WO2007055182A1

WO2007055182A1 - Water discharger

Info

Publication number: WO2007055182A1
Application number: PCT/JP2006/322132
Authority: WO
Inventors: Takahiro Ohashi; Ryoko Ishimaru; Kazuki Kuroda
Original assignee: Toto Ltd.
Priority date: 2005-11-10
Filing date: 2006-11-07
Publication date: 2007-05-18
Also published as: TW200730752A; JP4716177B2; JP2007132092A

Abstract

A water discharger characterized by comprising a housing having a columnar space internally, a core having an internal channel and movable in the columnar space while dividing it into first and second pressure chambers, a water discharge tube communicating with the channel in the core and having a water discharge channel leading to the outside of the housing, a first water inlet for introducing fluid into the first pressure chamber, a second water inlet for introducing fluid into the second pressure chamber, a first introduction port for introducing fluid from the first pressure chamber to the channel in the core, a second introduction port for introducing fluid from the second pressure chamber to the channel in the core, a valve element for varying the openings of the first and second introduction ports, a control means for reversing the relation in degree of opening between the first and second introduction ports when the moving direction of the core is reversed, and a speed control section for imparting a variable sliding resistance to the water discharging tube. Repetitive operation can be stopped or its operational speed can be controlled depending on the preference of a user while water is discharged.

Description

Specification

Water discharge device

Technical field

TECHNICAL FIELD [0001] The present invention relates to a water discharge device, and more particularly, to a water discharge device that enables an automatic reciprocating operation that repeatedly changes a water discharge position such as a shower nozzle or a water spray nozzle.

Background art

[0002] There is an increasing need for shower systems, water discharge / spray systems for relaxation and beauty and health promotion. In these applications, for example, there is an approach that promotes the massage effect by modulating the water flow at a relatively high speed of several tens of hertz or more using a swirling flow. On the other hand, for example, if the water discharge position and direction of the shower nozzle are repeatedly changed at a relatively slow speed of several hertz or less, for example, the water discharge is uniformly sprayed into a predetermined range of the human body, for example, to achieve a relaxation effect. Etc. can be promoted.

[0003] Similar needs exist widely in consumer equipment, industrial use, agriculture and forestry use, etc., and can be used for various purposes such as cleaning, rinsing, cooling, humidification, pretreatment, and cultivation. The reciprocating motion is required.

[0004] Although electric means such as motors and solenoids can be used for reciprocal operation, in order to install it in a system that discharges water in a bathroom or the like, measures for securing a power source, electric shock, electric leakage, etc. There are many issues that need to be solved in terms of cost and reliability.

[0005] On the other hand, if the reciprocating operation can be realized by hydropower, electricity and lubricating oil are not necessary, and improvements can be expected from many viewpoints such as initial cost, running cost, reliability, and maintainability.

[0006] As a shower apparatus that can move up and down, a combination of a piston and a four-way valve is disclosed (Patent Document 1). This shower device moves a shower head up and down via a wire by moving a piston provided in a cylinder up and down by water pressure. The switching of the vertical movement of the piston is performed by switching the water supply flow path to the cylinder with a 4-way valve. [0007] However, in the case of this shower device, the cylinder and the four-way valve are provided separately, and the system is large and complicated. In addition, there is room for improvement in that the flow path becomes longer and the pressure loss is large and the water discharge capacity decreases.

Patent Document 1: JP-A-2-134119

Disclosure of the invention

Problems to be solved by the invention

[0008] In order to solve this problem, the present inventors have invented a water discharge device that enables repetitive linear motion utilizing hydraulic power with a compact and simple structure based on a novel idea. On the other hand, considering the actual usage of the water discharger that enables repetitive linear motion, for example, when performing showering or water massage, the repetitive motion is stopped according to the user's preference. It is more convenient if the operation speed can be controlled.

[0009] The present invention has been made on the basis of recognition of a powerful problem, and an object of the present invention is to provide a water spouting device that can stop repetitive motion according to the user's preference while controlling water discharge or control the operation speed. It is to provide.

Means for solving the problem

[0010] In order to achieve the above object, according to one aspect of the present invention,

A housing having a columnar space inside;

A core that is movable in the space while dividing the columnar space into first and second pressure chambers, and has a core internal flow path;

A water discharge cylinder having a water discharge flow path communicating with the flow path in the core and reaching the outside of the housing;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A first inlet for introducing fluid from the first pressure chamber into the core flow path; a second inlet for introducing fluid from the second pressure chamber to the core flow path; A valve body for changing the opening of the first and second inlets;

Control means for reversing the magnitude relationship between the opening degrees of the first and second inlets when reversing the moving direction of the core; A speed control unit for providing variable sliding resistance to the water discharge cylinder;

There is provided a water discharge device characterized by comprising:

According to another aspect of the present invention,

A housing having a columnar space inside;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

Control means for reversing the magnitude relationship between the opening degrees of the first and second inlets when reversing the moving direction of the core;

A valve mechanism capable of interrupting at least one of the fluid supplied to the first water inlet and the fluid supplied to the second water inlet;

There is provided a water discharge device characterized by comprising:

According to yet another aspect of the present invention,

A housing having a columnar space inside;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A bypass water channel connecting the first pressure chamber and the second pressure chamber;

An on-off valve for controlling the flow rate of the fluid flowing through the bypass channel;

There is provided a water discharge device characterized by comprising:

[0012] According to yet another aspect of the present invention,

A housing having a columnar space inside;

A water discharge cylinder that has a water discharge flow path that communicates with the flow path in the core and extends to the outside of the housing, and is provided with a groove on the outer periphery;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A support fixed to the housing;

A first state that is slidably held with respect to the support and is engaged with the groove of the water discharge cylinder, and a second state that is not engaged with the groove of the water discharge cylinder is selected. A key that can be formed automatically,

There is provided a water discharge device characterized by comprising:

Brief Description of Drawings

[0013] FIG. 1 is a schematic view illustrating a water discharge device that is effective in an embodiment of the present invention. (A) is a front view of the water discharge device, and (b) is a line A—A It is sectional drawing.

FIG. 2 is a schematic view showing the water discharger according to the present embodiment together with its water supply system. FIG. 3 is a schematic diagram for explaining an operation mechanism of the water discharge device according to the embodiment of the present invention.

FIG. 4 is a schematic diagram for explaining the operation mechanism of the water discharge device according to the embodiment of the present invention.

FIG. 5 is a schematic diagram for explaining an operation mechanism of the water discharge device according to the embodiment of the present invention.

6] FIG. 6 is a schematic diagram for explaining the operation mechanism of the water discharge device according to the embodiment of the present invention.

7] FIG. 7 is a schematic diagram for explaining the effect of providing a difference in the opening degree of the inlets 132 and 134. FIG.

Garden 8] FIG. 8 is a perspective view of the water discharge device 100 of the first embodiment.

FIG. 9 is a perspective cutaway view of the water discharge device 100.

FIG. 10 is a cross-sectional view of the water discharge device 100. FIG.

FIG. 11 is a cross-sectional view taken along line AA in FIG.

12] FIG. 12 is a perspective view showing the main valve and the slide bar.

13] FIG. 13 is a schematic diagram showing the reciprocating operation of the water discharging device.

14] FIG. 14 is a schematic diagram for explaining the operation of the control means.

15] FIG. 15 is a schematic diagram for explaining the mechanism for controlling the reversing operation of the core 120 by the magnet.

16] FIG. 16 is a schematic sectional view showing a modified example of the water discharge device.

17] FIG. 17 is a schematic cross-sectional view showing a second specific example of the speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention.

18] FIG. 18 is a schematic cross-sectional view showing a second specific example of the speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention.

19] FIG. 19 is a schematic cross-sectional view showing a second specific example of the speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention.

