JP2008267674A - Gas cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a gas cooker in which a valve device for supplying gas from a nozzle of a valve casing to a mixing pipe of a gas burner is housed with the gas burner in a cooker body, absorbing shifting, without changing the position and direction of the gas burner and the valve device or without the increase in number of parts, even if the gas burner and the valve device are installed to relatively shift in the lateral direction. <P>SOLUTION: The nozzle is connected to a downstream end of a gas passage, in an adjusting body 1 as a separate body from the valve casing 4, the upstream end of the gas passage is connected to a gas outlet 47 opened to the side surface of the valve casing 4; a flange part 10 is provided in a range surrounding the gas outlet 47; an adjustment flange 15 fixed adjustably to the flange pat 10 is provided, in a range surrounding the upstream end of the gas passage of the adjusting body 1; and the nozzle is moved in the lateral direction to the side surface of the valve casing 4 in a cooperative manner with the adjustment of the adjustment flange 15. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a gas cooker, and more particularly, to a gas cooker in which a gas burner and a valve device for supplying gas to the gas burner are housed in a cooker body.

  A plurality of gas burners and valve devices for supplying gas to each gas burner and adjusting the heating power are positioned at predetermined positions in the cooker body constituting the gas cooker such as a table stove. It is stored in a state.

FIG. 5 is a plan view of a table stove, and a grill device (30) used for fish-baking or the like is housed in the center of a rectangular cooker body (3) that is open upward. On both sides, stove gas burners (31) and (32) are housed. Further, an exhaust port (35) for discharging combustion exhaust from the grill device (30) is disposed at the back of the upper surface of the cooker body (3).
The upper open part of the cooker body (3) is covered with a top plate (36), and from the opening provided in the top plate (36), among the gas burners (31) (32), Burner portions (31a) and (32a) having a large number of flame holes protrude upward. Then, the burner ring (37) and the five virtues (38) are disposed in a non-rotating state with respect to the top plate (36) so as to surround the burner portions (31a) (32a).

  From below the burner part (31a) (32a), a mixing pipe (31b) (32b) into which gas is sent together with the primary air extends toward the front panel (33) of the cooker body (3). A valve for supplying gas to the mixing tubes (31b) (32b) at each position on the back side of the front panel (33) corresponding to the mixing tubes (31b) (32b) of the gas burners (31) (32) Devices (21) and (22) are respectively installed.

  The valve device (21) (22) has a gas source valve and electromagnetic safety valve that opens and closes the gas passage penetrating the valve casing (21a) (22a), and further adjusts the amount of gas flowing in the gas passage. The operation valve (20) for opening and closing the gas source valve and the electromagnetic safety valve to ignite and extinguish the gas burner (31) (32), and the amount of gas for moving the needle valve forward and backward The adjustment lever (2) protrudes from the front panel (33).

Further, nozzles (24) and (25) communicating with the gas passage are projected from the valve casings (21a) and (22a), and gas discharge ports at the open ends of the nozzles (24) and (25) are provided. The gas burners correspond to the mixing tubes (31b) and (32b) of the gas burners (31) and (32), respectively.
In addition, the valve device (23) corresponding to the mixing tube (39) of the burner in the grill device (30) is installed on the back side of the front panel (33) closer to one side of the cooker body (3), An operation knob (28) for igniting and extinguishing the burner of the grill device (30) and an adjusting lever (29) for adjusting the heating power protrude from the front panel (33).

In addition, a door (34) for opening and closing a front opening portion of a grill cabinet in which a grill net and a grill pan (not shown) are detachably stored is provided at the center of the front panel (33).
Generally, the mixing pipe (31b) (32b) of each gas burner (31) (32) extends in a straight direction toward the front panel (33) of the cooker body (3), and a nozzle ( Valve devices (21) and (22) are installed so that the gas discharge ports of 24 and 25 are located respectively.
JP-A-7-12328 Japanese Patent Laid-Open No. 11-9449

However, in recent years, with the widening of the grill device (30), the distance between the gas burners (31) and (32) for the stove tends to be set smaller than the distance between the valve devices (21) and (22). There is. The valve devices (21) and (22) have various restrictions in the cooker body (3), and cannot be moved to the left and right according to the pitch between the gas burners (31) and (32).
Thus, when there is a difference between the pitch between the gas burners (31) and (32) and the pitch between the valve devices (21) and (22), the nozzles (24) and (25) of the valve devices (21) and (22) The direction of the gas burner (31) (32) must be forcibly adjusted so that the open end of the mixing tube (31b) (32b) of the gas burner (31) (32) corresponds to the gas outlet at the tip. .

