JPH0937962A - Toaster oven - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In an oven toaster in which the front part of the grill is removable, even if the front part of the grill is removed and the door is opened, it is an object of the present invention to prevent problems due to the door being too open. SOLUTION: A pair of left and right frames 24 constituting a cooking chamber 22 are provided with arc-shaped elongated holes 24c in which a rear part of a grill 27 urged backward is inserted and which moves forward and backward, and an opening of the cooking chamber 22 is provided. The door 23 for opening and closing the portion is provided with a mesh fitting 26 for detachably holding the front part of the grill 27 and a stopper 28 having an engaging portion 28a at the tip thereof, and the stopper 28 is locked when the door 23 is opened. The part 28a is the frame 24
The above-mentioned problem is solved by contacting with.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an oven toaster.

[0002]

2. Description of the Related Art In recent years, oven toasters have become popular in households, but further improvements in usability are desired.

A conventional oven toaster will be described below. Conventional toaster ovens of this type are shown in Figs.
It had the structure shown in. That is, inside the cooking chamber 2 provided in the main body 1, there is provided the grill 4 which moves back and forth in conjunction with the opening and closing of the door 3. A shaft portion 4a is provided laterally at both ends on the rear side of the grill 4 to form a tube 5 made of heat-resistant resin.
After inserting, the flat portion 4b and the round hole 4c are formed by pressing. Reference numeral 6 denotes a pair of left and right frames that constitute the cooking chamber 2, and has arcuate elongated holes 6a, and the grill 4 is movably held by the elongated holes 6a. A front portion 4d of the grill 4 is detachably locked to a mesh fitting 7 attached to the door 3. The grill 4 is configured to be biased rearward by a spring 8 locked in the round hole 4c.

[0004]

However, in the above-mentioned conventional construction, when the front metal piece 7 for hooking the front portion 4d of the grill 4 is removed from the metal fitting 7, there is no means for restricting the rotation of the door 3 and the door 3 opens. There was a problem that it passed and hit the table.

Further, a resin tube 5 is inserted into the plated grill 4 to form a round hole 4c for retaining a spring 8 for urging the grill 4 in the rearward direction, and then press working is performed. There is. Therefore, the manufacturing process of the grill 4 becomes complicated,
In addition, the plating may have cracks in the pressing process and the grill 4 may be corroded.

Further, the front part 4d of the grill 4 can be removed from the mesh fitting 7 so that the grill 4 can be rotated, but it cannot be taken out from the cooking chamber 2 and the inside of the cooking chamber 2 is difficult to clean. there were. Further, when the grill 4 is contaminated due to the use of the product and needs to be replaced, it is necessary to disassemble the main body 1, the frame 6, the door 3 and the like, and there is a problem that repair and replacement work is troublesome.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to prevent the door from rotating too much even when the grill is removed from the mesh fittings so that the rotation of the door is restricted. . Another object is to simply attach the spring and prevent cracking of the plating of the grill. Another object is to easily remove the grill and make it easier to clean the grill and the cooking chamber and simplify the work of replacing the grill.

[0008]

In order to solve the above-mentioned problems, the invention according to claim 1 is directed to a grill which is biased rearward to a pair of left and right frames constituting a cooking chamber provided in the main body. The rear part is inserted and an arc-shaped long hole that moves back and forth is provided, and a door that opens and closes the opening of the cooking chamber is pivoted below the front of the cooking chamber, and the front part of the grill is detachably held on the door. The door has lock fittings that are inserted into the front slit holes of the frame and have a meshing portion and a locking portion at the tip, and the locking portion of the locking metal abuts the frame when the door is opened. It is configured as follows.

According to a second aspect of the invention, in addition to the invention according to the first aspect, the shape of the portion of the fastener that moves in the slit hole of the frame is centered on the center of the rotary shaft of the door. It is an arc shape.

In addition to the invention according to claim 1 or 2, the invention according to claim 3 is one in which the stopper and the mesh are integrally formed and attached to a door. Is.

The invention according to claim 4 is, in addition to the invention according to any one of claims 1 to 3, provided with a pair of lateral shaft portions at both ends of a rear portion of the grill, and the shaft portion. Attach a tube made of heat-resistant resin to the shaft, insert the shaft part into the arc-shaped long hole of the frame, attach a spring metal fitting having a plurality of locking holes to the shaft part, one locking hole of the spring metal fitting and the frame A spring is attached to the rear of the.

