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Suction cleaner

A technology of vacuum cleaners and filters, applied in the directions of vacuum cleaners, cleaning equipment, household appliances, etc., can solve the problems of not being able to cool the motor and circuit board, affecting normal use, and easy to heat the motor and circuit board, so as to prolong the service life and avoid Simple and reasonable structure of overheating and air cooling

Inactive Publication Date: 2010-06-16
沈建明
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AI Technical Summary

Problems solved by technology

Its structural design is unique in many places, but the fly in the ointment is that the fan blade of the motor adopts a simple structure fan blade, which generally can only guide the airflow from the inlet of the cavity to the rear air outlet directly, and cannot affect the motor and the circuit. Therefore, if the vacuum cleaner is used for a long time, the motor and the circuit board are easy to get hot, which affects the normal use, and the design needs to be further improved

Method used

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] As shown in the figure, the horizontal direction described herein is the X-axis, and the vertical direction is the Y-axis, whichever is shown in the figure. This kind of vacuum cleaner includes main components such as a housing 1, a motor 2, fan blades 3, and a filter 4. The front of the housing 1 is a dust collection and separation chamber 5, the rear of the housing is a cavity 6, and the rear of the housing 1 The motor 2 is set in the internal cavity 6 through the motor frame 7, and the output shaft of the motor 2 is equipped with the fan blade 3 that discharges the air flow. The key point of the invention is that the fan blade 3 and the motor 2 are arranged in the longitudinal direction in the cavity. , and the fan blade 3 is at least provided with an oblique blade surface 3a that presses the cavity inlet airflow to the motor itself,...

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Abstract

A suction cleaner comprises a shell, a motor, fan blades and a filter. The suction cleaner is characterized in that the motor is installed in a cavity at the back of the shell; the fan blades for exhausting the airflow are installed on an output shaft of the motor; the fan blades and the motor are longitudinally arranged in the cavity, and the fan blades are at least provided with slant blade surfaces pressing the airflow at the entrance of the cavity toward the motor and also provided with approximately perpendicular blade surfaces which lead the airflow in the cavity out of the air outlet at the back. The suction cleaner has the following advantages: the air cooling structure is simple and reasonable, and the airflow is used for cooling the motor, the circuit board and the batteries in operation to avoid overheat, thus having the protection effect and prolonging the service life.

Description

technical field [0001] The invention relates to a vacuum cleaner. Background technique [0002] With the improvement of consumers' spending power and aesthetic requirements, vacuum cleaners have been widely promoted and applied in work and home situations, and various vacuum cleaners have been designed. [0003] For example, the Chinese patent application No. 200610115460.4 "A hand-held vacuum cleaner comprising a rigid elongated nose piece that can pivot at an angle of at least 135 degrees relative to the main axis. The thin An elongated nose piece is pivotable from a first folded position in which the nose piece is angled side by side and generally parallel to the main axis of the vacuum cleaner to a second extended position, thereby Allowing the vacuum cleaner to be stored in a very compact overall space, in the second extended position the nose piece is only at a small angle or not at all angled to the main axis of the vacuum cleaner, thereby forming an extension. , si...

Claims

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Application Information

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IPC IPC(8): A47L5/12A47L9/00
Inventor 沈建明张林
Owner 沈建明
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