JP2008207811A - Induction heat cooking apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a top plate from breaking, by efficiently absorbing with a smaller amount of impact-absorbing material an impact applied to the top plate from a heater when a packaged induction heat cooking apparatus accidentally falls from the top face side. <P>SOLUTION: In the induction heat cooking apparatus, a part with which a projection 26 which would be a starting point of the cause of breakage comes into contact when impact load is applied is supported by the bosses 31 of an upper impact-absorbing material 30. Compared to the case where the entire upper face of the top plate 22 is supported by an upper cushioning material 30, the amount of impact-absorbing material used is small, and the breakage can be prevented while the impact is efficiently absorbed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to packaging when transporting an induction heating cooker.

  Conventionally, as a packaging form of this kind of heating cooker, there is one that relieves the impact when falling by sandwiching the bottom and upper surface of the main body with a cushioning material in the packaging box and prevents breakage during transportation ( For example, see Patent Document 1).

When the structure is used for an induction heating cooker as shown in FIGS. 12 to 14, the upper portion of the main body 1 is covered with a top plate 2 formed of crystallized glass, and the top plate 2 is used for cooking. A pan or the like is placed. A heating body 4 having an induction coil 3 in which a copper wire for inductively heating a pan or the like is wound in a spiral shape is disposed on the back side of the top board 2, and the heating body 4 is attached to the main body 1 by a spring 5 attached to the top board 2 side. Is being energized. The heating body 4 is provided with a convex portion 6 from the heating body 4 toward the top plate 2 in order to keep the distance between the induction coil 3 and the top plate 2 constant, and a cushion rubber 7 is provided at the tip of the convex portion 6. Is attached. When packaging and transporting the induction heating cooker configured as described above, the bottom cushioning material 9 is placed in the packaging box 8 and the main body 1 is placed on the bottom cushioning material 9 in order to protect it from impact. And the upper shock absorbing material 10 holding the side surface and upper surface of the top plate 2 is mounted, and the top flap 8a of the packaging box 8 is closed and sealed. The upper surface holding part 10a of the upper cushioning material 10 that holds the upper surface of the top plate 2 partially holds the top plate 2 in order to reduce the buffer material.
JP-A-6-24470

  However, in the above-described conventional configuration, if the product is accidentally dropped from the top surface 2 side of the packaging box 8 during transportation, the load of the heating body 4 is applied from the cushion rubber 7 to the top plate 2 due to the impact of the fall. When the upper surface holding portion 10a does not receive a position facing the cushion rubber 7, only the top plate 2 receives an impact load applied to the top plate 2 from the cushion rubber 7, and depending on the height of the fall The top plate 2 has a problem that the top plate 2 is locally deformed and exceeds the fracture limit of the crystallized glass, and the top plate 2 may be broken.

  The present invention solves the above-mentioned conventional problems, and when the induction cooking device is accidentally dropped from the top side in a packaged state, the shock applied from the heating body to the top plate is efficiently absorbed with a small amount of cushioning material. An object of the present invention is to provide an induction cooking device in which the top plate is not broken.

  In order to solve the above-described conventional problems, the induction heating cooker of the present invention includes a convex portion provided from the heating body toward the top plate in order to keep the distance between the induction coil and the top plate constant, and packaging during transportation. An upper cushioning material that protects the top plate inside the box, and a boss that reaches the inner side of the packaging box from the upper surface of the top plate is provided on the upper cushioning material, and this boss is arranged at a position facing the convex portion. .

  As a result, when the induction heating cooker is accidentally dropped from the top side in the packaged state, the shock applied to the top plate from the heating body can be efficiently absorbed with a small amount of cushioning material, and the top plate can be made difficult to break. .

  The induction heating cooker of the present invention efficiently absorbs the impact applied to the top plate from the heating body with a small amount of cushioning material when the induction heating cooker is accidentally dropped from the top side in the packaged state, and the top plate is absorbed. It can be made difficult to break.

  1st invention, the heating plate which has the induction coil for inductively heating the to-be-heated object, such as the said pan, arrange | positioned on the back side of the said top plate, and the said induction coil, A convex portion provided from the heating element toward the top plate in order to keep the distance from the top plate constant, and an upper cushioning material for protecting the top plate inside the packaging box during transportation, A boss that reaches the inside of the packaging box from the top surface of the top plate is provided on the top cushioning material, and the boss is disposed at a position facing the convex portion, so that the induction heating cooker is accidentally dropped from the top surface side in the packaging state. In this case, the impact applied to the top plate from the heating body can be efficiently absorbed with a small amount of cushioning material, and the top plate can be made difficult to break.

