JP4958101B2 - Filter fixture and flameproofing tool for filter fixture - Google Patents

Description

  The present invention relates to a filter attachment for attaching a sheet-like filter to an exhaust ventilation device that exhausts hot air generated during cooking to the outside, and a flameproof device for the filter attachment.

  Conventionally, in order to exhaust hot air and odor generated when cooking foods using a heating cooker such as a gas stove or IH stove, for exhausting above the area where cooking is performed (heating cooking area) A ventilation device (a ventilation fan or a range hood type ventilation fan) is generally installed.

  As described above, the exhaust ventilator exhausts (exhausts) hot air or the like accompanying cooking to the outside and ventilates the room, so that an air intake fan or the like is provided along with the ventilation. Oil stains will adhere inside. Therefore, it is necessary to periodically remove oil stains (cleaning work), but the oil stains are very difficult to remove, and the cleaning work becomes very complicated. Therefore, in order to prevent the inflow of oil into the apparatus and simplify the cleaning, a filter attachment tool is provided for attaching the filter to the exhaust ventilation device in a replaceable (detachable) manner.

  As shown in FIG. 9, such a filter attachment includes a frame main body 151 configured to form a frame-shaped opening region 150 and a sheet-like filter F that can be disposed so as to cover the opening region 150. And a filter holding frame 152 that holds the outer peripheral edge of the filter F disposed on the frame main body 151 toward the frame main body 151 and holds the filter F between the frame main body 151 and the filter main body 151. In addition, the filter F employ | adopted as this filter fixture is comprised with the resin-made nonwoven fabric etc. which have air permeability and a flame retardance, in order to let the hot air accompanying heat cooking pass.

  As shown in FIG. 10, the filter fixture having the above-described configuration is in a state in which the filter F is opposed to the intake port 101 of the exhaust ventilation device 100 (a state in which the intake port 101 is covered with the filter F). By being attached to 100, it is possible to prevent oil and the like from entering the inside of the exhaust ventilation device 100 while ensuring air permeability during ventilation (exhaust).

  In addition, the filter fixture having the above-described configuration allows the filter F to be replaced by removing the filter holding frame 152. When the filter F is clogged or the like, it becomes a new filter F having good air permeability. By replacing it, the fall of ventilation efficiency is prevented.

  By the way, as described above, the filter F is a consumable part that is replaced with a new one when clogging or the like occurs. Depending on the material of the filter F, there is a material that has air permeability but shrinks when heat is applied for a long time.

  Therefore, depending on the filter F to be applied, when a haze (small fire) occurs in the cooking area below the filter fixture (for example, igniting cooking oil used when frying fried food such as tempura) The filter F may be contracted by the heat when the fire pillar is raised.

  When the filter F contracts in this way, the opening area 150 of the frame body 151 covered with the filter F is opened, and the flame (fire pillars, sparks, etc.) in the cooking area is exhausted inside the exhaust ventilation device 100 (for example, a duct). There is a concern that the flame that reaches the exhaust ventilation device 100 and reaches the exhaust fan may cause fire spread. That is, in the exhaust ventilator 100, dust often adheres with daily ventilation, so if the flame enters the inside, the dust may catch fire, which may cause fire spread. There's a problem.

  Therefore, in view of such a situation, the present invention can perform smooth ventilation, and even if a fire is suddenly raised in the cooking region, the flame of the exhaust ventilation device in the upper region can be prevented. It is an object of the present invention to provide a filter fixture and a flameproof member for the filter fixture that can prevent the spread of fire by suppressing passage.

A filter fixture according to the present invention has a frame shape to form an opening area, and a frame body in which a sheet-like filter having air permeability is disposed so as to cover the opening area, and the opening area of the frame body. A filter holding frame for holding the filter by pressing the outer peripheral edge of the filter arranged so as to cover the frame body, and on the exhaust path of the exhaust ventilation device installed above the cooking area A filter mounting tool in which the frame body is detachably mounted on the exhaust ventilation device so as to interpose a filter, and is disposed so as to face at least substantially the entire area of the opening area, and a cooking area. The flameproof member configured to allow air to flow between the exhaust ventilator and the flameproof member and the filter covering the opening region are spaced apart from each other by a predetermined distance. And a connecting member for connecting the member and the frame body or the filter holding frame, wherein the flameproof member is disposed on the inner side of the exhaust ventilator than filter characterized Rukoto. Here, the “exhaust path” is a flow path of the exhausted air (hot air) and includes the vicinity of the intake port of the exhaust ventilator. Therefore, “with a filter on the exhaust path” means that a filter is placed at the intake port or a filter is placed at a position deeper than the intake port, as well as the intake port of the exhaust ventilator. It also includes disposing a filter so as to cover from the outside.

  According to the filter fixture according to the above configuration, since the flameproof member is disposed so as to face substantially the entire opening area defined by the frame body, even if a fire breaks out on the lower side of the filter fixture, the flameproof member is prevented. The presence of the flame member prevents the flame from reaching the exhaust ventilator.

That is, since the flame member is disposed on the upper side than the filter (the inner side of the exhaust ventilator), the filter is contracted by heat of the flame from the cooking area of the lower side, an opening defining the frame body Even if at least a part of the region is in an open state, the flame is blocked by the flameproof member, and the passage of the flame to the inside of the exhaust ventilation device is blocked from the flameproof member. Thereby, the flame from a heating cooking area | region does not reach | attain in the exhaust ventilation apparatus, and it can prevent the fire spread from a heating cooking area | region.

