JPS6033880Y2 - Tabletop metal vacuum double pot - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a tabletop metal vacuum double pot as a heat insulating container.

Conventionally, tabletop vacuum double pots use vacuum double bottles, and the biggest drawback is that they are vulnerable to shocks.

In addition, in order to protect it, it is housed in an outer case, and in order to provide container openings of various shapes and configurations depending on the method of dispensing the contents and opening and closing the container, it is necessary to On the other hand, it had a complicated structure with a large number of parts, such as mounting and a protective container being provided between the outer case and the vacuum double bottle.

However, it is not impact resistant or perfect, requires a pouring window for assembly and handling, and sometimes has problems due to damage to the vacuum double layer.

On the other hand, a metal vacuum double container with excellent impact resistance has been provided, which overcomes the drawbacks of the vacuum double container.

However, Utility Model Application Publication No. 55-151237 and Utility Model Application No. 56
-A narrow simple container opening as seen in Publication No. 19137 may be integrally formed with the container body components, or
As seen in Publication No. 964, a double-layer lid is attached to a narrow-mouthed simple container to form a desired liquid injection path.
The former container opening structure is difficult to apply to containers of various types of liquid injection, and it is difficult to perform liquid filling at the waist.

The latter container mouth structure has the same difficulty as the former, in that the structure is complicated and expensive, and the liquid injection path forming member deteriorates or discolors when exposed to hot water, resulting in a short service life.

In order to solve the above-mentioned problems with the double-walled metal vacuum container, this device has a vacuum insulated space between the stainless steel inner container and the stainless steel outer container. provided, with the vessel constituent member,
A saucer-shaped shoulder part is integrally formed with a liquid supply port at the upper end of the container opening in the center and a peripheral edge reaching the outer diameter of the container body.

In this configuration, the saucer-shaped shoulder is formed without special members, serves as a wide guide for liquid supply and injection, and provides space and shape on the vessel body side for mounting various liquid dispensing means.

To explain the embodiment shown in FIGS. 1, 2, and 3, 1 is a container body, and an outer container 3 serves as an inner container 2 made of stainless steel and an outer container made of stainless steel. The space between them is a vacuum insulation space 4.

The joint 6 that forms the vacuum insulation space 4 between the inner and outer containers 2 and 3 may be joined by any suitable joining means already known such as soldering. The bonding can be performed by working in a vacuum space.

In some cases, after the joint 6 is joined in the atmosphere, the air in the space 4 is removed by suction from a chip provided in a part to achieve a predetermined degree of vacuum and the chip is melted and closed using a filler material such as a filler metal. Alternatively, in the case of a melt-occluding method, a chip of a suitable material and structure may be provided.

The inner container 2 has a single bottom portion 7 that does not form a vacuum insulation space 4 between it and the outer container 3, and is formed of a separate stainless steel plate, and a heat-retaining heater 8 and a kettle heater 9 are installed around the outer periphery of the single bottom portion 7.
is wrapped.

10 is a heater mounting band, and the band is attached to the heater 8.
．． The heaters 8 and 9 are crimped and fixed to the outer periphery of the single bottom portion 7 by wrapping the heaters 8 and 9 from above the bottom portion 9 and tightening both ends with screws 11.

The vacuum insulation space 4 hangs downward from the single bottom part 7 so as to cover the single bottom part 7 to form a bottom part 12 of the container body, and a synthetic resin bottom plate 13 which is separate from the container body 1 is attached to this bottom part 12. ing.

Temperature control members such as a thermostat 14 for controlling energization of the water boiling heater 9, a temperature-sensitive reed switch (so-called TR3) 15 for controlling energization of the heat-retaining heater 8, and a temperature fuse 16 are attached to the lower surface of the single bottom portion 7.

The container body 1 including the single bottom portion 7 is made of stainless steel with low thermal conductivity, and it forms a vacuum insulation space 4, so it is a tabletop with excellent impact resistance and exhibits sufficient heat retention. The water heater 9 is used to raise the content of the liquid to a predetermined temperature, and then the temperature is maintained well, and the heat retention heater 8 is used to maintain the set temperature. is saved.

On the other hand, the temperature control member does not operate when the temperature of the single bottom portion 7 is higher than the set temperature (for example, when the heater wrap portion of the single bottom portion 7 is energized without any liquid content due to dry cooking or an overturned condition). However, sensing is delayed due to the poor thermal conductivity of stainless steel, causing overheating.

For this reason, in the illustrated electric kettle, each temperature control member is
The windings of the heaters 8 and 9 are arranged away from the end (low temperature side) and concentrated near the heater heat generating part, so that the temperature rise in the single bottom part 7 when the heaters 8 and 9 generate heat can be detected as early as possible. There is.

