KR20090071295A - A playground line indicator - Google Patents

Abstract

A lime powder discharge device of the line indicator is provided, which discharges a lump of lime in the state of being shattered in the powdered form. A lime powder discharge device of the line indicator comprises: a lime powder reservoir(10) storing the lime powder; a case(22) which is installed at the bottom of the lime powder reservoir and opens the upper end through the state that the inside is vacant; a plurality of fixed lugs(26) protruded to one side upper end of the case in the state of maintaining the constant interval; a pair of front wheels(33) which are installed in the state of passing through the case and are combined with both end parts; a shaft(32) rotating by the drive of the front wheel; a tube(34) which rotates with the shaft while being combined with the external diameter of the shaft; a plurality of rotation projections(36) shattering the lime powder supplied to the case; and a discharge outlet(30).

Description

Ash discharge device of playground line indicator. {A PLAYGROUND LINE INDICATOR}

The present invention relates to a playground line indicator, and more particularly, to a ash discharge device of the playground line indicator to be discharged to the outside in the form of pulverized ash in the form of agglomerate in the ash reservoir.

As is well known, various ball games or athletics, such as soccer, basketball or baseball, which form a line of a standard necessary to mark the boundary required for a game, and are conventionally equipped with a large number of facilities and facilities. Except for most cases, ash has been used to mark lines as needed.

Thus, in order to display the line of the predetermined standard on the playground, a certain amount of ash was added to a separate playground line display device, and then the line of the required standard was displayed by discharging the ash while moving the display device along the playground line.

On the other hand, the above playground line display device is registered utility model registration No. 20-0342339 (playground line indicator) filed by the inventor as of November 17, 2003 and registration number filed by November 12, 2004. Particularly disclosed in US 20-0375999 (Playground Line Indicator).

A conventional line display device including the above-described inventions has a means (also called a brush) for discharging ash to a playground line directly connected to the front wheel by one axis, and the ash is rotated by the driving force of the front wheel. To display the line.

However, the ash stored in the conventional ash storage container is brought into contact with the external moisture after a certain time and is aggregated in the form of agglomeration. As such, when the ash is aggregated, the ash may not be smoothly discharged even if the brush is rotated. have.

Accordingly, an object of the present invention for solving the problems as described above is to grind the ash aggregated in the form of agglomerate in powder form while passing through the fixing protrusions in a state in which the rotating protrusions and the fixing protrusions are engaged with each other. An ash discharge device of a playground line indicator is provided for discharge in a state.

Another object of the present invention is to provide a ash discharge device of a playground line indicator to remove the ash residues remaining in the passage formed between the fixing protrusion and the rotating protrusion to prevent the blockage of the passage.

The present invention for achieving the above object is in the discharge device of the playground line indicator for discharging the ash stored in the ash storage to the floor of the playground, it is installed on the lower end of the ash storage bin and open the top in an empty state The casing, a plurality of fixing protrusions formed to protrude in a state maintaining a predetermined interval on the upper end of the case, and installed in a state penetrating the case and a pair of front wheels are coupled to both ends by the driving of the front wheels A shaft that rotates, coupled to the outer diameter of the shaft and the tube that rotates with the shaft, and is formed to protrude while maintaining a predetermined interval on the outer diameter peripheral surface of the tube and the fixing projections in accordance with the rotation operation of the tube Agglomerated ash, which is fed to the top of the case and passes between them, is powdered. It characterized in that it comprises a plurality of rotating projections to be pulverized and formed in the lower end of the case and a discharge hole for discharging the ash of the powder form passing through the passage formed between the fixing projection and the rotating projection to the floor of the playground.

The outer diameter circumferential surface of the tube has a length greater than that of the rotating protrusion and preferably protrudes ash removing protrusions for removing ash residues remaining in the passage formed between the rotating protrusion and the fixing protrusion.

The ash discharge device of the playground line indicator according to the present invention achieves the following effects.

First, the present invention has an effect that can be discharged in the form of a pulverized ash in the form of agglomeration in the ash storage bin through the fixing protrusions, and the rotating protrusions passing between the fixing protrusions in the form of a lump.

