JPH03209084A - Composite valve - Google Patents

Abstract

PURPOSE:To carry out change-over and open-close action in one mechanical motion by providing a fluid inlet port and two lines of drain passages, and by devising the top edge of a valve rod of a change-over valve to open and close each of the drain passages to work as a piston with a rotary cam. CONSTITUTION:A cylindrical body 2 with a water intake passage 3 of a composite valve 1 is set on a lower block 5 with change-over valve units 7, 8. Valve chambers 7a, 8a of each of the change-over valve units 7, 8 are connected through to fluid inlet ports 7b, 8b and connected to water intake passages 7d, 8d through valve seats 7c, 8c. And they are connected to drain passages 7f, 8f. When a cam member 13 is rotated with a lever 5a and a cam operating member 15, an irregular cam surface 14 is engaged with valve rods 9b, 10b and controls the change-over valve units 7, 8 to open and close. Consequently, it is possible to control change-over and opening-closing of the change-over valve units in a single mechanical motion and to easily change-over two liquids.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a composite valve for controlling the opening and closing of a plurality of fluid passages in one operation, and in particular to a continuous valve that electrolyzes water to produce alkaline ionized water and acidic water. This invention relates to a composite valve suitable for switching the flow paths of the supply and drain circuits of a flow-through type electrolytic water conditioning device.

[Problem to be solved by the invention]

Continuous water flow electrolysis water conditioning equipment that electrolyzes water to produce alkaline ionized water and acidic water has valves installed in the supply channel, alkaline water channel, and acidic water channel, and various water circuits are configured depending on the purpose. It has become so.

However, in the past, individual valves installed in each flow path were switched using their own actuating means, which made switching the valves for the entire circuit complicated, and when trying to electrically synchronize the valves, it was difficult to switch them. The device becomes complicated and costs increase.

Therefore, the main object of the present invention is to provide a compact composite valve that can switch and open/close a plurality of flow paths with a single mechanical operation, and can configure various water circuits.

A second object of the present invention is to provide a composite valve that switches and controls the opening and closing of a water supply channel, an alkaline water discharge channel, and an acidic water discharge channel of an electrolyzed water generating device with a single touch.

Further, a third object of the present invention is to enable a plurality of valve units constituting a composite valve to be operated from the outside using an operation lever, and to set the engagement position of the lever relative to the valve body at an arbitrary rotational position. The object of the present invention is to provide the above composite valve which can be changed.

A fourth object of the present invention is to provide a composite valve in which power supply to an electrolytic cell is automatically controlled in relation to the operation of the valve unit group.

[Means to solve the problem]

As a means for achieving the above-mentioned main object of the present invention, the present invention has a pipe body having a water intake passage formed in the axial direction; a plurality of switching valve units that selectively open and close these two systems of fluid discharge passages with a valve member having one end slidably protruding to the outside; The water intake pipe body is integrally assembled so as to communicate with the water intake passage of the pipe body, and is disposed on the distal end side of the valve rods protruding from each valve unit, and engages with the distal ends of the valve rods to piston-actuate the valve member. This is because we have established

The second object of the present invention is to have a pipe body with a water intake passage formed in the axial direction; a plurality of switching valve units that selectively open and close these two systems of fluid discharge passages with freely protruding valve members; such that the water intake side fluid discharge passage of each switching valve communicates with the water intake passage of the pipe body; another on-off valve unit that opens and closes an internal passage with a valve member having a fluid inlet and an outlet and one end of which is slidably protruded to the outside, is integrally coupled in parallel with the switching valve unit; This is achieved by a composite valve in which a four-turn cam member is provided on the distal end side of the valve rod protruding from each valve unit, and engages with the distal end of the valve rod to piston-actuate each valve member.

The third object of the present invention is to provide the above-mentioned composite valve, in which a tubular operating member having a rotary lever is rotatably fitted to the outside of the water intake pipe, and a lower part of the tubular operating member is connected to the intake pipe. A tubular operating member is integrally engaged with the inner circumferential wall of the water pipe body, and protrudes from a casing that covers the valve unit and the four-turn cam member, and this tubular operating member is fitted on the outside of the tubular operating member. This is achieved by

In this case, it is preferable that the tubular operating member (6) with a lever rotation position indicator, the tubular operating member with a lever rotation position indicator, and each contacting surface of the casing be attached and detached by means of a concave-convex engagement groove formed in the axial direction. A pin insertion hole for determining a reference position is formed in the casing and the water intake pipe so that they can be freely fitted together.

