JP3762345B2 - Liquid ejector for outer wall cleaning work - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid material ejecting apparatus unprecedented breakthrough exterior wall cleaning operations.
[0002]
[Prior art and problems to be solved by the invention]
Conventionally, cleaning of the outer wall of a building such as an office building or a high-rise apartment is generally performed by spraying cleaning water discharged from a hose, for example, on the outer wall of the building. As this will be scattered around the building, a scaffold will be built around the building in advance, and a net will be placed around the scaffold to cover the entire building. ing.
[0003]
However, it is very expensive because of the material cost and labor cost to install this water shield structure, and the installation work and removal work of this water shield structure are very time-consuming. This causes a delay in the construction period of the entire cleaning operation.
[0004]
The Applicant has focused on the above-mentioned problems, to provide a liquid ejecting apparatus for an outer wall cleaning operations you exhibit breakthrough operational effects unprecedented.
[0005]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0006]
A liquid material ejection device for the outer wall cleaning operations you inject liquid to a Nozomu Tokoro site of the outer wall, the liquid jet unit 1 is provided in the cover body 2 having an opening 2a on the front end, of the fluid ejection section 1 A bowl-shaped mesh member 13 for adjusting the momentum of the liquid ejected from the liquid ejecting section 1 and diffusing the liquid is provided in the front, and the cover body 2 is provided around the bowl-shaped mesh member 13 in the cover body 2. An air injection unit 3 for injecting air is provided, and an air flow injected from the air injection unit 3 is injected outside the liquid flow injected from the liquid injection unit 1 so as to surround the liquid flow. it relates to a liquid body ejecting apparatus for an outer wall cleaning operations you wherein being configured.
[0007]
Further, according to the liquid material ejection device for the outer wall cleaning operation of claim 1, wherein the liquid for the outer wall cleaning operation air ejection unit 3 you characterized in that it is arranged annularly around the fluid ejection section 1 The present invention relates to a body injection device.
[0008]
Further, in the liquid body ejecting apparatus for an outer wall cleaning operations of any one of claims 1, 2, allowed to inject the liquid from the liquid ejecting section 1 the fluid ejection section 1 in hand body 5 provided at the tip portion providing the ejection operating portion 6 is intended according to the liquid body ejecting apparatus for an outer wall cleaning operations you characterized.
[0009]
Further, in the liquid body ejecting apparatus for an outer wall cleaning operations according to any one of claims 1 to 3, wherein the cover member 2 is a conical shape with an opening 2a at the tip, the fluid ejection section 1 the conical it relates to a liquid body ejecting apparatus for an outer wall cleaning operations you wherein provided in the top position inside the cover member 2 shaped.
[0010]
[Action and effect of the invention]
In the present invention, for example, outside of the liquid (liquid flow) ejected from the liquid ejecting unit 1 is air (air flow) ejected from the air ejecting unit 3, so that the liquid flow is prevented from being scattered around. Is done.
[0011]
Specifically, when the liquid ejecting apparatus according to the present invention is applied to a scene in which cleaning water is ejected onto a wall surface, for example, in an outer wall cleaning operation of a building such as an office building or a high-rise apartment, the liquid ejecting device is directed toward the wall surface. When the cleaning water is ejected from the unit 1, for example, the cleaning water ejected from the liquid ejecting unit 1 or the cleaning water that has bounced off the wall surface, for example, is prevented from being scattered by the air flow, and is not scattered outside the cover body 2. Note that the cover body 2 naturally prevents the washing water from being scattered.
[0012]
As described above, the present invention exhibits an epoch-making action and effect that has not been achieved so far, and has extremely high commercial value.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
1-3, is shown FIG embodiments of the present invention will be described below.
[0014]
This embodiment is a liquid material ejection device for the outer wall cleaning operations you inject liquid at a desired site, distal fluid ejection section 1 is provided in the cover body 2 having an opening 2a, this cover 2 An air injection unit 3 for injecting air is provided inside, and an air flow injected from the air injection unit 3 is injected outside the liquid flow injected from the liquid injection unit 1 in a state of surrounding the liquid flow. It is comprised so that.
[0015]
Specifically, the present embodiment has a hose connection portion 8 for connecting a hose 7 extending from a liquid pumping pump (not shown), and a flow path through which the liquid pumped from the liquid pump can be circulated. A tubular hand-held main body 5 is provided, and a nozzle body 9 as the liquid ejecting section 1 is provided at the tip of the hand-held main body 5. Reference numeral 5a denotes a grip.
[0016]
Further, the hand-held main body 5 is provided with an injection operation unit 6 for restricting the flow of the liquid pumped from the liquid pump described above at the base end portion, and by pulling the lever 10 of the jet operation unit 6, The liquid is ejected from the liquid ejecting unit 1 at a desired timing.
[0017]
Further, the hand-held main body 5 is provided with a bowl-shaped mesh member 13 (liquid diffusion portion) at the tip thereof.
