JPH0516986Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention consists of a hinge pin that rotatably connects the lid unit to the main body of the electric cooker, a hinge cover that covers the hinge pin, and a hinge cover disposed below the hinge cover. The present invention relates to an electric cooking device, such as an electric rice cooker or an electric pot, which is provided with a soup receptacle and a soup receptacle that is removably housed in the soup receptacle.

<Prior art> Electric cooking devices such as electric rice cookers and electric pots generally have a lid unit rotatably connected to the main body of the electric cooking device using a hinge pin. It is covered by a cover. In addition, a resin soup holder is provided below the hinge cover, and a resin soup holder that collects the dripping liquid when the lid unit is opened is detachably attached to this soup holder. It is accommodated in

Conventionally, in such an electric cooker, the hinge pin is supported by a shoulder member made of resin that constitutes the shoulder of the electric cooker main body, and the hinge cover is connected to a predetermined part of the shoulder member with screws or the like. It was fixed by a member.

In addition, a pair of engaging recesses are provided on both sides of the drip receiver housing, and a corresponding engaging protrusion is provided on the opposing side of the drip receiver. The two are engaged by forcibly fitting the engaging protrusion of the drip receiver into the engaging recess of the drip receiver housing.

<Problems to be solved by the invention> However, in the above electric cooker,
Since a screwdriver must be used to fix the hinge cover to the shoulder member using coupling members such as screws, there has been a problem in that the efficiency of assembling the electric cooking appliance is reduced.

In addition, in the above-mentioned electric cooker, when the engaging concave portion of the soup receiver accommodating portion and the engaging convex portion of the soup receiver are engaged,
Since almost no elastic deformation is involved, if there is a dimensional error between the two, there is a risk that the engagement between the two may become too strong or the engagement between the two may become too loose. Therefore, if the engagement is strong, a large force is required to remove the drain holder, and if the engagement is suddenly released, the shock There was a problem that the soup in the soup container would spill out. On the other hand, if the engagement state is too loose, there is a problem in that the soup holder comes off from the soup holder accommodating part and falls during use.

This invention was made in view of the above-mentioned problems, and it is an object of the present invention to provide an electric cooker that can improve the efficiency of assembling the hinge cover and also allows the soup holder to be smoothly and reliably attached and detached. With the goal.

<Means for Solving the Problems> In order to achieve the above object, the electric cooker of this invention is supported by a shoulder member constituting the shoulder of the electric cooker main body, and the lid unit is attached to the electric cooker main body. A hinge pin that is rotatably connected to each other, a hinge cover that covers the hinge pin, a soup holder accommodating portion disposed below the hinge cover, and a soup holder that is removably housed in the soup holder accommodating portion. In the electric cooker comprising:
A cover part that covers the hinge pin, a hook part that is connected to the upper side of this cover part and engaged with the upper shoulder member of the hinge pin, and a hook part that is connected to the lower side of the cover part and is connected to a predetermined area on the upper surface of the drip tray. The shoulder member has a bent portion that closes, and an engaging claw is provided on the upper surface side of the bent portion, and the engaging claw is elastically engaged with an engaged portion provided on the shoulder member. is characterized in that an elastic pawl that can be elastically engaged with a predetermined portion of the soup holder is provided on the lower surface side of the bent portion.

<Function> According to the electric cooker having the above configuration, when assembling the hinge cover, hook the hook part connected to the upper side of the cover part that covers the hinge pin to the shoulder member above the hinge pin, By pushing the bent part connected to the bottom side of the cover part into the top side of the soup receiver accommodating part, the engaging claw on the top side of the bent part can be
The hinge cover can be attached by elastically engaging the engaged portion provided on the shoulder member.

In addition, since the bent part of the hinge cover is arranged so as to close off a predetermined area on the upper surface of the soup holder, when storing the soup holder in the soup holder storage part, the bent part of the hinge cover is placed on the lower surface side of the bent part. By bringing a predetermined portion of the soup holder into contact with the elastic claw, the elastic claw is elastically deformed, and the soup holder can be engaged with the elastic claw.

