JPH077865Y2 - Whistle lid support structure for water heater with whistle - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a whistle lid support structure for a water heater with a whistle having a simple structure and a small number of constituent parts.

[0002]

2. Description of the Related Art A whistle lid support structure for a water heater with a whistle is generally provided with a horizontal hole in a bracket provided on the side surface of the pouring port, and a support arm provided on the whistle lid is provided on a spindle passing through the horizontal hole. A spring pivotally mounted and secured to the bracket presses the support arm. Thus, the whistle lid is rotatable about the support shaft, and is biased by the spring to an open position for opening the pouring port and a closed position for sealing the pouring port.

Since the whistle support structure is close to the front end of the handle, the bracket, the support shaft, the spring, the whistle and screws for fixing them and the front end of the handle are fixed in a narrow space. Installation work of parts etc. is performed.
Therefore, it is desired to reduce the number of components for fixing the front end of the handle and the components of the whistle support structure and to simplify the mounting work.

Prior art relating to the whistle lid support structure includes the techniques described in Japanese Utility Model Publication No. 64-6746 and Japanese Utility Model Publication No. 3-933, and in the whistle lid support structure described in Japanese Utility Model Publication No. 64-6746, As shown in FIG. 7, a blowing lid supporting metal fitting 103, which is a bracket, is fixed to the side surface of the pouring port 102 provided in the body 101 of the water heater. The blowing lid support metal fitting 103 is provided with an inner bottom wall 105 penetrating the mounting hole 104, and a support shaft 106 inserted into the mounting hole 104.
The support arm 108 of the blowing lid 107 is pivotally attached to the support arm 108.
The spring 109 is mounted between the inner bottom wall 105 and the inner bottom wall 105, and
Bias 07 into the open and closed positions.

In the whistle support structure described in Japanese Utility Model Publication No. 3-933, as shown in FIG. 8, the body 1 of the water heater is
The outer cylinder 111 is fixed to the inner cylinder 110 provided at 01 to form the pouring port 112. The outer cylinder 111 includes a whistle mount 113, which is a bracket, and a front end 114 of the handle 114.
A connecting portion 115 with which a contacts is provided, and the whistle attaching portion 11 is provided.
The support shaft 119 attached to the support arm 118 of the whistle lid 117 is inserted into the shaft insertion hole 116 provided in the No. 3.

The front end 114a of the handle 114, the connecting portion 115, and the spring 120 are fastened by screws 121.
The whistle lid 117 is rotatable around a support shaft 119 as a fulcrum,
Since the support arm 118 is pressed by the spring 120, the whistle lid 117 is biased to the open position and the closed position.

[0007]

[Problems to be solved by the invention] Jisei Sho 64-6746
In the whistle lid support structure described in No. 1, the blowing lid support fitting 10
Although the inner bottom wall 105 is provided in 3, the screw for fixing the spring 109 is not necessary, but on the other hand, the blowing lid support fitting 10
The internal structure of 3 became complicated. Also, the blowing lid support fitting 10
Inside of 3, locking metal fitting 12 for locking the handle 122
Since 3 is fixed to the main body 101, assembly of the whistle lid support structure is complicated and difficult.

In the whistle lid support structure disclosed in Japanese Utility Model Publication No. 3-933, the spring 120 is fastened together with the handle 114 with the screw 121, so that the handle 114 can be easily attached, but the screw 121 can be screwed. It is troublesome. In order to facilitate the work of assembling the whistle support structure, it is desirable to further reduce the number of components and also reduce the material cost of the components. The present invention is intended to solve such problems, and reduces the number of equipment of the whistle support structure to reduce the assembly work cost and material cost of the whistle support structure,
It provides an inexpensive water heater with a whistle.

[0009]

In order to achieve the above object, the present invention relates to a water heater with a whistle in which a pouring spout provided in the main body is opened and closed with a whistle lid, and a long hole and a key for inserting a spindle into both side walls. An opening long hole is provided and a key fixing hole is bent and extended in the key inserting long hole to fix a palate mounting metal fitting to the side surface of the pouring port, and the palate mounting metal fitting is inserted into the front end of the handle. A concave portion is formed, keys are provided on both inner wall surfaces of the concave portion, a finger hooking protrusion is provided on a lid portion inside which the whistle is provided, and a whistle lid having a supporting arm at the lower end of the finger hooking protrusion is provided on the whistle lid. Providing a support shaft protruding from both side walls and inserted into the support shaft inserting long hole, by a spring mounted between the key and the support arm,
The whistle lid is biased to the open position and the closed position to form a whistle lid support structure for a water heater with a whistle.

