KR20040076014A - Car air-cleaner - Google Patents

Abstract

PURPOSE: An air cleaner for a vehicle is provided to prevent breakage of a structure for combining a filter assembly and to facilitate the combining work, by improving the combining structure of the filter assembly. CONSTITUTION: An air cleaner for a vehicle comprises a case(10); a fan installed in the case, to suck in air; a filter assembly installed in the case, to filter foreign materials from air moving by the fan; and a filter-combining unit combining the filter assembly to the case. The filter-combining unit has a first combining part(12) formed to the periphery of a filter insertion hole of the case, and a second combining part(22) formed to a part corresponding to the first combining part of the filter assembly. The first and second combining parts are combined by a slider(30). A slider guide part(23) is extended to a side of the second combining part, to make the slider slide toward the second combining part.

Description

Car air cleaner {CAR AIR-CLEANER}

The present invention relates to a car air purifier, and more particularly, to improve the coupling structure of the filter assembly to prevent breakage of the structure for coupling the filter assembly to the air purifier case, the car air purifier to facilitate the detachable operation It is about.

Currently, air cleaners installed in confined spaces such as automobile interiors are devices for purifying polluted air. The polluted air is sucked into the fan, and fine dust and bacteria are collected by a filter to remove airborne odors and cigarette smells. It is intended to be seized.

As the filter, a mechanical filter, a high performance filter for collecting particulates, and a deodorizing filter are used.

As shown in FIG. 1, a general automotive air cleaner 1 installed in an automobile is installed inside the case 2 and the case 2 and driven by using a motor (not shown) as a driving source. And a filter assembly 4 installed in the case 2 and filtering foreign matters from the air introduced by the fan.

As shown in FIG. 1, the upper surface of the case 2 is provided with air inlets 2a and air outlets 2b which are partitioned from each other.

As shown in FIG. 2, the filter assembly 4 is attached to the case 2 in a detachable manner.

As shown in FIG. 3, the air cleaner 1 configured as described above may be installed, for example, by screwing on the bottom of the rear package tray 5 installed at the rear of the rear seat of the vehicle.

According to the air cleaner 1 having such a structure, it is operated by a switch for operating the air cleaner installed in the instrument panel in front of the driver's seat, and when the air pollution level in the car exceeds a certain level, the fan motor is automatically supplied with power. This will drive. Contaminated air introduced through the inlet port 2a by the suction force of the fan passes through the filter assembly 4, and foreign substances such as dust are filtered and then supplied into the vehicle.

Hereinafter, referring to FIG. 2, the coupling structure of the filter assembly 4 to the case 2 will be described. Each of the guide rails 2c is formed on both sides of the case 2 so that the filter assembly 4 can be formed. (2) It is detachably installed while sliding inside, and hooks 4c elastically coupled to opposite walls of the case 2 are integrally formed at both sides of the filter frame 4a for coupling the filter assembly 4, respectively. The hook 4c is extended with a knob 4d for detaching the hook 4c from the case 2.

According to the filter assembly coupling structure of the air cleaner according to the prior art, when the filter assembly 4 is inserted into the case 2, the hook 4c is elastically caught by the case 2, so that the filter assembly 4 is connected to the case ( 2) is combined. Meanwhile, in order to separate the filter assembly 4, the knobs 4d are pushed inward to separate the hook 4c from the case 2, and then the filter assembly 4 is pulled out to remove the filter assembly 4. Separated in 2).

However, according to the filter assembly coupling structure of the air purifier for automobile according to the prior art, the hook 4c is somewhat elastic because the filter assembly 4 is coupled to the case 2 by the self elastic force of the hook 4c. As such, the hook 4c must be long and thin in order to have elastic force, so that the hook 4c easily breaks when the filter assembly 4 is attached and detached.

In order to separate the filter assembly 4, the filter assembly 4 must be taken out while simultaneously pressing the knobs 4d on both sides, and the installation place of the air cleaner 1 is separated from the filter assembly 4. Because it is narrow to take the work for the extraction of the filter assembly 4 is also cumbersome and inconvenient disadvantage.

Accordingly, an object of the present invention is to solve the above problems, and to provide an air cleaner for an automobile in which a structure for coupling the filter assembly is not damaged.

