JPH0779888A - Upright type electric cleaner - Google Patents

Abstract

PURPOSE:To reduce the number of parts, and improve assembling workability by forming a blower containing case formed by jointing two cases, and positioning a shock absorbing material to be installed on a power-driven blower at their joint part. CONSTITUTION:A connection tube 10 comprising a first and a second cases 11, 12 is connected to a connection part 23 of a cleaner main body. A motor cushion 20 of resilient material is provided around a power-driven blower 17 for absorbing its vibration, and it is positioned at a joint part between the first and the second cases 11, 12 to prevent inflow of outer air to prevent deterioration of suction force. In assembling these, the motor cushion 20 is installed on the power-driven blower 17, the power-driven blower 17 is contained in the second case 12, the first case 11 is installed, and the connection tube 10 is assembled. In this condition, the motor cushion 20 is positioned at the joint part between the first and the second cases 11, 12. As a result, the motor cushion 20 acts as a vibration absorption material for the power-driven blower 17 and a seal member of the joint part between the first and the second cases 11, 12 simultaneously.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upright type vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, as an upright type electric vacuum cleaner, as shown in FIG. 7 and FIG. 8, a fan storage chamber for accommodating an electric blower is constituted by upper and lower cases. In this configuration, in order to prevent the inflow of air from other than the intake port of the blower storage chamber, when configuring the blower storage chamber,
Since the sealing material 103 is adhered to one opening of the upper and lower cases 101 and 102 and the sealing material 103 is sandwiched between the joints of the upper and lower cases 101 and 102, the assembly workability is poor.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above drawbacks, and it is an object of the present invention to provide an upright type electric vacuum cleaner having good assembling workability.

[0004]

According to the present invention, there is provided a suction port body having a suction port, a blower housing case disposed in the suction port body for housing an electric blower, and rotatable with respect to the suction port body. The blower storage case is formed by joining two cases, and a cushioning material attached to the electric blower is located at a joint portion of the blower storage case. Is characterized by.

[0005]

According to the present invention, with the cushioning material attached to the electric blower, the electric blower is stored in one of the blower storage cases, and the other case is attached to assemble the blower storage case. In this state, the cushioning material is located at the joint portion of the two cases, and the reduction of the suction force due to the inflow of air from the joint portion is prevented.

That is, the cushioning material serves both as the vibration absorbing material for the electric blower and as the sealing material for the joint portion of the two cases forming the blower storage case, thereby reducing the number of parts and the blower storage case. A sealing material is provided at the same time as the assembling, and the assembling workability is improved.

[0007]

An embodiment of the present invention will be described in detail below with reference to the drawings.

Reference numeral 1 denotes a suction port main body composed of a lower case 2 and an upper case 3. A suction port 4 is formed on the bottom surface, and a rotary brush 5 is housed in a state of facing the suction port 4. A connection port 6 is formed so as to communicate with the suction port 4, and one end of a bellows hose 7 is connected to the connection port 6.

Numeral 8 is a wheel rotatably arranged on both sides of the suction port body 1, and a rotary shaft 9 of the wheel 8 and a rotary shaft 18 of an electric blower 17 described later are coaxial (line AA). It is arranged on the top.

Reference numeral 10 is a connecting pipe composed of a first case 11 and a second case 12, and a connecting portion 23 of a cleaner body 21 which will be described later.
It is designed to be connected to. 13 is the first case 11
The suction part formed in the dust collecting chamber of the cleaner body 21 described later.
It communicates with 22 and is designed to inhale air. Reference numeral 14 denotes an exhaust portion formed in the second case 12 so that the air flowing in from the suction portion 13 is exhausted via an electric blower 17 described later.

Reference numerals 15 and 16 denote shaft support portions formed on the second and first cases 12 and 11, respectively. By sandwiching the shaft support portions 15 and 16 between the upper and lower cases 3 and 2 of the suction port body 1, Connecting pipe
Reference numeral 10 is rotatably attached to the suction port body 1. The rotation fulcrum of the connecting pipe 10 with respect to the suction port body 1 is set coaxially (line AA) with the rotation shaft 9 of the wheel 8 and the rotation shaft 18 of the electric blower 17 described later.

Reference numeral 17 denotes an electric blower built in the connecting pipe 10. A belt 19 is installed around a rotary shaft 18 of the electric blower 17 and the rotary brush 5, and the rotary brush 5 is rotated by driving the electric blower 17. It is like this. Reference numeral 20 denotes a motor cushion made of an elastic material, which is arranged on the outer periphery of the electric blower 17, and absorbs vibrations when the electric blower 17 is driven, and the motor cushion 20 is provided in the first and second cases 1
Located at the junction of 1 and 12, it prevents the inflow of outside air and prevents the suction force from decreasing.

