TWI223993B - Suction nozzle of vacuum cleaner used on floor - Google Patents

Abstract

The present invention provides a suction nozzle of a vacuum cleaner used on floor enhancing a dust collecting effect by blowing intake air of a turbine on a floor surface. When cleaning is performed by operating a vacuum cleaner, air flows from an air intake port 12 to the turbine 9 to rotate the turbine 9. A rotary brush 7 rotates by synchronizing with the rotational force. At the same time, intake air rotating the turbine 9 becomes air flow 16, is led to an intake air flow passage 11 including a turbine chamber formed by the rotary brush 7 and a partition wall 10 between the turbine 9 and a front surface of the rotary brush 7 and is blown from a plurality of intake blowoff ports 15 provided in the vicinity of the floor surface of the partition wall 10 on the front surface of the rotary brush 7 to the floor surface. By blowing air to the floor surface of a suction port 6, dust on the floor surface and a carpet is flung up, and air is passed through a bent joint 4 and is sucked into a cleaner main body together with dust scraped up by a blade 13 of the rotary brush 7.

Description

1223993 V. Description of the invention (1) -------- [Technical field to which the invention belongs] The present invention relates to an air suction head for a floor of an electric vacuum cleaner. [Known technology] The floor suction head for electric and dust collectors is a turbine with a rotating brush and a driving brush for effectively removing both hard floors and carpet floor suction heads. By. The above-mentioned suction head for flooring is formed by a partition wall in a body moving on the surface to separate the suction wind path forming the dust collecting part connected to the electric vacuum cleaner and the brush chamber opened to the ground, and is accommodated in the suction wind path. The turbine also utilizes the turbine to drive the rotating brush of the brush chamber through the driving member. [Problems to be Solved by the Invention] ^ The conventional suction head for floor is not separated between the suction flow path of the turbine and the rotating brush, so the suction of the turbine used to drive the rotating brush is only used for the floor. The suction wind path in the central part of the suction head flows, and the above suction is not sprayed out of the ground for effective use. Therefore, an object of the present invention is to provide a floor suction head of an electric vacuum cleaner which makes the suction of a turbine blow out of the ground to improve the dust collection effect. [Segment to solve the problem] Chuan M bit the ground, "~~ liter, %% of the first scope of the patent scope of the electric vacuum cleaner floor suction head, including the floor suction head and A rotary brush supported on a shaft in a freely rotatable manner, and a thirsty turbine equipped with a rotary pump of the rotary brush, wherein the suction port is formed at the same time as the suction port is formed on the outside of the floor suction head facing the upper turbine, and Is the air drawn from the suction port through the turbine?丨 Air flow to the ground ^

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1223993 V. Description of the invention (2) Path 'causes the air flowing in the air flow path to merge with the air sucked from the suction inlet of the rotary brush. The floor suction head 'of the electric vacuum cleaner according to item 2 of the present invention includes a rotary brush provided in the floor suction head and rotatably supported on a shaft, and the rotation brush The turbine of the rotating shaft of the brush 'wherein the suction port is formed outside the suction head for the floor facing the turbine, and a partition wall is provided between the rotating brush and the turbine', and the suction port is formed from the suction port. The sucked air is guided to the air flow path on the ground via the turbine, and the air flowing in the air flow path merges with the air sucked from the suction inlet of the rotary brush. The floor suction head 'of the electric vacuum cleaner according to claim 3 of the present invention includes a rotating brush provided in the floor suction head and rotatably supported on a shaft, and the rotation brush The turbine of the rotating shaft of the brush, wherein the suction port is formed on the outside of the floor suction head facing the turbine, and the air sucked from the suction port is formed to guide the air to the ground through the thirsty turbine. A flow path, and the air flowing through the air flow path is sucked in through a plurality of suction blowing outlets opened toward the ground through the air flow path provided in the air suction head for the floor, and sucked in through the suction port of the rotary brush Air confluence. The floor suction head 'of the electric vacuum cleaner according to claim 4 of the present invention includes a rotating brush provided in the floor suction head and rotatably supported on a shaft, and the rotation brush Turbine of the rotating shaft of the brush 'Among them, an air inlet is formed on the outside of the floor suction head facing the turbine, and at the same time, an air medium drawn from the air inlet is formed.

