JPS622804B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a vacuum cleaner.

In general, a vacuum cleaner has a main body case in which an electric blower is built in, and a dust collection case in which a filter device is built in, which is removably held in place by a clamp. The filter device is detachably attached to the dust collection case, and is held by friction between the packing attached to the filter frame and the inner circumference of the dust collection case. It's just a thing. Therefore, the filter device may accidentally collect dust due to shock when removing the dust collection case from the main case when disposing of dust, or when transporting the dust collection case alone after removal, or by turning the filter device side downward. It may fall off from the case, and as a result, the dust collected in the dust collection case may be scattered at a place other than the designated dust disposal area.

The present invention was made in view of the above points, and is designed to prevent the filter device from accidentally falling off when the dust collection case is removed or carried.
This aims to provide a vacuum cleaner that can prevent dust from scattering.

The present invention provides a dust collection case in which a filter device is attached to an opening for disposing of dust, and a clamp for removably locking the dust collection case to the main body case with the opening facing the main body case. The clamp is attached to the case, and the clamp normally protrudes into the dust collecting case and engages with an engaging part formed in the packing attached to the filter frame of the filter device, and when disposing of dust, the clamp is operated to engage the engaging part. This feature is characterized in that a protrusion that releases engagement with the mating portion is integrally formed. Therefore, by forming a protrusion on the clamp that engages with and disengages from the packing attached to the filter frame of the filter device, it is possible to prevent the filter device from accidentally falling off and prevent dust from scattering. By providing a protrusion release means, it is possible to prevent erroneous operation.

A first embodiment of the present invention will be described based on FIGS. 1 to 5. First, reference numeral 1 denotes a main body case in which an electric blower 2 is built-in, and a vent hole 3 is formed in the front wall of the main body case 1, and a locking hole 4 is formed in the upper part thereof. A dust collection case 5 is provided on the front side of the main body case 1 and is detachably attached to the main body case 1. The rear part of the dust collecting case 5 is an opening for disposing of dust, and a filter device 8 consisting of a filter 6 and a filter frame 7 is inserted through this opening into a packing 9 attached to the filter frame 7.
and the inner periphery of the dust collection case 5 to be held by friction. In addition, the dust collection case 5
A handle 10 is formed on the upper part of the handle 10, and a clamp 13 is provided on the rear side of the handle 10 and is rotatable about a rotation shaft 11 and biased clockwise by a torsion spring 12. This clamp 13 has a locking piece 14 that engages and disengages from the locking hole 4 to connect and disconnect the main body case 1 and the dust collection case 5.
extends rearward, and a protrusion 15 that protrudes into the dust collection case 5 and engages and disengages with an engaging portion 9a formed on a part of the packing 9 extends downward. .

In such a configuration, if no external force is applied to the clamp 13 while the dust collection case 5 is attached to the main body case 1, this connecting portion is connected to the locking piece 14 of the clamp 13 as shown by the solid line in FIG. is locked in the locking hole 4, so that the dust collection case 5 is prevented from falling off from the main case 1.

When disposing of dust, use the dust collection case 5.
After removing the dust collecting case 5 from the main body case 1, the dust collecting case 5 is carried to a predetermined place, and the filter device 8 is removed to dispose of dust. Therefore, when removing the dust collecting case 5 from the main body case 1, the clamp 13 is pushed and rotated counterclockwise to release the locking piece 14 from the locking hole 4. At this time, the amount of rotation of the clamp 13 is regulated until the locking piece 14 comes into contact with the upper end of the locking hole 4, as shown by the dashed line in FIG. If the dust collection case 5 is moved forward in this state, it will be removed from the main case 1.
At this time, as the clamp 13 rotates, the protrusion 1
Although the dust collection case 5 also rotates, it does not completely disengage from the engaging portion 9a of the packing 9, so the rear part of the filter device 8 is pressed down, and the dust collection case 5 rotates.
Even if there is some impact when removing the filter device 8, the filter device 8 will not fall off from the dust collection case 5.

Next, the removed dust collection case 5 is carried around, but in the removed state, the clamp 13 returns to its original position as shown by the solid line in FIG. 3 due to the urging force of the torsion spring 12, and the protruding part 15 is also in the initial locked state with respect to the engaging portion 9a of the packing 9. This protruding portion 15 and the engaging portion 9a press down a part of the rear surface of the filter device 8 via the packing 9, so that the dust collection case 5
The filter device 8 will not fall off carelessly when being carried around, thereby preventing dust from scattering. And dust collection case 5
When the clamp 13 is pushed in deeply and rotated as shown by the dotted line in FIG. 3, the protruding part 15 will be disengaged from the engaging part 9a of the packing 9, and the filter device 9 can be attached and detached. Therefore,
By removing this filter device 8, dust can be disposed of through the opening of the dust collecting case 5.

Here, if the clamp 13 is kept pressed when the dust collection case 5 is removed from the main case 1, the effect of the protrusion 15 will not be exerted, so as a countermeasure, a protrusion release means is provided as shown in FIG. 1
6 is provided near the clamp 13. That is, this protrusion release means 16
The guide rib 17 formed on a part of the clamp 17 has a flat rib 18 and an inclined rib 19 in contact with each other, and a clamp stopper part 20 having the same length as the flat rib 18 that receives the pressing part of the rotating clamp 13 is connected. The switching plate 22 is provided with a protrusion release button 21 and is biased by a spring 23 so that the guide rib 17 comes into contact with the flat rib 18.

