JP2015040690A - Governor for cassette stove with safety member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a governor for a cassette stove with a safety member, in which the mounting of a cassette cylinder to the governor is disabled by a safety member of a simple structure, when an operation knob is set in a state to open a valve mechanism.SOLUTION: A governor for a cassette stove with a safety member is characterized as follows: the safety member disabling the mounting of a cassette cylinder to the governor has both ends of the front and back that are folded by 90 degrees in the same direction and forms the mounting part to the governor; also, through-holes for turnably pivoting it are drilled at the front and rear surfaces of the governor in the mounting part; further, a projection piece is provided for coming into abutment with a protrusion provided at the back side of an operation knob in the inside surface of the front mounting part; also, a fitting inhibition bar is provided which is projectingly provided toward the rear on the side upper part of the rear mounting part; and the fitting inhibition bar is positioned in the front surface of the flange of the cassette cylinder going to be fitted and inhibits the fitting, when the operation knob is in a position of opening a gas supply path to a burner.

Description

  The present invention relates to a governor provided with an operation knob for fitting a cassette cylinder, opening and closing a gas supply path from the cassette cylinder to the burner, igniting the gas burner, and adjusting a gas supply amount, The present invention relates to a cassette cooker governor with a safety member that disables the fitting of the cassette cylinder when the operation knob is at a position where a gas supply path is opened.

In a conventional tabletop gas stove (hereinafter abbreviated as a stove), gas is supplied from the cassette cylinder to the stove by pushing down the safety lever, fitting the cassette cylinder into the governor, and pushing the cassette cylinder stem into the gas supply port. In this case, there is a risk that the gas supplied from the cassette cylinder is released from the burner when the operation knob of the stove opens the supply path of the gas from the cassette cylinder to the burner. Therefore, in such a stove, a mechanism is provided to prevent the danger by preventing the safety lever from being pushed down when the operation knob is in a state where the gas supply path to the gas burner is opened. Yes.
However, in this type of stove, the safety lever must be pushed up in order to change from the cassette cylinder mounted state to the detached state, or the operation is troublesome, or the reset of the abnormal pressure safety mechanism is pushed with a screwdriver etc. According to Patent Document 1 and Patent Document 2, it is possible to open and close the gas supply path by operating the operation knob and rotating the operation shaft, and by operating the ignition device from the burner. There is no safety lever that can ignite the gas to be released and adjust the gas supply amount, and can change the gas cylinder from the attached state to the detached state, and also reset the abnormal pressure safety mechanism by rotating the operating shaft A “cassette stove gas cylinder attaching / detaching device” and a “cassette stove” using the same device are disclosed.
Patent Document 3 discloses that
“Operate a governor 2 having a gas passage 1 through which gas discharged from a nozzle portion of a detachably attached gas container flows to an operating portion, and a valve body 3 that opens and closes the gas passage and adjusts the gas flow rate. Therefore, a gas appliance having a rotatable instrument plug shaft 4 provided in a governor, and when pushed by the gas container, a retractable member 5 that moves forward against a spring force is substantially the same as the instrument plug shaft. Only when the instrument plug shaft is in the fire extinguishing position, it has a notch 6 through which the protruding and retracting member pushed by the gas container is allowed to pass. Gas appliance safety device provided with a spring-biased safety lever 7 on the plug shaft "
Is disclosed. This governor has a gas container holding means “consisting of a yoke that constitutes a magnetic circuit that is magnetically attracted to the container flange F and a permanent magnet that is housed inside the yoke, and no safety lever is used.

