JPS58329B2 - Vacuum cleaner dust removal device - Google Patents

Description

[Detailed description of the invention] This invention relates to a dust removal device for a vacuum cleaner.

Conventionally, a bellows-shaped filter is housed on the exhaust side of the dust collection chamber, and a dust removal body having a plurality of protrusions protruding into the folds of the filter is attached to the support wall between the dust collection chamber and the electric chamber. There is a type that is mounted so as to be able to reciprocate in orthogonal directions and is equipped with a crank that drives the dust remover.

That is, the crank is rotated manually or by rotation of a cord reel, and the movement is converted into a linear motion and transmitted to the dust removal body, and the protrusion folds are vibrated from side to side to remove dust.

However, the movement by the crank is performed with a sine curve as shown in FIG. 1, and merely moves the folds of the filter slowly from side to side.

That is, the vibration given to the filter is small and dust removal cannot be performed effectively.

The object of the present invention is to provide a dust removal device for a vacuum cleaner that can eliminate the above-mentioned drawbacks.

This invention stores a bellows-shaped filter in which a plurality of pleats are formed in parallel in a dust collection chamber that communicates with an electric chamber that houses an electric blower; A dust removing body having a plurality of protrusions arranged along a direction substantially perpendicular to the pleats is rotatably provided along the back surface of the filter,
An actuating body connected to a crank and reciprocating in a distribution direction centered on a rotational fulcrum of the dust removing body substantially orthogonal to the pleats is provided on the supporting wall, and a rotational fulcrum of the working body and the dust removing body. The invention is characterized in that an ammunition member is stretched at a position spaced a predetermined distance from the base.

In other words, the crank converts circular motion into reciprocating motion to cause the actuating body to reciprocate, so that one locking point of the bullet member moves from one side of the rotation fulcrum of the dust removing body to the other side beyond the dead point. The rapidly increased energy caused by the sudden increase in energy causes the dust removing body to be quickly reversed, and the protrusions apply a shock to the filter while making the folds vibrate, thus increasing the dust removal effect of the filter. The shock at this time is transmitted from the stopper to the entire filter frame, further increasing the dust removal effect.In addition, the dust removal body can be moved in a linear reciprocating manner with a rotatably held transmission member. By constructing a freely held sliding body, the projecting piece is brought into contact with the folds of the filter perpendicularly to promote the amplitude action on the filter, thereby effectively performing dust removal action. .

A first embodiment of this invention will be explained based on FIGS. 2 to 8.

1 is a main body case, and this main case 1 has an electric blower 2.
A cord reel chamber 6 in which a cord reel 5 around which a cord 4 is wound is rotatably housed, and a dust collection chamber 8 communicating with a suction hole 7 are formed.

In this dust collection chamber 8, a rectangular cylindrical filter frame 9 is provided with a backing 1.
It is inserted while being sealed by 0.

A net filter 11, a sponge filter 12, and a bellows-shaped filter 13 are sequentially held in this filter frame 9 from the suction side to the exhaust side.

A through hole 1 is provided between the electric power chamber 3 and the dust collection chamber 8, respectively.
Support walls 15 and 16 are provided.

A crank 18 having a pin 17 is rotatably held on one of the supporting walls 16, and this crank 18 is connected to the cord reel 5 via a shaft 19 and gears 20, 21.

Further, as shown in FIGS. 3 to 5, an actuating body 22 is held by a guide 23 on the supporting wall 16, and the filter 13 is
It is provided so that it can freely reciprocate in a straight line in the left-right direction perpendicular to the pleats 24 of.

The actuating body 22 has a long hole 22a corresponding to the bottle 17 of the crank 18 and a bottle-shaped locking portion 22b.

Further, a dust removing body 25 is rotatably held on the support wall 16 by a bin 26.

This dust removing body 25 has an arc-shaped attachment part 28 connected to the lower end of an arm 27 held by a bin 26, and flexible protrusions 2 and 9 that protrude between the folds 24 are attached to this attachment part 28. A plurality of them are formed.

