Filter mounting structure and filter mounting metal fitting

Abstract

To be able to easily attach / detach only a filter element.SOLUTION: A filter element which includes a filter, a frame provided around the filter, and an elastically deformable seal member provided overlapped at the frame is mounted adjacent to an air control port provided at a ceiling, by using at least two filter mounting metal fittings. The filter mounting metal fitting includes a frame part, and a mounting metal fitting provided at the frame part. The frame part includes a wall surface formed by folding a slender plate-like member, and a first plate-like part and a second plate-like part provided at both ends along the longer direction of the wall surface respectively. By the wall surface, the first plate-like part and the second plate-like part, the frame part becomes a U-shape when viewed along the extension direction of the wall surface, and in a space inside the U-shape, the filter element is inserted so that the seal member faces the ceiling side. The first plate-like part comes into contact with the ceiling or the air control port, and the mounting metal fitting presses the filter element toward the ceiling and deforms the seal member.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a filter mounting structure and a filter mounting fixture. [Background technology]

[0002] Patent Document 1 discloses a filter mounting fixture that is attached to the unit panel of an indoor unit of an existing air conditioning system and that mainly comprises a filter inner frame portion that holds a filter within the frame for adsorbing and removing pollutants contained in the indoor air, four connecting stays that connect to the filter inner frame portion, and four filter outer frame portions that are each connected to the connecting stays and fix the filter inner frame portion to the unit panel via spacers. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 5111471 Summary of the Invention [Problem to be solved by the invention]

[0004] The invention described in Patent Document 1 has a problem in that when replacing the filter, the entire filter attachment fixture must be removed, and it is not possible to remove only the filter element (filter and filter inner frame).

[0005] The present invention has been made in view of the above circumstances, and has as its object to provide a filter mounting structure and a filter mounting fixture that allow easy attachment and detachment of only the filter element. [Means for solving the problem]

[0006] To solve the above problems, the present invention provides a filter mounting structure that uses at least two filter mounting brackets to place a filter adjacent to an air vent mounted on a mounting surface such as a ceiling or wall, the filter mounting brackets having a frame and mounting brackets attached to the frame, the frame being attached to the air vent or the mounting surface so that the filter element faces the air vent, and the mounting brackets pressing the filter element toward the mounting surface. Here, the "filter element" in the present invention may be a filter medium alone, or a filter medium fixed to a frame.

[0007] Furthermore, in order to solve the above-mentioned problems, the filter mounting bracket of the present invention is, for example, a filter mounting bracket for arranging a filter element adjacent to an air vent provided on a mounting surface such as a ceiling or wall, and is characterized in that it has a frame portion and a mounting bracket provided on the frame portion, the filter element is inserted into the frame portion so that the filter element faces the air vent, and the mounting bracket presses the filter element towards the mounting surface.

[0008] In the filter mounting structure and filter mounting bracket according to the present invention, a filter element is inserted into the frame, and the mounting bracket attached to the frame presses against the filter element. This allows the filter element to be easily attached and detached using the filter mounting bracket. Furthermore, the mounting bracket pressing against the filter element prevents leaks.

[0009] The filter element may be a polygonal plate, and the frame may be attached to a corner of the filter element. That is, at least two filter mounting brackets may be provided at two opposing corners of the filter element. This allows for compatibility with filter elements of various sizes.

[0010] The mounting fixture may be plate-shaped and rotatably mounted on the frame, thereby allowing the filter element to be attached to the filter mounting fixture simply by rotating the mounting fixture, i.e., with a single touch.

[0011] The mounting bracket may be rotatable around a rotation axis provided near one end of the frame, and may press the filter element toward the mounting surface when the front end of the mounting bracket is located near the other end of the frame in a closed state. That is, the mounting bracket presses the filter element at the two most distant points (near each end of the frame). This allows the mounting bracket to stably press the filter element.

[0012] The mounting fixture may have a first elastic member that presses the filter element toward the ceiling, and the first elastic member may be provided on the mounting fixture or between the mounting fixture and the second plate-shaped portion, thereby increasing the deformation amount of the seal member and reliably preventing leaks.

[0013] The filter mounting bracket may have a mounting portion for mounting the frame to the air vent, and the mounting portion may have a hanging bracket for attaching to a louver blade member provided on the air vent, thereby making it possible to easily mount the mounting bracket to the air vent.

[0014] The mounting portion may have a second elastic member that allows adjustment of the position of the hanging bracket and the wall surface. Because the filter mounting bracket is attached to the air intake vent using the biasing force of the second elastic member, fixing work such as screwing is not required, making installation of the filter mounting bracket easy. Furthermore, because the position of the hanging bracket can be adjusted using the second elastic member, the filter mounting bracket can be installed regardless of the position of the rod-shaped portion, etc.

[0015] The frame may have a wall surface and a first plate-like portion and a second plate-like portion provided at each end of the wall surface, the wall surface, the first plate-like portion, and the second plate-like portion forming a U-shape when viewed along the direction in which the wall surface extends, and the filter element may be inserted into a space within the U-shape so that the frame clamps an end of the filter element. This allows the filter mounting bracket to firmly hold the filter element, and the filter element is stably installed in a position adjacent to the air intake. [Effects of the Invention]

