JP4790373B2 - Equipment for drawing lines - Google Patents

Description

The present invention relates to an apparatus for drawing a line. More particularly, a wheel provided detachably on both ends of the axle penetrating the bottom of the vessel, on the ground of the outdoor playground or stadium provided with an impeller for discharging the powder from the outlet of the container line Relates to a device for pulling.

Outdoor playground and stadiums device to draw lines by powder such as lime (hereinafter, simply referred to as "device") is disclosed, for example, in Patent Document 1.

Disclosed in Patent Document 1 apparatus includes a front large wheel diameter 30mm with detachable powder discharging brush body in a removable discharge portion for supporting the axle from below, down claw sharpener for powder discharge A blade, a semi-opening discharge port having a brush cleaning claw, a square windshield surrounding the discharge port, and a mudguard skirt are provided in an integrated structure.
Utility Model Registration No. 3088013 Specification

For disclosed in Patent Document 1 device, a slit (opening) there is a disadvantage that clogged by powder. Moreover, there is for the amount of powder emitted from the discharge port is not constant, the disadvantage is uneven line drawn occur.

The present invention, slits (openings) are without clogged by powder, in an amount of powder emitted from the outlet is constant, Drawn of never occur irregularities in the line outdoor playground and stadiums It is to provide a device for drawing a line on the ground.

Equipment of the present invention, by the powder, a device for drawing a line on the ground, the top, the closable opening for filling the powder, the bottom, to release the powder It has an outlet comprising a plurality of slits, and a container for containing a powder, a wheel that has been kicked set at both ends of an axle passing through the lower portion of the vessel, for releasing powder from the discharge outlet comprising an impeller, wherein the impeller comprises a cylindrical body fixed coaxially to the axle, provided apart from each other in the axial direction on the outer circumference of the cylindrical body, composed each of a plurality of vanes A plurality of blade rows, and an axial position of each blade row of the plurality of blade rows matches a position of each slit of the plurality of slits, and each blade row of the plurality of blade rows is , especially the protruding out of the container from the slit, including one high the blade height It is set to.

  Moreover, it is preferable that the said discharge port is provided in the side part of a container.

  In addition to the wheels, at least one wheel may be provided.

  Moreover, it is preferable to include a foreign matter biting prevention and / or powder amount adjusting means that at least partially covers the impeller.

According to the present invention, a slit (opening) is without clogged by powder, in an amount of powder emitted from the outlet is constant, Drawn it is never caused uneven line outdoor playground and competitions A device for drawing a line on the ground of the field can be provided.

  An apparatus (hereinafter referred to as “apparatus”) for drawing a line on the ground of an outdoor athletic field or athletic field according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

  FIG. 1 is a perspective view showing an apparatus according to an embodiment of the present invention, FIG. 2 is a cross-sectional explanatory view of the apparatus of FIG. 1, and FIG. 3 is a perspective view showing an apparatus according to another embodiment of the present invention. 4 is a cross-sectional view of the apparatus of FIG. 3, FIG. 5 is a side cross-sectional view of the support structure of the apparatus of FIGS. 1 and 3, FIG. 6 is a top view of the support structure of FIG. 5, and FIG. FIG. 8 is a side view of the impeller of FIG. 7, and FIG. 9 is a side view of another example of the impeller of the apparatus of FIGS. 1 and 3. FIG. 10, FIG. 10 is a top explanatory view showing the structure of another example of the impeller of the apparatus of FIGS. 1 and 3, FIG. 11 is a side explanatory view of the impeller of FIG. 10, and FIG. FIG. 13 is an explanatory side sectional view showing a modification of the support structure shown in FIG. 5, and FIG. 14 shows a comb-like plate applied to the support structure shown in FIG. Face illustration, FIG. 15 is a top explanatory view showing a state of being applied to a support structure of Figure 13.

Referring to FIG. 1 to 11, apparatus 1 of this embodiment includes a closable opening 2 for filling the powder of such lime, a plurality of slits 3a to release the powder, 3b, 3c ... a container 10 for housing a powder having an outlet 4 consisting of a wheel 6 provided detachably on both ends of the axle 5 penetrating the bottom of the vessel 10, powder from the outlet 4 of the container 10 It is comprised from the impeller 7 for discharge | releasing. The wheel 6 functions as a drive wheel that drives the impeller 7.

