JP5410844B2 - Air filter mounting frame - Google Patents

Description

  The present invention relates to an air filter mounting frame for installing a plurality of air filters in an air conditioner or the like.

  The air filter is attached to the inside of a square frame that is slightly larger than the size of the air filter and is installed in an air conditioner or the like. Moreover, when an air conditioner processes a large air volume, a large number of air filters are arranged in a grid pattern and used. In such a case, the square frames are also arranged in advance in a lattice shape in accordance with the air filter, and the adjacent square frames are connected to each other by bolts / nuts or the like and installed in the air conditioner.

  The air conditioner is generally transported in a state where a square frame is installed but the air filter itself is not installed. However, an air filter mounting frame composed of a large number of square frames is A large stress may be applied to the corner portion of each square frame due to vibration or the like. Further, if the air volume is large at the time of use, a large stress may be applied to the corner portion of each square frame body, and a crack or the like may occur at the corner portion.

  Therefore, conventionally, for the purpose of reinforcing the corner portion of the square frame body, there is a measure such as joining the plate member at the corner portion of the square frame body from partial welding to increasing the thickness of the plate member to complete welding. Has been taken. However, conventionally, due to such measures, the manufacturing work of the mounting frame has become complicated, or the weight of the mounting frame has become heavy.

  Therefore, the present invention has been made in view of the above problems, and it is possible to improve the strength of the corner portion without depending on welding without reducing workability and increasing the weight almost. An object is to provide a filter mounting frame.

  An air filter mounting frame according to the present invention includes a pair of horizontal plates facing each other and a square frame configured by a pair of vertical plates facing each other and connecting ends of the pair of horizontal plates. In the air filter mounting frame that is configured to be arranged in parallel so as to overlap each other, the end of the vertical plate connected to the end of one of the two stacked horizontal plates is A plate-like vertical plate erection unit standing up along the inner surface of the horizontal plate is continuously provided, and the two stacked horizontal plates and vertical plate erection portion are provided with holes at positions coincident with each other. And connected by a connecting member inserted into the holes.

  Each of the horizontal plate and the vertical plate has, for example, a plate-like horizontal plate standing portion and a vertical plate standing portion that are erected from one end thereof, and each has an L shape. In this case, each of the vertical plate standing portions is overlapped with and connected to the inner surface of the other side of each of the horizontal plates, and each of the horizontal plate standing portions is overlapped with the inner surface of the other side of each of the vertical plates. Are preferably connected. The two horizontal plates are overlapped, one end of one horizontal plate is overlapped with the other end of the other horizontal plate, and the other end of one horizontal plate is one end of the other horizontal plate. It is better to arrange them so that they overlap each other.

  For example, each of the pair of vertical plates has one end connected to the other end of each of the pair of horizontal plates, and each of the pair of horizontal plates has one end connected to the other end of each of the pair of vertical plates Is done. In this case, one end of each vertical plate connected to the other end of each of the two stacked horizontal plates has a plate-like shape erected along the inner surface on the other end side of the horizontal plates. Each of the two horizontal plates overlapped with each other, and one end of one horizontal plate is overlapped with the other end of the other horizontal plate. The other end portions are arranged so as to be reversed with respect to each other so as to overlap one end portion of the other horizontal plate. The two horizontal plates overlapped with each of the vertical plate standing portions are provided with holes at positions corresponding to each other, and are connected by a connecting member inserted into these holes.

  The plurality of square frames are arranged in a lattice, for example, and at least two square frames are arranged in parallel so that the vertical plates are overlapped with each other. In this case, the end of the horizontal plate connected to the end of one of the two stacked vertical plates is a plate-like horizontal erected along the inner surface of the one vertical plate. The plate upright portion is provided continuously, and the two stacked vertical plates and horizontal plate upright portions are provided with holes at positions coincident with each other, and are connected by a connecting member inserted into the holes. .