In addition, the present invention has the effect of preventing the clogging phenomenon of the passage by removing the ash residues remaining in the passage formed between the fixed projection and the rotating projection by further forming the ash removal projections protruding to the outer diameter of the tube on which the rotating projections are formed. Has

In addition, the present invention has an effect that can be selectively selected and adjusted according to the international line standard of the width of the line.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 3 are views showing the configuration of the playground line indicator to be implemented in the present invention.

As shown in FIG. 1 to FIG. 3, the playground line indicator 100 of the present invention is divided into a ash storage container 10 and a ash discharge device 20 installed below the ash storage container 10. .

The ash storage container 10 is a place for storing ash, the upper end is configured to open and close with a lid in an open state, and to have a receiving portion 12 that can store ash inside.

The accommodating part 12 is configured to be gradually narrowed from the upper end to the lower end, and is configured to open the lower end of the accommodating part 12 narrowed in such a form so that the passage part 14 is formed.

The passage portion 14 connects the housing portion 12 of the ash storage container 10 and the case 22 of the ash discharge device 20. That is, the ash stored in the receiving portion 12 of the ash storage container 10 is supplied to the case 22 which is the ash discharge device 20 through the passage portion 14.

A pair of rear wheels 16 are provided on the bottom surface of the ash storage container 10, and the rear wheels 16 are coupled to both ends of the shaft 18 to rub against the ground in the process of moving the playground line indicator 100. It is configured to drive rotation at the same time.

On the other hand, the ash discharging device 20 is a means for discharging the ash supplied through the passage portion 14 in the state of being stored in the receiving portion 12 of the ash storage container 10 in the form of a powder form.

The ash discharging device 20 includes a case 22, a shaft 32, and a tube 34.

The case 22 is installed at the lower end of the ash storage container 10 and is configured by opening the upper end 23 in an empty state.

On the upper side of the case 22, a plurality of fixing protrusions 26 are formed to protrude while maintaining a predetermined interval. Between the fixing protrusions 26 passes through the rotating protrusions 36 protruding from the outer diameter of the tube 34 to be described later, in the process of the lumped ash supplied to the top of the case 22 is In the process of passing between the fixing projections 26 and the rotary projections 36 are pulverized into a powder form. On the other hand, the rotating protrusions 36 are preferably manufactured to have a length smaller than the fixing protrusion 26, which is when the rotating protrusion 36 enters between the fixing protrusions 26, To allow a certain amount of passages 28 to be generated between the rotary protrusions 36 so that ashes pulverized in powder form can be introduced into the inner space 24 of the case 22 through the passages 28. to be.

The discharge hole 30 is formed through the bottom of the case 22. The discharge hole 30 passes between the rotating protrusions 36 and the fixing protrusions 26 to be described later, and discharges the ashes pulverized in powder form to the floor of the playground.

The shaft 32 is installed in a state that penetrates the case 22 horizontally, and a pair of front wheels 33 are coupled to both ends to move the playground line indicator 100 to move the front wheels 33 to the ground. Friction and rotational drive is configured to rotate in conjunction with.

The tube 34 is a means coupled to the outer diameter of the shaft 32 to perform a rotational operation with the shaft 32.

The outer diameter circumferential surface of the tube 34 is formed with a plurality of rotating projections 36 protruding while maintaining a predetermined interval. The rotary protrusions 36 pass between the fixing protrusions 26 in accordance with the rotation of the tube 34 while being engaged with the fixing protrusions 26 of the case 22 and move to the upper end of the case 22. The agglomerated ash supplied is pulverized into a powder form. Ashes pulverized in the form of powder according to the operation of the rotary protrusions 36 pass through the passages 28 formed between the fixed protrusions 26 and the rotary protrusions 36, and then into the inner space 24 of the case 22. Inflow.

