JP2011144971A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating cooker capable of smoothly taking in/out a tray. <P>SOLUTION: In the heating cooker, a drawer body 30 holding a heated object is taken in/out from an opening of a cooking chamber 20 having a heating device. Rollers 22, 34 and roller guides 23, 33 engaged with the rollers 22, 34 and relatively moved with respect to the rollers 22, 34 by operation for taking in/out the drawer body 30 are interposed between inner both sides of the cooking chamber 20 and outer both sides of the drawer body 30. Inclined faces 33a, 231a in which central part side in the width direction of the cooking chamber 20 is formed low are provided on engagement faces in the gravity direction of the roller guides 23, 33 with the rollers 22, 34. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a cooking device having a cooking chamber such as a roaster grill.

  When the tray of the cooking device is put in and out, there are many problems related to operability due to an increase in sliding friction and variations in the amount of play due to many deformations and many components during heat load. As a conventional cooking device that can smoothly put in and out the tray, the grill cabinet and grill pan, the grill door with the door and handle integrated, and the grill pan are held and fixed to the grill door. There is a guide grille fixed to the grill cabinet provided with a U-shaped groove for inscribed a contact portion of the linear grill pan holding device and the grill pan holding device (for example, Patent Documents). 1).

Japanese Patent Laying-Open No. 2005-27691 (Abstract, FIGS. 1 and 2)

  The conventional cooking device as described above is such that the U-shaped groove of the guide metal fitting makes the contact portion of the linear grill pan holding device fixed to the grill door inscribed in the guide metal fitting. There is a gap between the U-shaped groove of the grill plate and the grill pan holding device, particularly in the left-right direction, and there is a case where it is difficult to smoothly put in and out when the grill pan holding device is put in and out. was there.

  The present invention has been made to solve the above-described problems of the prior art, and is a heating cooker that allows a drawer body (tray) to be taken in and out smoothly with a simple structure and high quality. The purpose is to provide.

  The heating cooker according to the present invention is a heating cooker for taking in and out a drawer body that holds an object to be heated from an opening of a cooking chamber provided with a heating device, and both inner side portions of the cooking chamber and the drawer. A roller and a roller guide that is engaged with the roller and moves relative to the roller by the withdrawal and insertion operation of the drawer body are interposed between both sides of the body. The gravitational direction engaging surface includes an inclined surface formed so that the widthwise central portion side is formed low when viewed from the front of the cooking chamber.

  According to the present invention, the engaging surface in the gravity direction with the roller of the roller guide includes an inclined surface formed with a lower central portion in the width direction of the cooking chamber. It changes to the center side in the width direction of the cooking chamber. For this reason, since it adjusts so that the force to a cooking chamber center direction may always work with respect to a drawer | drawing-out body, the operativity of putting in / out of a drawer | drawing-out body is improved, and it can perform smoothly with a high-class feeling. Further, since the configuration is simple, it can be provided at a low cost.

It is a perspective view which shows the external appearance of the heating cooker which concerns on Embodiment 1 of this invention, and shows the state which pulled out the drawer body to the operator's near side. The disassembled perspective view of the roaster grill part shown by FIG. The principal part sectional drawing which shows the engagement state of the roller attached to the inner side vicinity lower part of the opening part of the cooking chamber shown by FIG. 2, and the roller guide of a drawer | drawing-out body. The principal part sectional drawing which shows a state when the engaging part with respect to the roller of the roller guide shown by FIG. 3 changed to the slope part. The principal part sectional drawing which shows the engagement state of the roller attached to the inner side both sides of the roller attached to the back | inner side of the drawer body shown by FIG. 2, and a cooking chamber. FIG. 6 is an essential part cross-sectional view showing a state where the roller shown in FIG. 5 rides on the slope of the roller guide. The principal part sectional drawing which shows the engagement state of the roller attached to the inner side vicinity lower part of the opening part of the cooking chamber of the heating cooker which concerns on Embodiment 2 of this invention, and the roller guide of a drawer. The principal part sectional drawing which shows the engagement state of the roller attached to the roller attached to the drawer inner side of the drawer body of the heating cooker which concerns on Embodiment 2 of this invention, and the inner side both sides of a cooking chamber.

