JP5308571B1 - Liquid spreader hood and liquid spreader hood set - Google Patents

Abstract

An object of the present invention is to provide a hood for a liquid spreader that is excellent in the effect of preventing scattering of liquid such as asphalt emulsion.
A hood for a liquid spreader according to the present invention is a hood for a liquid spreader that is detachably attached to a discharge hose of a liquid spreader, and has an inlet for connecting the discharge hose to an upper wall and an opening on a bottom surface. The hood main body which has this, and the cylindrical body made from an elastomer connected from the bottom part of this hood main body, It is characterized by the above-mentioned. In the liquid spreader hood, the bottom opening of the hood main body may be provided in a shape having a major axis and a minor axis that are substantially orthogonal to each other. The liquid spreader hood may be provided such that the upper wall of the hood main body is inclined along the major axis direction of the opening on the bottom surface.
[Selection] Figure 2

Description

  The present invention relates to a liquid spreader hood and a liquid spreader hood set.

  Conventionally, when a road surface is paved with asphalt, a liquid spreader is often used. The liquid spreader includes a discharge hose for an operator to hold and spray the asphalt emulsion, and discharge the asphalt emulsion in a fan shape from the nozzle at the tip of the discharge hose to spray it on the ground.

  When spraying the asphalt emulsion using such a liquid sprayer, at least during the asphalt emulsion spraying to prevent the discharged asphalt emulsion from splashing and soiling the passersby's clothing and curb blocks on the shoulder. Two or more workers surround the spraying area with a board. However, in such a method, the asphalt emulsion may be scattered by the wind. Moreover, there is an inconvenience that a person other than the operator who operates the liquid spreader is required.

  In view of the above disadvantages, a hood for a liquid sprayer connected to a discharge hose of the liquid sprayer has been proposed (see Utility Model Registration No. 3113086). The hood for a liquid spreader described in the above publication includes a cover that covers the periphery of the tip of the discharge hose, and a brush that hangs down along the lower edge of the cover. Therefore, the hood for a liquid spreader described in the above publication does not require any manpower other than an operator who operates the liquid spreader, and suppresses scattering of the asphalt emulsion sprayed from the discharge hose to the periphery.

  However, the hood for a liquid spreader described in the above publication has a brush between the road surface and the cover. For example, when a strong wind blows, the asphalt emulsion may be scattered from the gap between the brushes.

Utility Model Registration No. 3113086

  This invention is made | formed in view of the above situations, and the 1st subject of this invention is providing the food | hood for liquid sprayers excellent in the scattering prevention effect of liquids, such as an asphalt emulsion. Moreover, the 2nd subject of this invention is providing the food set for liquid sprayers which can store the said food | hood for liquid sprayers easily and reliably.

The invention made to solve the first problem is
A hood for a liquid spreader that is detachably attached to a discharge hose of the liquid spreader,
A hood body having an inlet for connecting the discharge hose to the upper wall and an opening on the bottom surface;
An elastomer cylindrical body continuously provided from the bottom of the hood body,
The opening on the bottom surface of the hood body is provided in a shape having a major axis and a minor axis that are substantially orthogonal,
The hood for a liquid spreader is characterized in that an upper wall of the hood main body is inclined along a major axis direction of the opening of the bottom surface.

  In the liquid spreader hood, when a liquid such as an asphalt emulsion is sprayed from the discharge hose of the liquid spreader connected to the inlet of the upper wall, the sprayed liquid is a road surface located at the opening of the bottom surface. It adheres to the spraying surface. At the time of spraying, the liquid is surrounded by the hood main body and the cylindrical body, so that the liquid can be accurately prevented from being scattered even by a strong wind or the like. Moreover, since the said cylindrical body is an elastomer product, even if the said liquid dispersion | distribution device food | hood touches distribution surfaces, such as a road surface, the said surface is hard to be damaged.