  And since the flameproof member is arrange | positioned at intervals with respect to a filter, the filter attachment tool does not adhere the dirt adhering to a filter directly to a flameproof member. Moreover, since the flameproof member is shaped so as to allow air to flow between the cooking area and the exhaust ventilation device, daily ventilation is not hindered.

  As one aspect of the filter fixture according to the present invention, the flameproof member is composed of a plate material set to a size approximately equal to or larger than the opening region, and forms an air circulation path around the flameproof member. The air may be allowed to flow between the cooking area and the exhaust ventilation device. In this way, the flame can be reliably shielded by the flameproof member made of the plate material, and the hot air from the cooking area before passing through the filter or before passing through the filter is surrounded by the flameproof member ( It can be made to circulate in the exhaust ventilator through the distribution channel.

Moreover, by configuring the flameproof member with a plate material, an air flow along the flameproof member can be created, and the flameproof member can function as a current plate .

  As another aspect of the filter fixture according to the present invention, the flameproof member is formed with a plurality of through-openings, and the plurality of openings form an air flow path, and the heating cooking area and the exhaust ventilation device It may be configured to allow air flow between them. In this way, the flame can be blocked by the non-opening portion of the flameproof member, and a plurality of hot air from the cooking area that has passed through the filter or before passing through the filter is formed on the flameproof member. It can be distributed through the opening (distribution path) into the exhaust ventilation device.

  As another aspect of the filter fixture according to the present invention, the connecting member is configured to be able to be engaged and disengaged with respect to at least one of the frame main body and the filter holding frame while the flameproof member is fixed. May be. If it does in this way, since a flameproof member can be removed by canceling | releasing (removing) the latching state of the connection material with respect to a frame main body or a filter holding frame, a flameproof member can be cleaned easily.

A flameproof device for a filter fixture according to the present invention includes a frame main body in which a frame-like opening region is formed, and a breathable sheet-like filter is disposed so as to cover the opening region, and the frame A ventilating apparatus for exhaust gas provided with a filter holding frame for holding the filter by pressing the outer peripheral edge of the filter disposed so as to cover the opening area of the main body toward the frame main body and holding the filter The frame main body is a flameproofing tool for a filter attachment that is detachably attached to the exhaust ventilation device so that a filter is interposed on the exhaust path of the exhaust passage, and faces the substantially entire region of the opening region. A flameproof member disposed; and a coupling material to which the flameproof member is coupled and configured to be detachable from at least one of the frame main body and the filter holding frame. Body or The flameproof member is arranged at a predetermined interval with respect to the filter that covers the opening region in a state where the flameproof member is locked to any one of the heater holding frames. is shaped set to allow communication of air between the exhaust ventilator, it is arranged on the inner side of the exhaust ventilator than filter characterized Rukoto. Here, the “exhaust path” is a flow path of the exhausted air (hot air) and includes the vicinity of the intake port of the exhaust ventilator. Therefore, “with a filter on the exhaust path” means that a filter is placed at the intake port, and a filter is placed at a position deeper than the intake port. It also includes disposing a filter so as to cover from the outside.

  According to the flameproof tool for a filter fixture according to the above configuration, since the connecting member is configured to be detachable from either the frame main body or the filter holding frame, the conventional filter without the flameproof tool. Can be attached to a fixture. Specifically, by locking the connecting material to either the frame body or the filter holding frame, the flameproof member is disposed so as to face substantially the entire opening area defined by the frame body. Even if a fire breaks out below the filter fixture, the presence of the flameproof member prevents the flame from reaching the exhaust ventilator.

That is, flameproof member to be disposed on the upper side (inner side of the exhaust ventilator) than filters, filters shrinks by heat of the flame that broke out cooking area of the lower side to define a frame body Even when at least a part of the open area is in an open state, the flame is blocked by the flameproof member, and the passage of the flame to the inside of the exhaust ventilation device is blocked from the flameproof member. Thereby, the flame from a heating cooking area | region does not reach | attain in the exhaust ventilation apparatus, and it can prevent the fire spread from a heating cooking area | region.

  And since the flameproof member for filter attachments is arrange | positioned at intervals with respect to a filter, the dirt adhering to a filter does not adhere to a flameproof member directly. In addition, since the flameproof member is configured to allow air to flow between the cooking area and the exhaust ventilation device, normal ventilation is not hindered.

  As one aspect of the flameproofing tool for a filter fixture according to the present invention, the flameproofing member is made of a plate material that is smaller than the outer shape of the frame main body and set to a size that is substantially equal to or larger than the opening region, An air flow path may be formed around the flameproof member to allow air flow between the cooking area and the exhaust ventilation device. In this way, the flame can be reliably shielded by the flameproof member made of the plate material, and the hot air from the cooking area before passing through the filter or before passing through the filter is surrounded by the flameproof member ( It can be made to circulate in the exhaust ventilator through the distribution channel.

Moreover, if the flameproof member is made of a plate material in this way, an air flow along the flameproof member can be created, and the flameproof member can function as a current plate .

  As another aspect of the flameproofing tool for the filter fixture according to the present invention, the flameproofing member has a plurality of through-openings, and the plurality of openings form an air flow path, and the cooking area and the exhaust are exhausted. You may be comprised so that the distribution | circulation of the air between ventilation apparatuses may be permitted. In this way, the flame can be blocked by the non-opening portion of the flameproof member, and a plurality of hot air from the cooking area that has passed through the filter or before passing through the filter is formed on the flameproof member. It can be distributed through the opening (distribution path) into the exhaust ventilation device.

