WO2022034917A1 - 噴射ノズル及びこの噴射ノズルを備えた噴射装置 - Google Patents
噴射ノズル及びこの噴射ノズルを備えた噴射装置 Download PDFInfo
- Publication number
- WO2022034917A1 WO2022034917A1 PCT/JP2021/029767 JP2021029767W WO2022034917A1 WO 2022034917 A1 WO2022034917 A1 WO 2022034917A1 JP 2021029767 W JP2021029767 W JP 2021029767W WO 2022034917 A1 WO2022034917 A1 WO 2022034917A1
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- WO
- WIPO (PCT)
- Prior art keywords
- rotating body
- compressed gas
- discharge pipe
- liquid discharge
- injection nozzle
- Prior art date
Links
- 239000007921 spray Substances 0.000 title abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 121
- 238000003780 insertion Methods 0.000 claims abstract description 47
- 230000037431 insertion Effects 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims description 95
- 239000007924 injection Substances 0.000 claims description 95
- 239000000463 material Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 description 51
- 239000012530 fluid Substances 0.000 description 38
- 230000002093 peripheral effect Effects 0.000 description 34
- 239000010419 fine particle Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/021—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements with means for regulating the jet relative to the horizontal angular position of the nozzle, e.g. for spraying non circular areas by changing the elevation of the nozzle or by varying the nozzle flow-rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
-
- 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
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2435—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
Definitions
- the present invention relates to an injection nozzle that injects and injects a mixed fluid of gas and liquid into a predetermined region, and an injection device provided with this injection nozzle.
- an injection device that injects a mixed fluid of a gas and a liquid to remove stains on the target surface.
- the injection device disclosed in Patent Document 1 As an injection device of this type, for example, the injection device disclosed in Patent Document 1 below is known.
- the injection device disclosed in Patent Document 1 has an outer nozzle and an inner nozzle, and is in a state where the pressurized gas ejected from the outer nozzle and the cleaning liquid ejected from the inner nozzle are mixed. It is configured to be ejected from the tip of the nozzle.
- the present invention has been made in view of such problems, and when used for cleaning, it can effectively remove stains adhering to the surface to be cleaned and supply compressed gas. It is an object of the present invention to provide an injection nozzle capable of improving efficiency and an injection device provided with the injection nozzle.
- a rotating body accommodating portion is provided in the outer cover, a rotating body is provided in the rotating body accommodating portion, a rotating body projecting portion is provided in the rotating body, and the tip end portion of the rotating body projecting portion is attached to the outer cover. It is characterized in that it is projected outward through the provided opening, a liquid discharge pipe is provided inside the rotating body, and the tip end portion of the liquid discharging pipe is inserted into an insertion hole of the rotating body protruding portion.
- Injection nozzle (2) The injection nozzle according to (1) above, wherein the rotating body is provided with rotary blades.
- the rotating body has a rotating body main body portion, and the rotating body protruding portion is provided in connection with the rotating body main body portion, and communicates with each other between the rotating body main body portion and the rotating body protruding portion.
- the liquid discharge pipe is made of a flexible material.
- a cover body is provided inside the outer cover body, and the compressed gas is introduced into the rotating body accommodating portion through the cover body.
- a rotating body accommodating portion is provided in the outer cover, a rotating body is provided in the rotating body accommodating portion, a rotating body projecting portion is provided in the rotating body, and the tip end portion of the rotating body projecting portion is attached to the outer cover.
- An injection nozzle that projects outward through the provided opening, provides a liquid discharge pipe inside the rotating body, and inserts the tip of the liquid discharge pipe into the insertion hole of the rotating body protrusion.
- a compressed gas supply unit that introduces compressed gas from the compressed gas supply source into the rotating body storage unit of the injection nozzle, and a compressed gas supply unit.
- the gist of the present invention is an injection device including a liquid supply unit for sending a liquid to the liquid discharge pipe provided inside the rotating body of the injection nozzle.
- the injection nozzle of the present invention is provided with a rotating body accommodating portion in an outer cover, a rotating body is provided in the rotating body accommodating portion, a rotating body projecting portion is provided in the rotating body, and a tip portion of the rotating body projecting portion is provided.
- a liquid discharge pipe is provided inside the rotating body by projecting outward through an opening provided in the outer cover, and the tip of the liquid discharge pipe is inserted into an insertion hole of the rotating body protruding portion. Therefore, when the injection device is driven to inject the compressed gas from the insertion hole of the protruding portion of the rotating body, a negative pressure can be generated around the injection port of the liquid discharge pipe, and this negative pressure can be generated.
- the injection device of the present invention a high pressure is not required when the liquid is pressurized and ejected, so that the liquid can be sucked and ejected from the liquid discharge pipe. It is possible to inject the liquid without setting the supply pressure of the compressed gas high, and thereby the supply efficiency of the compressed gas can be improved. Further, according to the present invention, the injected mixed fluid of the liquid and the compressed gas can be sprayed on the target surface in a wide range in the vertical and horizontal directions, whereby the spraying area can be increased and the jetting efficiency can be increased.
