JPS6041896Y2 - vacuum cleaner - Google Patents

Description

[Detailed explanation of the idea] This invention relates to a vacuum cleaner.

BACKGROUND ART Recently, there have been vacuum cleaners in which a dust collection bag that has a filtering effect is attached to a dust case, and dirt is collected in the dust collection bag and thrown away as is.

However, the dust collection bag must be put in and taken out by hand, which is a hassle.

In addition, the dust adhering to the inner surface of the dust collection bag and dust case will make your hands dirty, and if you are not careful, the dust will spill out of the dust collection bag, resulting in unsanitary conditions.

This idea was devised in consideration of these points, and the purpose was to create a vacuum cleaner in which the dust collection bag can be thrown away along with the garbage without getting your hands dirty, and the dust collection bag can be easily attached. It is something to do.

This idea involves attaching a dust collection bag mounting frame to the holding part of the dust case, collecting dust in this dust collection bag, and opening the bottom cover to dispose of dust by opening the dust collection bag using a pressing part. Therefore, the dust collection bag can be ejected easily and without getting your hands dirty, and the mounting frame of the dust collection bag is set to a length that projects downward from the opening of the dust case, so that it protrudes forward and downward. By closing the opening with the bottom cover, which has a curved part with a recess on the side, it is also possible to grasp and pull out only a part of the mounting frame of the dust collection bag without touching the inside surface of the dust case with dirt attached. In particular, the structure is such that the dust collection bag can be replaced easily.

An embodiment of this invention will be described based on the drawings.

1 is a cord reel 4 around which an electric blower 2 and a cord 3 are wound.
It is a main body case that has wheels 5 on both sides of the lower part.

Next, a dust case 9 is provided in which a suction port 6 and a dust collection chamber 8 having an open lower surface are formed.

A filter frame 11 that holds a filter 10 is provided in the dust collection chamber 8 .

Further, a dust removing body 14 is provided on the exhaust side partition wall 12 of the dust case 9, and rotates by receiving the rotation of the cord reel 4 via a gear 13. A backing 16 is provided which joins to the partition wall 15 on the suction side of the main body case 1.

A backing 17 is also attached to the opening edge of the dust case 9.

A through hole 18 is formed in the partition wall 15 of the main body case 1, and a through hole 19 is formed in the dust removing body 14 (FIG. 3),
Further, a through hole is also formed in the partition wall 12 of the dust case 9 (not shown).

Thus, a bottom cover 21 to which a turning wheel 20 is attached is provided.

Near one end of the bottom cover 21 on the exhaust side, as shown in FIG. 23, a fulcrum shaft 24, and a locking projection 25 projecting downward from the center.

A U-shaped holding part 26 is formed on both sides of the lower part of the partition wall 12 of the dust case 9 to hold the fulcrum shaft 24 rotatably in a vertical plane and movably back and forth in a horizontal plane.

Further, on the lower suction side of the dust case 9, as shown in FIG.
7 is formed.

Further, a recess 28 having a depth a is formed on the upper surface of the bottom lid 21 and approaches the substantially inside side of the exhaust side of the backing 17.

Thus, the dust case 9 is prevented from moving in the front-rear direction by fitting the locking protrusion 25 of the bottom cover 21 into a fixed locking portion 29 formed at the lower part of the main body case 1. It is connected to the main body case 1 by locking the latch portion 32 of the movable locking body 31 provided near the handle 30 of the main body case 1 into the locking hole 33 of the main body case 1.

A transmitting body 34 that moves up and down along the partition wall 12 of the dust case 9 is provided.

The transmitting body 34 has a pair of left and right legs 35 as shown in FIGS. 3 and 4, and these legs 35 have a slit-like notch 36 through which the hinge piece 22 of the bottom cover 21 enters and exits, and a fulcrum Elongated holes 37 are formed to hold both ends of the shaft 24 rotatably and relatively movable up and down, and at the top of these elongated holes 37 are slopes 3 that slope toward the partition wall 12 as they move upward.
8 is formed.

Furthermore, a rack 39 that meshes with the pinion 23 is formed on the inner surface of these legs 35, as shown in FIG.

On the upper side of the rack 39, a slope 41 is formed which abuts against a slope 40 formed on the outer peripheral portion of the pinion 23 where no teeth are formed and presses the fulcrum shaft 24 toward the partition wall 12 when the pinion 23 comes into contact with the slope 40.

Next, the exhaust side of the handle 30 of the dust case 9 is covered with a plate 42 as shown in FIG.
The upper end thereof and the movable locking body 31 are elastically connected to each other with a compression spring 45 interposed therebetween, so that the two can move together or independently.

Further, an opening button 46 is provided in the internal space 43 so as to be slidable in the left and right directions while being biased in the return direction by a compression spring 47.

As shown in FIGS. 5 to 8, when the movable locking body 31 is locked with the locking hole 33 of the main body case 1, the movable locking body 31 is locked in a recess 48 formed in the upper center of the opening button 46. The lock part 4 is locked by a protrusion that locks the sliding operation of the cover button 46.
9 and a claw 50 are formed.