  In the filter mounting frame according to the present invention, two rows of square frames arranged so that the horizontal plates are stacked are stacked in two stages so that the vertical plates are further stacked, so that four square frames are provided. May be arranged in a lattice pattern. In this case, the two horizontal plates stacked in the first row, the two horizontal plates stacked in the second row, the two vertical plates stacked in the first row, and the second row are stacked. Of the two horizontal plates stacked at each stage, the vertical plate standing portion is disposed along the inner surface of one horizontal plate in the connecting portion with the two vertical plates, and the other horizontal plate The horizontal plate standing part is arranged in a row and the horizontal plate standing part is arranged along the inner surface of one of the two vertical plates stacked in each row, and the other vertical plate is vertically It is preferable that the plate standing part is provided continuously.

  For example, each of the pair of vertical plates has one end connected to the other end of each of the pair of horizontal plates, and each of the pair of horizontal plates has one end connected to the other end of each of the pair of vertical plates Is done. In this case, one end of each of the horizontal plates connected to the other end of each of the two stacked vertical plates has a plate-like shape erected along the inner surface on the other end side of the vertical plates. Each of the two vertical plates overlaid with the horizontal plate standing part is overlapped with one end of one vertical plate over the other end of the other vertical plate, and the other end of one vertical plate The two vertical plates, which are arranged so as to be overlapped with each other so that the portion is overlapped with one end portion of the other vertical plate, and overlapped with each of the horizontal plate standing portions, are provided with holes at positions corresponding to each other, They are connected by connecting members inserted into the holes.

  In the present invention, by using the upright portion for connecting the horizontal plate and the vertical plate of the same square frame body also for connecting the horizontal plates of two adjacent square frame bodies, it is possible to reduce the number of manufacturing steps and mounting. The strength of the corner portion of the rectangular frame can be improved without increasing the weight of the frame.

It is a perspective view showing the whole air filter attachment frame concerning one embodiment of the present invention. It is a disassembled perspective view which shows a part of air filter attachment frame. It is sectional drawing which shows the connection part of the four square frame bodies arranged in the grid | lattice form.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall view of an air filter mounting frame according to an embodiment of the present invention.

  The air filter mounting frame 10 is composed of a plurality of rectangular frame bodies 11A to 11F having a rectangular frame shape opened in the front-rear direction. Each of the square frames 11A to 11F includes a right lateral plate 13, a left lateral plate 14, a lower plate (vertical plate) 15, and an upper plate (vertical plate) 16, respectively. The horizontal plates 13 and 14 are arranged in parallel to face each other. The lower plate 15 and the upper plate 16 face each other and are arranged in parallel, and connect the end portions of the horizontal plates 13 and 14. In the present specification, the direction in which the horizontal plates 13 and 14 face each other will be described as the left-right direction, and the direction in which the lower plate 15 and the upper plate 16 face each other will be described as the vertical direction. The left-right direction is a direction orthogonal to the up-down direction.

  The square frame bodies 11A to 11F are arranged in two rows in the vertical direction and three rows in the horizontal direction, and have a lattice shape. A filter contact surface 18 that covers a part of the opening is provided in the opening on the rear side of each of the square frames 11A to 11F. The filter contact surface 18 is formed in a plate-like flat square frame shape, and its outer edge portion is connected to the rear end portions of the plates 13 to 16 and is formed integrally with each of the square frame bodies 11A to 11F.

  An air filter 20 is disposed inside each of the square frames 11A to 11F. The air filter 20 is inserted into the interior of each square frame from the opening on the front side of each of the square frames 11A to 11F. The air filter 20 includes a square frame-shaped filter frame 21 and a filter medium 22 housed in the filter frame 21. A square frame-shaped gasket (not shown) is attached to the back surface 21 </ b> B of the square frame-shaped filter frame 21. The air filter 20 is installed inside each of the square frames 11A to 11F so that the back surface 21B of the filter frame 21 is pressed against the front surface 18F of the filter contact surface 18 via a gasket (not shown). A filter mounting bracket 19 for pressing the filter frame 21 is attached to the front end of each of the square frames 11A to 11F.