Furthermore, when removing the soup holder from the soup holder accommodating part, when the soup holder is retreated, the soup holder elastically deforms the elastic claw, so that the engagement of the soup holder can be released and the soup holder can be removed from the soup holder accommodating part. be able to.

<Examples> Hereinafter, examples will be described in detail with reference to the accompanying drawings showing examples.

FIG. 1 is a longitudinal sectional view showing an electric rice cooker as an example of the electric cooker of this invention. In the figure, the electric rice cooker has an outer case 1 including a cylindrical cover member 11 formed of a thin metal plate, a bottom member 12 made of synthetic resin formed on the lower side of this cover member 11, and the above-mentioned bottom member 12 made of synthetic resin. A shoulder member 13 made of synthetic resin is formed on the upper side of the cover member 11. A cylindrical inner container 14 is provided inside the outer case 1, and an inner pot 15 for cooking rice is removably housed in the inner portion of the inner container 14. An electric rice cooker main body 10 is configured. Further, at the top of the outer case 1, a lid unit 2 for closing the inner pot 4 is rotatably connected to the electric rice cooker main body 10 via a hinge mechanism 5 consisting of a hinge pin 50 and the like. .

Between the inner container 14 and the cover member 11,
A heat insulating material 16 is provided to prevent heat radiation from the inner pot 15. In addition, a center sensor 17 is provided in a penetrating portion formed in the center of the bottom of the inner container 14, and a center sensor 17 is provided between the bottom of the inner pot 15 and the inner container 14.
A hot plate 18 is provided between the hot plate 18 and the hot plate 18.
An annular bottom heater 19 that directly heats the inner pot 15
is buried in a state surrounding the center sensor 17.

The lid unit 2 has an outer cover 20 made of synthetic resin on the outer side and an inner cover 21 made of synthetic resin on the inner side.
It is formed into a hollow structure, and a one-touch seal 23 made of rubber is provided in the center. This one-touch packing 23 is integrated with an inner lid 22 that can close the opening of the inner pot 15.
A cylindrical one-touch pin 24 which also serves as a pressure regulating port 25 is detachably attached.

FIG. 2 is an enlarged sectional view of a main part showing the vicinity of the hinge mechanism 5. FIG. The hinge mechanism 5 includes a shoulder member 13 that is raised upward at the rear (right side in the figure) of the outer case 1.
a connecting portion 51 rotatably attached to the hinge pin 50; a mounting portion 26 formed at the rear of the lid unit 2 into which the connecting portion 51 is inserted; It has a torsion coil spring 52 that is rotated to urge the lid unit 2 to rotate clockwise. The lid unit 2 is attached to the electric rice cooker main body 10 via the mounting portion 26, the connecting portion 51, the hinge pin 50, and the shoulder member 13.
It is rotatably supported.

The connecting portion 51 has a hollow interior, and is provided with a locking member 53 capable of locking onto the lid unit 2 when the lid unit 2 reaches the open end. A brake roller 54 made of elastic rubber or the like is provided to cushion the impact of the vibration. Note that 53a is the locking member 53
This is a push button that is operated when removing the

One end 52a of the torsion coil spring 52 is inserted into the connecting part 51, and the other end 52b is fixed to the spring adjusting means 6 as an engaged part provided on the shoulder member 13 in the hinge cover 3. has been done.

FIG. 3 is a perspective view showing the spring adjusting means 6 as an engaged portion. Spring adjustment means 6
consists of a seat plate 61 fixed to the shoulder member 13 via a pair of bosses 60, an adjustment screw 62 screwed onto the seat plate 61 and capable of adjusting the biasing force of the torsion coil spring 52, and a torsion screw 62. and a contact plate 63 attached to the lower end 52b of the coil spring 52. A hanging piece 61a is provided at the center of the lower part of the seat plate 61 to fit into the hinge cover 3, which will be described later, to prevent it from coming off.