- FIG. 2A is a view in which the injection nozzle faces the surface to be cleaned, and is a vertical sectional view showing the form of the injection nozzle and the nozzle mounting portion when the drive of the injection device is stopped
- FIG. 2B is a vertical sectional view
- 2A is a front view of the injection nozzle shown in FIG. 2A when viewed from the direction of the arrow AA.
- FIG. 3A is a vertical sectional view showing the form of the injection nozzle and the nozzle mounting portion when the injection device is operating
- FIG. 3B is a view of the injection nozzle shown in FIG.
- FIG. 3A when viewed from the direction of the arrow BB.
- FIG. 4A is a vertical cross-sectional view showing the form of the injection nozzle and the nozzle mounting portion when the injection device is operating
- FIG. 4B is a view of the injection nozzle shown in FIG. 4A when viewed from the direction of the arrow CC.
- FIG. 5A is a vertical sectional view showing the form of the injection nozzle and the nozzle mounting portion when the injection device is operating
- FIG. 5B is a view of the injection nozzle shown in FIG. 5A when viewed from the direction of the arrow DD. It is a front view of.
- FIG. 5A is a vertical sectional view showing the form of the injection nozzle and the nozzle mounting portion when the injection device is operating
- FIG. 5B is a view of the injection nozzle shown in FIG. 5A when viewed from the direction of the arrow DD. It is a front view of.
- FIG. 5A is a vertical cross-sectional view showing the form
- FIG. 6A is a vertical cross-sectional view showing the form of the injection nozzle and the nozzle mounting portion when the injection device is operating
- FIG. 6B is a view of the injection nozzle shown in FIG. 6A when viewed from the direction of the arrow EE. It is a front view of. It is a vertical sectional view of the injection nozzle which concerns on 2nd Embodiment of this invention.
- the injection nozzle and the injection device of the present invention can be used for the purpose of cleaning and painting, and can inject a cleaning liquid or a coating liquid and spray the liquid on the target surface.
- the "liquid” means a cleaning liquid or a coating liquid.
- FIG. 1 is a side view showing a partial cross section of the injection device according to the first embodiment of the present invention
- FIG. 2A is a view in which the injection device faces the surface to be cleaned
- FIG. 2B is a vertical sectional view showing the form of the injection nozzle and the nozzle mounting portion when the drive of the injection nozzle is stopped
- FIG. 2B is a front view of the injection nozzle shown in FIG. 2A when viewed from the direction of the arrow AA. be.
- the horizontal direction indicates the front-rear direction
- the left direction in the horizontal direction is the front position
- the opposite right direction is the rear position
- the vertical direction with respect to the horizontal direction indicates the vertical direction
- the upper direction in the vertical direction is the upper position
- the opposite lower direction is the lower position.
- reference numeral 1 denotes an injection device according to the present embodiment, wherein the injection device 1 includes an operation unit 2, a compressed gas supply source 18, a storage container 3, an on-off valve operation member 4, a connecting body 5, and a nozzle mounting portion 6. And an injection nozzle 7.
- the injection nozzle 7 has an outer cover 55, a rotating body storage portion 54 is formed inside the outer cover 55, and a rotating body 56 rotatably provided is stored in the rotating body storage portion 54.
- the rotating body 56 includes a rotating body main body 61, a rotating body protruding portion 60 formed in front of the rotating body main body 61, and a rotating wing 62 provided in the rear portion of the rotating body main body 61. ..
- Both the rotating body main body portion 61 and the rotating body protruding portion 60 are formed in a cylindrical shape.
- An insertion hole 63 is formed inside the rotating body main body 61, and an insertion hole 63 communicating with the insertion hole 63 of the rotating body main body 61 is also formed inside the rotating body protruding portion 60.
- the rotary blades 62 have a function of rotating the rotating body 56 by receiving a force of the compressed gas 20, and a plurality of rotary blades 62 are provided along the outer peripheral surface of the rotating body main body 61.
- the operation unit 2 includes a gun body 11 and a trigger 12.
- the gun body 11 has a grip portion 67, and a cylinder portion 68 is provided at a position in front of the trigger 12.
- An inflow end 13 is formed at the lower end of the grip portion 67, and an outflow end 14 is formed at the tip of the tubular portion 68.
- An introduction port 15 for introducing the compressed gas 20 is formed at the inflow end 13, and an discharge port 16 for discharging the compressed gas 20 introduced from the introduction port 15 is formed at the outflow end 14.
- a distribution passage 17 for guiding the compressed gas 20 is formed between the introduction port 15 and the discharge port 16. Regarding the distribution passage 17, only the distribution passage 17 in the tubular portion 68 is shown, and the distribution passage 17 in the other portions is not shown.
- Reference numeral 19 is a supply pipe that communicates the introduction port 15 and the compressed gas supply source 18.
- Reference numeral 23 is a flow rate adjusting unit for adjusting the flow rate of the compressed gas 20.
- the opening area of the valve in the flow rate adjusting unit 23 becomes large, the flow rate of the compressed gas 20 can be increased, and when the force for pulling the trigger 12 is relaxed, the flow rate adjusting unit The opening area of the valve in 23 is reduced, and the flow rate of the compressed gas 20 can be reduced.
