CN201701159U - Electric sweeper - Google Patents

Abstract

Provided is an electric cleaner capable of improving the operability of a brake knob for winding a cord into a cord reel. The wheels for walking are freely rotatably supported in the middle part of the front and rear direction of the cleaning machine body with the cord reel built in, and the wheel can be used as a fulcrum to make the cleaning machine body with the front and rear parts of the cleaning machine body It is assumed that the electric sweeper swings in a vertical direction, and the electric sweeper has a main body handle and a stop button. The main body handle has a grip portion extending in the width direction of the cleaner body and a root portion spanning the upper part of the cleaner body from both ends of the grip portion. When viewing the cleaning machine main body from the side, the main body handle is provided at a position directly above the wheels on the cleaning machine main body. A stop button is attached to the handle of the main body so that the stop button can be pushed in by fingers of the hand holding the handle when the cord reel is allowed to rotate.

Description

Electric cleaner

technical field

The utility model relates to an electric cleaning machine with a flexible wire reel built in the main body of the cleaning machine. the

Background technique

Currently, there is known an electric sweeper in which large-diameter wheels for traveling are rotatably supported on both sides in the width direction of the sweeper main body, and a brake knob for winding a cord is provided on the sweeper. The rear upper surface of the main body (for example, refer to Patent Document 1). the

In this electric cleaner 1, the brake button is pressed down by the user's hand, thereby releasing the brake on the rotation of the cord reel built in the cleaner main body, and the cord reel is thereby released. The spool rotates in the winding direction, and the cord pulled out of the main body of the cleaning machine is wound into the cord spool. the

Patent Document 1: Japanese Patent Application Laid-Open No. 10-33415 "Contents of the Invention"

In the electric sweeper described in Patent Document 1, the ground contact portion positioned at the front side of the large-diameter wheel for walking is provided on the lower surface of the sweeper main body, and the non-walking state (stationary) is supported by these ground contact portions and the large-diameter wheel. State) of the cleaning machine main body, and, in this supported state, the rear lower surface of the cleaning machine main body is away from the indoor floor. the

Therefore, as shown in FIG. 1( a ), FIG. 2 , and FIG. 8( b ) of Patent Document 1, when the main body of the sweeper in a stationary state is viewed from the side, the brake button is arranged above the approximate center of the large-diameter wheel. , when the operation of pressing the brake button is carried out, the main body of the cleaning machine takes the large-diameter wheel as a fulcrum, the front part of the main body of the cleaning machine rises and the rear part lowers, and the main body of the cleaning machine swings like a seesaw movement. the

When the cleaning machine main body swings like a seesaw movement, it is difficult and inconvenient to depress the brake button. In order to cope with this inconvenience, the hand that does not operate the brake button keeps pushing the state so that the main body of the sweeper does not swing. At the same time, it is necessary to press the brake button, which is very troublesome. convenient. the

In the prior art as described above, there is a problem that the operability of the brake knob operated to wind the cord into the cord reel is poor. the

Utility model content

In order to solve the above-mentioned problems, the electric cleaning machine of the present invention supports the wheels for traveling freely in the middle part of the front and rear direction of the cleaning machine main body and on both sides of the width direction of the cleaning machine main body, and at the rear of the cleaning machine main body. A cord reel on which a cord is wound is built in, and the main body of the above-mentioned cleaning machine can swing in such a way that the front and rear parts of the main body of the cleaning machine move up and down with the above-mentioned wheel as a fulcrum. The characteristics of this electric cleaning machine are The main body handle is provided on the above-mentioned cleaning machine main body at a position directly above the above-mentioned wheels when viewing the main body from the side, and the main body handle has a hand grip extending in the width direction of the above-mentioned cleaning machine main body, and two The root of the side, the root of the two sides straddles the upper part of the main body of the cleaning machine from the two ends of the handle, and the brake button is installed on the handle of the main body. The finger of the hand of the grip part is used to press the above-mentioned brake button. the

