JPH0128764Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a dust removal device for a vacuum cleaner equipped with a dust collection device formed by holding a wave-shaped filter medium with a support frame. .

[Prior Art] Generally, a dust collector for a vacuum cleaner has a wave-shaped filter medium held by a support frame, and the dust collector is arranged in a dust collection chamber inside the main body case. .

Conventionally, there are three types of dust removal devices for removing dust from such dust collectors, as shown in FIGS. 21 to 23. As shown in FIG. 21, in the first one, an arm 12a is pivotally supported at the center of one end of the support frame 9a, and the tip of the arm 12a has a vibrating body that comes into contact with a filter medium 8a formed in a wave shape. 16a is fixed. With such a configuration, when the arm 12a is rotated like a pendulum of a clock, the vibrating body 16a comes into contact with the filter medium 8a and is configured to vibrate it and remove dust. It is in the form of

The second one, as shown in FIG. 22, has a guide part 10b installed in the center of the support frame 9b, and a support with a vibrating body 16b protruding from an opening 13b formed in the guide part 10b. The portion 11b is slidably engaged in a direction that traverses the corrugations of the filter medium 8b. With such a configuration, when the support portion 11b is slid in the left-right direction along the opening 13b,
The vibrating body 16b is configured to come into contact with the filter medium 8b and vibrate it to remove dust.

In the third one, as shown in FIG. 23, a guide part 10c is mounted in the center of the support frame 9c, and a vibrating body 1 is mounted in the center of the guide part 10c.
A ring-shaped support portion 11c to which 6c is fixed is rotatably attached. With such a configuration, when the support portion 12c is rotated, the vibrating body 16c comes into contact with the filter medium 8c, vibrates it, and removes dust.

[Problems to be solved by the invention] In both types, the vibrating bodies 16a to 16c
The range in which the filters come into contact with the filter media 8a to 8c is narrow, and the 21st
The dust removal effect was only effective in the range shown by the dotted line in Figures 23 to 23, and it was not possible to sufficiently remove dust from the filter media 8a to 8c.

[Means for solving the problem] This invention is equipped with a dust collector in which a wave-shaped filter medium is held by a support frame, and the wave-shaped filter medium is attached to the support frame of the dust collector at a position on the side of the electric blower. A guide part having an opening in a direction transverse to the guide part is installed, and one end has a supporting part that is slidably engaged with the opening of the guide part and is rotatably supported, and the other end is provided with a supporting part that is rotatably supported. By providing a dust removing device in which an arm having a vibrating body that contacts the filter medium is attached to the dust collecting device, dust can be removed over the entire surface of the filter medium.

[Operation] When the support part is slid in the left and right direction along the opening of the guide part and the arm is rotated like a pendulum of a clock, the vibrating body protruding from the tip of the arm moves from the support part. As the arm moves in the left-right direction, it can slide freely in the direction across the waveform of the filter medium, and the arm also rotates using the support as a fulcrum, increasing the area in which the vibrating body contacts the filter medium. is,
Vibration can be applied to almost the entire area of the filter medium.

[Example] [Example 1] A first example of this invention will be described in detail based on FIGS. 1 to 6.

FIG. 1 shows a sectional view of the main parts of a vacuum cleaner. Reference numeral 1 denotes a main body case of the vacuum cleaner, and an electric blower 2 is housed inside. 3 is a dust collection case,
The inside is a dust collection chamber 4, which is detachably attached to the main body case 1 with a clamp 5. At the rear of the dust collection chamber 4, that is, on the side of the electric blower 2, a dust collection device 6 is detachably installed in the dust collection case 3 via a packing 7.

As shown in FIG. 2, the dust collector 6 includes a wave-shaped filter medium 8 and a support frame 9 that holds the filter medium 8. On the side of the electric blower 2 of the dust collector 6, a dust removing device is provided which includes a guide section 10, a support section 11, and an arm 12.

As shown in FIG. 3, the guide section 10 of the dust removing device is mounted on one end of the support frame 9 of the dust collecting device 6, and has an opening 13 in the center in the longitudinal direction. As shown in FIGS. 4 and 5, in the center of the support part 11, a cylindrical locking part 14 is provided with a claw part 14a at the tip and a collar part 14b protruding from the outer periphery. The claw portion 14a and the collar portion 14
b is slidably engaged with the edge of the opening 13 and is rotatably held.

