JPS6143098Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention is an ignition device for a gas burner, more specifically, an ignition device for a gas burner that includes a hammer and an ignition element that generates a spark when struck by the hammer and ignites the gas burner with the spark. Its main purpose is to attach the hammer and ignition element to the mounting plate so that it can be attached to the gas burner of various gas appliances, and its other purpose is to make it easy to assemble. An object of the present invention is to provide a structure that can securely hold a hammer and an ignition element.

Hereinafter, embodiments of the present invention will be described based on the drawings. In the gas burner ignition device according to the present invention, a coil spring 3 and an ignition element 4 are aligned in the long hole 1 of a mounting plate 2 through a hammer 5 along the longitudinal direction in the long hole 1 of a mounting plate 2 having a long hole 1 penetrating both sides. The ignition device is an ignition device in which the ignition elements 4 arranged in a line are struck by a hammer 5 to generate a spark, which ignites a gas burner. The coil spring 3 has a projection 7 that projects from one longitudinal end of the elongated hole 1, and the groove 6 is fitted to both sides of the elongated hole 1 in the width direction so as to be movable along the longitudinal direction of the elongated hole 1. One end is fitted into the ignition element 4, and the other end is fitted into a holding hole 8 formed on the rear surface of the hammer 5 to bias the hammer 5 toward the ignition element 4. The ignition element 4 is fitted into the elongated hole 1, and the locking stepped portions 9 are locked on both sides of the elongated hole 1 in the width direction on the surface side of the mounting plate 2. A mounting bracket 13 is arranged to cover the protruding portion of the ignition element 4 toward the surface of the mounting plate 2, and the mounting bracket 13 locks the legs 12 and 21 extending from the holding plate 10 that covers the ignition element 4 to the circumference of the elongated hole 1. It is fixed to the mounting plate 2. In this embodiment, as shown in FIG. 1, the hammer 5 is moved in the direction in which the coil spring 3 is compressed, and the force in the compression direction is released when the coil spring 3 is compressed by a predetermined amount. An example is shown in which an ignition lever 30 that causes the hammer 5 to collide with the ignition element 4 by the spring force of the coil spring 3 is arranged on the mounting plate 2. As shown in FIG. 1, a long hole 1 is formed in the mounting plate 2. The elongated hole 1 is formed into a substantially rectangular shape, and a protrusion 7 is provided protruding from one end edge in the longitudinal direction.
One end of the elongated hole 1 near the projection 7 in the longitudinal direction serves as a hammer attachment portion 14 to which the hammer 5 is attached, and the other end of the elongated hole 1 serves as an element attachment portion 15 to which the ignition element 4 is attached. The element mounting portion 15 is formed to have a larger length in the width direction than the hammer mounting portion 14 . An element mounting portion 1 is provided at the center of the long hole 1 in the longitudinal direction.
An ignition window 16 wider than 5 is formed.
The periphery of the ignition window 16 and the periphery of the hammer mounting portion 14 are continuous via a taper 17, and the periphery of the ignition window 16 and the periphery of the element mounting portion 15 are continuous via a locking edge 18 perpendicular to the longitudinal direction of the elongated hole 1. Notches 11 are formed on both sides of the element mounting portion 15 in the width direction, respectively. Grooves 6 are formed on both sides of the hammer 5 in the width direction to engage with both side edges of the hammer mounting portion 14.
A mallet rod 19 projects from one end surface on the 5 side. A holding hole 8 is formed at one end of the hammer 5 opposite to the hammer rod 19, and one end of the coil spring 3 is inserted into this holding hole 8. The other end of the coil spring 3 fits into a protrusion 7 provided at one end of the elongated hole 1. As a result, the coil spring 3 is held between the protrusion 7 and the hammer 5, and biases the hammer 5 toward the ignition element 4. The width of the hammer 5 is formed to be approximately equal to the width of the element mounting portion 15. The ignition element 4 is formed in the shape of a rectangular parallelepiped, and as shown in FIG. This prevents the ignition element 4 from slipping out to the back side of the mounting plate 2. A firing rod 20 protrudes from the surface of the ignition element 4 facing the hammer 5, and a hammer rod 19 protruding from the hammer 5 collides with the firing rod 20, thereby causing sparks to fly out from the ignition window 16. The surface of the ignition element 4 opposite to the protruding surface of the firing rod 20 in the longitudinal direction contacts one longitudinal end edge of the elongated hole 1 . A mounting bracket 13 is attached to the ignition element 4 on the surface side of the mounting plate 2. The mounting bracket 13 is the fourth
As shown in the figure, a pair of holding legs 12 are attached to the notches 11 of the elongated hole 1 from both sides in the width direction of a presser plate 10 that is arranged substantially parallel to the surface of the mounting plate 2 and holds the ignition element 4. The spring leg 21 is formed in such a shape that it extends along the side surface of the ignition element 4 from one end of the ignition element 4 on the striking rod 20 side in the longitudinal direction of the holding plate 10 .
An engaging protrusion 22 is formed at the tip of the holding leg 12 to protrude in the same direction as the firing rod 20, and the side edge of the engaging protrusion 22 on the tip side of the holding leg 12 extends from the tip of the holding leg 12 toward the base. The slanted edge 23 is slanted in a direction in which the edges are widened. The spring leg 21 is the holding leg 12
The spring leg 2 has a spring force in the direction of reducing the distance between the
An engaging piece 24 that engages with the locking edge 18 of the elongated hole 1 is provided at the tip end of the holding leg 12 to protrude toward the holding leg 12 .
A through hole 25 through which the firing rod 20 of the ignition element 4 is inserted is formed in the center of the spring leg 21 . Also, presser plate 1
An upright piece 26 stands up from one end of the spring leg 21 on the side opposite to the ignition element 4 in the longitudinal direction. Incidentally, an ignition lever 30 is rotatably attached to the mounting plate 2. The ignition lever 30 is formed in such a shape that a drive piece 28 protrudes from a disc-shaped rotating plate 27. A substantially rectangular attachment hole 29 is provided through the rotating plate 27 . However, when the ignition lever 30 rotates counterclockwise in FIG.
8 presses the hammer 5 to move it in the direction in which the coil spring 3 is compressed, and further rotates the ignition lever 30, the engagement between the hammer 5 and the driving piece 28 is released, and the hammer 5 is moved by the spring force to the ignition element 4. It moves rapidly toward the destination. In this way, the ignition element 4 is struck by the hammer 5, and sparks fly out from the ignition window 16.