  Therefore, when the direction of the gas burner (31) (32) itself is set obliquely, the burner part (31a) (32a) rotates in a horizontal plane, and the flame holes and virtues (38) of the burner part (31a) (32a) And the flame directly hit the five virtue claws, resulting in poor combustion. Also, when the burner ring (37) and the five virtues (38) are set in the positioning state in the burner part (31a) (32a), the burner part (31a) (32a) is rotated, so that the burner ring ( 37) and Gotoku (38) are also displaced in the rotational direction with respect to the top plate (36), which is not preferable in design (see the Gotoku on the right side of FIG. 5).

  Further, without changing the direction of the gas burner (31) (32), the gas discharge port of the nozzle (24) (25) extending straight from the valve device (21) (22) toward the rear of the cooker body (3) In addition, in order to ensure that the mixing pipes (31b) and (32b) of the gas burners (31) and (32) correspond to each other, from each gas discharge port to the mixing pipes (31b and 32b) of the gas burners (31) and (32). It is necessary to prepare another type of nozzle to be connected. This increases the cost and makes the assembling work complicated.

  The present invention is a `` gas cooker in which a valve device for supplying gas to a mixing tube of a gas burner through a nozzle extending substantially horizontally from a valve casing is housed in a positioning state in the cooker body together with the gas burner '' Even if the gas burner and the valve device are installed in the cooker body so as to be shifted relative to each other in the lateral direction, the position and orientation of the gas burner and the valve device are not changed. It is an object of the present invention to make it possible to absorb the deviation between the two without increasing the number of parts.

(1) The gas cooker of the invention according to claim 1 is: "The nozzle is connected to the downstream end of the gas passage that penetrates the adjusting body configured separately from the valve casing;
The upstream end of the gas flow path of the adjustment body is configured to be connected to a gas outlet that opens to a side surface of the valve casing,
A flange portion is provided in a range surrounding the gas outlet on the side surface of the valve casing,
An adjustment flange fixed to the flange portion is provided in a range surrounding the opening at the upstream end of the gas passage of the adjustment body,
The fixing position of the adjustment flange with respect to the flange portion can be adjusted within a predetermined range, and in conjunction with the adjustment of the adjustment flange, the nozzle is set laterally with respect to the side surface of the valve casing. It is characterized by moving.
An adjustment body through which the gas passage penetrates is provided separately from the valve casing, and an upstream end of the gas passage of the adjustment body is provided on a flange portion disposed so as to surround the gas outlet opening on the side surface of the valve casing. By fixing the adjustment flange provided so as to surround, the adjustment body is attached to the valve casing, and the gas passage in the valve casing communicates with the gas passage in the adjustment body. Thereby, gas can be supplied to the mixing tube of the gas burner from the tip of the nozzle connected to the downstream end of the gas passage in the adjustment body.
The adjustment flange is set so that the fixing position can be adjusted within a predetermined range with respect to the flange portion. Therefore, by adjusting the fixing position of the adjustment flange with respect to the flange portion, the tip of the nozzle is moved to the valve. It can be moved laterally with respect to the side surface of the casing. Thereby, the position of the tip of the nozzle can be adjusted in accordance with the position of the open end of the mixing tube of the gas burner, and the tip of the nozzle can be reliably associated with the open end of the mixing tube.

(2) The gas cooker of the invention according to claim 2 is the gas cooker according to claim 1, wherein a pair of mounting holes are formed in the flange portion at a predetermined interval in the lateral direction,
In the adjustment flange, a pair of mounting holes are formed vertically at a predetermined interval in the lateral direction,
The posture of the adjusting body with respect to the valve casing is such that a pair of mounting holes located on one diagonal among the mounting holes formed in the adjusting flange correspond to the mounting holes of the flange portion. Then, the first posture of fixing with the mounting screw and the second posture of fixing the other pair of mounting holes located on the other diagonal line with the mounting screws in correspondence with the mounting holes of the flange portion. It is characterized in that it can be changed, and is provided in the flange for adjustment in two mounting holes provided in the flange portion at a predetermined interval in the lateral direction with respect to the side surface of the valve casing. Out of the four mounted holes, the position corresponding to the two positions on one diagonal is the first position of the adjustment flange, and the position corresponding to the two positions on the other diagonal The adjustment flange The attitude. In the first posture and the second posture, the attachment position of the adjustment flange with respect to the flange portion is displaced in the rotational direction. Along with this, the mounting angle of the adjusting body with respect to the valve casing changes, and the position of the tip of the nozzle also changes. When the mounting hole formed in the flange portion is a screw hole, the mounting hole formed in the adjustment flange is an insertion hole, and conversely, the mounting hole formed in the flange portion is an insertion hole. In this case, the mounting hole formed in the adjustment flange is a screw hole. Then, the adjustment flange can be fixed to the flange portion by inserting the attachment screw from the insertion hole side and screwing it into the screw hole.