- the operation unit 2 is not limited to the one having a gun shape, and may have a shape other than the gun shape.
- the compressed gas supply source 18 for example, an air compressor is used.
- the compressed gas 20 is sent from the compressed gas supply source 18 toward the compressed gas flow path 46 of the coupling body 5.
- the sent compressed gas 20 passes through the compressed gas flow path 46, and is introduced into the rotating body accommodating portion 54 via the gas introduction passage 51 provided in the nozzle mounting portion 6.
- the compressed gas 20 is supplied to the rotating body accommodating portion 54 by the above path, and the supply is stopped by returning the trigger 12.
- a storage container 3 for storing the cleaning liquid 24 is detachably provided below the on-off valve operating member 4.
- the cleaning liquid 24 is stored in the storage container 3 in a non-pressurized state.
- the insertion tube 25 is inserted into the storage container 3 in a state of extending toward the bottom 26 of the storage container 3.
- the storage container 3 can be removed to replenish the cleaning liquid 24 or replace it with another cleaning liquid.
- a liquid discharge pipe 53 having a circular tubular shape is in a free state in a space in which the internal space of the injection nozzle 7, the gas introduction passage 51 of the nozzle mounting portion 6, and the internal space of the connecting body 5 communicate with each other.
- the passage formed inside the liquid discharge pipe 53 constitutes a cleaning liquid flow passage 57 through which the cleaning liquid 24 flows.
- the liquid discharge pipe 53 is formed of a flexible material, and examples of the flexible material include polyethylene resin, polypropylene resin, epoxy resin, polyurethane resin, nylon resin, and the like.
- the opening 29 of the connecting body 5 is provided with a connecting portion 30 for connecting the upper portion of the on-off valve operating member 4, and the connecting portion 27 for connecting the lower portion of the on-off valve operating member 4 is provided at the inlet of the storage container 3. It is provided.
- the on-off valve operating member 4 is provided with an introduction portion (not shown) for introducing the cleaning liquid 24 stored in the storage container 3 to the liquid discharge pipe 53.
- Reference numeral 31 is an operating lever for operating the on-off valve of the on-off valve operating member 4. By operating the operation lever 31, the communication passage connecting the liquid discharge pipe 53 and the insertion pipe 25 can be blocked or opened. If the communication passage is opened by the operating lever 31, the cleaning liquid 24 can be introduced toward the liquid discharge pipe 53.
- the connecting body 5 is connected to each of the cylinder portion 68, the nozzle mounting portion 6, and the connecting portion 30, and includes an inflow portion 42 having an inflow port 41 and a discharge portion 45 having an discharge port 49.
- the inflow section 42 and the discharge section 45 communicate with each other, and a compressed gas flow path 46 is formed between the inflow section 42 and the discharge section 45.
- the connection between the connecting body 5 and the tubular portion 68, the connection between the connecting body 5 and the nozzle mounting portion 6, and the connection between the connecting body 5 and the connecting portion 30 may be performed by using screw fitting or other connecting means, respectively. can.
- the compressed gas 20 introduced from the compressed gas supply source 18 is configured to pass through the inflow port 41 and the compressed gas flow path 46 of the connecting body 5 and be introduced into the rotating body accommodating portion 54 from the discharge port 49.
- the nozzle mounting portion 6 has a nozzle mounting main body portion 48, a gas introduction passage 51, and a mounting plate 52.
- An injection nozzle 7 is attached to the front of the nozzle mounting portion 6, the injection nozzle 7 has an outer cover 55 and a rotating body 56 housed in the outer cover 55, and the outer cover 55 is screwed to the mounting plate 52. It is fixed by a connecting means such as a stopper.
- the outer cover 55 has a square tubular shape, and an opening 66 is formed in the front plate of the outer cover 55, and the rotating body protruding portion 60 of the rotating body 56 is formed so as to project outward through the opening 66. Has been done.
- the outer cover 55 is not limited to the square tubular shape, but may be a cylindrical shape.
- Reference numeral 65 is a gap formed between the opening 66 and the rotating body protrusion 60.
- the opening 66 is preferably formed so as to be located at the center of the outer cover 55.
- the material of the outer cover 55 and the rotating body 56 is not particularly limited, but a synthetic resin is preferable, and a general-purpose resin such as a polypropylene resin or a polyester resin can be used as the synthetic resin.
- the rotating body storage portion 54 is formed in an internal space surrounded by an outer cover 55 and a mounting plate 52, and the space in the rotating body storage portion 54 communicates with the space of the rotating body main body portion 61, that is, the insertion hole 63. ing.
- the outer diameter of the rotating body protruding portion 60 in the rotating body 56 is formed to be smaller than the outer diameter of the rotating body main body portion 61.
- the rotary blade 62 is provided so as to be inclined with respect to the peripheral surface of the rotating body main body portion 61.
- the rotary wing 62 can be provided tilted in the right rotation direction of the rotary body 56, or can be provided tilted in the left rotation direction, and the rotary body 56 can be provided in the right direction depending on the posture of the rotary wing 62. It can be rotated to the left or to the left.