  FIG. 2 is an exploded perspective view of the air filter mounting frame. As shown in FIG. 2, the horizontal plates 13 and 14 have a rectangular plate shape that is long in the vertical direction, and the lower plate 15 and the upper plate 16 have a rectangular plate shape that is long in the left and right. Each of the plates 13 to 16 is a plate-like standing portion (right lateral plate standing portion 23, left lateral plate standing portion 24, lower plate standing portion 25, Each of the plate standing portions 26) is connected to one end portions 13A to 16A in the longitudinal direction and has an L shape. The horizontal plates 13 and 14 have one end portions 13A and 14A to which the standing portions 23 and 24 are connected, respectively, and the other end portions 16B and 15B in the longitudinal direction of the upper plate 16 and the lower plate 15, respectively. Connected to the end). Similarly, one end portions 15A and 16A of the lower plate 15 and the upper plate 16 are connected to the other end portions 13B and 14B in the longitudinal direction of the lateral plates 13 and 14, respectively.

  The right lateral plate standing portion 23 is erected along the inner surface of the upper plate 16 from the upper end portion (one end portion 13 </ b> A) of the right lateral plate 13 toward the left lateral plate 14. The left lateral plate standing portion 24 is erected along the inner surface of the lower plate 15 from the lower end portion (one end portion 14 </ b> A) of the left lateral plate 14 toward the right lateral plate 13. The lower plate standing portion 25 is erected along the inner surface of the right horizontal plate 13 from the right end portion (one end portion 15 </ b> A) of the lower plate 15 toward the upper plate 16. The upper plate standing portion 26 is erected along the inner surface of the left horizontal plate 14 from the left end portion (one end portion 16 </ b> A) of the upper plate 16 toward the lower plate 15.

  The right horizontal plate standing portion 23 has a length in the left-right direction that is sufficiently shorter than the length of the upper plate 16 and is overlapped only on the inner surface of the upper plate 16 on the right end (other end portion 16B) side. Similarly, the other standing portions 24 to 26 are overlapped only on the inner surfaces of the plates 13 to 15 on the other end portions 13B to 16B side.

  Plate-like rear erection portions 35 and 36 erected vertically toward the upper plate 16 and the lower plate 15 are connected to the rear end portions of the lower plate 15 and the upper plate 16, respectively. The rear standing portions 35 and 36 extend in the left-right direction together with the lower plate 15 and the upper plate 16, and are provided from the left end portion to the right end portion of the lower plate 15 and the upper plate 16. Similarly, at the rear end portions of the right lateral plate 13 and the left lateral plate 14, plate-like rear standing portions 33 and 34 erected vertically toward the left lateral plate 14 and the right lateral plate 13, respectively. It will be installed continuously. The rear standing portions 33 and 34 extend vertically together with the horizontal plates 13 and 14 and are provided from the upper end portion to the lower end portion of the horizontal plates 13 and 14.

  The end surfaces of the left and right end portions of the rear standing portions 35 and 36 of the lower plate 15 and the upper plate 16 are abutted against the end surfaces of the upper and lower end portions of the rear standing portions 33 and 34 of the lateral plates 13 and 14. The Then, as will be described later, the butted portions are joined by welding or the like, and a square frame-shaped filter contact surface 18 (see FIG. 1) is formed by these four rear standing portions 33 to 36. In addition, the edge part of these back standing parts 33-36 is cut off suitably so that it may face | match with the other back standing parts 33-36, and the end surface is formed in an inclined surface.

  For example, the standing portions 23 to 26 and 33 to 36 are formed by bending the plates 13 to 16, but may be connected to the edges of the plates 13 to 16 by welding or the like. The plates 13 to 16 and the standing portion are made of metal such as aluminum, galvanized steel plate, and galvalume steel plate, but may be made of resin such as ABS.

