JP2014156966A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker capable of selecting the direction of drain of a drain elbow leftward or rightward when connecting a tray drain pipe to a drain elbow which is connected to a drain pipe inside a housing led out from a cooking chamber.SOLUTION: A heating cooker is provided with a drain elbow 30 connected to a drain pipe inside a housing which guides water in a cooking chamber from an opening part 11a of the housing to the lower side. The drain elbow 30 includes a first connection part which is connected to a lead-out end part of the drain pipe inside the housing and is extended downward in the vertical direction, a second connection part which has a central axis on a flat surface containing the central axis of the first connection part and has the same diameter and the same length as the first connection part and a tray drain pipe connection part which has a central axis vertically crossing the flat surface on a position where the central axis of the first connection part and the central axis of the second connection part intersect. Therein, by being rotated around the central axis of the tray drain pipe connection part, the second connection part can be connected to the lead-out end part of the drain pipe inside the housing and the first connection part can be connected to the drain pipe 23 outside the housing such that the first connection part is directed to the other lateral side of the housing.

Description

  The present invention relates to a heating cooker that heats and cooks ingredients in a cooking cabinet.

  Patent Document 1 below discloses a cooking device that cooks food. This cooking device is provided with a cooking chamber for cooking food in a housing and a steam generator for supplying steam into the cooking chamber. Moreover, the heater which heats foodstuffs, and the fan which convects the air in a cooking chamber are provided in the cooking chamber. In this heating cooker, the foodstuff accommodated in the cooking chamber is cooked by operating a heater, a fan, and a steam generator.

  As shown in FIG. 7, such a heating cooker 100 has a door 102 that closes the front opening of the cooking chamber so that it can be opened and closed on the front surface of the housing 101, and condensed water that drops from the door 102 on the lower front surface of the housing 101. A receiving tray 103 is provided. Further, in the housing 101, the housing is led from the bottom of the cooking chamber to the opening 101a formed in the rear portion of the bottom wall of the housing 101, and guides the water in the cooking chamber downward from the opening 101a in the rear portion of the bottom wall of the housing 101. An internal drain pipe (not shown) is provided. An elbow pipe 104 is attached to the outlet end of the drain pipe in the housing, and a drain pipe 105 outside the housing for discharging water in the cooking chamber to the right of the housing 101 is attached to the outlet end of the elbow pipe 104. It is connected. Further, a tray drain pipe 106 for discharging condensed water received by the tray 103 through the elbow pipe 104 through the housing drain pipe 105 is connected between the tray 103 and the elbow pipe 104.

JP 2011-027274 A

  The heating cooker 100 shown in FIG. 7 described above is configured to discharge the water in the cooking chamber to the right of the housing 101. Depending on the installation location of the heating cooker 100, it may be required to discharge the water in the cooking chamber to the left of the housing 101. The elbow pipe 104 of the cooking device 100 is different in the length of the first connection part 104a connected to the drain pipe in the housing and the second connection part 104b connected to the drain pipe 105 outside the housing, A tray drain pipe connection portion 104c connected to the pipe 106 extends obliquely forward to the right.

  For this reason, even when the elbow pipe 104 is rotated 90 degrees counterclockwise when draining the waste water in the cooking chamber to the left of the housing 101, the lower end of the elbow pipe 104 hits the grounding surface, and the second connecting portion 104b. May not be connected to the drain pipe in the housing. Moreover, if the leg part 107 of the housing 101 is lengthened, the second connection part 104b can be connected to the drain pipe in the housing, and the connection port of the first connection part 104a can be directed leftward, but the tray drain pipe connection part 104c. Is directed obliquely upward, and the tray drain pipe 106 cannot be connected.

  In addition, the drainage drain pipe 106 connects a plurality of pipe members and is attached to the bottom wall of the housing by screws using mounting brackets such as mounting brackets. There is a problem that the number of work steps required is high and the cost is high. Further, a trap portion 106a that is curved downwardly in a U-shape is provided on the tray drain pipe 106, and air containing the odor of food led from the cooking chamber to the drain pipe in the housing is removed from the elbow pipe 104 by the water stored in the trap section 106a. I try to prevent it from flowing into the saucer. However, if the trap portion 106a is not properly attached so as to bend downward, the odor of the food may flow to the tray. The present invention aims to solve the above-described problems, and in particular, a tray drain pipe is connected to a drain elbow connected to a drain pipe in a housing that is led out from the cooking chamber, and water in the cooking chamber and condensed water in the tray are collected. An object of the present invention is to provide a cooking device that can select the direction of drainage of the drainage elbow to the left or right when discharging through a common drainage path.

