JPH06104097B2 - Vacuum cleaner - Google Patents

Description

Description: (a) Field of industrial application The present invention relates to an electric vacuum cleaner in which a vacuum cleaner body is provided with a connection port for an exhaust hose and a storage case.

(B) Conventional technology In the conventional technology disclosed in Japanese Utility Model Publication No. Sho 48-39580, which precedes the present invention, the exhaust hose is folded and stored, so that the damage is accelerated due to the folding and the compression is not sufficient, so that the storage space is small. Is large, and the exhaust hose is stored in a separate room with respect to the connection port, so that it is disengaged from the connection port in the separate room each time it is used.

(C) Problems to be Solved by the Invention The present invention solves the above-mentioned drawbacks, makes the exhaust hose compact and stores it in a state with little damage, and enhances the operability of use of the exhaust hose.

(D) Means for Solving the Problems The present invention relates to a cleaner main body having a built-in electric blower, which communicates with a discharge side of the electric blower and has an exhaust dispersion port and a connection port arranged side by side, and the cleaner main body. A storage case for covering the exhaust dispersion port and the connection port, an exhaust switching means for selectively shielding the exhaust dispersion port and the connection port, and an opening / closing for closing the opening of the storage case. In conjunction with the exhaust switching means, the connection port is opened when opened and the exhaust dispersion port is opened when closed, and one end is connected to the connection port and stored in a storage case in a wound state. And an exhaust hose that is operated.

(E) Operation According to the present invention, when the lid of the storage case is opened and closed, the exhaust hose connection port and the exhaust dispersion port are selectively shielded in conjunction with this. Therefore, when the lid is opened to use the exhaust hose, the exhaust distribution port is shielded in conjunction with the lid, and the exhaust of the electric blower is concentrated at the connection port of the exhaust hose and discharged from the connection port through the exhaust hose. To be done. Also, when the exhaust hose is stored in the storage case and the lid is closed, the connection port of the exhaust hose is shielded in conjunction with this lid, and the exhaust of the electric blower is dispersed in the storage case of the exhaust hose via the exhaust dispersion port. As a result, the exhaust hose is smoothly discharged from the plurality of exhaust dispersion ports without obstructing the exhaust hose.

(F) Example Next, an example of the present invention will be described.

In FIG. 1 and FIG. 2, (1) is a cleaner body, in which an electric blower (2) is installed, and a suction port (3) to which a suction hose (not shown) is connected is provided at the front part. However, the sucked air is discharged through a dust collection chamber (not shown), the electric blower (2), the exhaust chamber (4), and the like. (5) is a lower case, which has a cord reel portion (not shown) for accommodating the power cord (6). (7) is a dust box cover that cooperates with the lower case (5) to cover the dust collecting chamber, and (8) is an upper case that is connected to the rear side of the dust box cover (7) and has a body handle (9) that can be raised and lowered. A cord reel winding start button (10), a dust collection meter (11), and the like are provided. (12) is a case cover arranged on the upper part of the upper case (8), (13) is a bumper connected to substantially the entire circumference of the cleaner body (1), and (14) is mounted on the left and right sides of the cleaner body (1). The rear wheels, and (15) are the front wheels mounted in the center.

Reference numeral (16) is a connection port for an exhaust hose (17) formed in a substantially central portion of the rear wall of the exhaust chamber (4), and four extension slits in the horizontal direction are arranged in parallel in the vertical direction. (18) is the exhaust chamber (4)
Exhaust vents that were opened laterally on the rear wall of the (19)
Is an exhaust switching means for selectively blocking the connection port (16) and the exhaust dispersion port (18) to switch the exhaust passage as described later.
Reference numeral (20) is a storage case for the exhaust hose (17), which encloses the ventilation distribution port (18) and the connection port (16) and has openings that match with each other. Storage cases (20)
A rotary lid (21) and a plurality of exhaust dispersion holes (22) (23) are provided in the. The rotary lid (21) is provided at a position facing the connection port (16), and when extending the exhaust hose (17), the handle window (24) is held by a hand and pulled to fix the upper end portion. The locking claw (25) is elastically disengaged from the storage case (20) and opened around the rotation fulcrum (26) at the lower end. Exhaust gas dispersion holes (22) and (23) include storage case (20) in addition to rotating lid (21).
Are scattered on both sides of. Reference numeral (27) is a mounting plate for the exhaust hose (17), and the exhaust hose (17) is fitted to the storage case (20) in a state where the exhaust hose (17) is fastened with an elastic ring (28) to the outer periphery thereof. The storage case (20) is provided with a fixed claw (29) for locking the upper end of the mounting plate (27) and a movable claw (30) for locking the lower end. The movable claw (30) has a push-up spring (31).
The lower end of the mounting plate (27) is pressed against and locked by.
The storage case (21) is cleaned at its lower end by being fitted into the mounting projection (32) of the lower case (5) and elastically fitted into the rear part of the upper stand (34) by the projection (33) at the upper end. It is detachable from the machine body (1). (35) is a boss portion integrally formed with the storage case (20), which is opposed to one side surface (36a) of the rotating plate (36) of the exhaust gas switching means (19) and is free to slide the transmission pin (37). Support. Rotating plate (36)
Is supported by a rotation fulcrum (38) at a predetermined position in the exhaust chamber (4) at an intermediate portion, and both side surfaces (36a) (36b) are respectively connected to the exhaust dispersion port (18) and the connection port (16). Is located opposite to. The transmission pin (37) is pushed by the rotary lid body (21) and pushes the rotary plate (36) to close the connection port (16), and the rotary lid body as shown in FIG. (21) is opened so that the contact with the rotary lid (21) is released, and the rotary plate (36) is moved back to the return position where it is pushed back by the pressure spring (39). Has been done.