The arm 12 is integrally connected to the support part 11, and a recess 15 is provided on the electric blower 2 side, and a vibrating body 16 is placed in the recess 15 at the tip of the arm 12. It is protruded in the direction. Therefore, the arm 12 is slidably movable in the left-right direction along the opening 13 by the support portion 11, that is, in the direction that traverses the waveform of the filter medium 8, and the arm 12 is slidably movable along the opening 13, in other words, in a direction that traverses the waveform of the filter medium 8. It is rotatable on the 8th plane.

The vibrating body 16 is formed in a length that can come into contact with the filter medium 8, and as the arm 12 rotates, the tip comes into contact with the filter medium 8 and vibrates it, thereby adhering to the filter medium 8. Configured to remove dust.

17 is a rear wheel, 18 is a caster, 19 is a suction port for connecting a hose (not shown), and 20 and 21 are handles.

Next, the operation will be explained.

In order to remove dust attached to the filter medium 8, the sixth
As shown in the figure, the support part 11 is slid in the left-right direction along the opening 13 of the guide part 10, and the arm 12 is rotated like a pendulum of a clock. Then, the vibrating body 16 protruding from the tip of the arm 12 is slidably moved in a direction that traverses the waveform of the filter medium 8 as the supporting part 11 moves in the left-right direction, and is also engaged. As the arm 12 rotates around the stop 14, arrows A, B,
As shown by C, since the vibrating body 16 moves in an arc shape, the area in which the vibrating body 16 contacts the filter medium 8 is expanded, and vibration can be applied to almost the entire surface of the filter medium 8.
Dust adhering to the filter medium 8 is completely removed.

[Embodiment 2] A second embodiment of this invention will be described in detail based on FIGS. 2 and 7.

In this embodiment, the support part 31 and the arm 32 are formed separately, and the arm 32 and the support part 31 are rotatably connected.

The support portion 31 has an L-shaped side surface, and a step is provided on the surface (on the electric blower 2 side).
The back surface (filter medium 8 side) is recessed to form a recess 35 . Locking portions 34, 34, which are slidably locked to the edges of the guide portion 10, are provided on both vertical edges of the recess 35, and a circular hole 33 is provided in the center. A cylinder 36 is erected around the hole 33.

On the other hand, a pair of locking claws 37, 37 are provided upright at the end of the arm 32. This locking pawl 37 passes through the hole 33 and is locked to the edge of the cylinder 36,
An arm 32 is rotatably connected to the support portion 31. Note that if the locking pawl 37 is formed to protrude from the cylindrical tip, the rotational movement will be smooth. Further, the cylinder 36 is not always necessary, and the hole 3
Alternatively, the locking claw 37 may be locked directly to the edge of the locking member 3.

With such a configuration, the support part 31 is locked by the locking part 34 so as to be movable only along the opening 13 of the guide part 10, that is, in a direction that traverses the waveform of the filter medium 8. At the same time, the locking claw 37 of the arm 32 passes through the hole 33 and is locked to the edge of the cylinder 36, so that the arm 32 can freely rotate around the locking claw 37 as a fulcrum. Therefore, when removing dust, after fixing the support part 31 at an arbitrary position,
When the arm 32 is rotated, the arm 32 engages the locking claw 3.
It is possible to perform stable and smooth rotational movement using 7 as a fulcrum.

[Embodiment 3] A third embodiment of this invention will be described in detail based on FIGS. 8 and 9.

The support portion 41 is formed separately from the arm 42, and both are rotatably connected. Support part 4
1 is formed to have the same structure as described in Example 2, and a protruding piece 43 is provided on one of the left and right edges of the recessed part 35 with a length that allows it to come into contact with the filter medium 8. It is installed protrudingly.

