JP5346552B2 - Filter removal tool - Google Patents

Description

  The present invention is installed near a kitchen, kitchen, cooker, etc. and is mounted on an exhaust device that sucks and exhausts waste gas such as smoke, oil smoke, cooking odor, combustion gas, steam, and oil droplets generated during cooking The present invention relates to a filter attaching / detaching tool used for attaching / detaching a filter.

  As this type of exhaust device, for example, a range hood or a ventilator installed in a kitchen, a cooker, a kitchen or the like is used. When oil is scattered from cooking fats and oils, fish and meat, a large amount of oil and dust adhere to the surface of the range hood and ventilation fan, and it is necessary to remove them. For this reason, a range hood filter for collecting oil smoke, dust and the like is attached to the waste gas suction port of the range hood. Such a range hood filter is, for example, horizontally installed at a waste gas suction port as shown in Patent Document 1 or vertically installed in a forward-tilt posture as shown in Patent Document 2.

  As the filter material, a fiber filter that efficiently collects oil and dust in the exhaust is used. This fiber filter is sold as a sold-out product, and is also widely used as a rental product.

  Conventionally, the main fiber filter consists of the nonwoven fabric filter which cut | judged the nonwoven fabric which bound the long fiber and the short fiber with the binder agent in the predetermined shape.

However, this non-woven filter is clogged by oily smoke and dust collected from waste gas, increasing ventilation resistance and reducing the collection effect. Therefore, it is necessary to frequently replace the filter with a new one. was there.
JP 2000-304325 A JP 2007-271193 A

  The filter is exchanged by a manual operation in which an operator or the like directly attaches / detaches from a range hood or a ventilation fan. For this reason, when replacing the filter, the hands and fingers are soiled by touching the filter contaminated with oil or dust, or adhere to clothes, resulting in a problem that the attaching / detaching operation cannot be performed easily and labor is required.

  In view of the above problems, an object of the present invention is to provide a filter detachment tool that can easily and smoothly perform a filter detachment operation without directly touching a contaminated filter by an operator or the like from a range hood or a ventilation fan. is there.

  A first aspect of the present invention is a filter attaching / detaching tool used for attaching / detaching a filter attached to a filter attaching portion of a range hood or a ventilation fan, the grip portion grasped by a finger of an operator, and the grip portion A filter detachment tool that includes three or more piercing portions extending in the longitudinal direction of the piercing portion, and pierces the open end of the piercing portion into the filter so as to be detached from the filter mounting portion.

  According to a second aspect of the present invention, in the first aspect, the piercing portion includes a center portion connected to the grip portion, a support arm portion extending radially from the center portion, and the support arm. It is a filter removal | desorption tool which consists of a piercing body protrudingly provided by the edge part of the part.

  According to a third aspect of the present invention, there is provided the filter attaching / detaching device according to the second aspect, wherein the support arm portion and the piercing body are connected in a linear shape or a curved shape.

  The 4th form of this invention is the filter removal | desorption tool which the front-end | tip part of the said piercing body bent outward or inward in the said 2nd or 3rd form.

  According to a fifth aspect of the present invention, in the second, third, or fourth aspect, the piercing body is a filter attaching / detaching device made of a wire material planted at an end portion of the support arm portion.

  According to a sixth aspect of the present invention, there is provided the filter attaching / detaching device according to the fifth aspect, wherein the wire is made of any one of a metal, a resin, a ceramic, or a composite material of two or more.

  According to a seventh aspect of the present invention, there is provided the filter attaching / detaching device according to the fourth, fifth or sixth aspect, wherein the wire is made of a wire processed into a crimp shape.

  According to an eighth aspect of the present invention, in any one of the second to seventh aspects, the center portion, the support arm portion, and the piercing body are formed by bending or bending one wire. Filter removal tool.