Reference numeral 21 denotes a dust collecting chamber 22 for accommodating a dust collecting bag (not shown).
In the cleaner body having the above-mentioned structure, the connecting portion 23 is formed in the lower portion of the cleaner body 21.

Reference numeral 24 denotes a dust collecting opening formed in the dust collecting chamber 22, and the other end of the bellows hose 7 is detachably connected to the dust collecting opening 24 so that the suction port body 1 and the dust collecting chamber are 22 is communicated with the suction port body 1, and the dust sucked from the suction port 4 of the suction port body 1 is accumulated in the dust collection chamber 22 through the bellows hose 7. Reference numeral 25 denotes a handle protruding from the upper portion of the cleaner body 21, and 26 denotes an exhaust hole formed at the lower rear portion of the cleaner body 21.

When assembling the suction port body 1,
With the motor cushion 20 attached to the electric blower 17, the electric blower 17 is housed in the second case 12 and
The first case 11 is attached and the connecting pipe 10 is assembled. In this state, the motor cushion 20 is located at the joint between the first and second cases 11 and 12 to prevent the suction force from decreasing due to the inflow of air from the joint.

Then, the connecting pipe 10 is fitted into the lower case 2 of the suction port body 1 and the upper case 3 is attached to assemble the suction port body 1. In this state, the shaft supporting portions 15 and 16 of the connecting pipe 10 are rotatably supported by the upper and lower cases 3 and 2.

With this structure, the motor cushion 20 serves to absorb the vibration of the electric blower 17 and the first and second cases 1.
Since it can double as a sealing material for the joints of 1 and 12,
The number of parts can be reduced and the first case 11
Since the sealing material can be arranged at the same time as assembling the second case 12, the assembling workability can be improved.

When the vacuum cleaner is operated, the electric blower 17
The rotating brush 5 rotates in accordance with the rotation of, and the dust sucked from the suction port 4 of the suction port body 1 is connected to the connection port 6 and the bellows hose 7.
Is accumulated in the dust collection chamber 22 via the. Then, the air filtered by a dust bag (not shown) passes from the lower part of the cleaner body 21 through the intake section 13, the electric blower 17, and the exhaust section 14 of the connecting pipe 10, and is exhausted through the exhaust hole 26.

When cleaning, the handle 25 is grasped and the cleaner is slid back and forth.
Since it is arranged coaxially with the rotation shaft 9 of the suction port main body 1, the center of gravity of the suction port body 1 is a rotation fulcrum which is a point of action of force when the cleaner is slid.
Since the vacuum cleaner can be slid near the (rotary shaft 9 of the wheel 8) with a small force and the electric blower 17 is arranged in the lower part of the vacuum cleaner, the stability of the entire vacuum cleaner can be improved.

Further, the electric blower 17, the rotating shaft 9 of the wheel 8,
Also, since the rotation fulcrum of the suction port body 1 and the cleaner body 21 is arranged on the same axis, the center of gravity of the entire cleaner is always at a substantially constant position even when the cleaner body 21 is rotated. The load on the person's hand is reduced and the operability is improved.

[0021]

According to the present invention, the cushioning material can serve as both the vibration absorbing material of the electric blower and the sealing material of the joint portion of the blower storage case, so that the number of parts can be reduced and the blower storage case can be obtained. Since the sealing material can be arranged at the same time as the assembling, the assembling workability can be improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an upright electric vacuum cleaner showing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a main part of FIG.

FIG. 3 is a sectional view of the same main part.

FIG. 4 is a horizontal sectional view of the suction port body.

FIG. 5 is a front view of the upright electric vacuum cleaner.

FIG. 6 is a rear view of the same.

FIG. 7 is a cross-sectional view of a main part of an upright electric vacuum cleaner showing a conventional example.

FIG. 8 is a sectional view of the same main part.

[Explanation of symbols]

 1 Suction port body 4 Suction port 10 Connection pipe (blower storage case) 11 1st case 12 2nd case 17 Electric blower 20 Motor cushion (cushioning material) 21 Vacuum cleaner body

Claims (1)

[Claims] 1. A suction port main body having a suction port, a blower housing case disposed in the suction port main body for accommodating an electric blower, and a vacuum cleaner rotatably disposed with respect to the suction port main body. An upright electric machine comprising a main body, the blower storage case is formed by joining two cases, and a cushioning material attached to the electric blower is located at a joint portion of the blower storage case. Vacuum cleaner.