WO2013001948A1 - Injecteur de mélange de solution - Google Patents

Injecteur de mélange de solution Download PDF

Info

Publication number
WO2013001948A1
WO2013001948A1 PCT/JP2012/063333 JP2012063333W WO2013001948A1 WO 2013001948 A1 WO2013001948 A1 WO 2013001948A1 JP 2012063333 W JP2012063333 W JP 2012063333W WO 2013001948 A1 WO2013001948 A1 WO 2013001948A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
liquid
liquid agent
flow path
tank
Prior art date
Application number
PCT/JP2012/063333
Other languages
English (en)
Japanese (ja)
Inventor
高城　壽雄
Original Assignee
有限会社寿通商
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 有限会社寿通商 filed Critical 有限会社寿通商
Priority to DE112012002715.9T priority Critical patent/DE112012002715B4/de
Priority to JP2013522533A priority patent/JP5841146B2/ja
Publication of WO2013001948A1 publication Critical patent/WO2013001948A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042—Adding fertiliser to watering systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089—Regulating or controlling systems
    • A01M7/0092—Adding active material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1663—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative translatory movement of the valve elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1418—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet for supplying several liquids or other fluent materials in selected proportions to a single spray outlet
    • B05B12/1427—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet for supplying several liquids or other fluent materials in selected proportions to a single spray outlet a condition of a first liquid or other fluent material in a first supply line controlling a condition of a second one in a second supply line
    • B05B12/1436—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet for supplying several liquids or other fluent materials in selected proportions to a single spray outlet a condition of a first liquid or other fluent material in a first supply line controlling a condition of a second one in a second supply line the controlling condition of the first liquid or other fluent material in the first supply line being its flow rate or its pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
    • B05B7/2443—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge
    • B05B7/2445—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge and a secondary stream of carrying liquid being brought together in the container or putting the carried liquid under pressure in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
    • B05B7/2454—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together by parallel conduits, one conduit being in the other
    • B05B7/2456—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together by parallel conduits, one conduit being in the other and a secondary stream of carrying liquid being brought together in the container or putting the carried liquid under pressure in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B05B7/28—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid
    • B05B7/32—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid the fed liquid or other fluent material being under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B05B7/28—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid
    • B05B7/30—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid the first liquid or other fluent material being fed by gravity, or sucked into the carrying fluid

