JP5425125B2 - Cooker - Google Patents

Description

  The present invention relates to a cooking device including a heat source such as a gas burner or a heater.

There are gas stoves and electric stoves as cooking devices. Conventionally, gas stoves are equipped with a stove body that houses a gas burner and a top plate that is made of a glass plate that is attached so as to close the upper open portion of the stove body. There is one in which a gas burner is exposed from the opening for the heat source of the plate.
A burner ring, which is a heat source cover, is disposed at the periphery of the heat source opening on the top surface of the top plate, and a drooping portion that hangs downward from the central opening of the burner ring is disposed at the heat source opening. The bottom of the annular ring (under the cover) located around the heat source opening on the bottom of the top plate is screwed to this hanging part, and the burner ring and the bottom of the ring are held in the heat source opening of the top plate. I am letting.

The lower part of the burner ring is designed to release the heat of the burner ring received by radiation from the burner flame during cooking, and the lower part of the drooping part is attached to the burner ring. I am doing so. Furthermore, in order to release the heat of the top plate during cooking, a metal heat dissipating plate separate from the bottom of the ring is arranged on the lower surface of the top plate (Patent Document 1).
The heat radiating plate is held on the lower surface of the top plate by being sandwiched together with the top plate by a burner ring and under the ring. And in the case of the gas stove provided with two or more gas burners in consideration of the assembly property, the heat radiating plate is formed of one metal plate having openings facing all the gas burners.

  Furthermore, in the gas stove provided with the above heat sink, the heat expansion coefficient of the heat sink is larger than that of the glass top plate, so that the top plate and the heat sink are simply overlapped in consideration of elongation due to thermal expansion during cooking. In this state, it is held by the burner ring and under the ring. The burner ring and the lower part of the ring are only screwed in a state where the top plate and the heat radiating plate are sandwiched, so that they can move with respect to the top plate and the heat radiating plate. Therefore, in consideration of the movement of the top plate and the heat sink, a predetermined gap is provided between the end surface of the heat source opening of the top plate and the heat sink and the outer surface of the hanging portion of the burner ring so that the hanging portion of the burner ring is It is made not to contact with the heat source opening of the top plate and the heat sink.

JP 2010-48505 A

  By the way, the metal heat radiating plate is composed of a large area metal plate straddling the heat source openings of a plurality of gas burners, so that the contact area with the top plate is large and the heat radiating property of the top plate is excellent. Since it is non-contact with the burner ring, it does not contribute to the heat dissipation of the burner ring itself, and only the heat transferred to the heat sink via the top plate or under the ring is released. For this reason, there is a problem in that heat dissipation from the burner ring, which is the most likely to be spilled from the cooking container or cooking utensil during cooking, becomes insufficient, and scorching is likely to occur on the burner ring.

  For example, in the case of a gas stove having two gas burners on the left and right and a grill box provided between the gas burners, if the heat radiating plate is composed of one metal plate, the heat radiating plate absorbs heat generated in the grill ware. There is a problem that the heat of the burner ring and the top plate heated by each gas burner cannot be sufficiently dissipated by the heat radiating plate.

  Furthermore, when a heat sink is provided separately from the top plate, the top plate, heat sink, and burner ring are each configured to be movable in the surface direction, so that the top plate can be used when transporting the gas stove or installing it on site. When an impact is applied to the heat sink, the heat sink having a large area moves, and the hanging part of the burner ring is pressed by the peripheral edge of the heat source opening of the heat sink. At this time, the drooping portion of the burner ring is in strong contact with the peripheral edge of the heat source opening of the top plate on the side opposite to the pressing position, and particularly when a glass top plate is used, the top plate may be cracked. There is.

  This invention is made | formed in view of the said situation, and it aims at providing the heating cooker which can perform the heat radiation of a heat-source cover and a top plate favorably, without providing a heat sink separately.

The present invention covers a top plate provided with a heat source opening that covers an upper open portion of a stove body provided with a heat source and exposes the heat source, and is disposed on the upper surface of the heat source opening periphery of the top plate, and is inserted into the heat source opening. An annular heat source cover that exposes the heat source, and a heat source cover that is in contact with the heat source cover in a state where the drooping portion of the heat source cover is inserted into the heat source opening. A heating cooker provided with a lower cover disposed on the lower surface of the periphery of the opening,
The bottom of the cover has an insertion hole through which the heat source and the hanging portion are inserted, and extends in a direction away from the heat source from a lower position of the heat source cover in a state of being in contact with the lower surface of the top plate. It is a heating cooker provided with a heat sink.