In the hood for a liquid spreader, the opening on the bottom surface of the hood main body is provided in a shape having a major axis and a minor axis that are substantially orthogonal to each other. Thereby, the said hood for liquid sprayers can be used suitably for the liquid sprayer from which a liquid is ejected in fan shape from a discharge hose. In other words, a hood for a liquid spreader for spraying asphalt emulsion generally sprays liquid while spreading in a fan shape (injection angle in one direction (angle formed with the injection axis) in this one direction in a plane perpendicular to the injection axis). Since the liquid is ejected larger than the ejection angle in the orthogonal direction, as described above, the direction of spreading in a fan shape (the one direction having a large ejection angle) and the long axis of the opening coincide with each other. By attaching the hood to the discharge hose, the liquid sprayed from the discharge hose becomes difficult to adhere to the inner surface of the hood main body and the inner surface of the cylindrical body, and the liquid can be efficiently sprayed on the spray surface.

  The hood for a liquid spreader is provided such that the upper wall of the hood main body is inclined along the major axis direction of the opening of the bottom surface. As a result, by attaching the discharge hose from the side where the upper wall is inclined downward and from above, the spraying operation can be performed smoothly, and when the discharge hose is attached and the liquid is ejected from the discharge hose in this way, the liquid is Hard to adhere to the wall. In other words, since the upper wall is inclined, it is easier to install the discharge hose inclined than when the upper wall is horizontal, and the operator holds the discharge hose by attaching the discharge hose in this manner. It is easy to carry out and the spraying work can be performed smoothly. Also, when the discharge hose is attached and the liquid is ejected in this way, the discharge angle of the liquid in the horizontal direction is smaller on the opposite side than on the side where the discharge hose is attached. Since the wall is inclined and the upper wall on the side having a small discharge angle with respect to the horizontal direction is positioned above, it is difficult for liquid to adhere to the upper wall.

  The liquid spreader hood may further include a support member that protrudes upward from the upper wall of the hood main body and can support a midway portion of the discharge hose. By providing such a support member, the discharge hose connected to the inflow port can be supported by the support member, and the attachment state between the liquid spreader hood and the discharge hose can be reliably maintained.

Furthermore, another invention made to solve the second problem is as follows:
The liquid spreader hood configured as described above;
A cover detachably fitted to the bottom of the hood for the liquid spreader,
The liquid spreader hood is a hood set for a liquid spreader having a convex portion that protrudes laterally from the hood main body and abuts against the upper edge of the cover.

  Since the liquid spreader hood set includes the cover, the liquid spreader hood can be accurately stored in a state in which no spraying operation is performed. That is, since the liquid spreader hood has a convex portion that protrudes laterally from the hood body as described above, the convex portion is brought into contact with the upper edge of the cover so that the cover A cylindrical body can be externally fitted. In addition, since the convex portion comes into contact with the upper edge of the cover in this way, it is possible to alleviate the action of the own weight or the like of the hood for the liquid spreader on the cylindrical body.

  As described above, the hood for a liquid spreader of the present invention is excellent in the effect of preventing the scattering of liquid such as asphalt emulsion. In addition, the liquid spreader hood set of the present invention can easily and reliably store the liquid spreader hood.

It is a schematic diagram of a liquid spreader provided with the hood for liquid spreaders which concerns on one Embodiment of this invention. It is a typical side view which shows the hood for liquid spreaders of FIG. It is the sectional view on the AA line of the food | hood for liquid spreaders of FIG. It is the BB sectional view taken on the line of the hood for liquid spreaders of FIG. It is a schematic diagram which shows the cover which concerns on one Embodiment of this invention, Comprising: (a) is a side view, (b) is a partial front view. FIG. 6 is a schematic side view showing a liquid spreader hood set including the liquid spreader hood of FIG. 1 and the cover of FIG. 5.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

[First embodiment]
<Liquid spreader 1>
The liquid spreader 1 of FIG. 1 has a spreader body 2, a liquid spreader hood 3, and a discharge hose 4.

(Sprayer body 2)
The spreader body 2 has a container 5 for storing a liquid such as an asphalt emulsion. The spreader body 2 discharges liquid such as asphalt emulsion stored in the container 5 to the discharge hose 4 side by an engine (not shown). Four wheels 6 are provided at the bottom of the spreader body 2. The spreader body 2 is configured to be slidable by these wheels 6. The liquid storage capacity of the container 5 can be, for example, 10L or more and 30L or less.