FIG. 20 is a schematic cross-sectional view showing a second specific example of the speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention. FIG. 21 is a schematic cross-sectional view showing a third specific example of speed control unit 200 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 22 is a schematic cross-sectional view showing a fourth specific example of a speed control unit 200 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 23 is a schematic cross-sectional view showing a fourth specific example of a speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention.

FIG. 24 is a schematic cross-sectional view showing a fourth specific example of a speed control unit 200 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 25 is a schematic cross-sectional view showing a fourth specific example of the speed control unit 200 that can be provided in the water discharging device of the embodiment of the present invention.

FIG. 26 is a schematic cross-sectional view showing a fifth specific example of speed control unit 200 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 27 is a schematic cross-sectional view showing a specific example of a stop mechanism 300 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 28 is a schematic cross-sectional view showing a specific example of a stop mechanism 300 that can be provided in the water discharge device of the embodiment of the present invention.

FIG. 29 is a schematic diagram showing a first specific example of the water discharger of the present invention combined with a nodule portion.

FIG. 30 is a schematic diagram showing a specific example of a water discharging apparatus using a water discharging cylindrical body 180 as a nose. Explanation of symbols

100 water discharge device

102 housing

103 housing body

104, housing lid

112, 114 water inlet

116, 118 Pressure chamber

120 core

121 core body 122 core lid

124 Core flow path

126 Sinore

132, 134 inlet

142, 144 Main valve

146, 148 slide bar

149 connecting rod

160 leaf spring

180 water discharge cylinder

182 water discharge channel

184 Scenery

200 speed controller

202 braking member

204 members

206 Reno Kuichi

210 3-way valve

212 waterway

214 hydraulic cuff

216 discharge tube

220, 222 on-off valve

224 3-way valve

230 Bypass waterway

232 on-off valve

300 stop mechanism

302 keys

304 grooves

306 support

308 latch mechanism 500 water supply pipe

600 Water supply valve

800, 810 water discharge

900 Wall Best Mode for Carrying Out the Invention

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a schematic view illustrating a water discharging device according to an embodiment of the present invention. In other words, FIG. 4A is a front view of the water discharge device, and FIG. 4B is a cross-sectional view taken along line AA. FIG. 2 is a schematic diagram showing the water discharger according to the present embodiment together with its water supply system.

A water discharge device 100 according to the present embodiment includes a housing 102 and a water discharge cylinder 180 protruding from the housing 102. A speed controller 200 is provided so as to surround the water discharge cylinder 180 in the bearing portion of the housing that supports the water discharge cylinder 180.

FIG. 1 shows the water discharge device in which the water discharge cylinder 180 protrudes from only one side of the housing 102. However, the present invention is not limited to this, and will be described later with a specific example. The water discharge cylinder 180 may be provided on both sides of the housing 102. A water discharge channel 182 is provided in the water discharge cylinder 180, and water discharge D is obtained.

As shown in FIG. 2, the housing 102 is provided with two water inlets 112 and 114. A water intake path from a water supply pipe 500 is connected in parallel to these water inlets 112 and 114. That is, the water supply pipe 500 is bifurcated into two branch pipes having the same thickness and length, and these branch pipes are connected to the water inlets 112 and 114, respectively. A water supply valve 600 is provided upstream of the branch position in the water supply pipe 500. The water supply valve 600 adjusts the flow rate of the fluid flowing through the water supply pipe 500.

When the water supply valve 600 provided in the water supply pipe 500 is opened, fluid such as water is supplied to the water inlets 112 and 114 at substantially the same pressure. As a result, the water discharge D can be discharged from the water discharge channel 182 while the water discharge cylinder 180 is reciprocated left and right as indicated by the arrow M. Therefore, if the housing 102 is fixed and the water discharge nozzle 800 such as a nozzle or a shower head is provided at the tip of the water discharge cylinder 180, it can be used as a water discharge device in which the water discharge position changes repeatedly. [0020] At this time, the water supply valve 600 adjusts the amount of hot water supplied from a water supply hot water supply facility (not shown) such as a water supply or a water heater, and the water discharge flow rate changes according to the adjustment amount of the water supply valve 600. The reciprocating speed of the water cylinder 180 also changes, and when the water supply valve 600 is closed, the water discharge stops and the reciprocating movement of the water discharge cylinder 180 also stops.

In this embodiment, by providing the speed control unit 200, the speed of the reciprocating motion of the water discharge cylinder 180 can be adjusted or stopped at an arbitrary position while water is discharged. Monkey.

That is, the speed control unit 200 in the present specific example includes a braking member 202 provided so as to surround the water discharge cylinder 182, a fastening member 204 surrounding the periphery thereof, and a fastening lever attached to the tip of the fastening member 2004. 206. The braking member 202 can be formed of, for example, rubber or soft resin. The fastening member 204 is formed of an elastic material such as stainless steel or plastic, and one end is fixed to the housing 102. The tightening lever 206 is coupled to the tightening member 204 by, for example, a screw mechanism.

[0022] In a state where the tightening lever 206 is loosened, the braking member 202 is not pressed against the water discharge cylinder 180 and does not apply an excessive load to the water discharge cylinder 180. Therefore, the water discharge cylinder 180 can freely reciprocate in the direction of the arrow M.

On the other hand, when the tightening lever 206 is rotated in the tightening direction, pressure is applied via the tightening member 204, and the braking member 202 is pressed against the water discharge cylinder 180. That is, by adjusting the rotation angle or rotation amount of the tightening lever 206, the braking force applied to the water discharge cylinder 180 by the braking member 202 can be adjusted. When the tightening lever 206 is further rotated, the braking member 202 can apply a sufficiently large braking force to the water discharge cylinder 180 to stop it. That is, when the user operates the tightening lever 206 while discharging water, the speed of the reciprocating motion of the water discharging cylinder 180 can be adjusted to a desired size, and can be stopped at a desired position.

[0023] The mechanism of the speed control unit 200 shown in FIG. 1 is merely an example, and the shape, size, material, arrangement relationship, etc. of the braking member 202, the fastening member 204, and the fastening lever 206 are modified. Are also included within the scope of the present invention. That is, the reciprocating operation of the water discharge cylinder 180 Any braking force or sliding resistance may be given to the movement and the magnitude of the braking force or sliding resistance may be variable.

[0024] Hereinafter, the operation mechanism and the structure of the water discharge device 100 in the present embodiment will be described in detail.

FIG. 3 to FIG. 6 are schematic views for explaining the operation mechanism of the water discharge device of the present embodiment. In these drawings, the speed control unit 200 is omitted for convenience of explanation.

The water discharge device 100 includes a core 120 that is movably provided in the housing 102. The inside of the housing 102 is divided into two pressure chambers 116 and 118 by a core 120. The core 120 has a hollow structure, and the hollow space constitutes an in-core flow path 124 that communicates with the water discharge flow path 182 provided in the water discharge cylinder 180. Further, the core inner flow path 124 communicates with the pressure chambers 116 and 118 through the inlets 132 and 134, respectively.

The core 120 is provided with valve bodies 142 and 144 for changing the opening degree of the introduction ports 132 and 134. The core 120 is provided with control means for controlling the valve bodies 142 and 144. By providing a difference in the opening of the inlets 132 and 134 by the control means, the flow resistances of the left and right flow paths from the water inlet to the flow path 124 in the core are made different. The core 120 can be moved using the pressure difference generated in In the state shown in FIG. 3, the control means urges the valve elements 142 and 144 to the right end, and the water inlet 134 is opened on the right side of the core 120. Therefore, the water supplied from the water inlet 114 flows into the core inner flow path 124 from the pressure chamber 118 through the path indicated by the arrow C, and the water discharge flow path 182 provided in the water discharge cylinder 180. Flow through as shown by arrow D. On the other hand, since the water supplied from the water inlet 112 of the housing has no outflow path, the pressure in the pressure chamber 116 is higher than the pressure in the pressure chamber 118. As a result, the core 120 moves in the direction of arrow M.

