CN107964769B - Filter cleaning device and dryer - Google Patents

Filter cleaning device and dryer Download PDF

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Publication number
CN107964769B
CN107964769B CN201710947607.4A CN201710947607A CN107964769B CN 107964769 B CN107964769 B CN 107964769B CN 201710947607 A CN201710947607 A CN 201710947607A CN 107964769 B CN107964769 B CN 107964769B
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CN
China
Prior art keywords
scraper
filter
cleaning
dust
cleaning device
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Active
Application number
CN201710947607.4A
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Chinese (zh)
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CN107964769A (en
Inventor
横山広
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Kowa Co Ltd
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Kowa Co Ltd
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Filing date
Publication date
Priority to JP2016-206222 priority Critical
Priority to JP2016206222 priority
Priority to JP2016213649A priority patent/JP6635514B2/en
Priority to JP2016-213649 priority
Application filed by Kowa Co Ltd filed Critical Kowa Co Ltd
Publication of CN107964769A publication Critical patent/CN107964769A/en
Application granted granted Critical
Publication of CN107964769B publication Critical patent/CN107964769B/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • D06F58/22Lint collecting arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 

Abstract

The invention provides a filter cleaning device and a dryer, which can prevent a scraper blade forming a cleaning piece from slipping on the surface of dust and reliably scrape and remove the dust upwards. The filter cleaning device (10) comprises: a cleaning device main body (2); an arc-shaped filter member (1) capable of trapping dust from ventilation; and a cleaning member (3) which is provided with a scraper (3b) and a base (3c) and is movable along the filter member (1) to remove dust adhering to the filter member (1), wherein the scraper (3b) has a protrusion (3g) formed on a side portion thereof for scraping up dust, and the base (3c) rotates the scraper (3 b). The length from one end (3f) of the cleaning element (3) to the other end (3d) of the cleaning element is longer than the shortest distance from the one end (3f) of the cleaning element (3) to the filtration surface of the filter element (1).

Description

Filter cleaning device and dryer
Technical Field
The present invention relates to a filter cleaning device for removing dust attached to a filter, and a clothes dryer including the filter cleaning device.
Background
Conventionally, a filter cleaning device provided with a filter for collecting dust and removing dust adhering to the filter is known (patent document 1).
The filter cleaning device of patent document 1 includes: a first ventilation part for circulating air for drying; a first filter unit for capturing lint from the drying air introduced into the first ventilation unit; a second ventilation part arranged at the side of the first ventilation part; a second filter unit provided in the second ventilation unit; an opening part for making a part of the drying air introduced into the first ventilation part flow to the second ventilation part; an opening/closing member for opening/closing the opening; and a lint removing device for scraping lint caught by the first filter unit and the second filter unit, wherein the shutter has an opening so that the lint scraped by the lint removing device moves to the second ventilating unit (see fig. 3 of patent document 1).
Patent document 1: japanese patent laid-open publication No. 2011-130786
However, according to the lint removing device described in patent document 1, since lint (dust) from the dryer is accumulated in a sheet shape and compressed by ventilation when the filter is cleaned by rotating the scraper up to the stopper, there is a problem that the scraper slips above the lint and slips on the surface of the lint when the filter is cleaned.
Disclosure of Invention
The present invention has been made to solve the above-described conventional problems, and an object of the present invention is to provide a filter cleaning device and a dryer including the filter cleaning device, which can reliably scrape and remove dust upward without causing a scraper blade constituting a cleaning member to slip on a surface of the dust.