Embodiment 1 FIG.
FIGS. 1-6 is a figure explaining the induction heating cooking appliance as a heating cooking appliance concerning Embodiment 1 of this invention, FIG. 1 is a perspective view which shows the state which pulled out the drawer body to the operator's near side. 2 to 6 show details of the roaster grill section which is a main part of the first embodiment. Throughout the drawings, the same or corresponding parts are denoted by the same reference numerals. In the figure, a built-in type heating cooker 1 is provided with a box-shaped main body 2 having an upper opening and a frame member 3a around it, and is detachably mounted covering the upper opening of the main body 2. A top plate (top plate) 3 is provided. On the top plate 3, a plurality of placement units 3b for placing a cooking pan or the like, a thermal power display unit 4, a liquid crystal display unit 5, an upper surface operation unit 6 and the like are provided. Further, an intake port 7, an exhaust port 8, and the like are provided on the back side of the top plate 3.

  Although not shown in the inside of the main body 2, heating comprising a left electromagnetic induction heating coil, a right electromagnetic induction heating coil, and a central heater (for example, a radial heater) corresponding to each mounting portion 3 b of the top plate 3. In addition, a control unit that controls the heating unit, a cooling fan that cools the heating unit and the control unit, and the like are provided. Further, a front operation unit 9 having a power switch or the like is provided on the front side of the main unit 2, and a roaster grill 10 is installed on the front side of the main unit 2 adjacent to the front operation unit 9.

  The roaster grill 10 is composed of a cooking cabinet 20 and a drawer 30 provided so as to be taken in and out from an opening 20 a formed at the front end of the cooking cabinet 20. Inside the cooking cabinet 20, an upper heater 21a that constitutes a heating device, which is held by the back wall 20b, is provided on the top plate 3 side (upper side), and a lower heater 21b that is also held by the back wall 20b has a bottom portion. And is provided in the lower part with a gap. The drawer 30 is composed of a grill door 31 that closes the opening 20a and a tray 32 that accommodates an object to be heated fixed to the back surface of the grill door 31. An operation handle 31 a is provided on the front surface of the grill door 31. The roaster grill is also referred to as a grill roaster or a grill, but here it is referred to as a roaster grill. Hereinafter, the configuration of the roaster grill 10 will be described more specifically.

  As shown in FIG. 2, a pair of left and right first rollers 22 is provided at the lower part near the inside of the opening 20 a of the cooking cabinet 20 so as to be rotatable with respect to the support shaft 220. As shown in the cross-sectional view of FIG. 3, the two corners on the outside of the tray 32 constituting the drawer 30 are engaged with the first roller 22 in the direction of gravity from above, and the width direction as viewed from the front of the cooking cabinet 20. A pair of left and right first roller guides 33 each having an inclined surface 33a formed with a lower central portion is provided. The first roller guide 33 formed so as to extend in the front-rear direction is seen from the front side of the drawer 30, on the inclined surface 33 a, the horizontal surface portion 33 b that continues to the upper end portion of the inclined surface 33 a, and the lower end portion of the inclined surface 33 a. It is formed by the continuous vertical surface portion 33c and is formed integrally with the tray 32 symmetrically by, for example, press molding.

  The first roller 22 is configured using a material having excellent heat resistance such as a metal material. Further, the projecting side corner portion has a chamfered C surface 22 a, and the C surface 22 a is configured to engage with the inclined surface 33 a of the first roller guide 33. In this example, the C surface 22a and the inclined surface 33a have substantially the same inclination angle and are formed at about 45 °. In addition, the C surface 22 a is useful for preventing the first roller guide 33 of the tray 32 from being damaged by the first roller 22.

