JPH0248738Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to the door structure of cooking appliances such as gas stoves, and has a simple structure in which a transparent plate is attached to the door frame without play, making assembly work easier and more accurate. In this way, processing costs can be reduced.

[Conventional technology]

As a conventional cooker door structure, a folded piece is formed around the front side of a back plate with a through hole, a transparent plate is placed in contact with the top and left and right sides of the folded piece, and the lower part of the transparent plate is attached to the back plate separately. There are types that are supported by fixed plates that are fixed with screws, and types that have a transparent plate sandwiched between the front door frame and back door frame, the lower side of the transparent plate is received by a holder on the back door frame, and both door frames are fixed with screws. be.

[The problem that the idea aims to solve]

All of the conventional door devices described above have complicated structures, require precision in manufacturing, are difficult to assemble, and are expensive due to the need for tapping for screw holes.

This idea solves the above-mentioned conventional disadvantages, and allows the transparent plate to be attached from the front of the door frame, and can be assembled accurately without rattling, making the structure of assembling the transparent plate to the door frame simple and easy to manufacture. This is intended to reduce processing costs.

[Means to solve the problem]

In order to achieve the above object, this invention is a door frame that has a peephole in the center and support plates on the back side of the lower part of both sides, and has a door frame that bulges diagonally toward the back side at the top of the door frame. A fitting portion with a W-shaped cross section is provided with a fitting opening that allows the upper end of the transparent plate to stand up after being inserted diagonally from the front by forming a bent portion, and the lower end of the transparent plate is provided on the front side of the lower side of the viewing window. A supporting part is provided, and a holding plate is provided that covers from the bottom end of the door frame to the front lower part of the transparent plate and has fixing pieces on both sides and the bottom, and the holding plate is fixed to the front lower part of the door frame. Then, the upper part of the transparent plate attached between the fitting part and the receiving part is pressed between the front end of the fitting part of the door frame and the door frame, and the lower part is pressed between the holding plate and the door frame and the above fastening piece is attached to the door frame. This relates to a technical means that is clamped and held by fixing to the locking holes on both sides and the lower side.

[Effect]

According to the above-mentioned door structure, the upper end of the transparent plate is inserted obliquely into the fitting part from the front, and then the transparent plate is turned to an upright position using the upper end as a fulcrum, and the transparent plate is inserted between the fitting part and the receiving part. When the lower part of the transparent plate is pressed against the front end of the fitting part and the upper part of the transparent plate is pressed against the front end of the fitting part, the upper part of the transparent plate is pressed against the front end of the fitting part. The door of the cooking appliance can be configured such that the upper part of the transparent plate is assembled without writhing by being pressed between the door frame and the door frame.

An embodiment of this invention will be described below based on the drawings.