  According to a ninth aspect of the present invention, in any one of the first to eighth aspects, the ninth aspect of the present invention includes a filter separation member that is movably disposed in a piercing direction of the piercing portion, and the filter separation member is used as the piercing portion. It is a filter detachment tool which removes the filter stabbed into the piercing part by moving in the open end direction.

  According to a tenth aspect of the present invention, in any one of the second to ninth aspects, the filter separation member is slidably received with respect to the central portion, and extends from the slide portion. The filter push-out portion is made to slide in the piercing direction of the piercing portion along the central portion so that the filter push-out portion is brought into contact with the filter pierced into the piercing portion. It is a filter detaching tool that pushes in the direction opposite to the piercing direction.

  According to an eleventh aspect of the present invention, in the tenth aspect, the eleventh aspect has urging means for urging the filter pushing portion in the direction opposite to the open end direction, and resists the urging force of the urging means. It is a filter detachment tool that moves the filter push-out part to detach the filter pierced by the piercing part.

  According to a twelfth aspect of the present invention, in the ninth, tenth, or eleventh aspect, the filter push-out unit is a filter detaching tool including a hollow body into which the piercing body is loosely inserted.

  According to the first aspect of the present invention, the grip portion is gripped, and the open ends of the three or more piercing portions extending in the longitudinal direction of the grip portion are attached to the filter of the range hood or the ventilation fan. Since it can be easily held by piercing the filter attached to the part, the filter can be removed and attached easily and smoothly without directly touching the dirty filter. The filter can be held by piercing the filter even with one cone-shaped or two forked ones. However, since the problem of falling off easily during work occurs, the number of the piercing portions is at least 3 More than this is preferred.

  According to the second aspect of the present invention, the piercing portion includes a central portion connected to the grip portion, a supporting arm portion extending radially from the central portion, and an end portion of the supporting arm portion. Because it consists of a projecting piercing body, it spreads radially in front of the grip portion, rather than pinpointing the cone-shaped pinpoint or the bifurcated one in two lines The three or more piercing bodies can be reliably held in the piercing surface area formed at the piercing position of each piercing body with respect to the surface of the filter, and the filter does not easily fall off during work. The filter can be removed and attached smoothly.

  According to the third aspect of the present invention, since the support arm portion and the piercing body are connected in a straight line or a curved shape, the support arm portion and the piercing body can be easily integrated by wire processing or molding processing. It becomes possible to form an inexpensive filter attaching / detaching tool.

  According to the fourth aspect of the present invention, since the tip portion of the piercing body is bent outward or inward, the tip portion is entangled with the fiber of the filter, and the filter can be held more reliably. The filter can be removed and attached easily and smoothly.

  According to the fifth aspect of the present invention, since the piercing body is made of a wire planted at the end of the support arm portion, the piercing body whose open end faces the front of the grip portion is used as the support arm. It can be easily formed at the end of the part, and an inexpensive piercing filter attaching / detaching tool can be obtained.

  According to the sixth aspect of the present invention, since the wire is made of any one of metal, resin, ceramics, or a composite material of two or more kinds, for example, the metal wire is bent to The piercing body can be easily formed integrally, and an inexpensive piercing filter attaching / detaching tool can be obtained. The cross-sectional shape of the wire can be a round shape, a square shape, or a flat plate shape.

  A common filter is a fiber filter knitted with long fibers and / or short fibers. Since the fiber filter is made of a material that has many voids between entangled fibers and is easy to pierce, it is not necessary to give extra strength to the piercing body itself. Therefore, for example, a piercing body can be easily formed by molding or welding a resin (or plastics) or a ceramic wire at the end of the support arm portion, and an inexpensive piercing filter attaching / detaching tool is obtained. be able to. A thermoplastic resin such as acrylic (PMMA), polycarbonate (PC), ABS resin, or polystyrene (PS) can be used for the resin base material. In addition, you may form not only the raw material of a single composition but the piercing body excellent in durability using the reinforced plastics containing glass fiber.