  In order to solve the above-described problems, the present invention includes a housing having a cooking chamber for cooking foods and having legs of a predetermined height at the bottom, and a front opening of the cooking chamber provided on the front surface of the housing. A door that can be opened and closed, a tray that is provided at the lower front of the housing and receives the condensed water dripping from the door, and water in the cooking chamber that is led from the bottom of the cooking chamber to the opening formed in the rear of the bottom wall of the housing. A drain pipe in the housing that leads downward from the opening, a drain elbow that is connected to the outlet end of the drain pipe in the housing and has a outlet in one side of the housing, and is connected to the drain elbow in the cooking chamber. A drain pipe outside the housing for discharging water to one side of the housing, and a drain pipe for draining condensed water received by the tray connected to the tray and the drain elbow through the drain elbow through the drain pipe outside the housing With In the heating cooker, the drain elbow is connected to the outlet end portion of the drain pipe in the housing and extends downward in the vertical direction, and extends from the lower end portion of the first connection portion to one side of the housing. A second connection part having a central axis in a plane including the central axis of the first connection part and having the same diameter and the same length as the first connection part; a first connection; And a tray drain pipe connection portion having a center axis perpendicular to the plane at a position where the center axis line of the second connection portion intersects the center axis line of the second connection portion, and is rotated around the center axis line of the tray drain pipe connection portion Thus, the second connecting portion can be connected to the lead-out end portion of the drain pipe in the housing, and the first connecting portion can be connected to the drain pipe outside the housing so as to face the other side of the housing. Is to provide a cooker

  In the heating cooker configured as described above, the drain elbow is connected to the lead-out end of the drain pipe in the housing and extends downward in the vertical direction, and from the lower end of the first connection to the housing. A drain pipe outside the housing is connected to the tip extending in one side direction, and has a central axis on a plane including the central axis of the first connection part, and has the same diameter and the same length as the first connection part. A connection portion, and a tray drain pipe connection portion having a central axis perpendicular to the plane at a position where the center axis line of the first connection portion and the center axis line of the second connection portion intersect, By rotating around the central axis, the second connecting part can be connected to the lead-out end of the drain pipe inside the housing, and the first connecting part can be connected to the drain pipe outside the housing so that it faces the other side of the housing. As a result, the drain pipe outside the housing In either direction of the right can now be selectively connected.

  In the heating cooker configured as described above, the angle between the central axis of the first connecting portion and the central axis of the second connecting portion is larger than 90 °, preferably in the range of 91 ° to 100 °, Preferably, when the range is 92 ° to 95 °, the outlet of the drain pipe outside the housing connected to the first connection portion or the second connection portion can be inclined so that the outlet is on the lower side. It is possible to prevent the drainage from remaining. In particular, when the angle between the central axis of the first connecting portion and the central axis of the second connecting portion is in the range of 91 ° to 100 °, and further in the range of 92 ° to 95 °, the leg portion of the housing is more than necessary. It can be made to incline so that the outlet of the drain pipe outside the housing is on the lower side.

  In the heating cooker configured as described above, the tray drain pipe is composed of a single pipe member that is inclined downwardly from the tray toward the drain elbow, and the bottom wall of the housing has an upper side of the tray drain pipe. A slit in which the wide portion and the narrow portion are continuous in the longitudinal direction is formed at a position, and an upright portion extending from the narrow portion of the slit to the upper side of the bottom wall of the housing at the middle portion in the longitudinal direction of the tray drain pipe, An upper hook comprising an upper surface abutting portion extending in a horizontal direction from the upper end portion of the upright portion and abutting against an upper surface of the bottom wall of the housing, and an upper surface abutting portion at a position where the upper hook is provided or close thereto A lower hook having a lower surface abutting portion that extends horizontally below the thickness of the bottom wall and abuts the lower surface of the bottom wall of the housing, and the upper surface abutting portion of the upper hook is the upper surface of the bottom wall Can abut against the lower hook Insert the upper hook contact part of the upper hook into the housing from the wide part of the slit so that the contact part can come into contact with the lower surface of the bottom wall, and move the rising part of the upper hook to the narrow part of the slit. By doing so, it is preferable that the tray drain pipe is attached to the bottom wall of the housing in an inclined posture. In this way, when the tray drain pipe is connected to the tray and the drain elbow, the upper middle portion of the tray drain pipe is in contact with the upper surface of the upper hook and the lower hook. The lower surface abutting portion abuts on the bottom wall lower surface, so that the vertical movement is restricted, and the inclined posture inclined downward as it goes from the tray to the drainage elbow is reliably maintained. In addition, since the upper surface abutting portion of the upper hook is inserted into the housing from the wide portion of the slit and the rising portion of the upper hook is simply slid to the narrow portion of the slit, the workability of mounting the tray drain pipe is improved. Improved.

