JPH08196842A - Device for installing filter and its installation - Google Patents

Abstract

PURPOSE: To make easy the fitting work of a filter to an installing frame and also to make sure the tight adhesion of the filter to the installing frame by arranging filter receivers and filter tightening metal fittings in prescribed places. CONSTITUTION: Filters 5a, 5b, 5c are respectively fitted in filter receivers 2a and, 2b, 3a and, 3b, 4a and, 4b installed in both the lower corner parts of each grid of grid-shaped filter fitting frames 1. Next, by tightening metal fixtures 6a, 6b, 7a, 7b fitted to the fitting frame 1, the filters 5a, 5b and 5b, 5c are tightened at the same time to tightly adhere the filters to the fitting frame. Thus, the fitting work of the filters to the fitting frames is made easy and the tight adhesion is also made sure and there is no leakage of dust frame fitting surfaces.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter mounting device and a filter mounting method for an air cleaning filter device.

[0002]

2. Description of the Related Art Conventionally, as a method for mounting an air cleaning filter, a filter having a relatively low dust collection efficiency, for example, a coarse dust filter having a collection efficiency of 40 to 80% by weight is used as a filter mounting frame. As a mounting method, a so-called drop-in method has been widely used in which the filter is inserted into a filter holder having a groove having a width slightly larger than the thickness of the filter. However, in this method, the filter and the filter mounting frame are not in close contact with each other, and a filter having a high collection efficiency cannot be used because dust leaks from the mounting surface.

[0003]

Recently, as a pre-filter for a filter device, a filter having a higher dust collecting efficiency than that of a conventional coarse dust filter has been used, and the dropping method which has been conventionally used has been used. It's gone. When a prefilter with high dust collection efficiency is used as described above, in order to bring the filter into close contact with the mounting frame, a method of tightening the filter with a filter retainer and a nut on a stud bolt fixed to the mounting frame has been adopted. However, in this method, the nut is screwed to a position corresponding to the thickness of the filter and further tightened with a predetermined tightening torque so that the filter and the mounting frame come into close contact with each other. Normally, four stud bolts are required for each filter, and when the number of filters is large, the filter mounting work is troublesome, and this work requires skill. Therefore, an object of the present invention is to provide a filter mounting device and a filter mounting method that can simplify the above-mentioned filter mounting work and can bring the filter and the mounting frame into close contact with each other.

[0004]

In order to achieve the above-mentioned object, the filter mounting device of the present invention is a filter mounting device for mounting a plurality of filters, wherein a grid-shaped filter mounting frame and both corners of the lower part of each filter are provided. Filter holders provided at both lower corners of each lattice to support the filter, and a tightening fitting provided on a mounting frame between the adjacent filters for simultaneously tightening and mounting the adjacent filters. .

The tightening metal fitting is fitted between the mounting metal frame and the main body of the tightening metal fitting fixed to the mounting frame, and 9
It is composed of a filter pressing spring assembled so as to be rotatable by 0 ° and a shaft fixed to the filter pressing spring. The filter pressing spring is housed in the main body when the filter is not attached, and When mounting and tightening, the filter holding spring is preferably rotated by 90 ° by rotating the shaft by 90 ° to bring the filter into close contact with the mounting frame. Further, it is preferable that the tightening metal member includes a thumbscrew and a filter pressing plate.

Further, in the filter mounting method of the present invention, in the filter mounting method for mounting a plurality of filters, the lower corners of each filter are provided at the lower corners of each grid of the grid-shaped filter mounting frame. It is characterized in that the filter is supported by a filter support, and the adjacent filters are simultaneously brought into close contact with the mounting frame by a fastening metal fitting provided on the mounting frames between the adjacent filters at the same time. The tightening fittings used here are those mentioned above,
Similarly, it is preferable that the operation for tightening be as easy as possible.