(3) The gas cooker of the invention according to claim 3 is the gas cooker according to claim 1, wherein the flange portion is formed with a screw hole at a predetermined interval in the lateral direction,
The adjustment flange is formed with a pair of horizontally long holes at a predetermined interval in the lateral direction,
In the case where the predetermined positions of the long holes are made to correspond to the screw holes and fixed with mounting screws, the adjustment flange is slid in the lateral direction with respect to the flange portion while the long holes are made to correspond to the screw holes. At the position where the tip of the nozzle projecting from the adjusting body just corresponds to the open end of the mixing tube of the gas burner, the mounting screws are inserted into two of the long holes corresponding to the screw holes, respectively. And screwed into the screw hole. Thereby, adjustment of the fixing position of the adjustment flange with respect to the flange portion can be continuously performed, and the protruding position or the protruding angle of the adjusting body connected to the valve casing can be finely adjusted. That is, the position of the tip of the nozzle can be finely adjusted.

(4) A gas combustion apparatus according to a fourth aspect of the present invention is the gas combustion apparatus according to any one of the first to third aspects, wherein "the gas of the valve casing is between the flange portion and the adjustment flange. There is a packing for maintaining an airtight state between the outlet and the upstream end of the gas passage of the adjustment body '', and the adjustment flange is shifted laterally with respect to the flange portion, Even if it is shifted in the rotational direction or eccentric, no gas leaks from between the flange portion and the adjustment flange.

  As described above, according to the first aspect of the present invention, between the position of the open end of the mixing tube of the gas burner for the stove housed in the cooker body and the position of the tip of the nozzle of the valve device. When there is a deviation, adjusting the mounting angle or mounting position of the adjusting body provided with the nozzle with respect to the valve casing constituting the valve device absorbs the deviation between them, and mixes the gas burner. The tip of the nozzle can correspond to the open end of the tube. As a result, it is not necessary to force the gas burner to be directed at an oblique angle in accordance with the protruding position of the nozzle of the valve device, so the correlation between the flame hole and the five virtues caused by the burner rotating with respect to the top plate In the former case, the disadvantage of the combustion performance is eliminated, and in the latter case, the top plate is not preferable in terms of design. Such a problem is solved. Furthermore, since it is only necessary to make one adjusting body provided with the nozzle separately from the valve casing, it is not necessary to separately provide a nozzle or the like, and the cost is not increased.

  Further, according to the invention according to claim 2, since it is only necessary to fix two of the mounting holes of the adjustment flange with the mounting screws corresponding to the mounting holes of the flange portion, the adjustment to the valve casing is possible. The body mounting operation can be performed easily and reliably.

  According to the invention of claim 3, since the adjustment flange can be continuously slid with respect to the flange portion and screwed at a desired position, the adjustment range of the adjustment flange is expanded and the adjustment is performed. Fine adjustment of the protruding position of the body becomes possible. Therefore, the tip of the nozzle can accurately correspond to the mixing tube of the gas burner without changing the direction of the gas burner in accordance with the arrangement position of the valve device.

  According to the fourth aspect of the present invention, the range from the gas outlet of the valve casing to the upstream end of the adjustment body even if the adjustment flange is fixed to the flange portion at a desired position and in a desired posture. Thus, gas leakage can be reliably prevented.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a partially cut-away sectional view of a valve device (4) incorporated in a cooker body (3) of a table stove. A gas amount adjusting valve (41) and a main valve unit (42) are valve casings. (40) and a gas amount adjusting lever (2) provided in the gas amount adjusting valve (41) and an ignition / extinguishing button (20) provided in the main valve unit (42). ) Protrudes outward from the front panel (33).

  The main valve unit (42) incorporates an on-off valve (43) and an electromagnetic safety valve (44) that open and close in conjunction with the pushing operation of the ignition / extinguish button (20), and above the main valve unit (42). A gas passageway (45) communicates with the gas amount adjustment valve (41) connected to the. The gas passage (45) penetrating through the gas amount adjusting valve (41) is formed in a substantially inverted L shape, and the gas passage (45) is narrowed to a bent portion thereof, so that the valve casing (40) A needle valve body (46) for adjusting the amount of gas discharged from the gas outlet (47) that is open to the side surface is provided.

