JP2017009222A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker capable of effectively taking measures for static electricity while properly keeping assembling workability without increasing the number of components.SOLUTION: A heating cooker includes: a metallic housing 30; a supporting body 50 mounted in a state of being fitted to the housing, having an opening portion 56, and composed of an insulating material; and an operating portion 70 openable and closable by being rotated on a metallic spindle 60 disposed at a lower edge side of the opening portion 56. The operating portion 70 has an operating portion cover 72 composed of an insulating material, and a metallic decoration panel 73 covering a surface of the operating portion cover 72. A metallic kick spring 76 energizing the operating portion 70 to an opening direction, is disposed on an outer periphery of the spindle 60, and the kick spring 76 is disposed while partially kept into contact with the housing 30.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a cooking device, and more particularly, to an open / close-type operation unit provided on the front surface of which a countermeasure against static electricity is taken.

  Conventionally, as an operation unit provided on the front surface of a heating cooker, for example, as described in Patent Document 1, an operation unit itself having a circuit unit rotates around a support shaft provided on the lower end side thereof. An open / close type that opens and closes depending on the situation is known. The support structure for supporting the opening / closing operation unit is usually a metal casing (also referred to as a main body) that constitutes a part of the front plate of the heating cooker, a resin housing that is fitted into the casing and is a resin. And a support made of an insulating material. Then, an opening is provided in the lower part of the support body, and the support shaft is provided on the lower edge side of the opening to support the operation part so that it can be opened and closed. In addition to the function of supporting the operation unit, the support includes a function as an operation unit having a circuit unit therein and a function as a battery storage unit that stores a battery.

  In addition, the opening / closing type operation unit may have a metal decorative panel attached to the surface of the operation unit cover made of an insulating material such as resin in order to give a high-class feeling. However, in this case, when the user touches the decorative panel with a finger charged with static electricity, a discharge occurs between the end face of the decorative panel and the metal casing, and noise generated by the discharge is generated. This may affect the circuit section in the operation section and cause troubles such as malfunctions and display errors. It is necessary to take measures against static electricity to avoid such problems.

  As such a countermeasure against static electricity, as described in the above-mentioned Patent Document 1, the operation unit cover is provided with a conductor for electrically connecting the decorative panel and the support shaft, and the support is provided. One end of the shaft extends to the housing side and is inserted through a support hole provided in the housing. This makes it possible to ground static electricity when the user touches the decorative panel.

JP 2013-44453 A

  However, as described above, when one end of the support shaft is extended to the housing side and inserted into the support hole of the housing, assembling cannot be performed separately on the operation unit side and the housing side. There is a problem that workability becomes worse.

  On the other hand, it is conceivable to provide a contact terminal on the housing side that comes into contact with one end of the support shaft on the operation unit side. However, in this case, the number of parts increases, and accordingly, parts management becomes complicated, and the manufacturing cost is increased. There is a problem of being expensive.

  The present invention has been made in view of the above points, and its problem is to focus particularly on a kick spring disposed on the outer periphery of the support shaft in order to urge the operation portion in the opening direction, and using this kick spring. To provide a heating cooker that can effectively take countermeasures against static electricity while maintaining good assembly workability and without increasing the number of parts by energizing between the support shaft and the housing. It is in.

  In order to solve the above-described problems, the present invention provides, as a heating cooker, a metal housing and a support body that is fitted and attached to the housing and has an opening and is made of an insulating material. And an operating portion that can be opened and closed by rotating around a metal support shaft provided on the lower edge side of the opening. The operation unit includes an operation unit cover made of an insulating material and a metal decorative panel that covers the surface of the operation unit cover. Further, a metal kick spring that urges the operating portion in the opening direction is disposed on the outer periphery of the support shaft, and the kick spring is provided so that a part thereof is in contact with the casing.