  As described above, according to the filter fixture and the flameproof device for the filter fixture according to the present invention, smooth ventilation can be performed, and even if a fire is suddenly raised in the cooking region, the An excellent effect of preventing the spread of fire by suppressing the passage of flame to the exhaust ventilation device side in the upper region can be achieved.

  Hereinafter, a filter fixture according to an embodiment of the present invention will be described with reference to the accompanying drawings.

  First, prior to the description of the filter attachment according to the present embodiment, an exhaust ventilation device to which the filter attachment is applied will be schematically described. The exhaust ventilator is a heating cooker (a region where heating cooking is performed: a heating cooking region) for exhausting hot air generated when cooking using a cooking device such as a gas stove or IH stove to the outside. In general, the exhaust ventilator has a hood having an intake port 101 that opens downward facing a cooking region (not shown) as shown in FIGS. 1 (a) and 1 (b). 102 and an intake fan (not shown) for exhausting hot air in the cooking area to the outside through the intake port 101.

  In the exhaust ventilator 100, as shown in FIG. 1 (a), a substantially entire lower area facing the cooking area of the hood 102 is opened as an intake port 101, and the intake port 101 or the intake port 101 Both ends of the filter F ′ (or the filter mounting tool 1 according to the present embodiment) are provided in a pair of latching grooves 103 and 103 provided so as to face each other across an air flow path (exhaust path) connecting the intake fan. The lower part (lower surface) facing the cooking region of the hood 102 is made of a plate material as shown in FIG. 1 (b). A part (a part of the lower surface of the hood 102) is opened to form an air inlet 101, and the filter F '(or a filter fitting) is screwed so that the air inlet 101 is covered with the filter F'. , And the like that to attach to or to magnetically attached.

  As described above, the exhaust ventilation device 100 shown in FIG. 1A is provided on the exhaust path (the intake port 101 or the hood) that connects the intake port 101 and the intake fan by providing the pair of retaining grooves 103 and 103. 102), a filter F ′ is interposed, and hot air from the cooking region is exhausted through the filter F ′. On the other hand, the exhaust ventilator 100 shown in FIG. 1B is configured to heat or remove hot air from the cooking area by screwing or magnetically attaching the filter F ′ to the lower surface of the hood 102 so as to cover the intake port 101 from the outside. A filter F ′ is interposed in the vicinity of the intake port 101 as an exhaust path through which heat flows, and hot air from the cooking region is exhausted through the filter F ′. In other words, any of the exhaust ventilators 100 described above exhausts hot air from the cooking area via the filter F 'by interposing the filter F' on the exhaust path.

  In addition, the existing exhaust ventilation device 100 is provided with a metal filter (for example, a metal filter formed of a metal mesh or a metal plate having a louver-like opening) as the filter F ′. Generally, a filter fixture (filter) according to the present embodiment is attached in place of such an existing metal filter F ′. Of course, it is also possible to adopt a configuration of the exhaust ventilation device 100 in which the filter attachment according to the present embodiment is newly installed.

  As described above, there are various types of exhaust ventilation devices 100 with different attachment modes of the filter F ′. In this embodiment, the hood 102 is formed with a pair of retaining grooves 103 and 103. A filter fixture employed for the exhaust ventilation device 100 shown in FIG. 1A will be described as an example.

  The filter attachment according to the present embodiment attaches a filter having breathability and flame retardance to the exhaust ventilation device 100 in a detachable (replaceable) manner.

  As shown in FIG. 2, the filter fixture 1 forms a frame shape to form an opening region 20, and a frame body 2 in which a sheet-like filter F having air permeability is disposed so as to cover the opening region 20. And a filter holding frame 3 for holding the filter F by pressing the outer peripheral edge of the sheet-like filter F disposed so as to cover the opening region 20 of the frame body 2 toward the frame body 2, and the opening A flameproof member 4 that is disposed so as to face substantially the entire region 20 and that is shaped to allow air to flow between the cooking region and the exhaust ventilation device (hood 102); A connecting member 5 that connects the flameproof member 4 and the frame body 2 or the filter holding frame 3 is provided so that the flameproof member 4 and the filter F that covers the opening region 20 are spaced apart from each other. In addition, the filter F employ | adopted for the filter fixture 1 of the said structure differs from what is attached to the existing exhaust ventilation apparatus 100 (metal filter), breathability and a flame retardance (or nonflammability) ), Resin fibers (for example, non-woven fabric), glass fibers (for example, rock wool), and the like.

  The frame main body 2 has a frame plate portion 21 formed in a frame shape having a rectangular shape in plan view that defines the opening region 20 in a substantially rectangular shape, and intersects the frame plate portion 21 from each outer edge portion of the frame plate portion 21. The wall portion 22 extending in the direction to be extended and the filter holding frame 3 are locked toward the inside (the wall portions 22 facing each other) from the front ends of a pair (a pair) of wall portions 22 facing each other. The locking piece 23 is provided.

  The frame plate portion 21 is configured to be able to place the outer peripheral edge portion of the filter F having a rectangular shape in plan view, and the wall portion 22 can be positioned so as to surround the filter F on the frame plate portion 21. Yes. The locking piece 23 is opposed to the frame plate portion 21 with a predetermined interval so that the filter holding frame 3 can be inserted between the locking piece 23 and the filter F located on the frame plate portion 21. That is, the locking piece 23 functions as a detachment prevention for the filter holding frame 3 inserted between the locking piece 23 and the frame plate portion 21 (filter F). In the present embodiment, two locking pieces 23 are provided at intervals with respect to each wall portion 22 corresponding to the arrangement of fitting portions 30a (described later) of the filter holding frame 3.

