterway and the lower water inlet hole, the design is ingenious, which can effectively selectively conduct or stagger each waterway to achieve different water outlet functions.

Description of drawings

The present invention will be further described below in conjunction with drawings and embodiments.

Fig. 1 is one of the exploded views of the rotary switching device provided by the preferred embodiment of the present invention.

Fig. 2 is the second exploded view of the rotation switching device provided by the preferred embodiment of the present invention.

Fig. 3 is a cross-sectional view of the rotary switching device provided by the preferred embodiment of the present invention, at this time, the first water channel is flowing out.

Fig. 4 is a cross-sectional view along line AA of the rotary switching device provided by a preferred embodiment of the present invention, at this time, water is flowing out of the first water channel.

Fig. 5 is a cross-sectional view of the rotary switching device provided by the preferred embodiment of the present invention, at this time, the second water channel is flowing out.

Explanation of reference signs:

Valve body-100; first and second water inlet holes-110, 120; first waterway-130; installation hole-140; 230; communication hole-240; inner port-241; outer port-242; assembly groove-250; elastic member-251; seal member-252; first and second positioning holes-260, 270; -290; Inlet pipe -300; Outer sleeve -400; Operating handle -500; Head shower -600; First and second outlet pipes -700, 800; Sealing ring -O

Detailed ways

Please refer to FIG. 1 to FIG. 5 , which are the rotation switching device provided by the preferred embodiment of the present invention.

Combining FIG. 1 and FIG. 2 , it is an exploded view of the rotation switching device provided by this preferred embodiment.

The rotary switching device includes a valve body 100 , a valve core 200 , a water inlet pipe 300 , an outer sleeve 400 , and an operating handle 500 .

The valve body 100 has first and second ports axially away from each other, which are respectively connected to a water inlet pipe 300 and the first water outlet pipe 700, and the third port on the bottom surface is fixedly connected to the second water outlet pipe 800; The first and second water inlet holes 110 and 120 are provided on the connected end faces of the water pipes 300, and a first water channel 130 along the first water outlet pipe 700. The valve body 100 also has a mounting hole 140 connected to the first Between the water inlet hole 110 and the first waterway 130 .

The spool 200 is rotatably mounted in the mounting hole 140 in the first and second positions in a sealed manner, and a sealing ring O may be provided at the connection between the two as required.

The spool has a spool head and a second outlet pipe 800, the spool head has an outer rotary surface 210, and an arc-shaped groove 220 is provided on the outer rotary surface 210, and the arc-shaped groove 220 refers to the shaft projected into an arc. The center of the bottom surface of the valve core 200 is concavely provided with a second waterway 230 , and the outer rotating surface 210 of the valve core 200 is also concavely provided with a communication hole 240 , the communication hole 240 includes an outer port 242 capable of communicating with the water inlet pipe 300 , and an inner port 241 communicates with the second waterway 230 .

The outer rotary surface 210 is provided with an assembly groove 250. The assembly groove 250 is located in the center of the outer rotary surface 210 opposite to the arc groove 220. The center of the assembly groove 250 and the center of the arc groove 220 are located on the same axis. On the face side, the fitting groove 250 includes a seal 252 and an elastic body 251 abutting against it. In this embodiment, the seal 252 is a gasket, and the elastic body 251 can be a spring.

The first and second positioning holes 260 and 270 are provided on the end face of the valve core 200 connected with the first waterway, and a positioning mechanism is selectively inserted into the first and second positioning holes 260 and 270. The positioning mechanism includes an elastic The body 280 and a positioning pin 290 are pushed against by the elastic body 280, and the end of the positioning pin is arranged in a hemispherical shape.

In order to make the waterway switch smoothly through rotation, the axis of the valve core 200 is perpendicular to the valve body 100 , and the external port 242 of the communication hole 240 and the assembly groove 250 are opposite in axial projection.

The water inlet pipe 300 is connected to the valve body 100 and connected to the first water inlet hole 110 and the second water inlet hole 120;

The outer sleeve 400 , which covers the second water outlet pipe 800 , has an upper end that is rotatably connected to the valve body, and a lower end that is rotatably connected to the operating handle 500 . Should

The operating handle 500 is fixedly connected to the lower end of the second water outlet pipe 800 .

