JPH0448768Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an electric kettle equipped with a kettle lamp and a heat-retaining lamp.

<Conventional technology> Conventionally, electric pots have a low cylindrical inner container.
A shoulder member is provided at the front of the receiving portion, the receiving portion having an opening in the center that communicates with the mouth of the inner container, and the beak portion communicating with the upper end of the receiving portion, opening at the bottom, and being hollow inside.
A shoulder member is connected to the upper end of the outer case surrounding the inner container, a bottom member is connected to the lower end, a discharge mechanism is provided to discharge the liquid inside the inner container to the outside, and a lid body with a built-in bellows pump is attached to the top surface of the shoulder member. A heating element consisting of a main heater and an auxiliary heater is provided to boil the liquid in the inner container and keep it warm, and a temperature controller is provided to sense the temperature of the liquid in the inner container and turn the heating element on and off.
A water boiling lamp and a heat preservation lamp are provided to indicate the boiling state or heat preservation state of the liquid in the inner container, and the water boiling lamp or heat preservation lamp is turned on depending on the water boiling state or the heat preservation state, and a mechanism for discharging the liquid in the inner container by the pressure of the bellows pump is provided. However, in this type of electric pot, the front wall of the beak of the shoulder member is inclined diagonally downward, and the discharge pipe of the liquid discharge mechanism is routed inside the beak along the slope of the front wall. A display window for the water boiling lamp and the heat-retaining lamp is provided on the front wall of the beak, which is the front wall of the discharge pipe, and a storage case for accommodating each lamp is provided on the back wall of the display window. After each lamp was stored inside, each storage casing was closed using a holding plate and screwed in to secure each lamp, resulting in a complex structure and a small beak inside, yet still small. It is very troublesome to attach the lamp with the wiring still connected to the lamp, and it is difficult to fix the holding plate with screws to the front wall of the beak within the narrow interior of the beak, making the work difficult and resulting in a high defect rate. It was hot.

<Purpose of the invention> The present invention has been made in view of the above points, and it has a simple structure, and each lamp is extremely easy to install and can be fixed easily, making the work easy and reducing the defective rate. There is a provision of an electric kettle.

<Structure of the invention> According to the invention, a holding plate fitting part into which the upper part of the holding plate can be inserted is bored in the upper inner front wall of the hollow beak part of the shoulder member, and the lower end of the front wall of the beak part is bored. The presser plate is provided with a locking part for the presser plate that comes into contact with the lower part of the presser plate, while the presser plate has a vertically long flat plate part in the center, and an upper insertion part that fits into the fitting part for the presser plate on the beak at the upper end. A lower engaging part bent at an acute angle is provided at the lower end of the beak to abut the locking part for the holding plate and screwed from below, and a recessed part for inserting a water boiling lamp and a heat-retaining lamp is provided in the flat plate part of the holding plate. Provided respectively,
The objective is to be achieved only by forming the recesses substantially perpendicularly to the longitudinal direction of the flat plate part.

<Embodiment of the invention> Hereinafter, an embodiment of the invention will be described based on a drawing of an electric pot using air pressure.

The electric pot 1 includes an inner container 3 surrounded by an outer case 2, and a shoulder member 4 connected to the upper end of the outer case 2.
, a lid body 6 incorporating a bellows pump 5, a discharge mechanism 7 for discharging the liquid in the inner container, a heating element 8 for heating the liquid in the inner container, and sensing the temperature of the liquid in the inner container or the atmospheric air. to turn heating element 8 on and off
The inner container is composed of a temperature regulator 9 and a bottom member 10 that covers the bottom inside the inner container.

The inner container 3 is formed into a low cylindrical shape from a metal material such as stainless steel, has a wide mouth at the upper end, and is provided with a flange that expands outward at the tip of the wide mouth. The flange portion of the inner container 3 is tightly joined to the lower surface of a peripheral wall forming a central opening of a receiving portion of a shoulder member 4, which will be described later, via a packing. The inner container 3 has a peripheral edge part on the bottom outer wall, and a central part slightly higher than the peripheral edge part is provided in the center surrounded by the peripheral edge part. A lower opening for pouring out liquid is bored in the front peripheral end of the inner container 3, and a lower pipe 12 formed into a short cylindrical shape made of a metal material such as stainless steel is welded to this lower opening. The peripheral end of the inner container 3 has four square-shaped angles spot-welded at predetermined intervals so as not to contact the lower pipe 12.

