KR102058731B1 - An air filter for clean room with easy filter replacement - Google Patents

Abstract

The present invention relates to an air purifying device for a clean room capable of easy filter replacement, which comprises: a housing which is fixated while being extended to a duct installed at a ceiling of a clean room; a plurality of locking means which are installed at inner four surfaces of the housing such that a purification filter inserted into the housing may be fixated in a one-touch method; a cover coupled to a lower surface of the housing, at which a plurality of through-holes are punched to discharge purified air. Here, the housing is provided with a first stepped protrusion in which the purification filter is inserted, and a second stepped protrusion which obtains an installation space for the locking means. Each of the locking means has a fixating block fixated to an inner wall surface of the housing, an elevating block elevated in the fixating block, and a control unit controlling the descension of the elevation block in a one-touch method. In addition, when the elevating block is ascended, a support block, which pressurizes and supports a lower surface of the purification filter, is formed to protrude.

Description

Cleaner Air Cleaner for Filter Replacement {AN AIR FILTER FOR CLEAN ROOM WITH EASY FILTER REPLACEMENT}

 The present invention relates to an air purifying device for a clean room that can be easily replaced with a filter. More specifically, a purifying filter of an air purifying device installed on a ceiling or a wall of a clean room can be easily attached and detached with bare hands without any tools. The present invention relates to an air purifier for a clean room, in which a filter can be easily replaced to easily identify an operation state of the air purifier.

In general, a purifying filter (hepa filter) is used to collect fine dust in a separate isolated space to remove fine dust from the electronic manufacturing, operating room, pharmaceutical companies, etc., which requires a clean room.

Such a purification filter collects 99.97% or more of particulate matter of about 0.3 μm, and is used on the ceiling of a clean room.

At this time, when long-term use, fine dust accumulates in the purification filter and the air cannot be filtered efficiently, the purification filter is replaced at regular intervals.

However, in order to replace the purification filter, after removing the cover of the air purification device installed on the high ceiling in the state of climbing through the ladder, the purification filter can be replaced by disassembling the bracket with a separate tool to replace the purification filter.

Therefore, there is an uncomfortable problem to replace the purification filter in the state raised through the ladder.

In order to solve this problem, Korean Patent Utility Model No. 20-0439374, "Hepa filter unit for easy filter detachment and a blower filter unit for clean room having the same," has been proposed as a conventionally proposed technique.

This prior art is fixed through the clamp and the hook in a state in which the HEPA filter seated on the support frame in close contact with the inside of the case.

The HEPA filter can be separated only when the support frame is supported when the HEPA filter is replaced, and also has to be fixed through a clamp and a hook in a state where the HEPA filter is placed in a separate support frame and entered into the case. have.

Korea Utility Model Registration No. 0439374

The present invention has been made in view of the above problems, the first object of the present invention, a filter that can be easily attached and detached by a bare hand without a separate tool purification filter of the air purifier installed on the ceiling or wall of the clean room The present invention provides an air purifier for a clean room that is easy to replace.

It is a second object of the present invention to provide an air purifier for a clean room, in which a filter can be easily replaced so that an operation state of the air purifier can be easily identified.

According to a feature of the present invention for achieving the above object, the present invention relates to an air purifying device for a clean room that is easy to replace the filter, for this purpose, the housing is addressed and fixed to the duct installed in the ceiling of the clean room; And a plurality of locking means installed at four inner sides of the housing to fix the purification filter inserted into the housing with one touch. And a cover in which a plurality of through holes are coupled to the lower surface of the housing to discharge the purified air, wherein the housing has a first step of inserting a purification filter therein and an installation space of the locking means. A second step is formed to secure the second locking means, and each of the locking means includes a fixed block fixed to the inner wall surface of the housing, an elevating block which is lifted inside the fixed block, and an operation unit which controls the lowering of the elevating block with one touch. In addition, the lifting block is characterized in that the support block for pressing and supporting the bottom surface of the purification filter when raised.

In the second invention, in the first invention, the fixed block is formed with an inclined guide inclined surface so that the lifting block is exposed, the guide inclined surface is formed with a plurality of locking grooves to control the operation portion, The lifting and lowering rail is inserted into the central area is characterized in that the lifting rail is formed.

The third invention, in the second invention, the lifting block is coupled to the bar protruding to both sides, the rod is detached from the operation portion by the coil spring, the operation portion is inserted into the rod body, the insertion piece and the, The pressing piece extending downward to the insertion piece, the extension piece extending upward to the insertion piece, and the end of the extension piece is characterized in that it is composed of a locking piece that is partially inserted into the locking groove.