  In the heating cooker configured as described above, a U-shaped trap portion curved downward in the radial direction opposite to the position where the upper and lower hooks are provided in the longitudinal middle portion of the tray drain pipe When the U-shaped trap portion is integrally formed, the U-shaped trap portion is necessarily disposed below the other pipe portions due to the positional relationship with the upper and lower hooks, and the mounting position of the U-shaped trap portion is determined. I was able to be accurate.

  In the cooking device configured as described above, the elbow connection portion of the drainage drain pipe connected to the drainage drainage pipe connection portion of the drainage elbow with the tray drainage pipe attached to the bottom wall by the upper hook and the lower hook Is provided concentrically with the drainage pipe connection part, when the direction of the drainage outlet of the drainage elbow is changed, the first and second connection parts of the drainage elbow are connected from the connection pipe inside the housing and the drain pipe outside the housing. Remove, rotate the drain elbow around the center axis of the elbow connection part of the drainage drain pipe, and again connect the second and first connection parts of the drain elbow to the connection pipe inside the housing and the drain pipe outside the housing, The workability of changing the direction of drainage has been improved.

  In the cooking device configured as described above, when a box-shaped base member having an open lower side with electrical components provided on the upper surface of the bottom wall of the housing, a slit is provided on the lower side of the base member. In this way, it is possible to prevent dust or pests from entering the housing from the slit using existing parts.

It is the schematic of one Embodiment of the heating cooker of this invention. It is the perspective view which looked at one embodiment of the cooking-by-heating machine of the present invention from the slanting lower side. It is a side view of the state which removed the left side wall of FIG. It is the perspective view seen from the diagonal upper side which shows a housing bottom wall and a base member. It is (a) perspective view of a drainage elbow, (b) It is a front view when connecting a 1st connection part to a drain pipe in a housing, (c) When connecting a 2nd connection part to a drain pipe in a housing It is a front view. It is (a) top view of a saucer drain pipe, (b) It is a front view, (c) It is a right view. It is the perspective view seen from the diagonal lower side of the conventional heating cooker door.

  Hereinafter, an embodiment of a heating cooker of the present invention will be described with reference to the accompanying drawings. As shown in FIGS. 1 to 3, the heating cooker 10 includes a cooking chamber 12 that cooks food in portions other than the left side in the housing 11, and a cooking chamber 12 in the machine room on the left side in the housing 11. A steam generator 13 for supplying steam is provided. A heater 14 that heats the interior of the cooking chamber 12 and a fan 15 that circulates the air in the chamber are provided in the cooking chamber 12. As shown in FIG. 2, a door 16 that closes the front opening of the cooking cabinet 12 is provided on the front surface of the housing 11 so as to be openable and closable. A receiving tray 17 for receiving condensed water adhering to the door 16 is provided below the door 16 at the lower front portion of the housing 11. Legs 18 are provided at the four corners of the bottom of the housing 11, and the leg 18 separates the lower surface of the bottom wall of the housing 11 from the ground plane at a predetermined height.