FIG. 7 is a schematic diagram for explaining the effect of providing a difference in the opening degrees of the introduction ports 132 and 134.

That is, as illustrated in FIG. 7 (a), when the valve bodies 142 and 144 are in a neutral state and the opening degree of the introduction ports 132 and 134 is substantially the same, the introduction through the introduction ports 132 and 134 is performed. Since the flow resistance of the flow channels is almost the same, there is no pressure difference between the left and right of the core 120. Therefore, the core 120 does not move unless some external force is applied.

On the other hand, as illustrated in FIG. 7B, when the valve bodies 142 and 144 are out of the neutral state and the opening degree of the introduction ports 132 and 134 is different, the flow resistance is reduced. Therefore, a difference in pressure occurs between the left and right of the core 120.

In the present specification, the “opening degree” of the inlet is a parameter that determines the flow path resistance of the water flowing between the inlet and the valve body. For example, in the state shown in FIG. 7B, the flow path resistance of the flow path formed between the inlet port 132 and the valve body 142 is formed between the inlet port 134 and the valve body 144. It is higher than the channel resistance of the channel. In this case, the opening of the introduction port 132 is assumed to be smaller than the opening of the introduction port 134.

In the case of the specific example shown in FIG. 7B, the opening degree of the inlet port 134 is larger than the opening degree of the inlet port 132, so that the channel resistance through the inlet port 132 is higher. As a result, the pressure on the left side of the core 120 is higher than that on the right side. That is, the force due to the pressure difference acts on the core 120 and the valve body 142, respectively.

Accordingly, when the force applied to the core 120 exceeds the sliding resistance of the core 120, the core 120 moves to the right. On the other hand, since the valve body 142 is also movable with respect to the core 120, when the force applied to the valve body 142 exceeds the sliding resistance of the valve body 142, the valve body 142 is relatively moved with respect to the core 120. Move to the right. When the valve body 142 moves to the right side, the flow resistance through the inlet 132 becomes higher and the pressure difference increases. That is, the respective forces applied to the core 120 and the valve 144 are increased, and the movement of the core 120 and the valve body 142 is promoted.

Finally, as shown in FIG. 7 (c), the inlet 132 is fully closed. At this time, the difference between the left and right channel resistances is the largest, and the force corresponding to the maximum pressure difference acts on the core 120 and the valve body 142, respectively.

[0031] As described above, in order to move the core 120 in the water discharge device of the present invention, a difference in opening degree of the inlets 132 and 134 may be provided to generate a pressure difference necessary for movement. At this time, the maximum pressure difference is obtained by setting one of the inlets in the open state and the other in the closed state, and the most reliable and stable moving force is obtained. Returning to FIG. 4 again, the description will be continued. As shown in FIG. 4, when the core 120 moves in the housing 102 to the right end or near the right end of the moving stroke, the valve body 142 is controlled by the control means. 144 moves to the left. Then, the right inlet 134 of the core 120 is closed and the left inlet 132 is opened. In this state, the water supplied from the water inlet 112 flows from the pressure chamber 116 through the inlet 132 into the core inner flow path 124 as indicated by the arrow C, and is indicated by the arrow D. As shown in FIG. On the other hand, since the water supplied from the water inlet 114 has no outflow path, the pressure in the pressure chamber 118 rises. As a result, the core 120 moves to the left as shown by the arrow M in FIGS.

As shown in FIG. 6, when the core 120 continues to move to the left side and reaches the left end or the vicinity of the left end of the housing 102, the valve bodies 142 and 144 move to the right under the control of the control means. Then, as described above with reference to FIG. 3, the left inlet 132 of the core 120 is closed and the right inlet 134 is opened. As a result, the pressure in the pressure chamber 118 decreases, the pressure in the pressure chamber 116 increases, and the core 120 moves to the right as indicated by the arrow M. Thereafter, by repeating the operation described above with reference to FIGS. 3 to 6, the core 120 moves back and forth in the housing 102 from side to side.

Hereinafter, the structure of the water discharge device 100 of the present embodiment will be described in more detail with reference to specific examples.

8 to 11 are schematic views showing the main part of the water discharge device 100 of the present embodiment. That is, FIG. 8 is a perspective view of the water discharging device of this example, FIG. 9 is a perspective cutaway view, FIG. 10 is a cross-sectional view, and FIG. 11 is a cross-sectional view taken along line AA in FIG. is there. In these drawings, the speed control unit 200 is omitted for convenience of explanation.

The water discharge device 100 of this specific example has an example in which a water discharge cylinder 180 protrudes from the housing 102 formed by the housing main body 103 and the housing lid 104. The water discharge cylinder 180 has a hollow structure having a water discharge channel 182 inside, and is open at the tip. The water discharge cylinder 180 may have various shapes such as a prismatic shape and a flat shape that do not necessarily need to be cylindrical.

When a fluid such as water is introduced into the water inlets 112 and 114 provided in the housing body 103, the water discharge cylinder 180 discharges water while reciprocating linearly in the direction of arrow M. The internal structure will be described. As shown in FIGS. 9 to 11, the core body 121 and the core cover 122 are formed in the cylinder space of the housing 102 formed by the housing body 103 and the housing cover 104. The core 120 is movably accommodated. The core 120 is connected to a water discharge cylinder 180 protruding from the housing 102, and moves inside the housing into a first pressure chamber 116 and a second pressure chamber 118 like a piston. In each of these pressure chambers 116 and 118, a fluid such as water is introduced into each of the water inlets 112 and 114. A seal 126 is provided at a sliding portion between the core 120 and the inner wall of the housing 102 for smooth sliding while maintaining liquid tightness. In addition, a seal 184 is provided at the sliding portion between the water discharge cylinder 180 and the housing 102 for the same purpose. These Sinore 126 and 184 materials are designed to facilitate sliding while maintaining liquid tightness. For example, Teflon (registered trademark), NBR (nitrile rubber), EPDM (ethylene propylene rubber) and POM (polyacetal). ) Etc. can be used. Note that “liquid-tight” as used herein only needs to secure a state sufficient to cause a pressure difference between the left and right pressure chambers.

Next, the structure of the core 120 will be described.

A core inner passage 124 is formed by combining the core body 121 with the core lid 122, and this core inner passage 124 communicates with the water discharge passage 182 provided in the water discharge cylinder 180. . The core body 121 and the core lid 122 are provided with inlets 132 and 134 for communicating the core internal flow path 124 and the pressure chambers 116 and 118.

[0038] In this specific example, a leaf spring and a slide bar are provided in the core 120 as control means.

That is, a core inner passage 124 is formed by combining the core body 121 with the core lid 122, and this core inner passage 124 is a water discharge passage 182 provided in the right and left water discharge cylinders 180. Communicated with The core body 121 and the core lid 122 are provided with inlets 132 and 134 for communicating the core flow path 124 with the pressure chambers 116 and 118. The main valves 142 and 144 and the slide nodes 146 and 148 are provided so as to cross the inner core flow path 124.

FIG. 12 is a perspective view showing these main valves and slide bars.

The left and right main valves 142 and 144 are connected by a connecting rod 149 and are installed so as to be movable left and right through the inlets 132 and 134 provided in the core body 121 and the core lid 122. Tsuma Thus, the main valves 142 and 144 as valve bodies are installed so as to be movable left and right with a predetermined stroke with respect to the core body 121. A rib 143 is formed on the main valves 142 and 144, and the main valves 142 and 144 are configured to move coaxially with respect to the force introduction ports 132 and 134. When the main valves 142 and 144 move away from the core 120, the groove 145 provided between the ribs 143 becomes the opening of the inlets 132 and 134 to form a fluid flow path. The slide bars 146 and 148 that penetrate the main valves 142 and 144 coaxially are installed so as to be movable left and right. That is, the slide bars 146 and 148 are installed so as to be movable left and right with a stroke longer than the operation stroke of the main valves 142 and 144.