In addition to the invention according to any one of claims 1 to 4, the invention according to claim 5 provides a chain holding both ends to the door and the frame, and the door is over-opened by the chain. Is regulated.

The invention according to claim 6 is, in addition to the invention according to any one of claims 1 to 5, provided with a pair of left and right frames forming a cooking chamber with arc-shaped elongated holes to form a net. Both ends of the support rod are movably inserted back and forth and are urged backward by springs to lock the rear part of the grill on the net support rod and open / close the front part of the grill over the cooking chamber opening. It is detachably locked and retained by a mesh fitting provided on the door.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION According to the invention of claim 1,
Even if the door is opened with the front part of the grill screen removed from the metal fittings, the locking parts of the metal fittings attached to the door contact the frame and hold it open, so the door may not open too much. Absent.

According to the second aspect of the invention, in addition to the function of the first aspect of the invention, the shape of the stopper is a circular arc centered on the center of the pivot axis of the door, so that the frame is formed. The size of the slit hole provided in the is minimized.

According to the third aspect of the present invention, in addition to the effect of the first or second aspect of the present invention, the stopper and the mesh can be a single component and can be attached to the door at one time.

According to the invention described in claim 4, in addition to the effect of the invention described in claims 1 to 3, after the grill is plated, a plurality of locking holes are formed in the pair of rear shaft portions. Since a spring metal fitting having is attached and the spring is locked in one of the locking holes and biased in the backward direction, the plating is not destroyed.

According to the invention of claim 5, in addition to the effect of the invention of claims 1 to 4, even if the door is opened with the grill removed, the door is held by a chain,
Never open too much.

According to the invention of claim 6, in addition to the effect of the invention of claims 1 to 5, the rear part of the grill is removed from the net support rod, and the front part is removed from the metal fitting. The grill can be easily removed from the cooking chamber.

Various types of oven toasters capable of exhibiting the effects of the inventions described in the respective claims can be realized, and specific examples will be described below.

[0021]

【Example】

(Embodiment 1) Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings.

1 to 4, a cooking chamber 22 is provided inside the main body 21. The cooking chamber 22 has an opening at the front.
Reference numeral 3 is a door that opens and closes this opening. 24 is cooking room 2
2 is a pair of left and right frames forming part 2. Door 23
Is equipped with a door shaft 23a at the lower portion and is pivotally supported at the lower front end of a frame 24 that constitutes the cooking chamber 22. 26 is the door 23
Is a metal fitting attached to the front part 27 of the grill 27.
Hold a detachably.

Reference numeral 28 is a stopper, which is attached to the door 23. The door 23 has a stopper 28 and a frame 24.
It is assembled in a state in which it is inserted into the slit hole 24b provided in the front flange 24a. An engaging portion 28a is provided at the tip of the stopper 28 so that the engaging portion 28a contacts the flange 24a of the frame 24 when the door 23 is in the open state.

Further, the shape of the portion of the stopper 28 that moves within the slit hole 24b of the frame 24 is an arc centered on the center of the door shaft 23a. In addition, the stopper 2
8 is formed integrally with the mesh member 26 and is fixed to the door 23.

The frame 24 is formed with arc-shaped elongated holes 24c. After inserting the horizontal shaft portions 27b provided at both ends of the back side of the grill 27 into the elongated holes 24c, a tube made of heat-resistant resin is formed. 29 and a spring fitting 30 having a plurality of locking holes 30a are inserted into the shaft portion 27b, and a push-type snap ring 31 is inserted.
Stopped at. The spring 32 is locked to one of the locking holes 30a of the spring fitting 30 and the rear portion 24d of the frame 24 so that the grill 2
7 is biased backwards.

33 is an upper heater, 34 is a lower heater, 3
5 is a door handle and 36 is a leg. Next, the operation of the first embodiment will be described. The grilling net 27 is pulled by the biasing force of the spring 32 in the direction of closing the door 23 via the net fitting 26. When the door 23 is opened against the force of the spring 32, the weight of the door 23 becomes greater than the tension of the spring 32.
3 is opened. When the grill 27 is attached, the shaft portion 27b of the grill 27 is formed in the elongated hole 24c of the frame 24.
The door 23 stops at the front end of the door.

Even when the door 23 is opened while the front portion 27a of the grill 27 is removed from the mesh fitting 26, the stopper 28
Since the locking portion 28a of the door hits the flange 24a of the frame 24 and the opening of the door 23 is stopped and held at a predetermined position, the door 23 does not open too much and hit the table or the like.