The fourth invention, in the first invention, the insertion surface of the elevating block and the surface of the elevating rail is in contact with each other in an oblique direction so that the support block is moved forward when the elevating block is raised to support the bottom of the purification filter. It is characterized in that the configuration.

The fifth invention, in the second invention, the guide rods are further coupled to both sides of the lifting block to guide the escape and rise and fall on both sides of the elevating block, the two sides of the fixed block to guide the guide rod diagonally It characterized in that it further comprises a long groove formed in the direction.

The sixth invention, in the first invention, the cover is further formed with an identification hole having a larger inner diameter than the through hole, the identification hole is rotated by the air discharged through the purification filter to check the operating state of the air purifying device Impeller is installed, different colors are applied to each wing of the impeller is characterized in that a single color is expressed by the rotation.

According to a seventh invention, in the first invention, the cover is formed with an identification hole having a larger inner diameter than that of the through hole, and the identification hole is provided with a "┛" shape rotating plate coated with different colors, and the rotating plate is It is characterized in that it is configured to rotate in the "┓" direction by the pressure of the air to make a color change.

According to the air cleaning device for a clean room of the present invention, the filter can be easily replaced, and there is an effect that the purification filter can be easily attached and detached only by the lifting block lifting operation and the pressing operation of the operation unit without a separate tool.

In addition, since the purification filter is easily attached and detached, there is an effect that it is possible to replace the purification filters in the plurality of air purifiers installed in the clean room in one time instead of two.

In addition, the operation of the air purifier installed in the clean room, there is an effect that can be easily recognized through the color expressed in the identification hole.

1 is a perspective view of an air purification device for a clean room easy to replace the filter according to the present invention;
2 is a cross-sectional view of FIG.
3 is a perspective view and an exploded perspective view of the extracted locking means,
Figure 4 is a conceptual diagram showing whether or not the operation of the air purifier for clean room easy filter replacement according to the present invention,
5 is an operation diagram showing an operating state of the locking means according to the present invention.

The following objects, other objects, features and advantages of the present invention will be readily understood through the following preferred embodiments associated with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms.

Rather, the embodiments introduced herein are provided so that the disclosure may be made thorough and complete, and to fully convey the spirit of the present invention to those skilled in the art.

The embodiments described and illustrated herein also include complementary embodiments thereof.

In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, the words "comprise" and / or "comprising" do not exclude the presence or addition of one or more other elements.

In describing the specific embodiments below, various specific details are set forth in order to explain and understand the invention in more detail. However, one of ordinary skill in the art can understand that the present invention can be used without these various specific contents. In some cases, it is mentioned in advance that parts of the invention which are commonly known in the description of the invention and which are not highly related to the invention are not described in order to avoid confusion in describing the invention.

Hereinafter, with reference to the accompanying drawings with respect to the air purification device for a clean room easy to replace the filter according to the present invention will be described in detail.

1 is a perspective view of an air purification device for a clean room easy to replace the filter according to the present invention, Figure 2 is a cross-sectional view of Figure 1, Figure 3 is a perspective view and an exploded perspective view of the locking means extracted from Figure 1, 4 is a conceptual diagram showing whether or not the operation of the air cleaning device for a clean room easy to replace the filter according to the present invention.

As shown in Figures 1 to 4, the present invention can be easily attached and detached with a bare hand without a separate tool purification filter of the air purifier installed on the ceiling or the wall of the clean room, and the operation of the air purifier The present invention relates to an air purifier for a clean room, in which a filter can be easily replaced by an eye.

The clean air conditioner for easy filter replacement consists of three parts, which is composed of a housing 10, a purifying filter 20, a locking means 30, and a cover 50.

The housing 10 is a structure that is fixed to the duct is installed on the ceiling of the clean room.

The housing 10 has a first step 11 in which a purification filter 20 is inserted and supported therein, and a second space for securing an installation space of the locking means 30 to fix the purification filter 20. Step 12 is formed.

The purification filter 20 is inserted into the first step 11 and is configured to easily attach and remove the purification filter 20 by the locking means 30 installed on the second step 12.

The locking means 30 functions to fix the purification filter 20 inserted into the housing 10 by one touch, and is installed in four inner sides of the housing 10.

2 and 3, the locking means 30, the fixed block 31 is fixed to the inner wall surface of the housing 10, the lifting block 32 which is elevated in the interior of the fixed block 31, It is the structure which has the operation part 33 which controls the lifting of the lifting block 32. As shown in FIG. At this time, the lifting block 32 is integrally formed with a support block 321 for pressing and supporting the bottom of the purification filter 20.