  In the valve device (4) of this embodiment, as shown in FIG. 2, a flange portion having a horizontally long rhombus shape is provided in a range surrounding the periphery of the gas outlet (47) on the side surface of the valve casing (40). (10) is provided integrally. An opening (18) corresponding to the gas outlet (47) passes through the center of the flange portion (10), and a pair of screw holes (10a) (10b) are formed near both ends in the lateral direction. Has been.

The nozzle (13) for feeding the gas in the gas passage (45) into the mixing pipe (31b) (32b) of the gas burner is connected to the downstream end of the adjusting body (1) provided separately from the valve casing (40). Is done.
The adjustment body (1) includes a first tube (11) extending upward, and a first tube (11) extending substantially horizontally from the upper end (downstream end) of the first tube (11) toward the rear of the cooker body (3). The nozzle (13) is connected to the nozzle connection port at the open end of the second tube (12) substantially horizontally, and the tip of the nozzle (13) is the gas discharge port (14). It has become. An adjustment flange (15) is attached to the adjustment body (1) so as to surround the lower end (upstream end) of the first cylinder (11).

  The adjustment flange (15) is provided on the opposite side of the projecting direction of the second cylinder (12), the gas inlet (15a) corresponding to the gas outlet (47) is open, and the first cylinder (11 ) Is a horizontally elongated plate-like body projecting in the width direction, and four insertion holes (16a), (16b), (17a), and (17b) are provided two above and below along both sides. ing.

  Of these four insertion holes (16a), (16b), (17a) and (17b), the insertion holes (17a) and (16b) located on one diagonal line are screwed into the screw holes (10a) and (10b) of the flange portion (10). A state in which the mounting screws (26) and (27) are screwed together is the first posture of the adjusting body (1) shown by a solid line in FIG.

  The insertion holes (16a) and (17b) located on the other diagonal line correspond to the screw holes (10a) and (10b) of the flange portion (10), respectively, and the mounting screws (26) and (27) are screwed together. This state is the second posture of the adjustment body (1) shown by the two-dot chain line in FIG.

Thus, the adjustment flange (15) is centered on the gas inlet (15a) of the adjustment flange (15) corresponding to the opening (18) of the flange portion (10) with respect to the flange portion (10). Even if the posture of the adjusting body (1) is changed from the first posture to the second posture, the gas passage (of the valve device (4)) is fixed. The gas passing through 45) is adjusted from the gas outlet (47) of the valve casing (40) through the opening (18) of the flange portion (10) and the gas inlet (15a) of the adjusting flange (15). It passes through (1) and is discharged from the gas discharge port (14) at the tip of the nozzle (13) into the mixing tube (31b) (32b) of the gas burner.
Although not shown in FIG. 2, a rubber packing (48) is interposed between the flange portion (10) and the adjustment flange (15) as shown in FIG. An airtight state is secured.

  Thus, by changing the fixing position of the adjustment flange (15) with respect to the flange portion (10), the attitude of the adjustment body (1) can be changed, and accordingly, the gas discharge port (14) The position is shifted laterally with respect to the side surface of the valve casing (40). Therefore, even when the positional relationship between the gas burner and the valve device is deviated, the displacement can be absorbed by changing the posture of the adjusting body (1) with respect to the valve casing (40), and the direction of the gas burner itself can be changed. Even without changing, the gas discharge port (14) can correspond to the open end of the mixing tube (31b) (32b) of the gas burner.

  4 shows a flange portion (10) and an adjustment body (1) with an adjustment flange (15) according to another embodiment. In this embodiment, a laterally long groove (19) is formed around an opening (18) provided in the center of the flange portion (10), and screw holes (10a) and (10b) are provided on both sides thereof.

  On the other hand, a gas inlet (15a) is opened at the center of the adjustment flange (15), and a horizontally long slot is used as an insertion hole through which the mounting screws (26) (27) are inserted on both sides of the gas inlet (15a). (5a) and (5b) are provided.

A rubber packing (48) corresponding to the shape of the flange portion (10) is attached to the front surface of the flange portion (10).
In this case, the adjustment flange (15) can be slid in the lateral direction with respect to the flange portion (10) within the range of the long diameter of the long holes (5a) (5b), and the adjustment body ( At the desired position corresponding to the open end of the gas burner mixing tube, the mounting screw (26) (27) is inserted through the slot (5a) (5b) at a predetermined position. At the same time, the adjustment flange (15) is screwed into the screw holes (10a) and (10b) of the flange portion (10) through the insertion holes (49) provided in the rubber packing (48), so that the adjustment flange (15) is 10) can be fixed.

  Thus, since the adjustment flange (15) can be continuously moved with respect to the flange portion (10), the position of the adjustment body (1), and further, the gas discharge port of the nozzle (13) ( The position of 14) can be finely adjusted. Therefore, the gas discharge port (14) can be accurately associated with the open end of the mixing tube of the gas burner.