Therefore, if the dust collection case 5 is removed from the main case 1 without pressing the protrusion release button 21, the amount of rotation of the clamp 13 will be restricted until the clamp 13 comes into contact with the clamp stopper 20. ,
The protruding portion 15 will not be released from the engaging portion 9a of the packing 9. This means that even if the clamp 13 is accidentally pressed while carrying the dust collection case 5, the amount of rotation of the clamp 13 is similarly regulated, so the protrusion 15 can be released. Without filter device 8
falling off is prevented. Then, if you press the protrusion release button 21 at the dust disposal place, the guide rib 17
comes into contact with the sloped rib 19 from the flat rib 18 and the clamp 13 rotates, and the clamp stopper 20 moves to a region where the amount of rotation of the clamp 13 is not restricted, so that the protrusion 15 engages with the packing 9. The filter device 8 is released from the part 9a and becomes ready to fall off from the dust collection case 5. Therefore, if the filter device 8 is removed, the dust collection case 5
You can throw away the dust inside. In this way, by providing the protrusion release means 16, the clamp 1
Even if there is an erroneous operation such as continuing to press 3 or pressing the clamp 13 when carrying the device, the protrusion 15 will not be released.
This allows the protrusion 15 to function reliably, and since the protrusion release means 16 is provided near the clamp 13, it is easy to operate.

Next, a second embodiment of the present invention will be described based on FIGS. 6 to 9. The same parts as those shown in the previous embodiment are given the same reference numerals, and the explanation will be omitted. In this embodiment, a vertically movable clamp 24 is provided in place of the rotating clamp 13 in the previous embodiment, and is urged upward by a spring 25. A locking piece 26 that engages and disengages is provided, and a stepped portion 27 with a larger lower portion is formed in the middle. Then, an insertion hole 2 through which this stepped portion 27 can be inserted is provided.
A switching plate 30 is provided with a regulating piece 29 formed thereon and a regulating piece 29 that engages with and disengages from the stepped portion 27 and is biased by a spring 31 so that the regulating piece 29 engages with the stepped portion 27. . This switching plate 30 constitutes a protrusion release means 32.

In such a configuration, when the dust collection case 5 is connected to the main body case 1, the clamp 2
4 is urged upward by the spring 25 and the locking piece 26 is locked in the locking hole 4, so the dust collection case 5 will not come off from the main case 1. At this time, the regulating piece 29 is locked to the stepped portion 27 of the clamp 24.

Therefore, when removing the dust collecting case 5 from the main body case 1, the clamp 24 may be pressed to release the locking piece 26 from the locking hole 4. When the dust collection case 5 is removed or carried, the clamp 24 tries to rise due to the biasing force of the spring 25, but this rise is prevented by the restriction piece 29.
Since the protrusion 15 is restricted until the stepped portion 27 is locked, the protrusion 15 does not separate from the engagement portion 9a of the packing 9, and the filter device 8 is prevented from falling off. Next, press the protrusion release button 2 at the dust disposal area.
1, the clamp 24 is released from the regulating piece 29 and becomes able to slide through the insertion hole 28, so the clamp 24 rises from its initial position due to the biasing force of the spring 25, and the protrusion 15 engages with the packing 9. Separate from section 9a. Therefore, by removing the filter device 8, the dust inside the dust collection case 5 can be thrown away.

In addition, in these embodiments, the dust collection case 5
Although the case having an opening for discarding dust on the rear side has been described, it can also be applied to a type in which the bottom side of the dust collecting case 5 is opened and closed to dispose of dust.

In the present invention, as described above, since the protrusion is formed on the clamp to engage with and disengage from the filter device, it is possible to prevent the filter device from accidentally falling off when disposing of dust when carrying the dust collection case. This makes it possible to prevent dust from scattering in areas other than the designated areas, and since a protrusion release means is provided,
This has the effect of allowing the protrusion to function normally without causing the protrusion to be released due to erroneous operation.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional side view of the main parts in the connected state, Fig. 3 is a longitudinal sectional side view in the detached state, and Fig. 4 is an exploded view. A perspective view, FIG. 5 is a longitudinal side view in a removed state, FIG. 6 is a partially cutaway side view showing a second embodiment of the present invention, and FIG. 7 is a perspective view of a part of the dust collection case. FIG. 8 is a perspective view of the main part, and FIG. 9 is a perspective view when released. 1...Main case, 5...Dust collection case, 8...
Filter device, 9a...engaging portion, 13...clamp, 15...protrusion, 16...protrusion release means, 24...clamp, 32...protrusion release means.

Claims (1)

[Scope of Claims] 1. A dust collection case with a filter device attached to an opening for disposing of dust is provided, and a clamp is provided to removably lock the dust collection case to the main case with the opening facing the main case. The clamp is attached to the dust collection case, and the clamp normally protrudes into the dust collection case and engages with an engaging portion formed in a packing attached to the filter frame of the filter device, and the clamp is operated when disposing of dust. A vacuum cleaner characterized in that a protruding portion that releases engagement with the engaging portion is integrally formed. 2. A dust collection case with a filter device attached to an opening for discarding dust is provided, and a clamp is attached to the dust collection case to removably lock the dust collection case to the main case with the opening facing the main case. This clamp normally protrudes into the dust collecting case and engages with an engaging part formed in a packing attached to the filter frame of the filter device, and when disposing of dust, the clamp is operated to engage the engaging part. a protrusion for disengaging the clamp, and a protrusion for switching the disengagement between the protrusion of the clamp and the engagement part of the packing in the vicinity of the clamp; A vacuum cleaner characterized by being provided with a release means.