With such a configuration, as shown in FIG. 9, when the support portion 41 is locked to the guide portion 10, the protruding piece 43 is in contact with the filter medium 8. Therefore, when the support part 41 is slid in the left-right direction along the opening 13 of the guide part 10, the protruding piece 43 can come into contact with the filter medium 8 at a location corresponding to the guide part 10 and vibrate it. . Therefore, the protruding piece 43 and the vibrating body 16
Since the filter medium 8 can be vibrated over the entire surface thereof, it is possible to completely remove dust adhering to the filter medium 8, and the structure is simple and can be manufactured at low cost.

[Embodiment 4] A fourth embodiment of this invention will be described in detail based on FIGS. 10 to 12.

In this embodiment, the vibrating body 53 is formed separately from the arm 52 so that the vibrating body 53 can also be moved in the longitudinal direction of the arm 52.

As shown in FIGS. 10 and 12, the arm 52 is
Similar to the structure described in the first embodiment, it is integrally connected to the support portion 51, is slidably engaged with the guide portion 10, and is rotatably supported.

A long groove 54 is provided in the central portion of the arm 52 in the longitudinal direction.

53 is a vibrating body, and the back side (filter medium 8 side) has a first
As shown in FIG. 1, a pair of locking pawls 55, 55 that lock on the edge of the long groove 54 are provided protrudingly, and between the locking pawls 55, 55, the side wall 52 of the arm 52
A projecting piece 56 that is longer than a and has a length that can come into contact with the filter medium 8 is provided.

With such a configuration, as shown in FIG.
It is slidable in a direction that traverses the waveform of the filter medium 8, and is also slidable in a direction along the waveform of the filter medium 8, that is, vertically along the long groove 54. Therefore, by moving the vibrating body 53 along the long groove 54, in other words, it can also be moved in the direction along the waveform of the filter medium 8.
and the support part 51 are sequentially fixed at arbitrary positions,
By rotating the arm 52, the area where the protrusion 56 comes into contact with the filter medium 8 is expanded, and vibration is applied to almost the entire surface of the filter medium 8, thereby completely removing dust attached to the filter medium 8. You can. Furthermore, by sliding the vibrating body 53 in the vertical direction along the long groove 54 and sliding the supporting part 51 sequentially in the left-right direction of the guide part 10, dust can also be removed in the vertical direction of the filter medium 8. I can do it.

[Example 5] The fifth example of this invention is shown in Figures 2 and 13~
This will be explained in detail based on FIG. 14.

In this embodiment, the guide portion 60 is provided with an engaging portion that restricts the sliding movement of the support portion 61.

On both walls in the vertical direction of the opening 13 transparently provided in the guide part 60, there are a plurality of protrusions 63 that restrict sliding of the support part 61 at intervals corresponding to the width of the support part 61 in the left-right direction. It is provided. The height of the convex portion 63 is such that the support portion 61 can pass through when sliding along the opening 13 of the guide portion 60 in the left-right direction, and there is no space between the convex portions 63. A recess 64 to which the support portion 61 is slidably fixed is formed, and constitutes an engaging portion that restricts the sliding movement of the support portion 61.

With this configuration, the support part 61 is moved along the guide part 60, and the arm 62 is moved around the watch with the support part 61 engaged with the recess 64 and fixed, as shown in FIG. By rotating it like a pendulum, the filter medium 8 can be vibrated by the vibrating body 16 provided at the tip of the arm 62. Next, the support portion 61 is sequentially fixed in the recess 64, and the arm 62 is rotated at each position.

In this way, the support part 61 of the arm 62 is slidably fixed by the recess 64 of the guide part 60, so when the arm 62 is rotated, the fulcrum does not move, so stable rotation operation is possible. As a result, the user can easily perform the pendulum motion of the arm 62, and the dust on the filter medium 8 can be sufficiently removed. Moreover, if the recess 63 is provided at an arbitrary location, the movement range of the support part 61 and the rotation range of the arm 62 can be easily regulated.

[Embodiment 6] A sixth embodiment of this invention will be described based on FIGS. 2, 7, and 15 to 17.

In this embodiment, by providing a concave portion 73 and a convex portion 76 in the guide portion 70 and the support portion 71, respectively, the sliding movement of the support portion 71 is prevented on the sliding contact surface between the guide portion 70 and the support portion 71. It is provided with an engaging portion for regulation.

A rail portion 70a is formed on the upper side wall of the opening 13 of the guide portion 70 and has a U-shaped cross section.
As shown in FIG. 6, recesses 73 are provided at arbitrary intervals.