In order to solve the above-described conventional problem, the invention of the filter cleaning device according to aspect 1 includes: a cleaning device main body; a filter member capable of trapping dust from ventilation; and a cleaning element including a scraper and a base for fixing a rear end of the scraper, the cleaning element being movable along the filter element and removing dust adhering to the filter element, the scraper having a plurality of projections formed on a side portion thereof for scraping up dust, a length from one end portion to the other end portion of the cleaning element being longer than a shortest distance from the one end portion to a filter surface of the filter element, the cleaning device main body including a recess for accommodating a tip portion of the scraper at an initial position of the cleaning element where the scraper does not come into sliding contact with the filter element, the plurality of projections projecting substantially parallel to a traveling direction in a state where the tip portion of the scraper is accommodated in the recess, the cleaning element having a support portion formed at a tip of the base for coming into contact with a rear side of the scraper, the cleaning element being movable along the filter surface during a cleaning process, with the support portion, in a state where the scraper is bent or curved rearward, the plurality of projections formed on the side portion of the scraper abut against the filter surface so as to project in a substantially vertical direction, and abut against one end portion of the dust accumulated on the filter member and scrape upward.
According to the invention of the aspect 1, the cleaning device body includes the recess portion that receives the tip end portion of the scraper at the initial position of the cleaning element where the scraper does not slide in contact with the filter, and the length from one end portion to the other end portion of the cleaning element is made longer than the shortest distance from the one end portion of the cleaning element to the filter surface of the filter. Therefore, when the cleaning element abuts on the dust, the projection of the scraper can abut on and be scraped upward in a manner of being lifted from the lower side of one end of the dust accumulated on the filter element. With this configuration, a trigger for starting to peel off dust, which is strongly pressed against the filter member by the ventilation pressure and accumulated in a sheet shape, can be reliably created, and slipping on the dust can be prevented. Further, since the length from the one end portion to the other end portion of the cleaning element is longer than the shortest distance from the one end portion of the cleaning element to the filter surface of the filter element, the scraper blade formed with the projection abuts against the filter element in a bent or curved state, and therefore, the dust can be repelled by the restoring force of the scraper blade and the dust can be suppressed from remaining at the tip end of the scraper blade.
In the invention of the filter cleaning device according to aspect 2, the filter cleaning device includes: a cleaning device main body; a filter member capable of trapping dust from ventilation; and a cleaning element including a scraper blade and a base for fixing a rear end of the scraper blade, the scraper blade being movable along the filter element and removing dust adhering to the filter element, the scraper blade being formed with a plurality of projections on side portions thereof for scraping up dust, a length from one end portion to the other end portion of the cleaning element being longer than a shortest distance from the one end portion of the cleaning element to a filter surface of the filter element, the cleaning device main body including a recess portion for accommodating a tip end portion of the scraper blade at an initial position of the cleaning element where the scraper blade does not come into sliding contact with the filter element, and the plurality of projections being formed between the side portions of the scraper blade at a same height position as the filter surface and the tip end of the scraper blade in a state where the tip end portion of the scraper blade is accommodated in the recess portion, the cleaning tool has a support portion formed at a distal end of the base and abutting against a rear side of the scraper, and the plurality of projections formed at side portions of the scraper abut against the filtering surface so as to project in a direction substantially perpendicular to the filtering surface in a state where the scraper is bent or curved rearward during forward cleaning of the filtering surface.
According to the invention of the mode 2, the cleaning device main body is provided with the recess portion which accommodates the tip end portion of the scraper at the initial position of the cleaning element where the scraper does not come into sliding contact with the filter, and the length from one end portion to the other end portion of the cleaning element is longer than the shortest distance from the one end portion of the cleaning element to the filter surface of the filter. Further, in a state where the tip end portion of the scraper is housed in the recess, a protrusion is formed between the side portion of the scraper at the same height position as the filtering surface and the tip end of the scraper. With this configuration, when the cleaning element passes over the recess, the projection of the scraper can be lifted up from the lower side of the dust accumulated on the filter element and can be brought into contact with the lower side of the dust, thereby scraping the dust upward. At this time, by forming the projection for scraping up dust on the side portion between the side portion of the scraper at the same height position as the filter surface and the tip end of the scraper, when the projection abuts on dust, the projection can be made to enter from the lower side of the dust, thereby reliably scraping up the dust. Further, since the length from the one end portion to the other end portion of the cleaning element is longer than the shortest distance from the one end portion of the cleaning element to the filter surface of the filter element, the scraper blade formed with the projection abuts against the filter element in a bent or curved state, and therefore, the dust can be repelled by the restoring force of the scraper blade, and the dust can be suppressed from remaining at the tip end of the scraper blade.