  And the frame main body 2 which concerns on this embodiment is the frame plate part 21 which straddles across the opening area | region 20 in order to support the filter F supported by the frame plate part 21 in consideration of a safety aspect. Further connected auxiliary supports 24, 24 are provided. The auxiliary supports 24, 24 are composed of two metal bars. The two bar members (auxiliary supports) 24 and 24 are provided in parallel in a direction perpendicular to the axis with a predetermined interval, and each end is fixed to the inner peripheral end surface of the frame plate portion 21. Has been.

  The frame body 2 configured as described above is formed by bending a single plate material except for the auxiliary supports 24 and 24, and the auxiliary supports 24 and 24 are attached to the bent material. It is formed by being.

  The filter holding frame 3 is made of a metal wire or rod (hereinafter simply referred to as a wire) having a wire diameter that is substantially the same as or slightly thicker than the gap between the filter F disposed on the frame plate portion 21 and the locking piece 23. It is formed into a frame shape by processing a wire). The filter holding frame 3 is dimensioned so that it can be placed in a region where the frame plate portion 21 is formed and surrounded by the wall portion 22. More specifically, the filter holding frame 3 has a pair of cross members 30, 30 disposed on the frame plate portion 21 facing the locking piece 23, and an interval in the extending direction of the cross members 30, 30. In addition, it has a pair of longitudinal members 31, 31 extending in a direction orthogonal to the extending direction, and the transverse members 30, 30 and the longitudinal members 31, 31 are welded to the frame plate portion 21 of the frame body 2. It is formed in a frame shape that can be placed. Then, each of the pair of cross members 30, 30 is a fitting that is partially bent and protrudes outward so that it can be partially inserted between the locking piece 23 and the frame plate portion 21 (filter F). A joint portion 30a is formed. In addition, the cross members 30 and 30 which concern on this embodiment are each formed with the fitting part 30a in two places at intervals in the longitudinal direction.

  And the filter holding frame 3 which concerns on this embodiment is the some horizontal auxiliary | assistant material 32 which connects the vertical members 31 and 31 between a pair of horizontal members 30 and 30 in order to prevent the raise of the intensity | strength and the filter F. ... is provided. Each of the horizontal auxiliary members 32 is also composed of the same wire material as the horizontal members 30 and 30 and the vertical members 31 and 31, and the horizontal auxiliary members 32 and the like are arranged so that the ends intersect the vertical members 31 and 31. It arrange | positions and is welded to the vertical members 31 and 31 at the intersection. In the present embodiment, the cross members 30 and 30 are also welded to the vertical members 31 and 31 at their intersections with the end portions intersecting the vertical members 31 and 31.

  The flameproof member 4 according to the present embodiment employs a metal plate material (a thin plate that can be elastically deformed) having a rectangular shape in plan view. The flameproof member 4 is set to a size that is smaller than the outer shape of the frame body 2 and substantially equal to or larger than the opening region 20. Thereby, the flameproof member 4 according to the present embodiment opposes substantially the entire area of the opening region 20 of the frame body 2, and when the filter attachment 1 is attached to the hood 102, An air circulation path is formed between the inside of the hood 102 and the inside of the exhaust ventilation apparatus (hood 102). The flameproof member 4 (plate material) is anodized so that oil stains can be easily removed. In this embodiment, the flameproof member 4 (plate material) is anodized. However, for example, the flameproof member 4 may be subjected to water repellent processing (fluorine processing or Teflon processing) or hydrophilic processing. .

  A plurality of the connecting members 5 are arranged at intervals in the circumferential direction of the flameproof member 4, and the flameproof member 4 is fully circumferential with respect to the filter F (either the frame main body 2 or the filter holding frame 3). A predetermined interval is opened over the circumference. In the present embodiment, since the flameproof member 4 has a rectangular shape in plan view, a plurality of connecting members 5 are provided at both ends (both measuring end portions) of the flameproof member 4 at intervals (in the drawing). Are arranged two by two). The connecting member 5 according to the present embodiment includes a fixing portion 50 that is fixed to the flameproof member 4 (in this embodiment, riveted), a locking portion 51 that is locked to the frame body 2 or the filter holding frame 3, It is comprised by the connection part 52 which connected the fixing | fixed part 50 and the latching | locking part 51. FIG.

  The connecting member 5 according to the present embodiment is obtained by bending a metal plate having a strip shape into a crank shape. The fixing portion 50 and the connecting portion 52 are substantially perpendicular to each other, and the connecting portion 52 and the locking portion 51 are provided. It is almost right-angled. That is, the connecting member 5 extends in a direction perpendicular to the surface direction of the flameproof member 4 in a state where one end side (fixed portion 50) is fixed to the flameproof member 4, and the locking portion 51. Is formed so as to extend outward from the tip of the connecting portion 52 so as to be orthogonal to the connecting portion 52 and to be orthogonal to the frame body 2 or the filter holding frame 3.

  As a result, the connecting member 5 is engaged with either the frame body 2 or the filter holding frame 3 by sandwiching the locking portion 51 between the frame plate portion 21 of the frame body 2 and the filter holding frame 3. It has come to be. That is, when the flameproof member 4 is disposed on the frame body 2 side, the locking portion 51 is locked to the frame plate portion 21 of the frame body 2, and the flameproof member 4 is disposed on the filter holding frame 3 side. When provided, the locking portion 51 is locked to the filter holding frame 3.