Definitions

  • the present invention is a liquid mixture injector mainly used in horticulture or agriculture, and is connected to a water supply facility and mixes and injects a second liquid into water supplied from the water supply facility. About.
  • a water injector provided with a control valve which is a liquid agent mixing injector that mixes and injects a second liquid such as liquid fertilizer with water, has been used.
  • the liquid agent mixing injector includes a liquid agent tank that stores a second liquid and a liquid agent channel that introduces the second liquid from the liquid agent tank to the main channel, and the second liquid is mixed with water and injected. It was spraying from the mouth.
  • various liquids other than water such as liquid fertilizers, agricultural chemicals and other chemicals, and detergents used for car washing and the like have been used.
  • Patent Document 1 discloses that a liquid agent from a liquid agent tank is provided in which a portion with an extremely narrow diameter is provided in the path of the main flow path, a negative pressure generator is provided with a large diameter on the downstream side. There is a description that a flow path is connected to this negative pressure generating section, a second liquid is introduced into the main flow path by a negative pressure generated when water flows, and the liquid is mixed and ejected.
  • Patent Document 2 is a liquid agent mixing injector provided with a negative pressure generating part as in Patent Document 1, and this negative pressure generating part branches not only from the liquid agent flow path but also from the main flow path to open and close the valve. The thing which connected also the bypass flow path which provided was described.
  • Patent Document 3 describes a configuration in which a second liquid is introduced from a liquid agent flow channel into a main flow channel using an air ejector or a pump instead of the negative pressure generating unit.
  • Japanese Patent Application Laid-Open No. H10-228667 describes a liquid agent passage provided with an open / close valve for opening and closing the liquid agent passage or a needle valve (liquid agent passage valve) for reducing the diameter of the liquid agent passage.
  • Patent Document 5 discloses a liquid agent mixing injector provided with a negative pressure generating portion as in Patent Document 1, and discharges water into the liquid agent tank by a branch channel (second system) that branches from the main channel. The one that pressurizes the second liquid in the liquid tank is described.
  • the amount of water injection can be adjusted by adjusting the opening degree of the flow control valve. Since the water pressure also increases or decreases and the amount of the second liquid introduced changes, the concentration of the jetted mixed water (the mixture of the second liquid and water) changes.
  • the concentration is insufficient for the desired value, the effect of the solution will be insufficient, and conversely, if the concentration is excessive, the crop will be adversely affected. Or waste of liquid consumption.
  • some conventional horticultural water injectors are provided with an injection switching valve that is provided with two or more injection ports at the tip and can switch between two or more injection shapes such as straight injection and shower injection. It was. Even when the liquid mixture injector is configured so that the injection shape can be switched, the flow rate of the water in the main channel is changed by changing the total area of the injection port and the water flow resistance of the main channel at the time of switching. However, since the amount of the second liquid introduced changes due to the increase or decrease of the water pressure in the main channel, the concentration of the mixed water to be injected has changed.
  • a change in the water pressure of the main flow path can be achieved by opening and closing the bypass flow path of Patent Document 2, operating the pump of Patent Document 3, etc., or operating the liquid flow path valve of Patent Document 4.
  • the amount of the second liquid introduced can be adjusted according to the flow rate, it takes time and effort to manually adjust the amount of the second liquid introduced, and the amount of the second liquid introduced is appropriately adjusted according to the water flow rate. It was difficult to adjust to.
  • An object of the present invention is to provide a liquid mixture injector that can maintain the concentration of the injected mixed water substantially constant.
  • 1st invention forms the main flow path which allows the water supplied from water supply equipment to pass through inside, has an injection nozzle which spouts water at the front-end
  • a flow control valve that opens and closes the main flow path and / or increases or decreases the water flow rate by operation, a liquid agent tank that contains a second liquid other than water, and the second liquid from the liquid tank to the main flow path
  • a liquid agent mixing injector provided with a liquid agent flow channel to be introduced, formed at the end of the branch flow channel, a branch flow channel branched from the main flow channel upstream from the junction with the liquid flow channel,
  • a water level detection valve that closes the air flow path and prevents water from flowing into the liquid agent tank when the water level inside the water tank rises above a predetermined height. To do.
  • a main flow path for allowing water supplied from a water supply facility to pass therethrough is formed therein, and a nozzle is provided at the front end of the main flow path to eject water, and is disposed in the main flow path.
  • a flow control valve that opens and closes the main flow path and / or increases or decreases the water flow rate by operation, a liquid agent tank that contains a second liquid other than water, and the second liquid from the liquid tank to the main flow path
  • a liquid agent mixing injector provided with a liquid agent flow channel to be introduced, formed at the end of the branch flow channel, a branch flow channel branched from the main flow channel upstream from the junction with the liquid flow channel
  • the liquid agent tank has a deformable portion that can be deformed by water pressure, and the deformable portion is disposed inside the water tank, and the water flow rate and / or the water pressure of the main channel is Adjust the amount of water in the water tank by changing , And adjusting the force to pressurize the main road to the second liquid of the liquid tank via the deformable portion.
  • the fourth invention is characterized in that the deformable portion is formed of a soft material.
  • the fifth invention is characterized in that the deformable portion includes a plug member that constitutes a part of the outer wall of the liquid agent tank and that can reciprocally slide inward with respect to the other part of the liquid agent tank.
  • a liquid agent flow that adjusts an amount of the second liquid passing through the liquid agent flow path by opening and closing the liquid agent flow path or increasing or decreasing a flow passage sectional area of a part of the liquid agent flow path.
  • a road valve is provided in the liquid agent flow path.
  • the seventh aspect of the invention is characterized in that a backflow prevention valve for preventing a backflow of water or a second liquid from the main passage to the liquid agent tank is provided in the liquid passage.
  • a negative pressure is generated in the vicinity of a junction of the main channel with the liquid agent channel to generate a negative pressure in the main channel and promote the introduction of the second liquid from the liquid agent channel.
  • the ninth invention is characterized by having an injection switching valve for switching between two or more injection shapes while having two or more types of the above-mentioned injection ports.
  • the tenth invention is characterized in that the deformable portion is formed in a bellows shape that can be expanded and contracted in the vertical direction.
  • An eleventh aspect of the invention includes an injector body including the injection port and the flow rate control valve, and a container body including the water tank and the liquid agent tank, and between the injector body and the container body.
  • the connecting hose portion having elasticity is connected.
  • a liquid agent tank that contains a second liquid other than water, and a liquid agent channel that introduces the second liquid from the liquid agent tank to the main channel,
  • a branch flow path that branches from the main flow path upstream from the junction, and a water tank that is formed at the end of the branch flow path and contains water, and the water tank interior and the liquid agent tank interior communicate with each other.
  • the amount of water flowing from the main flow path into the branch flow path is increased or decreased accordingly, and the second liquid Since the force to pressurize is also increased or decreased, the amount of the second liquid mixed with water can be made to follow, and the concentration of the injected mixed water can be kept substantially constant.
  • a water level detection valve that closes the air flow path and prevents water from flowing into the liquid agent tank when the water level inside the water tank rises above a predetermined height. Since the water inside the water tank can be prevented from mixing into the liquid agent tank through the air flow path, and the concentration of the second liquid in the liquid agent tank can be kept constant, Can be kept constant.
  • a liquid agent tank that contains a second liquid other than water, and a liquid agent channel that introduces the second liquid from the liquid agent tank to the main channel
  • a branch channel that branches from the main channel upstream from the junction of the main channel and a water tank that is formed at the end of the branch channel and that stores water, and the liquid tank can be deformed by water pressure.
  • the deformable part is disposed inside the water tank, the amount of water in the water tank is adjusted by a change in the water flow rate and / or water pressure in the main flow path, and the liquid agent tank is adjusted via the deformable part.
  • the amount of water flowing from the main flow path into the branch flow path is increased or decreased accordingly, and the second liquid Since the force to pressurize is also increased or decreased, the amount of the second liquid mixed with water can be made to follow, and the concentration of the injected mixed water can be kept substantially constant.
  • the deformable portion is formed of a soft material, the deformable portion is elastically deformed inward by the water pressure inside the water tank, and the second liquid is pressurized to the main channel side. Can be mixed with water and sprayed.
  • the deformable portion constitutes a part of the outer wall of the liquid agent tank and includes a plug member that can reciprocally slide inward with respect to the other portion of the liquid agent tank.