The invention of the filter cleaning device according to mode 3 is the invention according to mode 1 or 2, wherein when cleaning the filter surface, a tip portion of the projection formed on the blade side portion abuts against the filter surface, and the tip portion abuts against dust before a root portion of the projection. Therefore, the tip end of the projection can enter between the filter surface and the dust, and the dust can be peeled off like a scraper.
The invention of the filter cleaning device according to the aspect 4 is the invention according to any one of the aspects 1 to 3, wherein the cleaning member is rotated or rotated. Therefore, the dust attached to the filter member can be scraped upward and removed by the rotating or rotating cleaning member.
The invention of the filter cleaning device according to aspect 5 is the invention according to aspect 4, wherein the cleaning device main body includes a movable mechanism including: an operation rod capable of moving back and forth in a direction perpendicular to the rotation axis of the cleaning element; and a motion conversion mechanism that converts the linear motion transmitted from the operation rod into a rotational motion. Therefore, the filter cleaning device can be made smaller than a case where the movable mechanism is provided coaxially with the rotation shaft of the cleaning element.
In the invention of the dryer of the mode 6, the rotary drum is rotatably disposed in the tank body and accommodates the objects to be dried, the warm air generated by the air blowing mechanism and the heating mechanism is circularly supplied into the rotary drum through the circulation duct to dry the objects to be dried, and the filter cleaning device according to any one of the modes 1 to 5 is provided on the side of the circulation duct where the air is discharged from the tank body. Accordingly, it is possible to provide a dryer in which: the scraper blade can reliably remove dust without slipping on the dust accumulated in a sheet shape, and can insert the protruding front end part of the scraper blade between the filter surface and the dust to strip the dust like a scraper blade, and can manually remove the dust attached to the filter, thereby miniaturizing the filter cleaning device.
According to the invention of the filter cleaning device of the aspects 1 and 2, the scraper does not slip on the dust accumulated in a sheet shape, dust can be reliably removed, the effect of scraping the dust adhering to the filter member by the scraper can be improved, and the dust can be prevented from remaining at the tip of the scraper. According to the invention of the mode 3, the tip end portion of the projection can be inserted between the filter surface and the dust, and the dust can be peeled off like a scraper. According to the invention of the mode 4, since the rotating or rotating cleaning element scrapes up and removes the dust attached to the filter member, the structure does not become complicated, and a small and inexpensive filter cleaning device can be provided. According to the invention of the mode 5, the filter cleaning device can be downsized.
Further, according to the invention of the dryer of mode 6, there may be provided a dryer as follows: the scraper blade can reliably remove dust without slipping on the dust accumulated in a sheet shape, and can make the protruding front end part of the scraper blade enter between the filtering surface and the dust to strip the dust like a scraper blade, and can manually remove the dust attached to the filtering member, thereby miniaturizing the filter cleaning device.
Drawings
Fig. 1 is a perspective view illustrating a dryer of the present invention.
Fig. 2 is a sectional view showing an internal structure of a dryer of the present invention.
Fig. 3 (a) is a perspective view showing an external appearance of the filter cleaning device according to the first embodiment of the present invention, and fig. 3 (b) is a perspective view showing an internal structure of the filter cleaning device according to the first embodiment of the present invention.
Fig. 4 (a) to (c) are explanatory views showing the operation of the movable mechanism constituting the filter cleaning device of the present invention.
Fig. 5 is an explanatory diagram illustrating a cleaning operation of the filter cleaning device according to the first embodiment of the present invention.
Fig. 6 is an explanatory view showing a cleaning operation of the filter cleaning device according to the first embodiment of the present invention.
