JP3256448B2 - Dust bag - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust bag, and more particularly to a dust bag used for a vacuum cleaner.

[0002]

2. Description of the Related Art FIG. 10 is a side sectional view showing the structure of a conventional dust bag. 11A and 11B are diagrams showing a configuration of a mounting plate of a conventional dust collecting bag, wherein FIG. 11A is a plan view and FIG.
It is FF 'sectional drawing of. FIG. 12 is a diagram showing a configuration of a fixing plate of a conventional dust bag, (a) is a plan view,
(B) is GG 'sectional drawing of (a). 13 and 14 are views for explaining a conventional method of assembling a dust bag, FIG. 13 is a sectional view showing a state immediately before the dust bag is assembled, and FIG. 14 is a view immediately after the dust bag is assembled. It is a figure showing the state of.
14A is a front view of the dust bag, FIG.
(B) is HH 'sectional drawing of (a).

A conventional dust collecting bag 31 is used, for example, in a vacuum cleaner, and as shown in FIG. 10, a cloth bag 34 having a collecting opening (dust absorbing hole) on one end side, and Hotei 3
Mounting plate 32 for mounting 4 inside the vacuum cleaner main body
A fixing plate 33 for holding the cloth sack 34 between the mounting plate 32 and fixing; and a rivet 35 for fixing the cloth sack 34 to both the plates 32 and 33 while holding the cloth sack 34 between the mounting plate 32 and the fixing plate 33. .

[0004] As shown in FIG.
A dust-absorbing hole 32a is provided at the center, through which air containing dust passes and guided into the cloth bag 34. A fixing hole 32b is provided around the dust-absorbing hole 32a at a predetermined interval.

As shown in FIG. 12, the fixing plate 33 is provided with a dust-absorbing hole 33a at the center thereof, through which air containing dust passes and guides the dust into the cloth bag 34, similarly to the mounting plate 32. A fixing hole 33b is provided at a predetermined interval around the hole 33a. Dust hole 3 of the fixing plate 33
3a and the fixing holes 33b are provided in the dust collecting holes 3 of the mounting plate 32.
2a and the fixing hole 32b.

Similarly, the cloth bag 34 is provided with a dust suction hole and a fixing hole.

As a method for assembling the dust collecting bag 31, first, as shown in FIG. 13, a mounting plate 32 and a fixing plate 33 are disposed with a cloth bag 34 interposed therebetween, and the fixing holes are overlapped with each other. Then, the rivet 35 is inserted into the fixing hole. Next, as shown in FIG. 14, the cloth sack 34 is fixed to the mounting plate 32 and the fixing plate 3 by caulking the end of the rivet 35.
3 and fixed.

[0008]

However, in the conventional dust collecting bag, as described above, the cloth bag 34 is sandwiched between the mounting plate 32 and the fixing plate 33 and fixed with the rivets 35. Was required, and rivet costs and caulking costs were required, which increased costs.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a dust bag capable of holding a cloth bag between a mounting plate and a fixing plate and fixing the bag at low cost.

[0010]

According to a first aspect of the present invention, there is provided a dust collection bag having a collection opening at one end and a dust collection bag body for collecting dust. A mounting plate for attaching the dust bag body to the cleaner body, and a fixing plate for fixing the dust bag body to the attachment plate; In a dust bag, the circumference of which is bent and sandwiched between the mounting plate and the fixing plate, and wherein the mounting plate and the fixing plate are provided with ventilation holes communicating with the inside of the dust bag main body, An engaging portion is provided on one side, and an engaged portion that engages with the engaging portion is provided on the other side.

Further, the dust bag according to the second aspect of the present invention,
2. The dust bag according to claim 1, wherein the engaging portion comprises an engaging protrusion having a distal end portion formed wider than other portions, and the engaged portion allows the distal end portion of the engaging projection to be inserted therethrough. 3. It comprises an engaged hole provided with a large hole portion and a small hole portion that communicates with the large hole portion and allows only the other portion of the engagement protrusion to be inserted, and the tip portion is inserted into the large hole portion and the other portion is inserted. The engagement projection and the engaged hole are engaged by sliding into a small hole.

Further, in the dust collecting bag according to a third aspect of the present invention, in the dust collecting bag according to the second aspect, a plurality of the engaging projections and the plurality of engaged holes are provided, and A convex portion is provided between the large hole portion and the small hole portion so as to set the interval between the two engaged holes to be slightly larger than the interval between the engaging projections.

In addition, the dust collecting bag according to a fourth aspect of the present invention is the dust collecting bag according to the third aspect, wherein the engaging hole is provided on a side of the engaged hole where the convex portion is provided. A parallel hole that is close to and parallel to the hole is provided.