The exterior case 2 is made by rolling a thin metal plate, then folding the ends to form a substantially cylindrical shape, and folding the upper end of this cylindrical shape inward into steps.
Curl the bottom edge inward. This cylindrical exterior case 2 has a cutout on the front side, and a transparent plate is fitted into the cutout part, so that a liquid volume display tube of a discharge mechanism 7, which will be described later, can be visually observed through the transparent plate.

The shoulder member 4 is made of synthetic resin material and has an inner container 3 in the center.
An annular receiving part 13 with an opening communicating with the wide opening of the
A hinge part 14 that hinges a lid body (to be described later) at the rear end of this receiving part, and a beak part 15 in front of this receiving part are integrally molded. The receiving portion 13 of the shoulder member 4 is provided with an annular flange portion on the peripheral wall forming the central opening, which abuts the flange portion of the inner container 3 from above via a packing. The shoulder member 4 is once suspended upward from the front of the beak 13, and then hangs downward.
5 The bottom is open, and the inside is hollow from the bottom upwards. The tip of the open bottom surface of the beak 15 of the shoulder member is fixed to the inner wall of the lower end of the beak, and the rear end is attached to the decorative member 16 which is in contact with the lower end of the outer wall of the front part of the receiving part of the shoulder member at the upper end of the outer case. It is covered with This decorative member 16 has a discharge pipe through hole that penetrates the tip of a discharge pipe (to be described later) that hangs diagonally from inside the beak 15, and has a front portion that is engaged with the inner wall of the lower end of the beak 15 at the tip. A locking piece is provided, and a plurality of rear locking pieces are provided at the rear end of the arcuate shape of the front part of the outer case to lock to the inner wall of the lower end of the front part of the receiving part 13 of the shoulder member at the front part of the upper end of the outer case 2. ing. Beak portion 1 of shoulder member 4
5 has a display window smaller than the shape of the two lamps for the kettle lamp 52 and the heat-retaining lamp 53 at the top and bottom of the center of the front wall, and the upper end of the presser plate described later is fitted to the upper inner wall on the back side of this display window. A presser plate fitting part 54 having a groove is provided, and a presser plate locking part 55 is provided at the lower end of the front wall to abut the lower end of the presser plate, which will be described later.

The holding plate 18 is made of a synthetic resin material and is vertically elongated, with a flat plate part 18a in the center, and recessed parts 56 for each of the two lamps 52, 53, which are formed in the flat plate part 18a at approximately right angles to the longitudinal direction of the top and bottom. 56, an upper insertion part 18b is provided at the upper end to fit into the groove of the holding plate fitting part 54 of the beak part 15, and a flat plate is provided at the lower end to abut the holding plate locking part 55 of the beak part 15. A lower engaging portion 18c bent at an acute angle from the lower end of the portion 18a is integrally molded.

Reference numerals 19 and 19 denote lamp covers, which are inserted from the front side of the front wall of the beak section 15 toward the display windows 51, 51 of the beak section, and are locked to the inner walls forming the display windows 51, 51. Water boiling lamp 52, heat retention lamp 53
To attach the lamps 52 and 53, respectively, fit them into the recesses 56 and 56 of the holding plate 18, and in this fitted state, insert the upper insertion part 18b of the holding plate 18 into the holding plate fitting part of the beak 15. 54, and bring the surface of each lamp closer to each display window 51, 51 from the inside of the beak 15.
The lower engaging part 18c of the holding plate 18 is attached to the holding plate locking part 5 of the beak part 15 so as to be in contact with the back surfaces of the lamp covers 19, 19 fitted from the outside.
5, and is fixed with screws from the lower surface of the lower engaging portion 18c.

The beak portion 15 of the shoulder member 4 has a locking groove for a locking pawl for locking a locking device of the lid body, which will be described later, on the side of the receiving portion that hangs upward from the front of the receiving portion 13.