[0016] According to the present invention, the filter element alone can be easily attached and detached using the filter mounting bracket. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a perspective view showing an outline of a filter mounting device 1 using a filter mounting structure according to one embodiment of the present invention. [Figure 2] 1A to 1C are diagrams showing an outline of a filter mounting device 1, in which (A) is a plan view, (B) is a front view, and (C) is a right side view. [Figure 3] 1A to 1C are diagrams showing an outline of a filter element 90, in which (A) is a plan view, (B) is a front view, and (C) is a right side view. [Figure 4] 1A and 1B are perspective views showing an outline of a filter mounting bracket 10, where (A) is a view seen from diagonally above, and (B) is a view seen from diagonally below. [Figure 5] 1A and 1B are diagrams showing a schematic view of the installation of the filter mounting bracket 10. FIG. [Figure 6] 1 is a diagram showing a state in which the filter mounting bracket 10 is attached to a frame 112 and a filter element 90 is attached to the filter mounting bracket 10. FIG. [Figure 7] FIG. 10 is a diagram showing an outline of a filter mounting bracket 10A according to a modified example. [Figure 8] FIG. 10 is a diagram showing an outline of a filter mounting bracket 10B according to a modified example. [Figure 9] FIG. 10 is a diagram showing an outline of a filter mounting bracket 10C according to a modified example. [Figure 10] FIG. 10 is a diagram showing an outline of a filter mounting bracket 10D according to a modified example. [Figure 11] 1 is a perspective view showing an outline of a filter mounting device 2 using a filter mounting structure according to one embodiment of the present invention. [Figure 12] 1A and 1B are perspective views showing an outline of a filter mounting fixture 20, where (A) is a view seen from diagonally above, and (B) is a view seen from diagonally below. [Figure 13] 1A and 1B are diagrams showing a filter mounting bracket 20 mounted on a frame 112, where FIG. 1A is a diagram seen from diagonally below, and FIG. 1B is a diagram seen from above the ceiling 100. FIG. [Figure 14] 1 is a perspective view showing an outline of a filter mounting device 3 using a filter mounting structure according to one embodiment of the present invention. [Figure 15] 1(A) and 1(B) are perspective views showing the outline of the filter mounting bracket 30 as viewed obliquely from above. [Figure 16] 1A and 1B are diagrams showing a filter mounting bracket 30 mounted on a frame 112, where (A) is a diagram seen from diagonally below, and (B) is a diagram seen from above the ceiling 100. FIG. [Figure 17] 1 is a perspective view showing an outline of a filter mounting device 4 using a filter mounting structure according to one embodiment of the present invention. [Figure 18] FIG. 2 is a perspective view showing an outline of a filter mounting bracket 40. DETAILED DESCRIPTION OF THE INVENTION

[0018] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a filter mounting structure or filter mounting bracket for mounting a filter element adjacent to an air vent provided in a ceiling.

[0019] First Embodiment Fig. 1 is a perspective view showing an outline of a filter mounting device 1 using a filter mounting structure according to one embodiment of the present invention. Fig. 2 shows an outline of the filter mounting device 1, with (A) being a plan view, (B) being a front view, and (C) being a right side view. Figs. 1 and 2 also show a ceiling 100.

[0020] Hereinafter, the two orthogonal directions when viewing the filter mounting device 1 from the front are referred to as the x-direction and the y-direction (see FIG. 2(B)). When viewed from the front, the direction from left to right is referred to as the x-direction, and the direction from bottom to top is referred to as the y-direction. The direction perpendicular to the x-direction and the y-direction is referred to as the z-direction. The direction from the underside 101 of the ceiling 100 facing the floor toward the floor is referred to as the +z-direction.

[0021] The filter mounting device 1 mainly comprises a filter mounting bracket 10 and a filter element 90. An air vent 110 is provided in a ceiling 100, and the filter element 90 is provided adjacent to the air vent 110 by the filter mounting bracket 10.

[0022] 3A, 3B, and 3C are schematic diagrams of a filter element 90, with (A) being a plan view, (B) being a front view, and (C) being a right side view. The filter element 90 includes a filter 91, which is a filtering material, a frame 92 provided around the filter 91, and a seal member 93 provided along the frame 92. The frame 92 is made of a metal such as aluminum or a hard resin, and does not elastically deform. The filter 91 is exposed in the hollow portion of the frame 92.

[0023] The seal member 93 is made of rubber or the like and is capable of elastic deformation. The seal member 93 is provided so as to overlap the frame 92. The seal member 93 has a hollow portion 93a formed along the frame 92, and the filter 91 is exposed through the hollow portion 93a.

[0024] In the present embodiment, the sealing member 93 is square-shaped and is provided so as to overlap the entire frame 92, but the shape of the sealing member 93 is not limited to this. For example, a plurality of circular or rectangular plate-shaped sealing members may be provided so as to overlap the frame 92.

[0025] 1 and 2. The filter element 90 has a rectangular shape, and the filter mounting brackets 10 are attached to the four corners of the filter element 90. The filter mounting brackets 10 are attached so as to cover the corners of the filter element 90.

[0026] 4A and 4B are perspective views showing an outline of the filter mounting bracket 10, with (A) being a view from diagonally above and (B) being a view from diagonally below. The filter mounting bracket 10 mainly comprises a frame 11, a mounting bracket 13, and a shaft 14.

[0027] The frame 11 is formed using a plate-shaped material. The frame 11 mainly has a wall 11a and plate-shaped portions 11b and 11c. The wall 11a is formed by bending a long, thin plate-shaped member. In this embodiment, the wall 11a is L-shaped. The plate-shaped portions 11b and 11c are provided at both ends of the wall 11a along the longitudinal direction.

[0028] The plate-like portions 11b and 11c are provided on both ends of the wall surface 11a, so that the frame portion 11 has a U-shape when viewed along the extending direction of the wall surface 11a. The filter element 90 is inserted into a space 11z inside this U-shape.

[0029] In this embodiment, frame portion 11 is formed by cutting a single plate and bending the cut plate material. However, wall surface 11a formed by bending a long, narrow plate-like member into an L shape, and plate-like portions 11b and 11c formed by punching out a plate-like member may be formed separately and integrated by welding or the like. Furthermore, plate-like portions 11b and 11c are L-shaped when viewed along the plate thickness direction, but the shapes of plate-like portions 11b and 11c are not limited to this.

[0030] The mounting bracket 13 is provided on the plate-shaped portion 11c (corresponding to the second plate-shaped portion of the present invention). The mounting bracket 13 is generally plate-shaped and mainly comprises an elongated plate-shaped main body portion 13a and a grip portion 13b provided on the main body portion 13a. The main body portion 13a and the grip portion 13b are formed by cutting a single plate and bending the cut plate material. However, the main body portion 13a and the grip portion 13b may be formed separately and then integrated by welding or the like.

[0031] The grip portion 13b is provided near one end 13c of the main body portion 13a, but the position and shape of the grip portion 13b are not limited to this, and the grip portion 13b is not essential.