In addition, the dust collecting bag according to a fifth aspect of the present invention is the dust collecting bag according to the first aspect, wherein one of the mounting plate and the fixing plate sandwiches the main body of the dust collecting bag. An annular minute projection is provided to support the entire circumference of one end of the dust bag body.

According to the above construction, the dust bag according to the first aspect of the present invention is provided with an engaging portion on one of the mounting plate and the fixing plate,
The other side is provided with an engaged portion that engages with the engaging portion. Therefore, by engaging the engaging portion and the engaged portion, the dust collecting bag main body can be moved between the mounting plate and the fixing plate. The rivet for fixing the dust collection bag main body in a state of being sandwiched between the mounting plate and the fixing plate as in the related art is unnecessary, and machining for caulking the rivet is required. Can be eliminated.

The dust bag according to the second aspect of the present invention comprises:
2. The dust bag according to claim 1, wherein the engaging portion comprises an engaging protrusion having a distal end portion formed wider than other portions, and the engaged portion allows the distal end portion of the engaging projection to be inserted therethrough. 3. It comprises an engaged hole provided with a large hole portion and a small hole portion that communicates with the large hole portion and allows only the other portion of the engagement protrusion to be inserted, and the tip portion is inserted into the large hole portion and the other portion is inserted. Since the engaging projection and the engaged hole are engaged by sliding into the small hole, for example, compared with the case where the distal end made of an elastic body is inserted into the small hole from the distal end and engaged. Accordingly, it is possible to reliably prevent the engagement projection from being damaged when the engagement projection is engaged with the engaged hole.

Further, the dust collecting bag according to a third aspect of the present invention is the dust collecting bag according to the second aspect, wherein a plurality of the engaging projections and the plurality of engaged holes are provided, respectively. Since the convex portion is provided between the large hole portion and the small hole portion to set the distance between the two engaged holes to be slightly larger than the distance between the engaging protrusions, so long as no force is applied after the engagement. The other part of the engagement protrusion can be held in the small hole by the projection, and the other part of the engagement protrusion is moved from the small hole to the large hole only when a force is applied. Can be.

In addition, in the dust collecting bag according to a fourth aspect of the present invention, in the dust collecting bag according to the third aspect, the dust collecting bag is provided on the side of the engaged hole where the convex portion is provided. Since the parallel holes are provided close to and parallel to each other, when the engaging projections and the engaged holes are engaged, the convex portions are elastically deformed and the convex portions are distorted toward the parallel holes. And the force at the time of engagement can be reduced.

In addition, the dust collecting bag according to claim 5 of the present invention is the dust collecting bag according to claim 1, wherein one of the mounting plate and the fixing plate holds the dust collecting bag main body. Since the configuration is provided with an annular minute projection that supports the entire periphery of the one end side end of the dust bag main body, when the dust bag body is sandwiched between the mounting plate and the fixing plate, the minute projection is It is possible to surely prevent a gap from being formed between the mounting plate and the fixing plate by digging into the dust collecting bag main body.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A dust bag according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a side sectional view of a vacuum cleaner using a dust bag according to an embodiment of the present invention.

As shown in the figure, a dust bag 1 according to the present embodiment is mounted in a dust collection chamber 3 of a vacuum cleaner main body 2, and a mounting plate 4 of the dust bag 1 is attached. The dust collecting bag 1 is locked by the lower locking portion 5 provided on the vacuum cleaner body 2 and the bag clamp 6 so that the dust collecting bag 1 is
Will be installed inside.

A dust bag 1 according to a first embodiment of the present invention.
Will be described with reference to FIGS.

FIG. 2 is a side sectional view showing the structure of the dust bag according to the first embodiment of the present invention. 3A and 3B are diagrams showing a configuration of a mounting plate of the dust bag according to the first embodiment of the present invention, wherein FIG. 3A is a plan view, and FIG.
It is A 'sectional drawing. 4 is a diagram showing the configuration of the fixing plate of the dust bag according to the first embodiment of the present invention, (a) is a plan view, (b) is a cross-sectional view taken along the line BB 'of (a). is there. FIG. 5 is a diagram for explaining a method of assembling the dust bag according to the first embodiment of the present invention, wherein (a) is a plan view,
(B) is CC 'sectional drawing of (a). 6A and 6B are views for explaining a method of assembling the dust bag according to the first embodiment of the present invention, wherein FIG. 6A is a plan view, and FIG. 6B is a sectional view taken along line DD ′ of FIG. FIG.