  • the deformable portion slides inward by the water pressure inside the tank, and the second liquid can be pressurized toward the main flow path, mixed with water, and sprayed.
  • the amount of the second liquid passing through the liquid agent flow path is adjusted by opening / closing the liquid flow path or increasing / decreasing a partial flow area of the liquid agent flow path.
  • the amount of the second liquid introduced into the main flow path is adjusted according to the properties of the second liquid when a constant amount of water is being injected. can do.
  • a backflow prevention valve for preventing a backflow of water or the second liquid from the main passage to the liquid agent tank is provided in the liquid agent passage. Since the concentration of the liquid can be kept constant, the concentration of the mixed water to be ejected can also be kept constant.
  • a negative pressure is generated in the main flow channel in the vicinity of the joining portion of the main flow channel with the liquid agent flow channel to urge the introduction of the second liquid from the liquid flow channel.
  • the ninth aspect of the present invention there are two or more types of the above-mentioned injection ports, and by providing the injection switching valve that switches between two or more injection shapes, according to the change in the water pressure of the main flow path accompanying the switching of the injection shapes.
  • the concentration of the injected mixed water can be kept constant by increasing or decreasing the amount of the second liquid introduced.
  • the deformable portion is formed in a bellows shape that can be expanded and contracted in the vertical direction, the deformable portion is reduced and deformed upward by the water pressure inside the water tank, and the second liquid Can be pressurized to the main channel side, mixed with water and sprayed.
  • an injector body provided with the injection port and the flow rate control valve, and a container body provided with the water tank and the liquid agent tank, and between the injector body and the container body.
  • (A) is a top view of the same liquid agent mixing injector
  • (b) is a bottom view of the same liquid agent mixing injector.
  • (A) is a top view of the same liquid agent mixing injector, (b) is a bottom view of the same liquid agent mixing injector.
  • FIG. 5A is a plan view
  • FIG. 5B is a left side view
  • FIG. 5C is a front view
  • FIG. (F) It is a rear view.
  • (A) is a perspective view of the valve body
  • (b) is a cross-sectional view taken along line AA of the valve body. It is a side view of the liquid agent mixing injector which concerns on 3rd embodiment of this invention.
  • (A) is a top view of the same liquid agent mixing injector
  • (b) is a bottom view of the same liquid agent mixing injector. It is a front view of the same liquid agent mixing injector. It is a perspective view of the same liquid agent mixing injector. It is side sectional drawing of the same liquid agent mixing injector. It is an expanded sectional view which shows the air flow path in FIG. It is a partially exploded sectional view which shows the water level detection valve of the same liquid agent mixing injector. It is side sectional drawing of the liquid agent mixing injector which concerns on 4th embodiment of this invention. It is side sectional drawing of the liquid agent mixing injector which concerns on the 1st modification of 4th embodiment of this invention.
  • FIG. 1 It is a perspective view of the liquid agent mixing injector which concerns on 5th embodiment of this invention. It is side sectional drawing of the same liquid agent mixing injector. It is an expanded side sectional view which shows the modification which provided the injection switching valve, (a) is a figure of straight injection, (b) is a figure of shower injection. It is an expanded sectional view which shows the backflow prevention valve of a liquid agent flow path. It is a side fragmentary sectional view of the liquid agent mixing injector which concerns on the 2nd modification of 4th embodiment of this invention. It is a figure which shows the liquid agent container which concerns on 5th embodiment of this invention, (a) is a side schematic diagram, (b) is a plane schematic diagram.
  • This liquid mixture injector is used for horticulture, agriculture, and other watering operations, and is a device that mixes a second liquid with water supplied from a water supply facility such as a water supply.
  • the second liquid is not particularly limited as long as it is a liquid other than water, such as liquid fertilizer, agricultural chemicals and other chemicals, and a detergent used for car washing.
  • the liquid mixture injector 1 is configured such that the base end portion is inserted into the distal end of the hose 2 and the hose 2 is held down by the clamp member 3 and the holding member 4 from the outside. It is connected to the tip.
  • the restraining member 4 is formed to be screwable with the base end portion, and the hose 2 can be attached to and detached from the liquid agent mixing injector 1.
  • the liquid agent mixing injector 1 is formed with a substantially L-shaped main flow path 5 that passes through the inside from the base end portion to the tip end.
  • a watering plate 7 (see FIGS. 3 and 4) provided with an injection port 6 made of a hole is attached.
  • the injector main body 8 is configured by connecting a plurality of members including pipe elements.
  • a flow rate control valve 9 is provided at the bent portion of the main flow path 5 to open and close the main flow path 5 by an external operation and increase or decrease the flow rate of water supplied from the water supply facility.
  • the flow control valve 9 includes a valve seat 9a in which the diameter of the main flow path 5 is made smaller than that of other portions, a needle valve 9b having a tapered valve body in contact with the valve seat 9a at the tip of the rod-shaped member, A coil spring 9c that abuts the needle valve 9b and the inner wall of the main flow path to urge the needle valve 9b toward the valve seat 9a, and is attached to one end of the needle valve 9b that is exposed to the outside through the inner wall of the main flow path. And an operation lever 9d. One end of the operation lever 9d is attached to the needle valve 9b, the other end side is formed as a grip portion, and the intermediate position is attached to the injector body 8 as a fulcrum.
  • the flow control valve 9 is closed in the natural state, but when the operation lever 9d is gripped toward the injector body 8 as shown in FIG. 5, the needle valve 9b is against the urging force of the coil spring 9c. Can be separated from the valve seat 9a, the main flow path 5 can be opened, and water can be injected from the injection port 6. Further, since the valve body is formed to be tapered, not only the main flow path 5 is opened and closed by the operation of the flow control valve 9, but also the increase and decrease of the water flow rate can be controlled by the opening degree.
  • the liquid agent mixing injector 1 has a liquid agent tank 10, and a second liquid contained in the liquid agent tank 10 can be mixed with water and injected.
  • the second liquid may be a liquid other than water, such as liquid fertilizer, agricultural chemicals or other chemicals, or a detergent used for car washing, or may be a solid chemical dissolved in water.
  • the liquid agent tank 10 is formed as a bottomed cylindrical container, and is attached to the liquid agent tank mounting member 11 constituting a part of the injector body 8 by a male screw formed on the upper outer periphery. Screwed onto the formed female screw.
  • the liquid agent tank mounting member 11 is formed with a tubular liquid agent passage 11c between a lid portion 11a that is formed with the female screw and serves as a lid of the liquid agent tank 10 and a joining portion 11b that constitutes a part of the main passage 5. Communicate.
  • a liquid agent channel extending member 12 is connected to the liquid agent channel 11 c and extends to the vicinity of the bottom of the liquid agent tank 10.
  • a tubular member can be used as the liquid agent channel extending member, and a metal or polymer resin member can be used as the material of the tubular member, and a hose member made of vinyl chloride resin is preferable.
  • an elastic material such as vulcanized rubber may be used.
  • the second liquid can be introduced into the main flow path by the liquid agent flow path 11 c and the liquid agent flow path extending member 12 of the liquid agent tank mounting member 11.
  • a branch flow path 13 from which water branches from the main flow path 5 is provided upstream of a portion where the liquid flow path 11 c is joined.
  • the branch channel 13 is formed by forming a pipe branched from the main channel 5 in the channel branching member 14 constituting a part of the main channel 5, and a lid portion 14 a serving as a lid of the water tank 15 is provided at the end. ing.
  • the water tank 15 is formed as a bottomed cylindrical container, and is screwed to the female screw of the lid portion 14a of the flow path branching member 14 by a male screw formed on the outer periphery of the upper part.
  • a drain port 15a is formed at the bottom of the water tank 15, and a bottom plate member 16 is detachably attached to the edge of the drain port 15a by screwing or the like. Thereby, when the water level inside the water tank 15 rises more than necessary, the bottom plate member 16 can be removed and drained.
  • a vent pipe 14 b is formed in the lid portion 14 a of the flow path branching member 14.
  • a vent pipe 11d is also formed in the lid portion 11a of the liquid agent tank mounting member 11, and is connected to the vent pipe 14b.
  • the air flow path 17 which enables ventilation
  • an O-ring 18 is disposed in the vicinity of the screwed portion between the water tank 15 and the lid portion 14a to keep the water tank 15 airtight.
  • an O-ring 19 is also arranged in the vicinity of the screwed portion between the liquid agent tank 10 and the lid portion 11a to keep the liquid agent tank 10 airtight.
  • Each component forming the injector body 8, the water tank 15, and the liquid tank 10 includes a metal (stainless steel, aluminum alloy, etc.), a resin (ABS, polyoxymethylene, polypropylene, polyethylene, or other thermoplastic resin or heat. Curable resins) and elastomers (thermoplastic elastomers composed of hard segments and soft segments, such as silicon-based and urethane-based) can be used, but thermoplastic resins are particularly preferable in terms of moldability and manufacturing cost.
  • O-rings 18 and 19 are preferably made of vulcanized rubber (NBR, EPDM, fluorine rubber, silicon rubber, etc.) or elastomer, and vulcanized rubber is particularly preferable from the viewpoint of sealing and deformation resistance. preferable.
  • the second liquid can be automatically mixed with water and injected without providing a special negative pressure generating section.
