KR20030097184A - System for joining of micro wave oven door - Google Patents

Abstract

PURPOSE: A door joining device of a microwave oven is provided to reduce working hours by easily coupling a door to the microwave oven only by one step. CONSTITUTION: A door joining device of a microwave oven comprises a hinge shaft(201a) installed at a door(200), a hinge plate(201b) installed at an oven body(203) and rotatably fixed to the hinge shaft, and a separation preventing plate(202). The separation preventing plate is movably coupled to the hinge shaft, and prevents the hinge shaft from being separated from the hinge plate.

Description

System for joining of micro wave oven door}

The present invention relates to a door coupling device for a microwave oven, and more particularly, to a door coupling device for a microwave oven provided with a configuration for simplifying a task of coupling a microwave oven to a microwave oven body.

A microwave oven is a device that cooks by rotating vibration of water molecules using electromagnetic waves having a high frequency. A cooking chamber is provided inside, and a door that opens and closes the cooking chamber from the outside is coupled with the microwave main body. The door and the microwave oven main body is made of a hinge coupling, a conventional door coupling device is shown in FIG. 1, and the top surface of the door is partially cut to show the characteristics of the prior art.

Referring to FIG. 1, a door coupling structure of a conventional microwave oven is provided with a choke cover 102 on an inner side surface of the door 101, and a microwave oven main body 104 at one upper edge of the choke cover 102. The hinge plate 103a may be inserted into the door 101 so that the hinge plate 103a provided at the side may be coupled to the hinge shaft 103b formed at one side of the door 101. The part 107 is formed. Therefore, the hinge plate 103a is inserted into the door 101 through the cutout 107 as described above, and the hinge plate 103a is fastened to the hinge shaft 103b through the hinge hole 103c of the hinge plate 103a. The separation preventing member 105 for preventing separation of the hinge plate 103a and the hinge shaft 103b is inserted and fixed to the cutout 107. That is, an opening insertion hole 106 having one side open to the hinge shaft 103b may be formed at one side of the separation preventing member 105 to form the hinge plate 103a and the hinge shaft 103b. By blocking the end of the hinge plate 103a and the hinge shaft 103b will be prevented from being separated.

However, the conventional door coupling device as described above has a problem in that a separate complicated procedure for inserting and fixing the separation prevention member and the increase in the product production cost according to the separate separation prevention member has to be provided.

The present invention is to solve the above-mentioned problems, an object of the present invention to facilitate the combination of the door and the microwave oven body, the microwave door that can be made by one working process, that is, one step (ONE STEP) It is to provide a coupling device.

1 is an exploded perspective view illustrating a hinge combination of a conventional door and a microwave oven body.

Figure 2 is an exploded perspective view showing the hinge coupling of the door and the microwave oven body according to an embodiment of the present invention.

Figure 3 is a view showing the free end of the separation prevention plate which is a characteristic configuration of the present invention.

4 is a flowchart illustrating a process of combining according to an embodiment of the present invention.

5 is a perspective view showing a state in which the door and the microwave oven body is coupled according to an embodiment of the present invention.

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

200: door 201a: hinge shaft

201b: hinge plate 201c: hinged ball

202: separation prevention plate 202a: insertion hole

202b: opening hole 202c: insertion groove

203: microwave oven body 204: chocolate cover

205: incision

The door coupling device of the microwave oven according to the present invention for achieving the above object is a hinge shaft provided in the door, a hinge plate provided in the microwave main body and rotatably fixed to the hinge shaft, and flows in the hinge shaft Possible separation is characterized in that it comprises a separation preventing plate for preventing the hinge shaft and the hinge plate from being separated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals apply to the same names.

Figure 2 is an exploded perspective view showing a hinge coupling of the door and the microwave oven body according to an embodiment of the present invention, Figure 3 shows a free end of the separation prevention plate which is a characteristic configuration of the present invention, Figure 4 is the present invention 5 is a flowchart illustrating a process of combining according to an embodiment of the present invention. FIG. 5 is a perspective view illustrating a state in which a door and a microwave oven body are coupled according to an embodiment of the present invention.

First, referring to FIG. 2, FIG. 2 shows a state in which the upper surface of the door 200 is partially cut in order to show a characteristic structure of the present invention. The upper surface of the door 200 is provided with a hinge shaft 201a protruding a predetermined length into the inside of the door 200 and one side edge of the chocolate cover 204 forming one side of the door 200 is a microwave oven. The hinge plate 201b provided in the main body 203 can be inserted into the inner surface of the door 200 and the hinge plate rotates relative to the door 200 during the opening / closing operation of the door 200. An incision 205 is formed for the purpose of free rotation of 201b). On the other hand, a hinge hole 201c is formed in the hinge plate 201b so that the hinge shaft 201a can be inserted, and the choke cover 204 has the hinge shaft 201a and the hinge plate 201b. Is coupled through a hinge hole 201c formed in the hinge plate, the separation prevention plate 202 for preventing separation of the hinge shaft 201a and the hinge plate up and down at the end of the hinge shaft 201a. It is fixed to flow. The separation prevention plate 202 may be divided into a fixed end fixed to the choke cover 204 and a free end capable of moving up and down. One side of the free end may be inserted into a predetermined portion of the end of the hinge shaft 201a. Insertion hole 202b is formed so that, one side of the insertion hole 202b is open to the end of the free end. Of course, the separation prevention plate 202 is preferably provided with an elastic body for the vertical flow of the free end. In addition, the cross section of the end of the hinge shaft (201a) is easy to insert through the hinge hole (201c) of the hinge shaft (201a) when the hinge plate (201b) is coupled to the separation prevention plate (202) When moving upward in the downward direction after the movement of), it is preferable that the insertion hole 202a is formed in the shape of an inverted triangular rounded end so that the hinge shaft 201a can be easily inserted.