  The quadrangular frame bodies arranged in parallel in the left-right direction are arranged such that the horizontal plates 13 and 14 of the adjacent quadrangular frame bodies overlap each other. For example, the left horizontal plate 14 of the square frame 11C is overlaid on the outer surface of the right horizontal plate 13 of the square frame 11A. As is clear from FIG. 2, in the right horizontal plate 13, one end portion 13 </ b> A (an end portion on which the standing portion is provided) becomes an upper end portion, and in the left side plate 14, one end portion 14 </ b> A becomes a lower end portion. That is, in the stacked horizontal plates 13 and 14, one end portion 13A of the horizontal plate 13 is overlapped with the other end portion 14B of the horizontal plate 14, and the other end portion 13B of the horizontal plate 13 is one end portion 14A of the horizontal plate 14. So as to overlap each other.

  Further, the above-described lower plate standing portion 25 is overlaid on the inner surface of the lower end portion (the other end portion 13B) of the right horizontal plate 13 of the square frame 11A. Therefore, the lower plate standing portion 25 and the lower end portion of the horizontal plate 14 of the square frame body 11C are overlapped with the lower end portion of the horizontal plate 13 of the square frame body 11A. Holes 27 are provided at positions that coincide with each other in the lower plate standing portion 25 and the horizontal plates 13 and 14 that are overlapped in this manner, and bolts 28 are inserted into the holes 27. The bolt 28 is fastened to the nut 29, and the lower plate standing portion 25 and the horizontal plates 13 and 14 are connected by the fastening.

  Similarly, the upper plate standing portion 26 of the quadrangular frame 11C is overlaid on the inner surface of the upper end (the other end 14B) of the left horizontal plate 14 of the quadrangular frame 11C. Therefore, the upper end of the left horizontal plate 14 of the square frame 11C and the upper plate standing portion 26 are overlapped with the upper end of the right horizontal plate 13 of the square frame 11A. The upper plate standing portion 26 and the horizontal plates 13 and 14 stacked in this way are provided with holes 27 at positions corresponding to each other, and these are connected by bolts 28 and nuts 29 inserted into the holes 27. .

  The square frames arranged in the vertical direction are arranged such that the upper plate 16 and the lower plate 15 of the adjacent square frames overlap each other. For example, the lower plate 15 of the square frame 11B is overlaid on the outer surface of the upper plate 16 of the square frame 11A. Similar to the horizontal plates 13 and 14, the stacked upper plate 16 and lower plate 15 are arranged so that one end portion 16A is overlapped with the other end portion 15B and the other end portion 16B is overlapped with the one end portion 15A. Inverted and arranged.

  On the inner surface of the right end portion (the other end portion 16B) of the upper plate 16 of the square frame 11A, the right lateral plate standing portion 23 is overlapped. Therefore, the right horizontal plate standing portion 23 and the lower plate 15 of the square frame 11B are overlaid on the right end of the upper plate 16 of the square frame 11A. These overlapped parts are connected by bolts and nuts inserted into the holes 27 in the same manner as described above. The left side plate standing portion 24 of the square frame 11B and the lower plate 15 of the square frame 11B are also overlapped on the left end (one end 16A) of the upper plate 16 of the square frame 11A, and these are the same as described above. Are connected by bolts and nuts.

  In the present embodiment, the plates 13 to 16 are, for example, temporarily assembled by end welding of the plates 13 to 16 by spot welding or the like and assembled into a square frame shape, and then the bolts 27 and nuts 28. Are preferably connected by being fastened. Furthermore, after the four plates 13 to 16 are assembled or connected, both ends in the left-right direction of the rear standing portions 35 and 36 of the lower plate 15 and the upper plate 16 are the lower ends of the rear standing portions 33 and 34. It is preferable that the filter contact surface 18 is formed by being joined to the upper end by welding or the like. Moreover, in this embodiment, in order to prevent air from leaking between adjacent square frame bodies, between the overlapped horizontal plates 13 and 14 (or the upper plate 16 and the lower plate 15) is sealed with an adhesive. It is preferred that

  In the present embodiment, the connection structure of the square frames 11A and 11B and the connection structure of the square frames 11A and 11C have been described. Omitted.