  According to a second aspect of the present invention, in the first aspect of the present invention, the height of the connecting portion connecting the plurality of bosses is lower than that of the boss, and the connecting portion is provided away from the inside of the packaging box. The material of the buffer material can be further reduced. Moreover, it can prevent that a connection part breaks in the middle of transportation, and the position of a boss | hub shifts | deviates.

  According to a third aspect of the invention, in particular, in the second aspect of the invention, the connecting portion is brought into contact with the upper surface of the top plate, so that the connecting portion is not affected even if the connecting portion is pushed after the upper cushioning material is placed on the top plate in the packaging operation. Packaging work is easy without bending and cracking.

  In a fourth aspect of the invention, in particular, in any one of the first to third aspects of the invention, a sensor biased toward the back side of the top plate is provided on the heating body, and the top is positioned at a position facing the sensor of the upper cushioning material. Since the sensor receiving boss reaching the inside of the packaging box from the upper surface of the plate is provided, the top plate can be prevented from being damaged by the load received from the sensor.

  According to a fifth aspect of the invention, in particular, in the fourth aspect of the invention, the boss and the sensor receiving boss are pressed against the top surface of the top plate and the inside of the packaging box, and the press contact dimension of the boss is larger than the press contact dimension of the sensor receiving boss. By doing so, the convex part with a large impact load can be received more strongly, and the top plate can be reliably prevented from cracking.

  In the sixth invention, in particular, in the fourth or fifth invention, since the diameter of the sensor receiving boss is made smaller than the diameter of the boss, the sensor receiving boss is not stretched and the impact load of the convex portion Can be reliably received by the boss.

  According to a seventh invention, in particular, in any one of the first to sixth inventions, a plate-shaped receiving plate is disposed between the upper cushioning material and the inside of the packaging box, so that the receiving plate is a boss and a sensor. Since it comes into contact with the receiving boss, the top plate can be reliably received by the boss and the sensor receiving boss regardless of the unevenness of the top flap, and the drop strength can be stabilized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 to 3 show an induction heating cooker according to Embodiment 1 of the present invention.

  In the induction heating cooker according to the present embodiment, the upper portion of the main body 21 is covered with a top plate 22 formed of crystallized glass or the like, and a cooking pan or the like is placed on the top plate 22. A heating body 24 having an induction coil 23 in which a copper wire for heating a pan or the like is wound in a spiral shape is arranged on the back side of the top board 22. It is energized. The heating body 24 is provided with a convex portion 26 from the heating body 24 toward the top plate 22 in order to keep the distance between the induction coil 23 and the top plate 22 constant, and a cushion rubber 27 is provided at the tip of the convex portion 26. Is attached. When packaging and transporting the induction cooking device configured as described above, the bottom cushioning material 29 is placed in the packaging box 28 and the main body 21 is placed on the bottom cushioning material 29 in order to protect it from impact. And the upper shock absorbing material 30 holding the side surface and the upper surface of the top plate 22 is placed on the top plate 22, the top flap 28a of the packaging box 28 is closed, sealed and transported. Here, a boss 31 reaching the top flap 28 a of the packaging box 28 from the upper surface of the top plate 22 is provided on the upper cushioning material 30, and this boss 31 is disposed at a position facing the convex portion 26. Further, the bosses 31 are connected to each other by a connecting portion 30a.

  About the induction heating cooking appliance comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, in the above configuration, when the packaged induction heating cooker is mistakenly dropped from the top surface side of the packaging box 28, the load of the heating body 24 is applied from the cushion rubber 27 to the top plate 22 by the impact of the drop. Since the top plate 22 is received by the boss 31, the boss 31 is compressed to provide a buffering effect, and the impact is smaller than when the entire top plate 22 is received. The top plate 22 that has received an impact load tends to be deformed, but the boss 31 is disposed at a position facing the convex portion 26, so that the impact on the top plate 22 by the convex portion 26 causes the boss 31 of the cushioning material. It is possible to prevent the local deformation of the top plate 22 by buffering it in the packaging box 28 via. As a result, the top plate 22 is not deformed so as to break, and damage can be prevented. Further, since the impact load is applied and the portion that becomes the starting point of cracking is supported by the boss 31, the use amount of the cushioning material is less than that in the case where the entire upper surface of the top plate 22 is supported by the upper cushioning material 30, and cracking is efficiently prevented. be able to.

  As described above, in the present embodiment, the convex portion provided from the heating body toward the top plate in order to keep the distance between the induction coil and the top plate constant, and the top plate inside the packaging box at the time of product packaging The upper cushioning material is provided with a boss that reaches the inner side of the packaging box from the top surface of the top plate, and this boss is placed at a position facing the convex portion, so that it is erroneously guided in the packaging state. When the cooking device is dropped from the top surface side, the shock applied from the heating body to the top plate can be efficiently absorbed with a small amount of cushioning material, and the top plate can be made difficult to break.