Furthermore, a guide 30 for guiding the arc-shaped movement of the mounting portion 28 and flexible stoppers 31 that abut on both sides of the mounting portion 28 are attached to the support wall 16 .

The pivot point of the dust removing body 25, that is, the bin 26 is located near the lower side of the operating body 22.

A bin 32 is provided upright below the center of the dust removal body 25 at a distance from the bin 26, and a tension spring 33, which is an elastic member, is tensioned between the bin 32 and the locking portion 22b. ing.

Furthermore, as shown in FIGS. 4 and 6, the filter frame 9 is formed with a receiving portion 34 that comes into contact with the outside of the stopper 31.

1 In such a configuration, the cord reel 5 rotates each time the cord 4 is pulled out or wound up, and the rotation is transmitted to the crank 18 via the gears 21 and 20 and the shaft 19.

Thereby, the actuating body 22 reciprocates in the left-right direction together with the locking portion 22b.

Now, as shown in FIG.
When the dust removal body 25 moves to the right beyond the dead point from the left side of the body, the dust removal body 25 quickly reverses due to the energy (tension) stored in the tension spring 33, as shown in FIG. gives an amplitude to the pleats 24 while giving a shock to the filter 13.

That is, even if the actuating body 22 operates, the dust removing body 25 does not move until the locking part 22b crosses the center line (dead point) of the arm 2-7, and at the moment it crosses the dead point, it reverses.

This reciprocating motion of the dust removing body 25 is reversed as shown in the pulse wave shown in FIG.

Thereby, the dust removal action can be performed effectively.

Further, the operating range of the dust removing body 25 is determined by the stopper 31, and the shock thereof is transmitted from the receiving portion 34 to the filter frame 9, so that not only the dust on the filter 13 but also the dust on the film 1L12 can be removed by vibration.

The same effect can be obtained by using rubber with strong tension in place of the tension spring 33.

Note that by increasing the distance between the pins 26 and 32, the rotational moment of the dust removal body 25 can be increased, and the vibration to the filter 13 can be increased.

Further, even if the stroke of the upper operating body 22, which is located in the vicinity of the rotational fulcrum of the dust removal body 25, is made smaller, the stroke of the dust removal body 25 can be increased, and the crank 18 can also be made more compact. can.

Next, a second embodiment of the present invention will be described based on FIG. 9.

The same parts as in the previous embodiment are designated by the same reference numerals, and the description thereof will be omitted.

The dust removing body 35 provided on the support wall 16 is composed of a link 36 which is a transmission member and is held by a pin 26 so as to be freely braked, and a sliding body 38 connected to the other end of the link 36.

This sliding body 38 is formed with a notch 37 that engages with the pin 32.

This sliding body 38 is guided by a guide 39 provided on the support wall 16 so as to linearly reciprocate in a direction perpendicular to the pleats 24 of the filter 13.

A plurality of protrusions 29 are arranged along the sliding direction of this sliding body 38.

Therefore, the link 36 rotates back and forth due to the reciprocating movement of the operating body 22, and as a result, the sliding body 38 comes into contact with the pleats 24 at right angles, so that the amplitude action can be increased and dust removal can be performed more effectively.

In the embodiment described above, the operating body 22 is described as reciprocating in a straight line, but it may be in the form of a link that reciprocates in an arc.

In this case, the tension when the tension spring 33 exceeds the dead point can be further increased, and the dust removing body can be quickly reversed even more quickly.

Since this invention is configured as described above, the crank converts circular motion into reciprocating motion to cause the actuating body to reciprocate, so that one of the locking points of the bullet member is aligned with the rotation fulcrum of the dust removal body. The dust removing body is quickly reversed by the rapidly increased energy when moving from one side to the other side beyond the dead point, and the protrusions apply a shock to the filter while causing the folds to oscillate, thus increasing the dust removal effect of the filter. In addition, the stopper restricts the reversal range of the dust remover, but the shock at this time is transmitted from the stopper to the entire filter frame, further increasing the dust removal effect.Furthermore, the dust remover can be rotated freely. By constructing a transmission member that is held and a sliding body that is held so that it can freely reciprocate in a straight line, the protrusions are brought into contact with the folds of the filter perpendicularly to promote the amplitude action on the filter, thereby making the dust removal effect effective. It has the effect that it can be carried out.