This is achieved by disposing a signal generating device nearby, and providing an operating member on the water intake pipe body that turns the signal generating device ON/OFF in conjunction with the opening/closing operation of the switching valve unit and/or the water supply valve unit. be able to.

[Action of the invention]

Since a plurality of valve units are operated in the water intake pipe body, by designing the cam surface according to the purpose, the plurality of valve units are operated in a related manner, and a fluid circuit of a scale mode is selectively configured. .

In particular, the one that uses two switching valve units; when used to switch the flow path of a pair of drainage channels in the U-dissolved water generator,
Intake and drainage routes for alkaline water and acidic water can be configured selectively, and circuits according to purposes such as purified water usage routes and cleaning circuits can be configured with a single touch.

Furthermore, in the case of a device having two switching valve units and a water supply valve unit, the supply channel and the pair of discharge channels of the electrolyzed water generating device are switched and controlled in association with each other.

For example, if the cam surface of the water intake pipe body is configured as shown in FIG. 5, various circulation circuits as shown in FIGS. 4a to 4d will be opened in the electrolyzed water generating apparatus.

Furthermore, by fitting a tubular operating member having a lever into the water pipe body and engaging the lower part of the tubular operating member with a cam member, the valve unit group within the valve case can be operated from the outside with one touch according to a predetermined opening/closing operation.

If the contact surfaces of the casing and the tubular operating member with the rotational position indications of the blue operating member and rotary valve member are engaged with each other with axial unevenness, the operating member and the operating member are not fitted. You can pull it out from the valve body, change the lever position to the other direction, and reinstall it.

Furthermore, when these composite valves are provided with a signal generating device such as a switch, the power supply to the electrolytic cell is automatically turned on and off in connection with the switching operation of the valve.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

FIGS. 1a and 1b show a first embodiment of the present invention. As shown in FIG. It is fitted liquid-tightly into a mounting hole 6 formed in the center of the lower block 5.

A lower block 5 forming a part of the casing 4 has a plurality of (two in the figure) switching valve units 7, 8 built in parallel around the tube body 2.

The valve chambers 7a and 8a of each valve unit 7 and 8 are connected to the first valve chamber 7a and 8a.
It communicates with the respective fluid inlets 7b, 8b shown in Figure b, passes through the upper valve seats 7c, 8c of the valve chambers 7a, 8a, and penetrates the block 5 to communicate with the water intake passage 2 of the pipe body 3. Intake channels 7d, 8d and lower valve seats 7 of valve chambers 7a, 8a
They communicate with drainage channels 7f and 8f passing through drains e and 8e, respectively.

Each valve unit 7, 8 has a valve body 9 in its hollow interior.
a, ]Oa and valve rods 9b, 10b are integrally connected to each other. The valve members 9 and 10 selectively open and close the intake channels 7d and 8d and the drain channels 7f and 8f by moving downward in the valve chambers 7a and 8a. The rods 9b, 10b have their distal ends protruded toward the valve units 7, 8 by the biasing force of a spring l1, and are slidably fitted in the rods 9b, 10b. In addition, 12 is a bellows packing for maintaining liquid-tightness between the valve rods 9a, 10b and the inner wall of the valve unit.

In this way, the pipe body 2 and the valve unit 7.8 are integrally constructed such that the intake channels 7d, 8d of the valve units in the valley communicate with the water intake passage 3 of the pipe body 2.

Furthermore, these valve ports 9b are attached to the distal ends of the valve rods 9b and 10b protruding from the valve units 7 and 8. The water intake pipe body 13 is provided in the form of a disk, which engages with the tip of the valve member 9.10 to actuate the valve member 9.10 in an upward and downward piston manner.

In the example shown in the figure, the water intake pipe body 13 is horizontally supported around the pipe body 2 so as to be freely rotatable, and has valve rods 9b, 10b on the same surface (lower surface in the figure) as the valve rods 9b, 10b. A concave and convex cam surface 14 is formed which engages and moves the valve rods 9b, 10b up and down by rotation.

The water intake pipe body 13 can be rotated from outside the casing 4 by manual or electric operating means. In the illustrated embodiment, a hollow cam operating member 15 having an operating lever 15a on the upper part is rotatably fitted on the outside of the pipe body 2, and its tip is integrally fixed to the water intake pipe body 13, and the lever is The cam member 13 is rotated by the cam member 15a.

In addition, in the illustrated embodiment, a water intake faucet (
(not shown), and in that case, it is desirable that the lever μ portion l5b be rotatably supported by the faucet mounting block 2' with a certain degree of moderation. In this case, the composite valve of the present invention is used as a faucet with a valve.