Further, in the filter mounting method of the present invention, in the filter mounting method for mounting a plurality of filters, the lower corners of each filter are provided at the lower corners of each grid of the grid-shaped filter mounting frame. Supported by a filter holder,
Two upper and lower adjacent ones of the first and the first filter are provided by a filter clamp provided between the lower side of the first filter and the upper side of the second filter disposed below the first filter. The two filters are brought into close contact with the mounting frame at the same time, and further by a filter tightening fitting provided between the lower side of the second filter and the upper side of the third filter arranged below the second filter. It is preferable to bring the second and third filters into close contact with the mounting frame at the same time. According to the filter mounting method described above, the number of tightening metal fittings required for each filter is two.

[0008]

According to the filter mounting device and the mounting method of the present invention, by disposing the filter receiver and the filter tightening metal fitting at predetermined positions, the mounting work of the filter on the mounting frame becomes easy and the filter mounting The close contact with the mounting frame is ensured, and the dust does not leak from the mounting surface.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 shows a front view of an embodiment of a filter mounting device of the present invention, FIG. 2 shows a side view thereof, and FIG. 3 shows a line A- in FIG.
A sectional view along A is shown. As shown in FIG. 1, filters 5a, 5b, 5c are attached to filter receivers 2a, 2b, 3a, 3b, 4a, 4b provided at both lower corners of each lattice of the lattice-shaped filter mounting frame 1, respectively. There is no limitation on the shape of these filter receivers as long as the attached filter cannot be easily removed from the mounting frame. Next, the upper and lower filters 5a and 5b and 5b and 5c are simultaneously tightened by the tightening metal fittings 6a, 6b, 7a and 7b attached to the mounting frame 1 to bring the respective filters into close contact with the mounting frame. It should be noted that tightening metal fittings 8a and 8b and 9a and 9b as shown in FIG. 1 are attached to the mounting frames of the upper side of the filter 5a and the lower side of the filter 5c, respectively, so that the filters 5a and 5c are mounted. Tighten and tightly attach to the frame.

Although there are various tightening fittings for tightening the filter, the tightening fittings shown in FIGS. 4 (A) and 4 (B) are the tightening fitting body 12 and the mounting frame 1 which are fixed to the filter mounting frame 11.
1 is composed of a filter pressing spring 13 which is fitted between the main body 12 and the main body 12 and is rotatable 90 °, and a shaft 14 fixed to the filter pressing spring 13. When the filters 15a and 15b are not attached, the filter pressing spring 13 is housed in the tightening metal fitting main body, and when the filters 15a and 15b are attached and tightened, the shaft 14 is rotated by 90 ° and the shaft 14 is rotated. The filter pressing spring 13 fixed to the shaft also rotates 90 ° and works so as to bring the filters 15a and 15b into close contact with the mounting frame 11. In the same way, tighten the filter with all the tightening fittings. The tightening metal fittings 8a, 8
b, 9a and 9b are tightening metal fittings 6a, 6b, 7a and 7
Compared to the case where two filters b adjacent to each other are closely attached to the mounting frame at the same time, only one filter is required to be closely attached to the mounting frame, and the filters do not protrude outside the lattice-shaped filter mounting frame 1. Therefore, one of the filter pressing springs is shortened. Other than that, tightening metal fittings 6a, 6b,
7a and 7b are similar in configuration and tightening.

5 (A) and 5 (B) are for tightening the filter with thumbscrews, and the upper and lower filters 21a, 21b
The filter pressing plate 22 is applied to and the thumbscrew 23 is manually turned and tightened so that the filters 21a and 21b are brought into close contact with the mounting frame 24. 6 and 7 show an example of the structure when a windsink type filter is used. Filters 31a, 31b
Is attached to the filter receivers 33a and 33b provided at both lower corners of each lattice of the filter mounting frame 32, and is fastened with the fastening metal fittings 34 attached to the mounting frame 32.