Various embodiments of the functional shape of the free end of the separation prevention plate will be described with reference to FIG. 3.

3 (a) has a configuration in which an insertion hole 202a is provided at a free end of the separation prevention plate 202 so that a predetermined end of the hinge shaft 201a can be inserted into a predetermined portion.

Figure 3 (b) shows the separation prevention plate 202 according to the embodiment shown in Figure 2 that one side of the insertion hole 202b provided at the free end is open to the end of the free end This configuration shows that when the choke cover 204 to which the separation prevention plate 202 is fixed is coupled to the door body when the door is pre-assembled, the separation prevention plate 202 is hung on the hinge shaft and assembly work is performed. You can remove the obstruction.

3 (c) shows a predetermined insertion groove 202c at the free end of the separation prevention plate 202 rather than a hole for inserting the hinge shaft 201a, so that the end of the hinge shaft 201a is the insertion groove ( It is configured to be seated on 202c).

Referring to Figure 4 will be described the door coupling process according to the door coupling device of the microwave oven according to an embodiment of the present invention described with reference to FIG.

First, as shown in FIG. 3A, a cutout formed at one corner of the choke cover 204 to insert the hinge plate 201b provided in the microwave oven body 203 into the inner surface of the door 200 ( Position the hinge plate 201b to be inserted into the 205 and push the door 200 toward the hinge plate 201b by applying a force to the hinge plate 201b. In this case, as shown in (b) of FIG. 3, the separation preventing plate 202, which is originally coupled to the hinge shaft 201 a and is movable up and down by an elastic property, receives the force from the hinge plate 201 b. The hinge shaft 201a is separated from the predetermined interval by a separation, and the separation prevention plate 202 is positioned at a spaced interval between the hinge shaft 201a and the separation prevention plate 202. At this time, the hinge formed on the hinge plate 201b as shown in (c) of FIG. 3 by gravity acting downward on the door 200 and a small amount of restoring force acting upward on the separation preventing plate 202. Through the ball 201c, the hinge shaft 201a is inserted into the hinge plate 201b so that the door 200 and the microwave oven main body 203 can be hinged. At this time, the separation preventing plate 202 restored to its original state by the elastic restoring force is coupled to the end of the hinge shaft 201a again and is formed at the end of the hinge shaft 201a and the hinge plate 201b. The hinge hole 201c is blocked to prevent separation of the hinge plate 201b and the hinge shaft 201a.

5 is a perspective view showing a state in which the door 200 and the microwave oven main body 203 are coupled to be prevented to be separated through a hinge coupling according to an embodiment of the present invention. The upper surface is shown by cutting a portion.

What has been described above has described only a few embodiments of the present invention. In addition to the above, the anti-separation plate is not necessarily fixed to the choke cover but may also be fixed to the door outer cover. If deformed, the same implementation as that of the coupling device brought about in the configuration of the above-described embodiment may be possible, and the coil spring facing the upper surface of the door to the fixing member may be provided with the fixing member crossing the door laterally on the inner surface of the door. Persons having ordinary skill in the art to which the present invention pertains may include mounting and providing a separation prevention plate having a certain functional shape that is fluidly coupled to the hinge axis at an upper end of the coil spring. The description is easily within the same scope as the present invention described above. It will be able to practice the invention in other forms.

As described in detail above, the present invention can be easily coupled to the microwave oven body to prevent the door from being separated by only one step of pushing the door to the hinge plate provided in the microwave oven body. It is possible to produce doors that are assembled and assembled at the time of pre-assembly of the doors without the need to provide separate parts for combining the doors so as to prevent the doors from being separated and separated from the microwave oven body. It can increase.

Claims (9)

A hinge shaft provided at the door, a hinge plate provided at the microwave main body and rotatably fixed to the hinge shaft, and detachably coupled to the hinge shaft to prevent the hinge shaft and the hinge plate from being separated. Door coupling device for a microwave oven comprising a prevention plate. The method of claim 1, The separation preventing plate is coupled to the door of the microwave oven, characterized in that the fluidly coupled to the end of the hinge shaft. The method of claim 1, The door coupling device of the microwave oven, characterized in that the flow direction of the separation prevention plate is up and down. The method of claim 1, One end of the separation prevention plate is coupled to the door of the microwave oven, characterized in that is provided to be fixed to the inner surface of the choke cover. The method of claim 1, The separation prevention plate is a door coupling device of the microwave oven, characterized in that provided with an elastic body. The method of claim 1, End of the hinge shaft is a microwave oven door coupling device, characterized in that the form of a round triangular pyramid. The method of claim 1, The separation prevention plate is a door coupling device of the microwave oven, characterized in that the insertion hole is formed that can be inserted into a predetermined portion of the end of the hinge shaft. The method of claim 7, wherein One side of the insertion hole is a door coupling device of the microwave oven, characterized in that open to the end of the hinge plate. The method of claim 1, The separation prevention plate is a door coupling device of the microwave oven, characterized in that the insertion groove is provided that can be inserted into the predetermined portion of the end of the hinge shaft.