  Filter retainability can be enhanced by using a material that is easily entangled with the constituent fibers of the fiber filter as the wire. That is, according to the seventh aspect of the present invention, since the crimped wire, that is, a zigzag-shaped wire is used, the piercing body that is easily entangled with the filter fiber can be formed, and the filter holding force can be improved. .

  According to the eighth aspect of the present invention, since the central portion, the support arm portion, and the piercing body are formed by bending or bending one wire, for example, steel, stainless steel, iron The central part, the supporting arm part, and the piercing body are integrally bent or bent using a wire wire (diameter: about 0.35 mm to 5 mm) such as a UNIQLO plated wire or a vinyl coated iron wire, so that it is inexpensive. It is possible to obtain a simple piercing filter removal tool.

  The filter pierced and held by the filter attaching / detaching tool according to the present invention can detach the pierced filter from the piercing portion by grasping the grip portion and shaking lightly. However, there is a possibility that dirt substances will be scattered from the waste filter into the house or the like during the shaking off. Therefore, according to the ninth aspect of the present invention, the filter separation member is disposed so as to be movable in the piercing direction of the piercing portion, and the filter separating member is moved in the opening end direction of the piercing portion. Thus, the filter that has pierced the piercing portion is removed, so that the filter separating member can be moved and the filter pierced toward a desired collection place without shaking the filter detachment tool or grasping the filter. The filter can be easily detached from the section, and the filter removal operation can be performed cleanly and easily without scattering dirt substances in the home.

  According to a tenth aspect of the present invention, the filter separating member includes a slide portion that is slidably received with respect to the center portion, and a filter push-out portion that extends from the slide portion, and the slide By sliding the portion along the center portion in the piercing direction of the piercing portion, the filter push-out portion is brought into contact with the filter pierced into the piercing portion and pushed out in a direction opposite to the piercing direction. By simply sliding the slide portion with respect to the center portion, the filter push-out portion can push the filter pierced into the piercing portion forward from the grip portion and can be detached with a single touch. The filter desorption operation can be performed cleanly and easily without scattering the material.

  According to an eleventh aspect of the present invention, there is provided a biasing means for biasing the filter pushing portion in the direction opposite to the open end direction, and the filter pushing portion is resisted against the biasing force of the biasing means. Since the filter pierced by the piercing portion is moved away, the filter push-out portion is normally biased in the direction opposite to the open end direction by the biasing force of the biasing means, It does not interfere with the filter piercing work by the piercing portion. Therefore, after the filter piercing operation, the filter push-out portion can be moved against the biasing force to push out the filter pierced into the piercing portion and be released with one touch. It is possible to obtain a piercing filter attaching / detaching tool that can be easily performed only by the above operation.

  According to the twelfth aspect of the present invention, since the filter push-out portion is formed of a hollow body into which the piercing body is loosely inserted, the filter push-out portion can be formed to overlap the piercing body, and the piercing portion and the filter The structure of the extrusion portion can be made compact, and a filter attaching / detaching tool that can be easily carried and stored can be obtained.

A filter attaching / detaching device according to an embodiment of the present invention will be described below with reference to the drawings.
1 to 6 each show an embodiment in which a piercing portion is formed using a wire wire (hereinafter referred to as a crimp wire) processed into a crimp shape.
The crimp shape of the wire in the present embodiment means a zigzag shape, and the wire is entangled with the filter fiber and has a property that it is difficult to come out of the filter. However, the wire rod of the present invention includes, in addition to the crimp wire, a linear wire rod, a wire rod having a property that the peripheral surface of the wire rod is deformed or roughened into a concavo-convex shape, and is entangled with the filter fiber, and periodically abacus balls It goes without saying that various shapes of wire can be used, such as a wire having the property of being entangled with the filter fiber by changing the cross-sectional diameter of the wire, or a wire having a property of being entangled with the filter fiber by being twisted along the longitudinal direction. Absent. The crimp wire uses a round wire having a circular cross section, but the wire of the present invention may have a square or flat plate cross section.
FIG. 1 is an external perspective view showing a filter detaching tool of Example 1. FIG. The filter attaching / detaching device according to the first embodiment includes a grip portion 1 grasped by an operator's fingers and four piercing portions radially extended in the longitudinal direction of the grip portion 1. Each piercing portion is formed by bending a crimp wire in two stages, and the end portions thereof are bound to each other to constitute a core material (center portion) 2 of the grip portion 1.