Fig. 7 (a) to (c) are explanatory views showing the operation of the blade in contact with the dust.
Fig. 8 (a) and (b) are explanatory views showing another embodiment of the recess.
Fig. 9 is an explanatory view showing another filter cleaning device according to a second embodiment of the present invention.
Fig. 10 (a) and (b) are explanatory views showing another embodiment of the squeegee.
Description of the reference numerals
1. 1A filter element
2. 2A cleaning device body
2a outer side
3. 11 cleaning element
3a rotating shaft
3b, 11b, 13b, 14b scrapers
3c, 11c base station
The other end of the 3d, 11d cleaning element
3e, 11e support part
One end of the 3f, 11f cleaning element
3g, 11g, 13g, 14g protrusions
4. 4a, 4b, 4c, 4d recess
5 dust outlet
6 dust discharge inhibitor
6a, 6b long plate
6c pressing part
6d baffle
7 Movable mechanism
7a operating rod
7b motion conversion mechanism
8 rotating shaft
9 dust
10. 10a filter cleaning device
12 filtration surface
13d end of scraper
20 drying machine
20a door
20b rotary drum
20c motor
20d groove body
21a, 21b, 21c circulation pipe
22 heating mechanism
23 air supply mechanism (Fan)
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. The present invention is not limited to the above embodiments.
Fig. 1 is a perspective view illustrating a dryer of the present invention, and fig. 2 is a sectional view illustrating an internal structure of the same dryer. The dryer of the present invention will be described using the above-described drawings. The dryer 20 of the present invention includes a door 20a on a front surface thereof, a rotary drum 20b rotatably disposed in a tub 20d and accommodating objects to be dried such as clothes, and a filter cleaning device 10 provided on a side of the circulation ducts 21a, 21b, 21c from which air is exhausted from the tub 20d, wherein warm air generated by an air blowing mechanism (fan) 23 and a heating mechanism 22 is circulated and supplied into the rotary drum 20b through the circulation ducts 21a, 21b, 21c to dry the objects to be dried.
Reference numeral 20c is a motor that rotates the rotary drum 20b, and the motor 20c rotates the rotary drum 20b during various processes such as a drying process, a washing process, a rinsing process, and a dehydrating process. As an example, a heat exchanger may be used as the heating means 22. As the heat exchanger, various types such as a heat pump type and a heater type can be used. The dryer 20 is a drum type dryer, but is not limited thereto, and various types such as a vertical type dryer may be used.
Fig. 3 (a) is a perspective view showing an external appearance of the filter cleaning device according to the first embodiment of the present invention, and fig. 3 (b) is a perspective view showing an internal structure of the filter cleaning device according to the first embodiment of the present invention. A first embodiment of the filter cleaning device according to the present invention will be described below with reference to fig. 3.
The filter cleaning device 10 includes a cleaning device main body 2 and a filter member 1 having a part of an arc shape, and the filter member 1 can collect dust from ventilation. The filter cleaning device 10 further includes a cleaning element 3, the cleaning element 3 includes a rotating shaft 3a, a scraper 3b, and a base 3c, the scraper 3b has a protrusion 3g formed on a side portion thereof for scraping dust upward, the base 3c rotates the scraper 3b, and the cleaning element 3 moves (reciprocates) along the filter element 1 to remove the dust adhering to the filter element 1.
Further, the length from the one end 3f of the cleaning element 3 to the other end 3d of the cleaning element is longer than the shortest distance from the one end 3f of the cleaning element 3 to the filter surface 12 of the filter member 1, and a support portion 3e is formed at the tip of the base 3c, the support portion 3e being in contact with the rear side of the scraper 3b in the traveling direction of the cleaning element 1 in the forward stroke, and the scraper 3b being in contact with the filter member 1 in a state bent or curved rearward in the forward stroke. The blade 3b is made of an elastic material, but is not limited to this, and may be made of rubber, a soft resin, a foamed resin, a nonwoven fabric, or a composite material of these materials.