Here, the fixed block 31 has a guide inclined surface 311 formed along an oblique direction so that the lifting block 32 can be exposed, and a plurality of locking grooves 312 intermittently intercepts the operation unit 33 in the guide inclined surface 311. ) Is formed, and the lifting rail 313 is inserted into the lifting block 32 is guided in the central region of the guide slope 311.

At this time, the insertion surface of the elevating block 32 and the surface of the elevating rail 313 are in contact with each other in an oblique direction so that the support block 321 is moved forward when the elevating block 32 is raised to purify the filter 20 It is configured to support the bottom of the.

This configuration is configured to remove the interference when the lifting block 32 is inserted or detached because the lifting block 32 is moved in an oblique direction and moved to the inner wall of the housing even when the lifting block 32 is lowered. to be.

And both sides of the elevating block 32, the guide rods 324 are coupled to protrude on both sides so as to guide the separation prevention and rise and fall, and the guide rods 324 on both sides of the fixed block (31) It further comprises a long groove 314 formed in an oblique direction to guide.

Here, the elevating block 32 is a stable elevating along the diagonal track because the guide rod 324 moves the long groove 314 when the elevating block 32, and the elevating block 32 is separated from the fixed block 31 Can be prevented.

In addition, the elevating block 32 has a structure in which the rods 322 protruding to both sides are coupled, and the operation unit 33 is detached by the coil springs 323 that are arranged on the rods 322.

The operation part 33 includes an insertion piece 331 inserted into the rod 322, a pressing piece 332 extending downwardly into the insertion piece 331, and an extension piece extending upwardly from the insertion piece 331. 333, and the end of the extension piece 333 is bent and consists of a locking piece 334 that is partially inserted into the locking groove 312.

When the operation unit 33 raises the elevating block 32, the engaging piece 334, which is bent on the extension piece 333, is raised along the guide inclined surface 311 while being locked by the tension of the coil spring 323. Automatically inserted in 312, thereby allowing the elevated lifting block 32 to be constrained in that position.

In addition, the operation unit 33 is pressed by the pressing piece 332 by hand is released from the locking piece 334 inserted into the locking groove 312, which is released by the lifting block 32 is automatically lowered by its own weight Done.

Accordingly, the one-touch operation of the elevating block 32 provides a structure in which the purification filter 20 inserted into the housing 10 can be easily attached and detached with bare hands without any tools.

Meanwhile, at least one locking groove 312 formed on the guide inclined surface 311 of the fixed block 31 is installed, and according to the thickness of the purification filter 20, the rising degree of the lifting block 32 is adjusted or the support block ( 321 may adjust the degree of pressurization.

In addition, as shown in (a) of FIG. 4, the cover 50 further includes an identification hole 52 having a larger inner diameter than the through hole 51, and checks the operation state of the air purifier in the identification hole 52. In order to do so, the impeller 60a is rotated by the air discharged through the purification filter 20. Each of the wings of the impeller (60a) is a different color color is applied is a configuration in which a single color is expressed by the rotation.

Generally, the air purifier is installed on the ceiling of a clean room, and thus, the operation state of the clean room is not confirmed. In the present invention, a single color expressed in the identification hole 52 is visually identified to determine whether the air purifier is operated. It will be easy to recognize.

In another example, as shown in (b) of FIG. 4, the cover 50 is further formed with an identification hole 52 having a larger inner diameter than the through hole 51, and the identification holes 52 have different colors. The rotating plate 60b of the "┛" shape to which the color was apply | coated can be constructed by coaling.

The rotating plate 60b is configured to be rotated in the "┓" direction by the pressure of the air to change the color, it is possible to recognize whether the air purifier is operating through the color identified by the identification hole (52). .

Hereinafter, the replacement of the purification filter of the air purification device for a clean room that is easy to replace the filter according to the present invention will be described briefly.

5 is an operation diagram showing an operating state of the locking means according to the present invention.

As shown in FIG. 5A, when the user removes the cover 50, the support block 321 of the elevating block 32 is in a state of pressing and supporting the bottom surface of the purification filter 20.

In this state, the user presses the pressing piece 332 of the operation part 33 with one hand by one hand to release the locking piece 334 inserted into the locking groove 312.

Then, as shown in FIG. 5B, the restraint of the elevating block 32 with respect to the fixed block 31 is released, and the elevating block 32 is automatically lowered due to its own weight.

At this time, since the elevating block 32 is moved in an oblique direction and moved to the inner wall of the housing 10, the elevating block 32 can avoid interference when inserting or detaching the purification filter 20. In addition, the lifting block 32 is prevented from being separated from the fixed block 31 because the guide rod 324 moves the long groove 314.