  The flameproof member 4 according to the present embodiment is formed of a thin plate that is easily elastically deformed, and the flameproof member 4 is deformed when the locking portion 51 is locked to the frame body 2 or the filter holding frame 3. Thus, it can be inserted between the frame main body 2 (frame plate portion 21) and the filter holding frame 3 from the tip of the locking portion 51. The connecting member 5 according to the present embodiment is formed by bending a metal plate into a crank shape. For example, a metal plate having a strip shape is bent into a U-shape and locked to the fixing portion 50. Of course, it is also possible to adopt a mode in which the portion 51 faces and one end thereof is connected via the connecting portion 52.

  In the present embodiment, as described above, the connecting members 5 are provided on both side ends of the flameproof member 4 so that the flameproof member 4 can be disposed on either the frame body 2 side or the filter holding frame 3 side. The interval between the connecting portions 52 of the connecting member 5 is equal to or less than the interval between the vertical members 31, 31 of the filter holding frame 3 and the interval between the frame plate portions 21 opposed to the vertical members 31, 31 (of the opening region 20. The width is set to be equal to or less than the width, and the engaging portion 51 can be inserted between the filter holding frame 3 and the frame plate portion 21 of the frame body 2 from the inside to the outside.

  The filter fixture 1 according to the present embodiment has the above-described configuration, and next, attachment to the exhaust ventilation device 100 will be described.

  First, as shown in FIG. 3, the filter F is disposed in the frame body 2 so as to cover the opening region 20 with the filter F, and both ends (fitting portions 30 a) of the filter holding frame 3 are placed between the filter F and the frame body 2. It is interposed between the locking pieces 23. Then, the outer peripheral edge portion of the filter F is pressed against the frame plate portion 21 by the filter holding frame 3 and is sandwiched between the frame body 2 and the filter holding frame 3. In the present embodiment, the auxiliary support members 24, 24 are provided on the frame body 2, and the horizontal auxiliary members 32 are provided on the filter holding frame 3, so that the filter F is not only the outer peripheral edge but also the open region 20. The region covering the region is also appropriately sandwiched.

  When the flameproof member 4 is disposed on the filter holding frame 3 side, that is, when the flameproof member 4 is disposed in the hood 102 of the exhaust ventilation device 100, as shown in FIG. The part 51 is inserted between the filter holding frame 3 (vertical members 31, 31) and the filter F. In the present embodiment, the filter holding frame 3 is made of a wire, and the flameproof member 4 is made of a thin plate, so that at least one of the filter holding frame 3 and the flameproof member 4 is deformed. Thus, the insertion of the locking part 51 is allowed, and the filter holding frame 3 or the flameproof member 4 is restored to the original state after the insertion, so that the locking part 51 is connected to the filter holding frame 3 (vertical member 31, 31). Then, the flameproof member 4 is in a state with a predetermined gap with respect to the filter F held by the frame main body 2 and the filter holding frame 3 due to the interposition of the connecting portion 52, and with respect to the opening region 20 of the frame main body 2. Thus, the substantially entire region is opposed through the filter F.

  After that, the filter F is exhausted by fitting both ends of the frame body 2 into the fitting grooves provided in the exhaust ventilation device 100 (hood 102) so that the flameproof member 4 is positioned in the hood 102. The air intake side of the air ventilator 100 (the area on the air intake side of the flow path through which air flows) is covered, and the attachment of the filter attachment 1 is completed. In this case, since the flameproof member 4 is located in the hood 102, the appearance is the same as that of the conventional filter attachment (see FIG. 10).

  When the exhaust vent 101 of the exhaust ventilation device 100 is wide, if a plurality of filter fixtures 1 holding the filters F are arranged side by side, the intake vents 101 are covered by the filters F of the filter fixtures 1. It can be in the state. Then, when the intake fan of the exhaust ventilation device 100 is operated, hot air in the cooking area is exhausted to the outside through the filter F, the periphery of the flameproof member 4 (distribution path), and the inside of the hood 102. That is, the filter fixture 1 according to the present embodiment is configured such that the flameproof member 4 formed of a plate is smaller than the outer shape of the frame body 2 and is set to a size equal to or larger than the size of the opening region 20. In the state where the main body 2 is disposed at the intake port 101, a gap is formed between the flameproof member 4 and the inner surface of the hood 102, and as a result, a flow path of air (hot air) is secured. When a plurality of filter fixtures 1 are arranged side by side, a gap is also formed between the flameproof members 4 of adjacent filter fixtures 1, so that an air flow path is secured and smooth ventilation is performed. .

  Then, when the fire cooks in the cooking area for some reason, and the filter F is heated for a long time and contracts due to the heat from the fire, at least a part of the opening area 20 is opened, but this corresponds to the opening area 20. Since the flameproof member 4 is present at the position, even if the flame (fire pillar or spark) from the cooking area reaches the intake port 101, the flameproof member is prevented from entering the hood 102. 4 will be interrupted. Therefore, as a result of the ignition in the hood 102 and the intake fan being blocked, it is possible to prevent the spread of fire.