  A covering tape is wound around the outer periphery of the core material 2 so that the grip portion 1 can be easily gripped. The grip portion 1 may be formed by inserting the core material 2 into the grip pattern of the bottomed cylindrical hollow body to cover the outer periphery of the core material. Wood, metal, and resin can be used for the material of the grip pattern. Further, a thermosetting resin may be coated on the outer periphery of the core material 2 for coating.

  As the crimp wire, a metal wire bent at a pitch of several mm to about 1 cm at a pitch of 5 ° to 20 ° with respect to the center line can be used so as to be entangled with the filter fiber. The wire diameter is about 0.35 mm to 5 mm, and as the wire material, for example, steel, stainless steel, iron unichrome plating wire or vinyl coated iron wire can be used. Each piercing portion includes a supporting arm portion 3 extending radially from the end portion of the core member 2 and a piercing body 4 extending outwardly from the end portion of the supporting arm portion 3.

  In the first embodiment, one pierced part is formed by bending one crimp wire, but it is folded at the end to form another pierced part, and two pieces are formed by one crimp wire. You may make it form the piercing part.

  In each of the four piercing portions, the support arm portion 3 and the bending point of the piercing body 4 are connected to form a rectangular 5 radial shape. When the open ends of the piercing body 4 are connected, a radial shape of the rectangle 6 that is 1.5 to 3 times larger than the area of the rectangle 5 is formed. The piercing body 4 has a length that penetrates the thickness of the filter. By using a crimp wire that is easily entangled with the filter fiber, the length of the piercing body 4 can be given a sufficient filter holding force even if it is about the thickness of the filter.

  For example, when removing a used filter attached to a range hood or a ventilation fan, the filter detaching tool according to the first embodiment holds the grip portion 1 and opens the open end of the piercing body 4 on the filter surface of the used filter. The piercing body 4 is entangled and held in the filter fiber, and the filter can be detached from the range hood or the ventilation fan. Similarly, when the used filter that has been temporarily removed in the cleaning of a range hood or a ventilation fan is mounted again, similarly, the open end of the piercing body 4 is directed to the filter surface of the temporarily placed filter in use. By piercing, the piercing body 4 is held by being entangled with the filter fiber and can be attached to a range hood or a ventilation fan.

  According to the first embodiment, four piercing bodies that are spread radially in front of the grip portion 1 instead of being pinched in a conical shape and pinpointed or in a bifurcated shape in two places. 4, the piercing surface region (four point region corresponding to the frame of the rectangle 6) formed at the piercing position of each piercing body with respect to the surface of the filter can be securely held, and the filter can be easily used during work. The filter can be removed and attached smoothly without falling off.

  In order to further improve the filter holding force by the piercing body 4, the distal end portion 7 of the piercing body 4 may be bent outward.

  FIG. 2 is an external perspective view showing a filter detaching tool of Example 2 using a crimp wire. Since the distal end portion 7 that spreads outwardly enters between the fibers and becomes entangled, the filter can be held more reliably and the filter demounting operation can be performed easily and smoothly. If the tip portion 7 is deformed so as to enter the direction different from the piercing direction, it becomes easy to get entangled between the fibers. May be.

  FIG. 3 is an external perspective view showing a filter detaching tool of Example 3 using a crimp wire. In FIG. 3, the same components as those in FIGS. 1 and 2 are denoted by the same reference numerals. The filter attachment / detachment tool according to the third embodiment has a piercing portion configured by three piercing bodies 9 with respect to the first and second embodiments of the four piercing bodies. The grip portion 1 and each piercing portion are formed by bending a crimp wire in two stages as in the first and second embodiments.