The temperature-sensitive reed switch 15 is supported by a holding plate 17 in pressure contact with the bottom surface of the single bottom portion 7, and the temperature fuse 16 is attached to a support leg 19 which is attached to the bottom surface of the single bottom portion 7 by spot welding or the like with screws 18 together with the holding plate 17. Fixed.

The thermostat 14 is attached with screws 21 to a mounting plate 20 that is directly attached to the lower surface of the single bottom portion 7.

The bottom plate 13 has a maintenance inspection window 22 opened in the center, and is always closed by a cover plate 24 which is detachably supported by screws 23 to the support legs 19, and which draws the bottom plate 13 to the bottom part 12 of the vessel body. is fixed.

A plug fitting opening 25 is formed on one side of the bottom plate 13, and a plug 26 of a magnetic attraction type is fitted into this fitting opening 25.

At the upper end of the container body 1, a dish-shaped shoulder portion 27 having a shape according to the purpose is attached to the inner container 2, which is a constituent material of the container body 1, and the upper end frontage 3 of the container body 1.
2. The upward direction is integrally molded.

The dish-shaped shoulder part 27 has a dish shape with a beak-like protrusion 27a on one side, and a liquid supply port 27b to the vessel body 1 is opened in the center of the bottom part in a continuous state with the vessel upper end opening 32.

A shaft support 45 that covers the dish-shaped shoulder part 27 and pivots 29 to which a lid body 28 equipped with the manual bellows pump 5 is integrally formed is also integrally formed on the side opposite to the beak-like protrusion 27a in the dish-shaped shoulder part 27. The upper end of the outer melter 3 covers the outer periphery of the dish-shaped portion, making the outer shape simple.

The lid body 28 closes by elastically engaging with a retaining part 30 that is integrally provided with the dish-shaped shoulder part 27 by welding or the like on the free end side opposite to the pivot joint 29 part. Lock lever to position
It has 31.

33 is a pressing operation member of the pump 5.

The liquid supply port 27b of the dish-shaped shoulder portion 27 has an air supply passage 34 that communicates the discharge port 5a of the pump 5 with the inside of the container body 1 when the lid body 28 is in the closed state, and an air supply passage 34 that connects the pump 5 with the inside of the container body 1 when the lid body 28 is in the closed state. A stopper body 36 having a spouting pipe 35 that guides the liquid content to be pushed out to the outside of the vessel body 1 when compressed air is sent into the vessel body 1 to pressurize the liquid content. is removably attached, and is pressed by the lid 28 in the closed state to maintain airtightness with the vessel opening 32 via the backing 37, and to maintain the airtightness between the air supply passage 3 and the air supply passage 3 via the backing 38.
4 and the pump discharge port 5a is also maintained airtight.

The spouting conduit 35 has an air vent pipe 39 for preventing splash on the top plate at the end of the overhanging portion 35a that overhangs from the stopper 36 toward the container side along the upper surface of the beak-like projection 27a. An outlet 40 is provided and the beak-like projection 2
It opens downward from a through hole 41 at the bottom of the tip 7a.

Reference numeral 42 denotes a handheld bundle, which is rotatably mounted on a screw 44 that is screwed into a nut 43 that is attached by welding or the like to the upper outer circumference of the container 1, that is, the upper outer circumference of the outer container 3.

The lid shaft support 45 may be attached separately to the container opening 27, and the saucer-shaped shoulder portion 27 can also be formed at two points on the side of the outer container 3 as shown by the dashed line. When the upper ends of the inner and outer containers 2 and 3 are connected by another stainless steel shoulder plate 46 as shown by the chain line, the shoulder plate 4
6 can also be integrally molded with a dish-shaped shoulder 27.

In short, the dish-shaped shoulder part 27 may be integrally molded with the constituent material of the vessel body 1, and the waist attachment work that does not require a separate member for forming the dish-shaped shoulder part 27 can be omitted.

In the embodiment shown in FIG. 4, the upper end of the outer container 3 of the container body 1 is integrally molded into a dish shape without a beak-like protrusion and simply has a liquid supply port 27b, and a lid 28 is screwed 51 on the outer periphery. It is attached removably.

In addition to the pump 5, the lid 28 has an air supply passage 34 and a spouting pipe 35, and integrally includes a stopper 36 that seals the upper end opening 32 of the container via a backing 37 with respect to the liquid supply port 27b. are doing.