The hinge pin 50 and spring adjustment means 6
is covered by a hinge cover 3, and a soup receptacle accommodating section 40 is provided below the hinge cover 3. A soup holder 4 for receiving etc. is removably housed (see Fig. 2).

4 and 5 show the hinge cover 3. FIG. The hinge cover 3 includes a cover portion 30 that covers the hinge pin 50 and a shoulder member 13 that is connected to the upper side of the cover portion 30 and is located above the hinge pin 50.
It has a hook portion 31 having a substantially arcuate cross section that is engaged with the lid, and a bent portion 32 that is connected to the lower side of the cover portion 30 and closes a predetermined area on the upper surface of the soup holder 4.

An engaging claw 33 that protrudes upward is provided on the upper surface side of the bent portion 32.
is elastically engaged with the seat plate 61 of the spring adjustment means 6 integral with the shoulder member 13. Further, on the lower surface side of the bent portion 32, an elastic claw 34 protruding downward is provided.
is provided, and this elastic claw 34
It is formed so that it can be elastically engaged with the mouth edge 41 of.

The engaging claw 33 is disposed approximately at the center of the bent portion 32, and a fitting that can fit into the hanging piece 61a of the seat plate 61 of the spring adjusting means 6 is provided at the rear of the engaging claw 33. A matching hole 35 is formed.

The elastic claws 34 are arranged at symmetrical positions on both sides of the engaging claw 33, and a predetermined length extending from the end side of the bending part 32 to the cover part 30 side is provided on both sides of each elastic claw 34. A notch groove 34a and a tongue piece 36 separated by this notch groove 34a are formed, and the elastic claw 34 is provided at the tip of this tongue piece 36, Deforms elastically.

The soup receptacle accommodating portion 40 is formed by recessing the shoulder member 13 over a predetermined width and a predetermined height, and the soup dripping from the opened lid unit 2 is transmitted through the shoulder member 13 and stored in the recess. It is disposed directly below the hinge mechanism 5 so as to flow into the soup receiver 4 housed in the portion 40 .

FIG. 6 is a perspective view showing the soup receiver 4. FIG. The soup holder 4 has a front central portion 42 formed wide so that both sides of the soup holder 4 can be easily grasped with fingertips during attachment and detachment. The rear side of the soup holder 4 is slightly curved,
It is formed along the inner inner wall surface of the soup receiver accommodating part 40. Then, insert the soup receiver 4 into the soup receiver storage section 4.
When housed in the 0 position, the mouth edge 41 of the soup holder 4 is formed so as to be able to come into contact with the elastic pawl 34 of the bent part 32.

7 and 8 show locking means 7 for maintaining the lid unit 2 in the closed state. The locking means 7 is provided on the front side of the electric rice cooker opposite to the hinge mechanism 5. The locking means 7 is
A locked portion 21a formed at the front end (left side in the figure) of the inner cover 21 on the lid unit 2 side, a snap pin 70 from which a portion of the circumference has been cut off, and a shoulder member on the electric rice cooker main body 10 side. a support portion 71 that is provided integrally with 13 and pivotally supports the snap pin 70;
A torsion spring 74 wound around this hinge pin 70
and a lock lever 72 through which the hinge pin 70 is inserted and which is urged to rotate clockwise in FIG. 7 by a torsion spring 74.

The torsion spring 74 is composed of a pair of torsion springs in which the windings at one end are connected at the center portion 74a, and the windings 74b at the other end are formed to have a predetermined length.

Inside the support part 71, the shoulder member 13 is provided with a pair of positioning holes 73 at positions along the inner wall surface 71a of the support part 71, into which a pair of windings 74b of the torsion spring 74 can be inserted. It is being In addition, 7
1b is a pin insertion hole through which the snap pin 70 is inserted.

The lock lever 72 has a hook 72a that can be locked to the locked portion 21a at one end, and a lock release operation portion 72b that projects slightly outward from the outer case 1 at the other end. Also, lock lever 72
A convex portion 72c capable of locking the center portion of the torsion spring 74 is provided on the back surface of the torsion spring 74. In addition, 72
d is a pin insertion hole through which the snap pin 70 is inserted.