The first water outlet pipe 700 and the operating handle 500 are respectively connected to two water outlet functions.

Referring to Fig. 3, Fig. 4 and Fig. 5, the water outlet principle of a rotary switching device in this embodiment is as follows:

When the valve core 200 is at the first position, the positioning pin 290 is inserted into the first positioning hole 260, and the positioning pin 290 is pressed by the elastic body 280 to fix the valve core 200 so that it stops rotating. At this time, The first water inlet hole 110 is connected to the water inlet pipe 300, and the arc groove 220 is connected to the first water inlet hole 110. The water flow enters the first water inlet hole 110 along the water inlet pipe 300 and flows along the The arc-shaped groove 220 communicates with the first waterway 130, and then passes through the first water outlet pipe 700 where the first waterway 130 is located, and finally the water comes out from the head shower 600. At this time, the outer port 242 of the communication hole 240 is connected to the The second water inlet hole 120 is staggered so that the second waterway 230 does not produce water;

Rotate the operating handle 500 to rotate the valve core 200 to the second position. At this time, the positioning pin 290 is pulled out from the first positioning hole 260 and then inserted into the second positioning hole 270. The positioning pin 290 is pressed by the elastic body 280 to fix the valve core 200 to stop its rotation. At this time, the sealing body 252 seals the first waterway 130 under the cooperation of the elastic body 251, so that the first waterway 130 does not water outlet; the second water inlet 120 is in communication with the water inlet 300, and the outer port 242 is in communication with the second water inlet 110, and the water flows along the water inlet 300 into the second water inlet 120 and the The outer port 242 (communication hole) communicates with the second waterway 230, and then passes through the second water outlet pipe 800 where the second waterway 230 is located;

Similarly, by continuing to rotate the operating handle 5000, the first and second water channels 130, 230 can be switched to achieve different water outlet functions.

The above is only a preferred embodiment of the present invention, so the scope of the present invention cannot be limited accordingly, that is, the equivalent changes and modifications made according to the patent scope of the present invention and the content of the specification should still be covered by the present invention within range.

Claims (7)

1. The rotary switching device is characterized in that it comprises: A valve body, which has two water inlet holes arranged at intervals up and down, a first waterway and a mounting hole connected between the upper water inlet hole and the first waterway; A spool, which can be sealed and rotatably installed in the installation hole of the valve body and rotate between the first position and the second position, the spool has an outer rotary surface, and an arc-shaped Groove, the bottom surface of the valve core is recessed with a second waterway, and a communication hole is opened on the outer rotating surface of the valve core. external port; Wherein, when the spool is at the first position, the arc-shaped groove connects the upper water inlet and the first waterway, and the lower water inlet is staggered with the port outside the communication hole; when the spool is at the second position, the lower The water inlet and the port outside the communication hole are aligned and communicated, and the arc-shaped groove is staggered from the first water channel. 2. A rotary switching device according to claim 1, characterized in that it further comprises a water inlet pipe connected to the valve body and connected to the two water inlet holes. 3. A rotary switching device according to claim 1, characterized in that: an assembly groove is recessed on the outer rotating surface of the valve core, and an elastic member and an elastic member are installed in the assembly groove to push outward. Arrived seal, the assembly groove is located on the outer rotary surface. 4. A rotary switching device according to claim 3, characterized in that: the assembly groove is set in the center of the outer turning surface opposite to the arc-shaped groove, and the center of the assembly groove and the center of the arc-shaped groove are located on the same axial plane. 5 . The rotary switching device according to claim 1 , wherein the axis of the valve core is perpendicular to the valve body, and the external port of the communication hole and the assembly groove are opposite to each other in axial projection. 6 . 6. A rotary switching device according to claim 1, wherein a first positioning hole relative to the first position and a second positioning hole relative to the second position are opened on the valve core, and the valve body An elastic body and a positioning pin abutted by the elastic body are arranged on it, and the positioning pin is selectively inserted into the first positioning hole and the second positioning hole. 7. A rotary switching device according to claim 1, further comprising an outer sleeve and an operating handle, the operating handle is fixedly connected to the lower end of the valve core, and the outer sleeve is sleeved on the valve core The upper and lower ends can be rotatably connected to the valve body and the operating handle respectively.

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