  In this configuration, since the kick spring disposed on the outer periphery of the support shaft energizes between the support shaft and the housing, static electricity can be grounded when the user touches the decorative cover. Moreover, since the kick spring is an existing one for urging the operation portion in the opening direction, the number of parts does not increase. In addition, since assembly can be performed separately on the housing side and on the support and operation unit side, the assembly workability can be maintained satisfactorily.

  Here, the specific form provided so that a part of said kick spring may contact the said housing | casing is as follows. That is, one end portion extending from a spring portion wound in a coil shape of the kick spring is formed in a crank shape having a first straight portion on the spring portion side, a second straight portion, and a connecting portion connecting them, The first straight portion is configured to contact the housing.

  In addition, it is preferable that a concave groove for preventing the kick spring from being displaced in the left-right direction is formed in a portion having a predetermined width in a portion that contacts the first linear portion of the housing. In this case, it is possible to prevent the kick spring from being displaced in the left-right direction due to the concave groove having a predetermined width, and it is possible to easily assemble as much as the concave groove has a margin in the width direction.

  Furthermore, it is preferable that a conductor for electrically connecting the decorative panel and the support shaft is provided on the operation unit cover. In this case, since electricity is reliably performed between the decorative panel and the support shaft by the conductor provided on the operation unit cover, it is advantageous for implementation.

  Or you may provide the notch part for making the other end part of the said kick spring, and the said decorative panel contact in the said operation part cover. In this case, since the energization between the decorative panel and the support shaft is performed by the existing kick spring without requiring the conductive element, the number of parts can be further reduced.

  According to the cooking device of the present invention, since the kick spring arranged on the outer periphery of the support shaft conducts electricity between the support shaft and the housing, static electricity can be grounded when the user touches the decorative cover. . Moreover, since the kick spring is an existing one for urging the operation portion in the opening direction, the number of parts does not increase. In addition, since assembly can be performed separately on the housing side and on the support and operation unit side, the assembly workability can be maintained satisfactorily. Therefore, it is possible to effectively take countermeasures against static electricity, and the effect is excellent in practicality.

FIG. 1 is a perspective view showing an overall configuration of a gas stove according to an embodiment of the present invention. FIG. 2 is a view corresponding to FIG. 1 showing a state in which the openable operation unit is opened from the state shown in FIG. 3 is a view corresponding to FIG. 1 showing a state in which the rotary operation knob and the operation knob are operated to the protruding position from the state shown in FIG. FIG. 4 is a perspective view of the right operation unit of the gas stove as viewed from the rear. FIG. 5 is a rear view of the right operation unit. FIG. 6 is also a bottom view. FIG. 7 is an enlarged cross-sectional view taken along line XX in FIG. FIG. 8 is an enlarged view of a portion D in FIG. 9 is an enlarged cross-sectional view taken along line YY of FIG. FIG. 10 is an enlarged view of a portion E in FIG. FIG. 11 is an enlarged cross-sectional view taken along line ZZ in FIG. FIG. 12 is an enlarged view of a portion F in FIG. FIG. 13 is a perspective view of the housing of the right operation unit. FIG. 14 is a view corresponding to FIG. 12 showing another embodiment of the present invention.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments that are modes for carrying out the present invention will be described with reference to the drawings.

  FIG. 1 thru | or FIG. 3 shows the whole structure of the gas stove 1 as a heating cooker which concerns on one Embodiment of this invention. The gas stove 1 is a built-in type stove, and is used by being incorporated in a cabinet of a system kitchen, for example.

  The gas stove 1 includes a case main body 2 and heating means incorporated in the case main body 2. Specifically, the heating means includes three stove burners 3, 4 and 5 and a grill cabinet 6 incorporating a grill burner (not shown). The three stove burners 3 to 5 are all bunsen burners. In addition, the stove burners 3 to 5 are so-called double high thermal power specifications in which the left and right two stove burners 3 and 4 are both composed of a high thermal power burner, and only the rear stove burner 5 is composed of a small burner. Has been.

