JP2590309Y2 - Heater door opening and closing device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention is grilled was written pairs see <br/> the gas table, relates door opening and closing device of the heating chamber such as a gas oven.

[0002]

2. Description of the Related Art In a grill, a gas oven, or the like incorporated in a gas table, a door of a heating cabinet is automatically pivoted in a one-sided manner in a vertical direction when a dish to be cooked is taken in and out of the heating cabinet. Conventionally, as a door opening / closing device of a heating cabinet to be opened / closed, for example, Japanese Utility Model Laid-Open No. 2-48709 (hereinafter referred to as Conventional Example 1) or Japanese Utility Model Laid-Open No. 1-100017 (hereinafter referred to as Conventional Example 2) is known.

[0003] In the prior art 1 described above, a water dish and an opening sp
It has a <br/> structure provided with upright an arcuate door opening rod diagonally backward upward to the distal end of the slide rod that works through the ring.

In addition, as shown in FIGS. 1 and 2 of the accompanying drawings, the prior art example 2 has an arm and a water tray fixed at a predetermined distance inside a door body. The handle is provided in association with a cam linked to the handle, and the arm is pushed to swing the door body to the open position as the cam moves outward in conjunction with the handle.

[0005]

In the prior art 1 of the above prior art , when the water tray is pulled out, the grill door is placed on the water tray.
Slide rod and door open rod
To advance forward from the delivery state, use a door open rod
Therefore, it is pushed up and pivots counterclockwise in the figure to open
Slide rod and door open rod open
When pushed backward from the door, the door open rod retreats
As shown in FIG. Soshi
Slide rod and door open rod
Spring is always urged forward.
So to release the locking action of the stop spring
Slide rod and door open simply by pulling the handle forward
The rod, handle and water tray are pushed forward and the grill door is opened.
be opened. In addition, water tray and slide rod and door opener
The rod is a handle with the tip of the slide rod integrated with the water tray.
Pressed by the opening spring
The water tray, slide rod and door open lock
The door moves forward and backward to open and close the grill door.
No.

Accordingly, since the door opening rod which stands up arcuately upward at Gurirudoa opening is issued can pull up in front of the grill body with the water tray (first sloppy
Irradiation), for example, fear that at the time of the return, etc. of the food such as fish, it is difficult to do work such as returned by the door oven rod is getting in the way, moreover, the burns hand or the like is touching the door open rod poor usability Upon also including the actual use, also the problem that there is no certainty in actuation <br/> Ah is, also, the water tray and the slide rod and the door open b
There is no coupling means in the pad, so the water dish and the
There is also a problem that it is not possible to always link the rear door reliably.
Was .

Further, the conventional example 2, the cam when out came water inlet Sarahiki is brought to move outwardly in conjunction with the handle pushed outward tip portion of the arm in the cam, which integrated the door body the Press out to the open position via the arm, when the water-ingress dish storage is a time out can water-ingress Sarahiki one in which close through the arm the door body in the reverse action.

Therefore, since the door body is opened and closed only by the contact operation in which the arm makes a circular movement with respect to the horizontal movement of the cam, the friction between the cam and the arm is combined with the holding operation of the door body in the open position by the arm. Not only was the resistance significantly increased, resulting in a problem in operability, but there was also a problem that the operation was not reliable.

[0009] In view of the above-mentioned problems of the prior art, the applicant of the present invention has opened and closed the door of the heating chamber lightly and securely as the cooking object tray is taken in and out of the heating chamber, thereby improving usability. In addition, a device for opening and closing a door of a heating cabinet which has excellent operability has been filed (Japanese Patent Application No. 3-9).
No. 9386 and Japanese Utility Model Application No. 4-30395).

In any of the above-mentioned inventions, since the base end connecting portion of the connecting rod is only in contact with the back of the receiving tray, the connecting rod and door when the grill or the like is not used for a long period of time. If the connecting rod sticks to the slide hole, etc. and becomes difficult to separate due to oil stains during use, the sticking will overcome the force of the firing and only the tray will be pulled.
The door may be opened and the door may not open. This is a conventional example 1.
But they are the same .

[0011] This invention is based on the invention according to the earlier application or the conventional invention.
In view of the problem of Example 1 , the connecting rod and the tray are integrally connected with each other in a forward stroke when the tray is drawn out with a constant coupling force, so that sticking of the connecting rod and the like can be easily released, and the interlocking of the tray and the door can be performed. It is an object of the present invention to provide a door opening / closing device for a heating chamber that can always be reliably performed.