According to the utility model, the brake button used to roll the cord into the cord reel is pressed in with one hand holding the handle of the main body. At this time, since one hand and the brake button The relative position of the wheel is not affected by the swing of the main body of the cleaning machine with the wheel as the fulcrum, so it has the effect of improving the operability of the brake button when the cord is wound into the cord reel. the

Description of drawings

Fig. 1 is a perspective view showing a drum-type electric cleaner according to an embodiment of the present invention. the

Fig. 2 is a perspective view showing a cleaning machine main body included in the electric cleaning machine of Fig. 1 . the

Fig. 3 is a plan view showing a cleaning machine main body included in the electric cleaning machine of Fig. 1 . the

Fig. 4 is a rear view showing a cleaning machine main body included in the electric cleaning machine of Fig. 1 . the

Fig. 5 is a bottom view showing a cleaning machine main body included in the electric cleaning machine of Fig. 1 . the

Fig. 6 is a perspective view showing a relationship between a brake of the cord reel included in the electric cleaner of Fig. 1 and a brake button that releases the braking state of the brake. the

Fig. 7 is a side view showing a state in which a cleaning hose is removed from the main body of the electric cleaner of Fig. 1 . the

Fig. 8 is a side view showing a cleaning machine main body of the electric cleaner shown in Fig. 1 in a state where a suction hose is connected to the main body. the

Reference signs:

1 electric cleaner

2 main body of cleaning machine

21 cord reel

22 Reel Holder

23 brake parts

24 soft wire

25 Pivot

26 spring

27 Cord entrance and exit

31 wheels

32 axle

35 main body handle

35a Grip

35b root

41 button through hole

45 brake button

45c push rod

46 clockwork spring

C The central axis of the reel

G The center of gravity of the main body of the sweeper

Detailed ways

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 8 . the

Reference numeral 1 in FIG. 1 denotes an electric cleaner, and this electric cleaner 1 has a cleaner main body 2 and a suction air passage body 3 . the

The suction air passage body 3 that guides the dust on the surface to be cleaned together with the air into the main body 2 of the cleaning machine is formed with a suction hose 5 , an extension pipe 7 and a suction port body 8 . the

The cleaning hose 5 is formed by connecting the connecting pipe part 5b to one end of the flexible (flexible) hose part 5a, and connecting the hose handle part 5c to the end of the hose part 5a. the other end. The connecting pipe portion 5b is detachably inserted into a main body suction port 13, which will be described later, connected to the cleaning machine main body 2. the

The hose grip portion 5c has a pipe portion 5c1 communicating with the hose portion 5a, and a handle 5c2 formed on the outer periphery of the pipe portion 5c1. An operation panel 6 with a plurality of operation buttons is installed on the hand handle 5c2, and by pressing the operation buttons, command signals such as starting or stopping of the electric blower 15 described later, and the strength and weakness of the operation are sent to the cleaning machine through the suction hose 5. An unillustrated control unit inside the main body 2 . the

The extension pipe 7 is formed telescopically by combining the upstream pipe 7a and the downstream pipe 7b, for example. The downstream side pipe 7b is detachably inserted into the pipe part 5c1 connected to the cleaning hose 5. As shown in FIG. The suction port body 8 has a suction port body 8a having a suction opening not shown in the lower surface, and a connection pipe 8b connected to the rear end via a free joint. The connection pipe 8b is detachably inserted into the upstream pipe 7a connected to the extension pipe 7 . the

The cleaning machine main body 2 has a synthetic resin main body case 11 and a synthetic resin case cover 12. The main body case 11 has a dust collection chamber (not shown) opened on the upper side and the front part at the front. 12 is rotatably supported by the said main body case 11, and opens and closes the opening part of a dust collection chamber by this rotation. The case cover 12 has a main body suction port 13 at its front end. The connection pipe part 5b of the suction air passage body 3 is connected to this main body suction port 13, and the inside of the dust collection chamber and the main body suction port 13 are communicated by this connection. the