  As shown in FIG. 4, a base member 19 is provided on the upper surface of the bottom wall of the housing 11 at a substantially intermediate portion in the left-right direction and slightly in front of the central portion in the front-rear direction. The base member 19 is a rectangular parallelepiped box-shaped member having an opening on the lower side, and a large number of electrical components are attached to the upper surface of the base member 19. An opening 11a is formed in the rear wall of the left side of the bottom wall of the housing 11, and the opening 11a projects a drain pipe portion 21 of a drain tank 20 constituting a drain pipe in the housing to be described later to the outside of the housing 11. Yes. In the bottom wall of the housing 11, a slit 11 b extending in the longitudinal direction of the tray drain pipe 40 is formed at an upper position of an intermediate portion in the longitudinal direction of the tray drain pipe 40 described later. The slit 11b includes a wide portion 11c at the front portion in the longitudinal direction and a narrow portion 11d formed continuously on the rear side of the wide portion 11c. The slit 11b is formed at a position where the base member 19 of the housing 11 is provided.

  As shown in FIG. 3, a drainage tank 20 is provided at the rear of the machine room on the left side in the housing 11, and the drainage tank 20 uses the drainage of the cooking chamber 12 and the steam generator 13 as a common drainage. It is intended to be discharged as a route. A drain pipe portion 21 extending downward is integrally formed at the bottom of the drain tank 20, and the drain pipe portion 21 extends downward from an opening 11 a formed at the left side of the rear portion of the bottom wall of the housing 11. Yes. A steam generator 13 is erected on the upper side of the drainage tank 20. The steam generation container 13a of the steam generator 13 is connected to the drainage tank 20 by a connection pipe 13b. When the valve 13c provided in the connection pipe 13b is opened, the water in the steam generation container 13a is discharged to the drainage tank 20. . The drain tank 20 is connected to an outside drain pipe 22 led out from the bottom of the cooking cabinet 12. The in-housing drain pipe described in the claims of the present application is mainly composed of an outside drain pipe 22, a drain tank 20 and a drain pipe section 21, and the water in the cooking chamber 12 is supplied to the housing 11 by these 22, 20 and 21. It is made to guide below from the opening 11a.

  As shown in FIGS. 2 and 3, a drain elbow 30 is connected to the drain pipe portion 21 of the drain tank 20. The drainage elbow 30 is for guiding the drainage led downward from the opening 11a at the rear part of the bottom wall of the housing 11 by the drain pipe in the housing in one direction of the housing 11 (rightward in FIG. 2). As shown in FIGS. 2, 3, and 5, the drain elbow 30 is connected to the drain pipe portion 21 (the lead-out end portion of the drain pipe in the housing) of the drain tank 20 and extends downward in the vertical direction. And a second connection portion 32 extending rightward (one side direction) from the lower end portion of the first connection portion 31 and a tray drain pipe connection portion 33 connected to a tray drain pipe 40 described later.

  The 1st connection part 31 is extended to the position a little higher than the mounting surface in which the cooking stand etc. of the kitchen were mounted. A housing outer drain pipe 23 is connected to the second connection portion 32, and the housing outer drain pipe 23 extends rightward of the housing 11. The housing outer drain pipe 23 is connected from the right side of the housing 11 to the drain outlet of the installation place directly or via another pipe member. As shown in FIG. 5, the second connection portion 32 has a central axis C2 on a plane P including the central axis C1 of the first connection portion 31, and the second connection portion 32 has the same diameter as the first connection portion 31. It is the same length. The angle between the central axis C1 of the first connection portion 31 and the central axis C2 of the second connection portion 32 is 93 ° as an angle larger than 90 °, and the outlet port of the second connection portion 32 faces downward. So that it is a little inclined.

  As shown in FIGS. 2 and 5, the drainage pipe connecting portion 33 is configured so that the center axis C1 of the first connecting portion 31 and the center axis C2 of the second connecting portion 32 intersect at both the center axis lines C1, C1. It has a central axis C3 orthogonal to the plane P including C2. In this embodiment, the central axis C1 of the first connection portion 31 extends in the vertical direction, and the central axis C2 of the second connection portion 32 extends rightward without being inclined in the front-rear direction while being slightly inclined downward. The central axis C3 of the tray drain pipe connecting portion 33 extends in the front-rear direction without tilting in the left-right and vertical directions. The tray drain pipe connection portion 33 has a smaller diameter and a shorter length than the first and second connection portions 31 and 32.