The opening button 46 also includes a claw 51 that engages with the upper side of the claw 50, and a lock portion 53 that engages with the upper surface of the claw 52 of the transmission body 34 to lock its movement in the opening direction (upward). A pressing portion 56 is formed that comes into contact with and scoops up the claw 54 of the transmitting body 34 when the opening button 46 is pressed.

A dust collection bag 56 made of a paper material having air permeability is provided.

This dust collection bag 56 has a mounting frame 57 made of a hard plate material on its opening edge.
The mounting frame 57 has a connection port connected to the suction port 6.

Further, a donut-shaped sealing member 58 is fixed to the suction port 6 and is airtightly joined to the mounting frame 57.

The mounting frame 57 has a length such that its lower end protrudes downward from the opening lower part.

Therefore, the bottom cover 21 has a boat-bottom cross-sectional shape with its periphery joined to the opening edge of the opening lower and the center concave.

In the front of the bottom cover 21, a bulging portion 21a is formed which protrudes downward and forms a concave portion inward.

Further, on both sides of the dust collection chamber 8, holding portions 59 formed of ribs are slidable and hold both side edges of the mounting frame 57 of the dust collection bag 56 inserted from the open lower side while being pressed toward the suction port 6 side. is formed.

Further, a dust compression plate 60, which is a pressing body that presses the mounting frame 57 of the dust collection bag 56, is provided on the upper part of the dust case 9 so as to be able to move up and down while being urged upward by a spring 61.

Pressing pieces 63 are integrally formed on both sides of the dust compression plate 30 for pressing the upper edges of both sides of the mounting frame 57 while avoiding the extension line of the suction hose 62.

Further, as shown in FIG. 6, an upward receiving portion 65 is formed on the hollow support shaft 64 of the dust compression plate 60.
An actuating rod 67 is provided with a slope 66 for pressing.

The rear part of the operating rod 67 and the opening side 46 are formed with slopes 68 and 69 that connect to each other.

As shown in FIG. 1, this operating rod 67 is urged toward the main body case 1 by a spring 70.

Furthermore, a mounting frame 57 for the dust collection bag 56 is provided on the bottom lid 21.
A receiving portion 71 that supports the suction port 6 from below and a pressing piece 72 that presses the mounting frame 57 against the backing 58 of the suction port 6 are formed.

In such a configuration, the state in which the movable locking body 31 is locked in the locking hole 33 of the main body case 1 is the state in which the movable locking body 31 is shown by the imaginary line in FIG. In this case, the lock portion 49 protrudes into the recess 48 and prevents the lid opening side 46 from sliding.

Push the movable locking body 31 to attach the dust case 9 to the main case 1.
When separated from the movable locking body 31, the movable locking body 31 is raised by the force of the compression spring 45 until its pawl 50 comes into contact with the pawl 51 on the lid-opening side 46 (Fig. 5), and the locking part 49 retreats from the recess 48 and moves to the lid-opening side. Release 46.

The bottom cover 21 is pressed against the backing 17 by the locking part 27, and the gravity of the bottom cover 21 and the turning wheel 20 does not act as a driving force for the opening operation. However, when the opening side 46 is pressed, first, The claws 50 and 51 shown in FIG. 5 come off and the movable locking body 31 is further retracted upward by the force of the compression spring 45, and the locking part 53 releases the transmission body 34.
4 is increased by the force of the compression spring 44 and the pressing force of the pressing portion 55 on the lid opening side 46.

When the amount of pressure reaches T, it means that the transmitting body 34 is in the first position.
This means that the fulcrum shaft 24 has been raised from the position shown in Figure 0A to the position shown in Figure 10, and the fulcrum shaft 24 is controlled by the slope 38 of the elongated hole 37 and moves along the holding part 26 along with the pinion 23 and the bottom cover 21 by the dimension t. Slide.

That is, the free rotation end of the bottom cover 21 is released from the locking part 27.

At this time, the bottom cover 21 is immediately separated from the backing 17 due to the formation of the recess 28 as shown in FIG.
The force required to slide the is small.

This allows the bottom cover 21 to be brought into pressure contact with the backing 17 with a strong force when the cover is closed, thereby improving sealing performance.

In this way, after the bottom cover 21 and the locking part 27 are disengaged, the bottom cover 21 is urged in the opening direction by its own weight and the weight of the turning ring 20, so it cannot rotate about the holding part 26 as a fulcrum. Since the pinion 23 meshes with the rack 39, the bottom cover 21 rotates from the position shown in FIG. 10C to the position shown in FIG. 10D.

In this process, the transmission body 34 moves independently without interlocking with the movable locking body 31.

In this way, the bottom cover 21 is opened by pushing the opening side 46, and at this time, the pressing force of the opening side 46 is transmitted to the operating rod 67 by the connection of the slopes 68 and 69.

The first half of the stroke on the opening side 46 releases the lock of the transmission body 34, but if it is pushed further, the stroke of the operating rod 67 towards the suction port 6 side becomes larger, and the dirt compression plate is closed due to the connection between the slope 66 and the receiving part 65. Push down 60.