1223993

The air flowing in the air path guided by the turbine to the ground is buried by the diameter of the air flow, and the air flow is set in the direction of ±± by the air flow path in the floor suction head. Only the air sucked in by the suction openings of the plurality of rotating brushes opened toward the ground merges. The milkman's exit follows the above: The rolling head for the floor of the electric vacuum cleaner No. 5 in the scope of patent application issued by Fayue is the above-mentioned turbine heel and inlet in the above patent application scope No. 1 to No. 4 are installed on the floor It consists of two ends in the suction head. As a result, the suction of the turbine used for driving the rotating brush will be introduced into the suction flow path including the turbine chamber formed by the rotating brush and the partition wall between the turbine and the front of the rotating brush, and then sucked from the plural The air blowing outlet is sprayed to the ground, so the dust on the ground or carpet can be raised, and the raised dust can be sucked into the body of the vacuum cleaner at the same time by the blade of the rotating brush, thereby improving the dust collection effect. [Embodiment of the invention] A suction head for a floor of an electric vacuum cleaner according to the present invention will be described with reference to Figs. 1 to 5. Fig. 1 is a plan view of the floor suction head, Fig. 2 is a plan view of the upper casing removed, and Fig. 3 is a cross-sectional view taken along the line A-A of the floor suction head, and Fig. 4 is a longitudinal section of the center portion. FIG. 5 is a longitudinal sectional view of a turbine unit. In Figs. 1 and 2, the upper surface of the floor suction head is covered with an upper case 1, and the lower case 2 includes a bumper 3 for impact cushioning and a wheel 5 for movement on the front and sides. The hose connector 4 for sending the suction airflow carrying the dust from the suction port 6 out of the cleaner body (not shown) is located at the rear.

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V. Description of the invention (4) A rotating brush 7 is arranged in the suction port 6 and the two wheels are supported on the shaft in a freely rotatable manner by a bearing 8. The inside of the eccentric bearing 8 also has a turbine 9 and rotates with it. Brush 7 connected. On the periphery of the rotating brush 7, a base 13 fitted with a fitting groove having a mating groove connected to the spiral in the long axis direction is provided. ^ On the removable upper and lower covers covering the rotating brush 7 and the turbine 9 there are suction ports 12 facing the turbine. χ, a partition wall (rib) i 0 is provided between the surface of the rotary brush core turbine 9 and the freewheeling brush 7 and contains the suction flow path of the turbine chamber to form a rotation. The lower casing 2 is provided with a guide M 14 for inserting the pinch μ λ into the shape 7 and inserting P m from the suction port 6 to the soft & joint 4 through the two rolling of the rotary brush 7. Fig. 3 shows the suction brush 7 for the floor, the full turbine 9 and the rotating brush: the front face: p = surface view 'Near the rotating ground, a plurality of partition walls 10 are provided to flow through The path u is sprayed out of the floor suction head shown in FIG. Then, it can be clearly seen from the front cross section of the suction air outlet 15 of the second partition wall 10 that the tapered portion (taper).糸 The inhaled air drawn by the longitudinal section air inlet 12 of the turbine part of the fifth figure shown in the direction of ejection toward the ground is changed. * 'Pump' is sucked through the opening in the upper casing 1, and it will spit out. The airflow 16 and the rotating turbine 9 are electrically sucked to the flow path 11 by the above structure. Empty helmet from port 12 to turbine 9: As soon as the dust collector is running, it is cleaned by suction.