[0032] A shaft 14 is provided near the other end 13d of the main body portion 13a. The shaft 14 mainly includes a shaft 14a that is inserted into holes (not shown) formed in the main body portion 13a and the plate-like portion 11b, and holding portions 14b and 14c that are provided on both ends of the shaft 14a. The holding portions 14b and 14c are arranged to sandwich the main body portion 13a and the plate-like portion 11b. Because there is a gap between the shaft 14a and the hole (not shown) formed in the main body portion 13a, the main body portion 13a can rotate around the shaft 14 as a fulcrum. With this structure, the mounting bracket 13 is rotatably provided on the plate-like portion 11b.

[0033] 5 is a diagram showing a schematic diagram of the mounting of the filter mounting bracket 10. The air intake vent 110 has an opening 111 formed in the ceiling, a frame 112 provided around the periphery of the opening 111, and louver blade members 113 provided inside the opening 111. In the example shown in the figure, the louver blade members 113 are long, thin plates that form a lattice. However, the shape of the louver blade members 113 is not limited to this. For example, the louver blade members 113 may be round or square rod-shaped. Furthermore, for example, the louver blade members 113 may not be arranged in a lattice pattern, but may be arranged parallel to one another in one direction.

[0034] The opening 111 is cylindrical, and a frame 112 is provided around the periphery of the end of the opening 111 on the underside 101 side. Furthermore, a louver blade member 113 is provided in the hollow portion of the opening 111. The air vent 110 is made of, for example, resin, and is integrated. The air vent 110 is attached to the ceiling 100 with, for example, a fastener such as a screw (not shown), and the frame 112 abuts against the underside 101.

[0035] The filter mounting bracket 10 is attached to a frame 112. The fasteners are loosened to form a gap between the frame 112 and the lower surface 101, and the plate-shaped portion 11b (corresponding to the first plate-shaped portion of the present invention) is inserted into this gap. By tightening the screws in this state, the plate-shaped portion 11c is fixed between the frame 112 and the lower surface 101.

[0036] Plate-shaped portion 11c is located at the end of wall surface 11a away from air intake vent 110. For ease of explanation, the filter mounting bracket 10 located at the bottom right of FIG. 5 is shown with the mounting bracket 13 attached to plate-shaped portion 11c in an open position, while the remaining three filter mounting brackets 10 are shown with the mounting brackets 13 in a closed position. When mounting bracket 13 is in the closed position, both ends 13c, 13d of main body 13a are located near both ends of plate-shaped portion 11c. When mounting bracket 13 is in the open position, end 13c of main body 13a is located away from plate-shaped portion 11b.

[0037] The mounting brackets 13 of all of the filter mounting brackets 10 are opened, and the filter elements 90 are inserted into the spaces 11z. The mounting brackets 13 are then rotated to close the mounting brackets 13, thereby attaching the filter elements 90 to the filter mounting brackets 10. At this time, the mounting brackets 13 press against the filter elements 90 at both ends of the frame 11, i.e., at the farthest positions.

[0038] 6 is a diagram showing a state in which the filter mounting bracket 10 is attached to the frame 112 and the filter element 90 is attached to the filter mounting bracket 10. The plate-like portion 11b is sandwiched between the frame 112 and the underside 101. The frame 112 and the filter element 90 are inserted into the space 11z. The filter element 90 is inserted into the space 11z so that the seal member 93 faces the ceiling 100, i.e., so that the seal member 93 abuts against the frame 112.

[0039] Because the mounting bracket 13 is in the closed state, the mounting bracket 13 is also inserted into the space 11z. As a result, the mounting bracket 13 presses the filter element 90 toward the ceiling 100, i.e., toward the frame 112. As a result, the seal member 93 is pressed against the frame 112 and elastically deforms, bringing the frame 112 and the filter element 90 (seal member 93) into tight contact. In this way, the filter element 90 is provided adjacent to the air vent 110 (frame 112).

[0040] By providing the filter element 90 adjacent to the air vent 110, as shown in Figures 1 and 2, the filter element 90 covers the air vent 110 and blocks the wind blowing out from the opening 111. This reduces the strong wind from the air vent 110.

[0041] According to this embodiment, the filter mounting bracket 10 is attached to the air intake vent 110, so the filter element 90 can be easily attached and detached using the filter mounting bracket 10. Furthermore, the filter element 90 can be attached and detached simply by rotating the mounting bracket 13 provided on the filter mounting bracket 10, making it easy to install and replace the filter element 90.

[0042] In this embodiment, the mounting bracket 13 presses the seal member 93 of the filter element 90 against the frame 112, bringing the frame 112 into close contact with the filter element 90 and preventing leaks. Furthermore, by using a long, plate-shaped mounting bracket 13, the mounting bracket 13 can stably press the filter element 90 near both ends of the frame 11.

[0043] Furthermore, in this embodiment, the filter mounting bracket 10 is attached to the air intake vent 110 by inserting the plate-like portion 11c between the frame 112 and the lower surface 101, so that the filter mounting bracket 10 can be easily attached.

[0044] Furthermore, in this embodiment, the filter mounting brackets 10 are attached to the four corners of the filter element 90 and frame 112, so that filter elements 90 and frames 112 of various sizes can be accommodated.

[0045] In this embodiment, the air vent 110 is provided on the ceiling 100, but the location where the air vent 110 is provided is not limited to the ceiling 100. For example, the air vent 110 may be provided on a wall. In the present invention, the ceiling 100 or a wall serves as a mounting surface, and the air vent 110 may be provided on the mounting surface.

[0046] Furthermore, in this embodiment, the filter element 90 has the filter 91, the frame 92, and the seal member 93, but the form of the filter element is not limited to this. For example, the frame 92 and the seal member 93 are not essential. However, in order to press the filter element, the filter element needs to be elastically deformable. Therefore, if the filter element does not have the frame 92, it is desirable that the filter 91 be elastically deformable or that the seal member 93 be provided around the periphery of the filter 91.