The dust collecting chamber accommodates a dust separating unit 14 (see FIG. 3 ) that is moved in and out with the case cover 12 opened. The dust separating unit 14 separates the air containing the introduced dust into air and dust, and stores the dust separated from the air. For the dust separation unit 14, for example, a dust bag, a cyclone type dust separation unit, or the like can be used. the

The rear part of the cleaning machine main body 2 is partitioned into a blower chamber and a reel chamber separated from the dust collection chamber. Looking at the cleaning machine main body 2 from the rear side, a spool chamber is provided on the left side, and a blower chamber is provided on the right side of the spool chamber. The blower chamber is formed on the downstream side of the dust collection chamber, and the blower chamber and the dust collection chamber are communicated. The electric blower 15 (see FIG. 3 and FIG. 4 ) is built in the blower chamber so that its suction port faces the front side (in other words, toward the dust collecting chamber). the

A pair of exhaust parts 16 and 17 for discharging air discharged from the electric blower 15 to the outside of the main body casing 11 is provided at the rear end part of the cleaning machine main body 2 . The said exhaust parts 16 and 17 are juxtaposed in the width direction of the cleaner main body 2. As shown in FIG. the

The cord reel 21 is built in the reel chamber of the rear part of the cleaning machine main body 2 (refer FIG. 3 and FIG. 4). As shown in Fig. 3 and Fig. 4, the cord reel 21 is disposed close to the side wall of either the left or right side of the cleaning machine main body 2, preferably on the left side when the cleaning machine main body 2 is viewed from the rear side. In addition, the cord reel 21 is arranged so that the central axis C (see FIGS. 3 and 4 ) serving as the center of rotation thereof coincides with the width direction of the cleaning machine main body 2. Therefore, the cord spool 21 is housed in the spool chamber in a vertically erect posture. the

The cord spool 21 includes a shell-shaped spool holder 22 shown in FIG. 6 , a not-shown spool, a mainspring spring, and a brake member 23 . the

The aforementioned spool (not shown) is arranged inside the spool holder 22 and is supported by the spool holder 22 so as to be rotatable about the aforementioned central axis C. One end of the cord 24 (see FIGS. 1 to 3 ) is connected to the above-mentioned reel, and the cord 24 is wound around the reel. The spring spring (not shown) is provided to bias the spool so that the spool rotates in a direction in which the cord 24 is wound. the

The brake member 23 is provided on the upper portion of the spool holder 22 across the inner and outer sides of the spool holder 22 , and its intermediate portion is pivotally supported by a pivot shaft 25 shown in FIG. 6 so as to be rotatable. The brake member 23 is biased by a spring 26 sandwiched between a brake portion 23 a constituted by one end portion of the brake member 23 and the spool holder 22 . the

The brake part 23a arranged in the spool holder 22 is pressed against the brake wheel part by the force of the spring 26 from the outside of the brake wheel part of the above-mentioned unillustrated spool, thereby preventing Rotation of the above-mentioned unillustrated spool. the

The other end of the cord 24 passes through the cord passing portion 22a of the spool holder 22, and passes through a cord inlet and outlet 27 (see FIG. 4 ) provided at the rear of the cleaning machine main body 2, and a power supply is installed at the front end thereof. Plug 28. The cord inlet/outlet 27 opens near the exhaust portion 16 provided immediately behind the spool chamber. the

A pair of traveling wheels 31 are rotatably supported in the front-back direction intermediate portion of the cleaning machine body 2 , and these wheels 31 are respectively arranged on both sides in the width direction of the cleaning machine body 2 as shown in FIGS. 3 to 5 . Symbol 32 in the figure represents axle. the