The scraper 3b is configured to be released from the bent or curved state (return to the initial state) by being separated from the filter member 1 near the end of the outward movement. In the filter cleaning device 10 having such a configuration, the length from the one end 3f of the cleaning element 3 to the other end 3d of the cleaning element is made longer than the shortest distance from the one end 3f of the cleaning element 3 to the filter surface 12 of the filter element 1, and the scraper 3b abuts against the filter element 1 in a state of being bent or curved rearward in the traveling direction during the forward stroke, so that dust can be ejected by the restoring force of the scraper 3b in the vicinity of the terminal end of the forward stroke, and the dust can be suppressed from remaining at the tip end of the scraper. Further, since the support portion 3e is formed to abut on the rear side in the traveling direction of the scraper 3b in the forward movement, the effect of scraping the dust adhering to the filter member 1 by the scraper 3b can be improved.
In fig. 3 (b), the cleaning device body 2 includes a recess 4, and the recess 4 accommodates the tip of the scraper 3b at the initial position of the cleaning element 3 where the scraper 3b does not slide on the filter 1. Therefore, when the cleaning element 3 abuts on the dust 9, the projection 3g of the scraper 3b can abut on and scrape up in a raised manner from the lower side of one end of the dust 9 accumulated on the filter element 1, that is, the filter element 1 side. With this configuration, a trigger for starting to peel off the dust 9 can be reliably created, and slipping on the dust can be prevented, wherein the dust 9 is strongly pressed against the filter element 1 by the ventilation pressure and is accumulated in a sheet shape.
The cleaning device body 2 is provided with a dust discharge port 5 for discharging dust. The dust discharge port 5 is provided with a dust discharge inhibitor 6, and the dust discharge inhibitor 6 is movably opened and closed for preventing the dust collected on the filter element 1 from being discharged to the outside. The dust discharge inhibitor 6 includes long plates 6a and 6b arranged in a lattice shape to prevent dust from being discharged to the outside. This can prevent dust from spilling when the user takes the filter cleaning device 10 off the dryer 20 and transports it to a predetermined disposal site such as a trash bin. The dust discharge inhibitor 6 is provided with a shutter 6 d. The baffle 6d guides the air flow downward so that dust does not adhere to the rotating shaft 3a of the cleaning implement 3.
The cleaning device body 2 further includes a movable mechanism 7, the movable mechanism 7 being connected to the cleaning implement 3 to move the cleaning implement 3, and the movable mechanism 7 being provided on the outer surface 2a of the filter cleaning device 10.
Next, the operation of the movable mechanism 7 constituting the filter cleaning device 10 of the present invention will be described with reference to fig. 4 (a) to (c). As described above, the movable mechanism 7 is provided on the outer surface 2a of the filter cleaning device 10, and includes: an operation lever 7a that can reciprocate in a direction perpendicular to the rotation shaft 3a of the cleaning implement 3; and a motion conversion mechanism 7b that converts the linear motion transmitted from the operation rod 7a into a rotational motion.
Specifically, the operating lever 7a is constituted by a rack, and the motion converting mechanism 7b is constituted by a spur gear. The rotation center of the rotary shaft 3a is formed to coincide with the rotation center of the flat gear, and the cleaning implement 3 is rotated by the power transmitted to the flat gear via the rotary shaft 3 a. When the operation lever 7a is pressed leftward in the drawing from the initial state shown in fig. 4 (a), the pressing portion 6c of the dust discharge inhibitor 6 that is in contact with the distal end of the operation lever 7a is pressed leftward in the drawing, and is rotated about the rotating shaft 8 connected to one end of the dust discharge inhibitor 6, so that the state shown in fig. 4 (b) is achieved.
Then, when the dust discharge inhibitor 6 is rotated clockwise in the drawing from the state shown in fig. 4 (b), the pressing portion 6c shown in fig. 4 (c) comes into contact with the distal end of the operation lever 7a, and the operation lever 7a is pressed by the pressing portion 6c to return to the initial state shown in fig. 4 (a).