[0012]

As described above, according to the filter mounting device and the mounting method of the present invention, the mounting work of the filter on the mounting frame becomes easy, and the filter and the mounting frame are firmly attached to each other. There is no leakage of dust. Therefore, there is an advantage that it can be applied not only to the attachment of the coarse dust filter having a low dust collection efficiency but also to the attachment of the filter of the medium performance filter class.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of a filter mounting device of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4A is a front view of the fastening metal fitting used in the present invention. FIG. 4B is a sectional view of the fastening metal fitting shown in FIG. 4A.

5 (A) is a front view of the fastening metal fitting used in the present invention. (B) is a cross-sectional view of the fastening metal fitting of FIG. 5 (A).

FIG. 6 is a front view of another embodiment of the present invention (when a windsock filter is attached).

7 is a cross-sectional view taken along the line BB of FIG.

[Explanation of symbols]

 1 Mounting frame 2a, 2b, 3a, 3b, 4a, 4b Filter receiver 5a, 5b, 5c Filter 6a, 6b, 7a, 7b Tightening metal fittings 8a, 8b, 9a, 9b Tightening metal fittings (for filter up and down) 11 Mounting frame 12 Tightening metal fitting body 13 Filter holding spring 14 Shaft 15a, 15b Filter 21a, 21b Filter 22 Filter holding plate 23 Thumbscrew 24 Mounting frame 31a, 31b Filter 32 Mounting frame 33a, 33b Filter receiving 34 Clamping fitting

Claims (7)

[Claims] 1. A filter mounting device for mounting a plurality of filters, comprising a grid-shaped filter mounting frame,
It has a filter holder provided at both lower corners of each lattice to support both corners of each filter lower portion, and a tightening fitting provided on a mounting frame between adjacent filters for simultaneously tightening and attaching adjacent filters. A filter mounting device characterized in that 2. A tightening fitting body, wherein the tightening fitting is fixed to a mounting frame, and a filter pressing spring fitted between the mounting frame and the main body and assembled to be rotatable by 90 degrees.
The filter pressing spring is housed in the main body when the filter is not attached and the filter is attached and tightened by rotating the shaft by 90 °. 2. The filter mounting device according to claim 1, wherein the filter pressing spring is rotated by 90 [deg.] By moving the filter pressing spring to bring the filter into close contact with the mounting frame. 3. The filter mounting device according to claim 1, wherein the tightening metal member comprises a thumbscrew and a filter pressing plate. 4. A filter mounting method for mounting a plurality of filters, wherein both corners of a lower part of each filter are supported by filter receivers provided at both corners of a lower part of each grid of a grid-shaped filter mounting frame, and adjacent filters are provided. A filter mounting method characterized in that the adjacent filters are brought into close contact with the mounting frame at the same time by tightening metal fittings provided on the mounting frame between the adjacent filters for simultaneously tightening. 5. A tightening fitting body, wherein the tightening fitting is fixed to a mounting frame, and a filter pressing spring fitted between the mounting frame and the main body and assembled so as to be rotatable by 90 °.
The filter pressing spring is housed in the main body when the filter is not attached and the filter is attached and tightened by rotating the shaft by 90 °. The filter mounting method according to claim 4, wherein the filter pressing spring is rotated by 90 ° by being moved so that the filter is brought into close contact with the mounting frame. 6. The filter mounting method according to claim 4, wherein the tightening metal member comprises a thumbscrew and a filter holding plate. 7. A filter mounting method for mounting a plurality of filters, wherein both corners of a lower part of each filter are supported by filter receivers provided at both corners of a lower part of each grid of a grid-shaped filter mounting frame. Two upper and lower adjacent first and second filters are provided by a filter clamp provided between the lower side of the filter and the upper side of the second filter disposed below the first filter. At the same time with the mounting frame, and further by means of a filter tightening fitting provided between the lower side of the second filter and the upper side of the third filter disposed below the second filter. And a third filter is closely attached to the mounting frame at the same time.