  The case body 2 is formed in a rectangular box shape that opens upward, and a top plate 11 that covers the upper opening is installed on the case body 2. A portion of the top plate 11 corresponding to each of the burners 3 to 5 is formed with a burner insertion port 12 through which the substantially circular upper portion of each of the burners 3 to 5 is directed upward. Exposed. On the top surface of the top plate 11, five virtues 13 for receiving and supporting an object to be heated such as a pan are disposed corresponding to each of the burners 3 to 5. Further, a grill exhaust port 14 for exhausting the combustion exhaust gas of the grill cabinet 6 is provided in the back side portion (rear part) of the top plate 11.

  A grill opening 15 is provided at the center of the front side of the case body 2 in the left-right direction, and a grille opening 15 for taking in and out the food to and from the grill cabinet 6 and covering the grille opening 15 is provided. Can be opened and closed. Although not shown, the grill cabinet 6 has a grill burner disposed therein and uses the internal space as a combustion chamber.

  On the front side of the case body 2, two left and right operation units 17 and 18 are provided with the grill door 16 of the grill cabinet 6 sandwiched therebetween. Each of the operation units 17 and 18 includes first operation units 17a and 18a in the upper half, and second operation units 17b and 18b in the lower half.

  The first operation portion 17a of the left operation unit 17 is provided with two left and right rotation operation knobs 21 and 22. The left rotation operation knob 21 is for the left-hand side combustor 3, and is moved forward in the center line direction (front-rear direction) for instructing fire extinguishing. It is configured to be able to switch to a projecting position for projecting and commanding ignition, and is configured to be rotatable to adjust the amount of combustion at the projecting position. The right rotation operation knob 22 is for the back side burner 5 and is configured in the same manner as the left rotation operation knob 21.

  The second operation portion 17b of the left operation unit 17 is of an openable and retractable type with the lower end side as a support shaft that can be pulled out and rotated toward the front side. It is supposed to be. The setting input panel 23 is for the front-side left-hand side stove burner 3 and the rear-side front-side stove burner 5, and has a configuration in which various settings of the two stove-burners 3, 5 can be made. When the second operation unit 17b is in a closed state, the surface (front surface) thereof is substantially flush with the surface of the first operation unit 17a.

  The first operation portion 18a of the right operation unit 18 is provided with an operation knob 24 and a rotation operation knob 25 side by side. The operation knob 24 is for the grill cabinet 6, and is moved in the center line direction so as to command a push-in position for instructing fire extinguishing and a projecting position for projecting forward from the push-in position to command ignition. And can be switched to. The rotary operation knob 25 is for the right-hand side burner 4, and is moved in the direction of the center line so as to command a fire extinguishing position and to project forward from the pushing position to command ignition. It is comprised so that it can switch to the protrusion position for this, and it is comprised so that rotation operation is possible in order to adjust a combustion amount in the said protrusion position.

  The second operation unit 18b of the right operation unit 18 is of an openable and retractable type that can be pulled out and rotated to the front side with the lower end side as a support shaft. It is supposed to be. The setting input panel 26 is for the grill cabinet 6 and the front right burner 4 and is configured to perform these various settings. When the second operation unit 18b is in a closed state, the surface (front surface) thereof is substantially flush with the surface of the first operation unit 18a.

  The left operation unit 17 and the right operation unit 18 have the same basic configuration, and the right operation unit 18 will be further described below with reference to FIGS. 4 to 13.

  That is, as shown in FIGS. 4 to 6, the right operation unit 18 includes a housing 30 made of metal (iron, aluminum, etc.), a support body 50 fitted and attached to the housing 30, and this support An operation unit 70 supported by the body 50 so as to be opened and closed and a connector holding member 90 are provided.