Fig. 5 shows a cleaning operation of the filter cleaning device according to the first embodiment during the forward stroke. At the initial position in the forward stroke, the blade 3b of the cleaning implement 3 is accommodated in the recess 4. Then, by rotating the cleaning element 3 clockwise in the figure, the scraper 3b moves from the recess 4 and comes into contact with the filter element 1. When the scraper 3b is accommodated in the recess 4, the movable mechanism 7 is in the state of fig. 4 (a), and the cleaning implement 3 rotates to clean the filter 1 as the operating lever 7a is pushed leftward in the figure.
The scraper 3b in a state of abutting against the filter member 1 is in a state of being flexed or bent toward the rear side in the traveling direction. The scraper 3b is released from the flexed or bent state by being separated from the filter member 1 near the end of the outward stroke, and the dust 9 is ejected from the dust discharge port 5 to the outside. At this time, the movable mechanism 7 is in the state of fig. 4 (b), and the dust discharge inhibitor 6 is opened. With this configuration, when a user discards dust in a predetermined disposal place such as a trash, the dust can be reliably transferred to the disposal place because the dust is ejected by the restoring force of the scraper 3 b.
Fig. 6 shows the cleaning operation of the filter cleaning device according to the first embodiment in the return stroke, in which the movable mechanism 7 returns from the state shown in fig. 4 (c) to the initial state shown in fig. 4 (a). In the return stroke, the cleaning implement 3 is in a state of being gently bent or curved toward the rear side in the traveling direction with the vicinity of the root of the scraper 3b as a fulcrum by bringing the scraper 3b into contact with the filter element 1 in a state of being released from the bent or curved state. This is because the cleaning implement 3 includes the support portion 3e that abuts the front side of the blade 3b in the traveling direction during the return stroke, and the support portion 3e is not formed on the rear side. Further, one end of the blade 3b is fixed to the base 3c, but is not fixed to the support portion 3 e. Therefore, the bending direction of the scraper 3b in contact with the filter 1, the fulcrum and the angle of bending are different between the forward and backward travel. Therefore, the scraper 3b bends or curves in a substantially L-shape at a large angle while going forward with the tip of the support portion 3e as a fulcrum, and the contact of the scraper 3b with the filter 1 becomes strong. Therefore, the dust removal efficiency is improved and the force of ejecting the dust 9 near the end of the outward stroke can be enhanced.
Further, by positioning the blade 3b in the bent state in the return stroke in the concave portion 4, the bending is eliminated, and the original state can be returned. If the recess 4 is not formed, the blade 3b needs to be bent from the backward direction in the traveling direction during the return stroke to the forward direction when switching from the return stroke to the forward stroke. Therefore, the user needs a large force when pressing the operation lever 7a, and the scraper 3b and the filter member 1 are subjected to a large load. Therefore, by forming the recess 4 at the initial position, the switching from the return stroke to the outward stroke can be performed with a small force, and the durability of the scraper 3b and the filter member 1 is improved.
Fig. 7 is an explanatory diagram illustrating an operation of the blade contacting the dust. As shown in fig. 7 (a), in the initial position, the tip end portion of the blade 3b of the cleaning implement 3 is housed in the recess 4, and the blade 3b has a protrusion 3g formed on the side portion thereof for scraping up dust. Next, as shown in fig. 7 (b), the blade 3b abuts on one end of the sheet-like dust 9 while passing over the recess 4. Then, as shown in fig. 7 (c), in the cleaning implement 3, the tip end portion of the projection 3g comes into contact with the dust 9 before the root portion, and the projection 3g of the blade 3b moves forward while scraping the dust 9 upward.