As illustrated in FIGS. 9 to 11, when the main valve 144 moves away from the core body 121, the introduction port 134 is opened. On the other hand, when the main valve 142 moves away from the core lid 122, the inlet 132 is opened.

These inlets 132 and 134 both communicate with the core inner channel 124. That is, the introduction port 132 allows the pressure chamber 116 in the housing to communicate with the core inner passage 124, and the introduction port 134 allows the pressure chamber 118 to communicate with the core inner passage 124.

[0041] The operations of the main valves 142 and 144 for changing the opening degree of the introduction ports 132 and 134 are determined by slide bars 146 and 148 installed on the same axis. That is, as shown in FIG. 11, the left and right slide bars 146 and 148 are connected with the compressed leaf spring 160 interposed therebetween, and receive a biasing force toward the right end or the left end depending on the bending direction of the leaf spring 160. . The leaf spring 160 is supported at both ends by the core body 121, and the slide bars 146 and 148 move relative to the core body 121 via the leaf spring 160. The main valves 142 and 144 receive this urging force from the slide bars 146 and 148, and make the inlets 132 and 134 alternatively or fully closed. That is, the slide bars 146 and 148 and the leaf spring 160 act as control means to control the main valves 142 and 144 which are valve bodies.

[0042] Hereinafter, the operation of the water discharge device of this example will be described.

FIG. 13 is a schematic diagram showing the reciprocating operation of the water discharging device of this example.

That is, FIG. 4A shows a state in which the slide bars 146 and 148 are urged toward the right side by the action of the leaf spring 160. At this time, since the main valves 142 and 144 are also urged to the right side by the slide bar 146, the inlet 132 is closed and the inlet 134 is opened. It is formed.

[0043] In this state, when a fluid such as water is supplied to the inlets 112 and 114 at substantially the same pressure, the water introduced into the pressure chamber 118 from the inlet 114 as indicated by the arrow B is indicated by the arrow C. In this way, it flows into the core inner channel 124 from the inlet 134 and flows out as shown by the arrow D through the water discharge channel 182 communicating to the left and right.

On the other hand, the water introduced into the pressure chamber 116 from the water inlet 112 as shown by the arrow A raises the pressure of the pressure chamber 116 through which the outflow path is established because the inlet 132 is closed. That is, by providing a difference in the opening degree of the inlets 132 and 134, a difference occurs in the channel resistance, resulting in a pressure difference. As a result, the pressure in the pressure chamber 116 is higher than that in the pressure chamber 118, and the core 120 is pushed and moved in the direction of arrow M.

[0044] When the core 120 moves in the direction of arrow M, the volume of the pressure chamber 116 increases, and the volume of the pressure chamber 118 decreases accordingly. For this reason, the fluid in the pressure chamber 118 is pushed out by the amount of fluid flowing into the pressure chamber 116 along the path indicated by the arrow A, and is included in the amount of water discharged from the fluid flowing out from the flow path 182.

When the core 120 continues to move further in the direction of arrow M from the state shown in FIG. 13 (a) and the slide bar 148 comes into contact with the inner wall of the housing body 103 and is pressed against the core, The bending direction of the spring 160 is reversed, and the slide bars 146 and 148 are biased toward the left side as shown in FIG. 13 (b). Then, when the slide bar 148 pushes the main valve 144, the main valves 142 and 144 are also moved to the left. That is, the inlet 132 is opened and the inlet 134 is closed.

In the state shown in FIG. 13 (b), the fluid introduced from the inlet 112 to the pressure chamber 116 as indicated by the arrow A is introduced from the inlet 132 as indicated by the arrow C. It flows into the core inner flow path 124 and flows out through the water discharge flow path 182 as shown by the arrow D. On the other hand, as shown by arrow B, the fluid introduced from the water inlet 114 into the pressure chamber 118 increases the pressure in the pressure chamber 118 without an outflow path because the inlet 134 is closed. As a result, a pressure difference is generated in the pressure chambers 116 and 118, and the core 120 starts moving toward the left side as indicated by an arrow M. When the core 120 continues to move, the slide bar 146 moves to a position where it abuts against the inner wall of the housing lid 104 as shown in FIG. When the core 120 further moves from this state and the slide bar 146 is pushed against the core 120, the bending direction of the leaf spring 160 is reversed and biased to the right side. Then, similarly to the state shown in FIG. 13A, the introduction port 132 is closed and the introduction port 134 is opened, and the core 120 starts moving toward the right side.

[0047] As described above, according to the present specific example, the core 120 is provided with the main valves 142, 144 as valve bodies, and the control means including the slide bars 146, 148 and the leaf spring 160. According to the movement of the core 120, the magnitude relationship of the opening degree difference between the introduction ports 132 and 134 can be reversed as appropriate, and the core 120 can be operated repeatedly left and right. The stroke of the back-and-forth movement of the core 120 in this specific example can be appropriately set according to the length of the housing body 103 and the thickness (width) of the core 120.

[0048] Next, the operation of the control means in this example will be described in more detail.

FIG. 14 is a schematic diagram for explaining the operation of the control means in the present embodiment. That is, FIG. 4A shows a state in which the leaf spring 160 is bent to the right side and biases the slide bars 146 and 148 in this direction. At this time, the inlet 132 is closed by the main valve 142, and the inlet 134 is opened by the main valve 144.

When the core 120 moves to the right in this state, the slide bar 148 comes into contact with the inner wall of the housing as shown in FIG. Due to the pressure difference acting on the core 120, the core 120 moves further to the right with the slide bar 148 in contact with the inner wall of the housing, and the state shown in FIG. 14 (b) is obtained. In other words, the biasing force of the leaf spring 160 is overcome and the relative position between the core 120 and the slide bar 148 is changed, and the slide bar 148 is pushed against the core 120. As a result, the leaf spring 160 is also deformed by being pushed to the left, and has a substantially S-shape as shown in FIG. At this time, a pressure difference acts on the main valves 142 and 144 in the same manner as the core 120, and the open / close state of the inlets 132 and 134 is not changed.

[0049] After this, when the core 120 is further moved and the slide bar 148 is further pressed against the core 120, the bending direction of the leaf spring 160 is changed to the left as shown in FIG. 14 (c). Starts reversing and pushes slide bars 146 and 148 to the left. [0050] Then, as shown in FIG. 14 (d), the urging force of the leaf spring 160 moves to the left side of the main valve 142, 144 force S, the inlet 132 is fully open, and the inlet 134 is fully closed. It becomes.

[0051] As described above, in this specific example, the bending direction of the compressed leaf spring 160 is appropriately reversed by the sliding blades 146, 148, and the main valves 142, 144 are moved using the biasing force. By doing so, the inlets 132 and 134 are selectively controlled to be either fully open or fully closed. In other words, by utilizing the urging force of the leaf spring 160, the opening difference between the left and right inlets 132 and 134 is reliably formed for the reversal of the core 120.

[0052] The mechanism of this example that controls the main valves 142, 144 via the slide bars 146, 148 has an extremely important role in the smooth operation of the water discharge device of this example. In other words, the compressed leaf spring 160 has a stable state when bent to the right or left side, as shown in Fig. 14 (b). May be in a state. In other words, in this state, the leaf spring 160 does not generate much urging force to the left or right. Therefore, in this state, if the openings of the inlets 132 and 134 are substantially the same, the fluid flows from the inlets 132 and 134 on both sides of the core, so there is no pressure difference and the movement of the core 120 Will stop. That is, if the operation start timing of the main valves 142 and 144 is earlier than the reversal timing of the leaf spring 160, the operation of the core 120 may stop.

