JPH0719544Y2 - Double seal filter unit device and filter used for the device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention provides a filter capable of double-sealing, which has concave grooves for filling a sealing material in upper and lower portions of a filter frame body made of a metal plate. The present invention relates to a double seal filter unit device used and a filter used in the device.

[Prior Art] Conventionally, as a method for attaching a filter to a filter unit fixedly mounted on the ceiling surface, for example, Japanese Patent Publication No. 61-58210
The one disclosed in FIG. 5 of the issue was known. The above disclosed method is a method of filling a special liquid in the concave portion of the filter mounting frame suspended from the ceiling, and immersing and hanging the hanging pieces of the side plates constituting the filter in the special liquid. .

[Problems to be Solved by the Invention] However, in the above-described conventional filter mounting method,
There is a problem that only the lower part of the filter is sealed, and the upper part is not sealed at all, and it is difficult to maintain sufficient airtightness.

In order to solve such a problem, the present invention aims to provide a double seal filter unit device which seals both the upper and lower parts of the filter and a filter used in the device.

[Means for Solving the Problems] According to the present invention, four side plates made of metal plates are joined and fixed in a rectangular shape to form a filter frame body, and an L-shaped projecting piece is formed on the lower outer surface of each side plate. The lower L-shaped groove is fixed by connecting continuously, and the inverted L-shaped projecting piece is continuously fixed and fixed on the upper side surface of each side plate to form the upper groove, so that each of the upper and lower grooves has viscosity. A sealing material made of a liquid or an adhesive material having an adhesive property, respectively, and a pleated filter paper is mounted and fixed in the filter frame body to form a filter, while four side walls and a top plate are respectively joined. In addition to fixing, the casing formed with the intake opening is hung on a beam or the like, and an inverted L-shaped upper plate provided with a vertically extending piece is continuously provided and fixed to the upper part of each side wall of the casing. Furthermore, on the outside of the lower part of each side wall,
A horizontal piece, a hanging piece, and a protruding piece are connected in a hook shape, and the base end of the horizontal piece of a mounting plate is continuously connected and fixed at a right angle, and the mounting plates are joined in a rectangular frame shape. , The horizontal nuts of the mounting plate are fixed at a predetermined interval, and the nuts with the bag are pierced and fixed, and the filter holder that pushes the filter upward is fixed by projecting and fixing the long cylinder with the female screw inside. A metal fitting is formed, and a tightening bolt screwed into the long cylinder from below the filter holding metal fitting is screwed into the nut with bag, and the vertically extending piece is used as a sealing material in the upper groove.
Further, means for immersing or press-fitting the lower end edge of each side wall into the sealing material in the lower groove, or four side plates made of metal plates are joined and fixed in a square shape to form a filter frame body, and An L-shaped protruding piece is continuously provided and fixed to the lower outer surface of each side plate to provide a lower concave groove, and an inverted L-shaped protruding piece is continuously provided and fixed to an upper side surface of each side plate to provide an upper concave groove. The upper and lower concave grooves are respectively filled with a sealing material made of a viscous liquid or an adhesive material having an adhesive property, and a pleated filter paper is mounted and fixed in the filter frame body to form a filter. On the other hand, an insertion piece is hung on the inner end of the horizontal piece, and a hanging piece and a projecting piece are connected to the outer end of the horizontal piece in a hook shape. To form a mounting frame plate and suspend the mounting frame plate on a beam, etc. The wall and the top plate are joined and fixed to each other, and the intake opening is provided, and the casing equipped with the blower is hung on the beam or the like.Furthermore, the nuts with the bag are attached to the horizontal pieces of the mounting frame plate at predetermined intervals. A long cylinder with a female screw inside is fixed to the upper surface of the filter holding piece that is fixed through and presses the filter upward to form a filter holding metal fitting, and screwed to the long cylinder from below the filter holding metal fitting. The tightening bolt inserted is screwed into the nut with the bag, the insert piece is dipped or press-fitted into the sealing material in the upper groove, and the lower edge of each side wall of the casing is sealed in the upper groove. The above-mentioned problems were solved by adopting a means of dipping or press-fitting in.

