JPH0451289Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention is a link fitting attachment device for connecting the door of a mesh body that slides in the cooking chamber in conjunction with the door in a cooking appliance such as a toaster oven. Regarding.

Conventional technology This type of conventional link fitting mounting device was developed in 1983.
The one shown in Publication No. -6900 was common. That is, as shown in FIGS. 9 to 11, the mesh body 2 that slides back and forth in the cooking chamber 1 and the door 3 that opens and closes the front opening of the cooking chamber 1 are connected to the link fittings 4.
connected by. Specifically, the link fitting 4 is provided with a circular hole 6 and a fan-shaped elongated hole 7 formed on the outer periphery with the circular hole 6 as the center point on the arm 5 protruding from a part of the door 3. A shaft 8 is provided that projects laterally, and a stepped claw portion 9 is formed at the front end of the link fitting 4. Then, the stepped claw portion 9 of the link fitting 4 is inserted into the elongated hole 7 of the arm 5, and the shaft 8
are connected by fitting into the round hole 6.

Problems to be Solved by the Invention In such a conventional configuration, a separate shaft 8 must be attached to the link fitting 4, and the mesh body 2 must be configured to be detachable from inside the cooking chamber 1. In this case, the net body 2, link fittings 4, and door body 3
When the mesh body 2 is disassembled and re-set, the mesh body 2 and the link metal fittings 4, and the link metal fittings 4 and the door body 3 must be engaged with each other, making the assembly complicated.

The present invention solves these conventional problems by providing a door connecting link fitting mounting device that has a simple component structure and is easy to reassemble even when the net is removable. be.

Means for Solving the Problems In order to solve the above problems, the door connecting link fitting mounting device of the present invention includes a mesh body that slides back and forth in the cooking chamber, and a door that opens and closes the front opening of the cooking chamber. and a plate-shaped link fitting that interlocks the net when the door is opened and closed, and the door has a front plate with an opening in the center and an opening that substantially matches the opening of the front plate. It is constructed by sandwiching glass between both openings of the rear face plate, and is erected rearward on the opening side edge of the rear face plate, the tip is formed into a semicircular shape, and a round hole is formed at the center point of this circumference. and has a bent piece with a notch formed at an end closer to the opening edge from directly above or directly below the round hole in the radial direction, and the link fitting has
A stepped bent portion A that fits into the round hole extending forward from the tip at the front end, and a similar stepped bent portion B located at a predetermined distance from the stepped portion of the stepped bent portion A at the rear thereof. A notch is provided at the rear end to removably engage with the net body, and the length from the stepped part of the step-like bent part A to the rear end is set above the opening of the rear plate. The length from the edge or lower edge to the round hole is made smaller than the length from the edge or the lower edge to the round hole, and the stepped part of the stepped bent part A is fitted into the round circle, and the link fitting is rotated about the fitting part to When the end portion is positioned forward of the opening edge of the rear plate, the step-like bent portion B fits into the notch, and in this fitted state, the link fitting is inserted into the tip semicircle of the bent piece. The tip half-circumferential portion is configured to slidably engage with the step-like bent portion B when reversely rotated along the circumferential portion.

Function The present invention has the above-mentioned configuration, and when the glass is not attached to the door, the step-like bent part A of the link fitting is fitted into the round hole of the rear plate, and the rear end is inserted from the opening surface of the rear plate. Rotate the stepped bent portion B until it is located forward, and fit the stepped bent portion B into the notch of the bent piece.While in this fitted state, rotate the link fitting in the opposite direction to fit the stepped bent portion B into the bent piece. By slidably engaging the tip semicircumference of the link fitting and then attaching the glass to the door, the glass limits the rotation range of the rear end of the link fitting,
It is possible to prevent the stepped bent portion B from matching with the notch of the bent piece. Therefore, it is possible to prevent the link metal fittings from coming off the glass door, thereby making it possible to easily attach and detach the link fittings to the net body.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 8. 31 in Figures 2 and 3
is an outer casing and an inner casing 3 that forms a cooking chamber 32 inside.
It covers 3. A door 34 is pivotally mounted to open and close the front opening of the cooking chamber 32. Reference numeral 35 denotes a mesh body that slides back and forth within the cooking chamber 32, and is constructed by connecting both ends of a front wire rod 36 and a rear wire rod 37 with a plate material 38, as shown in FIG. A wavy wire 3 is provided between the front wire 36 and the rear wire 37.
9 is fixed. Further, a notch hole 38a is formed in the front part of the plate material 38. Furthermore, resin caps 40 are fitted to the ends of the front wire rod 36 and the rear wire rod 37 that protrude laterally from the plate material 38. The inner housing 33 in the cooking chamber 32 has a U-shaped rail 4.
1 to its both side walls, and the resin cap 4 of the net body 35 is placed over the rail 41 as shown in FIGS.
0 is placed and slid.