- An opening 66 is formed in the front plate of the outer cover 55, and the rotating body protruding portion 60 of the rotating body 56 is inserted through the opening 66.
- the tip of the rotating body projecting portion 60 projects outward from the opening 66.
- a gap 65 is formed between the opening 66 and the rotating body protrusion 60, and the compressed gas 20 can be ejected outward from the gap 65.
- the insertion hole 63 of the rotating body main body 61 and the insertion hole 63 of the rotating body protruding portion 60 communicate with each other as described above, and the liquid discharge pipe 53 is inserted into the communicating insertion holes 63, 63.
- the compressed gas 20 may pass between the inner surface of the insertion hole 63 and the outer surface of the liquid discharge pipe 53. A space that can be created is formed. Therefore, the compressed gas 20 can be ejected outward from the insertion hole 63 of the rotating body protrusion 60.
- the insertion hole 63 of the rotating body main body 61 communicates with the gas introduction passage 51 in the nozzle mounting main body 48.
- the rotating body protruding portion 60 of the rotating body 56 is in contact with the lower part of the inner peripheral surface of the opening 66.
- the rotating body 56 is configured to rotate while the rotating body protruding portion 60 is brought into contact with the opening 66.
- the rotating blade 62 of the rotating body 56 receives wind pressure due to the compressed gas 20 flowing into the rotating body accommodating portion 54, whereby the rotating body 56 rotates.
- the liquid discharge pipe 53 is inserted into the insertion holes 63, 63 in which the insertion hole 63 of the rotating body main body 61 and the insertion hole 63 of the rotating body protruding portion 60 communicate with each other, so that the rotating body 56 is liquid. It is in a state of being supported by the discharge pipe 53. As a result, the liquid discharge pipe 53 becomes the central axis of rotation of the rotating body 56, and the rotating body 56 rotates while being supported by the liquid discharge pipe 53. Since the rotating body 56 is not fixed to the liquid discharge pipe 53, the liquid discharge pipe 53 does not rotate.
- the rotating body protruding portion 60 of the rotating body 56 since the rotating body 56 rotates in a state where the rotating body protruding portion 60 of the rotating body 56 is in contact with the inner peripheral surface of the opening 66, the rotating body protruding portion 60 also hits along the inner peripheral surface of the opening 66. Rotate in contact. The rotation of the rotating body protruding portion 60 along the inner peripheral surface of the opening 66 changes the direction of the rotating body 56 with the liquid discharge pipe 53 as the central axis, and the rotating body protruding portion 60 and the opening 66 The rotating body 56 makes an orbiting motion so as to draw a circular orbit with the contact point of the above as a fulcrum.
- FIG. 2A An embodiment in which the rotating body 56 rotates to the right when the rotating body 56 is viewed from the direction of the arrow AA in FIG. 2A, that is, when the rotating body 56 is viewed from the front will be described.
- the front portion of the liquid discharge pipe 53 inserted into the insertion hole 63 of the rotating body protruding portion 60 abuts on the upper part of the inner peripheral surface of the insertion hole 63, and the rotating body protruding portion 60 opens. It is in contact with the lower part of the inner peripheral surface of the portion 66.
- FIG. 2B between the rotating body protruding portion 60 and the opening 66, there is a gap 65 in which the space gradually increases from the lower part of the inner peripheral surface to the upper part of the inner peripheral surface of the opening 66. It is formed.
- the operation lever 31 of the on-off valve operating member 4 opens the communication passage connecting the liquid discharge pipe 53 and the insertion pipe 25.
- the compressed gas 20 is sent from the compressor, and the compressed gas 20 is a flow passage 17, a compressed gas flow path 46, a gas introduction passage 51, a rotating body storage portion 54, and a rotating body main body 61. It is introduced into the insertion hole 63 of the rotating body protruding portion 60 through the insertion hole 63 of the above.
- the compressed gas 20 that has passed through the insertion hole 63 of the rotating body protrusion 60 is vigorously ejected from the tip of the insertion hole 63, whereby negative pressure is generated around the injection port 64 of the liquid discharge pipe 53.
- negative pressure is also generated inside the cleaning agent flow passage 57 and the insertion pipe 25 in the liquid discharge pipe 53, so that the cleaning liquid 24 in the storage container 3 is sucked up from the insertion pipe 25, and the cleaning liquid 24 discharges the liquid. It is injected from the injection port 64 via the pipe 53.
- the compressed gas 20 introduced into the rotating body storage portion 54 acts on the rotating blade 62 of the rotating body 56, and the rotating body 56 is rotated to the right by the pressure of the compressed gas 20. Due to the rotation of the rotating body 56, the pressure of the compressed gas 20 in the rotating body accommodating portion 54 increases, and the pressure becomes higher.
- 3A and 3B show a state in which the rotating body 56 is rotating and the rotating body protruding portion 60 is in contact with the upper part of the inner peripheral surface of the opening 66.
- the posture of the rotating body 56 is an inclined posture in which the front portion thereof faces upward, and the liquid discharge pipe 53 is curved from the middle so as to correspond to the inclined posture. It is in a state. Since the liquid discharge pipe 53 is made of a flexible material, it can be curved according to the inclined posture of the rotating body 56.