[Operation] According to the present invention having the above-mentioned configuration, the filter is double-sealed above and below the filter and attached to the casing of the filter unit, thereby further enhancing the sealing degree of the filter.

[Embodiment] An embodiment of the present invention will be described in detail with reference to the drawings. Four side plates 1 made of a metal plate such as aluminum are joined and fixed in a rectangular shape to form a filter frame body 2. An L-shaped projecting piece 3 is continuously provided and fixed to the lower outer surface of each side plate 1 constituting the filter frame body 2 to form a lower groove 4 with the lower outer surface of the side plate 1, while each side plate 1 is formed. The inverted L-shaped projecting piece 5 is continuously provided and fixed to the upper inner side surface of the side plate to form the upper recessed groove 6 with the upper inner side surface of the side plate 1, and in each of the lower recessed groove 4 and the upper recessed groove 6. A sealing material 7 made of, for example, a viscous liquid such as silicone grease or a permanent adhesive such as a polyamide resin is filled, and the filter frame 2 is further pleated. A filter 9 is formed by mounting and fixing the filter paper 8.

An embodiment in which the filter 9 having the above-described structure is mounted and fixed to the filter unit 10 suspended by a suspension bolt (not shown) on a beam or the like will be described with reference to FIGS. 2 and 3.

The filter unit 10 according to this embodiment has four side walls.
The casing 11 is formed by joining and fixing 11 in a square shape and the ceiling plate 12 is joined and fixed thereabove, and is immersed or press-fitted into the sealing material 7 in the upper concave groove 6 of the filter 9 at the upper portion of each side wall 11 of the casing 13. An inverted L-shaped upper plate 15 having a vertically extending piece 14 is continuously connected and fixed, and the lower end edge portion 11a of each side wall 11 is fixed.
Is soaked or press-fitted into the sealing material 7 in the lower groove 4, a hanging piece 17 is hung vertically downward from the tip of the horizontal piece 16, and a protrusion protruding outward at the lower end edge of the hanging piece 17. Piece 18
To form a mounting plate 19, and the base end of the horizontal piece 16 of the mounting plate 19 is connected and fixed at a right angle to the outside of the lower portion of each side wall 11, and further each mounting plate is fixed. 19 are joined in a rectangular frame shape, and the ceiling plate 20 is provided on the tip edge of the protruding piece 18 of the mounting plate 19.
Are fixed and placed on the horizontal pieces 16 of the mounting plate 19 at predetermined intervals, and the nuts 21 with a bag are fixed by penetrating through the openings of the nuts 21.
A long cylinder in which a female screw 23 is provided on the upper surface of a filter pressing piece 22 for pressing the filter 9 upward by contacting the lower surface of the
24 is protrudingly fixed to form a filter pressing metal fitting 25, and a tightening bolt 26 screwed into the long cylinder 24 from below the filter pressing metal fitting 25 is screwed into the nut 21 with bag,
The filter pressing piece 22 of the filter pressing metal fitting 25 is formed so as to press the filter 9 upward.

In the figure, 27 is an air intake opening penetrating the top plate 12 to take air into the casing 13, and 28 is a diffusion plate having a large number of small holes.

Then, when the filter 9 is placed on the filter holding piece 22 of the filter holding metal fitting 25 and the tightening bolt 26 is tightened, the filter 9 gradually rises as the filter holding metal fitting 25 rises. The lower end edge portion 11a of each side wall 11 is dipped or pressed into the sealing material 7 in the lower groove 4, and the vertically extending piece 14 is dipped or pressed in the sealing material 7 in the upper groove 6. The upper and lower surfaces of the filter 9 are double-sealed to increase the degree of sealing.

Another embodiment in which the filter 9 having the above-described structure is mounted and fixed to the filter unit 30 suspended by a suspension bolt (not shown) on a beam or the like will be described with reference to FIGS. 4 and 5.