[0012]

In order to achieve the above object, a door opening / closing device for a heating chamber according to the present invention is, for example, as shown in FIGS.
Of the object to be cooked , which slides in and out of the heating chamber A , is received by the door 1 at the distal end side and is received at the proximal end side.
The plate 2 is brought into contact with the rear portion 2a of the plate 2, and
Is the door 1 fully closed via the connecting rod 3 biased in the pull-out direction?
Forward stroke a when the tray 2 is fully pulled out
And the door 1 is fully retracted from the fully opened position.
In the door opening and closing device of the heating chamber which is provided so that only interlocked in stroke a, the connecting rod 3 and saucer 2 are saucer 2
Forward stroke a at the time of pulling out and retraction stroke at the end of storage
When the drawer 2 is pulled out
After the forward stroke in the above, the connection is released by the pull- out force of the tray 2 and only the tray 2 can be further pulled out.
The main feature of the present invention is to provide a coupling means having a constant attraction force or a bite force .

As the connecting means B, a magnet 5 having a constant attracting force is provided at a contact portion between the connecting rod 3 and the tray 2, or the connecting rod 3 has a constant holding force and is fitted and disengaged. It is also characterized in that a jaw 6 made of a leaf spring or the like is provided.

[0014]

[Action] door opening and closing device of the heating chamber of this invention, since the structure described above, when the out come pull the pan 2 to the front of the food accommodated in the heating chamber A, drawers certain initial In the forward stroke a, the connecting rod 3 and the tray 2 are
The steps are integrated together with a constant suction force or bite force , and combined with the urging force of the sprung 4 to move lightly and securely
Then, the door 1 is fully opened from the fully closed state by the connecting rod 3 .

Therefore, even if the connecting rod 3 or the like is stuck due to oil stains or the like, the door 1 can always be reliably opened by overcoming the sticking by the addition of the connecting force by the connecting means .

Further, the tray 2 is pulled only by the forward stroke a.
If issued by the door 1 is ing fully opened from the fully closed, since the front movement of the connecting rod 3 is restricted,-out solution binding of communication rod 3 and pan 2 by manual Pull out force subsequent pan 2 After that it is issued can pull only saucer 2 alone.

Next, when the pan 2 is stored in the heating chamber A, when the pan 2 reaches the retreat stroke a at the end of storage ,
The receiving tray 2 is held at the position by the urging force of the spring 4 and is integrally connected to the waiting connecting rod 3 by a connecting means . Thereafter, the receiving tray 2 and the connecting rod 3 are retracted integrally and the door 1 is moved by the connecting rod 3. From fully open to fully closed
You to. In the door opening / closing device for a heating chamber according to claims 2 and 3,
Magnet 5 or jaw 6 made of a leaf spring or the like as coupling means
To connect the connecting rod 3 and the tray 2 by the attraction force or the holding force.
In combination, the above effects are obtained .

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a door opening / closing device for a heating chamber according to the present invention.

The embodiment is applied to a grill incorporated in a gas table. In FIGS. 1 to 3, reference numeral 1 denotes a door of a heating cabinet, that is, a grill door for opening and closing a front opening 7 of a grill cabinet A. The front opening 7 of the cabinet A is rotatably pivoted on a support shaft 8 so as to be able to open and close in a vertically open manner with the support shaft 8 as a fulcrum. The handle 9 of the grill plate 2 can be reliably opened and closed.

Reference numeral 2 denotes a pan for receiving the object to be cooked, that is, a grill pan, and a guide rail 1 provided on the bottom wall 10 of the grill storage A.
1 linearly slide along, Technology of out from storage and grill box A into the grill box A is provided to allow easily from the front opening 7 of the grill box A.

A handle 9 is integrally attached to a front portion of the grill plate 2 via a mounting bracket 12.
When the grill plate 2 is accommodated in the grill storage A by providing the stopper projection 13 on the rear bottom surface, the stopper projection 13 engages with the locking projection 14 provided on the bottom wall 10 of the grill storage A. Then, the grill plate 2 is locked at a predetermined storage position.

The relationship between the grill door 1 and the handle 9 of the grill plate 2 is such that when the grill door 1 is fully closed (when the grill plate is stored), the lower end 1a of the grill door 1 is held by the handle of the grill plate 2. 9
, The front opening 7 of the grill warehouse A is securely closed without any gap, and the grill door 1 is closed.
At the time of the fully open (when out came argument of the grill pan) is performed without hindrance any open the grill door 1 and the rotation of the opening direction of the straight forward movement and the grill door 1 of the grill pan 2 is tuned It has become.

Reference numeral 3 denotes a connecting rod, and the grill plate 2 and the grill door 1 are provided.
Are linked with each other at a constant forward / backward stroke a of the grill pan 2, and as shown in FIG.
b is inserted into the shaft hole 15a at the distal end of the arm rod 15 provided on the grille door 1, and the base end connecting portion 3c is inserted and held in the slide hole 17 formed in the side wall 16 of the grill warehouse A to hold the rear surface 2a of the grill plate 2.
It is related to contact.