The lid body 6 is swingably pivoted to the hinge portion 14 of the shoulder member 4, and is attached to the upper surface of the shoulder member so as to be openable and closable by a locking device, which will be described later. 22, and a push valve 2 that opens and closes the upper opening of the bellows pump.
3, an upper lid 25 incorporating a pushing body 24 that presses the push valve 23 and force-feeds the air in the bellows pump into the inner container, a lower lid 26 that covers the lower surface of the upper lid, and a center of the lower lid 26. A rubber bush 27 that is fitted into the opening, a cover plate 28 that covers the lower surface of the lower lid,
It consists of a locking device 29 for locking the lid 6 to the shoulder member 4.

30 is a stopper member that restricts the vertical movement of the pushing body.

The upper lid 25 is made of a synthetic resin material and is approximately the same size as the mouth of the inner container 3, except for the rear part hinged to the hinge part of the shoulder member, and has an opening cylindrical part in the center that extends downwardly and passes through the upper and lower sides. ing. The upper lid 25 has an elongated hole in the center of the front part for sliding an operating knob of a locking device, which will be described later, and between this elongated hole and the open cylindrical part, vertical movement of the pusher 24 inside the open cylindrical part is restricted. A horizontally long hole for sliding the stopper member is provided.

The bellows pump 5 is provided with a bellows part, an air exhaust cylinder part communicating with the bellows part is provided at the lower center end of the bellows part, and an upper end plate is welded to the upper end of the bellows part with an opening in the center serving as an air supply port. There is. bellows pump 5
An annular protrusion is provided on the outer circumferential wall of the air exhaust cylinder to be fitted into and locked inside a rubber bushing, which will be described later.

The push valve 23 has an upper flat plate part and a plurality of claws which are vertically disposed below the lower surface of the flat part and have their tips abutted against the lower surface of the peripheral wall forming the air supply port of the upper end plate of the bellows pump 5. It is molded.

The spring 22 has its lower end in contact with the inner surface of the lower end inside the bellows pump 5, and its upper end in contact with the inner side of the claw on the flat lower surface of the push valve 23, so that the bellows pump 5 is constantly inflated.

The pushing body 24 is formed in a cylindrical shape with a flange on the outer periphery of the lower end, and the upper part of the flange is vertically slidable inside the open cylindrical part of the upper lid 25, and the flange of this pushing body comes into contact with the lower end of the open cylindrical part. This restricts the upward jump.

The lower lid 26 is formed in the shape of a saucer having an outer wall and a bottom wall, and the upper end of the outer wall is fitted to the outer periphery of the lower end of the upper lid 25, and the air exhaust cylinder of the bellows pump 5 is located in the center of the bottom wall. A central opening that penetrates vertically and communicates with each other is bored, and three
~4 boss parts 32, 32 are suspended. This lower lid 26 has an annular short side wall extending upward at the outer peripheral end of the bottom wall, and a flat plate portion extending from the short side wall toward the outer wall, and this flat plate portion is located between the bottom wall and the bottom wall. Steps are formed through the short side walls. A small annular rib is suspended from the outer circumferential end of the flat plate portion, which corresponds to the outer wall of the flat plate portion, to restrict outward expansion of the seal packing described later. The front part of the lower lid 26 has an outer side wall that once extends upward, and its tip extends forward to cover the upper wall that forms the locking groove for the lock pawl of the beak 15 of the shoulder member 4. A wall is provided, and a hole for the lock pawl is bored in the front outer wall in correspondence with the locking groove for the lock pawl, and a lower wall forming the hole for the lock pawl is extended inward to form a hole as described below. A guide wall is provided to guide the lock body. The lower cover 26 has a locking hole for a locking plate, which will be described later, which passes vertically through the flat plate part of the guide wall extending from the front outer wall, and which is the lower rear part of the guide wall.

The cover plate 28 is made of stainless steel and is formed into a dish shape that covers the bottom wall of the lower cover 26, and has an opening in the center that communicates with the central opening of the lower cover 26.
An annular side wall extending upward and abutting against the short side wall of the lower lid 26 is provided on the outer circumferential wall, and an outer flange portion is integrally formed extending outward from the upper part of the annular side wall.

Reference numeral 36 denotes a seal gasket, which is stretched around the outer peripheral end of the cover plate 28, and includes a contact portion sandwiched between the upper surface of the peripheral end of the cover plate 28 and the flat plate portion of the lower lid 26, and an outer peripheral end of this contact portion. An annular tongue piece extending in a curved shape further downward and abutting against the flange 15 of the inner container 3 to prevent air inside the inner container 3 from leaking upward is integrally molded.