[0047] Furthermore, in this embodiment, the filter element 90 is rectangular and the filter mounting brackets 10 are attached to the four corners of the filter element 90, but the number of filter mounting brackets 10 is not limited to this. At least two filter mounting brackets 10 are sufficient, and it is sufficient that the filter mounting brackets 10 are attached to two opposing corners of the filter element 90, for example.

[0048] Furthermore, in this embodiment, the frame 11 (wall surface 11a) of the filter mounting bracket 10 is L-shaped, but the shape of the frame 11 (wall surface 11a) is not limited to this. For example, the frame 11 (wall surface 11a) may be U-shaped. In this case, two filter mounting brackets may be used, and two parallel sides of the filter element 90 may be attached to the filter mounting brackets.

[0049] Furthermore, in this embodiment, the filter element 90 is rectangular, but the shape of the filter element 90 is not limited to this. For example, the filter element may be circular, elliptical, or polygonal. Furthermore, for example, when a circular filter element is used, two or three filter mounting brackets may be provided at equal intervals around the periphery of the circular filter element. In this case, the frame portion (wall surface) of the filter mounting bracket is curved. Note that in the present invention, bending a plate-like member is a concept that includes both cases where corners are formed (for example, bending at right angles) and cases where no corners are formed (curving).

[0050] <Modification 1 of the filter mounting bracket 10> 7 is a diagram showing an outline of a filter mounting bracket 10A according to a modified example. The filter mounting bracket 10A mainly comprises a frame portion 11, a mounting bracket 13A, and a shaft 14. The mounting bracket 13A is attached to the plate-shaped portion 11b. The mounting bracket 13A is generally plate-shaped and mainly comprises a main body portion 13a, a grip portion 13b, and an elastic member 13e attached to the main body portion 13a. The elastic member 13e is, for example, a long, thin leaf spring, and is attached along the longitudinal direction of the main body portion 13a.

[0051] The filter mounting bracket 10A is attached to the frame 112 in the same manner as the filter mounting bracket 10. As with the filter mounting bracket 10, the filter element 90 is inserted into the space 11z so that the seal member 93 faces the ceiling 100 (frame 112).

[0052] When mounting bracket 13A is rotated from the open state to the closed state, elastic member 13e presses filter element 90 toward ceiling 100, that is, toward frame 112. As a result, seal member 93 is pressed against frame 112 and elastically deforms, bringing frame 112 and filter element 90 into tight contact.

[0053] In this way, by having the elastic member 13e in the filter mounting bracket 10A, the amount of deformation of the seal member 93 when the seal member 93 is pressed against the frame 112 is increased, making it possible to reliably prevent leakage between the frame 112 and the filter element 90.

[0054] Although mounting bracket 13A has elastic member 13e and elastic member 13e is used to press seal member 93 against frame 112, the form of mounting bracket 13A having an elastic member is not limited to this. For example, the mounting bracket may have a main body portion that functions as a leaf spring.

[0055] <Modification 2 of the filter mounting bracket 10> 8 is a diagram showing an outline of a filter mounting bracket 10B according to a modified example. The filter mounting bracket 10B mainly comprises a frame portion 11, a mounting bracket 13B, and a shaft 14. The mounting bracket 13B comprises a mounting bracket 13 and an elastic member 15. The elastic member 15 is a leaf spring or a coil spring, and is inserted onto the shaft 14a. One end of the elastic member 15 abuts against the plate-shaped portion 11c, and the other end abuts against the main body portion 13a. This pushes the main body portion 13a up toward the plate-shaped portion 11b.

[0056] The filter mounting bracket 10B is attached to the frame 112 in the same manner as the filter mounting bracket 10. As with the filter mounting bracket 10, the filter element 90 is inserted into the space 11z so that the seal member 93 faces the ceiling 100 (frame 112).

[0057] When the mounting bracket 13 is rotated from the open state to the closed state, the biasing force of the elastic member 15 causes the main body 13a to press the filter element 90 toward the ceiling 100, that is, toward the frame 112. As a result, the seal member 93 is pressed against the frame 112 and elastically deforms, bringing the frame 112 and the filter element 90 into tight contact.

[0058] In this way, by having the elastic member 15 in the filter mounting bracket 10B, the amount of deformation of the seal member 93 when the seal member 93 is pressed against the frame 112 is increased, thereby reliably preventing leakage between the frame 112 and the filter element 90.

[0059] In the filter mounting bracket 10B, the elastic member 15 is inserted into the shaft 14a, but the position and number of the elastic member 15 are not limited to this. For example, the elastic member 15 may be provided in the vicinity of the grip portion 13b (see the dotted line in FIG. 8).

[0060] <Modification 3 of the filter mounting bracket 10> 9 is a diagram showing an outline of a filter mounting bracket 10C according to a modified example. The filter mounting bracket 10C mainly comprises a frame portion 11, two mounting brackets 13C, and two shafts 14. The mounting brackets 13C are provided on the plate-shaped portion 11c. The mounting bracket 13C is generally plate-shaped, and mainly comprises a main body portion 13f and a grip portion 13b. The main body portion 13f is rotatable around the shafts 14.

[0061] The filter mounting bracket 10C is attached to the frame 112 in the same manner as the filter mounting bracket 10. As with the filter mounting bracket 10, the filter element 90 is inserted into the space 11z so that the seal member 93 faces the ceiling 100 (frame 112).

[0062] When the mounting bracket 13C is rotated from the open state to the closed state, the main body 13f presses the filter element 90 toward the ceiling 100, that is, toward the frame 112. As a result, the seal member 93 is pressed against the frame 112 and elastically deforms, bringing the frame 112 and the filter element 90 into tight contact with each other.

[0063] <Modification 4 of the filter mounting bracket 10> Fig. 10 is a diagram showing an outline of a filter mounting bracket 10D according to a modified example. The filter mounting bracket 10D mainly comprises a frame portion 11, a mounting bracket 13D, and a shaft 14. The mounting bracket 13D is provided on the plate-shaped portion 11b. The mounting bracket 13D is generally plate-shaped and mainly comprises a main body portion 13g and a grip portion 13b. The main body portion 13f is formed with an elongated hole 13h into which the shaft 14a is inserted. The mounting bracket 13D (main body portion 13g) is movable in parallel along the longitudinal direction of the elongated hole 13h.