  On the other hand, when the flameproof member 4 is disposed on the frame body 2 side, that is, when the flameproof member 4 is disposed outside the hood 102 and on the cooking region side, as described above, the frame body 2 and the filter holding frame 3. And holding the filter F, as shown in FIG. 5, with the flameproof member 4 positioned on the frame body 2 side, the locking portions 51 of the connecting members 5 are inserted into the frame through the opening region 20. It is inserted between the main body 2 (frame plate portion 21) and the filter F. In this case, the locking portion 51 is fitted from the side of the frame main body 2 (frame plate portion 21), which has higher rigidity than the filter holding frame 3, so that by deforming the flameproof member 4, Insertion is allowed. Further, the flameproof member 4 is restored to the original state after the locking portion 51 is inserted, so that the locking portion 51 is locked to the frame body 2 (frame plate portion 21). Then, the flameproof member 4 is held by the frame main body 2 and the filter holding frame 3 by the interposition of the connecting portion 52 and is in a state of being spaced apart from the filter F exposed from the opening region 20 by the frame main body 2. The entire opening region 20 faces the entire region through the filter F.

  Thereafter, the flameproof member 4 is positioned outside the hood 102, and both ends of the frame body 2 are fitted into the fitting grooves provided in the exhaust ventilation device 100 (hood 102). As shown, the attachment of the filter fixture 1 is complete.

  In this case as well, if the intake port 101 of the exhaust ventilation device 100 is wide, if a plurality of filter fixtures 1 holding the filter F are arranged side by side, the intake port 101 is connected to each filter fixture 1. The filter F can be covered.

  Then, when the intake fan of the exhaust ventilation device 100 is operated, the hot air in the cooking area is surrounded by the flameproof member 4 (distribution path), between the flameproof member 4 and the filter F, inside the filter F and the hood 102. Exhausted to the outside. That is, the filter fixture 1 according to the present embodiment is configured such that the flameproof member 4 formed of a plate is smaller than the outer shape of the frame body 2 and is set to a size equal to or larger than the size of the opening region 20. In the state where the main body 2 is disposed at the intake port 101, a gap is formed between the flameproof member 4 and the inner surface of the hood 102, and as a result, a flow path of air (hot air) is secured. When the retaining grooves 103 and 103 for fitting the frame main body 2 are provided at the lowermost end of the hood 102, the flameproof member 4 and the filter are disposed because the flameproof member 4 is completely located outside. Hot air will circulate more efficiently with F.

  And since the flame-proof member 4 is comprised with a plate and the flame-proof member 4 is located outside, it will function also as a baffle plate, and can distribute | circulate air smoothly, and also the air It is also possible to mute the distribution.

  Even if a fire breaks out in the cooking area for some reason and a flame (fire column or sparks) from the cooking area reaches the inlet 101, the entry into the hood 102 is flameproof. It will be blocked by the member 4. Then, as a result of the flameproof member 4 being heated by the flame, the filter F contracts due to the heat, and even if at least a part of the open area 20 is in an open state, the flameproof member is positioned at a position corresponding to the open area 20. Since the member 4 is present, it is possible to prevent the fire from spreading in the hood 102 and the intake fan as a result.

  As described above, according to the filter fixture 1 according to the present embodiment, the flameproof member 4 is disposed so as to face substantially the entire opening area 20 defined by the frame main body 2, so that the filter fixture Even if a fire breaks out on the lower side of 1, the presence of the flameproof member 4 prevents the flame from reaching the exhaust ventilation device 100. Thereby, the flame from a heating cooking area | region does not reach | attain in the exhaust ventilation apparatus 100, and it can prevent the fire spread from a heating cooking area | region.

  Moreover, since the flameproof member 4 is arrange | positioned at intervals with respect to the filter F, the filter attachment 1 does not adhere the dirt which adhered to the filter F to the flameproof member 4 directly. Moreover, the flameproof member 4 is set smaller than the outer shape of the frame main body 2 on the assumption that the flameproof member 4 faces substantially the entire region of the opening region 20, and an air circulation path is secured around the flameproof member 4 (heating cooking region and Since air is allowed to flow between the exhaust ventilation device), normal ventilation is not hindered.

  Furthermore, since the connecting member 5 is configured to be able to be engaged and disengaged with respect to at least one of the frame body 2 and the filter holding frame 3 while the flameproof member 4 is fixed, the connecting member 5 is configured to be connected to the frame body 2. Alternatively, the flameproof member 4 can be removed by releasing (removing) the locked state with respect to the filter holding frame 3, so that the flameproof member 4 can be easily cleaned.

  In particular, in the present embodiment, the locking portion 51 of the connecting member 5 extends in a direction orthogonal to the connecting portion 52, and the locking portion is provided between the frame body 2 (frame plate portion 21) and the filter holding frame 3. 51 is inserted into the frame plate portion 21 or the filter holding frame 3 so that the flameproof member 4 can be placed on either side of the frame main body 2 and the filter holding frame 3. Can also be arranged.

  And since it can arrange | position in the frame main body 2 side in this way, and the flame-proof member 4 was comprised with the plate material, the flame-proof member 4 can also be functioned as a baffle plate depending on the attachment aspect.

  In addition, this invention is not limited to the said embodiment, Of course, a various change can be added in the range which does not deviate from the summary of this invention.

  In the said embodiment, although the flame-proof member 4 was comprised with the mere plate, for example, the flame-proof member 4 is comprised with the plate in which several opening (hole) was formed, or the flame-proof member 4 is comprised with a metal mesh. You may do it. In this way, it is possible to make the flowability of hot air in a normal ventilation state more efficient. However, when a plurality of openings are provided in the region corresponding to the opening region 20 of the frame body 2 with respect to the flameproof member 4, if the opening ratio becomes too large, the flame from the cooking region can be effectively blocked. Therefore, the total opening ratio of the region corresponding to the opening region 20 of the frame body 2 is 10% to 60% in consideration of the ventilation efficiency and the amount of flame passing through the plurality of openings (flameproof effect). It is preferable to set the number and diameter of openings, the interval (distance) between adjacent openings, and the like.