  The tray drain pipe 40 is a drain pipe for guiding the condensed water of the door 16 received by the tray 17 to the drain pipe 23 outside the housing through the drain elbow 30. The tray drain pipe 40 is a single pipe member made of a hard resin member that is inclined downward from the tray 17 toward the drain elbow 30. In the tray drain pipe 40, a tray connecting portion 41 that is an introduction end is connected to the connection portion 17 a of the tray 17, and an elbow connecting portion 42 that is a lead-out end is connected to the tray drain pipe connecting portion 33 of the drain elbow 30. . The saucer connecting portion 41 is concentrically connected to the connecting portion 17 a of the saucer 17, and the elbow connecting portion 42 is concentrically connected to the saucer drain pipe connecting portion 33 of the drainage elbow 30. The connecting portion 17 a of the tray 17 is provided at a position higher than the tray drain pipe connecting portion 33 of the drainage elbow 30. A U-shaped trap portion 43 that is curved downward is integrally formed at an intermediate portion in the longitudinal direction of the tray drain pipe 40. The trap portion 43 stores water in a portion lower than the other portion of the tray drain pipe 40 and prevents exhaust gas guided from the cooking chamber 12 to the drain elbow 30 along with drainage from flowing backward from the elbow connection portion 42 to the tray connection portion 41. It has a function.

  An upper hook 44 and a lower hook 45 are integrally formed at an intermediate portion in the longitudinal direction of the tray drain pipe 40. The upper and lower hooks 44 and 45 are for attaching the tray drain pipe 40 to the bottom wall of the housing 11. The height position of the intermediate part of the saucer drain pipe 40 attached to the bottom wall of the housing 11 by the upper and lower hooks 44 and 45 is the height position between the saucer connection part 41 and the elbow connection part 42.

  The upper hook 44 extends in the horizontal direction from the narrow part 11d of the slit 11b to the upper side of the bottom wall of the housing 11 at the front position of the trap part 43, and extends in the horizontal direction at the upper end part of the standing part 44a. 11 and an upper surface contact portion 44b that contacts the upper surface of the bottom wall. The upper surface abutting portion 44b has a size that can pass through the wide portion 11c of the slit 11b and cannot pass through the narrow portion 11d of the slit 11b. Further, the lower hook 45 extends to a position immediately adjacent to the upper hook 44 in the longitudinal direction of the tray drain pipe 40 and immediately below the bottom wall of the housing 11 at a position immediately in front of the upper hook 44 of the tray drain pipe 40. The standing portion 45a includes a bottom surface abutting portion 45b that extends in a horizontal direction from the standing portion 45a and contacts the bottom surface of the bottom wall of the housing 11. The lower surface contact portion 45b is larger than the wide portion 11c of the slit 11b and cannot pass through. The distance between the lower surface contact portion 45 b of the lower hook 45 and the upper surface contact portion 44 b of the upper hook 44 is equal to the plate thickness of the bottom wall of the housing 11.

  When attaching the tray drain pipe 40, the upper surface contact portion 44 b of the upper hook 44 is inserted into the housing 11 from the wide portion 11 c of the slit 11 b on the bottom wall of the housing 11, and the upper surface contact portion 44 b of the upper hook 44 is inserted into the housing 11. The lower surface contact portion 45 b of the lower hook 45 is set to a height position capable of contacting the lower surface of the bottom wall of the housing 11. When the upright portion 44a of the upper hook 44 is slid from the wide portion 11c of the slit 11b to the narrow portion 11d, the upper surface contact portion 44b of the upper hook 44 contacts the upper surface of the bottom wall of the housing 11, and the lower hook The lower surface abutting portion 45 b of 45 abuts the lower surface of the bottom wall of the housing 11, and the tray drain pipe 40 is attached to the bottom wall of the housing 11 by these upper and lower hooks 44 and 45. With the tray drain pipe 40 attached to the bottom wall of the housing 11 by the upper and lower hooks 44, 45, the elbow connection portion 42 is panned to the drain elbow 30 while the tray drain pipe 40 is positioned along the slit 11b. The drainage pipe connection part 33 is fitted and attached, and the tray connection part 41 is fitted and attached to the connection part 17a of the tray 17.