M ^ 4 丄 丄, jK The simultaneous rotation of the rotation force will cause the turbine 9 to rotate. It will also rotate above, and by the above rotating brush 7

$ 8 页 1223993 V. Description of the invention (5) The wing part 13 combs the surface to be cleaned, and is carried in the suction air flow from the guide flow path 14 behind the rotary brush 7 and is smoothly sucked through the hose connector 4 Vacuum cleaner body. At the same time, the rotating suction of the turbine 9 is turned into an air flow 6 and the air flow path including the turbine chamber formed by the rotating brush 7 and the partition wall 10 between the turbine 9 and the front face of the rotating brush 7 is introduced. Then, three suction outlets 丨 5 provided near the ground of the partition wall 10 in front of the rotating brush are sprayed to the ground. At this time, since the front end of the suction blow outlet 5 is tapered toward the ground, the blowing effect toward the ground will be improved. By blowing air toward the ground of the suction opening 6, dust on the ground or carpet can be raised, and the dust combed by the wings of the rotary brush 7 丨 3 is carried on the guide from the rear of the rotary brush 7. The suction air flowing in the flow path 14 is sucked into the cleaner body through the hose connector 4. Although the above-mentioned embodiment is provided with the above-mentioned turbomachine and the suction port at both ends in the floor suction head, it is not intended to limit the present invention, and may be provided only at one end in the floor suction head. In addition, the number of the intake air outlets 5 is not limited to three, and may be any appropriate number of one or more. [Effects of the Invention] As described above, the floor suction head of the electric vacuum cleaner of the present invention introduces the suction of the turbine used to drive the rotary brush into the partition wall between the rotary brush and the turbine and the front face of the rotary brush. In the formed suction flow path including the turbine room, it is sprayed to the ground from the multiple suction blowout outlets, so the dust on the ground or carpet can be raised, and the blades can be lifted simultaneously by rotating the wings of the brush. The dust is sucked into the body of the vacuum cleaner, so it can be lifted.

1223993 V. Description of the invention (6) High dust collection effect. In addition, by making the front end of the suction blow-out port 15 discharge toward the ground in a tapered shape, the discharge effect toward the ground can be improved. [Brief description of the drawings] Fig. 1 is a plan view showing a floor suction head of the electric vacuum cleaner of the present invention. Fig. 2 is a plan view showing the upper casing of the suction head for flooring. Fig. 3 is a cross-sectional view taken along line a-A of the floor suction head. Fig. 4 is a longitudinal sectional view showing a central portion of a floor suction head. Fig. 5 is a longitudinal view showing a turbine section of a floor suction head body. [Symbol description] 2 to the lower case, 4 to the bent hose connector, 6 to the suction port, 8 to the bearing, 10 to the partition wall (rib), '1 2 to the suction port, 1 4 to guide the flow path, 16 ~ air flow 1 ~ upper casing, 3 ~ collision protection, 5 ~ wheels, 7 ~ rotating brush, 9 ~ turbine, 11 ~ suction flow path 13 ~ wing, 15 ~ suction blower outlet,

Claims (1)

1223993 6. Scope of patent application 1. A floor suction head for an electric vacuum cleaner, which includes a suction head for a plate and is supported on a shaft in a freely rotatable manner, and a rotary brush is provided on the shaft. Turbine with a rotating shaft, in which the air suction port facing the above-mentioned floor suction head of the turbine ^ forms an air inlet, and forms the air flow path on the ground through the turbine through the air sucked from the air inlet. And make the air flowing in the empty flow path follow the air sucked from the suction inlet of the rotary brush. ≫ 2 · The suction head for a floor of an electric vacuum cleaner according to item 丨 of the patent application scope, wherein a partition wall is provided between the rotary brush and the turbine. 3 · As for the place of the electric vacuum cleaner described in item 丨 or 2 of the scope of patent application, the suction head is used, and the air flow path in the floor suction head is provided with a suction blower which is open to the ground. Export. 4. The suction head for a floor of an electric vacuum cleaner as described in item 3 of the scope of the patent application, wherein the above-mentioned suction blowing outlets are provided in a plurality of places. Guang 5 · The floor and air head of the electric vacuum cleaner as described in item 1 of the scope of the patent application, wherein the turbine and the suction port are provided at both ends of the floor air suction head. 7063-4320-pf.ptd Page 11