(Liquid spreader hood 3)
As shown in FIG. 2, the liquid spreader hood 3 includes a hood main body 12, a cylindrical body 13, and a support member 14. The hood main body 12 is formed in a substantially bottomed cylindrical shape having an opening on the bottom surface by an upper wall and a side wall 17 standing downward from a side edge of the upper wall. The side wall located at the front is referred to as a side wall 17a, and the side walls located at the rear, right side, and left side during operation are referred to as side wall 17b, side wall 17c, and side wall 17d. A substantially circular opening is provided in the approximate center of the upper wall of the hood body 12. On the upper wall of the hood main body 12, a connecting portion is formed that protrudes in a cylindrical shape upward from the periphery of the opening. In addition, the opening and the connecting portion are formed as an inlet 15 for connecting the discharge hose 4. A pair of convex portions 16 are formed on the bottom portions of the left and right side walls (side wall 17c and side wall 17d) of the hood body 12 so as to project sideways.

  The hood body 12 is formed in a shape in which the width direction (left-right direction) is substantially constant and the longitudinal direction (front-rear direction) extends from the top to the bottom. Examples of the side view shape of the hood body 12 include a substantially trapezoidal shape and a substantially semi-elliptical shape. In the liquid spreader 1, the left and right side walls (side wall 17c and side wall 17d) of the hood main body 12 are formed in a hem-extended shape from the top to the bottom, so that asphalt emulsion ejected in a fan shape from the nozzle 21 has side walls. It can suppress adhering to 17 inner surface, and an asphalt emulsion can be used efficiently.

  As shown in FIG. 3, the opening on the bottom surface of the hood main body 12 is provided in a shape having a major axis m and a minor axis n that are substantially orthogonal. Specifically, the opening on the bottom surface of the hood main body 12 has a substantially rectangular shape by a pair of side walls 17c and 17d disposed in the major axis direction and a pair of side walls 17a and 17b disposed in the minor axis direction. Is formed.

The long axis direction of the opening length _{(d 1),} is not particularly limited, but is preferably 50cm or 90cm or less. The upper limit of the opening length (d ₁ ) in the major axis direction is more preferably 80 cm, and even more preferably 75 cm. Further, the lower limit of the opening length (d ₁ ) in the major axis direction is more preferably 60 cm, and further preferably 65 cm. When the opening length (d ₁ ) in the major axis direction exceeds the above upper limit, a region where liquid such as asphalt emulsion is not sprayed becomes large in the opening, which may be contrary to space saving. In addition, in the case of adopting a configuration in which a liquid such as an asphalt emulsion is sprayed according to the opening length (d ₁ ) in the major axis direction, the amount of asphalt emulsion sprayed per unit area is reduced, and a sufficient effect is obtained. There is a risk of not being able to. Conversely, when the opening length (d ₁ ) in the major axis direction is less than the lower limit, liquid such as asphalt emulsion may adhere to the inner surface of the side wall 17 and the spraying efficiency of liquid such as asphalt emulsion may decrease. There is.

The opening length (d ₂ ) in the minor axis direction is not particularly limited, but is preferably 5 cm or more and 9 cm or less. The upper limit of the opening length (d ₂ ) in the minor axis direction is more preferably 8 cm, and further preferably 7.5 cm. Further, the lower limit of the opening length (d ₂ ) in the minor axis direction is more preferably 6 cm, and further preferably 6.5 cm. When the opening length (d ₂ ) in the minor axis direction exceeds the above upper limit, a region where liquid such as asphalt emulsion is not sprayed becomes large in the opening, which may be contrary to space saving. On the other hand, when the opening length (d ₂ ) in the minor axis direction is less than the lower limit, liquid such as asphalt emulsion may adhere to the inner surface of the side wall 17 and the spraying efficiency of liquid such as asphalt emulsion may decrease. There is.