  A pair of left and right second rollers 34 made of a material excellent in heat resistance, such as a metal material, protrudes on both sides of the outside of the tray 32 constituting the drawer 30 so as to be rotatable with respect to the support shaft 340. The second roller 34 is a pair of symmetrically opposed first and second recesses each having a substantially C-shaped recess having a rail-shaped cross section having an inclined surface integrally formed by the inner wall of the cooking cabinet 20. The two roller guides 23 are configured to roll or slide.

  The rail-like second roller guide 23 extending in the front-rear direction is formed integrally with the casing on the side wall portion of the casing constituting the cooking chamber 20. As shown in FIGS. 3 and 5, the second roller guide 23 includes an inclined surface 231 a and a lower inclined surface 231 a formed at a lower central portion in the width direction when viewed from the front of the cooking chamber that supports the second roller 31 in the direction of gravity. A lower locking portion 231 composed of a horizontal surface portion 231b continuous with the lower end portion of 231a, and provided above the lower locking portion 231 in a plane-symmetric manner to limit the upward movement of the second roller 34. It is comprised by the upper side latching | locking part 232 which consists of an upper inclined surface part 232a and the upper horizontal surface part 232b.

  In this example, the casing constituting the cooking chamber 20 is divided into two parts vertically as shown in FIG. 2, and the press-formed members are connected to a flange portion 24 a provided in the second roller guide 23, It is formed to be joined at 24b. The lower flange portion 24a is provided so as to be continuous with the upper end portion of the inclined surface 231a, and the upper flange portion 24b is provided so as to be connected via a vertical surface portion 232c continuous with the lower end portion of the upper inclined surface portion 232a. . Since other configurations are the same as those of the conventional one, description thereof is omitted.

  Next, the operation of the first embodiment configured as described above will be described. When the drawer body 10 is taken in and out of the cooking chamber 20, a pair of first rollers 22 provided in the lower part in the vicinity of the inside of the opening 20 a of the cooking chamber 20 are formed on a pair of first sides formed on both outer sides of the drawer body 30. While a pair of second rollers 34 provided on both inner sides of the drawer body 30 are engaged with the roller guides 33, a pair of second roller guides 23 provided on both inner sides of the cooking chamber 20. To move relatively. In addition, since the roller and the roller guide are provided symmetrically, only one side will be described unless particularly required.

  As shown in FIG. 4, the positional relationship between the first roller 22 and the first roller guide 33 is such that the inclined surface 33 a provided on the first roller guide 33 on the side moved when the tray 32 swings left and right is the first. It gets on the roller 22. Thereby, the load direction A of the weight of the tray 32 becomes the force B in the direction in which the tray is always adjusted toward the center of the cooking chamber 20 by the inclined surface 33a, and the straightness of the tray 32 is improved by the force B. For this reason, the operability when the tray 32 is taken in and out is improved. In addition, in order to improve the slidability of the engagement surface with the roller of the 1st roller guide 33 and the 2nd roller guide 23, the surface is enameled, for example, or it gives a fluororesin coating. preferable. Further, the entire surface of the tray 32 or the cooking cabinet 20 may be enameled or coated with fluororesin.

  Similarly to the first roller 22, a pair of second rollers 34 provided on both sides of the outside of the tray 32 and an inclined surface 231 a of the second roller guide 23 formed on the inner wall of the cooking chamber 20. As for the positional relationship, when the tray 32 swings left and right, as shown in FIG. 6 from the state of FIG. 5, one of the second rollers 34 rides on the inclined surface 231 a provided on the inner wall of the cooking cabinet 20. As a result, the load direction C of the weight of the tray 32 becomes a force D in a direction in which the position of the tray 32 is always adjusted to the left and right central directions of the cooking chamber 20 by the inclined surface 231a. The operability is improved.