The slide hole 17 is for guiding the forward / backward movement of the connecting rod 3 and for regulating the forward / backward movement of the connecting rod 3 to a constant forward / backward stroke a. 2 interlocked via the connecting rod 3 and power spring 4, grill door 1 is opened and closed by transmitting by changing the reciprocating motion of the grill pan 2 in the forward and backward stroke a rotational movement of the grill door 1 via the communication rod 3 It is supposed to be.

It should be noted, fully open position of the grill door 1 (a substantially horizontal position) and regulation are fully closed position (a substantially vertical position), regulated by Ri to certain reciprocating stroke a in the slide hole 17 as in Example
In addition, although not shown, it may be performed by regulating the rotation angle of the grill door 1 to a fixed angle.

The above-mentioned sprung member 4 is connected to the connecting rod 3 of the grill door 1 during the forward stroke a of the grill plate 2 when the grill door 1 is fully opened.
Promotion of push-up rotation of the upward due to the fully open the grill door 1
Performs an open holding in position, the hooking rod 18 to pivotally on the side wall 16 of the basal end connecting portion 3c of the connecting rod 3 and the grill box A
And the grill door 1 opens in the opening direction,
Grill pan in the retracted state 2 is biased through the Ren杆3 in the direction out can pull.

B is a connecting means for integrally connecting the connecting rod 3 and the grill plate 2 with a fixed connecting force, and is provided at a contact portion between the rear portion 2a of the grill plate 2 and the base end connecting portion 3c of the connecting rod 3. Is provided.

In the embodiment shown in FIGS. 1 and 2, a permanent magnet 5 having a constant attractive force is fixed to a U-shaped holding portion 19 which is bent at substantially the center of a base end connecting portion 3c of a connecting rod 3. , of the original drawer of time out can grill Sarahiki forward stroke a and Osamu
The grill pan 2 and the connecting rod 3 are integrally connected with a constant connecting force only at the retreat stroke a at the end of the storage .

The embodiment shown in FIG.
Of a substantially central portion, fixed and bitten portion 6a having a bite lifting force, disengaging fitting the connecting rod 3 constriction opening 6b and the integrally bent to become a leaf spring or the like in crafted bitten tool 6 the mounting and fixed, and the original of the forward stroke a drawer when out came grill Sarahiki
The grill pan 2 and the connecting rod 3 are integrally connected with a fixed connecting force only at the retreat stroke a at the end of storage .

The bite lifting force of the suction force and bitten device 6 of the permanent magnet 5 in the embodiment, integrally connected in forward stroke a time continuous rod 3 and the grill pan 2 is out can grill pan <br/> pull And cooperates by overcoming a certain load, and the forward stroke a
Is intended to have a suction force or bitten force may have its coupling in Technology of out force of grill pan 2 was easily released Beyond. Ma
When storing the grill plate 2, the grill plate 2 is placed at the end of storage.
, The connecting rod 3 and the grill pan 2 move the magnet 5 or the jaw 6
Adsorption force or bite force that is easily connected and integrally connected through
It is something to give .

[0031] Thus, when the out come pull the grill pan 2, a grille door 1 with a force which is the sum of the attractive force or bitten force bitten device 6 of power and the permanent magnet 5 by power spring 4 is in its forward stroke a The connecting rod 3 is moved in the opening direction.

The connecting means B for connecting the connecting rod 3 and the grill plate 2 is not limited to the permanent magnet 5 and the holding tool 6, but any other connecting means may be used.

In the figure, reference numeral 20 denotes a grill burner, 21 denotes an exhaust passage, 22 denotes an exhaust port, 23 denotes a gas stove, and 24 denotes a pot placed on the gotoku.

The operation of the above arrangement will be described below. The grill plate 2 is housed in the grill storage A, and the stopper projection 13 is engaged with the locking projection 14 and locked at a predetermined position. when you are grill door 1 is urged by the power spring 4 be in a substantially vertical shape of the closed position in the opening direction (the clockwise direction) through the communication rod 3, grill pan 2 also out can pull direction (leftward ) (See the position indicated by the solid line in FIG. 1).

Therefore, when using the grill, the grill storage A
When the grill plate 2 housed and locked inside is pulled forward with the front handle 9, the grill plate 2 is unlocked by the stopper projection 13 extending beyond the locking projection 14 and straightened. It is issued can pull.