  According to this invention, since the said heat radiating part is formed under the cover contacted with the said heat source cover, the heat of the heat source cover can be directly transferred to the heat radiating part under the cover. The plate-like heat radiating portion extends in a direction away from the heat source from the lower position of the heat source cover in a state of being in contact with the lower surface of the top plate, so that the heat transferred from the heat source cover And the heat transferred from the top plate can be radiated well. Furthermore, since the heat radiating part is integrally formed under the cover, it is not necessary to separately form a heat radiating plate and dispose it on the lower surface of the top plate, and the cooking device can be reduced in weight as a whole.

  In general, when the heat source is composed of a gas burner, a burner ring is used as a cover for the heat source, but this burner ring is provided with through holes and notches in the inner periphery, and these through holes and notches are provided. An ignition electrode and a flame detector projecting upward are disposed so as to be positioned near the flame hole of the gas burner. Further, the bottom of the cover is only attached to the burner ring with the top plate sandwiched therebetween, so that the burner ring and the bottom of the cover are movable with respect to the top plate. Therefore, when a strong external impact is applied to the five virtues locked to the burner ring, the burner ring and the lower part of the cover also rotate in the same direction, and the burner ring comes into contact with the ignition electrode and the flame detector, There is a possibility that the ignition electrode and the flame detector are defective or damaged.

  Therefore, in the cooking device of the present invention, when the heat source is constituted by a gas burner, the gas burner is fixed through a support member in the stove body, and the bottom of the cover is provided on the inner peripheral edge of the insertion hole. A claw portion projecting downward is formed in the heat dissipating portion under the cover, and the support member is in contact with the claw portion at a position facing the claw portion. Therefore, it is preferable to have a rotation preventing portion that prevents rotation under the cover.

  According to such a configuration, since the claw portion for preventing rotation is formed in the heat radiating portion under the cover, an external impact is applied to the five virtues of the heating cooker, and the cover for the heat source such as burner ring is rotated in the rotational direction. Even when a force is applied, the claw portion under the cover attached to the hanging portion of the heat source cover abuts against the rotation prevention portion provided on the support member, thereby preventing the heat source cover from rotating together with the bottom of the cover.

  Furthermore, the heating cooker according to the present invention includes a stove body provided with at least two left and right gas burners as heat sources, and when a grill cabinet having other heat sources is provided between the left and right gas burners. Are individually provided for each gas burner, and the heat dissipating part under the cover is preferably extended in a direction away from the gas burner and the grill.

  With such a configuration, the heat of the heat source cover and the top plate can be favorably radiated from the heat radiating portion without the heat radiating portion absorbing heat of the grill cabinet.

  Furthermore, in the cooking device of the present invention, the top plate is preferably made of glass. Since the top plate is made of glass, the top plate can be easily maintained, and the heat radiating part is integrally formed under the cover, so it is necessary to separately form the heat radiating plate and place it on the bottom surface of the top plate. The top plate is not damaged due to the movement of the heat sink due to an external impact on the cooking device.

As described above, according to the present invention, a plate-like heat radiation portion that contacts the lower surface of the top plate is integrally formed under the cover disposed on the lower surface of the peripheral edge of the heat source opening of the top plate. Since it extends in the direction away from the heat source from the lower position of the heat source cover, the heat of the heat source cover and the heat of the top plate in contact with the heat radiation part under the cover can be radiated well. Further, the heating cooker of the present invention eliminates the need to separately arrange a heat sink on the lower surface of the top plate, so that the number of parts can be reduced and a complicated assembly operation is not required, and the heat source cover and the top plate Can be dissipated.
And a support member having a rotation prevention portion that prevents rotation under the cover by contacting the claw portion at a position facing the claw portion at a position facing the claw portion, and a heat radiation portion having a claw portion protruding downward. By using this, it is possible to avoid damage to the equipment due to the heat source cover when an external impact is applied to the heat source cover to which the bottom of the cover is attached.
In addition, since there is no need to provide a separate heat sink, especially when a glass top plate is used, even if there is a strong impact such as a drop in the distribution stage of the heating cooker, heat dissipation is large as in the past. It is also possible to prevent damage to the top plate that has occurred due to the plate moving in the surface direction with respect to the top plate and the heat source cover.