  When the grill door 31 is closed, the second roller 34 attached to the back side of the tray 32 is positioned in the width direction (left and right direction) by the lower inclined surfaces 231a of the left and right second roller guides 23, respectively. Be regulated. When the drawer 30 is operated to be taken in and out, the position is regulated by the lower inclined surface 231a and the upper upper inclined surface portion 232a of the second roller guide 23. Which slope is used to control the position depends on the user's operating force and tray loading weight. Note that when the tray 32 is largely displaced in the left direction in FIG. 6, for example, the tapered C surface 34a of the second roller 34 is also in contact with the upper inclined surface portion 232a and is restricted from moving further to the left. The At this time, the right second roller 34 (not shown) is kept engaged with the second roller guide 23.

  As described above, according to the first embodiment, the center portion in the width direction is formed low on the engagement surface of the first roller guide 33 with the first roller 22 in the gravity direction when viewed from the front of the cooking chamber 20. In addition to providing an inclined surface 33a, an inclined surface 231a formed on the engaging surface in the gravitational direction with the second roller 34 of the second roller guide 23 is similarly formed with a lower central portion in the width direction when viewed from the front of the cooking cabinet 20. Since it provided, the vector direction of the dead weight of the drawer 30 is changed to the left-right center direction of the cooking cabinet 20, and the force that always goes to the central direction of the cooking cabinet 20 acts on the drawer 30 so that the operability is improved and the drawer is drawn out. Putting in and out of the body is done smoothly with a sense of quality. Further, since the configuration is simple, it can be provided at low cost. Moreover, since the 1st roller guide 33 was formed integrally with the tray 32 and the 2nd roller guide 23 was formed integrally with the housing of the cooking chamber 20, the kind of member was reduced, weight reduction and volume reduction. Can also contribute to

Embodiment 2. FIG.
Next, a heating cooker according to Embodiment 2 of the present invention will be described with reference to FIGS. In the second embodiment, the inclined surface 33a of the first roller guide 33A on the drawer 30 side is always provided with respect to the first roller 22 attached to the opening 20a (FIG. 2) side of the cooking cabinet 20. By always engaging the inclined surface 231a of the second roller guide 23A on the cooking cabinet 20 side with the second rollers 34 that are engaged and attached to the both outside sides of the drawer body 30, the cooking cabinet 20 is engaged. The operability is further improved by always generating a force for adjusting the drawer 30 toward the center in the width direction and improving the straightness of the tray by the force.

  As shown in FIG. 7, the first roller guide 33A is formed such that the upper end portion of the inclined surface 33a extends to the frame end portion 32a of the tray 32, and the horizontal surface portion 33b (FIG. 3) in the first embodiment is provided. Not. Further, as shown in FIG. 8, the lower locking portion 231 of the second roller guide 23A has an inclined surface 231a that supports the second roller 34 in the direction of gravity and extends to the position of the side wall portion 20c of the cooking chamber 20. The horizontal surface portion 231b (FIG. 3) in the first embodiment is not provided. Similarly, the upper locking portion 232 is not provided with the upper horizontal surface portion 232b (FIG. 3) in the first embodiment, and is directly connected to the side wall portion 20c.

  As shown in FIG. 8, the rear end portion of the first roller guide 33 </ b> A is horizontal only in the mounting portion of the second roller 34 in order to secure a mounting seat for the support shaft 340 of the second roller 34. A surface portion 33b is formed. Similarly, as shown in FIG. 7, the front end portion of the second roller guide 23A is provided only at the mounting portion of the first roller 22 in order to secure the mounting seat of the support shaft 220 of the first roller 22. A horizontal plane portion 231b is formed. However, its function is different from that of the first embodiment. In the second embodiment, the drawer body 30 is drawn out to the boundary portion between the horizontal surface portion 33b and the inclined surface 33a and the step portion (not shown) formed at the boundary portion between the horizontal surface portion 231b and the inclined surface 231a. Occasionally, the first roller 22 and the second roller 34 collide with each other so that the drawer body 30 is prevented from inadvertently falling out of the cooking cabinet 20. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In the second embodiment configured as described above, the first roller 22 in the front portion of the cooking chamber 20, the first roller guide 33 on the drawer 30 side, and the second on the back side of the drawer 30. Since the roller 34 and the second roller guide 23 on the side portion of the cooking chamber 20 are always engaged with each other by the inclined surface 33a and the inclined surface 231a, the center of the cooking chamber 20 is always with respect to the drawer 30. A force that is adjusted in the direction is generated, and the straightness of the tray is improved by the force. For this reason, operability and operational feeling are further improved.