  As shown in detail in FIG. 13, the entire housing 30 is formed in a vertically long rectangular frame shape by an upper plate portion 31, left and right side plate portions 32 and 33, and a bottom plate portion 34. The housing 30 constitutes a part of the front surface portion of the case body 2 and is grounded via the case body 2 and a ground wire (not shown) connected thereto. The left side plate portion 32 is provided with a flange portion 35 and a positioning pin 36 for connecting to a member on the grill cabinet 6 side.

  The casing 30 is formed with a gate-shaped flange portion 37 extending from the front edge portion of the upper plate portion 31 to the upper front edge portions of the left and right side plate portions 32, 33. An insertion hole 38 for a positioning pin and an insertion hole 39 for fastening are provided at each corner. Further, a flange portion 40 formed by bending the rear edge portion upward is formed at the rear edge portion of the bottom plate portion 34, and a fastening insertion hole 41 is provided in the flange portion 40. When the support 50 is fitted into the housing 30 from the front, positioning pins 51 (see FIG. 5) provided on the support 50 are inserted into the insertion holes 38 for positioning, and at the same time, each flange The corresponding portions of the support 50 abut on the portions 37 and 40, respectively. In this state, a support member 50 is attached to the housing 30 by inserting and fastening fastening members (set screws or bolts and nuts) into the fastening insertion holes 39 and 41.

  The support 50 is made of an insulating material such as resin, and is formed in a vertically long rectangular shape that can be fitted into the housing 30. The support body 50 is configured to exhibit the function as the first operation portion 18a on the upper side thereof.

  That is, inside the upper portion of the support 50, a holding mechanism 52 that holds the operation knob 24 movably in the center line direction, and the rotation operation knob 25 can be moved in the center line direction and can be rotated around the center line. A holding mechanism 53 for holding, a light emitting device such as an LED, and other electronic components related to the operation of the operation knob 24 and the rotation operation knob 25 are provided.

  Further, as shown in FIGS. 7, 9, and 11, the support body 50 includes an operation unit cover 54 that constitutes an upper surface thereof, and a decorative panel 55 that covers the surface of the operation unit cover 54. Yes. The operation unit cover 54 is made of an insulating material such as resin, and the horizontal width dimension of the operation unit cover 54 is set to be a predetermined dimension larger than that of the support body 50. The right side plate portion 33 protrudes to the side. For this reason, the operation portion cover 54 is detachably attached to the support body 50 by an engagement structure (not shown) between the hook portion and the insertion hole. The decorative panel 55 is made of metal and is attached to substantially the entire surface of the operation unit cover 54.

  The support 50 has a substantially rectangular opening 56 at its lower part. Of the portion surrounding the periphery of the opening 56 of the support 50, the left and right side edges are constituted by plate-like opening side walls 57 and 58, and the lower edge is constituted by an opening lower wall 59. The support body 50 is configured to support the operation unit 70 so as to be openable and closable via a support shaft 60 provided on the lower edge side of the opening portion 56 and between the left and right opening side wall portions 57 and 58. The support shaft 60 is made of metal, and its length is set to be substantially the same as the distance between the outer surfaces of the left and right opening side wall portions 57 and 58. Therefore, one end of the support shaft 60 does not contact the corresponding side plate portion 32 or 33 of the housing 30 (see FIG. 13).

  A fixed storage portion 63 of a battery storage portion 62 that stores the battery 61 is integrally formed in the opening lower wall portion 59 of the support 50. The battery storage unit 62 includes a fixed storage unit 63 and a movable storage unit 64 fitted to the fixed storage unit 63 so as to be slidable in the front-rear direction. The movable storage unit 64 is fitted to the fixed storage unit 63. The battery 61 can be replaced by pulling backward from the state. The left operation unit 17 does not include the battery storage unit 62, and the battery 61 in the battery storage unit 62 of the right operation unit 18 is used as a common power source.

  The operation unit 70 constitutes the second operation unit 18 b and is provided so as to be opened and closed by rotating about the support shaft 60. As shown in FIG. 7, the operation unit 70 covers the surface of the operation unit main body 71, the operation unit cover 72 that forms the front surface of the operation unit 70 together with the front surface 71 a of the operation unit main body 71, and the surface of the operation unit cover 72. And a decorative panel 73.

