JP2008267659A - Oven-toaster - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oven-toaster, including a removable door, so that the door can be simply cared to always keep clean. <P>SOLUTION: The right and left end parts of the door 8 respectively include a hook part 17 removably anchored in a hook hole 28 formed at the door side front end part of each arm 27. The lower end part on the opening and closing center side of the door 8 includes a hinge piece 18, a locking part 18a is formed on the hinge piece 18, and a door opening and closing shaft 32 is rotatably and axially slidably laid extending between the right and left opposite parts of a body panel 2 in a position near the opening part 7 of the body part 1. An insert metal fitting 33 attached and detached to and from the locking part 18a of the hinge piece 18 is integrally fixed to the door opening and closing shaft 32. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an oven toaster, and more particularly to a door attachment / detachment structure.

  In the conventional oven toaster, in order to make it easy to put food in and out of the oven inside the main body, a door provided at the opening on the front side of the main body and a food item placed in the oven It is configured so that the grill is slid in conjunction with the opening and closing of the door, and the grill is pulled by the arm when the door is opened, and from the oven cabinet to the front of the opening (See, for example, Patent Document 1).

  In particular, in order to ensure a large width at the opening of the main unit, the control panel with a knob for temperature control and timer is provided at the bottom of the door mounting position. However, even in such a case, there is an advantage that the grill can be pulled out from the inside of the oven cabinet to the front of the opening by providing the arm.

Japanese Utility Model Publication No. 54-67062

  By the way, the inside of the door facing the oven chamber of the main body is easily soiled due to scattering of oily components from the cooked food, etc.If the inside of the glass window provided on the door gets dirty, the cooking situation in the oven chamber is not known It becomes easy. Moreover, since it is unclean if it remains dirty, it is desired to remove the door to keep it clean.

  However, there is no conventional oven toaster that has a structure in which the door and the grill are connected by an arm. When it becomes dirty, it is difficult to care for it by removing it and washing it, which is inconvenient for maintaining cleanliness.

  The present invention has been made to solve the above-mentioned problems, and while maintaining the advantage of a configuration in which the door and the grill are connected by an arm, the door can be easily attached and detached so as to care for the door. An object is to provide an oven toaster that is simple and can always be kept clean.

  In order to achieve the above object, according to the present invention, a door for opening and closing an opening for opening and closing the food to and from the oven chamber is openable on the front side of the main body portion where the heater is disposed in the oven chamber. And an operation panel is provided below the mounting position of the door, and a grill net is disposed in the oven cabinet, and the grill net is a left and right facing portion of the main body panel constituting the oven cabinet. The oven toaster is provided so as to be slidable along the guide long holes formed in each, and the grill net and the door are connected via a pair of left and right arms. .

  That is, in the invention according to claim 1, the left and right end portions of the door are provided with hook portions that are detachably latched in the retaining holes formed in the front end portion of each arm on the door side. In addition, a hinge piece is provided at the lower end of the door on the opening / closing center side, and a locking portion is formed on the hinge piece, while the left and right sides of the main body panel are located at positions close to the opening of the main body portion. The door opening / closing shaft is installed between the opposing portions of the door so as to be rotatable and slidable in the axial direction, and the door opening / closing shaft is fixed with a fitting that is attached to and detached from the locking portion of the hinge piece. It is a feature.

  According to a second aspect of the present invention, in the configuration of the first aspect of the invention, the hinge piece is configured by integrally joining a front plate and a rear plate constituting the door. Yes.

  According to a third aspect of the present invention, in the configuration of the first or second aspect of the present invention, there is provided a spring for urging the insertion fitting in the insertion direction to the locking portion of the hinge piece, An operation lever is fixed to the door opening / closing shaft, and a horizontal plate is installed between the left and right opposing portions of the main body panel in parallel with the door opening / closing shaft, and the operation lever is engaged with the horizontal plate. An engaging portion is formed to stop and hold the insertion fitting in a state of being detached from the engaging portion of the hinge piece against the biasing force of the spring.

  In the invention according to claim 4, in the configuration of the invention according to any one of claims 1 to 3, the front end portion of each arm is provided on each of the left and right opposing portions of the main body panel. In addition to being inserted into the insertion hole formed on the front surface, a blocking portion that is blocked around the insertion hole is formed at a position ahead of the formation position of the locking hole. Yes.