〔Example〕

1 to 6, reference numeral 1 denotes a door frame in which a peephole 2 is formed, and the upper end of a transparent plate 3 such as a glass plate is inserted obliquely from the front side over the entire width of the upper part of the front side of the door frame 1 to make it stand up. A vertical cross-section W-shaped fitting part 4 having a bent part 4a bulging out to the side, a front end 4d, and a fitting opening 4c is formed, and a viewing window 2 is formed.
A receiving portion 5 for supporting the lower surface of the transparent plate 3 is bent toward the front at a substantially right angle on the lower side, and support plates 7 for supporting the body 6 of the gas stove are provided at the bottom of both sides of the door frame 1. Bend it to the back side at a right angle.
A support shaft 8 that pivots to the vessel body is located at the rear of the lower part of this support plate 7.
are integrally formed, and a locking hole 9 is bored in the upper part to which a locking piece 11 of a presser plate, which will be described later, is fixed. 4
a is a bent part where the rear surface of the upper end of the fitting part 4 is bulged out to have a substantially triangular cross section; the bent part 4a makes the width of the fitting part 4 larger at the upper end, and the front end 4d of the fitting part 4 is The interval a between the slanted surface 4a' of the bent portion 4a is made slightly wider than the thickness of the transparent plate 3, and the bent portion 4 is made so that the transparent plate 3 is inclined from the front of the fitting opening 4c.
The transparent plate 3 is inserted along the inclined surface 4a' of a, and the upper end of the transparent plate 3 is rotated within the fitting opening 4c to enable the transparent plate to stand up.
In addition, the distance b between the front end 4d of the fitting part 4 and the back plate of the door frame 1 is set to be slightly narrower than the thickness of the transparent plate 3 so that the transparent plate 3 can be held therebetween. Further, the support shaft 8 may not be formed integrally with the support plate 7, but may have a structure in which a bar is inserted through the support plate 7. Reference numeral 10 denotes a holding plate for holding down the lower part of the transparent plate 3, and fixing pieces 11, 11 extending rearward are integrally formed on both upper sides thereof, and fixing pieces 12, 12 extending rearward are integrally formed at appropriate positions on the lower part. Then, as shown in FIG. 6, the transparent plate 3 is slightly inclined from the front of the fitting part of the door frame, and its upper end is inserted into the fitting part 4 along the inclined surface 4a' of the bent part 4a. After that, rotate the transparent plate 3 in the fitting opening 4c to stand it up, place its lower end on the receiving part 5, and insert the transparent plate 3 between the fitting part 4 and the receiving part 5 of the door frame 1.
, press the presser plate 10 on the front side of the transparent plate 3 as shown by the arrow in FIG. By bending and fixing the fastening pieces 12, 12 to the lower surface of the door frame 1, and pressing the lower part of the transparent plate 3 against the door frame, a reaction force as shown by the arrow is generated forward at the upper part of the transparent plate 3. Once upon a time, the upper part of the transparent plate 3 is pressed against the front end 4d of the fitting part 4, and the space b between the front end 4d and the back side of the door frame 1 is held under pressure, so that the transparent plate 3 can be held under pressure without shaking vertically. . A wide fitting part 4b is provided at the part where the handle attachment frame 13 is attached to one side of the fitting part 4 of the door frame 1, and an elongated hole 14 for positioning the handle attachment frame 13 is bored in the lower front of the fitting part 4b. death,
The mounting frame 13 has a U-shaped cross section and has a mounting portion 15 protruding on the front surface thereof and a hole 16 therein, and a protruding piece 17 for inserting and locking into the fitting portion 4b is formed on the upper part of the mounting portion 15. A protrusion 18 that engages with the elongated hole 14 is formed. 19 is a handle, which is screwed into screw 2
0, the mounting frame 13 is screwed into the threaded hole 21 of the handle 19 through the hole 16 of the mounting portion 15 and fixed. The mounting frame 13 to which the handle 19 is fixed is fitted into the upper part of the transparent plate 3 from the side, and the upper end of the transparent plate 3 is fitted into the fitting part 4, and the projection piece 17 is fitted into the fitting part 4b and locked. After fitting the convex portion 18 into the elongated hole 14 of the door frame 1, the transparent plate 3 is erected and pressed against the door frame 1, and thereafter, the door frame 1 is mounted as described above. Here, the transparent plate 3 and the mounting frame 13 can be tilted so that they can be easily fitted into the fitting part 4 by the bent part 4a, and can be clamped and fixed without wobbling at the upper part in an upright state.

[Effect of idea]

According to this invention described above, a fitting opening is formed in the transparent plate fitting part at the top of the door frame with a bent part that bulges diagonally to the back side, so when installing the transparent plate, the transparent plate is attached to the door frame. It can be inserted diagonally from the front side along the slope of the fitting opening, and the upper end of this transparent plate is turned inside the fitting opening to stand up, and the lower part of the transparent plate provided between the fitting part and the receiving part is inserted into the door frame. By fixing the transparent plate in a pressed state with a presser plate attached to the lower part, a reaction force is applied to the upper part of the transparent plate, pushing the transparent plate against the front end of the fitting part and squeezing it inside the fitting part. To provide a useful product which can be accurately held at the top and bottom of a frame without causing rattling, and which can easily attach a transparent plate of a cooking appliance door to the door frame.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a gas stove implementing the door structure of this invention, Figure 2 is a perspective view of the door, Figure 3 is an exploded perspective view of the door, Figure 4 is a vertical sectional view of the door, and Figure 5. 6 is an enlarged sectional view of the handle attachment part, and FIG. 6 is an enlarged sectional view of the main part of the door. 1...Door frame, 2...Peephole, 3...Transparent plate,
4... Fitting part, 4a... Bending part, 4c... Fitting port, 5... Receiving part, 6... Container body, 7... Support plate,
9... Locking hole, 10... Holding plate, 11, 12...
Fastening piece.

Claims (1)

[Scope of utility model registration request] A door frame 1 has a peephole 2 in the center and support plates 7, 7 on the back side of the lower parts of both sides, and a bent part 4a that bulges diagonally toward the back side is formed in the upper part of the door frame 1. A fitting part 4 having a W-shaped cross section and a fitting opening 4c that can be made to stand up after the upper end of the transparent plate 3 is inserted obliquely from the front is provided, and the lower end of the transparent plate 3 is provided on the front side of the lower side of the viewing window 2. A supporting part 5 is provided, and a holding plate 10 is provided which covers from the lower end of the door frame 1 to the front lower part of the transparent plate 3 and has fastening pieces 11 and 12 on both sides and the bottom, respectively. door frame 1
The upper and lower parts of the transparent plate 3, which is fixed to the front lower part of the door frame 1 with fastening pieces 11 and 12 and installed between the fitting part 4 and the receiving part 5, are connected to the inside of the fitting part 4 of the door frame 1 and the holding plate 10, respectively. and door frame 1
A door structure for a cooker characterized by a structure in which a pressure is maintained between the doors.