JPH11253726A - Roll filter device for air conditioning - Google Patents

Abstract

(57) [Problem] To provide a roll filter device for air-conditioning, which can efficiently perform a replacement operation of a filter medium roll and that does not impair the adhesion between the filter medium and the filter medium fence during operation. SOLUTION: In an air-conditioning roll filter device in which a filter medium F is fed while being sandwiched between a guide roll 12 and a filter medium fence 13, the guide roll 12 is detachably mounted on the apparatus main body 11. Features.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll filter device for air-conditioning in which a filter medium is fed while being sandwiched between a guide roll and a filter medium fence. More specifically, the present invention relates to a roll filter device for air-conditioning, which can efficiently perform a replacement operation of a filter material roll, and hardly impairs the adhesion between the filter material and the filter material fence during operation.

[0002]

2. Description of the Related Art An air-conditioning roll filter device has a structure in which a long filter medium roll is housed in one end of a device body and wound up at the other end side. As the dust collection surface of the contaminated filter media becomes contaminated, a new filter media is unwound from the filter media roll, and the contaminated filter media is wound up at the other end, thereby constantly improving the dust collection efficiency. The dust is removed on a high dust collecting surface.

As shown in FIG. 5, a filter medium F unwound from a filter medium roll is sent while being sandwiched between a guide roll 2 and a filter medium fence 3. In the device, the dust-collecting surface formed by the filter medium F is flat because the filter is fed linearly from one end to the other end of the device main body.

[0004] In recent years, the filter medium F has been introduced into the filter medium F so that the filter medium F can be fed straight so as to form a corrugated dust collection surface with a large amount of processing air. Improvements have been made to bend at an acute angle back and forth with respect to the direction.

[0005] However, in the case of the type in which the corrugated dust collecting surface is formed, as shown in FIG. 6, when the filter medium roll is replaced, the filter medium fence 3 and the guide roll 2 having a bent portion provided in a substantially V shape are used. Since the space between the filter media is narrow, it is difficult to pass the filter media F during this time, and the replacement of the filter media roll requires a lot of time and labor.

As shown in FIG. 7, in order to improve the workability at the time of replacement, a device having a wide bent portion, that is, a device having a wide interval between the filter medium fence 3 and the guide roll 2 at the bent portion is also proposed. Have been. However, in the case of this type, the adhesion between the filter medium F and the filter medium fence 3 becomes insufficient, and there has been a problem that the filter medium F is not smoothly fed.

[0007] The present invention has been made in view of such circumstances, and can efficiently perform the work of replacing the filter medium roll, and less likely to impair the adhesion between the filter medium and the filter medium fence during operation. It is an object of the present invention to provide an air conditioning roll filter device.

[0008]

In order to achieve the above object, an invention according to claim 1 is directed to a roll filter device for air-conditioning, wherein a filter medium is fed while being sandwiched between a guide roll and a filter medium fence. The gist of the present invention is a roll filter device for air conditioning, wherein the guide roll is detachably attached to the device main body.

According to a second aspect of the present invention, there is provided a roll filter device for air conditioning, wherein a detachable structure utilizing springs is provided at both ends of the guide roll so that the guide roll can be detached from the apparatus main body. And

According to a third aspect of the present invention, a detachable structure utilizing a spring is provided at one end of the guide roll.
The gist of the roll filter device for air conditioning is characterized in that the other end of the guide roll is rotatably attached to the device main body.

According to a fourth aspect of the present invention, there is provided a roll filter device for air conditioning, wherein the filter medium fence is constituted by a corrugated aperture plate.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An air conditioner roll filter device (hereinafter simply referred to as a filter device) of the present invention will be described in detail below with reference to an embodiment shown in the drawings. In the filter device of the present invention, the filter medium roll 10
1 is housed at one end inside. This filter medium roll 10
Is a predetermined dust collection efficiency (for example, 85% by AFI mass method).
And a filter medium having a tensile strength that can withstand the tensile force applied during winding.

The filter medium F unwound from the filter medium roll 10 is transferred to a take-up roll 16 rotating via a transmission device 15 such as a drive motor 14 and a chain or a belt disposed at the other end side inside the apparatus main body 11. It can be wound up. The filter medium F unwound from the filter medium roll 10 is:
The space between the filter medium roll 10 at one end inside the apparatus main body 11 and the take-up roll 16 at the other end inside the apparatus main body 11 is fed while being pinched between the filter medium fence 13 and the guide roll 12 provided in a wavy shape. As a result, a corrugated dust collecting surface is formed. The structure of the filter device is not limited to that shown in the drawings, and may be appropriately determined in consideration of the level of performance required for the filter device, the usage form, and the like.

In this filter device, the guide roll 12 is detachably mounted on the device main body 11. For this reason, when replacing the filter medium roll 10, the entire guide roll 12 or one end is removed from the apparatus main body 11, and the filter medium F is replaced.
Is arranged along the filter medium fence 13 and the guide roll 12 is mounted on the apparatus main body 11 again.

FIGS. 2 and 4 show an embodiment in which a detachable structure utilizing springs is provided at both ends of the guide roll 12 so that the guide roll 12 can be detached from the apparatus main body 11. 2 and 4, the guide roll shaft 18 is fixed to the apparatus main body 11 by a substantially U-shaped fixture 21.
It is fixed to. A through hole 22 through which the guide roll shaft 18 penetrates is formed at the center of the fixing bracket 21, and a through hole 23 of the apparatus main body 11 formed in the penetrating direction is formed.
The tip of the guide roll shaft 18 projects into the inside of the apparatus main body 11. A coil spring 17 provided around a guide roll shaft 18 is provided on the inner side surface at the center of the fixing bracket 21.
One end of the (spring) is fixed, and the other end of the coil spring 17 is pinned to the guide roll shaft 18 itself.
The guide roll shaft 18 is urged toward the guide roll 12 by the action of the coil spring 17.