In the filter unit 30 according to this embodiment, a short insertion piece 31 for immersing or press-fitting into the sealing material 7 in the lower groove 4 of the filter 9 is vertically installed at an inner end of a horizontal piece 32, and the horizontal piece 32 is provided. A hanging piece 33 is provided at the outer end of the hanging piece 33, and a projecting piece 34 projecting outwardly is connected to the lower end edge of the hanging piece 33 in the shape of a hook. The mounting frame plate 36 is fixed to form a mounting frame plate 36, and the mounting frame plate 36 is hung on a beam or the like by a hanging bolt (not shown), and the tip edge of the protruding piece 34 of each mounting plate 35 of the mounting frame plate 36 is fixed. A ceiling plate 37 is placed and fixed on the ceiling plate 37, and a nut 38 with a bag is fixed to each of the horizontal pieces 32 of each of the mounting plates 35 at predetermined intervals so that the opening portion of the nut 38 penetrates and is fixed downward. Lower groove 4
A long cylinder in which a female screw 40 is internally provided on the upper surface of a filter pressing piece 39 for pressing the filter 9 upward by contacting the lower surface of the
41 is projected and fixed to form a filter pressing metal fitting 42, and a tightening bolt 43 screwed into the long cylinder 41 from below the filter pressing metal fitting 42 is formed so as to be screwed into the cap nut 38. A casing 46 having a side wall 44 and a top plate 45, into which the lower end edge 44a can be immersed or press-fitted, is hung by a hanging bolt (not shown) on a beam or the like in the sealing material 7 in the upper groove 6 of the filter 9. In addition to being installed, an intake opening 47 is opened in the top plate 45, and a blower 48 is fixedly formed on the lower surface of the intake opening 47.

In the figure, 49 is a diffusion plate having a large number of small holes.

Then, the filter 9 is attached to the filter holding metal fitting 41.
When the filter 9 is placed on the filter holding piece 39 and the tightening bolt 43 is tightened, the filter 9 gradually rises, and the insertion piece 31 of the mounting frame plate 36 is inserted into the sealing material 7 in the lower groove 4. The lower edge 44a of each side wall 44 of the suspended casing 46 is dipped or pressed into the sealing material 7 in the upper recessed groove 6 of the filter 9 while being dipped or pressed in, and the filter 9 is placed on the upper and lower surfaces. Each is double-sealed to increase the degree of sealing.

[Advantages of the Invention] According to the inventions of claims 1 and 2, the filter unit is securely double-sealed at two locations above and below the filter, and the sealing degree of the filter can be enhanced. In addition, since the sealing is performed only by attaching the filter to the filter unit, and it is not necessary to newly apply the sealing material, the construction period can be shortened.

According to the invention of claim 3, since the recessed grooves for filling the sealing material are formed at the upper and lower portions of the filter frame body, double sealing is performed at the upper and lower portions of the filter unit. It can be installed and the degree of sealing can be increased.

[Brief description of drawings]

FIG. 1 is a sectional view of the filter of the present invention, FIG. 2 is a sectional view showing an embodiment in which the filter is attached to a filter unit, FIG. 3 is a plan view thereof, and FIG. 4 is a sectional view showing another embodiment thereof. 5 and 5 are plan views of the same. In the figure, 1 is a side plate, 2 is a filter frame, 3 is an L-shaped protruding piece, 4 is a lower concave groove, 5 is an inverted L-shaped protruding piece, 6 is an upper concave groove, 7 is a sealing material, 8 is pleat. Type filter paper, 9 is a filter, 10 is a filter unit, 11 is a side wall, 11a is a lower edge portion, 12 is a top plate, 13 is a casing, 14 is a vertically extending piece, 15 is an upper plate, 16 is a horizontal piece, and 17 is a hanging piece. One piece, 18 is a protruding piece, 19 is a mounting plate, 21 is a cap nut, 22 is a filter holding piece, 23 is a female screw, 24 is a long tube, 25 is a filter holding metal fitting, 26 is a tightening bolt, 27 is an intake opening, 30 is a filter unit, 31 is an insertion piece, 32 is a horizontal piece, 33 is a hanging piece, 34 is a protruding piece, 35 is a mounting plate, 36 is a mounting frame plate, 38 is a cap nut, 39 is a filter holding piece, 40 is a Female screw, 41 is a long cylinder, 42 is a filter holding metal fitting, 43 is a tightening bolt, 44 is a side wall, 44a is a lower end edge portion, 4
5 is a top plate, 46 is a casing, 47 is an intake opening, and 48 is a blower.