However, the operation means of the water intake pipe body is not limited to the above structure, and the cam member may be directly driven in the same direction.
Further, the operating handle of the cam member may be made to protrude from the -L surface or side surface of the casing, and may be rotated along the slit of the casing.

Furthermore, the operation of the water intake pipe body is not limited to manual operation, but may be performed electrically via a motor, gears, or the like.

The uneven cam surface 14 of the cam member 13 is connected to the valve rods 9b and 10b.
The concave surface 1 engages with the tip of the concave surface 1 to control the opening and closing of the intake channels and drainage channels of the valve units 7 and 8, and moves the valve rods 9b and 10b to the push-up position to close the intake channels 7d and 8d.
4a and the valve rods 9b and 10b to open the drain channel 7f.
, 8f is formed.

These uneven cams 14 (a), 14 (b)
The position, arrangement, etc. of the valves are appropriately designed depending on the water circuit to be constructed by controlling the opening and closing of a plurality of valves. for example,
When the composite valve of this embodiment is used to control the switching of the alkaline water and acid water discharge channels of the electrolyzed water generating device, the two switching valve units 7 and 8 are connected to the intake channel 7b, 8b side and the drain channel 7f. , 8f sides alternately (differently) and/or the switching valve units 7 and 8 configure a circuit that simultaneously opens and closes the intake channel side and the drainage channel side. In addition, this cam member 13 requires not only a concave and convex surface that completely opens and closes these waterways, but also a cam surface that positions the valve body between the upper and lower valve seats and opens both the intake channel and the drainage channel. It may be provided accordingly.

FIGS. 2a and 2b show a second embodiment of a composite valve according to the present invention, in which a two-system switching valve unit 7,
8 is the same as the embodiment shown in FIG. 1a, but in this embodiment, in addition to the switching valves 7 and 8, a water supply valve unit 16 is assembled in the same way as shown in FIGS. In addition, the cam member 13 is provided with a cam surface that controls opening and closing of the valve member I7 of the water supply valve unit 16.

The water supply valve unit 16 has an inlet 16a from the water supply pipe and an outlet 16b to the electrolytic water conditioner, and the switching valve opens and closes the passage between the inlet 16a and the outlet 16b. The structure is similar to that of units 7 and 8.

Further, in the composite valve of this embodiment, for example, the water supply water supply channel for producing electrolyzed water is controlled to open and close by the water supply valve unit 16, and the pair of electrolyzed water discharge channels are switched and controlled by the two-system switching valve unit 7.8. This allows one composite valve to be used to operate the water supply and drainage system of the electrolyzed water generator. In this case, the cam surfaces of the water supply valve unit 16 and the switching valve units 7 and 8 are designed so that the water supply valve unit 16 and the switching valve units 7 and 8 are related to each other to form the same intended water supply and drainage passage.

Note that the sectional view taken along line II A-II A in Figure 2b is the same as that in Figure 1a, and the illustration is omitted.

FIGS. 3a and 3b further show a third embodiment of a composite valve according to the present invention, and the feature of this embodiment is that the second
The composite valve of the embodiment is further provided with a signal generating device such as a microswitch 18 near the cam member 13, and an operating member 19 for operating the switch is provided on the cam member I3. This switch operating member 1
9 may be a convex cam surface for operating the contact piece of the switch 18 like a flash, but a permanent magnet or the like may be attached to the cam member 13 depending on the type of switch.

The composite valve of the third embodiment is used to control the operation of various related devices in connection with flow path switching by the valve.

In the illustrated example, the signal from the switch 18 is used to ON-OFF control an electrolytic water conditioner of an electrolytic aquatic system.

In addition, the III/l-IIIA cross-sectional view in Figure 3b is the same as Figure 1a.
Since it is the same as the figure, it will be omitted.

FIGS. 4 to 6 show still another embodiment of the present invention, and in this embodiment, the reference mounting position of the lever 15 with respect to the valve body can be changed to a desired direction in the above-mentioned valve. It is something. That is, in this embodiment, as in the fourth factor, the tubular operating member 20 fitted on the outside of the cam operating member 15 is constructed of a separate member from the casing 4, and the tubular operating member 20 is attached to the main body of the casing 4. A hollow support part 21 for receiving the lower part is integrally provided, and
As shown in FIG. 5, the tubular operating member 20 and the hollow support portion 2l of the casing are connected to each other by spline engagement or serration engagement using an axially uneven engagement groove 22. Then, the tubular operating member 20 is attached to the hollow support part 2.
1 can be attached and detached. In addition, 20' in the figure is a fixing nut screwed onto the outer threaded portion of the tubular operating member.