(Embodiment 2)
FIG. 4 shows an induction heating cooker according to Embodiment 2 of the present invention. The same elements as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the induction heating cooker according to the present embodiment, the height of the connecting portion 30 a is made lower than the boss 31 and is provided away from the inside of the top flap 28 a of the packaging box 28. By making the height of the connecting portion 30 a lower than that of the boss 31, the material of the upper cushioning material 30 can be further reduced. Further, by providing it away from the inside of the top flap 28a, even if force is applied to the top flap 28a during transportation, no force is applied to the connecting portion 30a, and the connecting portion 30a is damaged and the position of the boss 31 is shifted. There is nothing to do.

  As described above, in the present embodiment, the height of the connecting portion connecting the bosses is lower than that of the boss, and the connecting portion is provided away from the inside of the packaging box, thereby further reducing the material of the upper cushioning material. can do. Moreover, it can prevent that a connection part breaks in the middle of transportation, and the position of a boss | hub shifts | deviates.

(Embodiment 3)
FIG. 5 shows an induction heating cooker according to Embodiment 3 of the present invention. The same elements as those of the second embodiment are denoted by the same reference numerals and the description thereof is omitted.

  In the induction heating cooker in the present embodiment, the connecting portion 30 a is in contact with the upper surface 22 b of the top plate 22. Even if the connecting portion 30a is pressed after the upper cushioning material 30 is placed on the top plate 22 during the packaging operation, the connecting portion 30a is in contact with the upper surface 22b, so that the packaging operation is facilitated without being bent and broken.

  As described above, in the present embodiment, since the connecting portion is brought into contact with the top surface of the top plate, the connecting portion is bent even if the connecting portion is pressed after the upper cushioning material is placed on the top plate in the packaging operation. There is no breakage and the packaging work is easy.

(Embodiment 4)
6 and 7 show an induction heating cooker according to Embodiment 4 of the present invention. The same elements as those of the third embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the induction heating cooker in the present embodiment, a sensor 32 urged by a sensor spring 33 having a smaller load than the spring 25 is provided on the heating body 24 toward the back side of the top plate 22, and the sensor 32 of the upper cushioning material 30 is provided. Is provided with a sensor receiving boss 34 that reaches the inside of the packaging box 28 from the upper surface of the top plate 22.

  In the above configuration, if the wrapped induction heating cooker is accidentally dropped from the top surface side of the packaging box 28, the load of the heating body 24 is also applied to the top plate 22 from the sensor 32 due to the impact of the drop. Since the sensor 32 is supported by the sensor spring 33, the top plate 22 tends to be deformed even in the sensor 32 portion. At this time, since the sensor receiving boss 34 receives the top plate 22, the sensor receiving boss 34 is compressed to act as a buffering effect, and the impact becomes smaller than when receiving the entire top plate 22. Since the sensor receiving boss 34 is disposed at a position opposite to the sensor 32, the impact on the top plate 22 is buffered by the packaging box 28 via the sensor receiving boss 34 of the buffer material and is not deformed. Can prevent damage.

  As described above, in the present embodiment, the sensor biased toward the back side of the top plate is provided on the heating body, and reaches the inside of the packaging box from the top surface of the top plate at a position facing the sensor of the upper cushioning material. By providing the sensor receiving boss, the top plate can be prevented from being damaged by the load received from the sensor.

(Embodiment 5)
FIG. 8 shows an induction heating cooker according to the fifth embodiment of the present invention. The same elements as those of the fourth embodiment are denoted by the same reference numerals and the description thereof is omitted.

  In the induction heating cooker in the present embodiment, the boss 31 and the sensor receiving boss 34 are dimensioned to be in pressure contact with the upper surface 22b of the top plate 22 and the inside of the packaging box 28, and the pressure contact dimension of the boss 31 is the pressure contact dimension of the sensor receiving boss 34. Is larger than

  In the above configuration, when the wrapped induction heating cooker is mistakenly dropped from the top surface side of the packaging box 28, the load of the heating body 24 is applied to the top plate 22 from the convex portion 26 and the sensor 32 by the impact of the drop. Since the press contact size of the boss 31 is larger than the press contact size of the sensor receiving boss 34, it is strong against compression and can more strongly receive the convex portion 26 portion having a large impact load. Can be prevented.

  As described above, in this embodiment, the boss and the sensor receiving boss are pressed against the top surface of the top plate and the inside of the packaging box, and the boss pressing dimension is increased with respect to the sensor receiving boss pressing dimension. The convex portion having a large load can be received more strongly, and the top plate can be reliably prevented from cracking.

