JP6230115B2 - Gas burner burner - Google Patents

Description

The present invention provides a plurality of flames in which a burner cap is placed on an annular flame mouth forming portion of a burner body, and a flame is formed radially outwardly between the flame mouth forming portion and the burner cap. The mouth and the ignition flame are formed along the circumferential direction,
The burner body is configured to abut the upper burner body and the lower burner body,
A vertically long spark plug is mounted in the vertical direction at a location corresponding to the ignition flame port in the flame mouth forming portion,
An ignition sensor mounting recess that is recessed inward in the radial direction is formed at a location corresponding to the ignition detection flame mouth of the flame mouth in the flame mouth forming portion,
The present invention relates to a gas stove burner in which a vertically long ignition sensor that detects that a flame has been formed in the ignition detection flame mouth is mounted in a state of being inserted into the ignition sensor mounting recess.

  The above-mentioned gas stove burner is equipped with a vertically long spark plug at a position corresponding to the ignition flame in the flame formation part to perform a good ignition, and the ignition detection flame mouth in the flame formation part. An ignition sensor mounting recess that is recessed inward in the radial direction is formed at a location corresponding to, and a vertically long ignition sensor that detects that a flame has been formed in the ignition detection flame port is ignited. It is mounted in a state where it is inserted into the mounting recess, and the ignition sensor is brought close to the flame hole forming section so that the ignition sensor can appropriately detect the ignition.

  As a conventional example of such a gas stove burner, there is one provided with a spark plug and an ignition sensor close to each other (see, for example, Patent Document 1 (FIG. 2)).

JP 2011-47626 A

  In a conventional burner for a gas stove, it is necessary to fix the ignition plug and the ignition sensor to the burner body. However, if a fixing tool for fixing the ignition plug and the ignition sensor to the burner body is provided separately, the manufacturing cost is high. There was the inconvenience of becoming.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a gas stove burner with reduced manufacturing costs for fixing a spark plug and an ignition sensor to the burner body. .

The burner for a gas stove according to the present invention has a burner cap placed on the annular flame opening forming portion of the burner body, and forms a flame outward in the radial direction between the flame opening forming portion and the burner cap. A plurality of flame outlets, an ignition flame mouth and an ignition detection flame mouth are formed along a circumferential direction, and the burner body is configured to abut the upper burner body and the lower burner body, the flame A vertically long spark plug is attached in a vertical direction at a position corresponding to the ignition flame in the mouth forming portion, and a diameter corresponding to the ignition detection flame mouth in the flame mouth in the flame forming portion. An ignition sensor mounting recess that is recessed inward in the direction is formed, and a vertically long ignition sensor that detects that a flame has been formed in the ignition detection flame opening is provided in the ignition sensor mounting recess. Attached in a state of being inserted There, in its first feature structure,
The ignition plug is positioned radially outward from the ignition sensor, and the ignition plug and the ignition sensor are mounted at a predetermined interval in a plan view, and the upper burner body and the lower side are mounted. A fixed portion sandwiched between the burner main body, a first piece extending radially inward from the fixed portion, and a peripheral portion extending from the fixed portion. A fixing tool including a second piece, and the ignition sensor is attached to the burner body by the first piece in a state where the fixed portion is sandwiched between the upper burner body and the lower burner body. The ignition sensor and the ignition plug are elastically urged radially inward and elastically urged by the second piece in the circumferential direction with respect to the burner body. It is characterized by being fixed to the burner body.

  With this configuration, the spark plug is positioned radially outward from the ignition sensor, so that the distance between the spark plug and the flame formation part can be appropriately maintained. The leakage of the discharge due to the too short distance between the two can be prevented, and the ignition sensor can be brought close to the flame hole forming portion, so that the ignition sensor can appropriately detect the ignition.

  In plan view, the spark plug and the ignition sensor are mounted at a predetermined interval, and a fixed portion that is sandwiched between the upper burner body and the lower burner main body, and a diameter from the fixed portion. And a fixture having a first piece extending inward in the direction and a second piece extending from the fixed portion in the circumferential direction, the fixed portion being the upper burner body and the lower burner. The ignition sensor is elastically urged radially inward with respect to the burner body by the first piece while being sandwiched between the main body and the ignition plug is held by the second piece against the burner body. Thus, the ignition sensor and the spark plug are fixed to the burner body by elastically urging in the circumferential direction.

  Accordingly, there is provided a fixture including a fixed portion, a first piece extending radially inward from the fixed portion, and a second piece extending circumferentially from the fixed portion. It is possible to fix the spark plug and the ignition sensor to the burner body simply and at a low manufacturing cost by simply holding the fixed part of the fixture between the upper burner body and the lower burner body. It becomes possible.

  As described above, according to the first characteristic configuration, it is possible to provide a gas stove burner that can fix the spark plug and the ignition sensor to the burner body easily and at a low manufacturing cost.

In addition to the first characteristic configuration described above, the second characteristic configuration of the gas stove burner of the present invention includes:
The ignition sensor can be attached to and detached from the burner body by elastically deforming the first piece in a state where the fixed portion is sandwiched between the upper burner body and the lower burner body. It is characterized in that the spark plug is configured to be detachable from the burner body by elastically deforming the second piece.