  Each of the three piercing portions has a support arm portion 8 and a piercing body 9 that are extended with respect to the grip portion 1. When the supporting arm portion 8 and the bending point of the piercing body 9 are connected, a radial shape of an isosceles triangle 10 is formed. When the open ends of the piercing bodies 9 are connected, a radial shape of an isosceles triangle 11 that is about 1.5 to 3 times larger than the area of the isosceles triangle 10 is formed.

  In the filter attaching / detaching device according to the third embodiment, when removing the filter, for example, the grip portion 1 is held with the bottom sides of the isosceles triangles 10 and 11 facing downward, and the open end of the piercing body 9 is directed to the filter surface. By piercing, the piercing body 9 can be entangled with the filter fiber and held by three-point support. In the case of the fourth embodiment, the filter holding force equivalent to the four-point support in the first and second embodiments of the four piercing bodies can be obtained by the three-point support by the three piercing portion configuration. Cost can be reduced. The piercing surface region formed by the open end of the piercing body 9 is not limited to an isosceles triangle, and may be an equilateral triangle.

  FIG. 4 is an external perspective view showing a filter attaching / detaching device of Example 4 using a crimp wire. In FIG. 4, the same components as those in FIGS. 1 to 3 are denoted by the same reference numerals. In the first to third embodiments, the piercing bodies 4 and 9 are extended through the support arm portions 3 and 8 that are spread forward with respect to the grip portion 1 by wire bending. On the other hand, in the fourth embodiment, the support arm portion 12 is arranged in a direction substantially orthogonal to the grip portion 1 by wire bending. The piercing body 13 is bent at a right angle from the terminal end of the support arm portion 12 and faces forward. The four support arm portions 12 are located on one plane, and the end portions of the respective piercing portions are bound so that the respective crossing angles θ1 and θ2 are different. The crossing angle θ2 is about twice as large as θ1.

  For example, when the shape of the filter attached to the range hood is a rectangle and the filter is vertically elongated, it is necessary to work with a balance in the vertical direction when removing and attaching the filter. Therefore, according to the filter attachment / detachment tool according to the fourth embodiment, when removing the filter, for example, the crossing angle θ1 is set to the upper side, that is, the gripping direction is such that the direction in which the two piercing bodies 13 approach is up and down. By holding the part 1 and piercing the filter surface with the open end of the piercing body 13 facing the filter fiber, the piercing body 9 is entangled with the filter fiber and is supported at four points and firmly held in a state of supporting two points at the top and bottom. can do. In the fourth embodiment, since the support arm portion 12 is arranged in a direction substantially orthogonal to the grip portion 1, the length from the open end of the piercing body 13 to the end of the grip portion 1 is minimized. Thus, a small or compact configuration can be achieved.

In the said Examples 1-4, the support arm parts 3, 8, and 12 are extended from the base part of the core material (center part) 2, and also the terminal of each support arm part is bent, and the piercing bodies 4, 9, and 13 are used. Although formed, the piercing portion according to the present invention includes a linear portion in which a piercing body is formed by extending one wire rod radially and linearly from the root portion of the central portion.
FIG. 5 shows Example 5 which consists of the said linear form piercing part. The filter attachment / detachment tool of the fifth embodiment has a piercing portion composed of three piercing bodies 9A as in the third embodiment. The grip part 1 and each piercing part are formed by bending a crimp wire in the same manner as in the first to fourth embodiments. Each piercing body 9A extends at an acute angle from the base portion 1A of the grip portion 1, and forms a triangle 11A when the open ends of the piercing body 9A are connected.

  In the filter attaching / detaching device according to the fifth embodiment, the grip portion 1 is gripped and pierced with the open end of the piercing body 9A facing the filter surface, whereby the piercing body 9A is entangled with the filter fiber and held by three-point support. Can do. According to the fifth embodiment, since the supporting arm portion and the piercing body are integrally formed in a straight line, the piercing filter attaching / detaching device can be easily manufactured by bending the crimp wire once and an inexpensive piercing filter attaching / detaching tool is provided. Can be obtained.

