JP2013121480A - Floor nozzle for use in vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain stable suction power with a nozzle as a whole even if a floor nozzle for use in a vacuum cleaner is lifted off a floor due to obstacles or the like.SOLUTION: The suction port of the floor nozzle for use in the vacuum cleaner is formed into V-shape having a front side provided with a triangular protrusion, and further the apex of the protrusion is positioned higher relative to the bottom of the suction port so that the suction power can be divided in three. Accordingly, the floor nozzle can be normally used without losing the suction power nearly at both ends of the nozzle even if the nozzle is lifted up due to the obstacles during use.

Description

  The present invention relates to a floor nozzle for an electric vacuum cleaner, and enables stable suction with the entire nozzle even when the nozzle is lifted off the floor.

  Conventionally, floor nozzles for vacuum cleaners are arranged in a right-and-left direction of the suction pipe and are T-shaped, and the suction ports are often in a horizontal straight line. In recent years, floor nozzles for vacuum cleaners equipped with power brushes have become mainstream.

  For example, Japanese Patent Application Laid-Open No. 7-322984 follows the shape of a conventional floor nozzle for a vacuum cleaner. Japanese Patent Laid-Open No. 2007-014370 is equipped with a power brush.

JP 7-322984 A JP 2007-014370 A

  When a general T-shaped floor nozzle for an electric vacuum cleaner is brought into close contact with the floor, the entire nozzle can be sucked, but the suction force at the end portion is weak. In addition, when there are obstacles such as tatami edges, sills, cords, etc., and the tatami mats have to be lifted and used, the suction force at the end of the nozzle is greatly reduced, resulting in a reduction in cleaning efficiency. Even with an electric vacuum cleaner equipped with a power brush, the brush slipped partially by just climbing over the obstacles described above, and the cleaning efficiency was reduced.

  An object of the present invention is to maintain a stable suction force in the entire nozzle even in a situation where the nozzle floats.

  In order to solve this problem, in the present invention, the shape of the suction port of the nozzle is V-shaped, a triangular projection is installed in front of the nozzle, and the apex of the projection is arranged at a position higher than the bottom surface of the suction port. The route was distributed in three.

  According to the present invention, even when the nozzle is lifted by an obstacle, it can be used without losing the suction force at the end. Moreover, even when used in close contact with the floor, the suction force at both ends is increased, and the range of suction is increased, so that the efficiency of cleaning is increased. Further, since the suction port can be arranged on the front surface, the cleaning efficiency with respect to the corner of the floor is increased.

It is the top view which looked at the floor nozzle for vacuum cleaners of this invention from the bottom. 1. It is sectional drawing which looked at the floor nozzle for vacuum cleaners of this invention from the side, and is A-A 'of FIG. 1. It is sectional drawing which looked at the floor nozzle for vacuum cleaners of this invention from the front, and is BB 'of FIG. It is the figure which expanded the suction pipe part of FIG. It is the top view which looked at the floor nozzle for electric vacuum cleaners of the present invention from the front.

  Embodiments of the present invention will be described with reference to the drawings. The suction force is distributed in three by “2, protrusion” in FIGS. First, 8 in FIG. 4 represents the suction force of the lower half of the suction pipe, and the suction force acts on the lower part from “7, the apex of the protrusion” in FIG. 2 by the protrusion, and brings the suction force to the central part of the nozzle. Next, 9 in FIG. 4 is a suction force on the right side of the upper half of the suction pipe, and the suction force acts on the upper part from the top of the protrusion by the protrusion and is carried to the right end part of the nozzle by the groove formed by the protrusion and the nozzle outer shell. Bring suction power. Similarly, the suction force of 10 in FIG. 4 is carried to the left end portion of the nozzle and brings about a suction force.

  Next, in the present invention, as shown in FIG. 1, the suction port can be disposed in front of the nozzle outer shell, and the front surface portion of the nozzle can be made larger than the conventional product. Further, as shown in FIG. 5, both end portions of the suction port on the front surface of the nozzle can be evenly spaced from the central portion. These increase the efficiency of cleaning the corners of the floor.

  Further, the distribution of the suction force can be changed by changing the position of the apex of the protrusion 7 in FIG. 2 up and down.

DESCRIPTION OF SYMBOLS 1 Nozzle outer shell 2 Protrusion 3 Suction port 4 Suction pipe 5 Brush 6 Roller 7 Projection vertex 8 Suction route lower part 9 Suction route upper right side 10 Suction route upper left side

Claims (1)

  By making the suction port into a V shape, providing a triangular projection in front of it, and arranging the apex of the projection at a position higher than the bottom surface of the suction port, the suction route is distributed to three, and stable suction is performed on the entire nozzle. Floor nozzles for vacuum cleaners made possible.

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