It is a top view of the cooking-by-heating machine by the embodiment of the present invention. It is a fragmentary sectional view around the burner ring of the heating cooker by this embodiment. It is a perspective view of the burner ring of the heating cooker by this embodiment. It is a perspective view under the ring of the cooking-by-heating machine by this embodiment. It is a perspective view which shows the state which assembled | attached the rotation prevention member on the gas mixing pipe | tube of the gas burner of the heating cooker by this embodiment. It is explanatory drawing which shows the state by which the rotation prevention member was provided between the lower ring of the heating cooker by this embodiment, and a supporting member.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
A gas stove 1 as a heating cooker shown in FIG. 1 is applied to a built-in type that is mounted in a state of being dropped into a counter hole provided on the upper surface of a counter top, and includes two gas burners 2 as heat sources and a gas burner 2. The stove main body 11 in which is stored. A rectangular top plate 3 is disposed in the upper opening of the stove body 11, and the upper portion of the gas burner 2 is exposed from the heat source opening 31 formed in the top plate 3. Furthermore, the virtues 12 are arranged around the gas burner 2, and a grill cabinet 13 having another heat source is provided between the two gas burners 2 in the stove body 11.

  The top plate 3 is formed of a rectangular glass plate, and as shown in FIG. 1, two circular heat source openings 31 are formed so as to correspond to the respective gas burners 2. By making the top plate 3 made of glass (for example, heat-resistant glass or tempered glass), the top plate can be easily maintained. A burner ring 4 as a heat source cover of the present invention is arranged on the upper surface of the top plate 3 at the periphery of the heat source opening 31, and a lower ring 5 as a lower cover of the present invention is attached to the lower part of the burner ring 4 on the lower surface. Is arranged.

  1 to 3, the burner ring 4 is made of metal, has a disk shape as a whole, and has a substantially circular ring hole 41 concentric with the gas burner 2. The outer peripheral edge of the burner ring 4 is disposed on the top surface of the top plate 3 via a seal ring S1 made of a heat resistant material, and is disposed so as to cover the gap between the heat source opening 31 and the gas burner 2. The burner ring 4 is formed with a hanging portion 42 that extends downward along the inner periphery of the heat source opening 31.

  The drooping portion 42 releases heat from the burner ring 4. The drooping portion 42 is formed at a position spaced apart from the inner periphery of the heat source opening 31 except for the through hole H1 and the notch H2 in which the ignition electrode 14 and the flame detector 15 are disposed. From these through holes H1 and notches H2, the ignition electrode 14 and the flame detector 15 protrude upward through through holes H3 and H4 formed in the flange portion 22 of the gas mixing pipe 21 described later. A fixed portion 43 facing the attachment piece 53 under the ring 5 is provided at a predetermined position below the hanging portion 42, and a screw hole 44 is formed in the fixed portion 43.

  1 to 2 and 4, the lower ring 5 is formed of a metal plate-like member, and has a shape in which a part of a rectangular plate member is cut out at a right angle. The lower ring 5 is made of a metal having excellent heat dissipation, such as an aluminum alloy or aluminum.

  A substantially circular insertion hole 51 through which the gas burner 2 is inserted is formed under the ring 5, and is pressed against the lower surface of the top plate 3 via a seal ring S 2 made of a heat resistant material around the insertion hole 51. An annular sandwiching portion 52 is formed. The clamping part 52 is formed in a concave groove so that the seal ring S2 is fitted therein.

  Further, on the inner peripheral edge of the insertion hole 51 under the ring 5, an attachment piece 53 disposed to face the fixing portion 43 of the hanging part 42 is formed so as to protrude inward in the circumferential direction. A plurality of piece-like guide pieces 54 are formed between the respective attachment pieces 53 on the inner peripheral edge of the top plate 3 so as to be bent upward facing the inner surface of the heat source opening 31 of the top plate 3. By fitting the guide piece 54 into the heat source opening 31 of the top plate 3, the lower ring 5 can be easily positioned with respect to the top plate 3.

  A screw hole 55 corresponding to the screw hole 44 provided in the hanging portion 42 of the burner ring 4 is formed in the attachment piece 53 formed in the lower ring 5. The lower ring 5 is attached to the burner ring 4 by tightening a screw into the screw hole 44 of the burner ring 4 from below through the screw hole 55. Thereby, the burner ring 4 and the lower ring 5 are held by the top plate 3 by sandwiching the top plate 3 from above and below.

  As shown in FIG. 2, a plate-like heat radiation portion 56 that is in close contact with the lower surface of the top plate 3 is continuously formed on the outer side in the radial direction of the clamping portion 52 below the ring 5. As described above, the heat radiating portion 56 has a shape in which a part of the rectangular plate member is cut out at a right angle, and when the insertion hole 51 is disposed to face the heat source opening 31 of the top plate 3, In the vicinity of the side edge, the rear edge and the front edge of the top plate 3, the peripheral edge of the top plate 3 is formed to reach the vicinity of the counter hole inner peripheral surface of the counter top on which the top plate 3 is placed. The lower ring 5 disposed opposite to the two left and right gas burners 2 has a bilaterally symmetric shape and efficiently uses the heat from the burner ring without being affected by the heat generated in the central grill 13 as much as possible. In order to dissipate heat well, a part cut out at right angles is formed so as to extend in a direction away from each gas burner 2 and the grill 13.