In addition, another object of the present invention is to be able to attach and detach the filter assembly without being limited by space.

1 is a perspective view of a vehicle air cleaner according to the prior art.

Figure 2 is a cross-sectional view of the filter assembly applied to the air purifier for automobiles according to the prior art removed.

Figure 3 is a side view of the vehicle showing the installation state of the air purifier for automobiles.

Figure 4 is an exploded perspective view of the filter assembly for showing a filter assembly coupling structure according to the air purifier for automobiles of the present invention.

5 to 6b are respectively a front view showing a detached state of the filter assembly according to the filter assembly coupling structure according to the air purifier for automobiles of the present invention.

Figure 7 is a plan view showing another example of the filter assembly coupling structure according to the air purifier for automobiles of the present invention.

<Code Descriptions Used in Main Parts of Drawing>

10: air purifier case, 11: filter insertion hole

12,22: coupling portion, 20: filter assembly

21 frame, 23 slider guide portion

30: slider,

The present invention for achieving the above object, the case; A fan installed inside the case to suck air, and a filter assembly installed inside the case to filter foreign matter from air introduced by the fan; In the air cleaner for a vehicle comprising a filter coupler for coupling the filter assembly to the case,

The filter coupler, the first coupling portion formed around the filter insertion hole of the case; And a second coupling part formed at a portion corresponding to the first coupling part of the filter assembly, wherein the first and second coupling parts are coupled by a slider.

A slider guide part may be extended on one side of the second coupling part such that the slider is slidable toward the second coupling part.

The slider guide portion and the second coupling portion may be formed in a tapered shape that is wider toward one side so that the slider is not separated.

Each of the first and second coupling parts may include a locking jaw facing outward, and the slider may have an approximately recessed shape in which one side is opened, and both sides of the slider protrude in a direction facing each other to catch the locking jaw. These may each be formed.

A jaw for preventing separation of the slider may protrude from the upper end of the slider guide part / the lower end of the second coupling part.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts. The same reference numerals as used in FIGS. 1 and 2 indicate the same components.

As shown in Figure 4, according to the air purifier for automobiles according to the present invention, the first coupling portion 12 along the upper and lower longitudinal directions, respectively, on both side walls of the filter insertion hole 11 of the air purifier case 10; Protruding forward, the portion corresponding to the case-side first coupling portion 12 of the frame 21 of the filter assembly 20 (where the corresponding portion is the filter assembly 20 is completely in the filter insertion hole 11) The second coupling portion 22 protrudes along the longitudinal direction and is formed to be proximate to each other. And the filter assembly 20 may be coupled to the case 10 by the slider 30 is fitted in the second coupling portion (12, 22) in a sliding manner.

The first and second coupling parts 12 and 22 may have the same length. In addition, the second coupling part 22 may have a tapered shape having a wide bottom.

The slider 30 couples the filter assembly 20 to the air purifier case 10 by being detached from two adjacent coupling parts 12 and 22, and the slider 30 for convenience of storage of the slider 30. ) May be stored in case 10 or filter assembly 20. For example, the slider guide portion 23 for installing the slider 30 may be extended upward on the upper side of the second coupling portion 22. The slider guide portion 23 may have a width in which two coupling portions 12 and 22 are combined.

Slider 30 is formed in the shape of a substantially deciduous opening on one side is inserted in the slider guide portion 23 is stored, and sliding to the first and second coupling portions (12, 22) of the lower side to combine them.

As shown in FIG. 5, the slider guide 23 has a tapered shape in which the width of the slider 30 is widened upward so that the slider 30 is not separated from the slider guide 23. Can be. Only one side of the slider guide 23 may be tapered, and both sides may be tapered.

In addition, jaws 23a and 22a may be further formed at the upper end of the slider guide 23 and the lower end of the second coupling part 22 to prevent separation of the slider 30.

The filter assembly 20 may be slidably installed on guide rails (not shown) formed on both inner sides of the case 10 as in the related art.

Although the slider 30 is only described as sliding up and down so far, the first and second coupling parts 12 and 22 are disposed in the left and right width directions on the top or bottom of the air cleaner case 10 and the filter assembly 20. The slider 30 may be coupled to the filter assembly 20 as the slider 30 slides from side to side.