Therefore, the mounting frame 5 of the dust collection bag 56 is
7 can be pushed out of the opening lower part from the holding part 59.

That is, the opening operation of the bottom lid 21 and the operation of discharging the dust collection bag 56 can be performed with one touch using the opening side 46.

When you release your hand from the opening side 46 in this open state, the opening side 46 will release the spring 47 until it comes into contact with the rising transmission body 34.
It will be restored by the power of.

Accordingly, the operating rod 67 returns to the rear by the force of the spring 70, and the dust compression plate 60 returns upward.

Therefore, when installing a new dust collection bag 56, the mounting frame 57 is moved to the holding portion 59 without being obstructed by the dust compression plate 60.
It is possible to attach it to.

In particular, since the length of the mounting frame 57 is determined to protrude downward from the opening lower part, the mounting frame 57 can be more easily attached to the holding part 59 without touching the inner surface of the dust case 9. .

Even when the attachment frame 57 is difficult to protrude due to the dust compression plate 60, it can be easily pulled out by hand.

Next, by closing the bottom cover 21, the mounting frame 57 is vertically clamped by the pressing piece 63 and the receiving part 71, and is pressed against the sealing member 58 by the pressing piece 72.

In the lid closing operation, first, the transmission body 34 is lowered by the force of the compression spring 45 that pushes the movable locking body 31 upward.

Therefore, the bottom cover 21 rotates in the closing direction by an operation opposite to the opening operation, joins to the backing 17 of the dust case 9, and then slides forward (leftward in FIG. 1) to the locking portion. 27.

In this state, the movement of the transmission link 34 in the opening direction is locked unless the opening side 46 is pressed, and the downward movement of the transmission body 34 is locked by the joining of the slopes 40 and 41 as shown in FIG. 10a. At this time, the fulcrum shaft 24 is also pushed in the direction in which the overlap amount t between the bottom M21 and the locking portion 27 increases, and the lid is maintained in a securely closed state.

With the dust collection bag 56 set in the dust collection chamber 8 in this manner, the downward movement of the dust compression plate 30 is blocked by the mounting frame 57, and the dust collection bag 56 will not be torn.

Further, since the filter 10 is housed in the dust case 9, cleaning can be performed without setting the dust bag 56 when the dust bag 56 is not at hand.

In this case, the dust is compressed by the internal dust compression plate 60 to improve the dust collection performance.

Since this device is constructed as described above, when disposing of dust, the bottom cover is opened and the dust collection bag is pushed out from the opening of the dust case using the pressing part, so that the dust collection bag can be easily released without getting the hands dirty. In addition, the mounting frame of the dust collection bag is set to a length that protrudes downward from the opening of the dust case, and the opening is secured by the bottom cover, which has a bulging sled portion that protrudes forward and downward and has a concave portion inward. By closing the bottom end of the mounting frame, the lower end of the mounting frame can be made to protrude downward from the opening by using the recessed part of the sled. It is also possible to grasp and pull out a part of the mounting frame of the dust collection bag, which has the effect of making it extremely easy to attach a new dust collection bag when replacing the dust collection bag.

[Brief explanation of the drawing]

The drawings show one embodiment of this invention; Fig. 1 is a partially cutaway side view, and Fig. 2 is a partially cutaway longitudinal side view of the dust case showing the lid open state for attaching and removing the dust collection bag. Figure, 3rd
The figure is a rear view of the dust case, Figure 4 is a partial exploded perspective view showing the relationship between the back of the dust case, the bottom cover, and the transmission body, and Figure 5 is a partial exploded perspective view showing the relationship between the movable locking body, the open lid side, and the transmission body. 6 is an exploded perspective view of the movable locking body, the lid opening side, and the dust compression plate, and FIG. 7 is a plan view showing the relationship between the lid opening side and the operating rod. , Fig. 8 is a vertical cross-sectional side view showing an enlarged view of the relationship between the movable locking body, the lid opening side, and the main body case, and Fig. 9 is a partial horizontal cross-section showing the connection relationship between the suction port and the dust collection bag. Figure, 10th
The figure is an enlarged longitudinal sectional side view of the main parts showing the opening/closing operation of the bottom cover. 6... Suction port, 7... Opening, 9...
...Dust case, 21...Bottom cover, 21a.
... Sled part, 56 ... Dust collection bag, 57 ...
...Mounting frame, 59...Holding part, 60...
... Garbage compression plate (pressing part).

Claims (1)

[Scope of utility model registration request] A dust case having a suction port and an opening for discarding dust is provided on the bottom surface, and a mounting frame connected to the suction port is fixed to the opening edge of a dust collection bag stored in this dust case, and the dust case is The case is provided with a holding part that holds the mounting frame so as to be freely put in and taken out from the opening, and a pressing part that pushes the mounting frame downward, and which is joined to the opening edge of the opening, projects forward and downward, and has a recessed part inward. A bottom cover having a bulging sled portion is attached so as to be openable and closable, and the length of the mounting frame is set such that the lower end of the mounting frame extends toward the recessed portion of the sled portion and projects downward from the opening. A vacuum cleaner characterized by being set to.