Further, since the shape of the portion of the stopper 28 that moves within the slit hole 24b of the frame 24 is an arc shape centered on the center of the door shaft 23a, the size of the slit hole 24b can be minimized. Further, since the stopper fitting 28 is formed integrally with the mesh fitting 26, the workability of the parts is improved, and the work of fixing to the door 23 is easy.

The spring fitting 30 is inserted into the shaft portion 27b after the grill 27 is completed and plated, and the push-fit type retaining ring 3 is inserted.
Since it is attached with No. 1, the grill 27 is easy to make and the plating is not destroyed. Further, since the spring fitting 30 has a plurality of locking holes 30a, the shaft portion 2 of the grill 27 is
Since the spring 32 can be assembled without any alignment when inserting it into the 7b, workability is improved. (Second Embodiment) A second embodiment of the present invention will be described below with reference to the drawings.

5 to 7, a mesh support rod 37 is locked in an elongated hole 24c provided in the frame 24. The mesh support rod 37 is provided with a pair of protrusions 37a, and a washer 38, a heat-resistant resin tube 29, and a plurality of locking holes 3 are sequentially provided on the outside thereof.
A spring fitting 30 having 0a is inserted and stopped by a push-fit type snap ring 31.

One end of the spring 39 is stopped in one of the locking holes 30a of the spring fitting 30, and the other end is stopped by the rear portion 24d of the frame 24 to urge the mesh support rod 37 backward. Grilling net 4
Reference numeral 0 includes a mesh plate 41, and a substantially T-shaped notch groove 41a provided in the mesh plate 41 detachably engages with the mesh support rod 37. A front portion 40a of the grill 40 is detachably held by a mesh fitting 42.

Reference numeral 43 denotes a metal ball chain, both ends of which are attached to the door 23 and the frame 24. 43
The example is a ball chain, but a flexible chain may be used instead of the ball chain.

Next, the operation of the second embodiment will be described. Grilling net 4
When 0 is engaged and held by the mesh fitting 42 and the mesh support rod 37, the spring 39 biases the door 23 in the closing direction. When the door 23 is opened, the weight of the door 23 exceeds the force of the spring 39 and the door 23 is opened. When the mesh support rod 37 reaches the front end of the elongated hole 24c of the frame 24, the opening of the door is stopped and the open state is maintained.

The grill 40 includes a mesh fitting 42 and a mesh support rod 3.
It can be easily taken out from the cooking chamber 22 by disengaging it from the cooking chamber 22, and the main body 21 need not be disassembled.
It has become easier to clean, replace, and clean the inside of the cooking chamber 22. Further, even when the grill 23 is removed and the door 23 is opened, the door 23 is kept in a predetermined open state by the chain 43 and does not open too much and hit the table or the like.

[0035]

As described above, according to the first aspect of the invention, the rear portion of the grill urged in the rear direction is inserted into the pair of left and right frames forming the cooking chamber provided in the main body. An arcuate elongated hole that moves forward and backward is provided, a door that opens and closes the opening of the cooking chamber is pivotally supported below the front surface of the cooking chamber, and a mesh fitting and a tip end that detachably holds the front part of the grill are engaged. Since the doors are provided with stoppers that are inserted into the slit holes on the front surface of the frame, the stoppers of the stoppers are configured to abut the frame when the door is opened. , Even if the door is opened with the front part of the grill removed from the mesh fittings, the locking part of the metal fittings on the door abuts the frame to maintain the predetermined open state, and hold the door in the open state It has a door holding structure that allows the door to open too much That there is no.