  In the second embodiment, the adjustment flange (15) is provided with horizontally elongated holes (5a) and (5b) in order to enable the adjustment flange (15) to slide. The orientation and shape of the long holes (5a) and (5b) or the configuration of the flange portion (10) are not limited to those shown in FIG. 4 and can be variously set.

  In the gas cooker according to each of the above-described embodiments, the distance between the two stove gas burners arranged in parallel in the lateral direction of the front panel (33) of the cooker body (3) and each gas burner Even when there is a difference in the distance between the two valve devices arranged side by side in the lateral direction, the gas discharge can be performed without forcibly changing the direction of the gas burner so as to match the gas discharge port of the valve device. The outlet can correspond to the open end of the mixing tube of the gas burner. Therefore, when the burner part is displaced obliquely, the flame hole in the burner part and the five virtues are deviated and the combustion performance is deteriorated, or the burner ring and the five virtues are displaced in the circumferential direction and the design is unsightly. There is no inconvenience.

  In the first embodiment, the number of holes provided above and below the insertion holes provided in the adjustment flange (15) is increased. In the second embodiment, the adjustment flange (15) is elongated vertically. By providing a long hole, the position of the nozzle (13) can be adjusted in the vertical direction. As a result, even when a vertical shift occurs between the position of the open end of the mixing pipe of the gas burner for the stove and the position of the tip of the nozzle of the valve device, the vertical shift can be absorbed. .

The partial cutaway sectional view of the valve device adopted for the gas cooker of an embodiment of the invention. The disassembled perspective view of the principal part of the valve apparatus employ | adopted as the gas cooker of embodiment of this invention. Explanatory drawing which shows the use condition of the principal part of the valve apparatus employ | adopted as the gas cooker of embodiment of this invention. The disassembled perspective view of the principal part of the other valve apparatus employ | adopted as the gas cooker of embodiment of this invention. The partial omission plan view of a gas cooker.

Explanation of symbols

(1) ... Adjustment body
(10) ・ ・ ・ ・ ・ Flange
(11) ... 1st tube
(12) ... 2nd cylinder
(14) ・ ・ ・ ・ ・ Gas outlet
(15) ・ ・ ・ ・ ・ Flange for adjustment
(3) ...... Cooker body
(4) ・ ・ ・ ・ ・ Valve device
(40) ・ ・ ・ ・ ・ Valve casing
(47) ・ ・ ・ ・ ・ Gas outlet

Claims (4)

In the gas cooker in which the valve device for supplying gas to the mixing pipe of the gas burner through the nozzle extending substantially horizontally from the valve casing is housed in the cooker body together with the gas burner,
The nozzle is connected to a downstream end of a gas passage that penetrates an adjustment body configured separately from the valve casing,
The upstream end of the gas flow path of the adjustment body is configured to be connected to a gas outlet that opens to a side surface of the valve casing,
A flange portion is provided in a range surrounding the gas outlet on the side surface of the valve casing,
An adjustment flange fixed to the flange portion is provided in a range surrounding the opening at the upstream end of the gas passage of the adjustment body,
The fixing position of the adjustment flange with respect to the flange portion can be adjusted within a predetermined range, and in conjunction with the adjustment of the adjustment flange, the nozzle is set laterally with respect to the side surface of the valve casing. Gas cooker characterized by moving. The gas cooker according to claim 1, wherein a pair of attachment holes are formed in the flange portion at a predetermined interval in the lateral direction,
In the adjustment flange, a pair of mounting holes are formed vertically at a predetermined interval in the lateral direction,
The posture of the adjusting body with respect to the valve casing is such that a pair of mounting holes located on one diagonal among the mounting holes formed in the adjusting flange correspond to the mounting holes of the flange portion. Then, the first posture of fixing with the mounting screw and the second posture of fixing the other pair of mounting holes located on the other diagonal line with the mounting screws in correspondence with the mounting holes of the flange portion. Gas cooker characterized by being changeable. The gas cooker according to claim 1, wherein a screw hole is formed in the flange portion at a predetermined interval in the lateral direction,
The adjustment flange is formed with a pair of horizontally long holes at a predetermined interval in the lateral direction,
A gas cooker, wherein a predetermined position of the elongated hole is made to correspond to the screw hole and fixed with an attachment screw.   The gas cooker according to any one of claims 1 to 3, wherein a space between the flange portion and the adjustment flange is airtight between the gas outlet and an upstream end of the gas passage of the adjustment body. A gas cooker characterized in that a packing for maintaining the state is interposed.

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