Japanese Patent No. 2726985 Japanese Patent No. 3494794 Japanese Patent Application Laid-Open No. 3-232321

The above-mentioned “gas cassette attaching / detaching device for cassette cooker” in Patent Document 1 and “safety device for cassette cooker” in Patent Document 2 open and close the open / close valve with one operation knob, and adjust the gas supply amount along with ignition and extinguishing of the burner In addition, the cassette cylinder can be detached and the abnormal pressure safety mechanism can be reset, but the structure becomes complicated to that extent, and there is a concern that the manufacturing cost will rise.
In addition, the “safety device for gas appliances” of Patent Document 3 is provided by a safety lever having a protruding and retracting member that moves forward against a spring force and a notch that allows the protruding and retracting member to pass when pushed by a gas container (cassette cylinder). The gas container can be attached only when the instrument plug shaft is in the fire extinguishing position. Although the structure is simpler than that of the invention of Patent Document 1, its components are provided inside the governor. Therefore, there is a problem that assembly and maintenance are not easy.
The present invention has been made in view of the problems of the background art described above, and by providing a safety member with a simple structure outside the governor, when the operation knob is at the gas supply position to the burner, the safety member An object of the present invention is to provide a cassette cooker governor with a safety member in which the fitting prevention bar provided is brought into contact with the front surface of the flange of the cassette cylinder so that the cassette cooker cannot be fitted.

The present inventor has solved the above problems by the following means.
(1) A governor equipped with an operation knob for fitting a cassette cylinder, opening and closing a gas supply path from the cassette cylinder to the burner, igniting the gas burner, and adjusting a gas supply amount. There,
When the operation knob is in a position where the gas supply path is open, the cassette cylinder cannot be fitted into the governor, and when the gas supply path is in a closed position, the cassette cylinder is mounted in the governor. A cassette cooker governor with a safety member, comprising a safety member that enables the safety.
(2) The safety member has both front and rear end portions bent 90 degrees in the same direction to form a mounting portion for the governor, and the mounting portion is pivotally supported on the front and rear surfaces of the governor so as to be pivotally supported. A plate-like arm with holes,
On the inner side surface of the mounting portion at the front part of the arm, there is a protruding piece that comes into contact with the protruding portion provided on the back surface of the operation knob. The governor for a cassette stove with a safety member according to (1), characterized in that it has protruding fitting prevention bars, all of which are integrally formed.
(3) The safety member is inserted into the through hole of the front mounting portion, and the fitting prevention bar of the rear mounting portion is fitted by a spiral spring wound around a bolt that pivotally supports the safety member on the governor. When the operation knob is rotated to a position where the gas supply path is closed, the protrusion on the back surface of the operation knob is The safety member abuts against the protrusion on the front mounting portion of the safety member and pushes up, and the safety member is rotated counterclockwise against the spring force to bring the fitting prevention bar into contact with the front surface of the flange of the cassette cylinder. The cassette cooker governor with a safety member according to (1) or (2), wherein the governor is configured to be moved to a position not to be moved.

The following effects can be exhibited by the tabletop gas stove with a safety member of the present invention.
<1> A governor equipped with an operation knob for fitting a cassette cylinder, opening and closing a supply path of gas from the cassette cylinder to the burner, igniting the gas burner, and adjusting a gas supply amount,
When the operation knob is in a position where the gas supply path is open, the cassette cylinder cannot be fitted into the governor, and when the gas supply path is in a closed position, the cassette cylinder is mounted in the governor. Because it is equipped with a safety member that enables
In the cassette stove provided with this gas burner, there is no risk of gas release from the gas burner by mounting the cassette cylinder regardless of the position of the operation knob, and a safe and easy-to-use desktop gas stove can be provided.
<2> The safety member has both front and rear end portions bent 90 degrees in the same direction to form a mounting portion to the governor, and the through-hole for pivotally supporting the mounting portion on the front and rear surfaces of the governor. A plate-like arm with holes,
On the inner side surface of the mounting portion at the front part of the arm, there is a protruding piece that comes into contact with the protruding portion provided on the back surface of the operation knob. Since it has a protruding fitting prevention bar, all of which are integrally formed,
The structure is extremely simple and can be manufactured by simply punching a single metal plate into a predetermined mold and bending the necessary part, and the mounting part to the governor is pivotally supported on the front and rear surfaces of the governor, It only has to be urged by a helical spring inserted into the through hole of the front mounting portion, screwed into the governor, and wound around the bolt serving as the support shaft of the safety member. A cassette stove governor can be provided.
<3> The safety member is inserted into the through hole of the front mounting portion, and the fitting prevention bar of the rear mounting portion is fitted by a spiral spring wound around a bolt that pivotally supports the safety member on the governor. When the operation knob is rotated to a position where the gas supply path is closed, the protrusion on the back surface of the operation knob is The safety member abuts against the protrusion on the front mounting portion of the safety member and pushes up, and the safety member is rotated counterclockwise against the spring force to bring the fitting prevention bar into contact with the front surface of the flange of the cassette cylinder. Since the cassette stove with this burner is configured to be moved to a position not to be moved, there is no risk of gas release from the gas burner due to the installation of the cassette cylinder, regardless of the position of the operation knob. Easy cassette stove used in all can be provided.