On the other hand, as shown in FIG. 15, a locking portion 74 for slidably locking onto the guide portion 70 is provided at the vertical edge of the support portion 71 that supports the arm 72.
75 extending horizontally and vertically, respectively. The locking portion 74 is locked to the edge of the rail portion 70a in the direction in which the rail portion 70a and the outer wall 71a of the support portion 71 come into pressure contact with each other. The guide portion 70 is slidably secured to the guide portion 70.

A protrusion 76 large enough to engage with the recess 73 of the guide part 70 is provided on the outer wall 71a of the support part 71, and on the back surface (on the filter medium 8 side), as shown in FIG. Locking claw 37 erected on arm 72
is rotatably locked in the hole 33 of the support portion 71.

With this configuration, if the support part 71 is moved in the left-right direction along the opening 13 of the guide part 70, the support part 71 will move along the upper rail of the guide part 70, as shown in FIG. The part 70a is the convex part 76
It moves while being pressed and deformed, and is fixed at the position where the convex part 76 engages with the concave part 73, as shown in FIG. Therefore, since the support portions 71 are fixed in sequence, the rotational movement of the arm 72 is stabilized and the filter medium 8 is stabilized as described in the sixth embodiment.
It is possible to remove dust from the entire surface.

[Example 7] The seventh example of this invention is shown in Fig. 2 and Fig. 18~
This will be explained in detail based on FIG. 20.

In this embodiment, the guide part 80 is provided with a locking hole 83, and the support part 81 is provided with a clamp 84 that locks in the locking hole 83 in a manner that allows sliding contact between the guide part 80 and the support part 81. An engaging portion for restricting sliding of the support portion 81 is provided on the surface.

On the lower side wall of the opening 13 of the guide part 80,
As shown in FIG. 18, a rail portion 80a is provided, and locking holes 83 are provided at arbitrary intervals on the surface of the rail portion 80a. Further, the locking portion 34 of the support portion 81 is inserted into the guide portion 80, and the long groove 80b is slidably locked.
is transparent.

On the other hand, a step is provided on the surface of the support part 81, and this step is formed in a curved shape so that the tip of the arm 82 rotatably abuts.
As shown in FIG. 2, FIG. 19, and FIG.
is provided protrudingly, and the upper locking part 34 is attached to the edge of the opening 13 of the guide part 80, and the lower locking part 3
4 are slidably engaged with the edges of the long grooves 80b of the guide portion 80, and a hole 33 is formed in the center. A cylinder 36 is erected around the hole 33.

Reference numeral 84 denotes a clamp disposed around the cylinder 36, and knobs 85, 85 protruding from the side wall 81a of the support portion 81 in the left-right direction are attached to both ends thereof. are integrally connected. Locking piece 8 of clamp 84
7 is connected via a connecting piece 87a in a direction perpendicular to the knob parts 85, 85, and the tip part is always biased by a spring part 86 in a direction to engage with the locking hole 83 of the guide part 80. and the spring part 8
6, the support part 81 protrudes from the lower side wall 81b toward the guide part 80 in a freely retractable manner.

Reference numeral 43 denotes a protrusion provided on the side wall 81a of the support part 81 similar to that described in Example 3, and is used to abut the filter medium 8 at a location corresponding to the guide part 80 and vibrate it to remove dust. be.

On the other hand, the distal end of the arm 82 is formed in a curved shape corresponding to the stepped portion of the support portion 81, and has locking claws 37, 37 similar to those described in the second embodiment.
This locking pawl 37 passes through the hole 33 and is locked to the edge of the cylinder 36 to rotatably support the arm 82 on the support portion 81.

With this configuration, under normal conditions,
The locking piece 87 of the clamp 84 is locked in the locking hole 83 of the guide portion 80, and the support portion 81 is fixed.