[0064] The filter mounting bracket 10D is attached to the frame 112 in the same manner as the filter mounting bracket 10. As with the filter mounting bracket 10, the filter element 90 is inserted into the space 11z so that the seal member 93 faces the ceiling 100 (frame 112).

[0065] 10 to a position where main body 13g overlaps plate-like portion 11b, main body 13g presses filter element 90 toward ceiling 100, i.e., toward frame 112. As a result, seal member 93 is pressed against frame 112 and elastically deforms, bringing frame 112 and filter element 90 into tight contact.

[0066] The filter mounting bracket 10D uses a mounting bracket 13D that can move in parallel, so the mounting bracket 13D can be installed at positions other than near both ends of the plate-like portion 11c. The number of mounting brackets 13D is also not limited to one, but can be two or more.

[0067] <Second embodiment> In the first embodiment of the present invention, the filter mounting bracket 10 is attached to the air vent 110 by clamping the plate-like portion 11b between the frame 112 and the underside 101 of the ceiling 100, but the method of attaching the filter mounting bracket is not limited to this. In the second embodiment of the present invention, the filter mounting bracket is attached to the air vent 110 using a filter mounting bracket. A filter mounting device 2 according to the second embodiment will be described below. Note that the same parts as those in the first embodiment are given the same reference numerals and their description will be omitted.

[0068] 11 is a perspective view showing an outline of a filter mounting device 2 using a filter mounting structure according to one embodiment of the present invention. The filter mounting device 2 mainly comprises a filter mounting bracket 20 and a filter element 90. The filter element 90 is mounted adjacent to an air intake vent 110 by the filter mounting brackets 20, which are provided at the four corners of the filter element 90 so as to cover the corners of the filter element 90.

[0069] The filter mounting bracket 20 mainly has a frame portion 21, an attachment portion 22 (described in detail later), a mounting bracket 13, a shaft 14, and a fixing bracket 23. The filter mounting bracket 20 is attached to the air intake vent 110 using the attachment portion 22 and the fixing bracket 23.

[0070] 12A and 12B are perspective views showing the outline of the filter mounting metal fitting 20, where (A) is a view from diagonally above and (B) is a view from diagonally below. In Fig. 12, the fixing metal fitting 23 is not shown.

[0071] Frame 21 is formed using a plate-shaped material. Frame 21 mainly has wall 21a and plate-shaped portions 21b and 21c. Wall 21a, like wall 11a, is formed into an L-shape by bending a long, thin plate-shaped member. Wall 21a has two perpendicular wall surfaces 21e and 21f.

[0072] Plate-like portions 21b and 21c are provided on both ends of wall surface 21a in the longitudinal direction. Because plate-like portions 21b and 21c are provided on both ends of wall surface 21a, frame portion 21 has a U-shape when viewed along the extension direction of wall surface 21a. Filter element 90 is inserted into this U-shaped space 21z so that seal member 93 faces the ceiling 100, i.e., so that seal member 93 is adjacent to frame 112 (see FIG. 11).

[0073] Plate-shaped portion 21b has a larger area than plate-shaped portion 11b. Furthermore, plate-shaped portion 21b is provided with fixing portion 22a (described in detail later). Plate-shaped portion 21c has the same shape as plate-shaped portion 11c, but differs from plate-shaped portion 11b in that it has hole 21d. Note that the shapes of plate-shaped portions 21b and 21c are not limited to this.

[0074] In this embodiment, the plate-like portion 21b and the fixing portion 22a are formed by cutting a single plate and bending the cut plate material. However, the plate-like portion 21b and the fixing portion 22a may be formed separately and then integrated by welding or the like.

[0075] Mounting portion 22 is provided on plate-shaped portion 21b, and attaches frame portion 21 to air vent 110. When frame portion 21 is attached to air vent 110, mounting portion 22 protrudes from plate-shaped portion 21b toward ceiling 100 (in the opposite direction to the direction in which plate-shaped portion 21b is provided). Mounting portion 22 mainly has fixing portion 22a, hanging bracket 22b, and connecting portion 22c.

[0076] Fixed portion 22a is plate-shaped and parallel to wall surface 21f. Fixed portion 22a may also be parallel to wall surface 21e. Fixed portion 22a is provided with connecting portion 22c. Connecting portion 22c has boss 22g, one end of which is provided on fixed portion 22a, and spherical portion 22h, which is provided on the other end of boss 22g.

[0077] Hanging metal fitting 22b is formed by bending a plate-like member into a U-shape, and has two parallel plate-like portions 22d and 22e and a bottom portion 22f connecting plate-like portions 22d and 22e. Louver blade member 113 is inserted into space 22z formed by plate-like portions 22d, 22e and bottom portion 22f.

[0078] Plate-shaped portion 22d and fixed portion 22a are in surface contact. An elongated hole 22i is formed in plate-shaped portion 22d, and boss 22g is inserted into elongated hole 22i. Plate-shaped portion 22d is sandwiched between fixed portion 22a and spherical portion 12h. As boss 22g moves inside elongated hole 22i, hanging hardware 22b moves in the z direction along fixed portion 22a.

[0079] 13A and 13B are diagrams showing the filter mounting bracket 20 attached to the frame 112, with (A) being a view from diagonally below and (B) being a view from above the ceiling 100. The air intake vent 110 is removed from the ceiling 100 by loosening the screws, and the filter mounting bracket 20 is attached to the removed air intake vent 110. Specifically, the hanging bracket 22b is hooked onto the louver blade member 113, the louver blade member 113 is inserted into the space 22z, the frame 112 is brought into contact with the plate-shaped portion 21c, and the frame 112 and frame portion 21 are fixed using the fixing bracket 23. At this time, the hanging bracket 22b is moved in the z direction along the elongated hole 22i according to the distance between the louver blade member 113 and the frame 112, to adjust the position of the hanging bracket 22b.