Referring to the operation of the air cleaner for a vehicle according to the present invention configured as described above are as follows.

As shown in FIG. 4, when the filter assembly 20 is pushed into the filter insertion hole 11 to install the filter assembly 20 in the case 10, the filter assembly 20 slides along the guide rail. While being inserted into the filter insertion hole (11).

When insertion of the filter assembly 20 is completed, the front surface of the filter assembly 20 and the front surface of the case 10 are arranged in a straight line so that the first and second coupling portions 12 and 22 are arranged as shown in FIG. 5. Arranged side by side so that they form one bond.

Subsequently, as shown in FIG. 6A, when the slider 30 fitted to the slider guide portion 23 is lowered, two coupling portions 12 and 22 close to the inside of the slider 30 are fitted together to form the filter assembly 20. ) Is fixed to the case 10. As shown in FIG. 6B, the slider 30 may be forcefully coupled to two coupling parts 12 and 22 arranged side by side. At this time, since the second coupling portion 22 has a wide tapered shape, the slider 30 may not fall out.

Hereinafter, the operation of separating the filter assembly 20 coupled to the air cleaner case 10 will be described. As shown in FIG. 5, when the slider 30 in FIG. 6A is pushed up to the upper slider guide 23, the first and second coupling parts 12 and 22 are released to freely separate the filter assembly 20. can do. At this time, the slider 30 is not separated from the slider guide 23 because the slider guide 23 has a tapered shape.

When the filter assembly 20 is withdrawn from the case 10, the filter assembly 20 is withdrawn from the case 10 while sliding along the guide rail.

7 is another example of the slider coupling structure applied to the filter assembly coupling structure according to the air purifier for automobiles of the present invention. As shown in the figure, the locking jaw (outside the first and second coupling portions 12 and 22) is shown. 12a and 22b may be formed, respectively, and second engaging jaws 31 and 32 may be formed at both ends of the slider 30 to prevent separation by the engaging jaws 12a and 22b. That is, the slider 30 is not inserted into the first and second coupling parts 12 and 22 by the locking jaw 12a, 31, 22b, and 32, as described above. To combine.

As described above, according to the air purifier for an automobile according to the present invention, the filter assembly is coupled to the case by sliding the slider into the coupling portion of the air cleaner case and the filter assembly, so that the coupling portions are coupled to the elastic force of the conventional filter assembly. As long as the hook to be coupled by, is not formed thin, it is possible to prevent breakage of the coupling portion, the slider when the filter assembly attached and detached.

In addition, since the filter assembly can be detached by sliding the slider up and down, the filter assembly can be assembled / disassembled even in a narrow space.

While the invention has been described and illustrated in connection with a preferred embodiment for illustrating the principles of the invention, the invention is not limited to the configuration and operation as such is shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (6)

A case 10; A fan assembly installed inside the case to suck air, and a filter assembly installed inside the case to filter foreign matters from air introduced by the fan; In the air cleaner for a vehicle comprising a filter coupler for coupling the filter assembly to the case, The filter coupler, the first coupling portion 12 formed around the filter insertion hole of the case; And a second coupling part 22 formed at a portion corresponding to the first coupling part of the filter assembly, wherein the first and second coupling parts are coupled by a slider 30. Purifier. The air cleaner of claim 1, wherein a slider guide portion (23) extends on one side of the second coupling portion to enable the slider to slide toward the second coupling portion. The air purifier of claim 2, wherein the slider guide portion is formed in a tapered shape, the width of which is widened toward one side so that the slider is not separated. 4. The air cleaner of claim 1 or 3, wherein the second coupling part is tapered. According to claim 2 or 3, wherein the first and second engaging portions are formed with engaging projections (12a, 22b) facing outwards, respectively, and the slider is formed in a substantially depressed shape with one side open at both ends thereof The air purifier for automobiles, characterized in that protruding in the direction facing each other is formed with a catching jaw (31, 32) that is caught on the catching jaw respectively. 4. The air cleaner of claim 2 or 3, wherein jaws (23a, 22a) for preventing separation of the slider protrude from the upper end of the slider guide part and the lower end of the second coupling part.