  In the heating cooker 10 configured as described above, the drain elbow 30 is connected to the drain pipe portion 21 of the drain tank 20 that is the lead-out end portion of the drain pipe in the housing and extends downward in the vertical direction. 31 and a second connection portion 32 having a housing outer drain pipe 23 connected to a distal end portion extending in the right direction of the housing 11 from the lower end portion of the first connection portion 31. The second connection portion 32 has the center axis C2 on the plane P including the center axis C1 of the first connection portion 31, and has the same diameter and the same length as the first connection portion 31. Further, the drainage elbow 30 has a tray drain pipe connection portion 33 having a center axis C3 orthogonal to the plane P at a position where the center axis C1 of the first connection portion 31 and the center axis C2 of the second connection portion 32 intersect. It has. As shown in FIG. 2A and FIG. 5C, the second connection portion 32 is drained in the housing by rotating it approximately 90 ° counterclockwise about the central axis C3 of the tray drain pipe connection portion 33. It is possible to connect to the drain pipe portion 21 of the drain tank 20 which is a lead-out end of the pipe, and to connect to the drain pipe 23 outside the housing so that the first connection portion 31 faces the left direction of the housing. Thus, the drainage outlet of the drainage elbow 30 can be selectively directed rightward or leftward of the housing 11 in a state where the tray drainage pipe connection portion 33 of the drainage elbow 30 can be connected to the tray drainage pipe 40. The drainage of the cooking cabinet 12 and the dew condensation water of the door 16 can be selectively discharged rightward or leftward by the drain pipe 23 outside the housing connected to the drainage elbow 30. As a result, the drainage elbow 30 can be used as a common part even for rightward drainage or leftward drainage, and an increase in the number of parts due to the specifications of the drainage direction can be suppressed.

  In the heating cooker 10 described above, the angle between the central axis C1 of the first connection portion 31 of the drainage elbow 30 and the central axis C2 of the second connection portion 32 of the drainage elbow 30 is made larger than 90 °. As a result, the housing outer drain pipe 23 connected to the first connection part 31 or the second connection part 32 of the drain elbow 30 is inclined so that the outlet port faces downward, and the drainage remains in the housing outer drain pipe 23. Can be prevented. Further, when the angle between the central axis C1 of the first connection portion 31 and the central axis C2 of the second connection portion 32 is in the range of 91 ° to 100 °, the drainage remains in the drain pipe 23 outside the housing. In addition, it is not necessary to make the leg portion 18 of the housing 11 higher than necessary, and when it is in the range of 92 ° to 95 °, after preventing the drainage from remaining in the drain pipe 23 outside the housing, The housing outer drain pipe 23 can be attached in an inclined state at the height of the existing leg 18.

  In the heating cooker 10 described above, the tray drain pipe 40 is composed of a single pipe member that is inclined downward from the tray 17 toward the drain elbow 30. In the bottom wall of the housing 11, a slit 11 b is formed in the upper position of the tray drain pipe 40. The wide portion 11 c and the narrow portion 11 d are continuous in the longitudinal direction. An upper hook 44 that contacts the upper surface of the bottom wall of the housing 11 and a lower hook 45 that contacts the lower surface of the bottom wall are provided at an intermediate portion in the longitudinal direction of the tray drain pipe 40, and the upper and lower hooks 44, 45 serve to receive the tray. The middle part of the drain pipe 40 was attached to the bottom wall of the housing 11 in a state where movement in the vertical direction was restricted. Specifically, the upper hook 44 extends the upright portion 44a from the narrow portion 11d of the slit 11b to the upper side of the bottom wall of the housing 11 and extends in the horizontal direction from the upper end portion of the upright portion 44a. 44b is brought into contact with the upper surface of the bottom wall of the housing 11, and the lower hook 45 extends at a position just in front of the upper hook 44 to the lower side of the lower surface of the bottom wall of the housing 11 so as to extend. The bottom drainage pipe 40 was attached to the bottom wall of the housing 11 by abutting against the bottom wall bottom surface of the housing 11 by the bottom surface abutting portion 45 b extending in the horizontal direction from the upper end portion of the housing 11. By doing in this way, when the saucer drain pipe 40 is connected to the saucer 17 and the drain elbow 30, the middle part in the longitudinal direction of the saucer drain pipe 40 has the upper surface contact portion 44 b of the upper hook 44 on the upper surface of the bottom wall. When the lower surface contact portion 45b of the lower hook 45 contacts the lower surface of the bottom wall, movement in the vertical direction is restricted, and the tray drain pipe 40 is inclined so as to incline downward from the tray 17 toward the drain elbow 30. Is reliably maintained.