The left and right pair of wheels 31 have a diameter equivalent to more than half of the thickness of the cleaning machine main body 2 in the up and down direction, so that they can easily cross the threshold of the floor F (refer to FIGS. 7 and 8 ) in the house as the surface to be cleaned. Wait for the steps. In addition, the wheel 31 is not limited to such a wheel, and a wheel with a smaller diameter may be used. the

As shown in FIGS. 7 and 8 , when the cleaning machine main body 2 is viewed from the side, the rear end of the cleaning machine main body 2 is located behind the rear end of the wheel 31 , and the exhaust parts 16 and 17 are provided there. the

The rear lower surface of the cleaner main body 2 is curved so as to rise toward the rear end, and rear wheels 33 are attached to the curved portion. The front lower surface of the cleaning machine main body 2 in front of the wheel 31 is also curved so as to rise toward the front end, and the front wheel 34 is attached to the curved portion. the

The rear wheels 33 and the front wheels 34 are formed of small-diameter rollers much smaller than the large-diameter wheels 31 as shown in FIGS. The cleaning machine main body 2 can swing with the wheel 31 as a fulcrum, so that its front and rear parts move up and down. the

As mentioned above, the center of gravity G of the sweeper main body 2, which has built-in components such as the electric blower 15, is mounted with exterior components such as the wheels 31, and has a main body handle 35 described later, is always positioned on the vertical line V (refer to FIG. 7, 8 ), the vertical line V passes through the connection point between the wheel 31 and the ground F and the center of gravity of the axle 32 . the

With this setting, the cleaning machine main body 2 in the state where the suction hose 5 is not connected is supported on the ground F by the pair of wheels 31 and the rear wheels 33 in relation to the center of gravity G. At this time, the front wheels 34 As shown in Figure 7, leave the ground F upwards. the

In addition, the cleaning machine main body 2 in a state where the suction hose 5 is connected during cleaning etc. is supported on the floor F by a pair of wheels 31 and a front wheel 34 according to the relationship between the weight of the suction hose 5 and the center of gravity G. , at this time, the rear wheel 33 leaves the ground F upward, as shown in FIG. 8 . In the state of this FIG. 8 , the center of gravity G is located on the rear side of the vertical line V. As shown in FIG. the

As shown in FIGS. 1 to 4 and the like, a main body handle 35 is provided on the upper portion of the cleaner main body 2 . The main body handle 35 is provided in such a way that it is located in the middle part of the front and rear direction of the cleaning machine main body 2, that is, when the cleaning machine main body 2 is viewed from the side, it is located directly above the wheels 31, more preferably, as shown in Fig. 7 and As shown in FIG. 8 , when the cleaning machine main body 2 is viewed from the side, it is located on a straight line S that passes through the center of the axle 32 that pivotally supports the wheels 31 and the center of gravity G of the cleaning machine main body 2 . the

In addition, one end portion of the main body handle 35 is arranged directly above the cord reel 21 when the cleaning machine main body 2 is viewed from the rear as shown in FIG. 4 . the

The main body handle 35 is formed having a grip portion 35a and left and right root portions 35b on both sides, and in the case of the present embodiment, has an arcuate shape as shown in FIG. 4 . A pair of left and right bases 35b serving as both ends of the main body handle 35 are respectively connected to the upper part of the cleaning machine main body 2, whereby the main body handle 35 is provided in such a manner that its grip portion 35a extends in the width direction of the cleaning machine main body 2 . the

Since the main body handle 35 is arcuate, the outer outer wall portion of the root portion 35b (this wall portion is formed at the end of the outer handle member 37 (refer to FIG. 6 ) described later.) is closer to the hand grip portion 35a. The inclination shape of the center side of the width direction of the cleaner main body 2 (refer FIG. 3). the

In addition, the main body handle 35 is not limited to the arc shape, and may be provided in such a manner that the grip portion 35a is a rod shape that does not bend upward, and the outer side wall portion of the root portion 35b is bent at an obtuse angle with respect to the grip portion. the