Further, as shown in FIG. 7, the lid unit 2
The inner cover 21 has a concave portion 21b formed around the entire circumference near its periphery, and the outer cover 20 is fitted into the concave portion 21b via a magnetic material 8 such as a wire. ing. The lid unit 2 heats the outer cover 20 by so-called high-frequency dielectric heating, in which the magnetic body 8 is surrounded by the inner cover 21 and the outer cover 20, and high-frequency radio waves are irradiated to cause the magnetic body 8 to generate heat. and inner cover 21
It is molded by welding.

According to the above embodiment, when assembling the hinge cover 3, the hook portion 31 on the upper side of the cover portion 30 is placed above the shoulder member 13 supporting the hinge pin 50 while covering the hinge pin 50. After hooking, the bent part 32 on the lower surface side of the cover part 30
By pushing into the upper surface side of the drip tray 4, the engaging pawl 33 of the bent portion 32 can be elastically engaged with the seat plate 61 of the spring adjusting means 6 as the engaged portion. Therefore, compared to conventional hinge covers that are fixed to the electric rice cooker body with screws, etc., it can be attached with one touch without using a screwdriver, improving the efficiency of assembling the hinge cover 3. can.

Furthermore, since the elastic claw 34 provided on the lower surface side of the bent portion 32 of the hinge cover 3 is provided at the tip of the tongue piece 36 separated by the notch groove 34a, the elastic claw 34 is provided at the tip of the tongue piece 36 separated by the notch groove 34a. When accommodating Uke 4,
The bent portion 32 closes a predetermined area on the upper surface of the soup receiver 4
By bringing the mouth edge 41 of the soup holder 4 into contact with the elastic claw 34 , the elastic claw 34 is elastically deformed, and the soup holder 4 can be engaged with the elastic claw 34 . On the other hand, when removing the soup holder 4 from the soup holder accommodating part 40, the mouth edge 41 of the soup holder 4 comes into contact with the elastic pawl 34 of the bending part 32 and is elastically deformed. The engagement can be smoothly released and the soup can be taken out from the soup receiver accommodating section 40.
Therefore, even if there is some dimensional error between the soup receiver accommodating portion 40 and the soup receiver 4, the soup receiver 4 can be removed smoothly and effortlessly, and moreover, the engaged state can be maintained after installation. This will prevent the material from falling if it is too loose.

Further, a positioning hole 73 provided in the shoulder member 13 inside the support portion 71 as the locking means 7
By inserting the unwinding 74b of the torsion spring 74, the locking means 7 can be assembled with the torsion spring 74 fixed, so there is no need to temporarily fix the torsion spring 74. Therefore, the assembly work of the locking means 7 can be easily performed.

Moreover, since the positioning hole 73 is provided at a position along the inner wall surface 71a of the support portion 71,
The unwinding 74b of the torsion spring 74 is connected to the support portion 71.
While pressing against the inner wall surface 71a of the positioning hole 73
By inserting the torsion spring 74 into the holder, the torsion spring 74 can be easily attached.

In addition, on the back surface of the lock lever 72, there is a convex portion 72c that can lock the center portion 74a of the torsion spring 74.
, it is easy to align the pin insertion hole 72d of the lock lever 72 and the pin insertion hole 71b of the support part 71 with the center part 74a of the torsion spring 74 locked in the convex part 72c. and each pin insertion hole 72d,
The hinge pin 70 can be inserted through 71b. Therefore, the assembly work of the locking means 7 can be performed even more easily.

The lid unit 2 is formed by welding an outer cover 20 and an inner cover 21 made of synthetic resin using high-frequency induction heating with the magnetic material 8 interposed between them. The adhesion of the joints of the unit 2 can be improved. Furthermore, compared to molding by ultrasonic welding, it is possible to prevent scratches caused by vibrations, and it is also possible to handle complex shapes. Furthermore, since processing can be carried out in a short time, productivity can be improved. In addition, the lid unit 2 can be made using blow molding.
There is no need to worry about the gloss disappearing on the surface.