  The operation portion main body 71 is made of an insulating material such as resin, and sandwiches the front portion 71a and the panel surface portion 71b between the two sides of the left and right substantially triangular side portions 71c and 71c. Is formed. The support shaft 60 passes through one corner of each side surface 71c and the corner corresponding to the lower end of the front surface 71a. A setting input panel 26 is attached to the front surface of the panel surface portion 71b, and a control board 74 associated with the setting input panel 26 is attached to the back surface side of the panel surface portion 71b. A protrusion 75 is formed at the rear end of the panel surface portion 71b. When the operation portion main body 71 and the operation portion 70 are rotated around the support shaft 60 and opened, the projection 75 comes into contact with the stopper portion 65 formed on the upper edge side of the opening portion 56 of the support body 50 to open the position. It comes to determine.

  A kick spring 76 that urges the operation unit 70 in the opening direction is disposed on the outer periphery of the support shaft 60. The kick spring 76 is made of metal, and as shown in FIGS. 6 and 13, a spring portion 76a wound in a coil shape and end portions 76b and 76c extending substantially linearly from both ends of the spring portion 76a, respectively. It consists of. One end portion 76b is inserted into an insertion hole 66 provided in the lower opening wall portion 59 of the support 50 as shown in an enlarged detail in FIG. 10, and the other end portion 76c is shown in an enlarged detail in FIG. As shown, it is fitted into a recess 77 formed on the back surface side of the front surface portion 71 a of the operation portion main body 71.

  Although not shown, an engagement protrusion is provided on the back surface side of the front surface 71a of the operation unit main body 71, while the front end side of the fixed storage portion 63 corresponds to the engagement protrusion. The locking device is attached. When the operation unit 70 is closed, the lock device engages and locks with the engaging protrusion, and holds the operation unit 70 in the closed position. When the front side of the operation unit 70 is pushed from this closed position, the lock device is locked. The state is released, and the operating portion 70 is rotated about the support shaft 60 and opened by the urging force of the kick spring 76.

  Like the operation unit cover 54, the operation unit cover 72 is made of an insulating material such as resin, and the width of the operation unit cover 72 is set larger than that of the support 50 by a predetermined size. The size protrudes laterally from the right side plate portion 33 of the housing 30. Further, the operation unit cover 72 is provided so as to be opened and closed by rotating relative to the operation unit main body 71 around the support shaft 60. Is fixed by an engagement structure (not shown). Although not shown, the operation portion cover 72 is provided with a notch portion in the bearing portion that receives the support shaft 60, and the bearing portion can be detached from the support shaft 60 and removed at the notch portion. The decorative panel 73 is made of metal and is attached to substantially the entire surface of the operation unit cover 72.

  The connector holding member 90 is made of an insulating material such as a resin, and is fixed to the upper inner side of the support 50 and the rear end side of the fixed storage portion 63 by a set screw 91, respectively. The connector 92 is configured to hold the connector 92 below the connector holding member 90.

  Here, in the case where the static electricity countermeasure is not applied to the decorative panel 73 of the operation unit 70, when the user touches the decorative panel 73 with a statically charged finger, a portion having a short space distance or creepage distance, for example, a decorative panel A discharge from the end surface of the support 73 to the support shaft 60 and a discharge from the end surface of the decorative panel 73 to the housing 30 in the vicinity thereof occur, generating a large impulse noise, and the control board 74 on the back side of the panel surface portion 71b of the operation unit 70 It will affect and cause troubles such as malfunction and display. For this reason, in the present embodiment, countermeasures against static electricity are taken for the decorative panel 73 of the operation unit 70, and the countermeasures against static electricity will be described below. Note that the decorative panel 55 on the upper side of the support 50 does not rotate around the support shaft 60 like the decorative panel 73 of the operation unit 70, and there is no portion with a short spatial distance or creepage distance that causes discharge. No countermeasures against static electricity are taken.