[0053] On the other hand, according to this specific example, by providing slide bars 146 and 148 and adjusting their strokes as appropriate, in the metastable neutral state as shown in FIG. 142 and 144 have not moved yet, and can maintain a state where the core 120 continues to move under pressure. In addition, when the leaf spring 160 starts reversing beyond the neutral state, the force S can be set so that the main valves 142 and 144 start moving. That is, the operation start timing of the main valves 142 and 142 can be synchronized with the reversal timing of the leaf spring 160.

[0054] In other words, the leaf spring 160 is reversed before the opening difference sufficient to move the core 120 is eliminated, and the main valves 142, 14 4 via the slide bars 146, 148 by the reversal force (biasing force). The opening difference between the inlets 132 and 134 can be reversed to an opening difference sufficient to move the core 120 in the reverse direction.

[0055] In this way, when the leaf spring 160 is in the neutral state, the opening degree of the introduction ports 132 and 134 is almost the same. This eliminates the problem that the core 120 stops in an equal state, and smooth repetitive motion can be realized.

[0056] Further, in this way, even when the core 120 stops near the middle of its moving stroke or the like and starts water discharge from a state where the core 120 stops, the leaf spring 160 causes the main spring 160 to start main water discharge. One of the inlets 132 and 134 is alternatively opened by controlling the valves 142 and 144, and a stable initial operation can be started by forming a pressure difference on both sides of the core 120. . In other words, the state where the opening of the introduction port 134 is larger than the opening of the introduction port 132 and the state where the opening of the introduction port 132 is larger than the opening of the introduction port 1 34 can be held alternatively. It can be.

As described above, in this specific example, the moving direction of the core 120, the moving direction of the main valves 142 and 144, the moving direction of the slide bars 146 and 148, and the biasing direction of the leaf spring 160 are determined. By making them substantially the same, it is possible to effectively utilize the moving force of the core having a large pressure receiving area that is not wasted in the way the force works, and smooth and stable operation is possible. In other words, by linking the movement operation of the core 120 and the opening control operation, the control operation for reversing the magnitude relationship between the opening degree of the inlets 132 and 134 for reversing the core 120 is reliable and easy. This realizes a simple and non-compact valve body and control means.

In the specific examples shown in FIGS. 8 to 14, the force with which the slide bars 146, 148 are brought into contact with the inner wall of the housing when the core 120 is reversed is not limited to this. For example, a magnet is provided on the slide bars 146 and 148, while a magnet is also provided on the inner wall of the housing, and the slide bars 146 and 148 are stopped relative to the housing by utilizing a repulsive force acting between them. It is also possible. That is, in this case, in the state corresponding to FIGS. 14A to 14C, the slide bars 146, 148 do not contact the inner wall of the housing 102, and the repulsive force of the magnet (not shown) causes the housing 102 to It is in a state separated from the inner wall by a predetermined distance. In this way, the core 120 can be reversed without contact.

On the other hand, in the present embodiment, the thrust obtained in the reciprocating linear motion is determined by the product of the pressure of the fluid loaded on the core 120 and the pressure receiving area of the core. Therefore, if the pressure receiving area of the core 120 is increased, a large thrust corresponding to the pressure receiving area can be obtained. 1 to 14 show specific examples in which the circular core 120 is accommodated in a substantially cylindrical space provided in the housing, but the present invention is not limited to this. Les. For example, the inner space of the housing main body 103 may be a prismatic shape or a flat columnar shape, and the core 120 may have various shapes according to these shapes.

[0061] Further, the outer peripheral shape of the water discharge cylinder 180 may not be circular, but may be a polygonal shape or a flat shape. Furthermore, it is not necessary to provide the water discharge cylinder 180 at the center of the core 120. The water discharge cylinder 180 may be provided eccentric from the center of the core 120. In this way, the core 120 can be easily downsized, and the water discharge device 100 can be downsized.

[0062] When the housing inner space is formed in a columnar shape and the water discharge tubular body 180 is provided at the center of the cylindrical core 120 as in this specific example, the water discharge tubular body 180 can be rotated. In other words, when a nozzle or a shower head is provided at the tip of the water discharge cylinder 180, the water discharge position can be repeatedly changed by the reciprocating linear motion of the core 120, and at the same time, these nozzles The direction of water discharge can be changed by rotating the.

[0063] For example, there are cases where it is desired to change the angle of the head or shower head depending on the user's preference. Even in such a case, if the water discharge cylinder 180 can be rotated, the water discharge direction of the nozzle and shower head can be adjusted to the optimum direction on site, and it is easy to use.

By the way, in the present invention, as a control means for reversing the magnitude relationship of the opening degree of the introduction ports 132 and 134 for reversing the core 120, besides the method using the plate panel and the slide bar, For example, there is a method using a magnet.

FIG. 15 is a schematic diagram for explaining a mechanism for controlling the reversing operation of the core 120 by the magnet.

That is, FIG. 15 (a) shows a state in which the core 120 moves from the left side to the right side and the valve body 144 is in contact with the inner wall of the housing body 103. FIG. In this specific example, the core 120 is provided with a magnet 170, and the housing 102 is provided with a magnet (or ferromagnetic material) 174. In the state of FIG. 15 (a), the force due to the pressure difference acts on the core 120, so the core 120 moves further to the right. That is, the core 120 moves further to the right in a state where the valve body 144 is in contact with the housing 102 and fixed in the moving direction.

[0066] Finally, the state shown in Fig. 15 (b) is obtained. In this state, the inlets 132 and 13 Since the opening of 4 is almost the same, there is no pressure difference due to the difference in flow resistance. However, at this time, the core 120 can be further pulled to the right side by the attractive force acting between the magnet 170 and the magnet 174.

[0067] In this case, depending on the value of the sliding resistance of the core 120, the core 120 may stop before the state shown in FIG. In such a case, the core 120 may be attracted by the attractive force acting between the magnet 170 and the magnet (or ferromagnetic body) 174 in the state between FIG. 15 (a) and FIG. 15 (b). desirable.

[0068] Now, when the core 120 is pulled to the right side by the attractive force of the magnet from the state shown in Fig. 15 (b), the opening degree of the inlet 132 is changed to the inlet 134 as shown in Fig. 15 (c). A state larger than the opening is formed. As a result, a difference occurs in the flow path resistance of these inlets 132 and 134, and a pressure difference is generated. That is, the pressure on the right side of the core 120 becomes higher, and the core 120 starts to move to the left side. That is, the core 120 can be reversed by reversing the magnitude relationship of the opening degree difference between the inlets 132 and 134.

[0069] At this time, as described above with reference to FIG. 7, the pressure difference also acts on the valve body 144, and a force in the direction of closing the valve body 144 acts. As a result, as shown in FIG. 15 (d), the valve body 144 is completely closed, and the pressure on the right side of the core 120 rises to the maximum value. That is, the maximum driving force to the left is obtained after the core 120 is inverted.

[0070] As described above, if the core 120 can be pulled to the state shown in FIG. 15 (c) by the attractive force acting between the magnet 170 and the magnet or ferromagnet 174, it is introduced. The magnitude relationship of the opening difference between the mouths 132 and 134 can be reversed, and the core 120 can be reversed. That is, the core 120 can be reciprocated linearly in the housing 102.

[0071] In this case, it is necessary that the core 120 moves by overcoming the attractive force of the magnet after reversing. That is, it is desirable to appropriately set the balance between the force acting on the core 120 due to the pressure difference and the attractive force obtained by the magnet.

In the case of the specific example shown in FIG. 15, the surfaces of the valve bodies 142 and 144 (contact surfaces with the nodding 102) protrude in a curved shape so that a gap is generated even when they are in contact with the housing 102. I have to. In this way, by reducing the contact area with the housing 102, the valve body is received. The pressure difference can be effectively utilized, and the valve can be reversed smoothly by reversing the degree of opening.