  • the flow rate of water passing through the main flow path 5 is increased or decreased by the operation of the flow control valve 9 or the operation of the water supply equipment, the amount of water flowing from the main flow path 5 to the branch flow path 13 is increased or decreased accordingly. Since the force by which water pressurizes the air toward the liquid agent tank 10 and the force by which the air pressurizes the second liquid in the liquid agent tank 10 also increase / decrease, the amount of the second liquid mixed in the water can be followed. The concentration of the injected mixed water can be kept almost constant.
  • a branch channel extension member 63 may be connected to the branch channel 13 and extended to the vicinity of the bottom inside the water tank 15.
  • a tubular member can be used as the branch flow path extending member 63.
  • a metal or polymer resin member can be used as the material of the tubular member, and a hose member made of vinyl chloride resin is suitable.
  • an elastic material such as vulcanized rubber may be used.
  • the amount of water flowing from the main flow path 5 to the branch flow path 13 is increased or decreased accordingly, and it is possible to reverse the flow of water from the branch flow path 13 to the main flow path 5.
  • the effect of adjusting the increase / decrease in the force of pressurizing to the side and the force of the air pressurizing the second liquid in the liquid agent tank 10 is further enhanced, and the amount of the second liquid mixed with water is made to follow the amount of water in the main channel.
  • the concentration of the mixed water to be injected can be kept more constant. Further, when the main flow path 5 is closed by the flow control valve 9 and after it is closed, the lower opening of the branch flow path extending member 63 exists in the water of the water tank 15.
  • the distance between the uppermost position of the lower opening of the branch flow path extension member 63 and the bottom inside the water tank 15 is preferably 20 mm or less, and further 10 mm or less, In particular, the thickness is preferably 5 mm or less.
  • the branch flow path extending member 63 By providing the branch flow path extending member 63, it becomes possible to flow water from the water tank 15 to the main flow path 5. Therefore, when the flow control valve 9 is closed, the water accumulated in the water tank 15 is allowed to flow. 13 and the main flow path 5 can be discharged to the outside from the injection port 6, that is, a water discharge mechanism that can discharge the water accumulated in the water tank 15 to the outside without disassembling the apparatus can be realized.
  • the branch flow path extending member 63 it is possible to realize a water discharge mechanism that automatically discharges water accumulated in the water tank to the outside when the flow control valve 9 is closed.
  • ⁇ Second embodiment> 6 to 14 show a second embodiment of the present invention.
  • the liquid agent mixing injector 23 of the second embodiment is provided with a water level detection valve inside the water tank 15, and the liquid agent passage in the liquid agent passage 11 c from the liquid agent tank 10 to the main passage 5. It differs from the first embodiment in three configurations: a valve is provided, and a negative pressure generating part is provided in the vicinity of a joining part between the main flow path 5 and the liquid agent flow path 11c. It is effective as an embodiment of the present invention that only one of these three configurations is added to the first embodiment, or two are combined and added to the first embodiment. Is.
  • the liquid agent mixing injector of the second embodiment has an air flow path 17 indicated by a dotted arrow in FIG.
  • the water level detection valve closes the air flow path 17 when the water level inside the water tank 15 rises to a predetermined height or more, and the water in the water tank 15 is allowed to flow into the liquid agent tank 10. It prevents it from being mixed in.
  • the water level detection valve includes a flow path branching member 14 serving as a part of the air flow path 17 and a valve seat, and a float member 20 as a valve body.
  • the float member 20 is formed by assembling two upper and lower members of a float upper member and a float lower member, and the density is made smaller than water as a whole and floats on water.
  • the float lower member includes a substantially cylindrical water level sensing unit 20a exposed in the water tank from a lower end of a float holding member 22 described later, and a large-diameter bottomed cylindrical coupling provided on the water level sensing unit 20a. It consists of.
  • the float upper member includes a coupling portion formed in a large-diameter covered cylindrical shape, and a substantially columnar valve body portion 20b provided on the coupling portion.
  • An O-ring 21 is provided around the lowermost part of the valve body 20b.
  • valve body portion 20b has a substantially cross-shaped cross section by providing four grooves in the axial extending direction (vertical direction in FIG. 11) of the valve body portion 20b on the peripheral wall of the valve body portion 20b. Forming.
  • the float upper member and the float lower member are integrally assembled with each other by screwing, joining, or the like, and a space for accommodating air is provided therein to reduce the density of the float member 20 as a whole.
  • the float member 20 may have a hollow structure in which a gas such as air is enclosed, or may be formed of a material having a density lower than that of water. In short, the float member 20 may have a structure and / or material that floats on water. . In addition, in order to implement
  • the flow path branching member 14 constitutes a part of the main flow path 5 and forms a branch flow path 13 branched from the main flow path 5.
  • a lid portion serving as a lid of the water tank 15 is formed at the end of the branch flow path 13.
  • the point provided with 14a is the same as in the first embodiment.
  • an air flow path 17 is provided, and as shown in FIGS. 6 and 12, the valve body portion 20b of the float member 20 is moved up and down in a part of the air flow path.
  • a liftable space 14c is provided.
  • a float holding member 22 is provided immediately below the lid portion 14 a of the flow path branching member 14.
  • This float holding member 22 is stretched over the upper part of the water tank 15 to hold the float member 20 at a predetermined height, and at a position where the water level sensing unit 20a of the float member 20 is held.
  • a hole is formed so that the water level sensing unit 20a is exposed in the water tank.
  • the float holding member 22 is formed with a vent hole 22a, which forms a flow path that allows the inside of the water tank 15 and the air flow path 17 of the flow path branching member 14 to communicate with each other.
  • a predetermined gap is provided between the float holding member 22 and the lid portion 14a so that the float member 20 can be lifted as the water level rises.
  • the liquid agent mixing injector 23 of the second embodiment when the second liquid is mixed with water, water flows into the water tank 15 from the main flow path 5 and the water level is adjusted. If it becomes more than predetermined height, the water level detection part 20a of the float member 20 will contact the water surface, and the float member 20 will raise according to a raise of a water level. As the float member 20 rises, the O-ring 21 provided around the lowermost part of the valve body 20b closes the air flow path 17 provided in the lid (see FIG. 11). As a result, the water does not mix with the liquid agent tank 10 through the air flow path 17.
  • the O-ring 21 is preferably made of vulcanized rubber (NBR, EPDM, fluorine-based rubber, silicon-based rubber, etc.) or an elastomer, like the O-rings 18 and 19, and is particularly vulcanized from the viewpoint of hermeticity. Rubber is preferred.
  • a liquid agent flow path valve is provided in the liquid agent flow path 11c, and when the injection of a constant amount of water is performed, the amount of the second liquid mixed with water is increased or decreased. The concentration of mixed water can be adjusted.
  • This liquid passage valve includes a rotary valve body 24 that passes through the liquid passage 11c shown in FIG. 10 substantially vertically and an operation knob 25 (see FIG. 9) attached to the valve body 24.
  • the valve body 24 of the liquid agent passage valve is formed in a substantially conical shape that closes the liquid agent passage 11 c, and has a through hole 24 a through which water passes in the center. .
  • a pair of adjustment grooves 24b and 24c are formed in the circumferential direction of the valve body 24 from the through hole 24a.
  • the adjustment groove 24b on the inlet side that is, the water tank side, extends to a range of approximately 90 degrees with respect to the direction of the through hole 24a, and is formed with a constant width and depth over the entire range.
  • the adjustment groove 24c on the outlet side that is, the main flow path side, is extended to a range of about 90 degrees with respect to the direction of the through hole 24a, symmetrically with the adjustment groove 24b on the upstream side. Has been.
  • a cylindrical mounting portion 24d for assembling the operation knob 25 is provided at one end of the valve body 24, a female screw is formed on the inner periphery of the mounting portion 24d, and the male screw of the operation knob 25 is provided. Screwed (not shown).
  • the operation knob 25 is exposed to the outside of the liquid mixture injector 23 and has a knob portion 25 a so that the valve body 24 is rotated by picking it with a finger and rotating it. Can be made.
  • the operation knob 25 is rotated to inject the valve body 24 when a certain amount of water is being injected.
  • the through hole 24 a is matched with the liquid agent flow passage 11 c, the second liquid passes through only the widest and short through hole 24 a in the valve body 24. For this reason, the channel resistance is reduced, a relatively large amount of the second liquid is introduced into the main channel 5, and the concentration of the mixed water to be ejected is increased.
  • the adjustment grooves 24b and 24c of the valve body 24 are matched with the liquid agent flow passage 11c, and the second liquid becomes the adjustment groove 24b on the inlet side.
  • the through hole 24a and the adjustment groove 24c on the outlet side pass through a long flow path. For this reason, the flow path resistance increases, a relatively small amount of the second liquid is introduced into the main flow path 5, and the concentration of the mixed water to be ejected decreases.
  • the adjustment groove 24c on the outlet side is formed narrower as the distance from the through hole 24a increases, the cross-sectional area of the flow path becomes smaller as the through hole 24a and the liquid agent flow path 11c are largely rotated from the position where they match, The road resistance increases and the concentration of the mixed water decreases.
