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A line marking device and court technology, applied in water skiing, sports accessories, ice skating, etc., can solve the problems of uneven edges, unsightly appearance, and inability of referees to make clear judgments, so as to achieve straight lines, edge outlines, The effect of avoiding disputes
Active Publication Date: 2016-08-31
黎清弟
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Problems solved by technology
[0009] Sometimes the local area is sprayed more, and the paint flows to the low-lying areas, and flows outside the marked area, resulting in unclear outlines
[0010] The lines generated in this way are uneven at the edges, which is very unsightly
[0011] If it is designated as a badminton court, if the shuttlecock falls on the boundary of the transition zone during the game, the standard of whether it is in or out of the boundary is not clear, disputes often arise, and the referee cannot make a clear judgment
Method used
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Embodiment 1
[0062] Embodiment 1: see Figure 1 to Figure 11 .
[0063] A field marking device, comprising a frame 2, a paint bucket 4, a pressure roller 5, a right adhesive tape 81, a left adhesive tape 82, an air shaft 9 and a spray head 300;
[0064] The pressure roller 5 has a cylindrical surface, the center line of the pressure roller 5 is set horizontally, and the two ends pass through the bearing 6 and the frame 2 to form a rotating pair;
[0065] The inflatable shaft 9 comprises a shaft body 93, an air bag 94, an inflation and deflation device 95 and an expansion key 96; the shaft body 93 has a cylindrical surface and is a cavity with a cylindrical cavity 934. Tightening keyway 933, expansion keyway 933 runs through cavity wall, axle body 93 two ends have axle head 935, frame 2 has card groove 23, by locking in axle head 935 card groove 23, make axis body 93 and frame 2 form a revolving pair, there is a certain frictional resistance when rotating with each other; the air bag 94 i...
Embodiment 2
[0087] Example 2: see Figure 12 and Figure 13 .
[0088] The present embodiment comprises reed 600, and facade 22 is arranged on frame 2, and reed 600 and facade 22 form draw-in groove, and shaft head 935 is stuck in the draw-in groove to form revolving pair, and reed 600 has a certain degree to shaft head 935. Clinging force, and produce appropriate frictional force, when pushing this embodiment through push bar 3, left unfolding adhesive tape 821 and right unfolding adhesive tape 811 will also produce appropriate tension force.
[0089] The marking line 100 to be done in this embodiment is relatively wide. If only one nozzle 300 is used, the entire width cannot be filled, so three nozzles 300 are used, arranged along the width direction, to spray the left, middle and right positions respectively.
[0090] The airbag is made of polyurethane.
[0091] Other structures are with embodiment 1.
[0092] The usage process of this embodiment is as follows:
[0093] 1) First, ...
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Abstract
The invention belongs to the technical field of sports facilities and relates to a line drawing device for a ball court. The device comprises a machine frame, a paint bucket, a compression roller, right adhesive tape, left adhesive tape, an inflatable shaft and a spray head. The two ends of the compression roller and the machine frame form a rotating pair. The inflatable shaft comprises a shaft body, an air bag, an inflation and deflation device and an expanding key. The expanding key is in a long strip shape and is located in an expanding key groove and fixedly connected with the outer surface of the air bag. The expanding key extends out of or retracts into the expanding key groove. The inflatable shaft is sleeved with the right adhesive tape and the left adhesive tape. The expanding key extends out of the expanding key groove and supports a right adhesive tape core tube and a left adhesive tape core tube. The paint bucket and the machine frame are fixedly connected. The paint bucket is connected with the spray head through an oil supply pipe. The contour of the line drawn by the line drawing device is quite flat, straight, orderly and attractive, the boundary interior and the boundary exterior have an obvious edge line, no transition area is formed, the drawn line left on the court finally has the quite clear edge, the phenomenon that the line is not uniform in thickness and weight is avoided, and dispute caused by the boundary on the court can be effectively avoided.
Description
technical field [0001] The invention belongs to the technical field of sports equipment, and in particular relates to a field marking device. Background technique [0002] Many sports fields need to be marked on the field, and various marking vehicles are correspondingly supplied on the market. [0003] The marking car that uses at present has two types, and a kind of is to brush paint on the ground by roller or brush, and another kind is to utilize shower head to spray paint on the ground. [0004] For example, the invention patent application with the application number 201110125378.0, the title of the invention is "Roller-Driven Marking Vehicle", which describes an example of brushing paint on the ground with a roller brush. This invention relates to a wheel-driven marking vehicle , suitable for temporary marking in small-scale sports venues such as schools and practice venues. This invention is made up of vehicle bar, handle, left and right two wheels, railway carriage...
Claims
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Application Information
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