The ratio of the minor axis direction of the opening length _{(d 2)} the long axis direction of the opening length of _{(d 1) (d 2 /} d 1), is not particularly limited, 1/8 or less is preferably 1/12 or more . The upper limit of the ratio of the minor axis direction of the opening length _{(d 2)} the long axis direction of the opening length of _{(d 1) (d 2 /} d 1) is 1/9 is more preferable. On the other hand, the lower limit of the ratio of the minor axis direction of the opening length _{(d 2)} the long axis direction of the opening length of _{(d 1) (d 2 /} d 1) is 1/11 is more preferable. As the ratio of the minor axis direction of the opening length _{(d 2)} the long axis direction of the opening length of _{(d 1) (d 2 /} d 1), 1/10 is most preferred. If the minor axis direction of the opening length (d ₂₎ the long axis direction of the opening length of the ratio _{(d 1) (d 2 /} d 1) is outside the above range, possibly bitumen emulsion from adhering to the inner surface of the side wall In addition, there is a risk that the spraying efficiency of the asphalt emulsion may be reduced.

  The upper wall of the hood body 12 is provided to be inclined along the long axis direction of the opening on the bottom surface. The average inclination angle α of the upper wall of the hood body 12 is not particularly limited, but is preferably 5 ° or more and 30 ° or less. The upper limit of the average inclination angle α of the upper wall of the hood body 12 is more preferably 25 ° and even more preferably 20 °. On the other hand, the lower limit of the average inclination angle α of the upper wall of the hood body 12 is preferably 10 °, and more preferably 15 °. When the average inclination angle α of the upper wall of the hood main body 12 exceeds the upper limit, there is a high possibility that liquid such as asphalt emulsion adheres to the side wall 17a. On the other hand, when the average inclination angle α of the upper wall of the hood body 12 is less than the lower limit, the effect of improving the ease of mounting the discharge hose 4 and the workability of the liquid spreader 1 may not be obtained.

  The material for forming the hood body 12 is not particularly limited, and examples thereof include synthetic resins such as polyethylene, polyester, and polycarbonate, metals such as iron, copper, brass, aluminum, and stainless steel, and wood. Among these, aluminum is preferable from the viewpoint of light weight. Moreover, a galvanized steel sheet can also be used from a viewpoint which is excellent in workability.

  As shown in FIG. 4, the convex portion 16 protrudes laterally from the bottom of the side wall 17 c and the side wall 17 d. The convex part 16 is formed in a substantially plate shape. A pair of convex portions 16 is provided on each of the side wall 17c and the side wall 17d. The convex portions 16 are arranged at substantially equal intervals in the left-right direction from the center of the side wall 17c and the side wall 17d. The convex portion 16 may be formed integrally with the cover main body 12 or may be fixed to the cover main body 12 with a bolt or the like.

The length (d ₃ ) of the protrusion 16 in the protruding direction is preferably 1.5 cm or more and 5 cm or less. The upper limit of the protrusion direction length (d ₃ ) of the convex portion 16 is more preferably 4.5 cm, and further preferably 4 cm. On the other hand, the lower limit of the protrusion direction length (d ₃ ) of the convex portion 16 is more preferably 2 cm, and further preferably 2.5 cm. When the protrusion direction length (d ₃ ) of the convex portion 16 exceeds the above upper limit, the convex portion 16 may come into contact with another object or a person at the time of work or the like, and the contacted object or the person may be damaged. On the contrary, when the protrusion direction length (d ₃ ) of the convex portion 16 is less than the lower limit, the convex portion 16 may be difficult to contact the upper edge of the cover 31 described later.

  The cylindrical portion 13 is continuously provided downward from the bottom of the hood main body 12. The cylindrical portion 13 is formed in a square cylindrical shape. The cylindrical portion 13 is made of an elastomer material.

  Although it does not specifically limit as an elastomer material which forms the cylindrical part 13, Rubber | gum or a thermoplastic elastomer is used suitably. Examples of the rubber include natural rubber, polyisoprene, polybutadiene, styrene-butadiene copolymer, acrylonitrile-butadiene copolymer, ethylene-propylene-diene copolymer, polychloroprene, ethylene-propylene copolymer, isobutylene- Examples include isoprene copolymer and silicone rubber. Examples of the thermoplastic elastomer include, for example, polyvinyl chloride-based thermoplastic elastomers, styrene-based thermoplastic elastomers, olefin-based thermoplastic elastomers, ester-based thermoplastic elastomers, urethane-based thermoplastic elastomers, amide-based thermoplastic elastomers, and fluorine-based thermoplastic elastomers. A thermoplastic elastomer etc. are mentioned.