- the rotating body protruding portion 60 is in contact with the upper part of the inner peripheral surface of the opening 66 and is in an upward posture. Since the front portion of the liquid discharge pipe 53 is in contact with the upper part of the inner peripheral surface of the rotating body protruding portion 60 which is in the upward posture, the liquid discharge pipe 53 is also in the upward posture as shown in FIG. 3A. Therefore, the cleaning liquid 24 ejected from the ejection port 64 is ejected upward. The injected cleaning liquid 24 mixes with the compressed gas 20 injected from the insertion hole 63 to become a mixed fluid 81.
- a gap 65 is formed between the rotating body protruding portion 60 and the opening 66, in which the space gradually increases from the upper part of the inner peripheral surface to the lower part of the inner peripheral surface of the opening 66. Has been done.
- the compressed gas 20 is injected from the gap portion 65, and the compressed gas 20 mixes with the mixed fluid 81 and diffuses the mixed fluid 81. Since the compressed gas 20 injected from the gap portion 65 becomes a gas flow that flows upward, the mixed fluid 81 becomes a fluid 83 that is diffused upward. The diffused fluid 83 becomes a fluid 84 having a fine particle size, and in this way, the cleaning liquid 24 jetted from the injection port 64 is sprayed as a fluid 84 having a fine particle size onto the region above the surface to be cleaned 80, and the surface to be cleaned is cleaned. 80 is washed.
- the front portion of the liquid discharge pipe 53 abuts on the upper peripheral surface of the insertion hole 63, so that the rotating body 56 does not tilt too much diagonally upward, and therefore, the rotating body main body portion. Since the front surface portion of the 61 does not come into contact with the inner surface of the outer cover 55, the gap portion 65 is not blocked and the space of the gap portion 65 can be secured. Further, in the inclined posture of the rotating body 56 as described above, the rotary blade 62 does not come into contact with the inner surface of the outer cover 55. Similarly, in the rotational posture of the rotating body 56 in FIGS. 4, 5 and 6, the rotating body 56 does not come into contact with the inner surface of the outer cover 55.
- FIG. 4A and 4B show a state in which the rotating body 56 rotates to the right and the rotating body protruding portion 60 is in contact with the right side of the inner peripheral surface of the opening 66.
- the rotating body 56 is viewed from the direction of the arrow CC in FIG. 4A, that is, when the rotating body 56 is viewed from the front, the posture of the rotating body 56 is such that the front portion thereof is inclined to the right.
- the rotating body protruding portion 60 abuts on the right side of the inner peripheral surface of the opening 66, and is in a right-facing posture in the front view of FIG. 4B.
- the liquid discharge pipe 53 Since the front portion of the liquid discharge pipe 53 is in contact with the right side of the inner peripheral surface of the rotating body protruding portion 60 which is in the right-facing posture, the liquid discharge pipe 53 is also in the front-facing right-facing posture of the injection nozzle 7. Therefore, the cleaning liquid 24 ejected from the ejection port 64 is ejected toward the right side of the front view of the injection nozzle 7.
- the injected cleaning liquid 24 mixes with the compressed gas 20 injected from the insertion hole 63 to become a mixed fluid 81.
- there is a gap 65 between the rotating body protruding portion 60 and the opening 66 in which the space gradually increases from the right side of the inner peripheral surface to the left side of the inner peripheral surface of the opening 66. Is formed.
- the compressed gas 20 is injected from the gap portion 65, and the compressed gas 20 mixes with the mixed fluid 81 and diffuses the mixed fluid 81.
- the compressed gas 20 injected from the gap portion 65 becomes a gas flow that flows to the right in the front view of the injection nozzle 7, so that the mixed fluid 81 and the fluid 83 diffused to the right in the front view of the injection nozzle 7 Become.
- the diffused fluid 83 becomes a fluid 84 having a fine particle size, and in this way, the cleaning liquid 24 ejected from the injection port 64 serves as the fluid 84 having a fine particle size in the left region of the surface to be cleaned 80 (the surface to be cleaned 80). It is sprayed on the area on the left side when viewed from the front) to clean the surface to be cleaned 80.
- FIG. 5A and 5B show a state in which the rotating body 56 rotates to the right and the rotating body protruding portion 60 is in contact with the lower part of the inner peripheral surface of the opening 66.
- the posture of the rotating body 56 is such that the front portion thereof is inclined downward.
- the rotating body protruding portion 60 is in contact with the lower part of the inner peripheral surface of the opening 66 and is in a downward posture. Since the front portion of the liquid discharge pipe 53 is in contact with the lower part of the inner peripheral surface of the rotating body protruding portion 60 which is in the downward posture, the liquid discharge pipe 53 is also in the downward posture as shown in FIG. 5A.
- the cleaning liquid 24 ejected from the ejection port 64 is ejected downward.
- the injected cleaning liquid 24 mixes with the compressed gas 20 injected from the insertion hole 63 to become a mixed fluid 81.