  Further, if the flameproof member 4 is formed of a plate and a plurality of openings are formed in the plate in the shape of a louver, the cooking region can be formed even if the opening for ventilation is formed in the region corresponding to the opening region 20. The flames from the fire do not pass straight through, and smooth ventilation is possible. In addition, the flameproof member 4 is configured by a plate, and a configuration in which a ventilation opening is formed in a region other than the region corresponding to the opening region 20 of the frame body 2 or a region corresponding to the opening region 20 is a plate. In addition, a metal mesh may be provided around the plate. In this way, the region corresponding to the opening region 20 of the frame body 2 is in a non-penetrating state, so that the passage of the flame can be reliably prevented, and the air is opened by the opening formed in the plate or the opening of the metal mesh. Smooth distribution can be ensured.

  In the above-described embodiment, the engaging portion 51 of the connecting member 5 extends in a direction orthogonal to the connecting portion 52 and is inserted between the frame plate portion 21 and the filter holding frame 3, so Although the flame member 4 can be locked, the present invention is not limited to this. For example, as shown in FIG. 7, the connecting member 5 (connecting portion 52) is extended so as to be orthogonal to the flameproof member 4. A through hole H into which the lateral auxiliary members 32 of the filter holding frame 3 or the distal ends of the lateral members 30 and 30 (the distal ends projecting outwardly intersecting the longitudinal members 31 and 31) can be inserted at the distal end. You may make it pierce. Even in this case, as shown in FIG. 8, the flameproof member 4 faces the filter F through the filter holding frame 3, and the leading end of the connecting member 5 is locked to the filter holding frame 3. can do.

  However, in this case, a portion to be inserted into the connecting member 5 is required. In the case of the frame main body 2 having the above configuration, the flameproof member 4 cannot be disposed on the frame main body 2 side. Considering simplification of the configuration and the like, it is preferable to configure the connecting member 5 in the same manner as in the above embodiment. Needless to say, if a projection is provided on the frame body 2 (for example, the outer surface of the wall portion 22), or a frame is provided on the outer surface of the frame plate portion 21 and then a projection or the like is provided on the frame, the connecting member 5 is provided. It goes without saying that the flameproof member 4 can be disposed on the frame body 2 side even if the through hole H is formed in the frame body 2.

  In the above embodiment, the connecting member 5 is provided with the fixing portion 50, and the fixing portion 50 is fixed to the flameproof member 4, while the connecting portion 52 is provided with the locking portion 51, and the frame main body 2 and the filter holding frame. 3, the flameproof member 4 is configured to be detachable together with the connecting material 5. However, the present invention is not limited to this. For example, the connecting material 5 may be the frame main body 2 or the filter holding frame 3. On the other hand, the flameproof member 4 may be configured to be detachable from the fixed connecting member 5. Of course, the connecting member 5 may be fixed to the frame body 2 and the flameproof member 4, or the connecting member 5 may be fixed to the filter holding frame 3 and the flameproof member 4. However, it is needless to say that it is preferable to make the flameproof member 4 detachable regardless of whether the flameproof member 4 or the connecting material 5 is cleaned, regardless of whether the flameproof member 4 or the connecting material 5 is used.

  In the above embodiment, the flameproof member 4 and the connecting material 5 are configured as one configuration of the filter fixture 1. For example, the flameproof member 4 and the connecting material 5 include the frame body 2 and the filter holding frame 3. Alternatively, it may be an independent flameproof device for a conventional filter fixture. In this case, the connecting member 5 can be fixed to the flameproof member 4 (riveting, screwing, tape sticking, etc.), and the connecting member 5 can be engaged / disengaged with respect to the filter fixture (frame body or filter holding frame). It is preferable to configure. If it does in this way, a flameproof tool (flameproof member 4 and connecting material 5) can be easily attached to the conventional filter fixture which is not provided with the flameproof member 4 and connecting material 5.

  Moreover, in the said embodiment, although the filter attachment 1 attached to the exhaust ventilation apparatus 100 shown to Fig.1 (a) was demonstrated, for example, a part of lower surface shown to FIG. When applied to the exhaust ventilation device 100 in which the mouth 101 is formed, for example, a magnet is provided on the frame body 2 so as to be magnetically attached to the lower surface of the hood 102, or the frame body 2 is screwed by a screw member. You may do it. In this case, as described above, since the intake port 101 on the intake side of the exhaust ventilation device 100 is formed by opening a part of the lower surface of the hood 102, the flameproof member 4 is disposed inside the hood 102. Therefore, the embodiment shown in FIG. 6, that is, the flameproof member 4 may be arranged on the frame body 2 side.

  Further, as described above, the filter holding frame 3 is configured separately from the frame main body 2. However, the present invention is not limited to this. For example, one end of the filter holding frame 3 is connected to one end of the frame main body 2. It may be pivotally attached and the other end of the filter holding frame 3 may be locked to the locking piece 23.