  Further, when the tray drain pipe 40 is attached to the bottom wall of the housing 11, the upper surface contact portion 44 b of the upper hook 44 can be brought into contact with the upper surface of the bottom wall of the housing 11 and the lower surface contact portion 45 b of the lower hook 45. Is inserted into the housing 11 through the wide portion 11c of the slit 11b so that the upright portion 44a of the upper hook 44 is inserted into the slit 11b. The tray drain pipe 40 was attached to the bottom wall of the housing 11 in an inclined posture by being moved to the narrow portion 11d. In this state, the tray connection part 41 of the tray drain pipe 40 is connected to the connection part 17 a of the tray 17, and the elbow connection part 42 is connected to the tray drain pipe connection part 33 of the drain elbow 30. Thus, the workability of the mounting work is improved as compared with the case where the mounting bracket or the like is used to fix the screw to the bottom wall of the housing 11.

  In addition, a U-shaped trap portion 43 that is curved downward in the radial direction opposite to the position where the upper and lower hooks 44 and 45 are provided is integrally formed in the middle portion of the tray drain pipe 40 in the longitudinal direction. did. The U-shaped trap portion 43 is always arranged below the other pipe portions due to the positional relationship between the upper and lower hooks 44 and 45, so that the U-shaped trap portion 43 is always curved downward. Thus, the tray drain pipe 40 could be attached to the bottom wall of the housing 11.

  In addition, the elbow connection portion 42 of the tray drain pipe 40 that is connected to the tray drain pipe connection portion 33 of the drain elbow 30 in a state where the tray drain pipe 40 is attached to the bottom wall of the housing 11 by the upper and lower hooks 44 and 45. It was provided concentrically with the tray drain pipe connection part 33. By doing so, when the direction of the drainage outlet of the drainage elbow 30 is changed, the first and second connection parts 31 and 32 of the drainage elbow 30 are connected to the drainage pipe part 21 of the drainage tank 20 and the drainage pipe outside the housing. 23, the drainage elbow 30 is rotated around the central axis of the elbow connection part 42 of the tray drainage pipe 40, and the first and second connection parts 31 and 32 are again connected to the drainage pipe 23 outside the housing and the drainage tank 20. It is only connected to the portion 21 and the workability of changing the direction of drainage is improved.

  In addition, the cooking device 10 is provided with a box-shaped base member 19 having an open lower side with an electrical component on the upper surface of the bottom wall of the housing 11, and a slit 11 b is provided on the lower side of the base member 19. By doing in this way, it can prevent that a dust or a pest enters into the housing 11 from the slit 11b using the existing components.

  In the above embodiment, the in-housing drain pipe is composed of the outside drain pipe 22, the drain tank 20 and the drain pipe section 21, and the water in the cooking chamber 12 is led to the drain tank 20 through the outside drain pipe 22. In addition to the drainage of the steam generator 13, the drainage pipe portion 21 of the drainage tank 20 guides downward from the opening 11 a of the housing 11. The present invention is not limited to this. For example, in the case where the steam generator 13 is not provided, the water in the cooking chamber 12 is directly led out to the opening 11 a of the housing 11 through the external drainage pipe 22. However, similar effects can be obtained even when this is done. Further, even if the heating cooker is configured not to drain from the cooking chamber 12 and to guide only the water of the steam generator 13 downward from the opening 11a of the housing 11 by the drain pipe in the housing, the same action as described above. An effect can be obtained.

  In the above embodiment, the lower hook 45 is provided immediately in front of the upper hook 44 as a position close to the upper hook 44. However, the present invention is not limited to this, for example, the wide portion 11c of the slit 11b. The same effect can be obtained even if the narrow portion 11d is replaced in the front-rear direction and the upper hook 44 and the lower hook 45 are replaced in the front-rear direction. In addition, even if the lower surface contact portion 45b of the lower hook 45 is provided on the standing portion 44a of the upper hook 44, the same effect can be obtained.