The present invention has the above-mentioned configuration, and the assembly order thereof will be explained below. First, the coil spring 3 is inserted into the elongated hole 1, and one end of the coil spring 3 is inserted into the protrusion 7 provided on one edge of the elongated hole 1. Next, move the hammer 5 from the element mounting portion 15 to the hammer mounting portion 14.
Insert one towards the That is, the element mounting portion 15
Since the hammer 5 and the hammer 5 are formed to have approximately the same width, the hammer 5 can be inserted into the element mounting portion 15, and if it is slid as it is, it will be guided by the taper 17 of the elongated hole 1 and touch both sides of the hammer mounting portion 14. The grooves 6 on both sides of the hammer 5 can be easily inserted into the edge. After the hammer 5 is inserted into the elongated hole 1 in this manner, the ignition element 4 is fitted into the element attachment part 15 to hold the hammer 5 between the coil spring 3 and the ignition element 4, and then the attachment fitting 13 is engaged. With the mating piece 24 engaged with the locking edge 18 of the elongated hole 1, the holding leg 12 is inserted into the notch 1.
1, the inclined edge 23 comes into contact with the periphery of the notch 11 and fits into the notch 11 while pulling the spring leg 21. When the engaging protrusion 22 gets over the periphery of the notch 11, the spring force of the spring leg 21 causes the retaining leg 12 to be pushed in. The mounting plate 2 is held between the spring leg 21 and the mounting plate 2, and the mounting bracket 13 is fixed to the mounting plate 2 so as not to move along the longitudinal direction of the elongated hole 1. Also, at this time, the engagement piece 24 engages with the locking edge 18 and the engagement protrusion 22 engages with the peripheral edge of the notch 11, so that the mounting bracket 13 is held so that it does not come off toward the surface of the mounting plate 2. be done. As described above, the ignition element 4 is securely held on the mounting plate 2 by the locking step portion 9 and the mounting bracket 13.

Since the present invention is constructed as described above, the hammer and the ignition element can be mounted on the mounting plate, and it is possible to provide a gas burner ignition device that can be mounted to correspond to the gas burners of various gas appliances. , the hammer and ignition element are placed in the long hole formed in the mounting plate, and the ignition element is held by the locking step formed on the side of the ignition element and the mounting bracket that is locked to the mounting plate, making assembly easy. It has the advantage that it is easy and the hammer and ignition element can be held securely.

[Brief explanation of the drawing]

Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a front view of the same as above, FIG. 3 is a side view of the ignition element used in the same, FIG. 4 is a perspective view of the mounting bracket used in the same, and FIG. 5 is a side view of the hammer used in the same. 1 is a long hole, 2 is a mounting plate, 3 is a coil spring, 4 is an ignition element, 5 is a hammer, 6 is a groove, 7 is a protrusion, 8 is a holding hole, 9 is a locking step, 10
11 is a notch, 12 is a holding leg, 13 is a mounting bracket, and 21 is a spring leg.

Claims (1)

[Scope of utility model registration request] A coil spring and an ignition element are lined up in a straight line along the longitudinal direction inside the long hole of the mounting plate, which has a long hole penetrating both the front and back sides, using a hammer, and when the ignition element is struck with the hammer, a spark is generated. The hammer is an ignition device that ignites a gas burner with the spark generated, and the hammer has grooves corresponding to both widthwise edges of the slotted hole, and the grooves are fitted to both widthwise edges of the slotted hole. The coil spring is movable in the longitudinal direction, and one end of the coil spring is fitted into a projection protruding from one longitudinal end of the elongated hole, and the other end is fitted into a holding hole formed on the rear surface of the hammer. The hammer is urged toward the ignition element, and the ignition element is provided with a locking step, and the ignition element is fitted into the elongated hole. A mounting bracket is arranged on the mounting plate surface side to cover the protruding part of the ignition element toward the mounting plate surface side, and the mounting bracket engages the leg extending from the holding plate that covers the ignition element to the periphery of the elongated hole. Ignition device for gas burner that is stopped and fixed to the mounting plate.