The rubber bushing 27 is made of an elastic material and has an annular groove bored in its outer wall, and is formed into a cylindrical shape with an F-shaped vertical section with a contact portion protruding downward. An inner annular groove is bored into which the annular protrusion of the cylinder part is fitted. This rubber button 2
The contact portion 7 has a length longer than the distance between the central opening of the lower lid 26 and the opening of the cover plate 28. This rubber bush 27 is constructed by fitting the peripheral wall forming the central opening of the lower lid 26 into the annular groove of the outer wall, and inserting the air exhaust cylinder of the bellows pump 5 into the inner wall.
With the annular protrusion of the air exhaust cylinder part fitted into the inner annular groove, screw screws into the boss parts 32, 32 of the lower lid 26 from below the cover plate 28, and connect them to the flat plate part of the lower lid 26. The abutting part of the seal packing 36 is tightly sandwiched between the outer flange part of the cover plate 28, and the abutting part of the rubber bushing 27 is tightly abutted against the peripheral wall forming the central opening of the cover plate 28, thereby forming a bellows pump. 5 and the opening of the cover plate 28 are communicated with each other.

The locking device 29 that allows the lid 6 to be opened and closed on the upper surface of the shoulder member 4 includes a locking body with a locking pawl, an operation knob for horizontally moving the locking body, and a locking body stopper for regulating the backward movement of the locking body. It consists of a plate and a spring for the lock body that constantly pushes the lock body forward.

A central locking part for a spring is provided at the center of the lock body, and two locking pawls extend forward to the left and right sides of this central locking part, and a predetermined space extends upward from the rear end of the locking pawl. The operation plate and the control plate connected above are integrally molded. The two lock pawls of the lock body slide back and forth along the guide wall of the lower cover 26, pass through the lock pawl holes, and are locked in the lock pawl locking grooves of the beak 15 of the shoulder member. . The lock body abutment plate is formed into a flat plate shape, and locking claws are provided on the left and right sides of the lower end. This lock body abutment plate has a locking pawl that passes through the locking hole for the lock body abutment plate of the lower cover 26, and the locking pawl is fixed in contact with the lower wall of the peripheral wall forming each of the locking holes. . The spring for the lock body has one end in contact with the central locking part of the lock body, and the other end in contact with the lock body abutment plate, so that the lock pawl of the lock body is always connected to the lock pawl of the beak 15 of the shoulder member 4. It is locked in the locking groove. The operation knob 38 has an operation plate portion that comes into contact with an operation plate abutting portion of the lock body,
There is an operation abutment part that slides in the longitudinal direction by contacting the inner circumferential wall forming a long hole for sliding the operation knob of the top lid 25, and a tip that penetrates the long hole and protrudes from the top lid, making the long hole movable. The knob and knob are integrally molded.
When this operating knob is pushed upward and backward along the longitudinal direction of the elongated hole in the top cover 25, the lock body moves backward against the spring until it contacts the lock body plate, and at the same time, the lock pawl of the lock body is released. , the beak portion 15 of the shoulder member 4 is disengaged from the locking groove for the lock pawl, and the lid is released from the receiving portion of the shoulder member. Next, the receiving part 13 of the shoulder member
When the lid body 6 is pressed toward the upper lid 25, the lock body is moved forward by the spring and the lock pawl is engaged with the lock pawl locking groove. Push down and forward along the longitudinal direction.

The discharge mechanism 7 includes a pumping pipe 41 that also serves as a liquid level display pipe, and a U-shaped first holder 4 that connects the pumping pipe 41 and the lower pipe 12 of the inner container 3.
2, a discharge pipe 43 that discharges the liquid in the inner container 3 to the outside, an upper valve cylinder 44 that forms a valve chamber between the discharge pipe and the pumping pipe 41, a lower valve cylinder 45, and this valve. Indoor valve body 46 and lower valve cylinder 4
5 and a second holder 47 that connects the upper end of the pumping pipe 41. The pumping pipe 41 is made of a transparent material such as glass and is formed into a vertically elongated hollow tube.
The liquid level is displayed at the liquid level shown in 1 and is visible from the front of the outer case. Discharge pipe 43
is installed in the internal hollow of the beak 15 of the shoulder member 4, has a rear end communicating with the upper valve cylinder 44, and a distal end for the discharge pipe of the decorative member 16 that covers the lower end of the beak 15 of the shoulder member 4. Penetrate the through hole and connect the discharge port to the beak 1
It protrudes diagonally toward the front of 5.