  According to the first aspect of the present invention, since the door and the grill are basically connected by the arm, the advantage that the grill can be sufficiently pulled out from the oven chamber to the front of the opening is ensured. can do. In addition, since the door can be easily attached to and detached from the main body and the arm, it is possible to provide an oven toaster that can be easily maintained and can always be kept clean.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the hinge piece provided at the lower end portion of the door on the opening / closing center side integrates the front plate and the rear plate constituting the door. Strength is increased because it is formed by joining to the structure. For this reason, even when the door is repeatedly opened and closed and attached / detached, there is no fear of the hinge piece being damaged, and it can withstand long-term use.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, if the operation lever is locked to the locking portion of the crossing plate, the door resists the biasing force of the spring. The insertion fitting provided on the opening / closing shaft is held in a state of being detached from the locking portion of the hinge piece of the door. For this reason, the operation | work which removes a door from a main-body part can be performed with both hands, and the removal operation | work of a door becomes easy. On the other hand, when the operation lever is released from the locking portion of the crossover plate with the door facing the opening, the plug is moved by the spring biasing force. Since the door is automatically coupled to the main body by being inserted into the main body, the door can be easily connected to the main body.

  According to the invention described in claim 4, in addition to the effect of the invention described in any one of claims 1 to 3, when the door is removed, the damming portions at the tip of the arm are provided on the left and right sides of the main body panel. It is possible to prevent the arm from being intruded into the inside of the main body by being blocked around the insertion hole formed in each facing portion. For this reason, after the door is cleaned, the door hook can be easily fitted into the retaining hole of the arm to connect the door and the arm.

  FIG. 1 is a side view showing the whole of the oven toaster excluding the outer case in the embodiment of the present invention, and FIG. 2 is a perspective view showing the whole main body portion excluding the outer case and door of the oven toaster.

  The oven toaster of this embodiment includes a main body 1, and the main body 1 has an oven cabinet 3 formed therein by a main body panel 2 that surrounds the upper, lower, left, and right sides and the rear end. In the oven chamber 3, a grill net 4 is arranged, and a plurality (three in this example) of quartz that extend between the left and right opposing portions of the main body panel 2 above and below the grill net 4. A tube heater 5 is provided. Reference numeral 6 denotes an insulator for holding electricity to the quartz tube heater 5.

  In addition, an opening 7 is provided on the front side of the main body 1 for opening and closing the food to and from the oven cabinet 3, and a door 8 for opening and closing the opening 7 is attached to be freely opened and closed. An operation panel 9 is provided below the attachment position of the door 8 of the main body 1. The operation panel 9 is provided with a temperature adjustment knob 10 and a timer knob 11.

  As shown in FIGS. 3A and 3B, the door 8 is provided with a glass window 15 at the center thereof, and a handle 16 for opening and closing the door is attached above the glass window 15. Yes. In addition, a hook portion 17 having a protrusion 17a that is hooked on a tip of an arm 27 described later is provided on each of the left and right ends outside the glass window 15 of the door 8. A pair of left and right hinge pieces 18 project from the lower end portion, and a part of each hinge piece 18 is cut out in the lateral direction to form a locking portion 18a.

  In this embodiment, each hinge piece 18 is strengthened by integrally joining the front plate 8a and the rear plate 8b that constitute the door 8. For this reason, even when the door 8 is repeatedly opened and closed and attached / detached, the hinge pieces 18 are not likely to be damaged and can withstand long-term use. However, it is also possible to form each hinge piece 18 with only the front plate 8a or only the rear plate 8b.

  On the other hand, the grill 4 disposed in the oven cabinet 3 of the main body 1 includes a frame body 20 and a net body 21 placed on the frame body 20. A pair of front and rear guide pins 22 and 23 project outward. These guide pins 22 and 23 are inserted into guide long holes 24 formed in the left and right opposing portions of the main body panel 2, whereby the frame body 20 of the grill 4 is guided into the guide long holes. 24 is slidable along 24.

  In addition, one end of a tension spring 26 is hooked to a protruding portion of the left and right guide pins 22 from the guide long hole 24, and the other end of each tension spring 26 is attached to the main body panel 2. Thereby, the frame 20 of the grill 4 is urged toward the back side of the oven cabinet 3. Further, the rear end portions of the arms 27 each having a substantially square shape are attached to the protruding portions of the front left and right guide pins 23 from the elongated guide holes 24.