The door 34 has a box-shaped front plate 42 having an opening in the center, and a box-shaped rear plate 43 having an opening in the center that almost matches the opening of the front plate 42. A glass 44 is inserted between the two openings. It is configured by sandwiching it. 45
is a door handle, which is fixed to the upper front surface of the door 34.
A bent piece 46 that protrudes rearward is provided on the opening side of the rear plate 43, and this bent piece 46 has a circular hole 4 in the rear part.
6a, the tip of the rear part is formed with a semicircular outer peripheral part 46b with the round hole 46a as the center point, and a notch is provided at the end of the bent piece 46 closer to the root side from directly below the round hole 46a in the radial direction. 46c is provided.

Reference numeral 47 denotes a link fitting made of a band-shaped plate, which engages and connects the door 34 on one side (front end side) and the mesh body 35 on the other side (rear end side). Step-shaped bent part A47a extending forward at the tip
A similar step-like bent portion B47b is provided at a location a predetermined distance apart from the rear. The stepped bent portion A47a is rotatably fitted into the round hole 46a of the bent piece 46 as shown in FIG.
47b is configured to freely fit into the notch 46c as shown by the dashed line. Further, the rear end side that is connected to the net body 35 has a fan-shaped notch 4 as shown in FIG.
7c, the notch 47c, and the groove 47d that communicates with the outer circumference.
has been established.

To describe how to attach the mesh body 35, the door 34, and the link fittings 47 in the above configuration, first, before attaching the glass 44 to the door 34,
The stepped bent portion A47a of the link fitting 47 is inserted and fitted into the round hole 46a provided in 6. Next, the stepped bent portion B47b is engaged with the notch 46c, and the link metal fitting 47 described above is inserted into the stepped bent portion A4.
The distance from the stepped portion of 7a (rotating portion with the round hole 46a) to the tip of the rear end connected to the net body 35 is shorter than the distance from the round hole 46a of the bent piece 46 to the lower end of the opening of the rear plate 43. As shown by the dashed line in FIG.
47a is rotated forward about the fitting portion B47a, and when the tip of the rear end portion is located in front of the rear plate 43, the stepped bent portion B47b and the notch 46c are fitted.
Then, in this fitted state, the link metal fitting 47 is rotated in the reverse direction to slidably engage the stepped bent portion B47b with the outer peripheral portion 46c of the bent piece 46. Thereafter, the glass 44 is attached to the opening surface of the rear plate 43 and held together with the front plate 42. In this state, even if the tip of the rear end of the link fitting 47 is rotated forward, the glass 4
4, the step-like bent portion B47b does not coincide with the notch 46c of the bent piece 46, and therefore does not come off.

Additionally, rails 41 provided on both side walls of the inner casing 33
After sliding the mesh body 35 fitted forward,
The front part is lifted upward, and the notch 47c is fitted through the notch hole 38a provided in the plate 38 of the net body 35 through the groove 47d of the link fitting 47. Net body 3 after mating
5 is lowered, the net body 35 is placed on the rail 41.

Net body 3 connected with the above configuration and installation method
5. To explain the operation of the door 34 and the link metal fittings 47, by opening the door 34, the mesh body 35 connected by the link metal fittings 47 slides on the rail 41 and comes out to the front. Further, by closing the door 34, the net body 35 moves rearward via the link fittings 47.