  Although it does not specifically limit as average height of the cylindrical part 13, 5 cm or more and 15 cm or less are preferable. The upper limit of the average height of the cylindrical portion 13 is more preferably 13 cm and even more preferably 10 cm. On the other hand, the lower limit of the average height of the cylindrical portion 13 is more preferably 6 cm, and further preferably 7 cm. If the average height of the cylindrical portion 13 exceeds the above upper limit, the strength of the hood 3 for the liquid spreader may be reduced, and a liquid such as an asphalt emulsion may adhere to the cylindrical portion 13 and work efficiency may be reduced. There is. On the contrary, when the average height of the cylindrical part 13 is less than the said minimum, there exists a possibility that the damage prevention effect with respect to contact surfaces, such as a road surface, may not fully be acquired.

  Although it does not specifically limit as average thickness of the cylindrical part 13, 1 mm or more and 10 mm or less are preferable. The upper limit of the average thickness of the cylindrical portion 13 is more preferably 8 mm, and further preferably 6 mm. On the other hand, the lower limit of the average thickness of the cylindrical portion 13 is more preferably 2 mm, and further preferably 3 mm. When the average thickness of the cylindrical part 13 exceeds the said upper limit, there exists a possibility that an opening area may become small and efficiency may fall. Conversely, when the average thickness of the cylindrical portion 13 is less than the above lower limit, the strength is reduced and the cylindrical portion 13 is damaged, and liquid such as asphalt emulsion may be scattered from the damaged portion.

  The average inclination angle β of the imaginary line connecting the front end of the bottom of the cylindrical portion 13 and the inlet 15 of the hood body 12 in a side view is preferably 30 ° or more and 55 ° or less. The upper limit of the average inclination angle β is more preferably 50 °, and further preferably 45 °. On the other hand, the lower limit of the average inclination angle β is more preferably 35 ° and even more preferably 40 °. When the average inclination angle β exceeds the above upper limit, there is a high possibility that liquid such as asphalt emulsion adheres to the inner surfaces of the hood main body 12 and the cylindrical portion 13. On the other hand, when the average inclination angle β is less than the above lower limit, the area in which the asphalt emulsion is not sprayed in the hood 3 for the liquid sprayer becomes large, which may be contrary to space saving. In addition, in the case of adopting a configuration in which liquid such as asphalt emulsion is sprayed in accordance with the inner region of the liquid spreader hood 3, the amount of sprayed liquid such as asphalt emulsion per unit area is reduced, and a sufficient effect can be obtained. There is a risk of not.

  In addition, the average inclination angle β ′ of the imaginary line connecting the bottom rear end of the cylindrical portion 13 and the inlet 15 of the hood body 12 in a side view can be the same as the average inclination angle β, but the nozzle 21 May be smaller than the average inclination angle β.

  The support member 14 protrudes upward from the upper wall of the hood body 12. The support member 14 is disposed on the side of the upper wall inclined downward from the inflow port 15. A flat cylindrical connecting portion 24 is provided at the tip of the support member 14. The support member 14 is configured to be able to support the midway portion by inserting the midway portion of the discharge hose 4 into the connecting portion 24. Examples of the material for forming the support member 14 include the same material as that of the hood body 12. In the present embodiment, the support member 14 protrudes from the upper wall of the hood body 3 in a substantially vertical direction. However, as long as the support member 14 protrudes upward from the upper wall of the hood main body 3, it does not necessarily have to protrude in a substantially vertical direction.

(Discharge hose 4)
The discharge hose 4 has a tube length portion 20 and a nozzle 21 connected to the tip of the tube length portion 20. The tube length portion 20 includes a straight tube portion 22 and a flexible tube portion 23 connected to the straight tube portion 22. The discharge hose 4 has a straight pipe portion 22 connected to the nozzle 21 and a flexible pipe portion 23 connected to the spreader body 2. On one end side of the nozzle 21, an injection unit (not shown) that discharges a liquid such as an asphalt emulsion sent from the straight pipe unit 22 side in a substantially fan shape is formed. The other end side of the nozzle 21 is formed in a cylindrical shape.