  • the liquid agent flow path 11c is closed by the valve body 24.
  • the second liquid is not supplied to the main flow path 5, and water that does not contain the second liquid is jetted.
  • the liquid agent flow path 11c can be opened and closed by the liquid agent flow path valve, and the amount of the second liquid introduced into the main flow path 5 can be adjusted.
  • an electric liquid agent passage valve that can control the flow rate of the liquid agent using a power source can be used, and the liquid agent passage valve shown above And an electric liquid passage valve can be provided side by side.
  • a concentration sensor capable of measuring the concentration of the liquid agent flow path is disposed downstream of the liquid agent flow path or the main liquid solution flow path, and the concentration of the liquid agent from the concentration sensor is provided. It is preferable that the flow rate of the liquid agent in the electrical liquid passage valve is adjusted using the data.
  • a negative pressure generating unit that generates a negative pressure and promotes the introduction of the second liquid is provided in the vicinity of the junction of the liquid agent channel 11 c and the main channel 5.
  • This negative pressure generating part is formed by forming a part of the main flow path into a double-pipe structure composed of an inner pipe 26 and an outer pipe 27, and providing the outer pipe 27 with a junction with the liquid agent flow path 11c.
  • the distal end portion of the inner tube 26 is reduced in diameter so as to have a narrow diameter and open into the outer tube 27.
  • the cross-sectional area of the tube decreases, the flow velocity increases, so that water that has passed through the inner tube 26 is discharged into the outer tube 27 at a high speed.
  • the flow rate of the water in the outer tube 27 is also increased, but the pressure is reduced inside the outer tube 27 having a large cross-sectional area accordingly. For this reason, a negative pressure is generated in the vicinity of the joining portion between the liquid agent channel 11 c and the main channel 5, and a force that pulls the second liquid toward the main channel 5 side acts.
  • the negative pressure of the negative pressure generating unit Since the second liquid is pulled by the second liquid, the second liquid can be more reliably introduced into the main flow path 5 and mixed with water. Further, when there is an increase or decrease in the water flow rate of the main flow path 5, as in the first embodiment, the adjustment comprising the branch flow path 13, the water tank 15, the air flow path 17, the liquid agent tank 10, and the liquid agent flow path 11c.
  • the mechanism can keep the concentration of the mixed water constant by following the amount of the second liquid introduced.However, since this adjustment mechanism uses air, the air becomes a buffering material, making adjustments. It may take time. However, by providing the negative pressure generating part, the negative pressure of the negative pressure generating part increases or decreases immediately with the increase or decrease of the water flow rate of the main flow path 5, so that the introduction amount of the second liquid can be immediately followed. it can.
  • the water tank 15 that stores water flowing from the main flow path 5 and the liquid agent tank 10 that stores the second liquid are arranged side by side.
  • the liquid agent mixing injector 28 of the third embodiment is characterized in that the liquid agent tank 10 is embedded in the water tank 15.
  • the lid portion 30a hangs down the threaded portion with the water tank 15 along the outer edge, and is airtightly assembled with the water tank 15 with an O-ring 18 interposed.
  • a liquid agent tank lid member 29 serving as a lid of the liquid agent tank 10 is attached immediately below the lid portion 30 a. From this liquid agent tank lid member 29, a threaded portion with the liquid agent tank 10 is suspended, and the liquid agent tank 10 is airtightly assembled with an O-ring 19 interposed. Further, a tube that forms a part of the liquid agent flow channel for introducing the second liquid into the main flow channel 5 is formed in the central portion of the liquid agent tank lid member 29, and a liquid agent flow channel extension member is formed at the lower end of the tube. 12 is connected, and the liquid agent passage is extended to the vicinity of the bottom of the liquid agent tank 10. The upper part of the tube is connected to a liquid agent flow path provided in the flow path branching member 30 and communicates with the main flow path 5.
  • an air flow path 17 shown by a dotted arrow in FIG. 20 is formed.
  • the liquid agent tank lid member 29 holds a gap between the lid part and a hole 29a for communicating the gap with the water tank 15 and a hole 29b for communicating the gap and the liquid agent tank 10 ( 21), this gap becomes an air flow path 17 through which the water tank 15 and the liquid agent tank 10 are vented.
  • the liquid level mixing valve 28 of the third embodiment is also provided with a water level detection valve.
  • the water level detection valve includes a float member 31 that includes a float upper member and a float lower member, and is formed into a hollow ring as a whole, and an upper surface of the float member 31.
  • a wide packing member 32 is provided. This water level detection valve is mounted so as to surround a screwed portion with the liquid agent tank 10 suspended from the liquid agent tank lid member 29, and when the water level inside the water tank 15 rises to a predetermined height or more, the float member 31.
  • the packing member 32 closes the inlet hole 29 a of the air flow path 17, and water can be prevented from being mixed into the air flow path 17 and the liquid agent tank 10.
  • the packing member 32 includes a base portion that closes the air flow path, and several protrusions that protrude from the base portion toward the float member 31, and these protrusions are provided on the upper surface of the float upper member.
  • the float member 31 is positioned by being inserted into the recess.
  • the base is formed in an annular shape having a square cross section, and the protrusion and the recess are formed in a columnar shape.
  • the protrusion and the recess are preferably fitted together. In addition, it may replace with the fitting using this elastic deformation, or may use together, and methods, such as adhere
  • the packing member 32 is preferably made of vulcanized rubber (NBR, EPDM, fluorine rubber, silicon rubber, etc.) or an elastomer, and has a view point of hermeticity and deformation resistance. In particular, vulcanized rubber is preferable.
  • liquid agent mixing injector 28 of the third embodiment other configurations such as the injector main body 8, the flow rate control valve 9, the liquid agent flow path valve, and the negative pressure generating unit are the same as those of the second embodiment.
  • the liquid agent mixing injector 28 of the third embodiment by providing the liquid agent tank 10 inside the water tank 15, it is possible to make the structure simple in appearance as compared with the first embodiment and the second embodiment. . Further, even if the water in the water tank 15 increases and the second liquid in the liquid agent tank 10 decreases due to use, the center of gravity of the liquid agent mixing injector 28 does not move relatively, so that the usability is improved.
  • the airtight water tank 15 and the airtight liquid agent tank 10 are vented by the air flow path 17, and water is supplied to the water tank 15 to supply air.
  • the liquid agent mixing / injecting device 33 according to the fourth embodiment placed all or part of the liquid agent tank 10 inside the water tank 15. It arrange
  • the liquid agent mixing injector 33 of the fourth embodiment has a main flow path 5 through which water flows from the base end to the injection port, and a flow control valve 9 is provided.
  • a water tank 15 is provided at the end of the branch flow path 13 branched from the main flow path 5
  • a liquid agent tank 10 is provided in the water tank 15, and the second liquid is supplied from the liquid agent tank 10 to the main flow path 5.
  • the point that the liquid agent flow channel to be introduced is formed is the same as that of the third embodiment, and the appearance is almost the same as that of the third embodiment.
  • the liquid agent tank 10 is made of a soft material except for a screwed portion with the liquid agent tank lid member 29, and the liquid agent tank 10 is deformed by water pressure as water flows from the main flow path 5 into the water tank 15. Thereby, a 2nd liquid is introduce
  • the liquid agent tank 10 does not have to be accommodated inside the water tank 15, and a deformable part (deformable portion) formed of a soft material may be disposed inside the water tank 15.
  • a deformable part (deformable portion) formed of a soft material may be disposed inside the water tank 15.
  • the second liquid used in the liquid agent mixing injector 33 of the fourth embodiment it is preferable to use a liquid having a density lower than that of water.
  • any one or two or more of the flow rate control valve 9, the liquid agent flow path valve, and the negative pressure generating unit can be added to the fourth embodiment, and these are also effective as the embodiment of the present invention. It is a thing.
  • liquid agent mixing injector 33 of the fourth embodiment since the liquid agent tank 10 made of a soft material is disposed inside the water tank 15, when the flow control valve 9 is opened, a part of the water passing through the main flow path 5 is obtained. As the amount of water inside the water tank 15 increases by branching to the branch flow path 13, water pressure is applied to the liquid agent tank 10 and the liquid tank 10 is deformed inward. Thereby, since the volume of the liquid agent tank 10 decreases, the second liquid is automatically introduced into the main flow path 5, and the second liquid can be mixed and injected into water.
  • all or part of the liquid agent tank 10 is not formed of a soft material, but a part of the outer wall of the liquid agent tank 10 is You may form as a deformable part which consists of the plug member 34 which can be slid back and forth inside with respect to another part.
  • the deformable portion is watertightly attached to the main body of the liquid agent tank 10 formed in a substantially cylindrical shape so that the plug member 34 corresponding to the bottom plate can slide up and down.
  • the deformable portion of the liquid agent tank 10 is arranged inside the water tank 15, when the flow control valve 9 is opened, a part of the water passing through the main flow path 5 is branched. As the amount of water in the water tank 15 increases by branching to the flow path 13, water pressure is applied to the plug member 34 and the inner side (upper side) is deformed. Thereby, since the volume of the liquid agent tank 10 decreases, the second liquid is automatically introduced into the main flow path 5, and the second liquid can be mixed and injected into water.