[0010]

The operation of the whistle lid supporting device of the water heater with a whistle constructed as described above is as follows. When the key at the front end of the handle is inserted into the key fixing hole via the key insertion long hole of the palate mounting bracket, the front end of the handle is fixed to the palate mounting bracket. After inserting the spring into the palate mount, insert the support shaft of the whistle into the end of the long hole for supporting shaft of the palate mount, and the support arm of the whistle is pushed by the spring, and the support shaft It is pressed against the end of the insertion slot.

Therefore, the whistle lid is rotatable about the supporting arm, and when the finger hook projection is rotated, the whistle lid is rotatable from the open position in the standing state to the closed position for closing the pouring port. The whistle lid is urged to the open position and the closed position by the support arm pushed by the spring. Since the front end portion of the handle is already fixed to the palate fitting, only the rear end portion needs to be attached to the main body.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a fragmentary front view of a water heater, FIG. 2 is a partially enlarged view of FIG. 1, and FIG. 3 is an exploded perspective view of a whistle lid support structure. 4 shows a longitudinal sectional view of the front end of the handle. As shown in FIG. 2, a pouring port 2 is fixed to the body 1 of the water heater, and a small hole 3 for inserting a tack is formed in the body 1 near the pouring port 2.
The palate mounting bracket 4 fixed to the side surface of the pouring port 2 has a bottom wall 5
A standing wall 6 bent from the bottom wall 5, and side walls 7 bent and extended from both side ends of the standing wall 6, and projections 8 are provided at the end edges of both side walls 7, respectively. A small hole 9 for inserting a tack is formed in the wall 5 (see FIG. 3).

The protrusion 8 is bent after being inserted into an elongated hole (not shown) formed in the side surface of the pouring port 2, and the palate mounting metal fitting 4 is fixed to the pouring port 2. Further, the tacks 10 inserted into the tack holes 3 and 9 are caulked, and the palatal fitting 3 is fixed to the main body 1. On both side walls 7 of the palate fitting 4, a J-shaped elongated hole 11 for inserting a spindle is opened at the upper edge.
Then, a long hole 12 for inserting a key which is opened in the upright wall 6 is provided, and a hole 13 for fixing a key which is bent toward the bottom wall 5 is provided at the tip of the long hole 12 for inserting a key.

A concave portion 15 for accommodating the palate fitting 4 is formed in the front end portion 14a of the handle 14, and square keys 17 are provided on the inner surfaces of both side walls 16 of the concave portion 15 (FIGS. 4 and 5). , See FIG. 6). When both keys 17 are inserted into the key fixing holes 13 via the key inserting slots 12, respectively,
The front end portion 14 a of the handle 14 is fixed to the palate fitting 4.

After the front end portion 14a of the handle 14 is fixed to the palate fitting 4, the spring 1 is placed inside the palate fitting 4.
8 is inserted. As shown in FIG. 3, the spring 18 includes an inclined portion 18 that is obliquely bent at the upper end of a flat plate-shaped base portion 18a.
b is formed, and the tip portion 18c of the inclined portion 18b is bent upward. A curved portion 18d having a U-shape is formed at the lower end of the base portion 18a, and a locking portion 18e that bends outward from the tip of the curved portion 18d. Key fixing hole 13
Between the key 17 and the recess 15 inserted in the
When the c is fitted, the spring 18 moves the front end portion 14 of the handle 14.
supported by a.

The whistle lid 19 is provided with a finger hooking protrusion 22 extending upward at an end of a lid portion 21 in which the whistle 20 is installed, and a supporting arm 23 extending downward is provided at a lower end portion of the finger hanging protrusion 22. A support shaft 24 is provided so as to project from both side surfaces of the support arm 23. When the support shaft 24 is inserted into the end portion of the J-shaped support shaft insertion long hole 11, the support arm 23 is pressed by the spring 18, so that the support shaft 24 is pressed against the end portion of the support shaft insertion long hole 11. At the same time, the whistle lid 19 is biased to a closed position where the pouring port 2 is closed and an open position where the pouring port 2 is almost fully opened.