In addition to the effect of the invention according to claim 1, the invention according to claim 2 has a shape of a portion of the stopper which moves in the slit hole of the frame with respect to the center of the rotary shaft of the door. The slit shape of the frame can be minimized by forming the arc shape as the center.
Further, in the invention according to claim 3, in addition to the effect of the invention according to claim 1 or 2, since the stopper and the mesh are integrally formed and attached to the door,
It becomes a single part, improving workability, and it can be attached to the door at one time, improving workability. Claim 4
In addition to the effects of the invention according to claims 1 to 3, the invention according to the description provides a pair of lateral shaft portions at both ends of the rear portion of the grill, and a heat resistant resin tube is attached to the shaft portion, The shaft part is inserted into the arc-shaped long hole of the frame, a spring metal fitting having a plurality of locking holes is attached to the shaft part, and a spring is attached to one locking hole of the spring metal fitting and the rear part of the frame. By energizing the mesh backward, the plating is not destroyed and the durability of the mesh is improved. In addition, since the spring fitting has a plurality of locking holes, it is not necessary to align the spring fitting when it is assembled into the grill, and the workability of assembly is improved. In addition to the effects of the invention according to claims 1 to 4, the invention according to claim 5 has a structure in which chains for holding both ends are provided on the door and the frame to restrict over-opening of the door, thereby making a grill. Even if the door is opened with the door removed, the chain holds the door, and the door is not opened too much because the predetermined open state is maintained. In addition, since the above effect can be obtained only by attaching the chain to the door and the frame, it is inexpensive and simple. In addition to the effects of the inventions according to claims 1 to 5, the invention according to claim 6 is provided with a pair of left and right arc-shaped oblong holes that constitute the cooking chamber, and both ends of the net support rod are moved forward and backward. It is movably inserted and biased backward by a spring, the rear part of the grill is detachably locked on the mesh support rod, and the front part of the grill is provided on the door for opening and closing the opening of the cooking chamber. With the configuration in which it is detachably locked and retained, the grill can be easily removed from the cooking chamber by removing the mesh fittings and the mesh support rods, and the grill can be cleaned and replaced without disassembling the main body and the cooking chamber. Cleaning became easier.

[Brief description of drawings]

FIG. 1 is a side sectional view of a main part of a toaster oven according to a first embodiment when a door is opened.

FIG. 2 is a side sectional view of the main part of the oven toaster when the door is closed.

FIG. 3 is a plan cross-sectional view of a main part of the oven toaster when the door is closed.

[Figure 4] Front view of the oven toaster

FIG. 5 is a side sectional view of a main part of the oven toaster according to the second embodiment when the door is opened.

FIG. 6 is a cross-sectional plan view of a main part of the oven toaster when the door is closed.

FIG. 7 is a side cross-sectional view of a main part of a mesh fitting part of a grill of the oven toaster.

FIG. 8 is a side sectional view of a main part of a conventional oven toaster when the door is closed.

FIG. 9 is a side sectional view of an essential part of the oven toaster when the front part of the grill is unlocked.

FIG. 10 is a plan sectional view of an essential part of the oven toaster when the door is closed.

[Explanation of Codes] 22 Cooking Room 23 Door 23a Door Shaft 24 Frame 24a (Frame) Flange 24b (Frame) Slit Hole 24c (Frame) Elongated Hole 24d (Frame) Rear 26,42 Net Metal Fitting 27,40 Grill Net 28 Stopper 28a Locking part 30 Spring metal fitting 30a Locking hole 31 Retaining ring 32 Spring 37 Net support rod 41 Net plate 43 Ball chain

Claims (6)

[Claims] 1. A pair of left and right frames forming a cooking chamber provided inside the main body are provided with arc-shaped elongated holes through which a rear portion of a grill urged in a backward direction is inserted and which moves back and forth, A door that opens and closes the opening of the cooking chamber is pivoted below the front of the chamber,
The metal fittings for detachably holding the front part of the grill and the metal fittings having locking parts at the tips to be inserted into the front slit holes of the frame are respectively provided on the doors in the previous period, and the metal fittings are provided when the door is opened. Oven toaster in which the locking part of is in contact with the frame. 2. The oven toaster according to claim 1, wherein the shape of the portion of the fastener that moves in the slit hole of the frame is arcuate about the center of the rotary shaft of the door. 3. The oven toaster according to claim 1 or 2, wherein the stopper and the net are integrally formed and attached to the door. 4. A pair of transverse shafts are provided at both ends of the rear part of the grill, a heat-resistant resin tube is attached to the shafts, and the shafts are inserted into arc-shaped elongated holes of a frame to form a plurality of shafts. The oven toaster according to any one of claims 1 to 3, wherein a spring fitting having a locking hole is attached to the shaft portion, and a spring is attached to one locking hole of the spring fitting and a rear portion of the frame. 5. The door and the frame are provided with a chain holding both ends, and the chain restricts the over-opening of the door.
Oven toaster described in any one of. 6. A pair of left and right frames forming a cooking chamber are provided with arc-shaped elongated holes, both ends of a net supporting rod are movably inserted in the front and rear direction, and a spring is biased rearward so that the rear part of the grill is The detachable lock on the mesh support rod, and the detachable lock of the front part of the grill on a metal fitting provided on a door for opening and closing the opening of the cooking chamber. The oven toaster described.