[0036] In operation out can pull of the grill pan 2,
At a certain forward stroke a, which is regulated by the slide hole 17 at the beginning of the drawing , the grill pan 2 is
And the connecting rod 3 move integrally with the coupling force by the coupling means B such as the permanent magnet 5 or the jaw 6 to link the grill door 1.
The rod 3 rotates raised press the illustrated clockwise the spindle 8 as a fulcrum to the fully open (position see chain lines in FIG. 1).

[0037] In the above operation out can pull, coupling means such as a grill pan 2 and Ren杆3 permanent magnet 5 or bitten device 6 even when the continuous rod 3 or the like is stuck to the slide hole 17 or the like by the oil dirt B As a result, the grill plate 2 and the connecting rod 3 move together as a result of overcoming the sticking or the like, and the grill door 1 is securely opened.

When the connecting rod 3 reaches the forward stroke a and its movement is regulated by the slide hole 17 , the subsequent grill pan 2
Manual for the binding of the binding means B in Technology of out force is solved by, to a predetermined position by the grill pan 2 alone subsequent argument of
And escape from the grill storage A as needed.

[0039] after placing an object to be food such as fish on a baking put the argument can issued water in the grill pan 2 network, grill cabinet a grill pan 2 A
When storing the inner, when Komu linearly push back along the grill pan 2 to the guide rails 11, grill pan 2 is housed final
Bitten portion 6a of the bite lifting force or bitten device 6 basal end connecting portion 3c of the back portion 2a and Ren杆3 of grill pan 2 by <br/> adsorption of the permanent magnet 5 at the entrance to the retraction stroke a parts the Ren杆3 is integrally coupled depending on bite lifting force by being fitted from the restrictive opening 6b, grill pan 2 and Ren杆3 hereinafter together power spring 4
Retreats against the protrusion and the protrusion 13 for the stopper of the grill plate 2 is locked.
Upon reaching the engaged predetermined storage position in the protrusion 14, the grill door 1 is securely becomes fully closed, and to impart a constant tension to the power spring 4.

When the grill door 1 is fully closed by the retreat stroke a, the grill plate 2 is locked with the stopper projection 13 extending beyond the engagement projection 14 and locked in the predetermined storage position.

[0041]

[Effect of the invention] The door opening and closing device of the heating chamber according to the invention is:
Since the communicating rod and pan are configured with being integrally coupled in forward stroke when out can pan argument with a constant coupling force, always interlocked continuous rod and pan even when communicating杆等are caked with grease or the like There is an effect that the door can always be reliably opened.

Further, if a magnet or a jaw made of a leaf spring or the like in which the connecting rod is easily fitted and disengaged is used as a connecting means between the connecting rod and the receiving tray, the structure becomes extremely simple and the operation is light.
It is easy to use because it is reliable.

[Brief description of the drawings]

FIG. 1 is a partially cut-away side view showing one embodiment of a door opening / closing device for a heating cabinet according to the present invention.

FIG. 2 is a schematic plan view of only a main part.

FIG. 3 is a cut-away side view of only essential parts of a different embodiment.

[Explanation of symbols]

 A Heating cabinet (grill cabinet) 1 Door (grill door) 2 Receiving tray (grill dish) a Reciprocating stroke 3 Connecting rod 4 Spring B Connecting means 5 Magnet 6 Clamping tool

Claims (3)

(57) [Scope of request for utility model registration] 1. A door (1) of a heating chamber (A) and a heating chamber
(A) A tray (2) for cooking objects to be slid in and out , and a front side is pivotally supported by a door (1) and a base side is a pan.
(2) abutting against the back surface (2a) and generating (4)
The connecting rod (3) urged in the direction of pulling out the tray (2) with
Pulling the tray (2) through which the door (1) is fully opened from fully closed
The forward stroke (a) and the door (1) at the beginning of dispensing are fully opened
Retraction stroke of the storage end of the pan (2) that is fully closed
In the door opening and closing device of the heating chamber which is provided to cooperate only (a), the aforementioned connecting rod (3) and pan (2) and the drawer of the pan (2)
Initial forward stroke (a) and retractable straw at end of storage
In (a), the tray (2) is integrally connected, and the tray (2) is pulled out.
Further only pan (2) the binding is solved by in pull-out force after past the forward stroke saucer (2) at the time and
A door opening / closing device for a heating cabinet, wherein a coupling means having a constant suction force or a biting force that can be drawn out from the door is provided. As claimed in claim 2 wherein said coupling means, communicating rod and (3) pan
The door opening / closing device for a heating cabinet according to claim 1, wherein a magnet (5) having a constant attraction force is provided at a contact portion with (2) . As claimed in claim 3 wherein said coupling means, communicating rod and (3) pan
(2) has a constant gripping force at the contact portion with the connecting rod;
The door opening / closing device for a heating cabinet according to claim 1, further comprising a holding tool (6) made of a leaf spring or the like into which the (3) is fitted.