Similarly, as shown in FIG. 6, the lower part of the cam operating member 15 and the inner circumferential wall of the cam member 13 are also spline-engaged at their mutually fitting portions (contact surfaces) through the axially uneven engagement grooves 23. Alternatively, the cam operating member l5 is removably engaged with the cam member l3 by serration engagement.

It is preferable that the i=ys operating member 20 has a lever rotation position indication of the cam operating member 13 attached at an appropriate position (20'' in the figure) around the side surface.

Furthermore, in the embodiment shown in FIG. 4, the casing 4 and the cam member 13
a through hole 24a for determining the reference position of the cam member 13;
, 24b are formed, and the cam member 13 can be fixed at the reference position by passing a pin 25 between the holes 24a and 24b.

Thus, in the embodiment of FIG. 4, the pin 25 connects the cam member 1.
After fixing the reference position of 3, the tubular operating member 20 and the cam operating member 13 (if the tubular body 2 and the faucet mounting block 2' are integrated, the tubular body 2 as well) are attached to the cam member 13 and the hollow support part 21. It is designed so that it can be pulled out from the valve casing 4, changed the direction of the lever relative to the valve casing 4, and inserted again.

In the embodiment shown in FIG. 4, rollers 9c and 10c are rotatably provided at the base end of each valve rod of the valve members 9, 10, etc., and the rollers are brought into rolling contact with the cam surface of the cam member 13. The piston movement of the valve member is made smooth.

Figures 7a to 7d are explanatory diagrams of the operation of the respective valves and switches for configuring the water circuit of each aspect, using the third embodiment of the present invention to control the water supply and drainage channels of the electrolyzed water generating device. FIG. 8 is a development diagram of each circuit and cam corresponding to this.

As shown in FIG. 7a, the electrolyzed water generation device introduces raw water supplied through a water supply valve from a water supply channel 26 into an electrolytic cell 28 through a water purifier 27, electrolyzes it, and then transfers alkaline water to an alkaline side discharge channel 29a. A composite of the third embodiment, in which the acidic water is passed through the acidic water discharge path 29b, and the discharge is switched to the common water intake faucet 3o and the drainage path 25 via the switching valves 7 and 8 of each discharge path. The valve is a pair (7) with the water supply valve unit 15 of the water supply channel 26 of the electrolyzed water generating device.
The switching valve units 7, 8 for the rJllis paths 29a, 29b and the voltage ON-OFF switch 18 for the electrolytic cell 28 are integrally provided, and these valve groups 15, 7.8 and the switch 18 are operated by operating the lever 15. The related operations are performed to configure a predetermined circuit.

Figure 7a shows a state in which the electrolytic generation device is stopped,
The switch 18 is turned off to stop power supply to the electrolytic cell 28, and the water supply valve unit 16 is closed.

Figures 7b and 7c show electrolysis 4'f? with switch 18 turned on. Figure 7b shows the position of the valve body when alkaline water is taken from the faucet 30 and acidic water is discarded from the drain 31.
Figure C shows the position of the valve body when the switching valve units 7 and 8 are switched to take in acidic water and discard alkaline water.

Further, Fig. 7d shows the position of the valve body when the switch 18 is turned off to stop the power supply, and the water supply valve 16 is opened to take purified water (meaning non-electrolyzed water) from the faucet 30. The valve operation shown in Fig. 7d allows purified water divided into two systems of discharge channels 29a and 29b to be taken from a common faucet 30 without waste.

FIG. 8 shows the concave and convex positions of the cam for configuring the circuits of FIGS. 7a to 7d and a developed view thereof, and the shaded part of the cam member shows the convex cam surface that presses the valve rod downward;
In addition, the hatched area in the developed view shows the state in which the valve rod of each valve is pressed down.

The method of use and operation of the composite valves of the first and second embodiments are substantially included in FIGS. 7a to 8, so their explanation will be omitted.

〔Effect of the invention〕

Since the present invention has the above configuration, a plurality of valves can be linked and switched with one touch to construct various water circuits.

In particular, in the first embodiment, various water circuits can be constructed by switching the intake channels and drainage channels of the plurality of flow channels alternately or simultaneously, so that the opening and closing of the pair of discharge channels of the electrolyzed water generator can be controlled. It is convenient for

Furthermore, since the composite valve according to the second embodiment of the present invention further includes a water supply valve unit, the entire water supply and drainage system of the electrolyzed water generating apparatus can be operated in conjunction with one touch.

Furthermore, if a switch mechanism operated by the operation cam member of the valve unit group is provided, switching control of the water supply and drainage channels of the electrolyzed water generating device and power supply can be operated with one touch in conjunction with each other.