[0073] Further, in the case of the specific example shown in FIG. 15, when the core 120 is reversed, the force causing the valve bodies 142, 144 to contact the inner wall of the housing 102 is not limited to this. . For example, magnets are provided on the valve bodies 142 and 144, while magnets are also provided on the inner wall of the housing 102, and the valve bodies 142 and 144 are relatively moved relative to the housing 2 by utilizing the repulsive force acting between them. It can also be stopped. That is, in this case, in the state corresponding to FIGS. 15 (a) to 15 (c), the valve bodies 142 and 144 do not contact the inner wall of the housing 102, and the repulsive force of a magnet (not shown) It is in a state of being separated from the inner wall of the housing 102 by a predetermined distance. In this way, the core can be inverted without contact.

[0074] As described above, in order to move the core 120, a difference in the opening degree of the introduction ports 132 and 134 may be provided to generate a pressure difference necessary for movement. Similarly, when the moving direction of the core 120 is reversed, the magnitude relationship between the opening degrees of the introduction ports 132 and 134 may be reversed by the control means. For example, the reversing operation can be performed by changing the ratio of the opening degree of the introduction ports 132 and 134 from 70:30 to 30:70 by the control means. Furthermore, if the opening degree is changed from 100: 0 to 0: 100 by the control means, the most reliable and stable reversing operation becomes possible.

According to the present embodiment, the core 120 accommodated in the housing 102 is provided with the valve bodies 142 and 144 and a control means, and the core 120 is reciprocated by supplying water to the pressure chambers on both sides. Can do. At this time, by making the moving direction of the core 120 and the moving directions of the valve bodies 142 and 144 substantially the same, the moving operation of the core 120 and the opening control operation are linked, and the core 120 is reversed. The reversing operation of the valve body by reversing the magnitude relationship of the opening of the inlets 132 and 134 is made reliable and easy, and a simple and compact valve body and control means are realized.

[0076] According to the present invention, smooth mechanical reciprocating motion is possible only with supply pressure of water or the like without requiring mechanical power such as electricity, and measures such as installation of electric power, electric shock, or electric leakage are not required. . In addition, smooth operation is possible without being affected by disturbances such as electromagnetic noise. Then, by providing the speed control unit 200, the speed of the reciprocal reversal motion can be adjusted while discharging water, and can be stopped at an arbitrary position. [0077] Furthermore, since the water discharge device of the present invention is provided with the valve bodies 142, 144 and the control means attached to the core 120, for example, an external four-way valve is not required, and a simple configuration Smooth reciprocal reversal motion can be realized. As a result, downsizing becomes easy and the flow path becomes simple, which is advantageous in that pressure loss can be suppressed and the water discharge amount and water discharge pressure can be secured. Further, since the valve bodies 142 and 144 and the control means are built in the housing 102, a smooth operation strong against disturbance can be realized. As a result, it can be applied not only to bathrooms and hand-washing places, but also to watering equipment installed outdoors, etc., so that stable cooling and washing operations can be performed.

[0078] Regarding water supply, it is excellent in workability by simply branching from the same water supply source and connecting to two water inlets.

In addition, since the flow path of water is formed inside the moving core and the water discharge cylinder, it is possible to reciprocate the water spray position simply by connecting various water sprays to the tip of the water discharge cylinder. There is also excellent workability in that a special connecting member is unnecessary.

In particular, the water discharge device of the present invention is advantageous in that it is excellent in workability even when it is installed “retrofitting” on existing equipment indoors or outdoors.

FIG. 16 is a schematic cross-sectional view showing a modified example of the water discharge device of this example.

In this figure, the same elements as those described above with reference to FIGS. 1 to 15 are denoted by the same reference numerals, and detailed description thereof is omitted.

In this modification, the water discharge cylinders 180 are provided on both sides of the core 120. In other words, the water discharge cylinder 180 protrudes from both sides of the housing 102. The pair of water discharge cylinders 180 reciprocate synchronously in the same direction while discharging water. This modification is particularly useful in cases where water is discharged from both ends.

[0080] The operation and structure of the water discharge device of the present embodiment have been described above.

Hereinafter, another specific example of the speed control unit 200 that can be provided in the water discharge device of the present embodiment will be described.

FIGS. 17 to 20 are schematic cross-sectional views showing a second specific example of the speed control unit 200 that can be provided in the water discharge device of the present embodiment.

In this specific example, a three-way valve 210 is connected to the water supply pipe 500 in parallel with the water inlets 112 and 114. ing. The first branch of the three-way valve 210 is connected to the hydraulic cuff 214 via the water passage 212. On the other hand, the second branch of the three-way valve 210 is connected to the discharge pipe 216. The hydraulic cuff 214 is made of an elastic material such as rubber or resin and has a donut-shaped bag shape surrounding the water discharge cylinder 180.

As shown in FIG. 17, when the three-way valve 210 is switched and the water passage 212 and the discharge pipe 216 communicate with each other, the hydraulic cuff 214 contracts without being pressurized. In this state, the water pressure cuff 214 does not substantially apply a braking force or sliding resistance to the water discharge cylinder 180, and the water discharge cylinder 180 can freely reciprocate.

On the other hand, as shown in FIG. 18, when the three-way valve 210 is switched and the water supply pipe 500 communicates with the water passage 212, water is supplied to the water pressure cuff 214 and the internal water pressure increases. . Then, the hydraulic cuff 214 swells and applies a braking force or sliding resistance to the water discharge cylinder 180. The braking force or sliding resistance that the hydraulic cuff 214 applies to the water discharge cylinder 180 can be adjusted by the water pressure applied to the hydraulic cuff 214. That is, the speed of the water discharge cylinder 180 can be adjusted by the water pressure applied to the water pressure cuff 214.

Accordingly, when the water pressure of the water pressure cuff 214 increases and the speed of the water discharge cylinder 180 decreases to the target level, for example, as shown in FIG. 19, the water passage 212 is blocked and the water pressure is maintained. You may make it do.

In addition, as shown in FIG. 18, if the state where the water supply pipe 500 and the water passage 212 are communicated with each other is maintained, the water pressure of the water pressure cuff 214 rises to the maximum level. At this time, the size and material of the hydraulic cuff 214 may be appropriately selected so that the water discharge cylinder 180 stops.

Actually, when the three-way valve 210 is switched to connect the water supply pipe 500 and the water passage 212 as shown in FIG. 18, the water pressure of the water pressure cuff 214 reaches the maximum level in a very short time. There are too many. That is, if the three-way valve 210 is fully opened as shown in FIG. 18, the water pressure of the water pressure cuff 214 is instantaneously increased and the water discharge cylinder 180 immediately stops.

On the other hand, when it is desired to adjust the speed of the water discharge cylinder 180, the hydraulic cuff 2 14 is adjusted by adjusting the opening of the three-way valve 210 while communicating the water supply pipe 500 and the water passage 212 as illustrated in FIG. A predetermined water pressure is applied to. Then, when it reaches the target speed level, block the water passage 212 and maintain the water pressure as shown in Fig. 19. In this way It is possible to adjust or stop the speed while discharging water.

FIG. 21 is a schematic cross-sectional view illustrating a third specific example of the speed control unit 200 that can be provided in the water discharging device of the present embodiment.

In this specific example, on-off valves 220 and 22 2 are provided in the water channels from the water supply pipe 500 to the water inlets 112 and 114, respectively. By appropriately operating these on-off valves 220 and 222, the speed of the water discharge cylinder 180 can be adjusted or stopped at an arbitrary position.

Hereinafter, the operation of the water discharging apparatus of this example will be described with reference to FIG.

First, when performing normal reciprocating motion, both the on-off valves 220 and 222 are opened.