[0080] Fixing bracket 23 is formed by bending a plate-like member into a U-shape, and two parallel plate-like portions 23a, 23b sandwich frame 112 and frame portion 21, with connecting portion 23c connecting plate-like portions 23a, 23b abutting wall surface 21a. Then, by threading screws 24 into holes (not shown) and holes 21d (see FIG. 12(b)) provided in plate-like portion 23b, fixing bracket 23 is attached to frame portion 21 and frame 112 is fixed to frame portion 21. Then, air intake vent 110 and filter mounting bracket 20 are attached to ceiling 100.

[0081] After the filter mounting bracket 20 is attached to the frame 112, the mounting bracket 13 is used to press the seal member 93 against the frame 112, causing it to elastically deform, in the same way as the filter mounting bracket 10, and bringing the frame 112 and the filter element 90 into tight contact. In this way, the filter element 90 is provided adjacent to the air vent 110 (frame 112), preventing leakage from between the frame 112 and the filter element 90. The filter element 90 may be attached to the filter mounting bracket 20 either before or after the air vent 110 and filter mounting bracket 20 are attached to the ceiling 100.

[0082] According to this embodiment, the filter mounting bracket 20 is attached to the air vent 110 in a state where the air vent 110 is removed from the ceiling 100, which reduces the amount of work at height and increases the safety of the work.

[0083] Furthermore, according to this embodiment, the position of the hanging metal fitting 22b is adjustable, so that the filter mounting metal fitting 20 can be attached regardless of the position of the louver blade member 113, the thickness of the frame 112, and the like.

[0084] Furthermore, in this embodiment, the filter mounting brackets 10 are attached to the four corners of the filter element 90 and frame 112, so that filter elements 90 and frames 112 of various sizes can be accommodated.

[0085] The filter mounting bracket 20 may include any of the mounting brackets 13A, 13B, 13C, and 13D instead of the mounting bracket 13. Furthermore, at least two filter mounting brackets 20 may be provided, for example, at two opposing corners of the filter element 90.

[0086] <Third embodiment> In the second embodiment of the present invention, the filter mounting bracket 20 is attached to the air vent 110 with the air vent 110 removed from the ceiling 100, but the method of attaching the filter mounting bracket is not limited to this. In the third embodiment of the present invention, the filter mounting bracket is attached to the air vent 110 without removing the air vent 110 from the ceiling 100. A filter mounting device 3 according to the third embodiment will be described below. Note that the same parts as those in the first and second embodiments are given the same reference numerals and their description will be omitted.

[0087] 14 is a perspective view showing an outline of a filter mounting device 3 using a filter mounting structure according to one embodiment of the present invention. The filter mounting device 3 mainly comprises a filter mounting bracket 30 and a filter element 90. The filter mounting brackets 30 are attached to the four corners of the filter element 90 so as to cover the corners of the filter element 90. The filter mounting brackets 30 mount the filter element 90 adjacent to the air intake vent 110.

[0088] The filter mounting bracket 30 mainly has a frame portion 31, an attachment portion 32 (described in detail later), a mounting bracket 13, and a shaft 14. The filter mounting bracket 30 is attached to the air intake vent 110 using the attachment portion 32.

[0089] 15(A) and 15(B) are perspective views showing the outline of the filter mounting metal fitting 30 as viewed obliquely from above.

[0090] The frame 31 is formed using a plate-shaped material. The frame 31 mainly has a wall 31a and plate-shaped portions 31b and 31c. Like the wall 11a, the wall 31a is formed into an L-shape by bending a long, thin plate-shaped member. The wall 31a has two perpendicular wall surfaces 31e and 31f.

[0091] Plate-like portions 31b and 31c are provided on both ends of wall surface 21a in the longitudinal direction. Because plate-like portions 31b and 31c are provided on both ends of wall surface 21a, frame portion 31 has a U-shape when viewed along the extension direction of wall surface 31a. Filter element 90 is inserted into this U-shaped space 31z so that seal member 93 faces the ceiling 100, i.e., so that seal member 93 is adjacent to frame 112 (see FIG. 14).

[0092] Plate-shaped portion 31b has a larger area than plate-shaped portion 11b. Plate-shaped portion 31b is provided with connecting portion 32a (described in detail later). Plate-shaped portion 31c is similar to plate-shaped portion 31c. However, the shapes of plate-shaped portions 31b and 31c are not limited to this.

[0093] In this embodiment, the plate-like portion 31b and the connecting portion 32a are formed by cutting a single plate and bending the cut plate material. However, the plate-like portion 31b and the connecting portion 32a may be formed separately and then integrated by welding or the like.

[0094] Mounting portion 22 is provided on plate-shaped portion 31b, and attaches frame portion 31 to air vent 110. When frame portion 31 is attached to air vent 110, mounting portion 32 protrudes from plate-shaped portion 31c toward ceiling 100 (in the opposite direction to the direction in which plate-shaped portion 31b is provided). Mounting portion 32 mainly has connecting portion 32a, hanging bracket 32b, and elastic member 32c such as a coil spring.

[0095] Connecting portion 32a is formed by bending a plate-like member into an L-shape, and connects hanging hardware 32b to frame portion 31. Hanging hardware 32b has main body portion 32d formed by bending a rod-shaped (or plate-shaped) member into a U-shape, and holding portion 32e provided on main body portion 32d.

[0096] The main body 32d has a bottom 32f arranged parallel to the plate-shaped portion 31c and two rod-shaped portions 32g and 32h arranged parallel to the wall surface 31a. The bottom 32f connects the rod-shaped portions 32g and 32h. The louver blade member 113 is inserted into a space 32z formed by the rod-shaped portions 32g and 32h and the bottom 32f.

[0097] The retaining portion 32e is provided at the end of the rod-shaped portion 32g on the side where the bottom portion 32f is not provided, and retains the elastic member 32c. One end of the elastic member 32c abuts against the retaining portion 32e, and the other end abuts against the connecting portion 32a.

[0098] Connecting portion 32a has plate-shaped portion 32i substantially parallel to wall surface 31e and plate-shaped portion 32j substantially parallel to plate-shaped portion 31b. Elastic member 32c abuts against the lower surface of plate-shaped portion 32j (the surface facing main body 13a, the surface on the +z side). Plate-shaped portion 32j also has hole 32k formed therein, into which hanging hardware 32b is inserted. Therefore, hanging hardware 32b, i.e., bottom portion 32f, is movable (in the z direction) along rod-shaped portion 32g.