In addition, the piercing portion according to the present invention includes a curved portion in which a piercing body is formed by extending one wire rod radially and arcuately from the base portion of the central portion.
FIG. 6 shows Example 6 which consists of the said curved-shaped piercing part. The filter attachment / detachment tool of the sixth embodiment has a piercing portion composed of four piercing bodies 4A as in the first embodiment. The grip part 1 and each piercing part are formed by bending a crimp wire in the same manner as in the first to fifth embodiments. Each piercing portion extends outwardly from the root portion 1A of the grip portion 1 to form a curved support arm portion 3A. From the end of the support arm 3A, a piercing body 4A extends substantially parallel to the longitudinal direction of the grip portion 1, and a quadrangular 6A is formed by connecting each of the open ends of the piercing body 4A.

  In the filter attaching / detaching device according to the sixth embodiment, the piercing body 4A is entangled with the filter fiber by holding the grip portion 1 and piercing the filter face with the open end of the piercing body 4A, and is supported by four-point support. Can do. According to the sixth embodiment, since the supporting arm portion and the piercing body are integrally formed in a curved shape, the crimp wire can be easily manufactured simply by bending and bending the crimp wire at the root portion 1A. A mold filter removal tool can be obtained.

7 to 13 show another embodiment in which a detaching means for easily detaching the filter pierced and held by the filter detaching tool is provided integrally with the detaching tool main body.
FIG. 7 is an external perspective view of the filter attaching / detaching device according to the present embodiment. 8 is a partially cutaway side view of the filter attaching / detaching tool of FIG. This filter attaching / detaching device includes a main body 20 having four piercing bodies 22 and a filter removing movable body 21 which is attached to the main body 20 integrally and slidably.

  FIG. 9 is a partially cutaway side view of the main body 20. FIG. 10 is a top view of the main body 20. The main body portion 20 is arranged in a direction orthogonal to the hollow shaft portion 30 in which the support arm portion 24 is connected to the grip portion 23 as in the fourth embodiment of FIG. The piercing body 22 is implanted perpendicularly to the terminal end portion 25 of the support arm portion 24. The four support arm portions 24 and the center portion 29 have shapes that are radially combined with each other from the center portion 29 and are formed of die cast metal. That is, the main body portion 20 in which the four support arm portions 24 are extended with respect to the grip portion 23 corresponds to the crossing angle θ1 = θ2 in FIG. A groove 28 is formed in the arm portion of the support arm portion 24 in the longitudinal direction to reduce the weight by partially reducing the thickness. The piercing body 22 is made of a wire piece obtained by cutting a crimp wire shortly, and one end of the piercing body 22 is inserted into a through hole 27 provided in the terminal end portion 25, and the open end is inserted by a pin 26 press-fitted from the through hole in the outer side portion of the terminal end portion 25 It is fixed in the vertical state facing outward.

  The distal end of the hollow shaft portion 30 is press-fitted into the central hole portion of the center portion 29, and the hollow shaft portion 30 is connected. The grip portion 23 is made of a wooden grip handle, and the grip portion 23 is attached and formed by press-fitting the other end of the hollow shaft portion 30 into the through hole portion of the grip handle.

  FIG. 11 is a top view of the movable body 21 for removing the filter. FIG. 12 is a partially cutaway side view of the filter separating movable body 21. The movable body 21 has four support arms 33 extending radially from the central portion 40. A slide shaft 32 is press-fitted and fixed in the central hole of the central portion 40. The four support arms 33 are formed by die-casting metal so as to have substantially the same cross shape as the whole with respect to the shape of the main body portion 20. A groove 37 is also formed in the support arm 33 along the longitudinal direction to reduce the weight by partially reducing the thickness. A filter push-out body 34 made of a hollow body projects from the distal end portion 36 of each support arm 33 upward. The filter extrudate 34 has a hollow portion 35 into which the piercing body 22 is loosely inserted.