  • the liquid agent tank 10 may be formed in a bellows shape as shown in FIG.
  • the bellows-like liquid agent tank 10 is disposed inside the water tank 15, so that when the flow control valve 9 is opened, a part of the water passing through the main flow path 5 is obtained.
  • water pressure is applied to the bellows-shaped liquid agent tank 10 and the bellows is deformed in a contracting direction.
  • the liquid agent passage extension member 12 is connected to the liquid agent passage and extends to the vicinity of the bottom of the liquid agent tank 10.
  • the liquid agent channel extension member 12 has a vertical length L that reaches from the upper initial end position, which is a position connected to the liquid agent channel, to a terminal position located near the bottom of the liquid agent tank 10. It is preferable that the length L of the fluid flow path extending member 12 is such that the length L can be changed according to the expansion and contraction of the bellows-shaped liquid tank 10. For example, it is preferable to form a spiral having elasticity as shown in FIG.
  • the vertical length L of the liquid agent flow path extending member 12 is not necessarily limited to the liquid agent tank. It does not have to be the length to reach the bottom of the ten. However, since the amount of the second liquid used is small and the liquid level of the second liquid may be low from the beginning, L reaches the vicinity of the bottom of the liquid agent tank 10 to surely suck up the second liquid. It is preferable to set it to a length.
  • a tubular member can be used as the liquid agent channel extending member 12, and an elastic material such as a polymer resin member or vulcanized rubber can be used as the material of the tubular member, and a hose member made of vinyl chloride resin is particularly suitable.
  • the second liquid can be stably introduced into the main flow path by the liquid flow path and the liquid flow path extending member 12.
  • the liquid agent tank 10 is deformed to reduce the volume. Therefore, as the air in the water tank 15 increases, a time difference is more likely to occur between the inflow of water from the branch flow path 13 and the deformation of the liquid agent tank 10 (supply of the second liquid to the main flow path 5). Therefore, as the amount of air in the water tank 15 at the start of use is reduced and the amount of water is increased, the time difference between the inflow of water from the branch channel 13 and the supply of the second liquid to the main channel 5 is increased. Is less likely to occur. Therefore, it is preferable to reduce the amount of air in the water tank 15 at the start of use and increase the amount of water. Desirably, with the water tank 15 filled with water, the water tank 15 is mounted on the lid 30a so that only water is substantially contained.
  • the water tank 15 is preferably provided with a ventilation opening / closing valve that opens and closes ventilation between the inside and the outside.
  • This vent on / off valve is preferably provided in the upper part of the internal space around the liquid agent tank 10 into which water flows, and is preferably provided in a site that divides the upper surface of the internal space.
  • the injector body 8 is provided with a branch channel 13 that branches from the main channel 5, and a water tank 15 is provided at the end of the branch channel 13.
  • An air flow path 17 for ventilating the liquid tank 10 and the water tank 15 for storing the liquid is provided, and a liquid flow path 11c for introducing the second liquid from the liquid tank 10 to the main flow path 5 is provided.
  • the branch flow path 13 branched from the main flow path 5 ′ is provided in the main flow path 5 ′ upstream from the injector body 8.
  • the water tank 15 is provided at the end of the branch flow path 13, the liquid tank 10 for storing the second liquid and the air flow path 17 for ventilating the water tank 15 are provided, and the second flow path from the liquid tank 10 to the main flow path 5 ′ is provided.
  • a liquid agent passage 36 for introducing the second liquid is provided.
  • a flow rate control valve 9 a water level detection valve, a liquid agent flow path valve, and a negative pressure generation unit may be provided.
  • the liquid agent tank 10 may be provided outside the water tank 15 as in the first embodiment and the second embodiment.
  • the water channel 15, the liquid agent tank 10, and the like are provided in the main flow path 5 ′ outside and upstream of the injector body 8, so that the liquid agent mixing injector 35 is held at a high position.
  • the injector body 8 having a large amount can be reduced in weight, and the usability of the liquid agent mixing injector 35 can be improved, and the water tank 15 and the liquid agent tank 10 that the user does not have are formed in a large capacity as shown in FIG. It is possible to spray a large amount of mixed water continuously for a long time.
  • the injector body 8 and the container body 60 including the water tank 15 and the liquid agent tank 10 are provided, and the container body 60 and the injector body 8 are It is preferable to arrange the connecting hose portion 61 between them.
  • the connecting hose portion 61 is preferably an elastic connecting hose portion that can be elastically deformed (bent).
  • the length of the elastic connecting hose portion 61 is preferably 30 cm or more, more preferably 50 cm or more, and particularly preferably 70 cm or more.
  • the length of the connecting hose portion 61 is preferably 200 cm or less, more preferably 150 cm or less, and particularly preferably 120 cm or less.
  • the injector main body 8 it is good also as a structure which arrange
  • the container body 60 is not necessarily used together with the injector body 8, and it is technically useful by itself, and can be used for mixing and injecting liquid agents by attaching some mechanism capable of discharging water to the tip. it can.
  • the elastic connecting hose portion 61 is deformed by water pressure and the volume is changed to a large extent, the change in volume tends to cause unevenness in the mixing ratio of the second liquid. It is preferable to use an elastic connection hose portion 61 reinforced with a cord and having a small deformation rate.
  • the elastic connecting hose portion 61 By providing the elastic connecting hose portion 61 in this way, it is possible to facilitate the injection work even if the container body 60 (the liquid agent tank 10 and the water tank 15) is enlarged. If the liquid tank 10 can be enlarged, it is possible to perform mixed injection for a long time without replenishment of the second liquid. Further, if the water tank 15 can be enlarged, the total amount of air flowing from the water tank 15 into the liquid agent tank 10 can be increased, and the remaining liquid agent in the liquid agent tank 10 can be eliminated or the remaining amount can be reduced.
  • the water pressure on the upstream side of the flow rate control valve 9 is the water pressure ( Maintained at tap water pressure). Therefore, when the flow rate control valve 9 is opened again and the injection is resumed, the water pressure in the main flow path 5 'and the water tank 15 is already substantially equal, so that a stable mixing ratio can be obtained immediately.
  • the flow rate control valve 9 may be capable of adjusting not only the opening / closing of the flow path but also the flow rate.
  • the flow control valve 9 is preferably provided in the injector main body 8, and in the fifth embodiment, the flow control valve 9 similar to that in the first embodiment is provided in the injector main body 8.
  • the valve which can open and close a flow path can also be provided in the downstream of the position where the liquid agent flow path 36 merges with the main flow path 5 'of the connection hose part 61 or the container main body 60. Further, a valve capable of opening and closing the flow path can be provided upstream of the position where the branch flow path 13 branches from the main flow path 5 ′. By adding such a valve for opening and closing the flow path, it is possible to improve workability at the time of removing and attaching each member, and to prevent injection without intention of the user. .
  • the flow rate adjusting mechanism is preferably provided only in the injector body 8 in order to prevent an increase in cost.
  • an installation site 62 in the lower part of the water tank 15.
  • the installation part 62 may be provided integrally with the water tank 15 or may be separately attached to the water tank 15.
  • the installation part 62 may be in a form that does not fall down when the container body 60 is placed on a flat part such as the ground.
  • the installation site 62 is more than the projected contour line P of the water tank 15 in which the entire water tank 15 is projected on the horizontal plane.
  • the contour line O in a range in contact with the horizontal plane is preferably located outside.
  • the length O1 + O2 + O3 + O4 of the contour line O of the installation part 62 located outside the projected contour line P of the water tank 15 is a part of the circumference of the projected contour line P of the water tank 15.
  • an air flow path 17 is provided to ventilate the liquid tank 10 containing the second liquid and the water tank 15, and the liquid flow path for introducing the second liquid from the liquid tank 10 to the main flow path 5 '. 36 was provided.
  • all or part of the liquid agent tank 10 is disposed inside the water tank 15 as in the fourth embodiment, and the water pressure inside the water tank 15 is increased. The liquid agent tank 10 is deformed to pressurize the second liquid toward the main flow path 5 '.
  • the liquid agent tank 10 can be formed of a soft material, and a deformable portion (deformable portion) can be disposed inside the water tank 15.
  • a part of the outer wall of the liquid agent tank 10 is formed as a deformable portion including a plug member 34 that can reciprocate inward with respect to the other part of the liquid agent tank 10. This can be placed inside the water tank 15.
  • a bellows-shaped liquid agent tank 10 can be disposed inside the water tank 15.
  • a configuration of the length-variable liquid agent flow path extending member 12 (see FIG. 32) having a spiral shape or the like can also be adopted.
  • Other configurations are the same as in the fifth embodiment, and a connecting hose portion 61 that can be deformed (bent) is provided, or a length-adjustable member such as a hall reel is provided between the injector body 8 and the container body 60.
  • a flow rate control valve 9, a liquid agent flow path valve, a negative pressure generating unit, and the like may be provided.