As shown in FIG. 2, the dust bag 1 according to the present embodiment includes a cloth bag 7 having a collection opening at one end,
It comprises a mounting plate 4 for mounting the cloth sack 7 in the above-described vacuum cleaner main body, and a fixing plate 8 for holding the cloth sack 7 between the mounting plate 4 and fixing.

One end of the cloth bag 7 is bent, and the bent part is the mounting plate 4 and the fixing plate 8.
And is pinched by. At the other end, a discharge opening for discarding dust collected in the cloth bag 7 is provided, and the discharge opening is usually closed by being sandwiched by a dust stopper 9. I have.

As shown in FIG. 3, the mounting plate 4 is provided with a dust suction hole 10 at the center and a projection 11 outside the hole. The protrusion 11 includes a tip 12 and a detail 13, and a portion closer to the mounting plate body side than the tip 12 is cut into a detail 13, whereby the tip 12 is formed wider than the detail 13. Become.

As shown in FIG. 4, the fixing plate 8 is provided with a dust suction hole 14 in the center and a hole 15 outside the hole. The dust suction holes 14 and the holes 15 are provided at positions opposite to the dust suction holes 10 and the protrusions 11 of the mounting plate 4.
The hole 15 has a large hole portion 16 having a size that allows the distal end portion 12 of the projection 11 to be inserted, and a width through which the detailed portion 13 of the projection 11 can move (the distal end portion 12 cannot be inserted. And a small hole having a size that allows the fine details 13 to be inserted.

The bent portion of the cloth bag 7 has a dust-absorbing hole, which is the above-described collection opening, and a hole having substantially the same shape as the hole 15. 1
1 is provided at a position opposite to 1.

As a method of assembling the dust collecting bag 1, first, as shown in FIG. 5, a hole of the cloth bag 7 is inserted into the projection 11 of the mounting plate 4, and further, is inserted into a large hole 16 of the fixing plate 8. .
Subsequently, as shown in FIG. 7, the fixing plate 8 or the mounting plate 4 is rotated to move the details 13 of the projection 11 from the position of the large hole 16 of the fixing plate 8 to the position of the small hole 17.

The tip 11 of the projection 11 inserted through the small hole 17 is larger than the small hole 17.
The protrusion 11 does not come off from the hole 15 and is fixed.

Thus, the cloth bag 7 can be fixed while being sandwiched between the mounting plate 4 and the fixing plate 8, and the cloth bag 7 can be fixed while being clamped between the mounting plate and the fixing plate as in the related art. Rivet is unnecessary, and machining for caulking the rivet can be made unnecessary. Thereby, the rivet cost and the processing cost can be eliminated. Therefore, an inexpensive dust bag can be provided.

As shown in FIG. 6, when the length of one side of the mounting plate 4 and the length of one side of the corresponding fixing plate 4 are substantially the same, when the projection 11 is inserted into the large hole portion 16, The mounting plate 4 and the fixing plate 8 are inclined with respect to each other by the rotation angle, and the corners of the fixing plate 8 are located outside the mounting plate 4.

By applying a force to the protruding corner, the fixing plate 8 can be easily rotated, and the mounting plate 4
And the fixing plate 8 can be easily fixed. Also,
Even when the length of one side of the fixing plate 8 is larger than the length of one side of the corresponding mounting plate 4, the fixing of the mounting plate 4 and the fixing plate 8 can be easily performed similarly.

If the length of the side of the fixing plate 8 is shorter than the length of the side of the mounting plate 4 corresponding to each side, the projecting amount of the corner is reduced or eliminated. It is very difficult to apply force to rotate
Work efficiency will be greatly reduced.

Next, a dust bag according to a second embodiment of the present invention will be described with reference to FIG. 7A and 7B are views for explaining the configuration of a dust bag according to a second embodiment of the present invention, wherein FIG. 7A is a plan view showing the configuration of a mounting plate, and FIG. FIG.

As shown in the drawing, the dust collecting bag according to the present embodiment is different from the dust collecting bag according to the first embodiment in that the large hole on the inner side of the hole 15 of the fixing plate 8 on the dust suction hole 14 side. It is provided with a convex portion 18 between the portion 16 and the small hole portion 17.

The dimension d ₁ between the projections 11, 11 facing each other via the dust suction hole 10 of the mounting plate 4 and the dust suction hole 14 of the fixed plate 8.
Between the large holes 16, 16 and small holes 17,
The dimension d ₂ between 17 is substantially d ₁ = d _2, no particular force is applied to the protrusion 11 located at the large hole portion 16 and the small hole portion 17.