  As shown in FIG. 8, the slide shaft 32 is slidably inserted into the through hole of the hollow shaft portion 30. In this inserted state, each filter pusher 34 is overlapped with the movable body 21 in contact with the main body 20 so that the piercing body 22 passes through the hollow portion 35. A lever slide opening 31 along the axial direction is cut out in a part of the hollow shaft portion 30. As shown in FIG. 12, a lever mounting screw portion 39 is screwed to the lower end side of the slide shaft 32, and the operation lever 38 is attached to the screw portion 39 in a state where the slide shaft 32 is inserted into the hollow shaft portion 30. Screwed. Further, as shown in FIG. 8, a spring 41 is inserted between the center portion 29 of the four support arm portions 24 and the operation lever 38, and the operation lever 38 is pressed to bring the movable body 21 into the grip portion 23. Always energized in the direction of pulling to the side. The lever slide opening 31 is set such that each filter pusher 34 can move forward beyond the length of the piercing body 22 from the contact state of the movable body 21 and the main body 20.

  When the used filter attached to the range hood or the ventilation fan is removed using the filter attaching / detaching tool according to the embodiment of FIG. 7, the grip portion 23 is gripped and the open end of the piercing body 22 is directed to the filter surface. By piercing, the piercing body 22 is entangled and held in the filter fiber, and the filter can be detached from the range hood or the ventilation fan. At this time, as shown in FIG. 5, the operation lever 38 is pressed by the bias of the spring 41, and the movable body 21 is held in the direction of being pulled toward the grip portion 23, and the open end of the piercing body 22 is sufficiently It is exposed to and does not affect the piercing work.

  FIG. 13 is a partially cutaway side view for explaining the filter detaching action of the filter detaching tool according to the embodiment of FIG. When the stabbed filter is detached, the operation lever 38 is pushed along the lever slide opening 31 against the urging force of the spring 41 which is the urging means while grasping the grip portion 23, thereby pushing out the filter. The body 34 is moved forward. When each filter pusher 34 moves forward by a length equal to or longer than the length of the piercing body 22 by pushing the operation lever 38, the filter F that has entered deeply into the piercing body 22 is pushed out and detached.

  Therefore, the contaminated filter F can be easily detached toward the desired collection place by simply operating the operating lever 38 without shaking the filter attaching / detaching tool or grasping the filter. The filter demounting work can be performed cleanly and easily without scattering dirt substances in the house. Moreover, the filter pusher 34 is normally biased in the direction opposite to the open end direction of the piercing body 22 by the biasing force of the spring 41, and does not hinder the filter piercing work by the piercing body 22, and the filter piercing work And the detachment work can be easily performed only by the operation of the fingers. Further, the filter pusher 34 is formed of a hollow body into which the piercing body 22 is loosely inserted, and the movable body 21 and the main body 20 can be brought into close contact with each other by the urging force of the spring 41, so that the overall configuration is made compact. Therefore, it is possible to obtain a filter attaching / detaching tool that is easy to operate and convenient to carry and store. The movable body 21 and / or the main body 20 may be made of resin or plastic to reduce the weight.

  It should be noted that the present invention is not limited to the above-described embodiment, and various modifications, design changes and the like within the scope not departing from the technical idea of the present invention are included in the technical scope. Nor.

  ADVANTAGE OF THE INVENTION According to this invention, the filter attaching / detaching tool which can be used in a range hood or a ventilation fan, and can perform filter attaching / detaching work simply and smoothly without directly touching a filter with a great deal of dirt can be provided.