  As described above, in the present embodiment, at the upper and lower ends of the horizontal plates 13 and 14 where two rectangular frames (for example, the square frames 11A and 11C) adjacent in the left-right direction are overlapped, Three sheets will be stacked. Similarly, three plate-like members are stacked on the upper end 16 and the left end and the right end of the lower plate 15 on which two rectangular frames (for example, the square frames 11A and 11B) adjacent in the vertical direction are overlapped. It will be. Thereby, in this embodiment, the corner of each square frame formed at the end of the horizontal plate (the right horizontal plate 13 or the left horizontal plate 14) and the end of the vertical plate (the lower plate 15 or the upper plate 16). The part will be reinforced.

  Moreover, in this embodiment, the standing part for connecting the horizontal plate and the vertical plate in the same square frame body is also for connecting the horizontal plates (or vertical plates) of two adjacent square frame bodies. used. Therefore, the strength of the corner portion of the rectangular frame can be improved without increasing the number of parts and the number of work steps of the air filter mounting frame 10.

  And in this embodiment, as shown in FIG. 3, in the connection part P to which four corner parts of four square frames (in FIG. 3, square frames 11A to 11D) arranged in a lattice shape are connected. The three plates are stacked on the end portions of all the horizontal plates 13 and 14 and the end portions of the vertical plates 15 and 16 forming the corner portion. Such a connecting part P is a place where stress is easily applied by vibration and wind pressure during transportation, but the ends of all the plates constituting these corner parts are reinforced by three stacked plate-like members. As a result, cracks at the corners are less likely to occur.

  Specifically, the connecting portion P includes the horizontal plates 13 and 14 of the square frames 11A and 11C that are overlapped at the first stage, and the horizontal plates 13 and 14 of the square frames 11B and 11D that are overlapped at the second stage. And a connecting portion between the two vertical plates 16 and 15 of the square frames 11A and 11B stacked in the first row and the vertical plates 16 and 15 of the square frames 11C and 11D stacked in the second row. is there. In the connecting portion P, a vertical plate standing portion (standing portion 25 or 26) is overlapped on the inner surface of the end portion of one of the two horizontal plates 13 and 14 stacked in each step. At the same time, the upright portion of the vertical plate is not stacked on the other horizontal plate, and the upright portion (horizontal plate standing portion 23 or 24) is erected. Similarly, of the two vertical plates 16 and 15 stacked in each row, a horizontal plate standing portion (horizontal plate standing portion 23 or 24) is stacked on the inner surface of the end portion of one vertical plate. At the same time, the upright portion is not stacked on the other vertical plate, and the upright portion (vertical plate upright portion 25 or 26) is set up.

  That is, in the connecting portion P, the two stacked plates (the horizontal plates 13 and 14 or the horizontal plates 15 and 16) have the other plate standing on the inner surface of one plate and the other plate. The standing portion is not overlapped on the inner surface of the rim, and instead, the standing portion is erected from the end portion. And the standing part is piled up on the inner surface of said one board. Thereby, in this embodiment, all the edge parts of the plate member which comprises the connection part P come to overlap three plate-shaped members.

  In addition, the standing part of the same square frame is overlapped also on the other end portions 13B to 16B of the plates 13 to 16 that are not overlapped with the horizontal plate and the vertical plate of the other square frame, The installation part is connected by a bolt and a nut inserted into the hole 27. However, three plate-like members are not stacked at this connecting portion. For example, the upper plate standing portion 26 of the square frame 11A is overlaid on the upper end portion (the other end portion 14B) of the left horizontal plate 14 of the square frame 11A, and these are connected by bolts and nuts. However, since the horizontal plate and the vertical plate of other square frame bodies cannot be stacked on the left horizontal plate 14, two plate-like members (the left horizontal plate 14 and the upper plate standing portion 26) are stacked at this connecting portion. Only. The same applies to the lower plate 15 of the square frame 11A.