By providing the convex portion 18, the distance d ₃ between the tips of the convex portions 18, 18 facing each other via the dust suction hole 14 is d _1.
= D ₂ <d ₃ , and the protrusion 11 is moved from the large hole 16 to the small hole 1
7, there is the convex portion 18 on the way, which resists the rotational movement, and the projection 11 moves over the convex portion 18. Once you get over, there is no resistance again.

As a result, when the projection 11 reaches the position of the projection 18, the projection 11 does not pass over the projection 18 unless a rotational movement force is applied from the outside. And the mounting plate 4 and the fixing plate 8 are completely fixed.

Next, a dust bag according to a third embodiment of the present invention will be described with reference to FIG. FIG. 8 is a view for explaining the configuration of the dust bag according to the third embodiment of the present invention, and specifically, is a plan view of a main part of a fixing plate.

The dust collecting bag according to the second embodiment is the same as the dust collecting bag according to the above-described second embodiment, as shown in FIG. Are provided along the hole, and a portion 20 between the hole 15 and the parallel hole 19 is narrowed so that the portion 20 is easily elastically deformed.

Thus, when the projection 11 of the mounting plate 4 is rotated, the resistance at the projection 18 can be reduced. Further, by adjusting the width of the portion 20 between the hole 15 and the parallel hole 19, the rotational movement force can be adjusted to an optimum value.

Next, a dust bag according to a fourth embodiment of the present invention will be described with reference to FIG. FIG. 9 is a diagram for explaining a configuration of a dust bag according to the fourth embodiment of the present invention, and specifically, a diagram showing a configuration of a mounting plate. In the figure, (a) is a plan view, and (b) is E in (a).
It is E- sectional drawing, (c) is a principal part enlarged view of (b).

The dust collecting bag according to the present embodiment is different from the first to third embodiments in that, as shown in FIG. It has a configuration in which minute projections 21 are provided.

With this configuration, when the cloth bag 7 is sandwiched between the mounting plate 4 and the fixing plate 8, the minute projections 21 bite into the cloth bag 7, and a gap is formed between the mounting plate 4 and the fixing plate 8. Can be prevented. For this reason, when the dust bag is disposed in the dust collecting chamber in the vacuum cleaner and is cleaned by the vacuum cleaner, the space between the mounting plate 4 and the fixing plate 8, especially the cloth bag 7 and the fixing plate 8, It is possible to prevent the dust collected from leaking from between.

In the present embodiment, the fine projections 2
Although 1 is provided on the mounting plate 4, the same effect can be obtained when it is provided on the fixing plate 8.

In the above-described embodiment, the slide is performed by rotation. However, the same effect can be obtained when the slide is performed in parallel.

Although the slide engagement is employed, for example, the engagement protrusion having elasticity may be bent, and the leading end may be inserted into a smaller hole than the leading end to engage.

[0050]

As described above, according to the first aspect of the present invention,
According to the dust bag described above, since the engaging portion is provided on one of the mounting plate and the fixing plate, and the engaged portion is provided on the other, the engaging portion is engaged with the engaging portion. By engaging the mating portion, the dust bag main body can be fixed while being held between the mounting plate and the fixing plate, and the conventional dust collecting bag body can be held between the mounting plate and the fixing plate. It is not necessary to use a rivet for fixing the rivet in a set state, and it is not necessary to perform machining for caulking the rivet. Thereby, the rivet cost and the processing cost can be eliminated. Therefore, an inexpensive dust bag can be provided.

According to the dust collecting bag of the second aspect of the present invention, in the dust collecting bag of the first aspect, the engaging portion has a front end portion formed to be wider than other portions. The engaged portion includes a large hole portion through which the tip of the engagement protrusion can be inserted, and a small hole portion communicating with the large hole portion and allowing only the other portion of the engagement protrusion to be inserted. Since the front end is inserted into the large hole and the other portion is slid into the small hole to engage the engaging projection with the engaged hole, for example, an engaging projection having elasticity The engaging protrusion is damaged when the engaging protrusion engages with the engaged hole, as compared with a case where the engaging protrusion is bent and the leading end is inserted into a smaller hole than the leading end and engaged. Can be reliably prevented.

Further, according to the dust bag of the third aspect of the present invention, in the dust bag of the second aspect, a plurality of the engaging projections and the plurality of engaged holes are provided. Since a convex portion is provided between the large hole portion and the small hole portion to set the interval between the two engaged holes to be slightly larger than the interval between the engaging projections, a force is applied after engagement. Unless there is a protrusion, another part of the engagement protrusion can be held in the small hole. Therefore, the mounting plate and the fixing plate can be completely fixed.