FIG. 3 is an external perspective view of a cassette cooker governor with a safety member according to the present invention; (a) perspective view from the front operation knob side; and (b) perspective view from the rear cassette cylinder fitting portion side. External perspective view of safety member (a) Perspective view from front operation knob side (b) Perspective view from rear cassette cylinder fitting part side Front view of governor and control knob part (a) When the control knob is in a position where the gas supply path to the gas burner is closed (b) When the control knob is in a position where the gas supply path is open Appearance perspective view of the governor and the operation knob portion from the rear fitting portion side (a) When the operation knob is in a position in which the gas supply path to the gas burner is closed (b), the operation knob is connected to the gas supply path. When in the open position Explanatory drawing of cassette cylinder fitting impossible when the operation knob is at a position in which the gas supply path to the gas burner is opened

EMBODIMENT OF THE INVENTION The form for implementing the governor for cassette cookers with a safety member of this invention is demonstrated based on the figure of an Example.
FIG. 1 is an external perspective view of a cassette cooker governor with a safety member according to the present invention, FIG. 2 is an external perspective view of the safety member, and FIGS. 1 and 2 are perspective views from the front operation knob side, (B) has shown the perspective view from the back cassette cylinder fitting part side.
3 is a front view of the governor and the operation knob portion, and FIG. 4 is an external perspective view of the governor and the operation knob portion from the rear cassette cylinder fitting portion side, both of which (a) shows the gas to the burner. When the supply passage is in the closed position, (b) shows the operation knob in the open position.
FIG. 5 is an explanatory diagram showing that the cassette cylinder cannot be fitted when the operation knob is in a position where the gas supply path to the gas burner is opened.
In the figure, 1 is a governor, 2 is an operation knob, 3 is a safety member, 4 is an arm, 4a and 4b are mounting parts, 4c is a through hole, 5 is a protruding piece, 6 is a fitting prevention bar, G is a cassette cylinder, Ga Is a notch, Gf is a flange, and O is a rotating shaft.

As shown in FIG. 1, a cassette cooker governor 1 with a safety member according to the present invention is fitted with a cassette cylinder G, opens and closes a gas supply path from the cassette cylinder G to the burner, and ignites the gas burner. And an operation knob 2 for adjusting the gas supply amount, and when the operation knob 2 is in a position where the gas supply path is opened, the fitting of the cassette cylinder G to the governor 1 is disabled. When the supply path is in a closed position, a safety member 3 that enables the cassette cylinder G to be mounted on the governor 1 is provided.
As shown in FIG. 2, the safety member 3 has its front and rear ends bent 90 degrees in the same direction to form mounting portions 4a and 4b to the governor 1, and the mounting portions 4a and 4b have governors. A plate-like arm 4 having a through hole 4c for pivotally supported on the front and rear surfaces of 1;
The inner side surface of the mounting portion 4a at the front portion of the arm 4 has a protruding piece 5 that comes into contact with the protruding portion provided on the back surface of the operation knob 2, and the upper side surface of the mounting portion 4b at the rear portion of the arm 4 Has a fitting prevention bar 6 protruding rearward, all of which are integrally formed.