On the other hand, when the water discharge cylinder 180 is stopped, one of the on-off valves 220 and 222 is closed.

For example, when the water discharge cylinder 180 is moving to the right as shown in FIG. 13A, the on-off valve 220 is closed to shut off the water supply from the water inlet 112. Then, the supply of water to the pressure chamber 116 is stopped and the pressure does not increase, so that the movement of the core 120 stops. Then, water supplied from the water inlet 114 through the pressure chamber 118 and the inlet 134 continues to be discharged from the water discharge channel 182. That is, it is possible to stop the water discharge cylinder 180 at an arbitrary position and continue the water discharge S.

Thus, in this specific example, by closing the on-off valve on the opposite side of the on-off valve 220, 222 in the traveling direction of the water discharge cylinder 180, the water discharge cylinder 180 is stopped at that position. That power S.

On the other hand, when the on-off valve on the side of the direction of travel of the water discharge cylinder 180 is closed, the water discharge cylinder 180 can be stopped at the stroke end.

For example, as shown in FIG. 13 (a), when the water discharge cylinder 180 is moving to the right side, the on-off valve 222 is closed to shut off the water supply from the water inlet 114. Then, due to the supply of water from the water inlet 112, the water discharge cylinder 180 continues to move to the right, contacts the right inner wall of the housing 102 as shown in Fig. 13 (b), the main valve 142 opens, and the main valve 142 opens. Valve 144 switches to the closed state. However, since no water is supplied from the water inlet 114 in this state, the core 120 (water discharge cylinder 180) remains stopped. Then, water supplied from the water inlet 112 continues to be discharged from the water discharge channel 182. In other words, the water discharge cylinder 180 is moved to the stroke end and stopped. Can stop and continue water discharge.

FIGS. 22 to 25 are schematic cross-sectional views showing a fourth specific example of the speed control unit 200 that can be provided in the water discharge device of the present embodiment.

In this specific example, a three-way valve is installed at the branch of the water channel from the water supply pipe 500 to the water inlets 112 and 114.

224 is provided. By switching the three-way valve 224, control similar to that described above with respect to the third specific example can be realized.

As shown in Fig. 22, if water is supplied to both the water inlets 112 and 114 from the 500 water supply pipe, normal reciprocating motion is executed.

On the other hand, as shown in FIGS. 23 and 24, when the three-way valve 224 is switched to supply water only to one of the water inlets 112 and 114, the water discharge cylinder 180 stops.

For example, when the water discharge cylinder 180 moves to the left as shown in FIG.

As shown in Fig. 3, the three-way valve 224 is switched to shut off the water supply to the inlet 114 and the inlet 1

Supply water only to 12. Then, as described above with respect to the third specific example, the water discharge cylinder 180 stops at that position and continues 0 soil.

That is, also in this specific example, by switching the three-way valve 224 and shutting off the water supply to the inlet of the inlet 112, 114 opposite to the direction of travel of the water discharge cylinder 180, The water discharge cylinder 180 can be stopped at the position.

[0091] On the other hand, as shown in FIG. 24, when the three-way valve 224 is switched to cut off the water supply to the water inlet on the traveling direction side of the water discharge cylinder 180, the water discharge cylinder 180 continues to move, Stop at the end of the stroke and continue water discharge.

On the other hand, in the case of this specific example, by operating the three-way valve 224, it is easy to completely shut off the water supply to the water inlets 112 and 114 as shown in FIG. That is, it is convenient that the water discharge can be stopped immediately by operating the three-way valve 224. That is, the three-way valve 224 can serve as the water supply valve 600 as shown in FIG. As a result, the water supply valve can be omitted when it is only necessary to control the presence or absence of water supply without having to adjust the water flow rate.

FIG. 26 is a schematic cross-sectional view showing a fifth example of the speed control unit 200 that can be provided in the water discharging device of the present embodiment. In the case of this specific example, bypass water passages 230 connecting pressure chambers 116 and 118 formed on the left and right of the core 120 are provided. An open / close valve 232 is provided in the bypass water channel 230. By operating the on-off valve 232, the water discharge cylinder 180 can be stopped and the speed can be adjusted.

That is, when the on-off valve 232 is opened and the left and right pressure chambers 116 and 118 are connected by the bypass water passage 230, water is bypassed from the pressure chamber whose volume should be expanded to the pressure chamber whose volume should be decreased. For example, as shown in FIG. 26, when the on-off valve 232 is opened while the water discharge cylinder 180 is moving toward the left side, the water supplied from the water inlet 114 to the pressure chamber 118 passes through the bypass channel 230. Bypassed to pressure chamber 116. As a result, a sufficient pressure difference does not occur between the left and right of the core 120, and the core 120, that is, the water discharge cylinder 180 stops. At this time, the main valve 142 remains open, so the water discharge continues and the water discharge flow rate hardly changes. That is, the water discharge cylinder 180 can be stopped at an arbitrary position while maintaining water discharge.

On the other hand, when the opening degree of the on-off valve 232 is adjusted, the moving speed of the water discharge cylinder 180 can be adjusted.

That is, when the bypass amount of the water flow through the bypass water channel 230 is small, the speed of the water discharge cylinder 180 increases, and when the bypass amount of the water flow through the bypass water channel 230 is large, the water discharge cylinder body The speed of 180 becomes smaller. Therefore, the speed of the water discharge cylinder 180 can be adjusted by adjusting the opening degree of the on-off valve 232.

In this specific example, the water discharge cylindrical body 180 can be stopped and the speed can be controlled by one on-off valve 232 regardless of the moving direction of the water discharge cylindrical body 180. In addition, since the flow resistance of the water channel leading to the left and right water inlets 112 and 114 does not change, the pressure loss in the water inlet route does not change, and the total water discharge flow rate is always almost constant during normal operation, when stopped, and during deceleration. Can be kept constant.

[0097] It should be noted that the bypass water channel 230 is preferably communicated with the pressure chambers 116 and 118 at both ends of the internal space of the housing 102, respectively. In other words, even when the core 120 is at the left and right stroke ends, the opening of the bypass channel 230 should be formed as close to the end of the housing 102 as possible so that the bypass channel 230 is not blocked. desirable.

FIGS. 27 and 28 are schematic cross-sectional views showing a specific example of a stop mechanism 300 that can be provided in the water discharging device of the present embodiment.

That is, in this specific example, the water discharge cylinder 180 is provided with a groove 304. on the other hand, A key 302 having a groove surface that engages with the groove 304 is slidably held by the support portion 306. The support portion 306 is fixed to the housing 102. The key 302 does not engage with the groove 304 when it is slid upward as shown in FIG. 27, and engages with the groove 304 when it is slid downward as shown in FIG. The upper and lower positions of these keys 302 can be defined by a latch mechanism 308 using a panel panel, for example.

As shown in FIG. 27, in a state where the key 302 is not engaged with the groove 304, the water discharge cylinder 180 can freely move. On the other hand, as shown in FIG. 28, in the state where the key 302 is engaged with the groove 304, the water discharge cylinder 180 is fixed and stopped. That is, by sliding the key 302 downward and engaging with the groove 304, the water discharge cylinder 180 can be stopped at an arbitrary position. Also in this case, water discharge from the water discharge flow path 182 is continued.

[0100] According to this specific example, the water discharge tubular body 180 can be reliably stopped at a desired position with a simple mechanism while water is discharged.

[0101] The water discharging device of the present invention has been described above with reference to specific examples. These water discharge devices can be combined with various Nozure parts. Hereinafter, some specific examples of the water discharging device of the present invention combined with the nozzle portion will be described.