The first holder 42 and the second holder 47 are formed into hollow tubes made of heat-resistant and corrosion-resistant elastic material. The first holder 42 is formed as a hollow tube with a substantially U-shaped longitudinal section, and has a small diameter portion of this U-shape, and a large diameter tube whose diameter is increased by horizontally moving the fulcrum of the small diameter portion at one end of the small diameter portion. The lower pipe 12 and the pumping pipe 41 are connected by providing a diameter section, fitting the small diameter section into the lower pipe 12 of the inner container 3 having a small diameter, and fitting the large diameter section into the pumping pipe 41 having a large diameter. .

A narrow passage is formed between the outer periphery of the valve body 46 in the valve chamber and the lower valve cylinder 45 by ribs in the radial direction, and by supplying air into the inner container 3, the contents can be The liquid in the container is forced into the lower valve cylinder 45 through the lower pipe 12, the first holder 42, the pumping pipe 41, and the second holder 47, and is transferred to the valve chamber through a narrow passage formed by the ribs in the lower valve cylinder. and is discharged from the discharge port of the discharge pipe 43.

On the other hand, when the electric pot falls over, the valve body 46
moves inside the valve chamber and closes the valve chamber side opening of the upper valve cylinder 44, thereby preventing a large amount of liquid in the inner container from leaking from the discharge port.

The heating element 8 is formed into a substantially disk shape, and its front surface is in contact with the center of the bottom of the inner container 3, and its back surface is in contact with a heat insulating material. A terminal of this heating element 8 is connected to a plug receiver 48, which will be described later. The heat insulating material is formed of glass fiber or the like into a substantially disk shape having the same size and shape as the heater, and its back surface is in contact with the back plate.

The back plate is formed of a metal material into a substantially cylindrical shape having the same size and shape as the heating element, and is provided with a plurality of protruding flange pieces at predetermined intervals on the outer peripheral end. Each flange piece of this back plate is attached to each angle of the bottom of the inner container 3 with each screw, together with a bottom member mounting bracket, a temperature controller mounting cover, a glass with a terminal bracket, etc., which will be described later, and generates heat. Body 8, the insulation material is fixed.

The pair of bottom member mounting brackets are made of a thin metal material made into an elongated flat plate, and the upper and lower ends thereof are bent in opposite directions to form a square shape. Each angle is screwed together with the flange piece of the back plate with the top end facing inward.

The mounting cover for the temperature regulator is formed by bending a thin metal material into a shape with a horizontal part and a vertical part, and a through hole is bored in the vertical part to insert and lock the thermostat of the temperature regulator, which will be described later. . The center of the horizontal part of this temperature regulator mounting cover is screwed together with the flange piece of the back plate to one angle of the bottom of the inner container 3, and the vertical part approaches the rear side wall of the bottom of the inner container 3 almost perpendicularly. The inner container 3 is mounted in such a manner that a thermostat, which will be described later, is brought into close contact with the rear side wall of the inner container 3.

The glass is equipped with a terminal fitting for connecting lead wires of a heater, etc., and is screwed to one angle of the bottom of the inner container 3 together with a flange piece of the back plate.

The temperature regulator is a small cylindrical thermostat, and the temperature regulator mounting cover is placed in close contact with the rear side wall of the inner container 3, and its terminal is connected to a plug holder (described later) via a glass terminal fitting. ing.