The main body handle 35 is formed hollow by combining an inner handle member 36 and an outer handle member 37 as shown in FIG. 6 . One root portion 35 b forming one end portion of the main body handle 35 is provided above the cord reel 21 as shown in FIGS. 3 and 4 . the

A button through hole 41 penetrating the one root portion 35b is opened in the outer outer side wall portion. The button through hole 41 is formed as a tapered hole whose diameter becomes smaller as it goes downward. In addition, a guide tube 42 integrally formed at one end of the inner handle member 36 and having an open upper end is arranged inside the one root portion 35b. the

The guide tube 42 has a smaller diameter than the button through hole 41 and faces the button through hole 41 from below. In addition, a convex spring receiving portion 43 positioned inside the guide cylinder 42 is integrally formed with one end portion of the inner handle member 36 . the

A cylindrical guide portion 44 is integrally formed on the rear surface of the upper wall portion of the cleaning machine body 2 to which one end portion of the inner handle member 36 is connected. The cylindrical guide portion 44 communicates with the guide cylinder 42 . The lower end of the cylindrical guide portion 44 is located directly above the other end portion 23 b protruding from the spool holder 22 of the brake member 23 . the

The stopper knob 45 is provided on the one root portion 35b so as to be pushed in from above to below. The stopper knob 45 has a flange portion 45 a , a cylindrical portion 45 b guided along the inner periphery of the guide cylinder 42 , and a push rod 45 c penetrating through the cylindrical guide portion 44 . the

The brake button 45 passes through the outer side wall portion of one root portion 35b and the cylindrical guide portion 44 in the vertical direction, and is sandwiched by the coil spring 46 as an urging body between the back surface of the upper surface portion and the spring receiving portion 43 upward. Apply force. By this urging force, the flange part 45a catches the lower edge of the button through-hole 41 from below, and is positioned so that it may not continue to protrude upward. the

In this positioning state, as shown in FIG. 4, the upper surface of the stopper button 45 is kept at a lower position than the upper surface of the handle portion 35a, and the push rod 45c approaches or approaches from above as shown in FIG. The other end portion 23b of the stopper member 23 is in contact. the

Therefore, when the detent button 45 is depressed against the coil spring 46 , the detent member 23 is rotated counterclockwise in FIG. 6 centering on the pivot 25 against the spring 26 . the

Along with this, the brake part 23a of the brake member 23 is separated from the brake wheel part of the above-mentioned unillustrated spool, the rotation of the winding direction of the spool is allowed, and the spring spring is not shown. The cord 24 is wound on the spool of the cord reel 21 and accommodated in the cleaning machine main body 2 by the spring force. the

In addition, the code|symbol 18 in FIGS. 1-3 has shown the recessed part provided in the front-back direction intermediate part of the cleaner main body 2. The upper surface of the recessed portion 18 is open so that when the user holds the grip portion 35 a, the hand held does not interfere with the upper surface of the cleaner main body 2 . the

When using the electric cleaner 1, the flexible cord 24 is manually pulled out to a required length, and the power plug 28 is inserted and connected to a power socket. At this time, the mainspring spring (not shown) of the cord spool 21 is wound up. However, the brake member 23 is pressed by a spring 26 and held by a brake pulley (not shown) of the cord reel 21 . Therefore, the unillustrated spool of the cord spool 21 is held so as not to rotate in the direction to wind up the cord 24 by the force of the spring spring. the

The operation of pulling out the cord 24 is usually performed with one hand pushing the rear of the cleaner main body 2 . Therefore, no matter whether the dust suction hose 5 of the cleaning machine main body 2 is connected, since the front portion of the cleaning machine main body 2 as shown in Figure 7 rises, and the cleaning machine main body 2 passes through a pair of wheels 31 and rear wheels 33 for three steps. Since it implements in the state supported by a point, the cord 24 can be pulled out without swinging of the cleaning machine main body 2. the