In addition, when taking out the net 35, as shown in FIG. 5, open the door 34 and then lift the front part of the net 35.
comes off through the notch hole 38a of the net body 35 and the groove 47d. When the mesh body 35 is pulled forward after removing the link fittings 47, the mesh body 35 is removed from the inner casing 33.

Even when the mesh body 35 is removed, the link metal fittings 4
7, because of the glass 44, the stepped bent portion B47b of the link fitting 47 does not coincide with the notch 46c of the bent piece 47, so the link fitting 47 does not come off.

Effects of the Invention As is clear from the description of the above embodiments, the cooking device door connecting link fitting attachment device of the present invention has two step-like bent portions A and B at the front end of the link fitting, and the rear end When the door is positioned in front of the opening in the rear panel of the door, both stepped bent portions A and B fit into the bent pieces of the rear panel and are rotatably engaged. By fitting and attaching the glass to the rear plate and attaching the glass to the door, the glass can restrict the rotation of the link metal fittings, and the link metal fittings will not come off from the door. Therefore, connection with the net is easy, and even when the link fittings are attached and detached from the net, the link fittings are always attached to the door, so there is no possibility of losing the link fittings.
In addition, the link fittings do not require a conventional shaft, and can be processed at low cost, reducing component costs.

[Brief explanation of the drawing]

Figures 1 to 8 are drawings showing one embodiment of the invention, in which Figure 1 is a perspective view of the door and link fittings attached, Figure 2 is a perspective view of the appearance of the cooker, and Figure 3 is a perspective view of the cooking device. A cross-sectional view of the cooker, FIG. 4 is a perspective view showing the mesh body,
Figure 5 is a partial plan cross-sectional view when the door is open, showing how the door, mesh body, and link fittings are installed. Figure 6 is a partial plan cross-sectional view when the door is closed. Figure 7 is a partial plan cross-sectional view showing how the door and link fittings are attached. FIG. 8 is a partial sectional view showing the state of engagement between the bent piece and the link fitting. Figures 9 to 11 are drawings showing a conventional example, with Figure 9 being an enlarged perspective view of the main parts, Figure 10 being an exploded perspective view of the link metal fittings and the arm of the door, and Figure 11 showing the link metal fittings and the arm. FIG. 3 is a partial cross-sectional view for explaining a connection method. 32... Cooking room, 33... Inner casing, 35... Net body, 34... Door, 42... Front plate, 43... Rear plate, 44... Glass, 46... Bending piece, 46a...
...Round hole, 47...Link metal fitting, 47a...Step-like bending part A, 47b...Step-like bending part B.

Claims (1)

[Scope of utility model registration request] The door includes a mesh body that slides back and forth in the cooking chamber, a door that opens and closes the front opening of the cooking chamber, and a plate-shaped link fitting that interlocks the mesh body when the door is opened and closed. It is constructed by sandwiching glass between the front plate with an opening in the front plate and the rear plate with an opening that substantially corresponds to the opening in the front plate. The tip of the opening is formed into a semicircular shape, a round hole is provided at the center point of the circumference, and a notch is formed at the end closer to the opening edge from directly above or directly below the round hole in the radial direction. The link metal fitting has a stepped bent part A that fits into the round hole extending forward from the tip at the front end, and a stepped bent part A at the rear part of the linked metal fitting. A similar step-like bent portion B is provided at a distance from the step-like bent portion B, and a notch portion is provided at the rear end portion to removably engage with the mesh body, and the step portion of the step-like bent portion A is further disposed at the rear end portion. The length from the upper edge or the lower edge of the opening of the rear plate to the round hole is made smaller than the length from the opening upper edge or lower edge of the rear plate to the round hole, and the stepped part of the stepped bent part A is fitted into the round hole, and the fitting part is centered. When the link fitting is rotated so that the rear end portion is positioned forward of the opening edge of the rear plate, the stepped bent portion B fits into the notch and remains in this fitted state. A door of a cooking appliance, wherein when the link fitting is reversely rotated along the semicircular tip of the bent piece, the semicircular tip of the bent piece is slidably engaged with the stepped bent portion B. Connecting link fitting installation device.