The ash removal protrusions 38 are further protruded from the outer diameter of the tube 34. The ash removal projections 38 are longer than the rotation projections 36, preferably when entering between the fixing projections 26 in a state of being made to have the same length as the fixing projections 26, the fixed projections 26. Passing through the passage 28 formed between the protrusion 26 and the rotary protrusion 36, the ash residue remaining in the passage 28 is pushed out and dropped into the inner space 24 of the case 22 so that the passage 28 To prevent clogging).

Hereinafter, the operation of the playground line indicator 100 according to the present invention will be described with reference to FIGS. 4 and 5.

First, when the operator grabs and pushes the handle installed in the ash container 10, the line indicator 100 moves along the playground, and the front and rear wheels 34 and 16 are driven to rotate and each shaft ( 18 and 32 are rotated, and at the same time, the ash stored in the agglomerated form in the ash storage container 10 is pulverized in the form of powder through the ash discharging device 20 and the case 22 as the discharging device 20. It is discharged to the floor of the playground through the discharge hole (30) of the) to indicate the line.

Specifically, as shown in FIG. 4, the ash is supplied to the top of the case 22, which is the discharge device 20, and at the same time, the tube 34 is rotated together with the shaft 32 which is rotated by the driving of the front wheel. Rotating protrusions 36 protruding from the outer diameter of the 34 between the fixing protrusions 26 in accordance with the rotation of the tube 34 in engagement with the fixing protrusions 26 of the case 22. Passed through the ash in the form of agglomerate in the form of powder supplied to the top of the case 22.

Subsequently, the ashes pulverized into powder form pass through the passage 28 formed between the fixing protrusion 26 and the rotating protrusion 36, and then are discharged to the floor of the playground through the discharge hole 30 of the case 22. Will be displayed.

On the other hand, the ash pulverized in the form of powder will remain in the passage in the course of passing through the passage 28, at this time, as shown in Figure 5 attached to protrude to the outer diameter of the tube 34 The ash removal protrusions 38 are pushed out of the ash residue remaining in the passage 28 to the inner space 24 of the case 22, thereby preventing the passage 34 from being blocked. have.

On the other hand, Figure 6 is a three-dimensional view showing the configuration of the ash discharge control means installed on the bottom surface of the ash discharge device according to another embodiment of the present invention, Figure 7 is a discharge opening adjustment hole shown in Figure 6 8 and 9 are views showing the operating state of the ash discharge control means, respectively.

6 to 9, the ash discharge control means is mounted on the bottom surface of the ash discharge device 20 to adjust the line width to meet the international line standards ash discharged through the ash discharge device (20). As a means for mounting, it comprises a semi-cylindrical hood 190 and a stepped pyramid cross-sectional shape of the control cover 118 is formed with a stepped outlet control opening 180 is configured.

The semi-cylindrical hood 190 has a straight discharge hole 190A communicating with the discharge hole 30 formed on the bottom surface of the ash discharge device 20.

The adjusting cover 118 is slidably rotated in contact with the cylindrical surface on the outside of the hood 190 by a hinge 130 provided on the same cylindrical shaft as the hood 190.

In addition, the body of the control cover 118 is stepped pyramid outlet through-hole 180 is formed in the stepped pyramid cross-sectional shape.

When the sliding cover rotates in a state in which the adjustment cover 118 and the hood 190 are welded, the straight discharge hole 190A of the hood 190 overlaps with the discharge adjustment hole 180, and the discharge adjustment hole 180 is overlapped. ), The length (that is, the line width) of the straight discharge hole 190A is determined by the stepped shape.

By the way, according to the present invention, the outlet adjustment hole 180 is formed as a stepped through hole stepwise as shown in FIGS. 7 to 9, unlike the prior art method, and thus the adjustment cover 118 within the height (x) of the step difference. When is slid, the selected line width becomes constant.

Therefore, even without a precise level of sliding rotation, the desired line width is alternatively selected according to the width of the preformed step, thereby reducing the user's line width selection effort.

In addition, the playground line indicator 100 is constrained by the adjusting screw 145 and the adjusting hole 155 formed in the body of the adjusting stick 150 provided on the guide piece 140 formed on the bottom side of the ash storage container 10. By controlling the sliding movement of the adjustment cover 118, the adjustment cover 118 and the adjustment stick 150 is coupled to the link section 160B, a sliding error is generated.