[Brief explanation of drawings]

Fig. 1 is a graph showing the reversing operation of a conventional dust remover, Fig. 2 is a vertical cross-sectional side view showing the first embodiment of the present invention, and Fig. 3 is an enlarged view of the relationship between the crank, actuator, and dust remover. Figure 4 is a front view, Figure 5 is a partially enlarged longitudinal sectional side view, Figure 6 is a partially enlarged horizontal sectional side view, and Figure 7 is a partially enlarged horizontal sectional side view. An explanatory diagram showing the operation of the dust removal body,
FIG. 8 is a graph showing the operation of the dust removing body, and FIG. 9 is a partially enlarged front view showing a second embodiment of the present invention. 2; Electric blower, 3; Electric chamber, 8; Dust collection chamber, 9; Filter frame, 13; Filter, 16; Support wall, 18; Crank,
22; Actuating body, 24; Fold, 25; Dust removal body, 26; Pin (rotation fulcrum), 29; Protruding piece, 31: Stopper, 33; Tension spring (elastic member), 34; Receiving part, 35; Dust removal body, 36
; Link (transmission member), 38; Sliding body. (4) (5) (6)

Claims (1)

[Scope of Claims] 1. A bellows-shaped filter in which a plurality of pleats are formed in parallel is housed in a dust collection chamber that communicates with a motorized chamber that houses an electric blower, and a filter is provided between the motorized chamber and the dust collection chamber. A dust removing body having a plurality of protrusions arranged in a direction substantially perpendicular to the pleats is rotatably provided on the support wall along the back surface of the filter, and is connected to the support wall with a crank and is connected to the pleats. An actuating body that is orthogonal to each other and reciprocates in a distribution direction centering on a rotational fulcrum of the dust removal body is provided, and an ammunition member is stretched between the operation body and a position spaced a predetermined distance from the rotational fulcrum of the dust removal body. A dust removal device for a vacuum cleaner characterized by: 2. A bellows-shaped filter having a plurality of folds formed in parallel is stored and held by a filter frame in a dust collection chamber that communicates with a motorized chamber that houses an electric blower, and a filter is provided between the motorized chamber and the dust collection chamber. A dust removing body having a plurality of protrusions arranged in a direction substantially perpendicular to the folds is rotatably provided along the back surface of the filter, and is connected to the support wall with a crank and is connected to the folds. An operating body is provided that is substantially orthogonal and reciprocates in a distribution direction around a rotational fulcrum of the dust removal body, and an ammunition member is provided at a position spaced apart from the rotational fulcrum of the dust removal body by a predetermined distance. The filter frame is characterized in that a stopper is provided on the supporting wall to abut on a part of the dust removal body and regulate its operating range, and a receiving part is formed on the filter frame to transmit a shock to the stopper. Dust removal equipment for vacuum cleaners. 3. A bellows-shaped filter in which a plurality of pleats are formed in parallel is stored in a dust collection chamber that communicates with a motorized chamber that houses an electric blower, and one end is attached to a support wall between the motorized chamber and the dust collection chamber. The transmission member has the other end rotatably held, and a plurality of protrusions arranged along a direction perpendicular to the pleats, and is held so as to be linearly reciprocated in the direction in which the protrusions are arranged. A dust removing body is rotatably connected to the center of the sliding body, and the dust removing body is connected to the support wall with a crank, and is substantially orthogonal to the pleats in a distribution direction centered on the rotational fulcrum of the transmission member. A dust removal device for a vacuum cleaner, characterized in that a reciprocating actuating body is provided, and an elastic member is stretched between one of the connecting parts of the transmission member and the sliding body and the actuating body.