At the rear end portion 14b of the handle 14, the main body 1
A recess 26 is provided on the side end surface 25, a screw seat 27 is provided on the opposite surface of the recess 26, and a screw insertion hole 28 penetrating the recess 26 and the screw seat 27 is formed (see FIG. 1). In the main body 1, both legs of the fixing metal fitting 29 are fixed to the main body 1 at positions where the concave portion 25 is desired, and a screw hole 31 is screwed in the central portion of the fixing metal fitting 29.

When the front end portion 14a of the handle 14 is fixed to the palate mounting metal fitting 4, a gap is formed between the end surface 25 of the rear end portion 14b and the main body 1. Next, when the screw 32 inserted into the screw insertion hole 28 is screwed into the screw hole 31, the end face 25 is pressed against the main body 1, and the key 17 of the front end portion 14a is pulled in the direction of arrow F in FIG. , Press contact with the side surface of the key fixing hole 13. Reference numeral 33 shown in FIG. 1 is a lid of the water heater.

Next, the operation of the water heater with a whistle will be described. The front end portion 14a of the handle 14 is supported by the palate mounting metal fitting 4 into which the key 17 is fitted, and the rear end portion 14b is supported by the screw 32 of the fixing metal fitting 29. Whistle lid 19
Is a support shaft 2 that is pressed against the end of the support shaft insertion slot 11.
4 is a fulcrum, and when the finger hook projection 22 is rotated, the lid 21 opens and closes the pouring port 2, and the lid 21 urged by the spring 18 opens the pouring port 2 completely. It is held in a closed position in which it stands upright or almost upwards.

As described above, the whistle lid support structure is composed of only the three parts of the palate mounting metal fitting 4, the spring 18, and the whistle lid 19, and the tacks 3 for fixing the palate mounting metal fitting 4 to the conventional whistle. Compared with the lid support structure, the number of constituent parts is extremely small and there is no screwing work as in the prior art, so the work of assembling the constituent parts is simple and easy. Further, since the whistle lid supporting structure doubles as the supporting structure of the front end portion 14a of the handle 14, the attaching work of the handle 14 is simple and easy.

[0021]

Since the present invention is constructed as described above, the number of components of the whistle support structure is much smaller than the conventional one. Moreover, since the whistle lid is supported and the front end portion of the handle is also supported at the same time, the work of assembling the water heater is facilitated, the material cost is reduced, and the water heater can be provided at a lower cost than the conventional one.

[Brief description of drawings]

FIG. 1 is a cutaway front view of essential parts of a water heater.

FIG. 2 is a partially enlarged view of FIG.

FIG. 3 is an exploded perspective view of a whistle support structure.

FIG. 4 is a vertical sectional view of a front end portion of a handle.

5 is a view on arrow X in FIG. 4. FIG.

FIG. 6 is a view on arrow Y of FIG.

FIG. 7 is a partially broken longitudinal sectional view showing a conventional example of a water heater with a whistle.

FIG. 8 is a vertical cross-sectional view showing another conventional example of a water heater with a whistle.

[Explanation of symbols]

 1 main body 2 pouring spout 4 palate mounting bracket 7 side wall 8 protrusion 11 long hole for spindle insertion 12 long hole for key insertion 13 key fixing hole 14 handle 14a front end 15 recess 16 side wall 17 key 18 spring 19 whistle lid 20 whistle 21 Lid 22 Finger-hanging protrusion 23 Support arm 24 Spindle 29 Fixing bracket 32 Screw

Claims (1)

[Scope of utility model registration request] 1. A water heater with a whistle in which a pouring port provided in a main body is opened and closed with a whistle lid, wherein a long hole for a spindle and a long hole for a key are provided on both side walls, and a key is fixed to the long hole for a key. A palate mounting metal fitting with a bent hole is fixed to the side surface of the pouring port, a recess is formed at the front end of the handle into which the palate mounting metal fitting is inserted, and keys are projected on both inner wall surfaces of the recess. Then, a finger hook protrusion is provided on the lid portion inside which the whistle is installed, and a whistle lid having a support arm at the lower end of the finger hook protrusion is inserted into the long hole for inserting the spindle by protruding from both side walls of the support arm. A whistle support structure for a water heater with a whistle, characterized in that a shaft is provided and the whistle lid is biased to an open position and a closed position by a spring mounted between the key and the support arm.