In addition, as shown in FIG. 8, even if the rear portion of the sweeper main body 2 is raised and the sweeper main body 2 is supported at three points by a pair of wheels 31 and front wheels 34, when the user holds the main body handle 35 In this state, when the operation of pulling out the cord 24 is performed, the cord 24 can be pulled out while suppressing the swing of the cleaning machine main body 2 . the

In order to wind the cord 24 around the spool of the cord reel 21 and store it in the cleaning machine main body 2 after cleaning, etc., just hold the main body handle 35 from directly above with one hand, and The thumb of the hand overcomes the coil spring 46 and presses the brake button 45 downward. the

At this time, if the posture of the cleaning machine main body 2 is in the state shown in FIG. 8 , the angle formed by the vertical line V and the straight line S is very small. Therefore, by the force of pressing the brake button 45, the cleaning machine main body 2 is difficult to swing around the wheel 31, and the cleaning machine main body 2 is easily maintained in a stable state, and the operability of the brake button 45 can be improved accordingly. . the

In addition, even if the cleaning machine main body 2 is swung with the wheel 31 as a fulcrum by pressing down the force of the brake button 45, one hand holding the grip portion 35a of the main body handle 35 and the brake button 45 installed on the main body handle 35 The relative position of . the

Therefore, the user can hold the cleaning machine main body 2 by holding the main body handle 35, and perform the push-in operation of the stopper button 45 with one hand. Therefore, the operability of the brake knob 45 can be improved. the

Moreover, in order to prevent the power plug 28 from freely moving in a rampage due to the potential energy of the cord 24 being drawn into the reel, the user generally holds the power cord 24 when the brake on the cord coil 21 is released. Plug 28 side. Therefore, in a state where the user is located on the rear side of the cleaning machine main body 2, the user holds the grip portion 35a of the main body handle 35 from directly above with the right hand. In the state of holding the main body handle 35 in this way, the thumb of the user's right hand is located at a position lower than the grip portion 35a. the

Therefore, the thumb of the user's right hand naturally overlaps the outer wall portion of one root portion 35 b of the main body handle 35 . Accompanying this, the burden on the right hand holding the main body handle 35 will not be increased reluctantly, but the ball of the thumb can be brought into contact with the upper surface of the stop button 45, so that the operation of pressing the stop button 45 can be performed. . As described above, this point can improve the operability of the stopper knob 45 when the cord 24 is wound into the cord reel 21 . the

Claims (2)

1. An electric sweeper, the electric sweeper supports the wheels for traveling freely rotatably at the middle part of the front-rear direction of the sweeper body and on both sides of the width direction of the sweeper body, at the rear of the sweeper body A cord reel on which a cord is wound is built in, and the main body of the above-mentioned cleaning machine can swing in such a way that the front and rear parts of the main body of the cleaning machine move up and down with the above-mentioned wheel as a fulcrum. The characteristics of this electric cleaning machine are is that The main body handle is provided on the above-mentioned cleaning machine main body at a position directly above the above-mentioned wheels when viewing the main body from the side, and the main body handle has a hand grip extending in the width direction of the above-mentioned cleaning machine main body, and The roots, the roots on both sides cross the upper part of the main body of the cleaning machine from the two ends of the handle, A detent button is attached to the handle of the main body, and the detent knob is pushed in by fingers of a hand holding the handle when the cord reel is allowed to rotate. 2. The electric cleaning machine according to claim 1, characterized in that, The cord reel is disposed below one of the bases of the two sides, and the central axis of the cord reel coincides with the width direction of the cleaning machine main body, The outer side wall portion of the one root portion of the main body handle is formed in an inclined shape so as to be closer to the central side in the width direction of the cleaner main body as it gets closer to the grip portion, The stopper knob passes through the outer side wall portion of the one root in the up-down direction, thereby performing a push-in operation from above to below, The upper end of the above-mentioned brake button is located at a position lower than the upper surface of the above-mentioned handle part.

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