On the other hand, holes 1 corresponding to the tip shape of the guide roll shaft 18 are provided at both ends of the guide roll 12, respectively.
The guide roll 1 is inserted into the apparatus main body 11 by fitting the tip of the guide roll shaft 18 into the hole 19.
2 can be attached. At this time, since the guide roll 12 is pressed by the guide roll shaft 18 urged toward the guide roll 12 by the action of the coil spring 17 as described above, the guide roll shaft 18 is moved during operation or transportation of the device. There is no danger that the leading end of the guide roll 12 will fall out of the holes 19 at both ends of the guide roll 12, and the guide roll 12 is securely mounted on the apparatus main body 11.

On the other hand, the guide roll 12 is removed by holding the knob 20 provided on the guide roll shaft 18 and pulling the guide roll shaft 18 in the direction opposite to the guide roll 12 against the urging force of the coil spring 17. This can be easily performed by pulling out the tip from the hole 19 of the guide roll 12.

In this embodiment, a coil spring is used as a means (spring) for urging the guide roll shaft 18 toward the guide roll 12, but depending on the size of the filter device and the required urging force, a leaf spring or the like may be used. Other elastic bodies can be used instead.

In the embodiment shown in FIG. 3, only one end of the guide roll is detachable from the apparatus main body 11, and the guide roll is rotated around the other end of the guide roll. The attachment / detachment structure using a spring provided at one end of the guide roll in the filter device shown in FIG. 3 is the same as that shown in FIGS. 2 and 4, and therefore the description is omitted here.

The other end of the guide roll 12 is attached by passing a rotation shaft 24 fixed to the apparatus body 11 through an attachment hole (not shown) formed in the same end. Connect one end to the device body 11
The guide roll 12 can rotate around the rotation shaft 24 when the guide roll 12 is removed.

The detachable structure using the above-mentioned spring includes, in addition to the one shown in FIGS. 2 to 4, a rotary shaft projecting outwardly at both ends of a guide roll via a spring, for example, in the apparatus body. By fitting it into the bearing hole fixed to
The guide roll can be freely designed in consideration of the type and size of the filter device, the type and thickness of the filter material roll, the thickness and size, the usage form, and the like, such as a device in which a guide roll can be attached to the device main body.

In the filter device of the present invention, the structure for detachably mounting the guide roll on the device body may be, for example, bearings at both ends of the guide roll, in addition to those illustrated in FIGS. The rotation shaft can be freely changed within a range described in claims, such as a rotation shaft protruding rotatably through the holding member, and a structure in which the rotation shaft is held by a holding member such as a clip fixed to the apparatus main body. be able to.

Further, as the filter medium fence, an aperture plate is used which is provided with apertures at a predetermined aperture rate in consideration of the performance required for an air conditioner roll filter device and the state of use in a plate-like material such as metal or plastic. be able to.

[0024]

The filter device according to the present invention is an air conditioning roll filter device in which a filter medium is fed while being sandwiched between a guide roll and a filter medium fence. The replacement can be easily performed by removing the entire guide roll or one end from the apparatus main body, arranging the filter medium along the filter medium fence, and attaching the guide roll to the apparatus main body again. For this reason, the work of replacing the filter medium roll can be performed efficiently, and the adhesion between the filter medium and the filter medium fence during operation is not impaired.

[Brief description of the drawings]

FIG. 1 is a plan view showing the entire filter device of the present invention.

FIG. 2 is a front view showing a structure for attaching and detaching guide rolls in the filter device of the present invention.

FIG. 3 is a front view showing another example of a guide roll attaching / detaching structure in the filter device of the present invention.

FIG. 4 is an enlarged view of a main part of a detachable structure using a spring in the filter device of the present invention.

FIG. 5 is an enlarged view of a main part showing a structure in which a filter medium is fed linearly in a conventional filter device.

FIG. 6 is a main part enlarged view showing a structure in which a filter medium is bent and fed so as to form a corrugated dust collecting surface in another conventional filter device.

FIG. 7 is an enlarged view of a main part showing another example of a structure in which a filter medium is bent and fed so as to form a corrugated dust collecting surface in another conventional filter device.

[Description of Signs] 10: Filter media roll 11: Device body 12: Guide roll 13: Filter media fence 17: Coil spring 18: Guide roll shaft 19: Hole 24: Rotating axis F: Filter media

Claims (4)

[Claims] 1. An air-conditioning roll filter device in which a filter medium is fed while being sandwiched between a guide roll and a filter medium fence, wherein the guide roll is detachably attached to an apparatus main body. Roll filter device. 2. The air-conditioning roll filter device according to claim 1, wherein a detachable structure using a spring is provided at both ends of the guide roll so that the guide roll can be detached from the apparatus main body. 3. The apparatus according to claim 1, wherein a detachable structure using a spring is provided at one end of the guide roll, and the other end of the guide roll is rotatably attached to the apparatus main body. Roll filter device for air conditioning. 4. The air-conditioning roll filter device according to claim 1, wherein the filter medium fence comprises a corrugated aperture plate.