KR20030087173A - Cylinderical air cleaner for use in car and method manufacturing the same - Google Patents

Abstract

PURPOSE: A cylindrical air cleaner for an automobile and a manufacturing method of the same are provided to improve recyclability by forming filtering material, a rim and a cap with synthetic resins. CONSTITUTION: An air cleaner is formed with certain synthetic resins, and includes filtering material(210) filtering foreign matters contained in the air; an annular rim(220) formed with the synthetic resin of which the filtering material is made, and having an upper end of the filtering material circularly fixed thereon by mixing process; and a cap(230) formed with the synthetic resin of which the filtering material is made, and having a lower end of the filtering material circularly fixed thereon by the mixing process. The synthetic resin has rigidity and heat resistance better than pulp, and is, for example, polyester. The filtering material is made of polyester processed to be non-woven fabric, and has a plurality of wrinkles formed thereon in vertical direction. The rim has one first annular groove formed on a bottom thereof, and a penetrating hole(224) formed on a center thereof. The cap has one second annular groove(232) formed on an upper side thereof.

Description

Cylindrical air cleaner for car and method of manufacturing the same {Cylinderical air cleaner for use in car and method manufacturing the same}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to air purifiers and, more particularly, to cylindrical air purifiers for automobiles that filter intake air for combustion of fuel supplied to engines (engines) of automobiles.

In general, an automobile engine (engine) inhales a large amount of air (5,000 to 10,000 liters per liter of gasoline in a passenger car) from the outside for combustion of fuel supplied during a combustion stroke. As such, the air sucked from the outside contains impurities such as sand powder, dust, and dust. Accordingly, when the air sucked from the outside is supplied to the engine without removing impurities, the impurities wear on the inner wall surface of the engine cylinder and promote the wear of the sliding portion between the cylinder and the piston, thereby improving engine fuel economy. And adversely affect the output, and may be mixed with the engine oil to shorten the life of the oil filter. For this reason, an air purifier is mounted on the intake manifold side to remove impurities in the air sucked from the outside. Such air purifiers are consumables that are regularly checked and replaced, and may be formed in a plate shape, a cylindrical shape, or the like according to the rated air amount of a vehicle. In the present specification, cylindrical air applied to a large vehicle (such as a commercial vehicle) having a relatively high rated air amount The purifier is demonstrated.

1 is an exploded perspective view showing the configuration of a conventional cylindrical air purifier for automobiles. Referring to FIG. 1, a conventional cylindrical air purifier includes a filter paper 101, an inner perforation network 103, an outer perforation network 105, a rim 107, and a cap 109.

The filter paper 101 filters the air sucked into the vehicle to remove impurities contained in the air. The filter paper 101 is formed of a fabric reinforced by mixing pulp, polyester, polypropylene, and the like in a predetermined ratio and pressing it into a plate shape, and then impregnated with a phenol resin or the like. However, since the main raw material is pulp, the filter paper 101 is damaged for a predetermined pressure or more. .

The inner and outer perforated networks 103 and 105 are wire meshes having a plurality of through holes formed on a surface thereof, and are formed in a cylindrical shape. Here, the outer perforated network 105 protects the filter paper 101 from the pressure of the air sucked, thereby preventing the filter paper 101 from being damaged by air pressure.

The rim 107 is formed of an iron plate or tin plate and is fixed to upper ends of the filter paper 101, the inner and outer perforated networks 103 and 105, and spaces the filter paper 101 and the inner and outer perforated networks 103 and 105 at a predetermined interval. Keep it.

The cap 109 is also formed of a steel plate or tin plate, is fixed to the lower end of the filter paper 101, the inner and outer perforated network 103 and 105, the filter paper 101 and the inner and outer perforated network 103, 105 at regular intervals Keep it.

The prior art cylindrical cylindrical air purifier having the above-described configuration, the filter paper 101, the inner and outer perforated networks 103 and 105 molded separately to the rim 107 and the cap 109 using a predetermined adhesive. It is manufactured by fixing.

However, the air purifier of the prior art as described above, when disposing, it is necessary to separate the filter paper 101, the rim 107 and the cap 109 formed of different materials, the operation for the disposal of the air purifier The castle is degraded. Moreover, since the air purifier of the prior art uses the filter paper 101 impregnated with phenol, there is a problem that when incinerated the filter paper of the discarded air cleaner, carcinogens are generated to cause serious air pollution.

In addition, because of the above-described reasons, the air purifier of the prior art is mainly embedded, so that the recyclability is significantly reduced.

Accordingly, an object of the present invention is to provide a cylindrical air purifier for automobiles and a method of manufacturing the same, which can solve the problems of the prior art and improve recyclability.

In order to more fully understand the drawings used in the detailed description of the invention, a brief description of each drawing is provided.

1 is an exploded perspective view of a cylindrical air purifier for automobiles of the prior art.

2 is an exploded perspective view of a cylindrical air purifier for an automobile according to the present invention.

3A is a cross-sectional view of the rim taken along the line I-I of FIG.

FIG. 3B is a cross-sectional view of the cap taken along line II-II of FIG.

<Description of the symbols for the main parts of the drawings>

210: filter medium 220: Rim

222: first annular groove 232: through hole

230: Cap 232: second annular groove

One aspect of the present invention for achieving the above technical problem relates to a cylindrical air purifier for filtering the air sucked for the combustion of the fuel supplied to the vehicle engine. Air purifier according to an aspect of the present invention is formed of a predetermined synthetic resin, the filter medium for filtering the impurities contained in the air; An annular rim member formed of a synthetic resin substantially the same as the filter medium, and having an upper end of the filter medium fixed in a circle by a predetermined heat fusion process; And a cap member formed of a synthetic resin substantially the same as the filter medium, and having a lower end portion fixed in a circular shape by the heat fusion process.

Another aspect of the present invention for achieving the above technical problem relates to a method of manufacturing a cylindrical air purifier for automobiles. According to another aspect of the present invention, there is provided a method of manufacturing an air cleaner, comprising: a first step of placing an annular rim formed of a synthetic resin material substantially the same as the air filter material so as to face an upper end of an air filter material formed of a predetermined synthetic resin material; Positioning a cap of an annular shape formed of a synthetic resin material substantially the same as the air filter medium so as to face a lower end of the air filter medium; And a third step of fixing the upper end of the air filter medium to the rim by a predetermined heat fusion process, and fixing the lower end of the air filter medium to the cap.

In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, a cylindrical air purifier for an automobile according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is an exploded perspective view showing the configuration of a cylindrical air purifier for automobiles according to the present invention. Referring to FIG. 2, a cylindrical air purifier for an automobile according to the present invention includes a filter medium 210, a rim 220, and a cap 230. Here, the filter medium 210, the rim 220, and the cap 230 can be recycled, and have a good strength, heat resistance, and the like, compared to the pulp constituting the filter paper of the prior art (in this embodiment, the synthetic polymer material is It is formed of polyester.

The filter material 210 is a non-woven fabric of polyester, formed of a plurality of corrugations formed in a waveform formed in the vertical direction, by filtering the air sucked into the vehicle, the impurities contained in the air is introduced into the engine prevent.

The rim 220 has at least one first annular groove 222 (refer to FIG. 3A, two in the example) at the bottom thereof, and a through hole 224 at the center thereof. The peripheral portion of the first annular groove 222 is melted together with the upper end of the filter medium 210 by a predetermined heat fusion process to fix the upper end of the filter medium 210 to have a cylindrical shape. The through hole 224 guides the air passing through the filter medium 210.

The cap 230 has at least one second annular groove 232 formed thereon (see FIG. 3B, two in the example). The peripheral portion of the second annular groove 232 is melted together with the lower end of the filter medium 210 by a predetermined heat fusion process, and the lower end of the filter medium 210 is recessed to fix the cylindrical shape.

Preferably, both ends of the core perforated network (not shown) or a predetermined number (for example, three) of the support shafts formed of the polyester inside the filter medium 210 are formed by the rim 220 and the cap 230. It may be mounted to be supported. In this case, the core punching net or support shafts provide reinforcement to the filter medium 210 against the longitudinal impact (or vibration) of the cylindrical filter medium 210 applied to the rim 220 and the cap 230. do. In this case, in view of reducing the ventilation resistance, a predetermined number of support shafts are preferable to the core punching network as a means for providing the longitudinal reinforcement of the filter medium 210.

Method for manufacturing an air cleaner according to the present invention having the above configuration is as follows. First, a cap formed with a non-woven filter medium 210, a rim 220 and a second annular groove 232 having a first annular groove 222 and a through hole 224 formed of a recyclable polyester ( 230) are molded separately. In addition, the filter member 210 and the rim 220 are brought into close contact with the upper end of the first annular groove 222 and the filter medium 210, and the lower end of the second annular groove 232 and the filter medium 210 faces each other. The filter medium 210 and the cap 230 are in close contact with each other.

In this state, the contact portion between the filter medium 210, the rim 220, and the cap 230 is heated to about 350 ° C. to 450 ° C. using a predetermined heater. At this time, the upper end of the filter medium 210 is recessed in the first annular groove 222 of the rim 220, and the lower end of the filter medium 210 is recessed and fixed in the second annular groove 230 of the cap 230. .

The air purifier of the present invention as described above, since the filter medium 210 is formed in a nonwoven fabric, it can collect a lot of impurities such as dust than the air cleaner using the conventional filter paper 101.

In addition, the air purifier of the present invention, the filter medium 210, the rim 220 and the cap 230 are all formed of the same synthetic resin material (polyester), it is possible to recycle. Moreover, since the air purifier of the present invention is entirely formed of polyester, no harmful substances such as carcinogens are generated during incineration.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

The above-described automotive cylindrical air purifier of the present invention, since the filter medium 210, the rim 220 and the cap 230 are all formed of the same synthetic resin, it is possible to substantially recycle resources close to 100%.

In addition, the cylindrical cylindrical air purifier of the present invention formed of polyester, when incinerated, can be incinerated without a separation operation as in the prior art, the workability for disposal is improved, and no toxic gases such as carcinogens are generated. Therefore, air pollution can be minimized.

Moreover, the cylindrical cylindrical air purifier of the present invention to which the filter medium 210 formed of the non-woven synthetic resin is applied, since the outer perforated network applied to the existing air purifier is unnecessary, and thus, the manufacturing cost is low and the structure is simplified. .

Claims (6)

A cylindrical air purifier that filters inhaled air for combustion of fuel supplied to an automobile engine, A filter material formed of a predetermined synthetic resin and filtering the impurities contained in the air; An annular rim member formed of a synthetic resin substantially the same as the filter medium, and having an upper end of the filter medium fixed in a circle by a predetermined heat fusion process; And Cap member formed of a synthetic resin substantially the same as the filter medium, the lower end of the filter portion is fixed in a circular shape by the heat fusion process Cylindrical air purifier for cars, characterized in that it comprises a. The method of claim 1, wherein the rim member The cylindrical air cleaner of claim 1, wherein a first annular groove is formed in which the upper end of the filter medium is recessed. The method of claim 1, wherein the cap member is The cylindrical air cleaner of claim 1, wherein a second annular groove is formed in which the lower end of the filter medium is recessed. The method according to any one of claims 1 to 3, And at least one reinforcing force providing means mounted between the rim member and the cap member to provide a longitudinal reinforcing force of the filter medium. In the manufacturing method of the cylindrical air cleaner to filter the air sucked for the combustion of the fuel supplied to the vehicle engine, A first step of closely contacting an annular rim formed of a synthetic resin material substantially the same as the air filter material so as to face an upper end portion of the air filter material formed of a predetermined synthetic resin material; A second step of closely contacting an annular cap formed of a synthetic resin material substantially the same as the air filter medium so as to face a lower end of the air filter medium; And A third step of fixing the upper end of the air filter medium to the rim by a predetermined heat fusion process, and the lower end of the air filter medium to the cap Method of manufacturing a cylindrical air purifier for cars, characterized in that it comprises a. The method of claim 5, wherein the heat fusion process And heating a contact portion of each of the rim, the cap, and the air filter medium to 350 ° C. to 450 ° C. using a predetermined heater.