  That is, the ignition sensor can be attached to and detached from the burner body by elastically deforming the first piece while the fixed portion is held between the upper burner body and the lower burner body, and the second piece is elastic. Since the spark plug can be attached to and detached from the burner body by deforming it, the ignition sensor and the spark plug can be attached to and detached from the burner body after holding the fixed part between the upper and lower burner bodies. Configured to be possible.

  Therefore, when the fixed portion is sandwiched between the upper burner body and the lower burner body, the ignition sensor and the ignition plug are held at the mounting positions of the ignition sensor and the ignition plug in the flame formation portion while holding the ignition sensor and the ignition plug. It is not necessary to hold the fixed part between the upper and lower burner bodies, and the fixed part can be easily held between the upper and lower burner bodies. There is good workability.

  In short, according to the second characteristic configuration of the present invention, in addition to the operational effects of the first characteristic configuration, a gas stove burner that can more easily fix the spark plug and the ignition sensor to the burner body. be able to.

According to the first aspect of the present invention, it is possible to provide a burner for a gas stove that can fix the spark plug and the ignition sensor to the burner body easily and at a low manufacturing cost.
According to the second aspect of the present invention, in addition to the effect of the first aspect, it is possible to provide a gas stove burner that can more easily fix the spark plug and the ignition sensor to the burner body. .

The perspective view of the gas stove which comprises the burner for gas stoves Cutaway front view of the main part of the gas stove (A) Rear view and (b) Bottom view showing the gas burner with the burner cap removed. Side view showing gas burner burner with burner cap removed Perspective view of fixture

Embodiment
Embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the gas stove A is generally box-shaped, and has an apparatus main body 10 having an upper opening (not shown) that exposes an upper portion of the gas stove burner B accommodated therein, and an upper surface of the apparatus main body 10. And a top plate 11 covering the top. In the present embodiment, the gas stove A is a drop-in stove that is not illustrated, but is a drop-in stove that is installed by being inserted (inserted) into an opening formed in a counter installed in a kitchen or the like, but is not particularly limited.

  In the present embodiment, as shown in FIG. 1, three gas burners B, a large thermal power burner Ba, a standard thermal power burner Bb, and a small thermal power burner Bc, are provided around each gas stove burner B. Is equipped with a burner ring 12 for preventing intrusion such as spilling into the apparatus body 10 from between the top plate 11 and the gas stove burner B, and a cooking container (not shown) heated by the gas stove burner B. And a pan bottom temperature sensor 14 for detecting the temperature of the bottom surface of the cooking container heated by the gas stove burner B from the center of each gas stove burner B upward. In addition, a grill portion 15 and a grill door 15a that closes the front opening of the grill portion 15 are provided, and an operation portion 17 that performs point-extinguishing operation and heating power adjustment of the burner (not shown) for the grill portion and the burner B for the gas stove is provided. Provided in front of gas stove A.

  The large thermal burner Ba, the standard thermal burner Bb, and the small thermal burner Bc have basically the same structure. The number of gas stove burners B is not limited to three, but may be one, two, four or more, and the heating power of the plurality of gas stove burners B may be the same or different, and is not limited. A part of the gas stove burner B is exposed on the top plate 11 from the burner insertion opening of the top plate 11, and the top plate 11 is a glass top plate in this embodiment, but is not limited to the glass top plate. .

  As shown in FIGS. 2, 3, and 4, the gas stove burner B is attached to and detached from the burner body 2 and the burner body 2 formed by bringing the upper burner body 2U and the lower burner body 2S into contact with each other. The burner cap 3 is freely mounted and is housed in the apparatus main body 10. Note that a cover body 34 is provided on the burner cap 3 to prevent boiled spills and the like from falling onto the burner cap 3.

  As shown in FIG. 3, the burner body 2 is formed in an annular shape (for example, an annular shape). The burner body 2 and the burner cap 3 are made of aluminum die cast. The upper surface of the burner body 2 constitutes an annular flame mouth forming portion 9.

  As shown in FIG. 2, the burner cap 3 is placed on the flame mouth forming portion 9, and a plurality of flames are formed between the flame mouth forming portion 9 and the burner cap 3 in a radially outward direction. The mouth E is formed along the circumferential direction. A part of the plurality of flame outlets E serves as an ignition flame mouth F (not shown), and a part of the plurality of flame outlets E serves as an ignition detection flame outlet Et (not shown).

  As shown in FIG. 3, a vertically long spark plug P is mounted in the vertical direction on the outer side in the engagement direction corresponding to the ignition flame F in the flame formation portion 9, and the diameter from the burner cap 3 is increased. An ignition spark is generated between an ignition spark target G (not shown) formed outward in the direction and the ignition plug P.

In addition, an ignition sensor mounting recess W that is recessed inward in the radial direction is formed at a location corresponding to the ignition detection flame outlet Et in the flame outlet E of the flame opening forming portion 9. A vertically long ignition sensor Q for detecting that a flame has been formed at the flame outlet Et is mounted on the burner body 2 in a state where the ignition sensor Q is inserted into the recess W for mounting the ignition sensor.