- a gap 65 is formed between the rotating body protruding portion 60 and the opening 66, in which the space gradually increases from the lower part of the inner peripheral surface to the upper part of the inner peripheral surface of the opening 66. Has been done.
- the compressed gas 20 is injected from the gap portion 65, and the compressed gas 20 mixes with the mixed fluid 81 and diffuses the mixed fluid 81. Since the compressed gas 20 injected from the gap portion 65 becomes a gas flow that flows downward, the mixed fluid 81 becomes a fluid 83 that is diffused downward. The diffused fluid 83 becomes a fluid 84 having a fine particle size, and in this way, the cleaning liquid 24 jetted from the injection port 64 is sprayed as a fluid 84 having a fine particle size into the lower region of the surface to be cleaned 80 to be cleaned. The surface 80 is cleaned.
- FIG. 6A and 6B show a state in which the rotating body 56 rotates to the right and the rotating body protruding portion 60 is in contact with the left side portion of the inner peripheral surface of the opening 66.
- the rotating body 56 is viewed from the direction of the arrow EE in FIG. 6A, that is, when the rotating body 56 is viewed from the front, the posture of the rotating body 56 is such that the front portion thereof is inclined to the left side.
- the rotating body protruding portion 60 is in contact with the left side portion of the inner peripheral surface of the opening 66, and is in a left-facing posture in the front view of FIG. 6B.
- the liquid discharge pipe 53 Since the front portion of the liquid discharge pipe 53 is in contact with the left side portion of the inner peripheral surface of the rotating body protruding portion 60 which is in the left-facing posture, the liquid discharge pipe 53 is also in the front-view left-facing posture of the injection nozzle 7. Therefore, the cleaning liquid 24 ejected from the ejection port 64 is ejected toward the left side of the front view of the injection nozzle 7.
- the injected cleaning liquid 24 mixes with the compressed gas 20 injected from the insertion hole 63 to become a mixed fluid 81.
- there is a gap 65 between the rotating body protruding portion 60 and the opening 66 in which the space gradually increases from the left side of the inner peripheral surface to the right side of the inner peripheral surface of the opening 66. Is formed.
- the compressed gas 20 is injected from the gap portion 65, and the compressed gas 20 mixes with the mixed fluid 81 and diffuses the mixed fluid 81.
- the compressed gas 20 injected from the gap portion 65 becomes a gas flow that flows to the left in the front view of the injection nozzle 7, so that the mixed fluid 81 becomes the fluid 83 diffused to the left in the front view of the injection nozzle 7. ..
- the diffused fluid 83 becomes a fluid 84 having a fine particle size, and in this way, the cleaning liquid 24 injected from the injection port 64 serves as the fluid 84 having a fine particle size in the right region of the surface to be cleaned 80 (the surface to be cleaned 80). It is sprayed on the area on the right side when viewed from the front) to clean the surface to be cleaned 80.
- the rotating body 56 rotates with the contact point as a fulcrum in the state where the rotating body protruding portion 60 and the opening 66 are in contact with each other, so that the rotating body rotates along the inner peripheral surface of the opening 66.
- the axis of rotation changes in the circumferential direction according to the movement of the protrusion 60.
- the cleaning liquid 24 by mixing the cleaning liquid 24 with the compressed gas 20, the cleaning liquid 24 can be diffused in the form of particles, and the cleaning liquid 24 can be sprayed in the form of particles having a fine particle size, so that the surface to be cleaned 80 can be sprayed.
- the cleaning liquid 24 can be uniformly sprayed on the particles, and the cleaning power can be increased.
- since the cleaning liquid 24 and the compressed gas 20 can be concentrated and injected in the vicinity of the injection port 64, even if the distance between the injection nozzle 7 and the surface to be cleaned 80 is small, the cleaning liquid 24 and the compressed gas 20 can be reliably injected.
- the cleaning liquid 24 can be sprayed on the surface 80, and efficient cleaning can be performed.
- the injection nozzle 90 in this embodiment is configured by providing a cover body 67 inside the outer cover 55.
- the cover body 67 includes a cylindrical portion 77 and a circular rear surface plate 76 that closes the rear opening of the cylindrical portion 77, and is formed as a cylindrical body having an open front portion.
- the cover body 67 is fixed to the inner surface of the outer cover 55 by the fixing portions 69 and 70, and in this fixed state, a space portion is formed between the inner surface of the outer cover 55 and the outer peripheral surface of the cover body 67, and this space is formed.
- the section is formed as a gas flow section 72.
- a space portion 74 is formed between the rear surface plate 76 of the cover body 67 and the mounting plate 52.
- a plurality of diagonal inflow holes 68 are provided at the corners between the cylindrical portion 77 and the rear surface plate 76 along the circumferential direction, and one end of these inflow holes 68 opens in the space portion 74 and the other. The end is open to the gas flow section 72.
- the cylindrical portion 77 is provided with a plurality of outflow holes 71 along the peripheral surface, one end of these outflow holes 71 opens to the gas flow portion 72, and the other end opens to the inner space of the cover body 67. There is.
- the hole diameter of the outflow hole 71 is preferably 0.3 mm to 3.0 mm, more preferably 0.8 mm to 1.2 mm.