In addition, in a state where the tip end portion of the blade 3b is housed in the recess 4, a part of the protrusion 3g is formed between the side portion of the blade 3b at the same height position as the filtering surface and the tip end 3d of the blade 3 b. With this configuration, when the cleaning element 3 abuts on the dust 9, the projection 3g of the scraper can abut on and be scraped upward from the lower side of one end of the dust 9 accumulated on the filter element 1, that is, the filter element 1 side, in a raised manner. At this time, by forming the projection 3g for scraping up the dust 9 on the side portion between the side portion of the blade 3b at the same height position as the filter surface and the tip end of the blade 3b, the projection enters from the lower side of the dust 9 when the projection abuts on the dust 9, and the dust 9 can be reliably scraped up.
Fig. 8 is an explanatory view showing another embodiment of the recess. In fig. 8 (a), the recess 4a is formed in a gently curved surface shape without providing a step. In fig. 8 (b), the recess 4b is formed shallow and is in contact with the blade 3 b. The state of buckling or bending of the scraper 3b in the above state is reduced as compared with the state of contact with the filter member 1, and the resistance applied to the scraper 3b can be reduced when switching from the return stroke to the forward stroke.
Fig. 9 is an explanatory view showing a filter cleaning device according to a second embodiment of the present invention. The filter cleaning device 10a shown in fig. 9 includes: a cleaning device main body 2A; a filter member 1A capable of trapping dust from ventilation; and a cleaning member 11 having a scraper 11b and movable along the filter member 1A to remove the dust 9 attached to the filter member 1A, the scraper 11b having a protrusion 11g formed on a side thereof for scraping up the dust.
Further, the length from the one end 11f to the other end 11d of the cleaning element 11 is longer than the shortest distance from the one end 11f of the cleaning element 11 to the filtering surface 12 of the filter member 1A. Further, a support portion 11e is formed at the tip of the base 11c, the support portion 11e being in contact with the rear side of the scraper 11b in the traveling direction of the cleaning implement 11 during the forward stroke, and the scraper 11b being in contact with the filter element 1A in a state of being bent or curved rearward in the traveling direction during the forward stroke.
The cleaning device body 2A further includes a recess 4c, the recess 4c accommodating the tip of the scraper 11b at the initial position of the cleaning element 11 where the scraper 11b does not slide in contact with the filter element 1A, and a part of the protrusion 11g is formed between the side of the scraper 11b at the same height as the filter surface 12 and the tip 11d of the scraper 11b in the state where the tip of the scraper 11b is accommodated in the recess 4 c. The cleaning device body 2A further includes a recess 4d, and the recess 4d accommodates the tip of the scraper 11b at the forward end position of the cleaning element 11 where the scraper 11b does not slide on the filter member 1A. Since the blade 11b can be released from the bent or curved state by the concave portion 4d, the dust 9 can be ejected from the dust outlet 5.
Fig. 10 (a) and (b) are explanatory views showing another embodiment of the squeegee. In the blade 13b shown in fig. 10 (a), a plurality of projections 13g, 13g are formed on one side surface of the blade 13b, and the projections 13g, 13g function to abut against one end of the dust 9 and to scrape it upward, so that the projection 13g is not formed on the end 13d side of the blade. In the squeegee 14b shown in fig. 10 (b), a plurality of projections 14g and 14g are formed on both side surfaces of the squeegee 14 b. Since the projections 14g and 14g formed on both surfaces of the scraper 14b abut on the filter member 1 in the forward and backward passes, the dust 9 which cannot be removed in the forward pass can be removed in the backward pass.
Industrial applicability
The filter cleaning device of the present invention is used for removing dust adhering to a filter. Further, the dryer of the present invention is used as a dryer provided with a filter cleaning device.