It is an external appearance perspective view of the filter removal | desorption tool of Example 1 in one Embodiment of this invention. It is an external appearance perspective view of the filter removal | desorption tool of Example 2 in the said embodiment. It is an external appearance perspective view of the filter removal | desorption tool of Example 3 in the said embodiment. It is an external appearance perspective view of the filter attachment / detachment tool of Example 4 in the said embodiment. It is an external appearance perspective view of the filter removal | desorption tool of Example 5 in the said embodiment. It is an external appearance perspective view of the filter attachment / detachment tool of Example 6 in the said embodiment. It is an external appearance perspective view of the filter attaching / detaching tool which concerns on another embodiment of this invention. It is a partially cutaway side view of the filter attaching / detaching tool of FIG. It is a partially cutaway side view of the main-body part 20 which comprises the filter removal | desorption tool of FIG. FIG. 3 is a top view of the main body 20. It is a top view of the movable body 21 for filter removal provided in the filter attaching / detaching tool of FIG. FIG. 3 is a partially cutaway side view of the movable body 21. It is a partially cutaway side view for demonstrating the removal | desorption effect | action of the filter removal tool of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Grip part 1A Root part 2 Core material 3 Support arm part 3A Support arm part 4 Puncture body 4A Puncture body 5 Rectangle 6 Rectangle 6A Square shape 7 Tip part 8 Support arm part 9 Puncture body 9A Puncture body 10 Isosceles triangle 11 Isosceles triangle 11A Triangle 12 Support arm part 13 Puncture body 20 Main body part 21 Movable body 22 Puncture body 23 Grip part 24 Support arm part 25 Terminal part 26 Pin 27 Through hole 28 Groove 29 Center part 30 Hollow shaft part 31 Lever slide opening part 32 Slide shaft 33 Support arm 34 Filter extruded body 35 Hollow portion 36 Tip portion 37 Groove 38 Operation lever 39 Screw portion 40 Center portion 41 Spring θ1 Crossing angle θ2 Crossing angle F Filter

Claims (11)

A filter detachment tool used for attachment / detachment of a filter attached to a filter attachment part of a range hood or a ventilation fan, which is extended in the longitudinal direction of the grip part, grasped by an operator's fingers, And a filter separating member disposed so as to be movable in the piercing direction of the piercing portion, having an open end of the piercing portion pierced into the filter and detached from the filter mounting portion. The filter detaching tool , wherein the filter piercing the piercing portion is detached by moving the filter separating member in the opening end direction of the piercing portion . The piercing portion includes a center portion connected to the grip portion, a support arm portion extending radially from the center portion, and a piercing body protruding from an end portion of the support arm portion. The filter attaching / detaching device according to 1. The filter attaching / detaching device according to claim 2, wherein the support arm portion and the piercing body are connected in a linear shape or a curved shape. The filter attaching / detaching device according to claim 2 or 3, wherein a tip portion of the piercing body is bent outward or inward. The filter attaching / detaching device according to claim 2, 3 or 4, wherein the piercing body is made of a wire material planted at an end of the support arm portion. The filter desorber according to claim 5, wherein the wire is made of a metal, resin, ceramic, or a composite material of two or more. The filter removing / attaching device according to claim 5 or 6, wherein the wire is made of a crimp-shaped wire. The filter attaching / detaching device according to any one of claims 2 to 7, wherein the central portion, the support arm portion, and the piercing body are configured by bending or bending one wire. The filter separating member includes a slide portion that is slidably disposed with respect to the center portion, and a filter push-out portion that extends from the slide portion, and the slide portion extends along the center portion to the piercing portion. The filter detachment according to any one of claims 1 to 8 , wherein the filter push-out portion is brought into contact with the filter pierced into the piercing portion and pushed out in a direction opposite to the piercing direction by sliding in the piercing direction. Ingredients. There is a biasing means for biasing the filter push-out part in the direction opposite to the open end direction, the filter push-out part is moved against the biasing force of the biasing means, and is stuck into the piercing part The filter attaching / detaching device according to claim 9 , wherein the filter is detached. The filter attaching / detaching device according to claim 9 or 10 , wherein the filter push-out portion is a hollow body into which the piercing body is loosely inserted.

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