[0018]
As shown in FIGS. 1 and 2, the bowl-shaped mesh member 13 is provided at the tip of a support member 13 a that protrudes from the tip of the hand-held main body 5. The momentum of the ejected liquid is adjusted and diffused.
[0019]
An air injection unit 3 is provided outside the bowl-shaped mesh member 13.
[0020]
The air injection unit 3 is configured by arranging a plurality of injection ports 11a in parallel at a front position of an annular pipe 11 disposed around a bowl-shaped mesh member 13. An air supply pipe 12 that is provided and extends from an air pressure pump (not shown) is connected.
[0021]
Therefore, the air pumped from the air pump is ejected from the air ejecting section 3 in the same direction as the liquid ejected from the liquid ejecting section 1, and the air flow ejected from the air ejecting section 3 is the liquid ejecting section. 1 is ejected in a state of surrounding the liquid flow outside (upper and left and right sides) of the liquid flow ejected from 1. Note that, similarly to the liquid ejecting unit 1 described above, an operation unit that ejects air from the air ejecting unit 3 at a desired timing may be provided.
[0022]
The hand-held main body 5 is provided with a cover body 2 that surrounds the liquid ejecting unit 1 and the air ejecting unit 3 described above.
[0023]
The cover body 2 is formed of an appropriate synthetic resin member (transparent resin) as shown in FIG. 1, and is formed in a conical shape with a diameter increasing toward the tip side. Part 2a is formed.
[0024]
The cover body 2 is configured so that the inner portion of the apex position can be detachably fitted and connected to the distal end portion of the hand-held main body 5, and is applied to the wall surface 24 of the liquid ejected from the liquid ejecting section 1 or the building. The mist-like liquid that has bounced off due to the collision is prevented from scattering, and the liquid adhering to the inner surface 2b of the cover body 2 is configured to be led out from the opening 2a along the downward inclined taper surface.
[0025]
The liquid led out from the opening 2a of the cover body 2 is collected in a drainage section 27 provided in a gondola body 15 described later together with the liquid collected in a water collection section 21 described later and subjected to drainage treatment.
[0026]
In the present embodiment, the above-described liquid ejecting apparatus is used, and the dedicated gondola body 15 suitable for the outer wall cleaning operation for cleaning the wall surface 24 is provided.
[0027]
As shown in FIG. 3, the gondola body 15 is provided with a fence portion 17 having a U-shape in plan view around a square-shaped scaffold portion 16 having a predetermined width and a predetermined length.
[0028]
The fence portion 17 is provided with a frame 18 including an upright portion 18a and a hanger portion 18b protruding in a horizontal direction from the upright portion 18a. The apparatus is configured to be suspended through a balancer 19, and is configured to be able to lock a net 20 as a covering material that covers the entire gondola body 15.
[0029]
In addition, the fence unit 17 is provided with a driving device 25 (motor) in each of the left and right fence units, and the driving device 25 is provided with a wire 26 that is suspended from the roof of the building to the ground. By driving the driving device 25, the gondola body 15 can be moved up and down along the wire 26. Therefore, the gondola body 15 can move up and down at a position spaced apart from the outer wall of the building by a predetermined distance. Become.
[0030]
Further, the gondola body 15 is provided with a water collecting portion 21 at a lower position on the front side thereof.
[0031]
As shown in FIG. 3, the water collecting portion 21 is a U-shaped long member that has a bottom member 21a whose bottom surface is inclined downward toward the center, and a pipe member 21b that penetrates the center of the bottom surface of the collar member 21a. The liquid flowing through the wall surface 24 falls on the dredge member 21a, and the liquid that has entered the dredge member 21a is collected at the center of the bottom surface and flows from the pipe member 21b to the drainage portion 27 provided in the gondola body 15. It will be. The liquid collected in the drainage section 27 is drained through a hose 27a extending to the ground.
[0032]
Further, the flange member 21a is provided with a contact member 28 in contact with the wall surface 24 in an inclined state at an upper front edge portion thereof.
[0033]
In this embodiment, a brush member is employed as the contact member 28.
[0034]
The contact member 28 is configured to efficiently guide the liquid flowing through the wall surface 24 to the flange member 22.
[0035]
That is, if the abutting member 28 is plate-shaped, even if the abutting member 28 is abutted against the wall surface 24, if the wall surface 24 has irregularities, the tip end abuts against the concave portion of the wall surface 24. Therefore, there is a problem in that the liquid flowing through the recess flows down the wall surface 24 without being guided to the flange member 21a. Since the brush member is employed, this brush member can be made to enter corresponding to the irregularities of the wall surface 24, and the liquid flowing through the wall surface 24 can be reliably guided to the flange member 21a. In other words, the contact member 28 is desirably a member that follows the unevenness of the wall surface 24a. In addition to the brush member, for example, a bristle member or the like can be used as long as the structure can exhibit the characteristics of the present embodiment. Adopted.