Furthermore, the lid unit 2 can be completely removed from the electric rice cooker main body 10 by operating the push button part 53a provided on the connecting part 51, so if the lid unit 2 becomes dirty, cleaning such as washing with water is required. It's easy to do.

At this time, since the lid unit 2 has high adhesion as described above, it is possible to prevent water from penetrating into the interior of the lid unit 2.

In addition, the engagement claw 33 of the hinge cover 3 is connected to the seat plate 61 of the spring holding means 6 as an engaged part.
Since the hanging piece 61a of the seat plate 61 is fitted into the fitting hole 35 of the bent portion 32 when the hinge cover 3 is engaged with the hinge cover 3, it is possible to prevent the hinge cover 3 from coming off inadvertently.

In addition, the above-mentioned soup holder 4 may be provided with an engaged portion such as a protrusion that can be elastically engaged with the elastic claw 34 of the hinge cover 3 on the upper surface of the soup holder 4.

Further, in the above embodiment, an example of an electric rice cooker is shown, but this invention can be implemented not only in an electric rice cooker but also in an electric pot or other electric rice cooker.

<Effects of the invention> As described above, according to the electric cooker according to the invention, when assembling the hinge cover, the hook part on the upper side of the hinge cover is hooked on the shoulder member above the hinge pin, and By simply pushing the bent portion on the lower side of the hinge cover into the upper surface of the soup holder, the engaging pawl on the upper surface of the bent portion will be elastically engaged with the engaged portion provided on the shoulder member. The hinge cover can be attached with one touch. Therefore, it is possible to improve assembly work efficiency.

In addition, when attaching or detaching the soup holder, the soup holder can be engaged or engaged by bringing a predetermined part of the soup holder into contact with the elastic pawl on the lower surface side of the bent part and elastically deforming it. can be canceled. Therefore, despite some dimensional errors, the soup holder can be smoothly and reliably attached and detached. Therefore, the effort required when removing the soup holder can be reduced, and the soup can be prevented from spilling due to violent shock during removal, or from falling off from the soup holder during use. It has the unique effect of being able to

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of an electric rice cooker showing an embodiment of the electric cooking device according to this invention, Fig. 2 is an enlarged sectional view of the main part showing the vicinity of the hinge mechanism, and Fig. 3 is an engaged part of the electric rice cooker. a perspective view showing the spring adjustment means of;
Fig. 4 is a perspective view of the hinge cover, Fig. 5 is a sectional view taken along the - line in Fig. 4, Fig. 6 is a perspective view showing the drip holder, Fig. 7 is a sectional view showing the vicinity of the lock mechanism, Fig. 8
The figure is a perspective view showing the vicinity of the lock mechanism. 2... Lid unit, 3... Hinge cover, 4...
... Soup holder, 10 ... Electric cooking device main body, 6 ... Spring adjustment means as an engaged part, 13 ... Shoulder member, 30 ... Cover part, 31 ... Hook part, 32
...Bending portion, 33...Engaging claw, 34...Elastic claw,
40... Soup receiving storage section, 50... Hinge pin.

Claims (1)

[Scope of utility model registration request] A hinge pin supported by a shoulder member constituting the shoulder of the electric cooker body and rotatably connecting the lid unit to the electric cooker body, a hinge cover covering the hinge pin, and a hinge cover disposed below the hinge cover. In the electric cooking appliance, the hinge cover includes a cover part that covers the hinge pin, and an upper side of the cover part. The hook part is connected to the upper side of the hinge pin and engaged with the shoulder member above the hinge pin, and the bent part is connected to the lower part of the cover part and closes a predetermined area on the upper surface of the soup basin. An engaging pawl is provided on the upper surface side, and this engaging pawl is elastically engaged with an engaged portion provided on the shoulder member.Furthermore, a predetermined portion of the soup holder is provided on the lower surface side of the bent portion. An electric cooking appliance characterized in that an elastic claw is provided that can be elastically engaged with a portion of the electric cooking device.