- the rear surface plate 76 is formed with a hole 73 for inserting the liquid discharge pipe 53.
- the rear portion of the rotating body 56 is housed in the inner space of the cover body 67, and therefore the rotor 62 is housed in the inner space of the cover body 67.
- the outflow hole 71 is preferably provided in the vicinity of the rotary blade 62.
- the compressed gas 20 when the compressed gas 20 is sent out to the rotating body accommodating portion 54 through the gas introduction passage 51 of the nozzle mounting portion 6, the compressed gas 20 enters the space portion 74 and enters the gas flow portion 72 through the inflow hole 68. Get in.
- the compressed gas 20 that has entered the gas flow section 72 flows in the gas flow section 72 in the circumferential direction and flows out to the inner space of the cover body 67 through the outflow hole 71.
- the rotary blade 62 receives a force in the rotational direction due to the compressed gas 20 flowing out from the outflow hole 71, and rotates the rotating body 56.
- the outflow hole 71 is provided in the vicinity of the rotary blade 62, the compressed gas 20 can be blown onto the rotary blade 62 at a close distance, so that a large wind pressure can be applied to the rotary blade 62.
- the compressed gas 20 flows out from the gas flow section 72 into the inner space of the cover body 67 through the outflow hole 71 having a small diameter, the compressed gas 20 in a high pressure state is supplied to the inner space of the cover body 67, whereby the compressed gas 20 is supplied to the inner space of the cover body 67.
- the pressure of the compressed gas 20 injected through the insertion hole 63 of the rotating body main body 61 and the insertion hole 63 of the rotating body protruding portion 60 can be made high pressure.
- the negative pressure generated around the injection port 64 of the liquid discharge pipe 53 can be increased, and the force for sucking the cleaning liquid 24 through the liquid discharge pipe 53 can be increased.
- the compressed gas 20 in a high pressure state is supplied to the inner space of the cover body 67, the high-pressure compressed gas 20 is sprayed on the rotary blade 62, thereby causing the rotating body 56 to move at high speed. While rotating, the pressure of the compressed gas 20 injected from the gap portion 65 can be made high pressure. As a result, the mixed fluid 81 can be jetted toward the surface to be cleaned 80 at high speed.
- the injection device 1 is driven to eject the compressed gas 20 from the insertion hole 63 of the rotating body protruding portion 60, thereby exerting a negative pressure around the injection port 64 of the liquid discharge pipe 53. It can be generated, and the cleaning liquid 24 can be sucked by this negative pressure and the cleaning liquid 24 can be ejected from the liquid discharge pipe 53.
- the cleaning liquid 24 does not require a high pressure as in the case of ejecting the cleaning liquid 24 in a pressurized state, and the cleaning liquid 24 is injected without setting a high supply pressure of the compressed gas 20. This makes it possible to improve the supply efficiency of the compressed gas 20.
- the mixed fluid 81 of the sprayed cleaning liquid 24 and the compressed gas 20 can be sprayed on the surface to be cleaned 80 in a wide range in the vertical and horizontal directions, whereby the spraying area can be increased. Cleaning efficiency can be increased.