  The heat dissipating part 56 only needs to extend from the outside in the radial direction of the sandwiching part 52 to the vicinity of at least one peripheral edge of the top plate 3, but in the case of the gas stove 1 having the grill 13, at least the grill 13 It is preferable to extend to the vicinity of the peripheral edge on the opposite side. Further, the lower ring 5 is formed with a part cut out at a right angle, but the cut out part may be cut out in an arc shape.

  Further, two claw portions 57 projecting downward are formed near the rear side of the insertion hole 51 in the heat radiation portion 56. These claw portions 57 are formed on the support member 6 that supports the gas mixing tube 21 as shown in FIG. 6 via the flange portion 22 formed on the gas mixing tube 21 of the gas burner 2 shown in FIG. By contacting the long rotation prevention member 7, the rotation of the lower ring 5 and consequently the burner ring 4 attached to the lower ring 5 is prevented.

  On the upper surface of the support member 6 facing the lower ring 5, two projecting pieces 61 formed so as to project upward are formed on the same straight line. Further, the flange portion 22 of the gas mixing tube 21 is supported on the flange portion 22. Two elongated holes 23 into which the protruding pieces 61 of the member 6 are fitted are formed.

  The rotation prevention member 7 includes a mounting flange 72 formed with two long holes 71 corresponding to the two long holes 23 of the flange portion 22, and a contact wall surface 73 formed upward from the mounting flange 72. These contact wall surfaces 73 are opposed to each other and are connected by a long connecting piece 74.

  As shown in FIGS. 5 and 6, the projecting piece 61 of the support member 6 is fitted into the long hole 23 of the gas mixing tube 21, and the long hole 71 of the rotation preventing member 7 is fitted into the projecting piece 61. The rotation prevention member 7 is attached to the upper surface of the support member 6. And as shown in FIG. 6, the nail | claw part 57 formed in the ring lower part 5 is arrange | positioned so that each contact wall surface 73 of the rotation prevention member 7 may be opposed from the outer side. Therefore, when an external impact is applied to the five virtues 12 of the gas stove 1 and the burner ring 4 tries to rotate in the circumferential direction, the lower ring 5 attached to the burner ring 4 also tries to rotate, and the claw portion 57 of the lower ring 5 rotates. It contacts the contact wall surface 73 of the blocking member 7, and the rotation of the lower ring 5 and the burner ring 4 is blocked.

  The rotation prevention member 7 only needs to have a structure in which the rotation of the lower ring 5 is prevented when the claw portion 57 contacts. For example, the heat dissipating part having one claw part 57 and the rotation preventing part 7 having a dent into which the claw part 57 is inserted are used, and the claw part 57 abuts against the dent so that the lower ring 5 is prevented from rotating. It can also be configured.

  Further, the burner ring 4 is attached so that the hanging portion 42 has a constant interval with the peripheral edge of the heat source opening 31 of the top plate 3 and moves on the top plate 3 within this range. Thereby, when the gas burner 2 is inserted and arranged in the ring hole 41 of the burner ring 4, the correlation with the mounting position of the gas burner 2 on the stove body 11 is ensured. A protrusion 45 for increasing the heat dissipation effect is formed on the hanging part 42 of the burner ring 4 so as to protrude outward.

  With the above configuration, when cooking is performed using the gas burner 2, the top plate 3 and the burner ring 4 are heated, and the top plate 3 is deformed, or there is a concern of scorching due to boiling over the burner ring 4. However, since the heat dissipating part 56 under the ring 5 attached to the burner ring 4 is arranged in contact with the top plate 3 around the heat source opening 31 on the lower surface of the top plate 3, The heat is directly transferred to the heat radiating portion 56, and the heat of the burner ring 4 is released from the hanging portion 42 and is transferred from the attachment piece 53 under the ring 5 to the heat radiating portion 56. As a result, the heat of the top plate 3 and the burner ring 4 is released to the atmosphere through the heat radiating portion 56 extending to the vicinity of at least one outer peripheral edge of the top plate 3. In particular, the heat dissipating part 56 extends in the direction away from the heat source, that is, the pan arrangement area when the pan is placed on the virtues 12 and the area excluding the upper side of the grill cabinet 13. The heat of the top plate 3 and the burner ring 4 can be radiated well without absorbing the generated heat. Further, since the heat of the burner ring 4 is also released from the hanging part 42 formed on the burner ring 4, there is no possibility that the top plate 3 is overheated by the heat of the burner ring 4.