<Connection structure of hood 3 for liquid spreader and discharge hose 4>
Next, a connection structure between the liquid spreader hood 3 and the discharge hose 4 will be described. First, the liquid spreader hood 3 and the discharge hose 4 are connected by connecting the nozzle 21 of the discharge hose 4 to the inlet 15 of the liquid spreader hood 3. Specifically, a pair of holes are provided in a portion facing the connection portion of the inflow port 15. In addition, a pair of holes are also provided in a facing portion on the other end side of the nozzle 21. The hood 3 for liquid spreader and the discharge hose 4 are detachably connected by being screwed together with a bolt in a state where the pair of holes of the inlet 15 and the pair of holes of the nozzle 21 are overlapped. The nozzle 21 is fixed so that the fan-shaped spreading direction of the asphalt emulsion liquid jetting direction coincides with the major axis m. Further, the straight pipe portion 22 of the discharge hose 4 is inserted into the connecting portion 24 and supported at a predetermined position inclined in the long axis direction and rearward of the hood body 3.

<advantage>
In the liquid spreader hood 3, when a liquid such as an asphalt emulsion is sprayed from the discharge hose 4 connected to the inlet 15 on the upper wall, the sprayed liquid is applied to a road surface or the like located at the opening on the bottom surface. Adhere to the spray surface. When spraying, the liquid is surrounded by the hood main body 12 and the cylindrical body 13, so that the liquid can be accurately prevented from being scattered even by strong winds or the like. Moreover, since the cylindrical body 13 is made of an elastomer, the surface of the liquid spreader hood 3 is not easily damaged even if it is in contact with a spraying surface such as a road surface.

  The liquid spreader hood 3 is provided with a shape in which the opening on the bottom surface of the hood main body 12 has a major axis m and a minor axis n that are substantially orthogonal to each other. The liquid spreader hood 3 can be suitably used for the container 1. In other words, a hood for a liquid spreader for spraying asphalt emulsion generally sprays liquid while spreading in a fan shape (injection angle in one direction (angle formed with the injection axis) in this one direction in a plane perpendicular to the injection axis). Since the liquid is ejected larger than the ejection angle in the orthogonal direction, as described above, the direction of spreading in a fan shape (the one direction having a large ejection angle) and the long axis of the opening coincide with each other. By attaching the hood 3 to the discharge hose 4, the liquid sprayed from the discharge hose 4 becomes difficult to adhere to the inner surface of the hood main body 12 and the inner surface of the cylindrical body 13, and the liquid can be efficiently sprayed on the spray surface. .

  The liquid spreader hood 3 is provided with the upper wall of the hood main body 12 inclined along the long axis direction of the opening of the bottom surface of the hood main body 12, so that the upper wall is inclined downward and from above. By attaching the discharge hose 4, the spraying operation can be performed smoothly, and when the discharge hose 4 is attached and the liquid is ejected from the discharge hose 4 in this way, the liquid hardly adheres to the upper wall. That is, since the upper wall of the hood main body 12 is inclined, the discharge hose 4 is easy to be inclined and attached as compared with a horizontal upper wall. The discharge hose 4 can be easily gripped and the spraying operation can be performed smoothly. Moreover, when the discharge hose 4 is attached and the liquid is ejected in this way, the discharge angle of the liquid with respect to the horizontal direction is smaller on the opposite side than the side on which the discharge hose 4 is attached. Since the upper wall is inclined and the upper wall having a smaller discharge angle with respect to the horizontal direction is located above, it is difficult for liquid to adhere to the upper wall.

  The liquid spreader hood 3 is provided so as to project upward from the upper wall of the hood main body 12 and includes a support member 14 capable of supporting a midway portion of the discharge hose 4, so that the discharge hose connected to the inlet 15 is provided. 4 can be supported by the support member 14, and the mounting state of the liquid spreader hood 3 and the discharge hose 4 can be reliably maintained.

  Since the liquid spreader 1 has the liquid spreader hood 3, it is possible to accurately prevent the liquid such as asphalt emulsion from being scattered even by a strong wind or the like.