In addition, according to the dust collecting bag of the fourth aspect of the present invention, in the dust collecting bag of the third aspect, the engaged hole is provided on the side of the engaged hole where the convex portion is provided. Since the parallel hole is provided close to and parallel to the hole, when the engaging projection and the engaged hole are engaged, the convex portion is elastically deformed and the convex portion is positioned on the parallel hole side. It can be distorted, and the force at the time of engagement can be reduced.

In addition, according to the dust bag of the fifth aspect of the present invention, in the dust bag of the first aspect, one of the mounting plate and the fixing plate holds the main body of the dust bag. On the surface,
The dust collecting bag main body has a configuration in which an annular minute projection is provided to support the entire circumference of the one end side end portion. Therefore, when the dust collecting bag body is sandwiched between the mounting plate and the fixing plate, the minute projection is formed. It is possible to surely prevent a gap from being formed between the mounting plate and the fixing plate by digging into the dust bag main body. Therefore, it is possible to reliably prevent dust from leaking from between the mounting plate and the fixing plate.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an electric vacuum cleaner using a dust bag according to an embodiment of the present invention.

FIG. 2 is a side sectional view showing the configuration of the dust bag according to the first embodiment of the present invention.

FIG. 3 is a diagram illustrating a configuration of a mounting plate of the dust bag according to the first embodiment of the present invention.

FIG. 4 is a diagram illustrating a configuration of a fixing plate of the dust bag according to the first embodiment of the present invention.

FIG. 5 is a diagram for explaining a method of assembling the dust bag according to the first embodiment of the present invention.

FIG. 6 is a diagram for explaining a method of assembling the dust bag according to the first embodiment of the present invention.

FIG. 7 is a diagram illustrating a configuration of a dust bag according to a second embodiment of the present invention.

FIG. 8 is a diagram illustrating a configuration of a dust bag according to a third embodiment of the present invention.

FIG. 9 is a diagram illustrating a configuration of a dust bag according to a fourth embodiment of the present invention.

FIG. 10 is a side sectional view showing a configuration of a conventional dust bag.

FIG. 11 is a view showing a configuration of a conventional mounting plate for a dust bag.

FIG. 12 is a view showing a configuration of a conventional fixing plate of a dust bag.

FIG. 13 is a view for explaining a conventional method of assembling a dust bag.

FIG. 14 is a view for explaining a conventional method of assembling a dust bag.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dust collection bag 4 Mounting plate 7 Cloth bag (dust collection bag main body) 8 Fixing plate 10, 14 Dust-absorption hole 11 Projection (engagement protrusion) 12 Tip 13 Detail 15 Hole (engagement hole) 16 Large hole 17 Small hole 18 Convex Part 19 Parallel hole 21 Micro projection

Claims (5)

(57) [Claims] A dust collecting bag main body provided with a collecting opening at one end side for collecting dust, an attachment plate for attaching the dust collecting bag main body to a vacuum cleaner main body, and the dust collecting bag main body. A fixing plate for fixing to the mounting plate, wherein the entire circumference of one end side of the dust collecting bag main body is bent and sandwiched between the mounting plate and the fixing plate, and the dust collecting bag is fixed to the mounting plate and the fixing plate. In a dust collecting bag provided with a ventilation hole communicating with the inside of the dust bag main body,
A dust bag, wherein an engaging portion is provided on one of the mounting plate and the fixing plate, and an engaged portion which is engaged with the engaging portion is provided on the other. 2. The engaging portion comprises an engaging projection having a distal end portion formed wider than other portions, and the engaged portion includes a large hole portion through which the distal end portion of the engaging projection can be inserted, and the large hole portion. And a small hole portion which communicates with a small hole portion which can be inserted only in the other portion of the engagement protrusion. The tip portion is inserted into the large hole portion and the other portion is slid into the small hole portion. The dust bag according to claim 1, wherein the engaging projection is engaged with the engaged hole. 3. A plurality of said engaging projections and a plurality of engaged holes are provided, respectively, between said engaging projections facing each other via a dust suction hole of a mounting plate.
Dimensions between the engaged holes that face each other through the
The dimensions should be approximately equal to the dimensions
A convex portion is provided between the large hole portion and the small hole portion,
The size between the tips of the convex portions facing each other via the dust-absorbing hole of the plate is set slightly larger than the size between the engaged holes or the size between the engaging projections. Dust bag. 4. On the side of the engaged hole where the convex portion is provided,
4. A dust bag according to claim 3, wherein a parallel hole is provided adjacent to and parallel to the engaged hole. 5. An annular minute projection that supports the entire circumference of one end of the dust bag main body is provided on a surface of one of the mounting plate and the fixed plate that sandwiches the dust bag main body. The dust bag according to claim 2, wherein: