KR200450709Y1 - The structure of ventilation fan for attaching grill and grill cover - Google Patents

Abstract

The present invention relates to a detachable structure of the ventilator grille and grille cover, the object of the present invention can be eliminated the problem of the occurrence of a defective hook protrusion that occurred when the conventional injection molding method, that is, outside the tolerance range, It is to provide a detachable structure of the fan grill and the grill cover that can maintain a semi-permanent stable detachable coupling state even if the repeated grill detachable operation is performed several times the form of the detachable coupling means of the grill and the ventilation fan.

Detachable structure of the fan grill and the grill cover according to the present invention, along the circumference of the open one surface of the fan body, the edge portion having a predetermined width and thickness; A plurality of first magnetic bodies mounted on the edge portion; A plurality of first magnetic body accommodating grooves formed in the edge portion to accommodate the first magnetic body; And when assembling the grill to the rim, a plurality of mounted on the grill surface opposite to the first magnetic body mounted on the rim portion, respectively, a plurality of detachable to the first magnetic body through the coupling by the magnetic force and the separation by the external force Through two second magnetic bodies, the grill is configured to be detachably coupled to an open side of the ventilator body.

Fan, Grill, Grill Cover, Detachable

Description

Detachable structure of the fan grill and grill cover {TH STRUCTURE OF VENTILATION FAN FOR ATTACHING GRILL AND GRILL COVER}

The present invention relates to a detachable structure of the fan grill and the grill cover, and more specifically, through the magnetic receiving groove formed in the fan frame, the grill and the grill cover respectively and the magnetic body mounted in the magnetic receiving groove, respectively, the fan grill and grill Removable coupling of the cover is made, to prevent the deformation of the detachable mechanism by the repeated detachable operation relates to a removable structure of the fan grill and the grill cover to enable a semi-permanent stable coupling and easy separation.

In general, buildings such as homes and offices are usually installed in a manner that is buried in the upper part of the ceiling finish of the building to maintain a comfortable indoor environment by forcibly exhausting carbon dioxide, polluted air and odors accumulated in the interior space to the outside.

1 is an exploded perspective view showing a general configuration of a fan.

As shown in FIG. 1, a typical fan includes a fan body 10 for accommodating an exhaust fan having a motor therein; A fan cover 20 for protecting the exhaust fan; Grill 30 is assembled to the open side of the fan body as a plate-like member configured in the form of a net, and configured to be detachable coupling; And it is configured to include a grill cover 40 detachably coupled to the grill (30).

2 (a) and 2 (b) are a plan view and a side view showing a conventional grill structure detachably coupled to a fan.

Referring to Figure 2, the conventional ventilator through the coupling and separation of the hook projection 32 formed in the grill 30 and the hook receiving groove (Fig. 1; 12) formed in the ventilator body, the body ventilator body 10 and the grill ( 30) is configured to enable a removable coupling.

However, the detachable method through the hook protrusion 32 and the hook receiving groove 12 as described above had the following problems.

Conventional ventilators installed in homes and offices are designed such that a grill coupled to the ventilator body can bear a weight of about 3 kg.

This means that when an adult worker intends to repair and clean the fan, the gripping force of the hook protrusion which can easily detach the grill from the fan body and at the same time can maintain the grill stably coupled to the fan at the same time. Because it corresponds to the degree of.

In addition, in order to generate the appropriate locking force as described above, as shown in Figure 3, the portion that the edge of the hook receiving groove 12 is located in a certain area (A) of the hook projection (32). The hook protrusion 32 should be manufactured to be caught.

If not, that is, if the hook projection 32 is caught in the corner portion of the hook receiving groove 12 in a position outside the appropriate fastening area (A) of the hook receiving groove 12, the hook protrusion 32 ) Is easily detached from the hook accommodation groove 12 even with a slight external force so that the grill 150 is separated from the ventilation fan body, or the hook protrusion 32 is firmly fastened to the hook accommodation groove 12. This makes it very difficult to separate the grill from the ventilation fan body.

Therefore, in order to prevent the occurrence of the above problems, the hook protrusion 32 formed in the conventional grill is specifically in the appropriate fastening position of the hook receiving groove 12 as described above within the tolerance range of about 0.5mm. It is designed to be combined.

However, the hook protrusion 32 is typically manufactured by injection molding, so that a large amount of the hook protrusion 32 is produced beyond the tolerance range.

As described above, the hook protrusion 32 manufactured to exceed the tolerance range has a problem in that normal detachment is not made from the ventilation fan body and thus remains a defective product.

In addition, even if it is manufactured while satisfying the tolerance range, the plastic shrinkage / expansion of the hook protrusion 32 occurs due to a change in the temperature and humidity of the installation space, or plastic due to the repeatedly detachable operation of the grill. Due to the lowering of the elastic force, the hook protrusion 32 has a problem that exceeds the tolerance range, there is a problem that the normal detachment of the grill is not made.

The present invention has been made to solve the above problems, the object of the present invention, even if a number of repeated grill detachable operation is performed or the installation environment such as temperature / humidity changes drastically, the grill and ventilation It is to provide a detachable structure of the fan grill and the grill cover that can maintain the ideal detachable coupling state semi-permanently without changing the shape of the detachable coupling means of the fan.

Still another object of the present invention is to provide a detachable structure of a ventilator grill and a grill cover that can be eliminated when the conventional injection molding method occurs, that is, a problem of generation of a defective hook protrusion outside the tolerance range.

Detachable structure of the ventilator grill and grill cover according to the present invention for achieving the above object is a ventilator body, an exhaust fan that is accommodated in the ventilator body and a grill that is detachably coupled to the open one surface of the ventilator body In

An edge portion formed along a circumference of an open surface of the ventilator body and having a predetermined width and thickness; A plurality of first magnetic bodies mounted on the edge portion; A plurality of first magnetic body accommodating grooves formed in the edge portion to accommodate the first magnetic body; And when assembling the grill to the rim, a plurality of mounted on the grill surface opposite to the first magnetic body mounted on the rim portion, respectively, a plurality of detachable to the first magnetic body through the coupling by the magnetic force and the separation by the external force Through two second magnetic bodies, the grill is configured to be detachably coupled to an open side of the ventilator body.

According to the detachable structure of the fan grill and the grill cover according to the present invention, even if the grill is repeatedly detached from the fan body several times, or even if the installation environment, such as temperature / humidity changes rapidly, detachable coupling means of the grill and the ventilation fan Since the shape is not deformed, there is a remarkable effect to enable a stable coupling and easy separation of the grill and grill cover semi-permanently.

In addition, according to the detachable structure of the ventilator grill and grill cover according to the present invention, the grill and grill cover production process does not require a precise dimension range as in the prior, there is a remarkable effect that can significantly reduce the defective rate.

Detachable structure of the ventilator grille and grill cover according to the present invention is basically, the edge portion 120 formed along the circumference of the ventilator body 100, the grill 150 coupled to the edge portion 120 and the grill 150 By mounting a plurality of magnetic material to each of the grill cover 170 is coupled to the grill, the grill 150 and the grill cover 170 is configured to be removable coupling from the fan.

In particular, the detachable structure of the ventilator grill and grill cover according to the present invention guides the grill 150 and the grill cover 170 to be easily assembled from the ventilator body 100, the fitting groove in addition to the coupling force by the magnetic force Through the support force of the grill 150 and the grill cover 170 proposes a structural feature that can be stably assembled and fixed to the ventilator body 100 without being shaken by the external force.

4 (a) and (b) is a plan view and a perspective view showing a rim portion formed along the circumference of the ventilator body and a first magnetic body receiving groove formed in the rim portion in the detachable structure of the ventilator grill according to the present invention.

As shown in Figure 4, the exhaust fan body 100 according to the present invention, the exhaust fan 110 for inducing the discharge of air is accommodated therein, the periphery of the open one surface of the exhaust fan body 100 Accordingly, the edge portion 120 configured to have a predetermined width and thickness is formed.

The grill 150 is configured to be fitted along the circumference of the edge portion 120 so that the grill 150 and the edge portion 120 are assembled and separated.

In addition, the edge portion 120 formed in the ventilator body 100 stably accommodates the first magnetic material (FIG. 5; 140), and an operator easily fixes the grill 150 to the edge portion 120. The first magnetic body receiving groove 130 is formed to guide the assembly in position, and to fix the assembled grill 150 to be more stably coupled to the body without shaking.

As used herein, the term "magnetic material" refers to materials such as permanent magnets and steel, which are coupled to each other by a magnetic force and are separated from each other by a predetermined external force (force applied by a worker when removing the grill).

5 is a first embodiment of the fan grill detachable structure showing a specific structure of the edge portion is mounted on the first magnetic material according to the present invention, Figure 6 (a) and (b) according to the first embodiment of FIG. 6 is a cross-sectional view and a perspective view illustrating a structure of a grill which is detachably coupled to an edge portion, and FIG. 6 (c) is a cross-sectional view illustrating a state where the grill is coupled to the edge portion according to the first embodiment, and FIG. Another embodiment of the assembling protrusion formed in the.

5 and 6, the rim portion 120 according to the present invention is provided with a plurality of receiving grooves 130 for accommodating the first magnetic body 140, and the rim 150 of the rim. A plurality of first assembling protrusions for accommodating the second magnetic material 160 on the surface of the grill 150 facing the first magnetic material 140 mounted to the edge part 120 in the state assembled to the part 120. 152 protrudes from the surface of the grill 150.

The second magnetic body 160 is mounted to an end of the first assembly protrusion 152 formed on the grill 150 surface. Specifically, as shown in FIG. 6 (a), the second magnetic body 160 is attached to the end surface formed at the end of the first assembling protrusion 152 through an adhesive, or as shown in FIG. 6 (d). As described above, a coupling groove capable of sufficiently accommodating the second magnetic body 160 is formed at an end of the first assembling protrusion 154 to insert the magnetic body into the coupling groove to fix the coupling.

Hereinafter, the operation of the receiving groove 130 formed on the edge portion 120 and the first assembly protrusion 152 formed on the grill 150 surface will be described in more detail.

Referring to FIG. 5, a first magnetic body accommodating groove 130 according to the present invention includes a first accommodating groove 132 and a second for accommodating the first magnetic body 140 thereinto be attached to one surface formed therein. The second assembly groove 134 is configured to guide the first assembly protrusion 152 on which the magnetic body 160 is mounted to be accommodated therein.

The size of the first receiving groove 132 according to the present invention is preferably configured to be larger than the size of the second receiving groove 134.

This is to provide a sufficient attachment space for stably mounting the first magnetic body 140 on the interface between the first receiving groove 132 and the second receiving groove 134.

That is, the first magnetic body 140 may be configured to be attached to the side of the first receiving groove 132 through the adhesive force of the adhesive, as described above, the first receiving groove 132 and the second receiving groove 134. By securing the attachment space of the first magnetic body 140 through the boundary surface generated by differently configuring the cross-sectional area of the, the first magnetic body 140 is firmly mounted to the first receiving groove 132 It becomes possible.

In addition, the first accommodating groove 132 and the second accommodating groove 134 may be configured to penetrate and connect with each other.

This allows the first magnetic body 140 mounted on the ventilation fan body and the second magnetic body 160 mounted on the grill 150 to directly influence the magnetic force, thereby maximizing the coupling force by the magnetic force. This is to allow 150 to be firmly coupled to the ventilation fan.

In addition, the first receiving groove 132 is preferably configured to have the same shape as the first magnetic body 140 mounted to the first receiving groove 132.

For example, when the first magnetic body 140 mounted on the edge portion 120 according to the present invention has a disk shape, the first receiving groove 132 also has a disk shape to configure the first magnetic material ( Adhesion is possible through contact between the side of the side 140 and the side of the first receiving groove 132, the first magnetic body 140 is stably accommodated inside the first receiving groove 132 without shaking and the external force By this, the first magnetic body 140 can be prevented from being separated.

In addition, the second receiving groove 134 may be configured in the same shape as the first assembly protrusion 152 inserted into the second receiving groove 134.

The first assembly protrusion 152 of the grill 150 coupled through the magnetic force between the first magnetic body 140 and the second magnetic body 160 fits snugly into the second receiving groove 134. By being caught by the side of the second receiving groove 134, it is to prevent the left and right shake of the grill 150 by the external force and to be stably coupled to the ventilator body 100.

Figure 7 is a second embodiment showing a specific structure of the edge portion on which the first magnetic material according to the present invention is mounted.

Referring to FIG. 7, the first magnetic body accommodating groove 136 of the edge portion 120 according to the second embodiment may accommodate the first magnetic body 140 in the thickness portion region of the edge portion 120. It is formed in a stepped structure so that the first magnetic body receiving groove 136 is configured not to penetrate through the thickness portion of the edge portion 120 so that the first magnetic body 140 of the first magnetic body 140 receiving groove It is configured to be adhesively fixed to the bottom.

In addition, the shape of the first magnetic body accommodating groove 136 according to the second embodiment may also be configured to have the same shape as the first magnetic body 140 for the same reason as described in the first embodiment.

Figure 8 (a) is a cross-sectional view showing the structure of the grill cover coupled to the grill according to the present invention and Figure 8 (b) is a cross-sectional view showing a state in which the frame portion, the grill and the grill cover is coupled according to the present invention.

Referring to FIG. 8, the grill cover 170 according to the present invention is mounted on the grill cover 170 and is detachably coupled with the second magnetic body 160 through the coupling by the magnetic force and the separation by the external force. It is configured to include a magnetic body (180).

A plurality of second assembly protrusions 172 protrude from the grill cover 170, and the third magnetic body 180 is mounted at an end of the second assembly protrusion 172.

The shape of an end portion of the second assembly protrusion 172 on which the third magnetic body 180 is mounted attaches the third magnetic body 180 through an adhesive to a plane formed at the end of the second assembly protrusion 172, Alternatively, a coupling groove having a stepped structure capable of sufficiently accommodating the third magnetic body 180 may be formed at an end of the second assembly protrusion 172 to insert and fix the magnetic body into the coupling groove ( Not shown).

In addition, when the coupling groove of the stepped structure is formed as described above to couple the third magnetic body 180 to the second assembly protrusion 172, the step height of the coupling groove is the thickness of the third magnetic body 180. It is preferable to comprise in the dimension which does not exceed length.

This is to maximize coupling force by magnetic force by allowing one surface of the third magnetic body 180 to be in contact with one surface of the second magnetic body 160.

The grill cover 170 having a plurality of second assembly protrusions 172 on which the third magnetic body 180 is mounted may be stably attached to the grill 150 through structural features of the grill 150 as follows. This is done.

That is, the first assembly protrusion 152 of the grill 150 on which the second magnetic body 160 is mounted has the second assembly protrusion 172 of the grill cover 170 on which the third magnetic body 180 is mounted. The third receiving groove 190 is formed to accommodate a certain portion.

The third receiving groove 190 is preferably formed in a size and shape to which the second assembling protrusion 172 fits snugly.

This is because the grill cover 170 coupled to the grill 150 through the magnetic force between the second magnetic body 160 and the third magnetic body 180 by the third receiving groove of the second assembly protrusion 172. This is to be fixedly coupled to the left and right by the support fixing force.

In addition, the third receiving groove 190 formed in the first assembling protrusions 152 and 154 may include a second magnetic body 160 mounted in the first assembling protrusion (FIG. 6; 152 and 154). The third accommodating groove 190 may be directly contacted with the third magnetic body 180 of the second assembly protrusion 172 inserted into the accommodating groove 190 to maximize the coupling force by the magnetic force. It is preferable to form so as to penetrate the assembly protrusions (152, 154).

Although the grill and grill cover according to the present invention has been described and illustrated with a specific embodiment such as the rim, the first assembly protrusion and the second assembly protrusion for mounting the first magnetic body, the second magnetic body and the third magnetic body, It is apparent that the mounting means may be variously modified and implemented by those skilled in the art without departing from the technical spirit of the present invention.

Such modified embodiments should not be understood individually from the spirit and scope of the present invention, but should fall within the claims appended to the present invention.

1 is an exploded perspective view showing a general configuration of a fan.

Figure 2 (a) and (b) is a plan view and a side view showing a conventional grill structure detachably coupled to the ventilator.

Figure 3 is a cross-sectional view showing a proper locking area of the hook projection fastened to the hook receiving groove.

Figure 4 (a) and (b) is a plan view and a perspective view showing a rim portion formed along the circumference of the ventilator body and the first magnetic body receiving groove formed in the rim portion in the detachable structure of the ventilator grill according to the present invention.

Figure 5 is a first embodiment of the fan grill detachable structure showing a specific structure of the edge portion is mounted the first magnetic material according to the present invention.

6 (a) and 6 (b) are a cross-sectional view and a perspective view showing the structure of the grill detachably coupled to the edge portion according to the first embodiment of Figure 5, Figure 6 (c) is the edge portion according to the first embodiment 6 is a cross-sectional view showing a state that the grill is coupled to, Figure 6 (d) is another embodiment of the assembly protrusion formed on the grill.

Figure 7 is a second embodiment showing a specific structure of the edge portion is mounted on the first magnetic material according to the present invention.

Figure 8 (a) is a cross-sectional view showing the structure of the grill cover coupled to the grill according to the present invention and Figure 8 (b) is a cross-sectional view showing a state in which the frame portion, the grill and the grill cover is combined according to the present invention.

** Description of symbols for the main parts of the drawing **

100: ventilator body 110: exhaust fan

120: fan body edge portion 130: the first magnetic body receiving groove

132: first receiving groove 134: second receiving groove

140: first magnetic material 150: grill

152, 154: first assembling protrusion 160: second magnetic material

170: grille cover 172: second assembling protrusion

180: third magnetic material 190: third receiving groove

Claims (8)

delete In the fan configured to include a fan body, an exhaust fan accommodated in the fan body and a grill that can be detachably coupled to the open one surface of the fan body, An edge portion formed along a circumference of an open surface of the ventilator body and having a predetermined width and thickness; A plurality of first magnetic bodies mounted on the edge portion; A plurality of first magnetic body accommodating grooves formed in the edge portion to accommodate the first magnetic body; And When assembling the grille to the rim portion, respectively mounted to the grill surface facing the first magnetic body mounted on the rim portion, a plurality of made to be detachable from the first magnetic body through the coupling by the magnetic force and the separation by the external force Through the two second magnetic body, the grill is configured to be detachably coupled to the open one surface of the ventilator body, The grill surface on which the second magnetic body is mounted has a plurality of first assembling protrusions protrudingly formed, and the second magnetic body is attached to an end portion of the first assembling protrusion. The method of claim 2, The first magnetic body receiving groove, A first accommodating groove for accommodating the first magnetic material therein and attaching the first magnetic material to an inner surface thereof; And Removable structure of the fan grill, characterized in that configured to include a second receiving groove for guiding the first assembly protrusion is mounted to the second magnetic material to receive therein. The method of claim 3, wherein The size of the first receiving groove is larger than the size of the second receiving groove is removable structure of the fan grill, characterized in that configured. The method of claim 2, The first magnetic body receiving groove, It is formed in a stepped structure to accommodate the first magnetic material in the thickness area of the rim portion, The first magnetic body is attached to the bottom surface of the first magnetic material receiving groove is configured so as not to penetrate through the thickness portion of the edge portion of the fan grille detachable structure. The method according to claim 2 or 3, The ventilator includes a grill cover configured to be detachably coupled to the grill; And a plurality of third magnetic bodies attached to the grill cover and detachably coupled to the second magnetic body through coupling by magnetic force and separation by external force. The grill cover has a plurality of second assembling protrusions protruding, the third magnetic body is mounted to the end of the second assembling protrusions, Ventilation grill, characterized in that the first assembly projection of the grill is equipped with the second magnetic material is formed with a third receiving groove for accommodating a portion of the second assembly projection of the grill cover on which the third magnetic material is mounted. And a detachable structure of the grill cover. The method of claim 3, wherein The first and second receiving grooves are removable structure of the fan grill, characterized in that penetrating and connected to each other. The method of claim 2, At least one of the first magnetic material and the second magnetic material is a detachable structure of the fan grill, characterized in that the permanent magnet.

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