Claims (7)

1. A filter cleaning device, comprising:
a cleaning device main body;
a filter member capable of trapping dust from ventilation; and
a cleaning member which is provided with a scraper and a base for fixing the rear end of the scraper, is movable along the filter member, and removes dust adhering to the filter member, wherein the scraper is provided with a plurality of protrusions for scraping the dust upwards on the side portion,
the length from one end to the other end of the cleaning member is longer than the shortest distance from one end of the cleaning member to the filtering surface of the filter member,
the cleaning device body includes a recess portion that receives a tip end portion of the scraper at an initial position of the cleaning element where the scraper does not come into sliding contact with the filter, and the plurality of projections project substantially parallel to a traveling direction in a state where the tip end portion of the scraper is received in the recess portion,
the cleaning tool has a support portion formed at a distal end of the base and abutting against a rear side of the scraper, and when the filter surface is cleaned in an outward movement, the support portion causes the plurality of projections formed at a side portion of the scraper to abut against the filter surface in a manner of protruding in a substantially vertical direction in a state where the scraper is bent or curved in a rearward direction, and to abut against one end portion of the dust accumulated on the filter member and to be scraped upward.
2. A filter cleaning device as claimed in claim 1, characterized in that the cleaning element is turned or rotated.
3. The filter cleaning device according to claim 2,
the cleaning device main body is provided with a movable mechanism,
the movable mechanism includes:
an operation rod capable of moving back and forth in a direction perpendicular to the rotation axis of the cleaning element; and
and a motion conversion mechanism that converts the linear motion transmitted from the operation rod into a rotational motion.
4. A filter cleaning device, comprising:
a cleaning device main body;
a filter member capable of trapping dust from ventilation; and
a cleaning member which is provided with a scraper and a base for fixing the rear end of the scraper, is movable along the filter member, and removes dust adhering to the filter member, wherein the scraper is provided with a plurality of protrusions for scraping the dust upwards on the side portion,
the length from one end to the other end of the cleaning member is longer than the shortest distance from one end of the cleaning member to the filtering surface of the filter member,
the cleaning device body includes a recess portion that receives a tip end portion of the scraper at an initial position of the cleaning element where the scraper does not come into sliding contact with the filter, and the plurality of protrusions are formed between a side portion of the scraper at a position at the same height as the filter surface and a tip end of the scraper in a state where the tip end portion of the scraper is received in the recess portion, and the plurality of protrusions protrude substantially parallel to a traveling direction in a state where the tip end portion of the scraper is received in the recess portion,
the cleaning tool has a support portion formed at a distal end of the base to abut against a rear side of the scraper, and a plurality of projections formed at side portions of the scraper abut against the filtering surface so as to project in a substantially vertical direction with the scraper bent or curved rearward by the support portion when the filtering surface is cleaned in an outward direction.
5. A filter cleaning device as claimed in claim 4, characterized in that the cleaning element is turned or rotated.
6. The filter cleaning device according to claim 5,
the cleaning device main body is provided with a movable mechanism,
the movable mechanism includes:
an operation rod capable of moving back and forth in a direction perpendicular to the rotation axis of the cleaning element; and
and a motion conversion mechanism that converts the linear motion transmitted from the operation rod into a rotational motion.
7. A dryer, characterized in that a rotary drum is rotatably disposed in a tank and accommodates an object to be dried, warm air generated by an air blowing mechanism and a heating mechanism is circularly supplied into the rotary drum through a circulation duct to dry the object to be dried, and the filter cleaning device according to any one of claims 1 to 6 is provided on a side of the circulation duct where the air is exhausted from the tank.
CN201710947607.4A 2016-10-20 2017-10-12 Filter cleaning device and dryer Active CN107964769B (en)

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JP2016-206222 2016-10-20
JP2016206222 2016-10-20
JP2016213649A JP6635514B2 (en) 2016-10-31 2016-10-31 Filter cleaning device and clothes dryer
JP2016-213649 2016-10-31

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JP7071870B2 (en) * 2018-05-22 2022-05-19 東芝ライフスタイル株式会社 Clothes dryer
JP2020168231A (en) * 2019-04-04 2020-10-15 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co.,Ltd. Washing and drying machine
CN110735293A (en) * 2019-10-12 2020-01-31 青岛海尔洗衣机有限公司 Laundry treating agent container and laundry treating apparatus

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