  Referring to FIGS. 5 and 6, reference numeral 11 indicates a support structure of the apparatus 1 and reference numeral 12 indicates a support frame. The support structure 11 is fixed to the lower portion of the container 10 by a conventionally known fixing means such as screwing, adhesion, or heat fusion. The internal space of the container 10 is a space closed by the lid 20 and the support frame 12 except for the discharge port 4 described above. The discharge port 4 is provided on the side portion of the support frame 12. The axle 5 of the wheel 6 is rotatably supported by a bearing 14, and the impeller 7 is fixed to the axle 5 by a pin 21 (see FIG. 6). As shown in FIG. 12, the axle 5 includes, for example, a core layer 5a made of a metal such as iron, a first coating layer 5b made of a synthetic resin such as ABS resin that covers the core layer 5a, and a first coating. What is comprised from the 2nd coating layer 5c which consists of synthetic resins, such as a polypropylene which coat | covers the layer 5b, is employ | adopted suitably from a viewpoint of mechanical strength and weight reduction, However, It is limited to this structure. For example, a material composed of only a single metal, a material composed only of a synthetic resin, or a material composed of a single wood or a composite of wood and metal or synthetic resin is also used as the material of the axle 5.

However, the device 1 of the present invention is not limited to such a structure. For example, as shown in FIG. 13, the support frame 12 is opposed to the discharge port 4 with the comb-like horizontal plate 30 extending in a bowl shape above the impeller 7 and the support frame 12 with the impeller 7 interposed therebetween. it is also possible to provide a comb-shaped vertical plate 31 provided et the like. As shown in FIG. 14, the horizontal plate 30 is provided with a plurality of long holes 30c. A screw Th is inserted into the long hole 30c, and the horizontal plate 30 is screwed to the mounting portion 12a. Further, the horizontal plate 30, a long comb teeth 30a are provided at both ends, are arranged equidistant from each other in less comb teeth 30b of two long comb teeth 30a. Thus, the provision of the horizontal plate 30, when used to advance the device 1 of the present invention, when a foreign matter such as pebbles on the powder in such lime is mixed, foreign matter and the support frame 12 Intrusion into the gap between the impeller 7 can be prevented. In addition, when the vertical plate 31 is provided, it is possible to prevent foreign matter from entering the gap between the support frame 12 and the impeller 7 when the apparatus 1 of the present invention is moved backward. Further, as described above, the horizontal plate 30 (same as the vertical plate 31) is threaded through the elongated hole 30c to screw the horizontal plate 30 into the mounting portion 12a. The vertical plate 31 can be finely adjusted up and down, respectively. For this reason, the supply amount of powder can be adjusted.

  However, the attachment position adjusting mechanism is not limited to such a structure. For example, the gap between the horizontal plate 30 and the impeller 7 is adjusted by moving the horizontal plate 30 in the vertical direction by interposing a spacer such as a washer between the horizontal plate 30 and the mounting portion 12a. You can also. The vertical plate 31 can also be moved in the horizontal direction to adjust the gap between the vertical plate 31 and the impeller 7.

13 to 15, the horizontal plate 30 and the vertical plate 31 have been described as examples of the foreign matter biting prevention and powder amount adjusting means. However, the foreign plate biting prevention and / or powder amount adjustment means may be the horizontal plate 30 and The vertical plate 31 is not limited. For example, if the supply efficiency of powder such as lime is not taken into consideration, it is possible to use a net that covers the impeller 7. In addition, when the net | network which covers the impeller 7 is used, the foreign material biting prevention effect and the powder amount adjustment effect can be changed by changing the magnitude | size of the mesh of a net | network suitably.

  The impeller 7 includes a cylindrical body 8 that is coaxially fixed to the axle 5 and a plurality of blades 9 provided on the outer periphery of the cylindrical body 8, and the tips of the plurality of blades 9 are connected to the container 10 from the discharge port 4. It protrudes outside the internal space (see FIG. 5).

  Referring to FIGS. 6, 7, 8, and 9, the plurality of blades 9 includes a plurality of blade rows 9 a, 9 b, and 9 c that are provided on the outer periphery of the cylindrical body 8 so as to be spaced apart from each other. And 9c are each composed of a plurality of blades 9 provided in a circumferential shape.

As shown in FIG. 6, the axial positions of the blade rows 9a, 9b, 9c of the plurality of blade rows 9a, 9b, and 9c and the slits 3a, 3b, and 3c of the plurality of slits 3a, 3b, and 3c. Matches the position of. Thus, adjacent vanes (e.g., vanes 9a and vanes 9b) can be advantageously scraped off caught between the powder.

  Referring to FIGS. 7 and 8, the heights of the blades 9 constituting the blade rows 9a, 9b, 9c of the impeller 7 are the same. That is, the impeller blades 9 shown in FIGS. 7, 8 and 9 all protrude from the slits 3a, 3b and 3c (see FIG. 6) of the discharge port 4 described above. The discharge port 4 (that is, the slit) is preferably provided so as to be located at a predetermined height H from the ground E (for example, 20 mm or more from the ground E) (see FIG. 5). By doing so, there is an advantage that rainwater can be prevented from entering from the discharge port 4 even when a line is drawn in the rain. Further, the number of blades 9 constituting each blade row (for example, 9a) is eight in FIG. 8 and sixteen in FIG. 9, but is not limited to these. Other numbers may be used.