The composite valve of the present invention has the advantage that the valve unit is compactly connected around the water intake pipe leading to the faucet, so it can be downsized and can be used as a faucet with a valve.

[Brief explanation of drawings]

Figure 1a is Figure 1bA of a composite valve according to an embodiment of the present invention.
．． 1b is a plan view of the embodiment shown in FIG. 1a, FIG. 2a is a sectional view taken along line 118-nB in FIG. 2b, and FIG. Figure 3a is a plan view of the embodiment of the present invention; Figure 3b is a sectional view taken along line IIIB-IIIB of a composite valve according to yet another embodiment of the present invention; Figure 3b is a plan view of the embodiment of Figure 3a; FIG. 5 is a vertical cross-sectional view of main parts according to yet another embodiment.
FIG. 6 is an enlarged sectional view of the engagement portion between the tubular operating member 20 and the hollow operating member 2l of the casing in the embodiment shown in FIG. Figures 7a to 7d are explanatory diagrams of various water circuit valves and switch operations, and Figure 8 is a cam development view of the valves corresponding to Figures 7a to 7d. 2... Pipe body, 5... Lower block, 7.8...
- Switching valve unit, 9, 10. 17... Valve member, 11... Spring, 12... Bellows packing, 13... The water intake pipe body, 14... Uneven cam surface, 15...・Operation lever 16...Water supply valve unit, 18...Micro switch, l9...
Switch operation member.

Claims (7)

[Claims] (1) A pipe body with a water intake passage formed in the axial direction; a valve having a fluid inlet and two fluid discharge passages communicating with the inlet, one on the intake side and the other on the drainage side, with one end slidably projecting to the outside. A plurality of switching valve units that selectively open and close these two systems of fluid discharge passages with members; are integrally assembled so that the water intake side fluid discharge passage of each switching valve communicates with the water intake passage of the pipe body. , on the tip side of the valve rod protruding from each valve unit,
A composite valve characterized by being provided with a rotary cam member that engages with the tips of these valve rods to piston-actuate the valve member. (2) Two switching valve units are arranged around the water intake pipe body, and when the rotating cam member closes the water intake side discharge passage of one switching valve unit, the rotating cam member is connected to the drainage side of the other switching valve unit. The composite valve according to claim 1, further comprising a cam surface that closes the discharge path and a cam surface that simultaneously closes both the drain side discharge paths of the two switching valve units. (3) A pipe body with a water intake passage formed in the axial direction; It has an inlet and two fluid discharge passages, one on the water intake side and the other on the drainage side, and a valve member with one end slidably protruding outside. A plurality of switching valve units for selectively opening and closing fluid discharge passages of the system are assembled together such that the intake side fluid discharge passage of each switching valve communicates with the water intake passage of the pipe body, and a fluid inlet and a plurality of switching valve units; Another on-off valve unit, which opens and closes an internal passage using a valve member having an outlet and one end of which protrudes freely to the outside, is integrated in parallel with the switching valve unit, and a valve rod protrudes from each valve unit. A composite valve characterized in that a rotary cam member is provided on the distal end side to engage with the distal ends of these valve rods and piston-actuate each valve member. (4) Two switching valve units and one opening/closing valve unit are arranged around the water intake pipe, and the rotary cam has a cam surface that opens and closes the passage of the valve opening unit, and When the passage of the valve unit is open, the cam surface closes the water intake side discharge passage of one switching valve unit and the drainage side discharge passage of the other switching valve unit, and the drainage side discharge passage of the two switching valve units. 4. The composite valve according to claim 3, further comprising a cam surface that simultaneously closes the passage. (5) A tubular operating member having a rotary lever is rotatably fitted on the outside of the water intake pipe body, and a lower portion of the tubular operating member is rotatably engaged with the inner circumferential wall of the rotating cam member, and Claims (1), (2), (3) characterized in that a tubular support member is protruded from a casing that covers the valve unit and the rotary cam member, and this tubular support member is fitted on the outside of the tubular operation member. Or the composite valve described in (4). (6) The contact surfaces of the tubular operating member with a lever rotation position indicator and the rotary cam member, and the contact surfaces of the tubular support member and the casing are removably fitted into each other through the uneven engagement grooves formed in the axial direction. 6. The composite valve according to claim 5, wherein a pin insertion hole for determining a reference position is formed in the casing and the rotating cam member. (7) A signal generating device is disposed near the rotating cam member, and the signal generating device is turned on and off in connection with the opening/closing operation of the switching valve unit and/or the opening/closing unit.
Claim (1), (2), (3), (4), (5) or (
6) The composite valve described.