  • the liquid agent tank 10 can be deformed inward by the water pressure of water flowing into the water tank 15 from the main channel 5 ′, and the second liquid can be supplied to the main channel 5. Furthermore, by arranging the liquid agent tank 10 and the like outside and upstream of the injector main body 8, even if the liquid agent tank 10 is increased in capacity, it is possible to facilitate the injection work by the injector main body 8.
  • two or more types of injection ports may be provided in the injector body 8, and an injection switching valve that switches between two or more injection shapes may be provided.
  • an injection switching valve that switches between two or more injection shapes.
  • a combination of a straight injection port 50 that injects water into a single straight line and a shower injection port 51 that injects water in a shower shape can be used.
  • the front end of the main flow path 5 is closed and a water drain hole 52 is provided on the side surface of the main flow path 5.
  • An injection switching valve 53 is attached to the tip of the injector body 8 so as to be movable back and forth by screwing.
  • the injection switching valve 53 has a shower injection port 51 formed at the tip thereof and an opening formed at the center thereof, and a partition 54 is defined between the shower injection port 51 and the opening.
  • the straight injection shown in FIG. 26 (a) and the shower injection shown in FIG. 26 (b) can be switched.
  • the straight injection state water flows out from the main flow path 5 and the water drain hole 52 into the central space 55 inside the partition 54 and is provided at the tip of the injector body 8 as shown by the arrow in FIG. Injected from the straight injection port 50 through the straight flow path 56.
  • the shower injection state water flows out from the main flow path 5 and the water drain hole 52 to the shower flow path 57 outside the partition 54 and is injected from the shower injection port 51 as shown by the arrow in FIG. .
  • Other configurations are the same as those in the first embodiment.
  • the water injection amount changes when the injection shape is switched, so that the water pressure in the main flow path changes. According to such a change in the water pressure, the pressure of the water flowing into the water tank 15 changes and the force for pressing the second liquid in the liquid agent tank 10 is followed.
  • a liquid mixture injector having an injection switching valve Is particularly suitable for a liquid mixture injector having an injection switching valve.
  • a backflow prevention valve for preventing the backflow of water or the second liquid from the main flow path 5 to the liquid tank 10 may be provided in the liquid flow path 41.
  • the backflow prevention valve is in contact with a valve seat 37 provided in the liquid agent passage 41, a spherical valve body 38 disposed on the downstream side (main flow passage side) of the valve seat 37, and a spring pedestal 39.
  • the coil spring 40 urges the body 38 from the downstream side to the valve seat.
  • the second liquid in the liquid agent tank 10 is pressurized by the water branched from the main flow path 5 to the water tank 15, and the coil spring 40 is attached.
  • the spherical valve body 38 is separated from the valve seat 37 against the force, and the second liquid is introduced into the main flow path 5.
  • the spherical valve body 38 is pressed against the valve seat 37 by the water pressure such as water that flows backward and the urging force of the coil spring 40, and the liquid agent passage 41 is closed, so that backflow is prevented. If the spherical valve body 38 is sufficiently heavy, such as a metal or a metal sphere coated with a thermoplastic elastomer or the like, it can serve as a backflow prevention valve without the coil spring 40.
  • the concentration of the second liquid in the liquid agent tank 10 can be kept constant, and the mixed water to be injected The concentration of can also be kept constant.
  • an air flow path 17 connected from the water tank 15 to the liquid agent tank 10 is provided, and a water level detection valve is provided in the air flow path 17.
  • the water level detection valve can close the air flow path 17 according to the amount of water stored in the water tank 15.
  • the liquid agent mixing injector is greatly inclined, the air flow path 17 is closed, and a tilting closing mechanism is added to prevent water stored in the water tank 15 from flowing into the liquid agent tank 10. It is good to do.
  • the water level sensing valve contact surface which is a surface where the float member comes into contact friction with other surrounding members as the water level sensing valve opens and closes, and / or a portion where other members come into contact friction with the float member
  • the other member contact surface may be formed of a material having a low friction coefficient, or the water level sensing valve contact surface and / or the other member contact surface may be coated with a material having a low friction coefficient.
  • a material having a low friction coefficient it is preferable to use a polytetrafluoroethylene resin such as fluororesin or Teflon (registered trademark).
  • the frictional force of the water level sensing valve contact surface and / or the contact surface of the other member is reduced, so that the liquid mixture injector is greatly inclined and the movement direction of the float member is buoyant. Even when it deviates from such an upward direction, the float member can slide easily and the air flow path 17 can be closed.
  • the water level detection valve when the liquid mixture injector is tilted and the water in the water tank 15 reaches the water level detection valve, the water level detection valve also operates in an oblique direction other than directly above. Then, the water level sensing valve may be able to close the air flow path 17.
  • the float holding member 22 of the first embodiment is formed in an inverted conical shape instead of a cylindrical shape as shown in FIG. 11 so that the space for storing the float member 20 expands from the lower part to the upper part. Can be mentioned.
  • the float member 20 when the liquid mixture injector is not tilted, when water accumulates in the water tank and the water reaches the water level detection valve, the float member 20 moves upward, and the movement causes the air flow path to flow. It also has a function of closing.
  • a float member of the tilt sensing valve may be provided separately from the water level sensing valve.
  • the inclination detection valve float member moves, and the inclination detection valve closes the air flow path 17.
  • the moving direction of the tilt sensing valve in this configuration is preferably 45 to 90 degrees with respect to the upward direction, and more preferably 60 to 90 degrees.
  • the float member water level sensing valve moves upward, and the water level sensing valve is moved by the movement. It also has a function of closing the air flow path.
  • “when water reaches the water level sensing valve (tilt sensing valve)” means that when water reaches at least a part of the float member of the water level sensing valve (tilt sensing valve). This includes both when water reaches the entire float member of the (tilt sensing valve) or when the entire float member of the water level sensing valve (tilt sensing valve) falls below the water surface.
  • the water level detection valve and the inclination detection valve perform the closing (opening / closing) of the air flow path 17 using the density difference between water and each float member.
  • the float member has a density difference with water.
  • an opening / closing mechanism that opens and closes the air flow path by the movement.
  • a structure that moves due to the density difference between water and the float member and opens and closes the air flow path 17 by the movement can be used as the water level detection valve or the inclination detection valve.
  • an air flow / water non-flow mechanism that does not allow water to pass through may be disposed in the air flow path 17.
  • a film that allows air to pass but not water can be stretched in the air flow path 17.
  • a partial cross-sectional area of the air flow path 17 may be reduced to form a fine air flow path portion that allows air to pass but does not allow water to pass by its surface tension.
  • an electric valve that opens and closes the air flow path by sensing the entry of water into the air flow path 17 using a sensor may be provided.
  • the branch flow path extending member 63 similar to the first embodiment, And / or the structure and material shown in other 1st embodiment can be added or applied, and the effect similar to the case of 1st embodiment generate
  • the liquid agent volume V1 is preferably 100 cc or more, more preferably 200 cc or more, and particularly preferably 400 cc or more. In particular, when importance is placed on the amount of the second liquid, V1 should be 700 cc or more.
  • V1 is preferably 2000 cc or less, more preferably 1500 cc or less, and particularly preferably 1000 cc or less. In particular, when importance is attached to handling properties, V1 is preferably set to 500 cc or less.
  • Water volume V2 that is the volume of the space in which water is stored in the water tank 15 (in the example in which the liquid agent tank 10 is accommodated in the water tank 15 and the volume of the liquid agent tank 10 is changed, the water volume 15
  • the volume obtained by subtracting a part of the liquid agent tank 10 accommodated in the tank 15 is preferably as follows.
  • V2 / V1 is preferably 1.5 or more, more preferably 2 or more, and particularly preferably 5 or more.
  • V2 / V1 is preferably 30 or less, more preferably 20 or less, and particularly preferably 10 or less.
  • V2 / V1 is preferably 1.0 or less, more preferably 0.5 or less, and particularly preferably 0.2 or less. If V2 is too small, there is no play between the outer surface of the liquid agent tank 10 and the inner surface of the water tank 15, and both come into contact during the assembly operation of the liquid agent mixing injector, making assembly difficult. Further, it becomes difficult for water to flow into the water tank 15 from the branch channel 13. Therefore, V2 / V1 is preferably 0.01 or more, more preferably 0.05 or more, and particularly preferably 0.1 or more.
  • the “water” supplied from the water supply facility to the liquid mixture injector and mixed with the second liquid includes tap water, well water, purified water, ponds, rivers, and other water sources.
  • Water that has just flowed in can be used, and water that contains a liquid agent other than the second liquid can also be used.
  • water in which liquid fertilizer is mixed in advance can be supplied from the water supply facility to the main flow path of the liquid mixture injector, and the agrochemical can be mixed into this water as the second liquid. It is also possible to supply water mixed with the first liquid fertilizer in advance from the water supply facility and mix the second liquid fertilizer with this water as the second liquid.