Claims (3)

[Scope of utility model registration request] 1. A lower concave groove formed by connecting and fixing four side plates made of metal plates in a rectangular shape to form a filter frame body, and further fixing and fixing an L-shaped projecting piece on the lower outer surface of each side plate. On the other hand, an upper L-shaped projecting piece is continuously provided and fixed to the upper side surface of each side plate to provide an upper groove, and each of the upper and lower grooves has a viscous liquid or an adhesive property. A sealing material made of an adhesive material is filled in each, and a pleated filter paper is attached and fixed in the filter frame body to form a filter, while four side walls and a top plate are joined and fixed, and an intake opening is provided. The formed casing is hung on a beam or the like, and an inverted L-shaped upper plate having a vertically extending piece is continuously provided and fixed to the upper portion of each side wall of the casing. , The water of the mounting plate formed by connecting the horizontal piece, the hanging piece, and the protruding piece in a hook shape. The base end portions of the flat pieces are consecutively fixed at right angles, the mounting plates are joined and fixed in a rectangular frame shape, and the nuts with a bag are fixed through the horizontal pieces of the mounting plates at predetermined intervals, respectively. A long cylinder having a female screw therein is projectingly fixed to the upper surface of the filter pressing piece for pressing the filter upward to form a filter pressing metal fitting, and a tightening bolt screwed into the long cylinder from below the filter pressing metal fitting. A double seal filter in which the above-mentioned vertical piece is dipped or press-fitted into the sealing material in the upper groove and the lower end edge of each side wall is immersed in the sealing material in the lower groove. Unit device. 2. A lower concave groove formed by connecting and fixing four side plates made of metal plates in a square shape to form a filter frame body, and further fixing and fixing L-shaped projecting pieces on the lower outer surface of each side plate. On the other hand, an upper L-shaped projecting piece is continuously provided and fixed to the upper side surface of each side plate to provide an upper groove, and each of the upper and lower grooves has a viscous liquid or an adhesive property. Each of them is filled with a sealing material made of an adhesive, and a pleated filter paper is attached and fixed in the filter frame body to form a filter, while an insertion piece is hung vertically on the inner end of the horizontal piece, and the outside of the horizontal piece. A hanging frame and a projecting piece are connected to each other in a hook shape to form a mounting frame plate by joining and fixing the mounting plates in a rectangular shape, and the mounting frame plate is hung on a beam or the like. A casein provided with a blower, in which the four side walls and the top plate are joined and fixed to each other, and an intake opening is provided. Hang the cable on the beam, etc., and fix the nuts with a bag through the horizontal pieces of the mounting frame plate at predetermined intervals, and insert a female screw on the upper surface of the filter holding piece that presses the filter upward. The elongated cylinder is fixed by projecting to form a filter holding metal fitting, and a tightening bolt screwed into the long cylinder from below the filter holding metal fitting is screwed into the nut with the bag to insert the insertion piece into an upper groove. A double-seal filter unit device which is soaked or press-fitted into a sealing material inside thereof, and at the same time, the lower end edges of the side walls of the casing are soaked or press-fitted into the sealing material inside the upper concave groove. 3. A lower concave groove formed by connecting and fixing four side plates made of metal plates in a rectangular shape to form a filter frame body, and further fixing and fixing an L-shaped projecting piece to the lower outside surface of each side plate. On the other hand, an inverted L-shaped projecting piece is continuously provided and fixed to the upper inner surface of each side plate to provide an upper groove, and the upper and lower grooves are respectively filled with a liquid or viscous sealing material. A filter used in a double-seal filter unit device in which a pleated filter paper is mounted and fixed in the filter frame.