Next, the operation and operation of the safety member-equipped governor 1 of the present invention will be described with reference to FIGS.
The safety member 3 is inserted into the through hole 4c of the front mounting portion 4a, and is supported by a spiral spring (not shown) wound around a bolt that is pivotally supported by the safety member 3 on the governor and becomes the rotation axis O. The fitting prevention bar 6 cut through the rear mounting portion (4b) is urged to rotate in a direction contacting the front surface of the flange Gf of the cassette cylinder G to be fitted. Therefore, as shown in FIG. 3B, when the operation knob 2 is in a position where the gas supply path is closed, the safety member 3 is a cassette cylinder G to which the fitting prevention bar 6 is to be fitted by the spring. [Fig. 4 (b) and Fig. 5]] The fitting when the gas supply path from the gas cylinder G to the burner is closed is prevented.
As shown in FIG. 3A, when the operation knob 2 closes the gas supply path to the burner of the governor 1, a protrusion (not shown) provided on the back surface of the knob 2 is formed on the safety member 3. Since the protruding piece 5 is pushed up by abutting against the protruding piece 5 of the front mounting portion 4a, the safety member 3 rotates counterclockwise against the spring force, and the fitting prevention bar is moved to the flange of the cassette cylinder. It is moved to a position that does not contact the front surface (see FIG. 4A). Therefore, the cassette cylinder G can be fitted into the governor 1 only when the gas supply path of the governor 1 is closed.

  The holding mechanism for the cassette cylinder G of the governor 1 for a cassette stove with a safety member of the present invention may be any mechanism that can hold the cassette cylinder G reliably and stably, and is based on magnetic adsorption by a permanent magnet described in Patent Document 2. In addition, as disclosed in Patent Document 3, an attachment / detachment device that fits into an annular recess formed on the inner peripheral surface of the flange member of the cassette cylinder G and presses and fixes to the inner peripheral surface by some means, etc. Can be used.

1: Governor 2: Operation knob 3: Safety member 4: Arm 4a, 4b: Mounting portion 4c: Through hole 5: Projection piece 6: Fitting prevention bar G: Cassette cylinder Ga: Notch portion Gf: Flange O: Rotating shaft

Claims (3)

An operation knob (2) for fitting the cassette cylinder (G), opening and closing the gas supply path from the cassette cylinder (G) to the burner, and igniting the gas burner and adjusting the gas supply amount. A governor (1) with
When the operation knob (2) is at a position where the gas supply path is opened, the cassette cylinder (G) cannot be fitted into the governor (1), and the gas supply path is closed. A cassette cooker governor with a safety member, comprising a safety member (3) that sometimes allows the cassette cylinder (G) to be attached to the governor (1). The safety member (3) has its front and rear ends bent 90 degrees in the same direction to form mounting portions (4a, 4b) to the governor (1), and the mounting portion (4a, 4b) has a governor (1 A plate-like arm (4) having a through hole (4c) for pivotally supported on the front and rear surfaces of
The inner surface of the mounting portion (4a) at the front of the arm (4) has a protruding piece (5) that comes into contact with the protruding portion (2a) provided on the back surface of the operation knob (2). The upper part of the side surface of the mounting part (4b) at the rear part of the arm (4) has a fitting prevention bar (6) projecting rearward, all of which are integrally formed. A governor for a cassette stove with a safety member according to claim 1. The safety member (3) is mounted on the rear portion by a spiral spring that is inserted into the through hole (4c) of the front mounting portion and wound around a bolt that pivotally supports the safety member (3) on the governor (1). The fitting prevention bar (6) of the portion (4b) is biased so as to rotate in a direction contacting the front surface of the flange (Gf) of the cassette cylinder (G) to be fitted, and the operation knob (2) is When the gas supply path is turned to the closed position, the protrusion on the back surface of the operation knob (2) contacts the protrusion (5) of the mounting portion (4a) at the front of the safety member (3). A position where the safety member (3) is rotated counterclockwise against the spring force so as not to contact the front surface of the flange (Gf) of the cassette cylinder (G). The safety part according to claim 1, wherein the safety part is configured to be moved to the safety part. Cassette stove governor attached.

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