  That is, in this embodiment, as a countermeasure against static electricity, the operation unit cover 72 is provided with a conductor 101 that electrically connects the decorative panel 73 and the support shaft 60 as shown in FIG. The conductor 101 is formed by bending a metal bar such as iron or copper into an L shape, and one side of the conductor 101 is sandwiched between the operation unit cover 72 and the decorative panel 73. Further, the other side of the conductor 101 is in contact with the support shaft 60 while being held by the holding portion 102 provided on the operation portion cover 72. In this contact state, the operation portion 70 is in contact with the support shaft 60. It is also maintained when rotating around the center.

  Further, as shown in FIG. 10, the kick spring 76 is provided so that one end portion 76 b of the kick spring 76 is in contact with the bottom plate portion 34 of the housing 30. When one end portion 76 b of the kick spring 76 simply extends linearly and is inserted into the insertion hole 66 of the lower opening wall portion 59 as in the prior art, the one end portion 76 b of the kick spring 76 is connected to the bottom plate portion 34 of the housing 30. There is no contact.

  On the other hand, in the present embodiment, one end 76b of the kick spring 76 is formed in a crank shape having a first straight portion 76d and a second straight portion 76e on the spring portion side, and a connecting portion 76f connecting them. Yes. On the other hand, as shown in FIG. 13, a rising portion 103 is formed on the front edge portion of the bottom plate portion 34 of the housing 30 so as to rise upward, and the first straight portion 76d. Is in contact with the rising portion 103, and the second straight portion 76 e is inserted into the insertion hole 66 of the opening lower wall portion 59. A concave groove 104 for preventing the kick spring 76 from being displaced in the left-right direction is formed with a predetermined width in the rising portion 103 which is a portion in contact with the first straight portion 76d of the housing 30. Yes.

  As described above, the kick spring 76 disposed on the outer periphery of the support shaft 60 is provided such that a part (one end portion 76 b) thereof contacts the housing 30. For this reason, the kick spring 76 energizes between the support shaft 60 and the housing 30, and coupled with the decorative panel 73 and the support shaft 60 being electrically connected by the conductor 101. Static electricity can be grounded. In other words, the metal decorative panel 73 is electrically connected to the housing 30 and thus to the case body 2 via the metal conductor 101, the support shaft 60, and the kick spring 76. When the makeup panel 73 is touched with an electrostatically charged finger, the electric charge that flows from the user's finger to the makeup panel 73 is quickly passed to the case body 2 and is so-called body grounded. It is possible to prevent the occurrence of noise associated therewith.

  Moreover, since the kick spring 76 is an existing one for urging the operation unit 70 in the opening direction, the number of parts does not increase. Further, the operation units 17 and 18 are integrally formed as in the case where one end of the support shaft 60 is extended to the housing 30 side of each operation unit 17 and 18 and inserted into the support hole of the housing 30. There is no need to assemble, and assembling can be performed separately on the housing 30 side of each operation unit 17, 18 and on the support 50 and operation unit 70 side, so that the assembly workability can be maintained well. Therefore, it is possible to effectively take countermeasures against static electricity, and the effect is excellent in practicality.

  In particular, in the case of the present embodiment, in order to bring a part of the kick spring 76 into contact with the housing 30, one end 76b of the kick spring 76 is connected to the first straight portion 76d and the second straight portion 76e on the spring portion side. A rising portion 103 is formed on the front edge portion of the bottom plate portion 34 of the housing 30 by raising the front edge portion upward. The first straight portion 76d is in contact with the rising portion 103, and the second straight portion 76e is inserted into the insertion hole 66 of the support 50. With such a configuration, a part of the kick spring 76 can be reliably brought into contact with the housing 30, which is effective for implementation.