  In this embodiment, the member inserted into the hole 27 and connecting the three plates (for example, the horizontal plates 13 and 14 and the lower plate standing portion 25) is the bolt 28, but the screw, nail Other connecting members such as rivets may be used. Further, in this embodiment, the air filter mounting frame may have any number of square frames as long as a plurality of square frames are arranged.

DESCRIPTION OF SYMBOLS 10 Air filter attachment frame 11A-11F Square frame 13 Right side board 14 Left side board 15 Lower board (vertical board)
16 Upper plate (vertical plate)
23 Right horizontal plate standing part 24 Left horizontal plate standing part 25 Lower plate standing part (vertical plate standing part)
26 Upper plate standing part (vertical plate standing part)
27 holes 28 bolts (connecting members)

Claims (4)

A plurality of quadrangular frame bodies composed of a pair of horizontal plates opposed to each other and a pair of vertical plates opposed to each other and connecting ends of the pair of horizontal plates so that the horizontal plates are overlapped with each other. In the air filter mounting frame configured in parallel,
Each of the horizontal plate and the vertical plate has a plate-like horizontal plate standing portion and a vertical plate standing portion that are erected only from one end thereof, and each has an L shape.
Each of the pair of vertical plates has one end connected to the other end of each of the pair of horizontal plates, and each of the pair of horizontal plates has one end of each of the pair of vertical plates. Connected to
Each of the one end of the vertical plate connected to the other end of each of the two stacked horizontal plates is erected so as to be along the inner surface of the other side of the horizontal plate Vertical plate-like standing parts are connected to each other,
The two horizontal plates overlapped, the one end of one horizontal plate is overlapped with the other end of the other horizontal plate, and the other end of the one horizontal plate is the other side Inverted and arranged so as to overlap the one end of the horizontal plate,
Each of the vertical plate standing portions and the two overlapped horizontal plates are provided with holes at positions coincident with each other, and are connected by a connecting member inserted into the holes. . The plurality of square frames are arranged in a lattice shape, and at least two of the square frames are arranged in parallel so that vertical plates are stacked,
Of the two stacked vertical plates, the end of the horizontal plate connected to the end of one vertical plate is a plate-like horizontal erected along the inner surface of the one vertical plate. The plate standing part is connected,
2. The stacked two vertical plates and horizontal plate standing portions are provided with holes at positions corresponding to each other, and are connected by a connecting member inserted into the holes. Air filter mounting frame. Two rows of the rectangular frames arranged so that the horizontal plates are stacked are further stacked in two stages so that the vertical plates are stacked, and the four rectangular frames are arranged in a grid pattern. And
Two horizontal plates stacked in the first row, two horizontal plates stacked in the second row, two vertical plates stacked in the first row, and two stacked in the second row Of the two horizontal plates stacked in each step, the vertical plate standing portion is disposed along the inner surface of one horizontal plate, and the other horizontal plate is connected to the other horizontal plate. The horizontal plate standing portion is continuously provided, and the horizontal plate standing portion is disposed along the inner surface of one of the two vertical plates stacked in each row, and the other vertical plate. The air filter mounting frame according to claim 2 , wherein the vertical plate standing part is continuously provided. Each of the pair of vertical plates has one end connected to the other end of each of the pair of horizontal plates, and each of the pair of horizontal plates has one end of each of the pair of vertical plates. Connected to
Each of the one end of the horizontal plate connected to the other end of each of the two stacked vertical plates is erected along the inner surface of the vertical plate on the other end side. -Shaped horizontal plate standing parts are connected to each other,
In the two stacked vertical plates, the one end portion of one vertical plate is overlapped with the other end portion of the other vertical plate, and the other end portion of the one vertical plate is overlapped with the other vertical plate. Inverted and arranged so as to overlap the one end of the vertical plate,
Two vertical plates overlaid the respectively the transverse plate erected portion has a hole is provided at a position coincident with each other, according to claim 2 by the inserted coupling member in their holes, characterized in that it is connected The air filter mounting frame described in 1.

Images