The bottom member 10 includes a ring-shaped bottom ring 49 that contacts the lower end of the exterior case 2 and a bottom plate 5 that closes the opening of the bottom ring.
It consists of 0. The bottom plate 50 is formed of a metal material into a thin disk shape, and its outer periphery is in contact with the bottom ring 49, and is screwed to the bottom member mounting bracket fixed to the angle of the inner container 3 using bottom screws. The inner container 3 and the outer case 2 between the ring 49 and the shoulder member 4 are tightened. The bottom ring 49 is made of a synthetic resin material and is formed of a horizontal ring part and a vertical ring part of a side wall extending upward from the outer end of the horizontal ring part, and a part of the inner wall of the vertical ring part and a horizontal ring part at the rear. A plug receiving locking part is provided, which is made up of a part of the upper wall of the plug receiving part.
This plug receiver locking part has a plug hole bored on the vertical ring side for inserting a plug to be brought into contact with the surface of the plug receiver 48, and the plug receiver 48 is inserted from above into both sides of this plug hole. A pair of guide pieces each having a guide groove for guiding is provided. The plug receiving locking portion is provided vertically upward on the horizontal ring portion inside both guide pieces, and has a plug receiving claw member at its tip extending toward the lower end on the vertical ring portion side. The distance between this plug-receiving claw member and the inner wall of the vertical ring portion is approximately equal to the width of the plug receiver 48, and the distance between the plug-receiving claw member and the upper wall of the horizontal ring portion is the height of the plug receiver 48. Both claws of the plug receiving claw member are engaged with the upper end plane of the plug receiver 48 inserted into the plug receiver locking portion.

<Effects of the invention> In the present invention, a water boiling lamp is provided which heats water almost perpendicularly to the longitudinal direction of the flat plate part of the holding plate, and has recesses for heat-retaining lamps, and wires are connected to each recess.
The heat retention lamps can be easily inserted, and with each lamp attached to each recess, insert the upper insertion part of the presser plate into the groove of the presser plate fitting part of the beak, and insert the lower engaging part into the presser plate fitting part. Since it can be placed in contact with the stop and screwed from the bottom, the structure is extremely simple, and it is possible to easily attach a kettle lamp or heat-retaining lamp with the wiring still in place, and there is no need to screw from inside the narrow cavity of the beak. Since it can be fixed to the front wall of the lower end of the beak from below, assembly work is very easy and efficient, and the defect rate can be greatly reduced.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing the main parts of the present invention. 1...Electric pot, 2...Exterior case, 3...
Inner container, 4... Shoulder member, 5... Bellows pump,
6...Lid body, 7...Discharge mechanism, 8...Heating element, 9
... Temperature regulator, 10 ... Bottom member, 13 ... Receiving section, 15 ... Beak section, 18 ... Pressing plate, 18a ...
Flat plate part, 18b... Upper insertion part, 18c...
Lower engaging portion, 51, 51... Display window, 52... Water boiling lamp, 53... Heat retention lamp, 54... Fitting portion for presser plate, 55... Locking portion for presser plate, 56,
56... Concavity.

Claims (1)

[Scope of utility model registration request] A low cylindrical inner container is provided, a receiving part with an opening in the center communicating with the mouth of the inner container, and a beak part in the front part of the receiving part that communicates with the upper end of the receiving part and opens only at the bottom and is hollow inside. A shoulder member is provided, the shoulder member is coupled to the upper end of the outer case surrounding the inner container, a bottom member is coupled to the lower end, a lid body is removably attached to the upper surface of the shoulder member, and the outer case surrounding the inner container is A heating element is provided to boil the liquid and keep it warm, and a display window is provided in the front wall of the beak of the shoulder member, and a boiling lamp and a heat retention lamp are provided on the back side of the display window to indicate the boiling state or heat preservation state of the liquid in the inner container. In front of the internally hollow beak in an electric pot where lamps are arranged and each lamp is fixedly held on the back side of the front wall of the beak with a holding plate, and the water boiling lamp or heat-retaining lamp is turned on depending on the water boiling or warming state. A fitting part for the presser plate into which the upper part of the presser plate can be inserted is bored in the upper wall of the inner side of the part, and a locking part for the presser plate is provided at the lower end of the front wall of the beak part to abut the lower part of the presser plate. A vertically long flat plate part is provided in the center, an upper insertion part is provided at the upper end to fit into the holding plate fitting part of the beak part, and the lower end contacts the holding part of the beak part and is screwed from below. A lower engaging part bent at an acute angle is provided, and recesses for inserting a kettle lamp and a heat-retaining lamp are provided in the flat plate part of the holding plate, and each recess is bored approximately at right angles to the longitudinal direction of the flat plate part. Characteristic electric pot.