Next, the impeller 7 shown in FIGS. 11 and 12 will be described. FIG. 11 and FIG. 12 show a half structure 8a obtained by cutting the cylindrical body 8 constituting the impeller 7 in the axial direction. Two halved structures 8a are prepared, and the ends A of one halved structure 8a and the ends B of the other halved structure 8a are overlapped with each other (that is, one of the half structures 8a is overlapped). The screw hole 22 on the end A side of the split structure cylindrical body 8a and the screw hole 23 on the end B side of the other split structure 8a are aligned with each other), and are fixed to each other with bolts and nuts. To get. The impeller 7 obtained in this way is high only in the height of one blade 9z among the plurality of blades 9, 9,... Constituting the blade rows 9a, 9b, 9c. Only the blades 9z protrude from the slits 3a, 3b, 3c (see FIG. 6) of the discharge port 4 described above. With such a configuration, the amount of powder emitted from the discharge port 4 can be prevented from becoming excessive, there is the advantage that it is possible to release an appropriate amount of the powder.

  Next, referring to FIGS. 3 and 4, in addition to the wheel 6 that functions as the driving wheel of the apparatus already described, it has a separate wheel 26. In the case of the device 1 shown in FIGS. 3 and 4, an axle 25 is supported on a bearing structure 24 that supports the container 10 and the support frame 12, and wheels 26 are rotatably provided on the axle 25. . Therefore, there exists an advantage that the capacity | capacitance of the container 10 can be expanded. Although the illustrated wheels 26 are two wheels, the number of wheels 26 is not limited to two, and the number of wheels 26 may be one or three or more. Such a configuration is also included in the present invention.

It is a perspective view which shows the apparatus concerning one embodiment of this invention. It is a cross-sectional explanatory drawing of the apparatus of FIG. It is a perspective view which shows the apparatus concerning other embodiment of this invention. FIG. 4 is a cross-sectional explanatory view of the apparatus of FIG. 3. FIG. 4 is an explanatory side sectional view showing a support structure of the apparatus of FIGS. 1 and 3. FIG. 6 is an explanatory top view of the support structure in FIG. 5. It is a perspective view which shows an example of the impeller of the apparatus of FIG. 1 and FIG. It is side surface explanatory drawing of the impeller of FIG. It is side surface explanatory drawing which shows the other example of the impeller of the apparatus of FIG. 1 and FIG. FIG. 4 is a top view illustrating the structure of another example of the impeller of the apparatus of FIGS. 1 and 3. It is side surface explanatory drawing of the impeller of FIG. It is explanatory drawing which shows an example of the cross-sectional structure of an axle. FIG. 6 is an explanatory side sectional view showing a modification of the support structure in FIG. 5. It is a plane explanatory view showing a comb-like plate applied to the support structure of FIG. It is upper surface explanatory drawing which shows the state applied to the support structure of FIG.

DESCRIPTION OF SYMBOLS 1 Apparatus 2 Opening part 3a Slit 3b Slit 3c Slit 4 Release port 5 Axle 6 Wheel 7 Impeller 8 Cylindrical body 9 Blade 9a Blade row 9b Blade row 9c Blade row 10 Container 11 Support structure 12 Support frame 14 Bearing 20 Lid 21 Pin 22 Screw hole 23 Screw hole

Claims (4)

A device for drawing a line on the ground with powder,
The top, the closable opening for filling the powder, the bottom has a discharge port comprising a plurality of slits for discharging the powder, a container for containing the powder,
And wheels kicked set at both ends of an axle passing through the lower portion of the container,
An impeller for discharging the powder from the discharge outlet,
Equipped with a,
The impeller
A cylindrical body fixed coaxially to the axle;
Provided axially spaced from one another on the outer circumference of the cylindrical body, and a plurality of vanes each of which is composed of a plurality of blades,
Have
The axial position of each blade row of the plurality of blade rows matches the position of each slit of the plurality of slits,
Each blade row of the plurality of blade rows includes one high blade that protrudes out of the container from the slit. The apparatus according to claim 1, wherein the discharge port is provided in a side portion of the container . The apparatus according to claim 1, further comprising at least one wheel in addition to the wheel . The apparatus according to claim 1, 2 or 3, further comprising a foreign matter biting prevention and / or powder amount adjusting means that at least partially covers the impeller .

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