  As shown in FIG. 4, the front end of the arm 27 is connected to a dharma-shaped hook that is connected to a large and small hole that detachably hooks the protrusion 17 a of the hook portion 17 provided on the left and right of the door 8. A stop hole 28 is formed. In this case, the large hole portion 28a of the retaining hole 28 can be inserted into the protrusion 17a of the hook portion 17, and the small hole portion 28b is formed so as to prevent the protrusion 17a of the hook portion 17 from coming off. Further, a dam portion 29 bent in an L shape is formed at the front end portion of the arm 27 in front of the retaining hole 28. And the front end part of each arm 27 is inserted in the insertion hole 31 formed in the flange part of the front surface of the right-and-left opposing part of the main body panel 2, respectively, and said dam part 29 is more than this insertion hole 31. Located on the front side.

  Therefore, by hooking the hook portion 17 of the door 8 to the hooking hole 28 on the front side of the arm 27, the door 8 and the frame body 20 of the grill 4 are connected via the pair of left and right arms 27. Further, even when the door 8 is removed, the damming portion 29 at the tip of the arm 27 is dammed around the insertion hole 31 of the main body panel 2, so that the arm 27 enters the inside of the main body portion 1 unexpectedly. Is blocked.

  In this embodiment, the front end portion of the arm 27 is bent in an L shape to form the damming portion 29, but this is not limiting, and the damming portion 29 bulges from the front end portion of the arm 27. It may be shaped so as to be dammed around the insertion hole 31.

  4 to 7, the door opening / closing shaft 32 is rotatable and slidable in the axial direction between the left and right opposing portions of the main body panel 2 at a position close to the opening 7 of the main body 1 as shown in FIGS. It is built in. The door opening / closing shaft 32 is provided with plugs 33 which are attached to and detached from the locking portions 18a of the hinge pieces 18 of the door 8 on the left and right along the axial direction. The operation levers 34 are fixed to the intermediate positions. The insertion fitting 33 is configured by projecting an arcuate insertion piece 33 a from the attachment portion of the door opening / closing shaft 32. Further, the insertion metal fitting 33 is urged in a direction between the right insertion metal fitting 33 and the main body panel 2 as viewed from the front of the door opening and closing shaft 32 in a direction to insert the insertion metal fitting 33 into the locking portion 18 a of the hinge piece 18. A compression spring 35 is fitted.

  Further, a horizontal plate 36 for mounting the operation panel 9 is installed in parallel with the door opening / closing shaft 32 and between the left and right opposing portions of the main body panel 2, and an operation lever 34 is engaged with the horizontal plate 36. A locking hole 37 cut out in an L shape as a locking portion that holds the plug 33 in a state of being detached from the locking portion 18a of the hinge piece 18 against the biasing force of the compression spring 35. Is formed. The operation pin 34 a of the operation lever 34 is inserted into the locking hole 37.

The attaching / detaching operation of the door 8 in the oven toaster having the above configuration will be described.
When removing the door 8 from the main body 1, first, the protrusion 17 a of the hook portion 17 of the door 8 is positioned in the large hole portion 28 a of the latching hole 28 at the tip of the arm 27 with the door 8 substantially open. In this state, the arm 27 is bent and the hook portion 17 is detached from the retaining hole 28. At this time, the arm 27 is about to be pulled into the back side of the main body 1 by the spring force of the tension spring 26 together with the grill 4, but the dam portion 29 at the tip of the arm 27 is inserted into the insertion hole 31 of the main body panel 2. Since the dam is blocked at the periphery, the arm 27 is prevented from entering the inside of the main body 1.

  Next, the operation lever 34 is operated to move the door opening / closing shaft 32 along the axial direction, and the operation pin 34 a of the operation lever 34 is locked in a locking hole 37 formed in the lateral plate 36. Then, the insertion piece 33 a of the insertion fitting 33 is held in a state of being detached from the locking portion 18 a of the hinge piece 18 against the urging force of the compression spring 35, so that the door 8 can be removed from the main body 1. it can.

  On the other hand, when the door 8 is attached to the main body 1 after cleaning such as cleaning the door 8, the locking portion 18 a of the hinge piece 18 of the door 8 is connected to the side surface of the insertion piece 33 a of the fitting 33. In this state, the locking of the operating lever 34 to the locking hole 37 is released. Then, the insertion piece 33 a of the insertion fitting 33 is inserted into the locking portion 18 a of the hinge piece 18 by the spring force of the compression spring 35, and the door 8 is automatically connected to the main body 1.