When the release of the lifting block 32 proceeds with one touch along four sides of the housing 10, the contaminated purification filter 20 is replaced with the uncontaminated purification filter 20.

The uncontaminated purification filter 20 may be inserted into the first step 11 of the housing 10 and then lifted up and down the lifting block 32, as shown in (c) of FIG. The engaging piece 334 that is bent on the extension piece 333 may be automatically inserted into the engaging groove 312 by the tension of the coil spring 323 while being raised along the guide inclined surface 311 of the fixed block 31. . Here, the elevated lifting block 32 supports the bottom of the purification filter 20 by the support block 321 and fixes it to the housing 10.

The support of the purification filter 20 proceeds along the four inner surfaces of the housing 10, and thus the purification filter 20 can be firmly fixed to the inside of the housing 10.

Thereafter, the cover 50 is assembled to the housing 10 so that the replacement of the purification filter 20 can be easily detached with bare hands without any tools.

As described above, the rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and various modifications and adaptations are made within the scope of the rights described in the claims by those skilled in the art. It is self evident.

10: housing 11: first step 12: second step
20: Purification filter
30: locking means 31: fixed block 311: guide slope
312: Hanging groove 313: Lifting rail
314: long groove
32: lifting block 321: support block
322: bar 323: coil spring
324: guide rod
33: operation unit 331: insertion piece
332: push 333: extension
334: jam
50: cover 51: through hole 52: identification hole
60a: impeller 60b: rotating plate

Claims (7)

In the air purifier installed on the ceiling of a clean room,
A housing 10 which is fixed to the duct installed on the ceiling of the clean room and fixed;
A plurality of locking means (30) installed on four inner sides of the housing (10) to fix the purification filter (20) inserted into the housing (10) with one touch; And
A plurality of through holes 51 are coupled to the lower surface of the housing 10 to discharge the purified air; perforated cover 50;
The housing 10 has a first step 11 in which the purification filter 20 is inserted and a second step 12 for securing an installation space of the locking means 30,
Each of the locking means 30 includes a fixed block 31 fixed to an inner wall surface of the housing 10, a lifting block 32 that is lifted inside the fixed block 31, and the lifting block 32. It has the operation part 33 which controls a fall by one touch,
The lifting block 32 has a support block 321 protruding from the bottom surface of the purification filter 20 to support when raised.
The fixed block 31 has an inclined guide inclined surface 311 so that the elevating block 32 can be exposed, and a plurality of locking grooves 312 for intermittently controlling the operation unit 33 in the guide inclined surface 311. Is formed, and the lifting rail 313 is inserted into the lifting block 32 is inserted in the central region of the guide slope 311 is formed,
Guide rods 324 are further coupled to both sides of the lifting block 32 so as to guide the separation and the rising and falling of the lifting block 32.
Both sides of the fixing block 31 further comprises a long groove 314 formed in an oblique direction to guide the guide rods 324, the filter for easy clean room air purification device.
delete The method of claim 1,
The lifting block 32 is coupled to the rod body 322 protruding to both sides, the operation unit 33 is removed from the rod body 322 by the coil spring 323,
The operation unit 33 includes an insertion piece 331 inserted into the rod body 322, a pressing piece 332 extending downwardly into the insertion piece 331, and an extension piece extending upwardly from the insertion piece 331 ( 333), and the filter piece is easy to replace the air cleaning device, characterized in that composed of a hook piece 334, the end of the extension piece 333 is bent and partially inserted into the locking groove (312).
The method of claim 1,
The insertion surface of the elevating block 32 and the surface of the elevating rail 313 are in contact with each other in an oblique direction so that the support block 321 is moved forward when the elevating block 32 is raised so that the bottom surface of the purification filter 20 Easy to replace the filter, characterized in that configured to support the air cleaning device for a clean room.
delete The method of claim 1,
The cover 50 is further formed with an identification hole 52 having a larger inner diameter than the through hole 51, the identification hole 52 through the purifying filter 20 to check the operating state of the air purifier The impeller 60a is rotated by the discharged air,
Each wing of the impeller (60a) is a different color color is applied to a clean room air cleaning device for easy filter replacement, characterized in that a single color is expressed by the rotation.
The method of claim 1,
In the cover 50, an identification hole 52 having a larger inner diameter than that of the through hole 51 is further formed, and the identification hole 52 has a "┛" shape rotating plate 60b coated with different colors. It's snowballed,
The rotary plate (60b) is easy to replace the filter, characterized in that the color change is made to rotate in the "┓" direction by the pressure of the air cleaning device for clean room.

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