<Cover 31>
As shown in FIG. 5, the cover 31 has a bottomed rectangular tube-shaped cover body 32, a pair of side plates 33 protruding upward from the left and right side walls of the cover body 32, and upper ends of the pair of side plates 33. And a pair of handles 34 to be coupled. The cover 31 is detachably fitted to the bottom of the liquid spreader hood 3. The cover main body 32 and the side plate 33 may be formed integrally or may be connected after being formed as a separate body. Examples of the material for forming the cover main body 32 and the side plate 33 include the same materials as those for the hood main body 12.

  The bottom surface of the cover main body 32 is formed as an inclined surface inclined upward toward one end side in the longitudinal direction. The bottom wall on one end side in the longitudinal direction of the cover body 32 is supported from below by a support base 35. Further, a drain port 36 is provided in the lower part of the side wall on the other end side in the longitudinal direction of the cover body 32.

  The cover body 32 is formed with the smallest height at one end side in the longitudinal direction. The height of one end side in the longitudinal direction of the cover body 32 is preferably equal to or higher than the height of the cylindrical body 13. The height of one end side in the longitudinal direction of the cover body 32 is preferably higher than the height of the tubular body 13 by 0 cm or more and 3 cm or less, more preferably 0.5 cm or more and 2.5 cm or less, and more preferably 1 cm or more and 2 cm. The higher one is more preferable. When the height of one end side of the cover body 32 in the longitudinal direction exceeds the above upper limit, the function as a tray for the liquid such as asphalt emulsion adhered to the inner surfaces of the hood body 12 and the cylindrical body 13 is not improved so much, and the cover 31 May increase storage efficiency. On the contrary, when the height of one end side in the longitudinal direction of the cover body 32 is less than the lower limit, pressure is applied to the tubular body 13 made of elastomer, and the tubular body 13 may be deteriorated.

The side plate 33 has a flat plate portion 37 and an inclined portion 38 provided continuously above the flat plate portion 37. The normal distance (d ₄ ) from the flat plate portion 37 to the upper end of the inclined portion 38 is not particularly limited, but is preferably 2 cm or more and 5 cm or less. The upper limit of the normal distance (d ₄ ) is more preferably 4.5 cm, and further preferably 4 cm. On the other hand, the lower limit of the normal distance (d ₄ ) is more preferably 2.5 cm, and further preferably 3 cm. When the normal distance (d ₄ ) exceeds the upper limit, an object, a person, or the like may come into contact with the inclined portion 38, and the object, the person, or the like that contacts the inclined portion 38 may be damaged. On the other hand, when the normal distance (d ₄ ) is less than the lower limit, the discharge hose 4 may not be suitably accommodated inside the inclined portion 38 as described later.

<Food set 41 for liquid spreaders>
As shown in FIG. 6, the liquid spreader hood set 41 includes a liquid spreader 1 and a cover 31. The liquid spreader hood 3 has a pair of convex portions 16 protruding from the right side wall 17 c of the hood main body 12 and a pair of convex portions 16 protruding from the left side wall 17 d of the hood main body 12 at the upper edge of the side wall of the cover 31. It is held in contact. Further, in the discharge hose 4, the flexible tube portion 23 is accommodated in a concave portion formed by the inside of the inclined portion 38 and the side wall 17 d of the hood main body 12.

<advantage>
Since the liquid spreader hood set 41 includes the cover 31, the liquid spreader hood 3 can be accurately stored in a state where the spraying operation is not performed. That is, since the liquid spreader hood 3 has the convex portion 16 projecting sideways from the hood main body 12 as described above, by bringing the convex portion 16 into contact with the upper edge of the cover 31, The cylindrical body 13 can be externally fitted by the cover 31. Further, since the convex portion 16 abuts on the upper edge of the cover 31 as described above, it is possible to alleviate the action of the self weight of the liquid spreader hood 3 on the cylindrical body 13.