  In the above embodiment, the filter attachment 1 is attached to the hood 102 so that the intake port 101 (actually the vicinity thereof) of the exhaust ventilation device 100 (hood 102) is covered with the filter F. However, the present invention is not limited to this. Instead, the filter attachment 1 may be attached to the filter attachment position set for each exhaust ventilation device 100 (hood 102). That is, the filter attachment 1 (frame main body 2) with the filter F interposed on the exhaust path (path through which hot air flows) of the exhaust ventilation device 100 may be attached.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic perspective view of the exhaust ventilation apparatus used as the object which attaches the filter fixture which concerns on embodiment of this invention, Comprising: (a) fits a filter or a filter fixture in the latching groove provided in the hood. (B) shows an exhaust ventilation device of a type that is attached by screwing or magnetically attaching a filter or a filter attachment to a hood. The disassembled perspective view of the filter fixture which concerns on one Embodiment of this invention is shown. It is a perspective view of the filter fixture which concerns on the embodiment, Comprising: The state which attached the filter holding frame to the frame main body, and hold | maintained the filter is shown. FIG. 4 is a partially enlarged cross-sectional view of the filter fixture according to the embodiment, in which a flameproof member is disposed on the filter holding frame side, and a locking portion of a connecting material is inserted between the filter and the filter holding frame (an example of a The stop portion is locked to the filter holding frame). It is a partial expanded sectional view of the filter fixture which concerns on the same embodiment, Comprising: A flame-proof member is arrange | positioned at the frame main body side, and the latching | locking part of a connection material is inserted between a filter and a frame main body (frame plate part). A state where the locking portion is locked to the frame body is shown. It is a perspective view of the state which attached the filter fixture which concerns on the embodiment to the ventilation apparatus (hood) for exhaust_gas | exhaustion, Comprising: The attachment state of the filter fixture which arrange | positioned the flame-proof member to the heating cooking area side (frame main body side) Indicates. The disassembled perspective view of the filter fixture which concerns on other embodiment of this invention is shown. It is a partial expanded sectional view of the filter fixture which concerns on other embodiment, Comprising: A flameproof member is arrange | positioned at the filter holding frame side, and the state which locked the connection material to the filter holding frame is shown. The disassembled perspective view of the conventional filter attachment tool is shown. The perspective view of the state which attached the conventional filter attachment tool to the exhaust ventilation apparatus (hood) is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Filter attachment tool, 2 ... Frame main body, 3 ... Filter holding frame, 4 ... Flameproof member, 5 ... Connection material, 20 ... Opening area, 21 ... Frame plate part, 22 ... Wall part, 23 ... Locking piece, 24 ... auxiliary support, 30 ... cross member, 30a ... fitting part, 31 ... vertical member, 32 ... horizontal auxiliary member, 50 ... fixing part, 51 ... locking part, 52 ... coupling part, 100 ... exhaust ventilation device DESCRIPTION OF SYMBOLS 101 ... Inlet, 102 ... Hood, 103 ... Stop groove, F ... Filter, H ... Through hole

Claims (7)

A frame main body in which an opening region is formed and a sheet-like filter having air permeability is arranged so as to cover the opening region, and an outside of the filter arranged so as to cover the opening region of the frame main body A filter holding frame that holds the filter by pressing the peripheral edge toward the frame body, and the frame is arranged so that the filter is interposed on the exhaust path of the exhaust ventilator installed above the cooking area. A filter attachment that is detachably attached to the exhaust ventilator, and is disposed so as to face at least substantially the entire area of the opening area, and air between the cooking area and the exhaust ventilator. The flameproof member and the frame main body or the filter holder so that the flameproof member shaped to allow the circulation of the flameproof member and the filter covering the opening region are spaced apart from each other by a predetermined distance. Doo and a connecting member for connecting the filter fitting said flameproof member is characterized Rukoto disposed inside of the exhaust ventilator than filter.   The flameproof member is composed of a plate material that is smaller than the outer shape of the frame main body and set to a size that is substantially equal to or larger than the opening region, and forms an air flow path around the flameproof member to heat the flameproof member. The filter fixture according to claim 1, wherein the filter fixture is configured to allow air to flow between the cooking area and the inside of the exhaust ventilation device.   The flameproof member is formed with a plurality of openings therethrough, and a plurality of openings form an air flow path to allow air flow between the cooking area and the exhaust ventilation device. The filter fixture according to claim 1.   4. The connection member according to claim 1, wherein the connection member is configured to be detachable with respect to at least one of the frame main body and the filter holding frame while the flameproof member is fixed. 5. Filter fixture. A frame main body in which an opening region is formed and a sheet-like filter having air permeability is arranged so as to cover the opening region, and an outside of the filter arranged so as to cover the opening region of the frame main body A filter holding frame that holds the filter by pressing the peripheral edge toward the frame body, and the frame is arranged so that the filter is interposed on the exhaust path of the exhaust ventilator installed above the cooking area. A flameproofing tool for a filter fixture, the body of which is detachably attached to the exhaust ventilation device, the flameproofing member disposed so as to face substantially the entire area of the opening region, and the flameproofing member, And a connecting material configured to be detachable from at least one of the frame main body and the filter holding frame, and the connecting material is locked to either the frame main body or the filter holding frame. so, A flameproof member is arranged at a predetermined interval with respect to the filter covering the opening region, and the flameproof member allows air to flow between the cooking region and the exhaust ventilation device. It is shaped configured, flameproofing device for filter fixture, wherein Rukoto disposed inside of the exhaust ventilator than filter.   The flameproof member is composed of a plate material that is smaller than the outer shape of the frame main body and set to a size that is substantially equal to or larger than the opening region, and forms an air flow path around the flameproof member to heat the flameproof member. The flameproofing tool for a filter attachment according to claim 5, wherein the flameproofing tool is configured to allow air to flow between the cooking area and the inside of the exhaust ventilation device.   The flameproof member is formed with a plurality of openings therethrough, and a plurality of openings form an air flow path to allow air flow between the cooking area and the exhaust ventilation device. The flameproofing tool for a filter mounting tool according to claim 5.

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