  For example, in the case where a single large heat sink made of aluminum and a stainless steel ring-shaped ring bottom are used, and when the bottom of the ring having a plate-shaped heat radiation portion as in the above embodiment is formed of aluminum As a result of comparing the temperature of the burner ring and the top plate near the burner ring, a temperature drop of 20 to 30 ° C. was observed when using the bottom of the ring having a heat radiating portion.

  Furthermore, since the heat radiating portion 56 is integrally formed under the ring 5, even if the top plate 3 is made of glass, it is not necessary to separately form a heat radiating plate and place it on the lower surface of the top plate 3 as in the prior art. Therefore, it is possible to prevent damage to the top plate 3 caused by the movement of the heat radiating plate in the surface direction with respect to the top plate 3 and the burner ring 4 due to an external impact on the gas stove 1.

In addition, this invention is not limited to embodiment described with the said description and drawing, A various change is possible within the scope of the present invention.
In the present embodiment, the heat dissipating part is formed so as to avoid the upper part of the grill box. It can be formed so as to extend radially to the vicinity of the periphery of the top plate. In addition, even in the case of a gas stove that does not have a grill warehouse even if it has a plurality of gas burners, the heat radiating part extends to the vicinity of the periphery of the top plate and faces the bottom of the adjacent ring. The portion can be extended so that the end portions of the adjacent heat sinks are close to each other.

  Thus, the cooking device of the present invention is not only a gas stove with two gas burners provided on the stove body, but also a gas stove with one or three gas burners as in the embodiment shown in FIG. Applicable.

  Moreover, in the said embodiment, the screw under the ring used as the cover under the cover was screwed to the burner ring used as the cover for heat sources. However, in the vicinity of the heat source opening of the top plate, the lower part of the ring is attached to the lower surface of the top plate, and an arcuate guide portion that rises upward is formed in the insertion hole formed in the center part under the ring. The heat dissipating part of the present application can also be applied under the ring configured to contact the hanging part of the burner ring.

  Note that the heat source cover can be configured by only the burner ring as in the present embodiment, or can be configured by combining the burner cover and the burner ring that cover the upper side of the burner ring.

  Moreover, although the said embodiment demonstrated the case where it was a built-in type heating cooker attached so that a stove main body might be dropped in the accommodation space of a countertop, the heating cooker of this invention is a table-type heating cooking It can also be applied to vessels.

  Furthermore, although the case where the heat source for heating is a gas burner that burns gaseous fuel has been described in the above embodiment, the present invention can also be applied when the heat source for heating is a burner that burns liquid fuel. Not only the burner but also an electric heater using nichrome wire and other heat sources can be applied.

DESCRIPTION OF SYMBOLS 1 Gas stove 2 Gas burner 3 Top plate 4 Burner ring 5 Lower ring 6 Support member 7 Rotation prevention member 11 Stove main body 12 Gotoku 13 Grillhouse 31 Heat source opening 42 Hanging part 51 Insertion hole 52 Clamping part 56 Radiation part 57 Claw part

Claims (4)

A top plate that covers the upper open portion of the stove body with a heat source and has a heat source opening that exposes the heat source, and a hanging portion that is disposed on the top surface of the heat source opening of the top plate and is inserted through the heat source opening An annular heat source cover that exposes the heat source, and a lower surface of the peripheral edge of the heat source opening of the top plate in contact with the heat source cover in a state where the hanging portion of the heat source cover is inserted into the heat source opening A heating cooker comprising a cover under the cover,
The bottom of the cover has an insertion hole through which the heat source and the hanging portion are inserted, and extends in a direction away from the heat source from a lower position of the heat source cover in a state of being in contact with the lower surface of the top plate. Cooker with a heat sink. The heating cooker according to claim 1, wherein
The heat source is constituted by a gas burner, and the gas burner is fixed through a support member in the stove body,
The cover bottom is provided on the inner peripheral edge of the insertion hole, and includes an attachment piece attached to the hanging portion, and a heat sink under the cover is formed with a claw portion protruding downward.
The support member is a heating cooker having a rotation preventing portion that prevents rotation under the cover when the claw portion abuts at a position facing the claw portion. In the heating cooker according to claim 1 or 2,
The stove body is provided with at least two left and right gas burners as heat sources, and a grill cabinet with other heat sources is provided between the left and right gas burners, and the bottom of the cover is individually provided for each gas burner. The heat-dissipating part under the cover extends in a direction away from the gas burner and the grill. In the heating cooker according to any one of claims 1 to 3,
A cooking device whose top plate is made of glass.

Images