[0099] Holding portion 32e is located closer to main body portion 13a (+z side) than plate-shaped portion 32j. As a result, elastic member 32c applies a force (force in the +z direction) to main body portion 32d, i.e., bottom portion 32f, toward frame portion 31. Bottom portion 32f is movable in a direction away from frame portion 31 (-z direction) against the urging force of elastic member 32c. With this configuration, hanging hardware 32b is provided to connecting portion 32a, i.e., frame portion 31, so that bottom portion 32f can move in the z direction by elastic member 32c.

[0100] The shape of the connecting portion 32a and the hanging metal fitting 32b is not limited to this, and it is sufficient that the bottom portion 32f is movable in the z direction, that is, parallel to the wall surface 31a.

[0101] 16A and 16B are diagrams showing the filter mounting bracket 30 mounted on the frame 112, with (A) being a view from diagonally below and (B) being a view from above the ceiling 100. FIG.

[0102] The hanging fitting 32b is pulled, that is, the hanging fitting 32b is moved in a direction away from the frame portion 31 against the biasing force of the elastic member 32c, and the main body portion 32d is hung on the louver blade member 113. Thereafter, when the external force is removed from the hanging fitting 32b (for example, by letting go), the biasing force of the elastic member 32c causes the hanging fitting 32b to move toward the frame portion 31, the bottom portion 32f is positioned on the -z side of the louver blade member 113, the plate-shaped portion 31b abuts against the frame 112, and the louver blade member 113 is inserted into the space 32z, and in this state, the filter mounting fitting 30 is attached to the air intake vent 110.

[0103] Because the hanging metal fitting 32b is freely movable in the z direction, the filter mounting metal fitting 30 can be attached to the air intake vent 110 regardless of the position of the louver blade member 113 in the z direction or the thickness of the frame 112, etc.

[0104] After the filter mounting bracket 30 is attached to the frame 112, the mounting bracket 13 is used to press the seal member 93 against the frame 112, causing it to elastically deform, in the same way as the filter mounting bracket 10, and bringing the frame 112 and the filter element 90 into tight contact. In this way, the filter element 90 is provided adjacent to the air intake vent 110 (frame 112), preventing leakage from between the frame 112 and the filter element 90.

[0105] According to this embodiment, the filter mounting bracket 30 can be attached to the air intake vent 110 simply by pulling the hanging bracket 32b, hanging the main body 32d on the louver blade member 113, and removing external force from the hanging bracket 32b, making the installation work easy.

[0106] Furthermore, according to this embodiment, the filter mounting bracket 30 is attached to the air intake vent 110 by the biasing force of the elastic member 32c, so fixing work such as screwing is not required, and the filter mounting bracket 30 can be easily attached.

[0107] Furthermore, according to this embodiment, the position of the hanging metal fitting 32b can be adjusted by the elastic member 32c, so that the filter mounting metal fitting 30 can be attached regardless of the position of the louver blade member 113, the thickness of the frame 112, etc.

[0108] Furthermore, in this embodiment, the filter mounting brackets 30 are attached to the four corners of the filter element 90 and frame 112, so that filter elements 90 and frames 112 of various sizes can be accommodated.

[0109] The filter mounting bracket 30 may include any of the mounting brackets 13A, 13B, 13C, and 13D instead of the mounting bracket 13. Furthermore, at least two filter mounting brackets 30 may be provided, for example, at two opposing corners of the filter element 90.

[0110] <Fourth embodiment> In the first embodiment of the present invention, the filter mounting bracket 10 is clamped between the frame 112 and the underside 101 of the ceiling 100, but the method of mounting the filter mounting bracket is not limited to this. In the fourth embodiment of the present invention, the filter mounting bracket is attached to the ceiling 100. A filter mounting device 4 according to the fourth embodiment will be described below. Note that the same parts as in the first embodiment are given the same reference numerals and their description will be omitted.

[0111] 17 is a perspective view showing an outline of a filter mounting device 4 using a filter mounting structure that is one embodiment of the present invention. The filter mounting device 4 mainly comprises a filter mounting bracket 40 and a filter element 90. The filter mounting bracket 40 mounts the filter element 90 adjacent to the air intake vent 110 using filter mounting brackets 20 that are provided at the four corners of the filter element 90 so as to cover the corners of the filter element 90.

[0112] 18 is a perspective view showing an outline of the filter mounting bracket 40. The filter mounting bracket 40 mainly has a frame portion 41, a mounting bracket 13, and a shaft 14.

[0113] The frame 41 is made of a plate-shaped material and mainly includes a wall surface 41a and plate-shaped portions 41b and 41c.

[0114] Like wall surface 11a, wall surface 41a is formed into an L-shape by bending a long, narrow plate-like member. Plate-like portions 41b and 41c are provided at both ends of wall surface 41a along the longitudinal direction. Since plate-like portions 41b and 41c are provided at both ends of wall surface 41a, frame portion 41 has a U-shape when viewed along the extension direction of wall surface 41a. Filter element 90 is inserted into this U-shaped space 41z so that seal member 93 faces the ceiling 100, i.e., so that seal member 93 is adjacent to frame 112 (see FIG. 17 ).

[0115] Plate-shaped portion 41b has the same shape as plate-shaped portion 11b, but differs from plate-shaped portion 11b in that it has an attachment portion 41d. Attachment portion 41d has plate-shaped portion 41e and hole 41f formed in plate-shaped portion 41e. Plate-shaped portion 41c has the same shape as plate-shaped portion 11c and is provided with shaft 14. However, the shapes of plate-shaped portions 41b and 41c are not limited to these.

[0116] In this embodiment, one plate is cut and then bent to form frame 41. However, frame 41 may be formed from a plurality of plates which are integrated together by welding or the like.