When removing dust, the support part 81 is slid along the opening 13 of the guide part 80 and fixed at an arbitrary position, and the arm 82 is rotated. When the parts 85 are pressed inwardly with fingers, the arc-shaped spring part 86 curves outward in the arc as shown by arrow A, so that the locking piece 87 of the clamp 84 bends as shown by arrow B. As shown, since the spring portion 86 is curved and drawn into the recess 35 of the support portion 81 by the distance that it is drawn in in the direction of arrow A, the locking piece 87 is released from the locking hole 83. Therefore, for use, simply slide the support part 81 along the guide part 80 and release the grip part 85 at the locking hole 83 located at an arbitrary position, and the spring part 86 will return to its original shape, so the clamp 84 The locking piece 87 is locked in the corresponding locking hole 83, and the support part 8
1 is fixed.

Therefore, since the support portion 81 of the arm 82 is securely fixed by the clamp 84, the arm 82
During the pendulum movement, the fulcrum does not move at all, so the rotational movement of the arm 82 is stabilized, and
Dust can be reliably removed over the entire surface of the filter medium 8. When moving the support part 81, the clamp 84 can be released by simply holding the grip part 85 with your fingers.
Since the guide portion 80 can be slidably moved in the left and right direction, operability is good.

[Effects of the invention] This invention has a guide part having an opening in a direction that crosses the corrugated shape of the filter medium, mounted on the support frame of the filter medium at a position on the side of the electric blower, and a guide part that can freely slide into the opening of this guide part. Since the dust collector is equipped with an arm that has a supporting part at one end that is latched to and rotatably supported, and a vibrating body that contacts the filter medium at the other end, the arm can be slid in the left and right direction. Since it can be rotated while rotating, the area where the vibrating body comes into contact with the filter medium becomes larger, and vibration can be applied to the filter medium over almost the entire surface of the filter medium, making the dust removal effect much more effective compared to conventional ones. improves.

Furthermore, since the structure is extremely simple, manufacturing is easy and costs are low.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention, and FIGS. 1 to 6 show a first embodiment of this invention.
The figure is a sectional view of the main part, FIG. 2 is a perspective view showing a state in which a dust removal device is installed in the dust collector 6, FIG. 3 is a perspective view of the main part of FIG. 2, and FIG. Fig. 5 is a sectional view of the main part of Fig. 2, and Fig. 6 is a sectional view of the main part of Fig. 5.
Figure 7 is a rear view of the main parts of the figure, Figure 7 is a perspective view of the main parts showing the second embodiment of this invention, Figures 8 to 9 are the third embodiment of this invention, and Figure 8 is the main parts. FIG. 9 is a rear view of the main part, FIGS. 10 to 12 are the fourth embodiment of this invention, FIG. 10 is a perspective view of the main part, and FIG.
The figures are FIG. 10, a sectional view taken along the line X-X, FIG. 12, a rear view of the main parts, FIGS. 13 to 14, a fifth embodiment of this invention, FIG. 13, a perspective view of the main parts, The figure is a sectional view of the main part, FIGS. 15 to 17 are a sixth embodiment of this invention, FIG. 15 is a perspective view of the main part, and FIGS. 16 to 17 show the sliding state of the support part 71. 18 to 20 show a seventh embodiment of this invention, and FIG. 18 is a perspective view of the main part, and FIG.
FIG. 18 is a sectional view taken along line Y-Y in FIG. 18, FIG. 20 is a perspective view of a main part, and FIGS. 21 to 23 are rear views of main parts showing a conventional example. 6...dust collector, 8...filter material, 9...support frame,
10...Guide part, 11...Support part, 12,3
2, 42, 52, 62, 72...Arm, 13...
...Aperture, 16, 53... Vibrating body.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a vacuum cleaner in which a dust collector equipped with a wave-shaped filter medium and a support frame for holding the filter medium is disposed on the electric blower side in the dust collection chamber. , a guide part having an opening in a direction that crosses the corrugated shape of the filter medium is installed at a position on the electric blower side of the support frame, and is slidably locked to the opening of the guide part, and is rotatable A dust removing device for a vacuum cleaner, characterized in that the dust collecting device is equipped with an arm having a freely supported support part at one end and a vibrating body that contacts the filter medium at the other end. (2) A dust removal device for a vacuum cleaner as set forth in claim 1 of the utility model registration claim, characterized in that a protrusion that comes into contact with a filter medium at a location corresponding to the opening of the guide portion is provided on the support portion of the arm. .