  The liquid spreader hood set 41 can suitably discharge liquid such as asphalt emulsion accumulated in the cover main body 32 by the drain port 36 provided in the lower portion of the side wall on the other end side in the longitudinal direction of the cover main body 32. . In particular, the liquid spreader hood set 41 is formed as an inclined surface in which the bottom surface of the cover main body 32 is inclined upward toward one end in the longitudinal direction, so that liquid such as asphalt emulsion present in the cover main body 32 is drained. Collected on the mouth 36 side. Therefore, the liquid spreader hood set 41 can easily and reliably discharge liquid such as asphalt emulsion accumulated in the cover main body 32 only by opening and closing the drain port 36.

  In the liquid spreader hood set 41, since the cover 31 has the inclined portion 38, the discharge hose 4 can be accommodated in the concave portion formed by the inclined portion 38 and the side wall 17 of the hood main body 12. Space saving of the storage space can be promoted.

[Other Embodiments]
In addition, the hood for liquid spreaders and the hood set for liquid spreaders of the present invention can be implemented in variously modified and improved modes in addition to the above modes. For example, as the liquid spreader, the wheels do not necessarily have to be directly disposed on the spreader body, and the spreader body may be fixed to a carriage having wheels. Moreover, as a spreader main body, an operator may carry and carry. Further, the spreader body may be a manual type in which the liquid in the container is discharged by the operator's pushing operation of the pump. The shape of the opening of the hood body is not necessarily rectangular, and may be, for example, an elliptical shape.

  The upper wall of the hood main body does not necessarily have to be inclined along the major axis direction of the bottom opening, and may be formed in parallel with the major axis direction of the bottom opening. When the upper wall of the hood body is formed in parallel with the long axis direction of the bottom opening, the liquid spreader hood injects a liquid such as an asphalt emulsion substantially vertically downward from an injection portion provided at the tip of the nozzle. The efficiency when doing so is improved.

  Further, the support member does not necessarily have to protrude upward from the upper wall of the hood main body, and may protrude from the side wall of the hood main body.

  The support member only needs to support the middle part of the discharge hose, and the discharge hose does not necessarily have to be inserted into the flat cylindrical connecting part. Examples of means for supporting the discharge hose by the support member include a means for sandwiching the discharge hose from the left and right, and a means for fixing using a bolt or the like.

  The side plates provided on the left and right side walls of the cover do not necessarily have to have a flat plate portion and an inclined portion. Further, even when the side plate has a flat plate portion and an inclined portion, it is not necessary that all the side plates provided on the cover have the flat plate portion and the inclined portion, for example, only a pair of side plates provided on the right side. May have an inclined portion.

  As described above, the hood for a liquid spreader of the present invention is excellent in the effect of preventing the scattering of liquid such as an asphalt emulsion, and therefore can be suitably used for asphalt spraying during road paving. Further, the liquid spreader hood set of the present invention is excellent for storing the liquid spreader hood.

DESCRIPTION OF SYMBOLS 1 Liquid spreader 2 Spreader main body 3 Liquid sprayer hood 4 Discharge hose 5 Container 6 Wheel 12 Hood main body 13 Cylindrical body 14 Support member 15 Inlet 16 Convex part 17 Side wall 20 Long pipe part 21 Nozzle 22 Straight pipe part 23 Flexible Pipe portion 24 Connecting portion 31 Cover 32 Cover body 33 Side plate 34 Handle 35 Support base 36 Drain port 37 Flat plate portion 38 Inclined portion 41 Liquid spreader hood set

Claims (3)

A hood for a liquid spreader that is detachably attached to a discharge hose of the liquid spreader,
A hood body having an inlet for connecting the discharge hose to the upper wall and an opening on the bottom surface;
An elastomer cylindrical body continuously provided from the bottom of the hood body ,
The opening on the bottom surface of the hood body is provided in a shape having a major axis and a minor axis that are substantially orthogonal,
A hood for a liquid spreader , wherein an upper wall of the hood body is provided so as to be inclined along a major axis direction of the opening of the bottom surface . The hood for a liquid spreader according to claim 1, further comprising a support member that protrudes upward from an upper wall of the hood main body and can support a midway portion of the discharge hose. A hood for a liquid spreader according to claim 1 or 2 ,
A cover detachably fitted to the bottom of the hood for the liquid spreader,
A hood set for a liquid spreader, wherein the hood for a liquid spreader protrudes laterally from the hood main body and has a convex portion that comes into contact with the upper edge of the cover.

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