In detail, the guide piece 140 is formed on the bottom side of the ash storage box 10, the control stick 150 is guided to the body portion and the guide piece 140, one side end of the control cover 118 Linked to) and the other end is provided with a handle, thereby becoming a restraining means of the sliding movement of the adjustment cover 118.

The linear movement of the adjusting stick 150 guided to the guide piece 140 is slid to the hood 190 by the link connection and the co-cylindrical rotation of the adjusting cover 118 and the hood 190. .

The rotation angle of the sliding rotation movement is due to the restriction of the adjustment screw 145 provided in the guide piece 140 and the control through hole 190A formed in the body of the control stick 150, which is the control through hole 190A It can be seen that it is controlled by the formation interval of), according to the present invention is not necessary because the precise adjustment of the formation process of the control through-hole 190A also has the advantage that the manufacturing process becomes very easy.

On the other hand, the stepped adjustment control hole 180 of the adjustment cover 118 is preferably such that the width of the step is the international line standard of various sports.

That is, it is preferable to have a stepped pyramid shape having a step width so as to correspond to the width of each line of a foot ball field, a baseball field, a basketball court, and a tennis court.

For example, as shown in Figures 8 and 9, the narrow width of the outlet adjustment hole is determined by the size of the tennis court and the wide width is defined by the size of the football field the outlet adjustment through hole 180 and the straight discharge hole ( The line width of the tennis standard and the line width of the soccer standard may be alternatively selected according to the connection of 190A).

Figure 1 is an exploded view showing the exploded playground line indicator and ash discharge device according to an embodiment of the present invention.

Figure 2 is a side cross-sectional view showing the assembly structure of the playground line indicator and ash discharge device shown in FIG.

Figure 3 is a front sectional view showing the assembly structure of the playground line indicator and ash discharge device shown in FIG.

Figure 4 is a view showing the operating state of the rotary projection in the ash discharge device according to the present invention.

5 is a view showing the operating state of the ash removal projections in the ash discharge device according to the present invention.

6 is a view showing the ash discharge control means installed in the ash discharge device according to another embodiment of the present invention.

Figure 7 is a view showing the outlet adjustment opening shown in FIG.

8 and 9 are views showing the operating state of the ash discharge control means, respectively.

<Description of the code | symbol about the principal part of drawing>

10: ash container 20: ash discharge device

22: case 26: fixing projection

30: discharge hole 32: shaft

34: tube 36: rotating protrusion

38: ash removal protrusion 100: playground line indicator

Claims (2)

In the discharge device of the playground line indicator for discharging the ash stored in the ash storage container 10 to the floor of the playground, A case 22 installed at a lower end of the ash storage box 10 and configured to open at an upper end in an empty state; A plurality of fixing protrusions 26 formed to protrude in a state where a predetermined interval is maintained at an upper end of one side of the case 22; A shaft 32 installed to penetrate the case 22 and having a pair of front wheels 33 coupled to both ends thereof to rotate by driving of the front wheels 33; A tube (34) coupled to the outer diameter of the shaft (32) and rotating with the shaft (32); Protrudingly formed to maintain a predetermined interval on the outer circumferential surface of the tube 34 and passes between the fixing projections 26 in accordance with the rotation operation of the tube 34 is supplied to the upper end of the case 22 A plurality of rotating protrusions 36 for pulverizing the ash in the form of agglomerate; It is formed at the bottom of the case 22 and comprises a discharge hole 30 for discharging the ash of the powdered form passed through the passage 28 formed between the fixing projections 26 and the rotary projections 36 to the floor of the playground Ash discharge device of the playground line indicator, characterized in that. The method of claim 1, Ash removal to remove ash residues remaining in the passage 28 formed between the rotary protrusion 36 and the fixed protrusion 26 and having a greater length than the rotary protrusion 36 on the outer circumferential surface of the tube 34. Ash discharge device of the playground line indicator, characterized in that the protrusions (38) protruding.

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