  As shown in FIG. 3B, the spark plug P is located slightly outward in the radial direction from the ignition sensor Q. Further, in a plan view, the ignition plug P and the ignition sensor Q are mounted on the burner body 2 with a predetermined interval S so that a fixture K described later can be disposed. Here, the predetermined interval S is an interval necessary for fixing the spark plug P and the ignition sensor Q to the burner body 2 with the fixture K described later.

  As shown in FIG. 5, the fixture K includes a fixed portion H, a first piece K1 extending from the fixed portion H, and a second piece K2 extending from the fixed portion H. To do. As shown in FIGS. 3 and 4, the fixed portion H is sandwiched between the upper burner body 2U and the lower burner body 2S, and the fixed portion H is connected to the upper burner body 2U and the lower burner body 2S. When the boss (not shown) provided in the lower burner body 2S is inserted into the rotation stop hole M formed in the fixed portion H, the fixed portion H and the upper burner body 2U are It is held between the side burner main body 2S in a non-rotating state.

  When the fixing portion H is sandwiched between the upper burner body 2U and the lower burner main body 2S in a non-rotating state, the first piece K1 is radially inward from the fixing portion H. The second piece K2 is configured to extend from the fixed portion H to the circumferential side.

  As shown in FIGS. 3 and 4, the first piece K1 holds the ignition sensor Q between the upper burner body 2U and the lower burner body 2U in a non-rotating state, and the first piece K1 holds the ignition sensor Q. The spark plug P is elastically urged toward the inner side in the radial direction with respect to 2, and the spark plug P is elastically urged against the burner body 2 in the circumferential direction by the second piece K2. In this way, the ignition sensor Q and the spark plug P are fixed to the burner body 2.

  Note that the ignition sensor Q is elastically deformed by the first piece K1 in a state in which the fixed portion H is sandwiched between the upper burner main body 2U and the lower burner main body 2S so as to prevent the ignition sensor Q from being burned. In addition, the second piece K2 is ignited by elastically deforming the second piece K2 with the fixed portion H held between the upper burner main body 2U and the lower burner main body 2S in a non-rotating state. Since the plug P is configured to be attachable to and detachable from the burner body 2, the fixture K is held between the upper burner body 2 </ b> U and the lower burner body 2 </ b> S in a non-rotating state, and then the fixture K is attached to the upper burner body. The ignition sensor Q can be attached to and detached from the burner body 2 by elastically deforming the first piece K1 without removing from between the 2U and the lower burner body 2S, and the fixture K can be attached to the upper burner body 2U. And between the lower burner body 2S Without removing the ignition plug P by deforming the second piece K2 elastically is detachable to the burner body 2.

A Gas stove B Gas burner 2 Burner main body 2U Upper burner main body 2S Lower burner main body 3 Burner cap 9 Flame opening forming part 10 Main body 11 Top plate 12 Burner ring 13 Virtue 14 Pan bottom temperature sensor 15 Grill part 15a Grill door 17 Operation part E flame outlet Et ignition detection flame outlet F ignition flame G ignition spark target K fixture H fixed part K1 first piece K2 second piece M non-rotating hole P spark plug Q ignition sensor S predetermined interval W ignition sensor Mounting recess

Claims (2)

A plurality of flame mouths and an ignition for forming a flame radially outwardly between the flame mouth formation portion and the burner cap, wherein a burner cap is placed on the annular flame mouth formation portion of the burner body A flame mouth and a flame mouth for ignition detection are formed along the circumferential direction,
The burner body is configured to abut the upper burner body and the lower burner body,
A vertically long spark plug is mounted in the vertical direction at a location corresponding to the ignition flame port in the flame mouth forming portion,
An ignition sensor mounting recess that is recessed inward in the radial direction is formed at a location corresponding to the ignition detection flame mouth of the flame mouth in the flame mouth forming portion,
A gas stove burner mounted in a state where a vertically long ignition sensor that detects that a flame has been formed in the ignition detection flame opening is inserted into the ignition sensor mounting recess,
In a form in which the spark plug is positioned radially outward from the ignition sensor, and in plan view, the spark plug and the ignition sensor are mounted at a predetermined interval,
From the fixed part sandwiched between the upper burner body and the lower burner body, the first piece extending radially inward from the fixed part, and the fixed part A fixing device including a second piece extending in the circumferential direction;
With the fixed portion held between the upper burner body and the lower burner body, the ignition sensor is elastically attached to the burner body radially inward by the first piece. And a gas stove burner in which the ignition plug and the ignition plug are fixed to the burner body by elastically urging the ignition plug in the circumferential direction with respect to the burner body by the second piece. .   The ignition sensor can be attached to and detached from the burner body by elastically deforming the first piece in a state where the fixed portion is sandwiched between the upper burner body and the lower burner body. The burner for a gas stove according to claim 1, wherein the spark plug is configured to be detachable from the burner body by elastically deforming the second piece.