(Embodiment 6)
FIG. 9 shows an induction heating cooker according to the sixth embodiment of the present invention. The same elements as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the induction cooking device in the present embodiment, the diameter of the sensor receiving boss 34 is smaller than the diameter of the boss 31.

  In the above configuration, when the wrapped induction heating cooker is mistakenly dropped from the top surface 28a side of the packaging box 28, the load of the heating body 24 is applied to the top plate 22 from the convex portion 26 and the sensor 32 by the impact of the drop. Since the diameter of the sensor receiving boss 34 is smaller than the diameter of the boss 31, the sensor receiving boss 34 is more easily compressed, and the sensor receiving boss 34 is stretched to create a gap between the boss 34 and the packaging box 28. The boss 31 can reliably receive the impact load of the convex portion 26 without being in a state.

  As described above, in the present embodiment, the diameter of the sensor receiving boss is made smaller than the diameter of the boss, so that the sensor receiving boss does not become stretched and the impact load of the convex portion is reliably received by the boss. be able to.

(Embodiment 7)
10 and 11 show an induction heating cooker according to Embodiment 7 of the present invention. The same elements as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the induction heating cooker according to the present embodiment, a plate-shaped receiving plate 35 formed of cardboard is disposed between the upper cushioning material 30 and the top flap 28a of the packaging box 28. By arranging the receiving plate 35, the receiving plate 35 comes into contact with the boss 31 and the sensor receiving boss 34, and the top plate 22 is securely received by the boss 31 and the sensor receiving boss 34 regardless of the unevenness of the top flap 28a. Drop strength can be stabilized.

  Thus, in the present embodiment, by arranging the plate-shaped receiving plate between the upper cushioning material and the inside of the packaging box, the receiving plate comes into contact with the boss and the sensor receiving boss, Regardless of the unevenness of the top flap, the top plate can be reliably received by the boss and the sensor receiving boss and the drop strength can be stabilized.

  As described above, the structure of the induction heating cooker according to the present invention can prevent damage to the top plate formed of crystallized glass or the like. It can be applied to products with an outer shell made of easy-to-use glass.

The perspective view of the induction heating cooking appliance in Embodiment 1 of this invention The perspective view of the state which removed the top plate of the induction heating cooking appliance Sectional drawing of the principal part of the induction heating cooking appliance Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 2 of this invention Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 3 of this invention The perspective view of the induction heating cooking appliance in Embodiment 4 of this invention Sectional drawing of the principal part of the induction heating cooking appliance Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 5 of this invention. Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 6 of this invention. The perspective view of the upper shock absorbing material and backing plate of the induction heating cooking appliance in Embodiment 7 of this invention Sectional drawing of the principal part of the induction heating cooking appliance The perspective view of the induction heating cooking appliance in a prior art example The perspective view of the state which removed the top plate of the induction heating cooking appliance Sectional drawing of the principal part of the induction heating cooking appliance

Explanation of symbols

22 top plate 23 induction coil 24 heating element 26 convex portion 28 packaging box 30 upper cushioning material 30a connecting portion 31 boss 32 sensor 34 sensor receiving boss 35 receiving plate

Claims (7)

A heating plate having a top plate on which a pan or the like is placed, a heating element disposed on the back side of the top plate and having an induction coil for induction heating of an object to be heated such as the pan, and a distance between the induction coil and the top plate A convex portion provided from the heating body toward the top plate side, and an upper cushioning material that protects the top plate inside the packaging box during transportation, and the top cushioning material includes the top cushioning material. An induction heating cooker in which a boss reaching the inside of the packaging box from the upper surface of the plate is provided, and the boss is disposed at a position facing the convex portion. The induction heating cooker according to claim 1, wherein a height of a connecting portion connecting a plurality of bosses is lower than that of the boss, and the connecting portion is provided away from the inside of the packaging box. The induction heating cooker according to claim 2, wherein the connecting portion is brought into contact with the upper surface of the top plate. 2. A sensor biased toward the back side of the top plate is provided on the heating body, and a sensor receiving boss that reaches the inside of the packaging box from the upper surface of the top plate is provided at a position facing the sensor of the upper cushioning material. The induction heating cooking appliance of any one of -3. The induction heating cooker according to claim 4, wherein the boss and the sensor receiving boss are pressed against the top surface of the top plate and the inside of the packaging box, and the press contact size of the boss is larger than the press contact size of the sensor receiving boss. The induction heating cooker according to claim 4 or 5, wherein the diameter of the sensor receiving boss is smaller than the diameter of the boss. The induction heating cooking appliance of any one of Claims 1-6 which has arrange | positioned the plate-shaped receiving plate between the upper shock absorbing material and the inner side of the packaging box.