  In the first and second embodiments, the first roller guide 33 is formed integrally with the tray 32 constituting the drawer 30, but the present invention is not limited to this. For example, the first roller guide 33 is constituted by a member different from the tray 32, or the drawer body 30 is constituted by a tray and a frame for holding the tray, and the first roller guide 33 is provided in the frame portion. There is no problem. Moreover, although the 2nd roller guide 23 was formed with the housing | casing which comprises the cooking cabinet 20, it cannot be overemphasized that various deformation | transformation and changes, such as making it another member, are possible. Furthermore, although the case where the roaster grill 10 is attached to the induction heating type cooking device 1 has been described, it is needless to say that the present invention is not limited to this. For example, the one attached to the gas stove may be used, and furthermore, the heating cooker 1 may be a single roaster grill. Further, the heating method may be another heating method using gas or microwave.

  DESCRIPTION OF SYMBOLS 1 Heat cooker, 10 Roaster grill, 20 Cooking chamber, 20a Opening part, 20c Side wall part, 21a Upper heater, 21b Lower heater, 22 1st roller, 22a C surface, 220 Support shaft, 23, 23A 2nd roller Guide, 232a Inclined surface 231a, 231b Horizontal surface portion, 231 Lower locking portion, 232 Upper locking portion, 232a Upper inclined surface portion, 232b Upper horizontal surface portion, 232c Vertical surface portion, 24a, 24b Flange portion, 30 Drawer, 31 Grill Door, 32 tray, 32a frame end, 33, 33A first roller guide, 33a inclined surface, 33b horizontal surface portion, 33c vertical surface portion, 34 second roller, 34a C surface, 340 support shaft.

Claims (8)

  A heating cooker that takes in and out a drawer that holds an object to be heated, from an opening of a cooking cabinet provided with a heating device, between the inside both sides of the cooking cabinet and the outside both sides of the drawer, A roller and a roller guide that is engaged with the roller and moves relative to the roller by the pulling-in / out operation of the drawer, are provided on the engagement surface of the roller guide with the roller in the gravitational direction. The cooking device characterized by including the inclined surface in which the width direction center part side of the said cooking chamber was formed low.   The cooking device according to claim 1, wherein the roller has a chamfered portion engaged with the inclined surface.   A pair of first rollers rotatably provided in the lower part in the vicinity of the inside of the opening of the cooking chamber, and a pair of first rollers that are formed on both outer sides of the drawer, and engage with the first rollers. A pair of roller guides, a pair of second rollers rotatably provided on both outer sides of the drawer, and a pair of second rollers provided on both inner sides of the cooking chamber. The heating cooker according to claim 1 or 2, further comprising: a second roller guide.   The heating cooker according to claim 3, wherein the first roller guide is formed with a vertical surface portion connected to a lower end portion of the inclined surface when viewed from the front side of the drawer.   The heating cooker according to claim 4, wherein the first roller guide is formed with a horizontal surface portion continuous with an upper end portion of the inclined surface when viewed from the front side of the drawer.   The second roller guide is provided in a plane-symmetric manner with a lower locking portion made of the inclined surface that supports the second roller in the direction of gravity, and above the lower locking portion. The heating cooker according to any one of claims 3 to 5, comprising a recess formed by an upper locking portion including an upper inclined surface portion that restricts the upward movement of the roller.   The lower locking portion has a horizontal surface portion continuous with the lower end portion of the inclined surface, and the upper locking portion has an upper horizontal surface portion continuous with the upper end portion of the upper inclined surface portion. The heating cooker according to claim 6.   The cooking device according to any one of claims 1 to 7, wherein each of the rollers provided on both side portions is always engaged with the inclined surface.

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