JPS58183122A - Electric pot - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electric water heater such as an air pot, and an object of the present invention is to improve the airtightness of an inner container and to prevent incorrect attachment of a backing.

Conventionally, this type of electric water heater sealed the inner container by fixing a banking to the inner lid that covered the upper surface of the inner container. On the other hand, there were some products with removable backings, but the cross section was in the shape of an abbreviation, and the outer circumferential surface was made to adhere uniformly to the inner container. If air is forced into the inner container when hot water is poured out, the air may leak from the gap between the backing and the inner container, resulting in a small amount of hot water being poured out. , even if you attach the backing to the inner lid with the backing reversed,
The drawback was that it was difficult for users to detect if the backing was incorrectly attached, and it continued to be difficult to pour out hot water due to air leakage.

The present invention improves the sealing performance of the inner container by improving the shape of the banking, and also makes it easier to detect incorrect attachment of the packing to prevent use in the incorrectly attached state. An embodiment will be described with reference to the attached drawings.

In the figure, 1 is a cylindrical body, and 2 is a spout body placed on the body 1. A pouring flange 3 projecting inward is formed at the lower end of the inner wall of the main body 2 of interest. Reference numeral 4 denotes a bottomed cylindrical inner container, and an upper end flange 6 formed at one end is placed on the pouring flange 3 via a spout packing 6. Reference numeral 7 denotes a resin-made interior that covers the upper opening of the inner container 4, and a hanging annular rib 8 and an outer peripheral flange 9 extending outward are formed on the outer periphery. 10 is the inner lid 7
This is an inner lid cover fixed to the lower surface of the inner lid 7, and a supporting portion 11 is formed on the outer periphery of the inner lid 7 so as to be located below and parallel to the outer peripheral flange 9 of the inner lid 7. 12 is the inner lid and inner lid cover 1
This is a valve installed between 0 and 1 to prevent hot water from flowing out when it falls over, and is connected to a water pumping pipe 12' with one end facing the inner bottom of the inner container 4, and a water filling pipe 13 with one end facing outside the body 1.
is connected. Reference numeral 14 denotes a silicon attached to the inner lid 7, and a tensioned part 16 which is tensioned on the outer periphery of the annular rig 8 of the inner lid 7, and a tensioned part 15 extending outward from the end of the tensioned part 15 to support the inner lid cover 10. a horizontal part 16 supported by the horizontal part 11; a contact part 17 having a C-shaped cross section continuous to the outer peripheral end of the horizontal part 16; and an inner abutting part 1 projecting upward from the tip of the contact part 17.
8 and a ball abutting portion 19 projecting inward from the tip of the abutting portion 1 are integrally formed. 20 is a note at one end [
It is pivoted to one side of the main body 2, the other end is detachably rested on the other side of the main body 2, and is an upper lid provided on the spout main body 2, and has a push plate 21 and an air valve. 22, bellows 23, etc.

In addition, the tension part 16 and the horizontal part 16 of the banking 14 are 90
When the backing 14 is attached to the outer periphery of the annular rib 8 of the inner lid 7 at an angle of .degree. or more, the elastic force of the silicone rubber brings the tension part 8 into pressure contact with the outer periphery of the annular rib 8, thereby maintaining airtightness.

In the above configuration, when the top lid 2o is closed, the backing 1
4, the lower end of the contact part 17 is pressed against the -F end of the upper end flange 5 of the inner container 4, the outer peripheral end of the contact part 17 is pressed against the inner peripheral part of the spout main body 2, and the ball abutment part 18 contacts the lower surface of the outer peripheral flange 9 of the inner lid 7, and the inner abutment part 19 contacts the upper end of the tension part 16, so that the inner container 4 is reliably sealed.

Next, when the backing 14 is attached to the annular rib 8 in the reverse position as shown in FIG.
Since the gap between the outer circumferential edge of the outer circumferential flange 9 and the upper edge of the inner circumferential surface of the spout main body 2 is less than twice the wall thickness of the abutment part 17, the inner lid 7 does not fall to a predetermined position and Since the contact portion 1 protrudes, the user can easily find if the banking 14 is installed incorrectly. Therefore, the user will not continue to use the electric water heater in a state where the inner container 4 cannot be sealed due to incorrect attachment of the backing 14.

As is clear from the description below, the present invention improves the sealing performance of the inner container by improving the backing, and also reduces the risk of fire caused by incorrectly installing the backing. This can be easily done, and it is possible to prevent the electric water heater from being used in an incorrectly installed state.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of an electric water heater ag showing an embodiment of the present invention, Fig. 2 is a sectional view of the same essential parts, Fig. 3 is a sectional view of the backing of the same municipal water heater, and Fig. 4 is the same. It is a sectional view of the main part when the //sokinder is installed incorrectly. 2... Attention main body, 3... Note['' flange, 4... Inner container, 5... Upper end flange,
7... Inner lid, 8... Annular rib, 9...
...Outer flange, 10...Inner lid cover,
11...Supporting part, 14...Backing, 1
5... tension part, 16... horizontal part, 17...
...Abutment part, 18...Inner abutment part, 19...
...” Second abutment section. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2

Claims (1)

[Claims] a spout main body having a spout flange protruding inward at the lower end; a bottomed cylindrical inner container with an upper end flange placed on the spout flange; and an inner lid that covers the top opening of the inner container; An inner cover fixed to the lower surface of the inner cover, and a banking that is detachably attached to the inner cover and the inner cover and abuts the upper end flange or the spout body, and the inner cover has an annular lip and an outer periphery. a flange is formed, and a substantially parallel support part is formed on the inner lid cover below the outer peripheral flange, and the backing includes a tension part tensioned on the outer peripheral surface of the annular rib, and a tension part extending outward from the lower end of the tension part. It was extended towards
a horizontal portion supported by the support portion of the inner lid cover; a contact portion having an inverted C-shaped cross section continuous to the outer peripheral end of the horizontal portion; and a contact portion continuously extending upward and inward from the tip of the contact portion. An electric water heater that is integrally formed with a protruding abutment.