  In addition, a concave groove 104 is formed in the rising portion 103 that is a portion in contact with the first linear portion 76d of the housing 30 so as to prevent the kick spring 76 from being displaced in the left-right direction with a predetermined width. Therefore, it is possible to prevent the kick spring 76 from being displaced in the left-right direction due to the concave groove 104 having a predetermined width, and it is possible to easily assemble the concave groove 104 by a margin in the width direction.

  Furthermore, since the conductor 101 for electrically connecting the decorative panel 73 and the support shaft 60 is provided on the operation unit cover 72, the conductive element 101 ensures the energization between the decorative panel 73 and the support shaft 60. Can be done.

  In addition, this invention is not limited to the said embodiment, A various other form is included. For example, in the above-described embodiment, the conductor 101 that electrically connects the decorative panel 73 and the support shaft 60 is provided on the operation unit cover 72. However, in the present invention, the other of the kick springs 76 is used instead of the conductor 101. You may comprise so that electricity supply between the decorative panel 73 and the spindle 60 may be performed using the edge part 76c. For example, as shown in FIG. 14, a notch portion 121 is provided on the front surface portion 71 a of the operation portion main body 71 (see FIG. 11) corresponding to the other end portion 76 c of the kick spring 76, and the operation portion cover 72 is provided on the operation portion cover 72. A notch 122 is provided corresponding to the loop 76g provided at the tip of the other end 76c of the kick spring 76. The loop portion 76g of the kick spring 76 and the decorative panel 73 are in contact with each other through the notches 121 and 122. In this configuration, since the energization between the decorative panel 73 and the support shaft 60 is performed by the existing kick spring 76 without requiring the conductor 101, the number of parts can be further reduced.

  Further, in the above-described embodiment, the support body 50 functions as the first operation portion 18 a on the upper side, and has the opening portion 56 on the lower portion, and the opening portion 56 can open and close the operation portion 70. It was configured to support. However, the present invention is not limited to this, and the upper side of the support 50 may be configured to have a function as a battery storage unit or other functions, or an opening may be provided on substantially the entire surface of the support. You may comprise so that an operation part may be supported so that opening and closing is possible.

  Further, the present invention is not limited to the built-in type gas stove 1 as in the above-described embodiment, but can be applied to other heating cookers other than the gas stove, such as other gas stoves and electromagnetic cookers.

1 gas stove (heating cooker)
17, 18 Operation unit 30 Housing 50 Support body 56 Opening portion 60 Support shaft 70 Operation portion 72 Operation portion cover 73 Cosmetic panel 76 Kick spring 76a Spring portion 76b One end portion 76c The other end portion 76d First straight portion 76e Second Straight line portion 76f Connection portion 101 Conductor 103 Start-up portion 104 Groove 122 Notch

Claims (5)

A metal housing,
A support body that is fitted and fitted into the housing, has an opening, and is made of an insulating material;
An operation portion that can be opened and closed by rotating around a metal support shaft provided on the lower edge side of the opening,
The operation unit includes an operation unit cover made of an insulating material, and a metal decorative panel that covers the surface of the operation unit cover.
A metal kick spring that urges the operating portion in the opening direction is disposed on the outer periphery of the support shaft, and the kick spring is provided so that a part thereof is in contact with the casing. Cooking device.   One end portion extending from a spring portion wound in a coil shape of the kick spring is formed in a crank shape having a first straight portion on the spring portion side, a second straight portion, and a connecting portion connecting them, The heating cooker according to claim 1, wherein the first straight portion is in contact with the casing.   3. The heating according to claim 2, wherein a concave groove for preventing the kick spring from being displaced in the left-right direction is formed in a portion of the casing that contacts the first linear portion with a predetermined width. Cooking device.   The cooking device according to any one of claims 1 to 3, wherein a conductor that electrically connects the decorative panel and the support shaft is provided on the operation unit cover. The cooking device according to claim 2 or 3, wherein the operation portion cover is provided with a notch for bringing the other end of the kick spring into contact with the decorative panel.

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