 DESCRIPTION OF SYMBOLS 10 ... Heat cooker, 11 ... Housing, 11a ... Opening part, 11b ... Slit, 11c ... Wide part, 11d ... Narrow part, 12 ... Cooking chamber, 16 ... Door, 17 ... Saucepan, 18 ... Leg part, 19 ... Base member, 23 ... Drain pipe outside housing, 30 ... Drain elbow, 31 ... First connection part, 32 ... Second connection part, 33 ... Dish drain pipe connection part, 40 ... Dish drain pipe, 43 ... Trap part, 44 ... Upper hook, 44a ... Standing portion, 44b ... Upper surface contact portion, 45 ... Lower hook, 45b ... Lower surface contact portion, C1 ... Central axis of first connection portion, C2 ... Central axis of second connection portion, C3 ... Center axis of the drainage pipe connection part.

Claims (6)

A housing with a cooking chamber for cooking food and having legs of a predetermined height at the bottom;
A door provided on the front surface of the housing so as to open and close the front opening of the cooking chamber;
A tray that is provided in the lower front portion of the housing and receives condensed water dripping from the door;
A drain pipe in the housing that is led out from the bottom of the cooking chamber to an opening formed in a rear portion of the bottom wall of the housing and guides the water in the cooking chamber downward from the opening;
A drainage elbow connected to the outlet end of the drain pipe in the housing and having a outlet in one side direction of the housing;
A drain pipe outside the housing connected to the drain elbow and discharging water in the cooking chamber in one direction of the housing;
In a cooking device comprising a tray drain pipe connected to the tray and the drain elbow and draining the condensed water received by the tray through the drain elbow through the drain pipe outside the housing,
The drainage elbow is connected to the lead-out end of the drain pipe in the housing and extends downward in the vertical direction;
The drain pipe outside the housing is connected to a distal end portion extending from the lower end portion of the first connection portion in one side direction of the housing, and has a central axis on a plane including the central axis of the first connection portion and the first connection portion. A second connecting portion having the same diameter and the same length as the one connecting portion;
A tray drain pipe connecting portion having a central axis perpendicular to the plane at a position where the central axis of the first connecting portion and the central axis of the second connecting portion intersect;
The second connecting portion can be connected to the lead-out end portion of the drain pipe in the housing by rotating about the central axis of the tray drain pipe connecting portion, and the first connecting portion faces the other side of the housing. Thus, the cooking device characterized in that it can be connected to the drain pipe outside the housing. The heating cooker according to claim 1, wherein
The angle between the central axis of the first connection part and the central axis of the second connection part is greater than 90 °, preferably in the range of 91 ° to 100 °, more preferably in the range of 92 ° to 95 °. A cooking device characterized by that. The heating cooker according to claim 1 or 2,
The tray drain pipe is composed of a single pipe member that is inclined downwardly from the tray toward the drain elbow.
The bottom wall of the housing is formed with a slit in which the wide portion and the narrow portion are continuous in the longitudinal direction at the upper position of the tray drain pipe,
In the middle part of the tray drain pipe in the longitudinal direction, an upright part extending from the narrow part of the slit to the upper side of the bottom wall of the housing, and extending horizontally from the upper end part of the upright part, An upper hook comprising an upper surface abutting portion that abuts against the upper surface of the wall;
A lower surface contact that extends in a horizontal direction below the thickness of the bottom wall from the upper surface contact portion and contacts the lower surface of the bottom wall of the housing at a position where the upper hook is provided or a position close thereto. A lower hook having a portion,
The upper surface contact portion of the upper hook is positioned so that the upper surface contact portion of the upper hook can contact the upper surface of the bottom wall and the lower surface contact portion of the lower hook can contact the lower surface of the bottom wall. The tray drain pipe is attached to the bottom wall of the housing in the inclined posture by inserting a portion from the wide portion of the slit into the housing and moving the rising portion of the upper hook to the narrow portion of the slit. A cooking device characterized by that. The cooking device according to claim 3,
A U-shaped trap portion that is curved downward in the radial direction opposite to the position where the upper and lower hooks are provided is integrally formed in the longitudinal middle portion of the tray drain pipe. To cook. The cooking device according to any one of claims 3 and 4,
In the state where the tray drain pipe is attached to the bottom wall by the upper hook and the lower hook, the elbow connection portion of the tray drain pipe connected to the tray drain pipe connection portion of the drain elbow is connected to the tray drain pipe A cooking device characterized by being provided concentrically with the section. In the heating cooker according to any one of claims 3 to 5,
A cooking device according to claim 1, wherein when a box-shaped base member having an open lower side provided with electrical components is provided on the upper surface of the bottom wall of the housing, the slit is provided on the lower side of the base member.

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