Landscapes
- Nozzles (AREA)
Abstract
Description
(1)外側カバー内に回転体収納部を設け、前記回転体収納部に回転体を設け、前記回転体に回転体突出部を設け、前記回転体突出部の先端部を、前記外側カバーに設けた開口部を通して外方に突出させ、前記回転体の内部に液体排出管を設け、前記液体排出管の先端部を、前記回転体突出部の挿通孔に挿通させてなることを特徴とする噴射ノズル、
(2)前記回転体に回転翼が設けられている前記(1)に記載の噴射ノズル、
(3)前記回転体は回転体本体部を有し、前記回転体突出部は前記回転体本体部と連結して設けられ、前記回転体本体部と前記回転体突出部のそれぞれに相互に連通した挿通孔が設けられ、この連通した挿通孔に前記液体排出管が挿通されている前記(1)又は(2)に記載の噴射ノズル、
(4)前記液体排出管は可撓性を有する材料により形成されている前記(1)~(3)のいずれかに記載の噴射ノズル、
(5)前記外側カバーの内部にカバー体を設け、前記カバー体を通して前記回転体収納部に圧縮気体を導入するように構成した前記(1)~(4)のいずれかに記載の噴射ノズル、
(6)外側カバー内に回転体収納部を設け、前記回転体収納部に回転体を設け、前記回転体に回転体突出部を設け、前記回転体突出部の先端部を、前記外側カバーに設けた開口部を通して外方に突出させ、前記回転体の内部に液体排出管を設け、前記液体排出管の先端部を、前記回転体突出部の挿通孔に挿通させてなる噴射ノズルと、
圧縮気体供給源から圧縮気体を前記噴射ノズルにおける前記回転体収納部に導入する圧縮気体供給部と、
液体を、前記噴射ノズルにおける前記回転体の内部に設けた前記液体排出管に送る液体供給部とを備えてなることを特徴とする噴射装置を要旨とする。
ガン本体11の引き金12を引くと、コンプレッサーから圧縮気体20が送られ、圧縮気体20は、流通通路17、圧縮気体流路46、気体導入通路51、回転体収納部54及び回転体本体部61の挿通孔63を経て回転体突出部60の挿通孔63に導入される。回転体突出部60の挿通孔63を通った圧縮気体20は、該挿通孔63の先端部から勢いよく噴射され、それにより液体排出管53の噴射口64の周辺に負圧力が発生する。その結果、液体排出管53内の洗浄剤流通通路57と挿入管25の内部にも負圧力が発生することで、貯留容器3内の洗浄液24が挿入管25より吸い上げられ、洗浄液24は液体排出管53を経て噴射口64から噴射される。
流出孔71の孔径は、0.3mm~3.0mmが好ましく、0.8mm~1.2mmがより好ましい。後面板76には、液体排出管53を挿通させるための穴部73が形成されている。回転体56の後方部は、カバー体67の内方空間に収納され、従って、回転翼62はカバー体67の内方空間に収納されている。前記流出孔71は、回転翼62の近傍位置に設けることが好ましい。
7、90 噴射ノズル
53 液体排出管
54回転体収納部
55 外側カバー
56 回転体
60 回転体突出部
62 回転翼
63 挿通孔
66 開口部
Claims (6)
- 外側カバー内に回転体収納部を設け、前記回転体収納部に回転体を設け、前記回転体に回転体突出部を設け、前記回転体突出部の先端部を、前記外側カバーに設けた開口部を通して外方に突出させ、前記回転体の内部に液体排出管を設け、前記液体排出管の先端部を、前記回転体突出部の挿通孔に挿通させてなることを特徴とする噴射ノズル。
- 前記回転体に回転翼が設けられている請求項1に記載の噴射ノズル。
- 前記回転体は回転体本体部を有し、前記回転体突出部は前記回転体本体部と連結して設けられ、前記回転体本体部と前記回転体突出部のそれぞれに相互に連通した挿通孔が設けられ、この連通した挿通孔に前記液体排出管が挿通されている請求項1又は2に記載の噴射ノズル。
- 前記液体排出管は可撓性を有する材料により形成されている請求項1~3のいずれかに記載の噴射ノズル。
- 前記外側カバーの内部にカバー体を設け、前記カバー体を通して前記回転体収納部に圧縮気体を導入するように構成した請求項1~4のいずれかに記載の噴射ノズル。
- 外側カバー内に回転体収納部を設け、前記回転体収納部に回転体を設け、前記回転体に回転体突出部を設け、前記回転体突出部の先端部を、前記外側カバーに設けた開口部を通して外方に突出させ、前記回転体の内部に液体排出管を設け、前記液体排出管の先端部を、前記回転体突出部の挿通孔に挿通させてなる噴射ノズルと、
圧縮気体供給源から圧縮気体を前記噴射ノズルにおける前記回転体収納部に導入する圧縮気体供給部と、
液体を、前記噴射ノズルにおける前記回転体の内部に設けた前記液体排出管に送る液体供給部とを備えてなることを特徴とする噴射装置。
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JPS4626285Y1 (ja) * | 1967-02-08 | 1971-09-09 | ||
JP2007253040A (ja) * | 2006-03-22 | 2007-10-04 | Daiko Kennetsu Kk | 回転波動ノズル |
JP2009061354A (ja) * | 2007-09-04 | 2009-03-26 | Seiji Endo | 噴射ノズルおよびこれを備える噴射装置 |
JP2012030162A (ja) * | 2010-07-29 | 2012-02-16 | Ga-Rew:Kk | 流体噴出ガン |
JP2014200737A (ja) * | 2013-04-04 | 2014-10-27 | 有限会社ガリュー | 流体噴出ガン |
JP2017056400A (ja) * | 2015-09-15 | 2017-03-23 | 株式会社インベント | 噴射ノズル及びこの噴射ノズルを備えた噴射装置 |
JP2017192880A (ja) * | 2016-04-19 | 2017-10-26 | 株式会社インベント | 噴射ノズル及びこの噴射ノズルを備えた噴射装置 |
-
2021
- 2021-08-12 US US18/020,205 patent/US20230264209A1/en active Pending
- 2021-08-12 WO PCT/JP2021/029767 patent/WO2022034917A1/ja active Application Filing
- 2021-08-12 JP JP2022542881A patent/JP7304663B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4626285Y1 (ja) * | 1967-02-08 | 1971-09-09 | ||
JP2007253040A (ja) * | 2006-03-22 | 2007-10-04 | Daiko Kennetsu Kk | 回転波動ノズル |
JP2009061354A (ja) * | 2007-09-04 | 2009-03-26 | Seiji Endo | 噴射ノズルおよびこれを備える噴射装置 |
JP2012030162A (ja) * | 2010-07-29 | 2012-02-16 | Ga-Rew:Kk | 流体噴出ガン |
JP2014200737A (ja) * | 2013-04-04 | 2014-10-27 | 有限会社ガリュー | 流体噴出ガン |
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JP2017192880A (ja) * | 2016-04-19 | 2017-10-26 | 株式会社インベント | 噴射ノズル及びこの噴射ノズルを備えた噴射装置 |
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