[0036]
A case where the outer wall cleaning operation is performed using the apparatus having the above-described configuration will be described.
[0037]
First, this outer wall cleaning operation is performed by an operator riding on a gondola body 15 that moves up and down along the wall surface 24 (see FIG. 3). Specifically, a cleaning water application process that sprays and applies cleaning water to the wall surface 24, a cleaning agent application process that applies a cleaning agent, and a finishing process that sprays cleaning water again to wash away dirt that floats on the wall surface 24. The liquid ejecting apparatus is used when the cleaning water is sprayed onto the wall surface 24 in the cleaning water application process and the finishing process.
[0038]
Specifically, when the cleaning water W is ejected from the liquid ejecting unit 1 toward the wall surface 24, for example, the cleaning water W immediately after being ejected from the liquid ejecting unit 1 or the cleaning water W that has bounced off the wall surface, for example, Even if an attempt is made to scatter from the gap between the opening 2a of the cover body 2 and the wall surface 24 to the surroundings, the scatter is caused by the air flow of the air A injected from the air injection portion 3 that flows so as to cover the outside of the washing water flow. Will be prevented. The cover body 2 also prevents the cleaning water W from scattering.
[0039]
Incidentally, the present applicant has actually tried an outer wall cleaning operation using the present apparatus, and about 80% of the cleaning water W sprayed from the liquid ejecting section 1 flows along the wall surface 24. The remaining 20% of the wash water W flows along the inner surface 2b of the cover body 2 and flows from the opening 2a through the water collection portion 21 and the drainage portion 27. It is confirmed that wastewater is treated.
[0040]
Therefore, according to the present embodiment, it is possible to prevent the cleaning water from splashing or dropping as much as possible. Therefore, as in the conventional case, a scaffold is formed to cover the entire building with a net, The installation work of the water-proof structure such as installing a water catching plate is not necessary, and the cleaning work is very cost-effective, and the work period of the entire cleaning work is drastically reduced. Will be able to.
[0041]
Further, in the present embodiment, the use of the gondola body 15 allows for even better cleaning work, and the gondola body 15 is provided with a net 20 that covers the entire gondola body 15. Even if the washing water W scatters, it can be surely prevented, and it is possible to provide a good working environment by giving the worker a sense of security by making it difficult to see the surroundings. It will be very nice without being seen.
[0042]
Further, in this embodiment, the hand-held main body 5 provided with the liquid ejecting unit 1 at the tip is provided with the ejection operation unit 6 that ejects the cleaning water W from the liquid ejecting unit 1, so that the operator can supply the cleaning water to a desired site. W can be injected.
[0043]
The cover body 2 is provided with a liquid outlet for cleaning the outer wall, and the cover body 2 is connected to the hose body 14 penetrating the lower inner surface at the front end of the cover body 2 so that the above-described liquid ejecting section 1 can be removed. The jetted liquid may adhere to the inner surface 2b of the cover body 2, flow along the downward inclined surface of the cover body 2, and be led out. The liquid led out by the liquid lead-out unit 6 is collected in the drainage unit 27 provided in the gondola body 15 together with the liquid collected in the water collection unit 21 described above, and is drained .
[Brief description of the drawings]
1 is a perspective view showing an embodiment.
FIG. 2 is a schematic operation explanatory diagram of the present embodiment .
FIG. 3 is an explanatory diagram of a use state of the present embodiment .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Liquid injection part 2 Cover body 2a Opening part 3 Air injection part 5 Handheld main body 6 Injection operation part
13 Bowl-shaped mesh member

Claims (4)

A liquid material ejection device for the outer wall cleaning operations you inject liquid to a Nozomu Tokoro site of the outer wall, the liquid ejecting portion is provided in the cover body having an opening at the distal end, in front of the liquid ejecting portion liquid jet A bowl-shaped mesh member for adjusting the momentum of the liquid ejected from the section and diffusing the liquid is provided, and an air ejecting section for ejecting air is provided around the bowl-shaped mesh member in the cover body. , air flow ejected from the air ejection portion that is configured outer wall cleaning operation you characterized as injected in a state surrounding the outside liquid flow of the liquid stream ejected from the fluid ejection section liquid body injection system use. In the liquid body ejecting apparatus for an outer wall cleaning operations according to claim 1, liquids ejection device for the outer wall cleaning operations you characterized in that air ejection portion is disposed annularly around the liquid ejecting portion. In the liquid body ejecting apparatus for an outer wall cleaning operations according to any one of claims 1, provided an injection operation section allowed to inject the liquid from the liquid ejecting portion in a hand-held main body provided with the liquid ejecting portion to the tip portion liquids ejection device for the outer wall cleaning operations characterized in that the. In the liquid body ejecting apparatus for an outer wall cleaning operations according to claim 1 any one, the cover body is a conical shape having an opening at the tip, the liquid ejecting portion of the cover body of the cone-shaped liquids ejection device for the outer wall cleaning operations you characterized in that provided in the vertex positions inside.

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