Abstract

L'invention porte sur un injecteur de mélange de solution, lequel injecteur est apte à ajuster la quantité d'un second liquide introduit dans un canal principal quand la pression d'eau dans le canal principal a augmenté ou a diminué. Un injecteur de mélange de solution présente un orifice d'injection (6) pour éjecter de l'eau vers l'extrémité distale d'un canal principal (5) à travers lequel passe de l'eau acheminée à partir d'un appareil d'alimentation en eau, l'injecteur comportant un réservoir de solution (10) pour contenir un second liquide autre que de l'eau, et un canal de solution (11c) pour introduire le second liquide à partir du réservoir de solution (10) dans le canal principal (5), l'injecteur de mélange de solution comportant de plus un canal de ramification (13) qui est ramifié à partir du canal principal (5) davantage en amont à partir de la partie de réunion avec le canal de solution (11c), un réservoir d'eau (15) formé à l'extrémité terminale du canal de ramification (13) et utilisé pour contenir de l'eau, et un canal d'air (17) pour une interconnexion avec l'intérieur du réservoir d'eau (15) et l'intérieur du réservoir de solution (10) afin de ventiler le réservoir d'eau et le réservoir de solution. Le volume d'eau dans le réservoir d'eau (15) est ajusté par variation de la pression d'eau et/ou du débit d'écoulement dans le canal principal (5), et une force pour comprimer le second liquide dans le réservoir de solution (10) sur le côté du canal principal (5) est ajustée à l'aide d'air dans le canal d'air (17).
PCT/JP2012/063333 2011-06-30 2012-05-24 Injecteur de mélange de solution WO2013001948A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112012002715.9T DE112012002715B4 (de) 2011-06-30 2012-05-24 Flüssigmaterialmisch- und Sprühvorrichtung
JP2013522533A JP5841146B2 (ja) 2011-06-30 2012-05-24 液剤混合噴射器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011145540 2011-06-30
JP2011-145540 2011-06-30

Publications (1)

Publication Number Publication Date
WO2013001948A1 true WO2013001948A1 (fr) 2013-01-03

Family

ID=47423851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/063333 WO2013001948A1 (fr) 2011-06-30 2012-05-24 Injecteur de mélange de solution

Country Status (3)

Country Link
JP (1) JP5841146B2 (fr)
DE (1) DE112012002715B4 (fr)
WO (1) WO2013001948A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017079948A (ja) * 2015-10-26 2017-05-18 コイト電工株式会社 混合液供給装置
CN108093807A (zh) * 2017-12-29 2018-06-01 李嘉炜 一种苗木栽培前施肥车
CN108781696A (zh) * 2018-06-22 2018-11-13 邵金容 一种用于农田园林植被的灌溉设备
JP2019076826A (ja) * 2017-10-24 2019-05-23 株式会社タカギ 流体吐出具
JP7133875B1 (ja) 2021-03-17 2022-09-09 源美股▲分▼有限公司 混合液及び浄水を散布する散布機

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020001138A1 (de) 2020-02-21 2021-08-26 Bernd Volmer Ausbringeinrichtung für Stoffe auf und/oder in einen Boden

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50149507U (fr) * 1974-05-30 1975-12-12
JPS6161026U (fr) * 1984-09-27 1986-04-24
JPS62103444U (fr) * 1985-12-18 1987-07-01
JPH09266731A (ja) * 1996-03-30 1997-10-14 Kaneo Konma 園芸用散水器
JP2003024837A (ja) * 2001-07-11 2003-01-28 Ardent:Kk 泡沫発射ガン

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3462283B2 (ja) 1994-12-07 2003-11-05 株式会社ヤスヰ 洗車機用薬液自動希釈装置
JP2666056B2 (ja) 1995-06-16 1997-10-22 正治 三宅 散水栓
US5899362A (en) 1997-05-01 1999-05-04 Moran; Michael J. Method and apparatus for combining liquids
US7311265B2 (en) 2004-07-27 2007-12-25 E.I. Du Pont De Nemours And Company Hand-held spraying apparatus having a multi-compartment liquid-holding reservoir
JP2008039144A (ja) * 2006-08-09 2008-02-21 Tokyo Electron Ltd 流量調節弁
KR100891588B1 (ko) * 2007-05-16 2009-04-03 김훈기 저소음 기능을 구비한 유량조절 밸브장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50149507U (fr) * 1974-05-30 1975-12-12
JPS6161026U (fr) * 1984-09-27 1986-04-24
JPS62103444U (fr) * 1985-12-18 1987-07-01
JPH09266731A (ja) * 1996-03-30 1997-10-14 Kaneo Konma 園芸用散水器
JP2003024837A (ja) * 2001-07-11 2003-01-28 Ardent:Kk 泡沫発射ガン

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017079948A (ja) * 2015-10-26 2017-05-18 コイト電工株式会社 混合液供給装置
JP2019076826A (ja) * 2017-10-24 2019-05-23 株式会社タカギ 流体吐出具
CN108093807A (zh) * 2017-12-29 2018-06-01 李嘉炜 一种苗木栽培前施肥车
CN108781696A (zh) * 2018-06-22 2018-11-13 邵金容 一种用于农田园林植被的灌溉设备
JP7133875B1 (ja) 2021-03-17 2022-09-09 源美股▲分▼有限公司 混合液及び浄水を散布する散布機
JP2022145391A (ja) * 2021-03-17 2022-10-04 源美股▲分▼有限公司 混合液及び浄水を散布する散布機

Also Published As

Publication number Publication date
DE112012002715T5 (de) 2014-03-27
JP5841146B2 (ja) 2016-01-13
DE112012002715B4 (de) 2018-07-19
JPWO2013001948A1 (ja) 2015-02-23

Similar Documents

Publication Publication Date Title
JP5841146B2 (ja) 液剤混合噴射器
JP6604668B2 (ja) 流体アプリケーションシステム及びその方法
CN1070739C (zh) 分配系统
US11267006B2 (en) Pressurizable fluid container apparatus
US7455281B2 (en) Spigot
US8807455B2 (en) Sprayer
KR20150002723A (ko) 중력 공급 스프레이 디바이스를 위한 배출 시스템
JP4339610B2 (ja) 液状体噴射アダプター
US6695228B2 (en) Self-pressurizing sprayer
WO2004076073A1 (fr) Adaptateur de pulverisation d'une substance de type liquide et dispositif d'alimentation/contenant d'une substance de type liquide
EP1714707B1 (fr) Pompe à mousse rechargeable
JP2007297112A (ja) 栓部材、及び同栓部材を備えた液体収容容器
EP2704849B1 (fr) Dispositif de production de mousse
JP4191691B2 (ja) 液体供給機構
US20240075485A1 (en) Pressurizable fluid container apparatus
JP2008178536A (ja) 噴霧器、この噴霧器を用いた噴霧装置、および、この噴霧器を用いた内視鏡装置
KR960002944B1 (ko) 유체 분사 시스템
JP6994924B2 (ja) 自動スプレーおよび自動スプレー製品
KR20150079547A (ko) 살수 장치
CN107333742A (zh) 一种背负式电动喷雾与泡沫喷射一体机
WO2008043885A1 (fr) Pompe a mousse rechargeable
WO2023081115A1 (fr) Pulvérisateurs et soupapes de restriction de flotteur de détection de densité pour pulvérisateurs
KR101153448B1 (ko) 간이 물뿌리개
CN2915741Y (zh) 一种气雾喷射瓶
JP2015173999A (ja) ミスト散水装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12805054

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013522533

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 112012002715

Country of ref document: DE

Ref document number: 1120120027159

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12805054

Country of ref document: EP

Kind code of ref document: A1