  Subsequently, the left and right arms 27 are pulled out toward the front side, and the arms 27 are bent in a state where the projections 17a of the hook portion 17 of the door 8 are positioned in the large hole portions 28a of the latch holes 28 at the distal end portion of the arms 27. The hook portion 17 is inserted into the hooking hole 28, and the protrusion 17 a of the hook portion 17 is fitted into the small hole portion 28 b of the hooking hole 28 so as not to be detached from the arm 27. Thereby, the door 8 is connected to the main body 1 so as to be freely opened and closed, and is also connected to the arm 27. As described above, after the door 8 is cleaned, the door 8 can be easily connected to the main body 1 and the arm 27.

  When the door 8 is opened with the door 8 attached to the main body 1, the fire net 4 is moved to the near side against the spring force of the tension spring 26 by the arm 27 connected to the door 8 in conjunction with the door 8. It is pulled toward the front of the opening 7 from the inside of the oven cabinet 3.

  As described above, the oven toaster of this embodiment basically has a configuration in which the door 8 and the grill 4 are connected by the arm 27, so that the grill 4 is moved from the oven cabinet 3 to the front of the opening 7. Since the door 8 can be easily attached to and detached from the main body 1 and the arm 27 while securing the advantage that it can be pulled out, the door 8 can be easily maintained and can always be kept clean.

It is a side view which shows the whole except the exterior case of the oven toaster in embodiment of this invention. It is a perspective view which shows the whole main-body part except the exterior case and door of the oven toaster. It is a perspective view which shows the door of the oven toaster, The figure (a) has shown the front side of the door, and the figure (b) has shown the back side of the door, respectively. It is a disassembled perspective view which shows the state with which a door and the frame of a grill are connected with an arm. It is the front view which looked at the main-body part of the oven toaster from the front side. It is a perspective view which shows the attachment state of the insertion metal fitting with respect to a door opening / closing axis | shaft, an operation lever, and a compression spring. It is side surface sectional drawing which shows the state in which the hinge part of the door was attached to the door opening / closing axis | shaft via the insertion metal fitting.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body part 2 Main body panel 3 Oven box 4 Burning net 7 Opening part 8 Door 8a Front plate 8b Rear plate 9 Operation panel 17 Hook part 18 Hinge piece 18a Locking part 24 Guide long hole 27 Arm 28 Stop hole 29 Weir stop Part 31 Insertion hole 32 Door opening / closing shaft 33 Insertion fitting 34 Operation lever 35 Compression spring 36 Crossing plate 37 Locking hole (locking part)

Claims (4)

On the front side of the main body where the heater is arranged in the oven cabinet, a door that opens and closes an opening for opening and closing the food to and from the oven cabinet is attached in a freely openable and closable manner. An operation panel is provided, and a grill is arranged in the oven cabinet, and the grill is slid along guide long holes respectively formed on the left and right opposing portions of the main body panel constituting the oven cabinet. In the oven toaster that is movably provided and the grill and the door are connected via a pair of left and right arms,
The left and right end portions of the door are provided with hook portions that are detachably hooked to the retaining holes formed in the front end portions of the doors of the arms, A hinge piece is provided at the lower end, and a locking part is formed on the hinge piece. On the other hand, the door opening / closing shaft rotates between the left and right facing parts of the main body panel at a position close to the opening of the main body. An oven toaster, which is freely and slidable in the axial direction, and an insertion fitting which is attached to and detached from the locking portion of the hinge piece is fixed to the door opening and closing shaft.   The oven toaster according to claim 1, wherein the hinge piece is configured by integrally joining a front plate and a rear plate constituting the door.   A spring that urges the insertion fitting in a direction to be inserted into the locking portion of the hinge piece; and an operation lever is fixed to the door opening / closing axis, while the door opening / closing axis is parallel to the door opening / closing axis. A horizontal plate is installed between the left and right opposing portions of the main body panel, and the operating lever is locked to the horizontal plate to resist the biasing force of the spring from the locking portion of the hinge piece. The oven toaster according to claim 1 or 2, further comprising a locking portion that holds the detached state.   The end on the front side of each arm is inserted into the insertion hole formed on the front surface of each of the left and right opposing parts of the main body panel, and at the position on the front side of the position where the retaining hole is formed, The oven toaster according to any one of claims 1 to 3, wherein a blocking portion that is blocked around the insertion hole is formed.

Images