[0102] FIG. 29 is a schematic diagram showing a first specific example of the water discharger of the present invention combined with a nozzle portion. That is, in this specific example, the water discharge device 100 described above with reference to FIG. 16 is provided. Water discharge cylinders 180 protrude from both sides of the housing, and water discharge nozzles 810 are attached to the respective ends. When the water discharge cylinder 180 reciprocates linearly in the direction indicated by the arrow M, the water discharge nozzle 810 also moves in accordance with this, and the water discharge position periodically fluctuates. And the speed control unit described above with reference to FIGS. 200 or stop mechanism 300 is provided.

[0103] For example, when such a water discharging device is installed on a wall 900 such as a bathroom and water is applied to a user's shoulder, the water discharging position changes periodically. As well as being able to act more effectively over a wider range, the user experience is improved because the user does not have to shake the body to change the site of action. Also, spray-like vomiting By applying water over a wide area, it is possible to obtain a relaxation effect and improve the feeling of use.

[0104] Then, by operating the speed control unit 200, it is possible to operate at a slow or high moving speed according to the user's preference. Furthermore, by operating the speed control unit 200 or the stop mechanism 300, water can be discharged while being fixed at a user's favorite position. For example, it is possible to intensively discharge water at a portion where the shoulder is stiff and obtain a higher pine surge effect and relaxation effect.

[0105] On the other hand, when the water discharge nozzle 810 is fixed to the wall surface 900 or the like without fixing the housing, the housing moves, and this operation can be used for massage or the like. In other words, a massage effect such as “Momihoshi” can be obtained by pressing the body against the housing that moves from side to side.

[0106] Also in this case, by operating the speed control unit 200, it is possible to massage at a slow or fast moving speed according to the user's preference.

In this specific example, by rotating the water discharge nozzle 810 in the direction of the arrow M2, not only the water discharge position but also the water discharge direction can be changed according to the user's preference.

[0107] In addition, Fig. 29 shows a specific example of the installation on the wall surface 900. In addition to this, for example, it can be installed on the edge of the hot water bath. In this case, enjoy the shoulder bath while taking a bath. Can do.

In addition, FIG. 29 shows a specific example in which the unit is installed horizontally with respect to the wall surface 900, but a similar effect can be obtained by installing it vertically and using it as a body shower. For example, when it is desired to use it as a whole body, it can be reciprocated to discharge water over a wide area, and a part such as hair can be washed and dripped, and if it is stopped, it can be stopped at a position suitable for that part and discharged.

FIG. 30 is a schematic diagram showing a specific example of a water discharge device using a water discharge cylinder 180 as a nose.

In this specific example, the water discharge cylinder 180 protrudes from the housing in only one direction, and the tip thereof opens in a faucet shape. The water discharge cylinder 180 reciprocates linearly in the direction of arrow M, and the water discharge position changes periodically. Therefore, a wide area can be washed without moving the object. By installing this water discharge device, for example, in a sink, it is possible for the user to widen the water discharge range and increase the cleaning efficiency when washing hands or dishes. The In addition, an easy-to-use hand-washing machine can be provided for the elderly and the disabled.

Then, by operating the speed control unit 200, it is possible to operate at a slow or high moving speed according to the user's preference. Furthermore, by operating the speed control unit 200 or the stop mechanism 300, water can be discharged while being fixed at a user's favorite position. For example, when you want to wash a specific part intensively or when you want to drain water, you can stop the water discharge cylinder 180 to discharge water, which is convenient. At this time, you can stop at your favorite position, so it is convenient not only to wash your hands but also to wash a large pot in the kitchen.

[0110] The embodiments of the present invention have been described with reference to specific examples. However, the present invention is not limited to these specific examples.

That is, even if any one of those skilled in the art has changed the design of any element constituting the water discharge device of the present invention, it is included in the scope of the present invention as long as it has the gist of the present invention.

[0111] For example, even if the person skilled in the art gives appropriate changes to the outer shape of the water discharge device and the water discharge nozzle, the shape or arrangement of the speed control unit, the stop mechanism, and other components, the stroke, etc. As long as the gist of the present invention is included, it is included in the scope of the present invention.

In addition, it is only necessary that the inlets corresponding to the left and right pressure chambers are formed with respect to the inlets. For example, a branched flow path is formed in the housing so that the inlets are connected to the inlets. Even if there is only one mouth, it is possible to simplify piping.

[0112] The field of application of the water discharge device is not limited to bathrooms, hand-washing or kitchens. In addition, for example, when the water discharge device of the present invention is incorporated in a cleaning device of an automobile, water can be discharged in a stopped state by uniformly showering over a wide range and changing the power speed. Furthermore, by incorporating such a water discharge device into a cleaning device at various industrial sites such as semiconductors, food, medicine, paper pulp, automobiles, etc., for example, semiconductor wafers, liquid crystal panel substrates, etc. In addition, various raw materials, materials and parts can be cleaned efficiently. Also in this case, electromagnetic noise that does not need to be supplied with power supply or lubricating oil does not occur, it is not affected by noise, it is hygienic, and it is a maintainer. Various effects such as excellent resistance can be obtained.

[0113] Also, for example, it is suitable for use in applications such as spraying water to plants in a garden or field, or watering a ground. That is, it is possible to realize a water discharge device that is compact and compact, has excellent portability, does not require electric power, and can discharge water in a stopped state with a variable speed. Industrial applicability

[0114] According to the present invention, with a compact and simple structure, it is possible to perform repetitive linear motions using hydraulic power, and further, stop the repetitive motions according to the user's preference while discharging water, It is possible to provide a water discharger capable of controlling the speed, and there are many industrial advantages.

Claims

The scope of the claims

[1] a housing having a columnar space inside;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A speed control unit for providing variable sliding resistance to the water discharge cylinder;

A water discharging apparatus comprising:

[2] The water discharging device according to claim 1, wherein the speed control unit is provided in a bearing portion of the housing that supports the water discharging cylindrical body.

[3] The water discharge device according to claim 1 or 2, wherein the speed control unit includes a brake member and a tightening mechanism that presses the brake member against the water discharge cylinder.

[4] The speed control unit includes a bag-like cuff made of an elastic material, and a fluid introduction unit that is brought into pressure contact with the water discharge cylinder by introducing a fluid into the cuff and inflating the fluid. The water discharger according to claim 1 or 2.

[5] a housing having a columnar space inside;

A first water inlet for introducing a fluid into the first pressure chamber; A second water inlet for introducing a fluid into the second pressure chamber;

A water discharging apparatus comprising:

[6] a housing having a columnar space inside;

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A water discharging apparatus comprising:

7. The water discharge device according to claim 6, wherein the bypass water channel communicates with the first and second pressure chambers at both ends of the space of the housing.

[8] A housing having a columnar space inside;

The columnar space can be moved in the space while being divided into first and second pressure chambers. A core having a flow path inside the core,

A first water inlet for introducing a fluid into the first pressure chamber;

A second water inlet for introducing a fluid into the second pressure chamber;

A support fixed to the housing;

A water discharging apparatus comprising:

[9] When fluid is supplied to the first and second water inlets with the first inlet closed and the second inlet opened, the core is directed toward the second pressure chamber. When the fluid is supplied to the first and second water inlets with the second inlet port closed and the first inlet port opened, the core enters the first pressure chamber. The water discharge device according to any one of claims 8 to 8, wherein the water discharge device moves toward the water.

[10] The water discharging device according to any one of claims 1 to 9, wherein a moving direction of the core and a moving direction of the valve body are substantially the same.

[11] The control means includes a first state in which an opening degree of the second introduction port is larger than an opening degree of the first introduction port, and the opening degree of the second introduction port. The water discharge device according to any one of claims 1 to 10, wherein the second state in which the opening of the first inlet is large can be alternatively maintained.

[12] The control means includes

Operates with a stroke longer than the moving stroke of the valve body and moves the valve body A slide bar

The water discharge device according to any one of claims 1 to 10, wherein the water discharge device includes: a leaf spring that biases the slide bar toward one end or the other end of the stroke.