Thus, the exhaust hose (17) is made of a material that can be flattened and easily rolled up when storing vinyl or the like, and has a tip end portion when storing as shown in FIGS. 4 (a) (b) and 5. It is wound by the winding assist tool (40). The winding assist tool (40) engages with a winding drum (42) having an operation handle (41) at one end and the inner circumference of the winding drum (42) to rotate the winding drum (42). It is composed of a core rod body (43) slidably supported. The core rod body (43) is inserted into the winding drum (42) at its insertion portion (43a), and the flange portion (4
At 4), the insertion distance is regulated by abutting on the other end surface of the winding drum (42), and the gripping portion (43b) supports it by the user.
The winding drum (42) has a notch (45) at the other end thereof, and after winding, the fingers are inserted from the inside of the notch (45) to push and expand the roll-shaped hose (17). A gap is created between the hose (17) and the hose (17) for easy extraction.

In the electric vacuum cleaner, when the exhaust hose (17) is not used, the exhaust hose (17) is wound by the winding assisting tool (40) and then the winding assisting tool (40) is pulled out to form a roll shape. Only the exhaust hose (17) is pushed into the storage case (20) to close the rotating lid (21). Then, the exhaust switching means (19)
, The transmission pin (37) is pushed in, the rotary plate (36) rotates counterclockwise against the pressure spring (39), and the connection port (16)
Shut off. For this reason, the exhaust air of the electric blower (2) is deflected to the exhaust dispersion port (18), avoids the roll-shaped exhaust hose (17), and is smoothly exhausted from the surrounding exhaust dispersion holes (22) (23).

When using the exhaust hose (17), as shown in FIG. 6, the rotary lid (21) is opened and the roll-shaped exhaust hose (17) starts rolling. Then, the exhaust gas switching means (19)
The transmission pin (37) returns and the rotating plate (36) rotates clockwise to block the exhaust gas dispersion port (18). When the electric blower (2) is operated in this state, the exhaust air of the electric blower (2) goes straight and is concentrated on the connection port (16) and blown into the exhaust hose (17), and the exhaust hose (17) is exhausted by the exhaust pressure. It automatically expands and extends almost linearly to the tip, ready for use.

(G) Effect of the Invention As described above, according to the present invention, it is possible to selectively shield the connection port and the exhaust dispersion port of the exhaust hose in conjunction with the opening and closing of the lid of the storage case. There is an effect that operability can be improved.

Further, since the present invention is configured as described above, the connection port of the exhaust hose and the exhaust dispersion port can be selectively shielded in conjunction with the opening and closing of the lid of the storage case, and therefore, for use of the exhaust hose. When the lid is opened, the exhaust air of the electric blower can be concentrated at the exhaust hose connection port and the entire amount can be discharged to the outside through the exhaust hose, and when the lid is closed because the exhaust hose is not used, The exhaust of the electric blower can be changed to the exhaust dispersion port to avoid the exhaust hose in the storage state, and the exhaust can be smoothly discharged from the surrounding exhaust dispersion holes.

Further, when the exhaust hose is used or not used, only one storage case can be used, and the exhaust hose storage chamber and the ventilation chamber are not provided side by side as in the conventional example. Therefore, the cleaner main body can be downsized. At the same time, a large exhaust hose storage room can be secured to store an exhaust hose of sufficient length.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention, in which FIG. 1 is a perspective view, FIG. 2 is a partial longitudinal sectional view, FIG. 3 is a perspective view of a main portion, and FIG. 4 (a). (B) is explanatory drawing at the time of winding of a winding auxiliary tool, at the time of taking out, respectively, FIG. 5 is the sectional view on the AA line in FIG. 4 (a), FIG. 6 is operation | movement in the state which opened the cover body. FIG. (1) …… Vacuum cleaner body, (2) …… Electric blower, (16)
...... Connection port, (17) …… Exhaust hose, (20) …… Storage case, (40) …… Winding auxiliary tool, (41) …… Operating handle, (42) …… Winding drum, (43 ) …… Core rod.

Claims (1)

[Claims] 1. A cleaner body having a built-in electric blower, which has an exhaust dispersion port and a connection port in parallel with each other and communicates with a discharge side of the electric blower; and a cleaner body provided on the cleaner main body and connected to the exhaust dispersion port. A storage case that covers the mouth, an exhaust switching unit that selectively shields the exhaust dispersion port and the connection port, an opening of the storage case that is openably and closably closed, and the exhaust switching unit is interlocked with the opening and closing. A lid that opens the connection port when opening and opens the exhaust dispersion port when closed, and an exhaust hose that has one end connected to the connection port and is housed in the storage case in a wound state. A characteristic vacuum cleaner.