[0117] Returning to the explanation of Figure 17, a fixing device such as an anchor is inserted into hole 41f (see Figure 18) and driven into the ceiling, thereby fixing filter mounting bracket 40 to underside 101 of ceiling 100. Filter element 90 is then inserted into space 41z in filter mounting bracket 40, and mounting bracket 13 is used to press seal member 93 against frame 112, causing elastic deformation, and bringing frame 112 and filter element 90 into tight contact. In this way, filter element 90 is provided adjacent to air intake vent 110 (frame 112), preventing leakage from between frame 112 and filter element 90.

[0118] According to this embodiment, the filter mounting bracket 40 is highly safe because it is fixed directly to the ceiling 100. Furthermore, the structure of the filter mounting bracket 40 can be simplified.

[0119] Furthermore, in this embodiment, the filter mounting brackets 40 are attached to the four corners of the filter element 90 and frame 112, so that filter elements 90 and frames 112 of various sizes can be accommodated.

[0120] The filter mounting bracket 40 may include any of the mounting brackets 13A, 13B, 13C, and 13D instead of the mounting bracket 13. Furthermore, at least two filter mounting brackets 40 may be provided, for example, at two opposing corners of the filter element 90.

[0121] Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configurations are not limited to these embodiments, and design modifications within the scope of the gist of the present invention are also included. For example, the above examples have been described in detail to clearly explain the present invention, and the present invention is not necessarily limited to those including all of the described configurations. Furthermore, it is possible to replace part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add, delete, or replace other configurations to the configuration of one embodiment.

[0122] In the present invention, the term "substantially" does not only mean strictly identical, but also includes errors or deformations to the extent that identity is not lost. For example, "substantially perpendicular" is not limited to strictly perpendicular, but includes an error of, for example, several degrees. Furthermore, for example, when expressing orthogonal, parallel, coincident, etc., it includes not only strictly perpendicular, parallel, coincident, etc., but also substantially parallel, substantially perpendicular, substantially coincident, etc.

[0123] In addition, in the present invention, "vicinity" means including a certain range (which can be determined arbitrarily) near a reference position. For example, "near an end" is a concept indicating a certain range near the end, which may or may not include the end. [Explanation of symbols]

[0124] 1, 2, 3, 4: Filter mounting device 10, 10A, 10B, 10C, 10D, 20, 30, 40: Filter mounting bracket 11, 21, 31, 41: Frame 11a, 21a, 31a, 41a: Wall 11b, 11c, 21b, 21c, 31b, 31c, 41b, 41c: plate-shaped portions 11z, 21z, 22z, 31z, 32z, 41z: Space 12h: Spherical part 13, 13A, 13B, 13C, 13D: Mounting bracket 13a: Main body 13b: Grip part 13c, 13d: Edge 13e: Elastic member 13f, 13g: Main body 13h: Long hole 14, 14a: axis 14b, 14c: Holding part 15: Elastic member 21d: Hole 21e, 21f, 31e, 31f: Wall 22, 32: Mounting part 22a: Fixed part 22b: Hanging hardware 22c: Connecting part 22d, 22e: Plate-shaped portion 22f: Bottom 22g: Boss 22h: Spherical part 22i: Long hole 23: Fixing bracket 23a: Plate-shaped part 23b: Plate-shaped part 23c: Connecting part 24: Screw 32a:Connection part 32b: Hanging hardware 32c: Elastic member 32d: Main body 32e: Holding part 32f: Bottom 32g, 32h: Rod-shaped part 32i, 32j: Plate-shaped parts 32k: hole 41d: Mounting part 41e: Plate-shaped part 41f: hole 90: Filter element 91: Filter 92: Frame 93: Sealing material 93a: Hollow part 100: Ceiling 101: Bottom surface 110: Air intake 111: Opening 112: Frame 113: Rod-shaped part

Claims

1. A filter mounting structure in which a filter element is disposed adjacent to an air intake provided on a mounting surface that is a ceiling or a wall using at least two filter mounting brackets, The filter mounting bracket has a frame portion and a mounting bracket provided on the frame portion, the frame is attached to the air duct or the mounting surface such that the filter element faces the air duct; The mounting fixture presses the filter element toward the mounting surface. A filter mounting structure characterized by:

2. The filter element is a polygonal plate, The frame is attached to a corner of the filter element.

2. The filter mounting structure according to claim 1.

3. The mounting bracket is plate-shaped and rotatably mounted on the frame.

3. The filter mounting structure according to claim 1 or 2.

4. the mounting fixture is rotatable about a rotation axis provided near one end of the frame portion, When the tip of the mounting fixture is located near the other end of the frame in a closed state, the mounting fixture presses the filter element toward the mounting surface.

4. The filter mounting structure according to claim 3.

5. The mounting fixture has a first elastic member that presses the filter element toward the mounting surface, The first elastic member is located between the mounting metal fitting and the frame portion or between the mounting metal fitting and the filter element when in the closed state.

5. The filter mounting structure according to claim 4.

6. the filter mounting bracket has a mounting portion for mounting the frame portion to the air intake vent, The mounting portion has a hanging metal fitting that is attached to a louver blade member that the air intake vent has.

6. The filter mounting structure according to claim 1, wherein the filter mounting structure is a structure for mounting a filter to a housing.

7. The mounting portion has a second elastic member that allows the position of the hanging metal fitting and the frame portion to be adjusted.

7. The filter mounting structure according to claim 6.

8. the frame portion has a wall surface, and a first plate-shaped portion and a second plate-shaped portion provided at both ends of the wall surface, The wall surface, the first plate-shaped portion, and the second plate-shaped portion form the frame portion in a U-shape when viewed along the extending direction of the wall surface, and the filter element is inserted into the internal space of the U-shape, so that the frame portion clamps an end of the filter element.

8. The filter mounting structure according to claim 1, wherein the filter mounting structure is a filter mounting structure having a plurality of grooves.

9. A filter mounting bracket for arranging a filter element adjacent to an air vent provided on a mounting surface that is a ceiling or a wall, A frame portion and a mounting bracket provided on the frame portion, The filter element is inserted into the frame so that the filter element faces the air intake, The mounting fixture presses the filter element toward the mounting surface. A filter mounting bracket characterized by:

Images