It is also possible to attach the lid body 28 removably by screwing the plug body 36 onto the inner periphery of the liquid supply hole 27b.

The single bottom portion 7 of the container body 1 is removably fitted into the concave portion 52a of the platen 52, and is heated by a heating platen 54 with a built-in heater 53 disposed on the bottom of the concave portion 52a. It can be removed and carried to the desired location for use.

55 is a carrying bundle for this purpose.

56 is a power cord for the heater 53.

In the embodiment shown in FIG. 5, the screw-on lid body 28 itself as shown in FIG. , 63 are pressing operation members.

By pressing down on the operating member 63 while blocking the intake port 64 with a finger, the air inside the pump chamber is forced into the container body 1 through the discharge port 61a, and the content liquid is pressurized and poured out through the pouring pipe 35. let

Each time a single dispensing operation is performed, the pressure on the member 63 is released to return the pump to its upward motion. At this time, the air intake port 64 is opened to draw outside air into the pump chamber.

However, known automatic valves can also be provided at the intake port 64 and the discharge port 61a.

In FIG. 6, a decorative ring 71 or the like may be attached to the outer periphery of the vessel body 1, and the lid shaft support 45 may be integrally formed or attached thereto.

The ring 71 is connected to the auxiliary ring 7 by a screw 72.
3, and the upper end outer peripheral flange 74 of the container 1 is sandwiched between the container 1 and the container 1.

The rings 71 and 73 can be joined by various methods such as force fitting or screwing, or the rings 71 and 73 may be directly screwed onto the container body 1.

Although each of the above embodiments describes a tabletop pot equipped with a means for pouring out the liquid content, it is of course applicable to a so-called handy type tabletop pot that does not have such a means and pours liquid by tilting the container. It is.

In that case, it is sufficient to use the dish-shaped container mouth for both supplying liquid to the container body and injecting liquid from the container body, and it is convenient to provide a beak-shaped protrusion as shown in Fig. 1 to serve as a spout. be.

In addition, the lid is provided in the same way as in each case above, and the stopper for opening and closing the liquid supply port may be of a type that is simply attached to and removed from the liquid supply port, or may be of another type such as screwed into the lid from above. You can also do it.

On the other hand, if a lid with a built-in pump is attached to the container opening of a tabletop pot with a dispensing means, and an integrated or separate stopper is provided to seal the liquid supply port, then the liquid can be supplied into the container. It just needs to be convenient.

Therefore, as shown in FIGS. 7 and 8, the container mouth 27 of the container body 1 can be formed into a simple wide opening.

In this case, the lid body 28 is provided in the same manner as in each of the above cases, but
In the figure, the inner container 2 is pivotally connected 29 by a lid shaft support 45 formed integrally with the inner container 2.

The plug body 36 is provided with a metal seat plate 82 that is seated on the dish-shaped shoulder part 27 through a packing 81, and seals the upper end opening 32 of the container body which opens directly into the dish-shaped shoulder part 27.

In FIG. 7, a beak-like protrusion 27a is integrally molded on the outer container 3.

This may be integrally formed with other structural members of the container body 1, such as the inner container 2, or there is no problem with separate installation even if the beak-shaped protrusion 27a is omitted.

In FIG. 8, a beak-shaped protrusion 27a is formed on the seat plate 82.

According to this invention, since a metal vacuum double body is used as the vacuum double heat insulated container for the tabletop pot, there is no need to worry about shock resistance like with conventional vacuum double bottle type containers, and there is no need for assembly. On top of that, there is no need for a pouring window during handling, and there is no chance of damage.

In particular, the dish-shaped shoulder is formed without any special parts and therefore does not complicate the structure, and serves as a wide guide for liquid supply and injection, making the work easy and safe. Since it provides space and shape on the container side for mounting a liquid pouring means, it can be applied as is to various types of pots.

In addition, since it is made of metal, it has excellent heat resistance, and will not deteriorate due to heat or change color even when hot water is supplied or poured.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of one embodiment, Fig. 2 is a partial longitudinal sectional view, Fig. 3 is an exploded slope view of the main part, and Fig. 4 is a longitudinal sectional view of the main part of another embodiment. FIG. 5 is a sectional view of a main part of another embodiment, and each of FIGS. 6 to 8 is a sectional view of a main part of another embodiment. 1... Container body, 2... Inner container, 3...
...Outer container, 4...Vacuum insulation space, 5,61
...Pump, 8°9.53 ... Heater, 27 ... Dish-shaped shoulder, 27a ... Beak-shaped protrusion, 27b ... ...Liquid supply port, 28...
・Lid body, 29... Pivot, 34... Air supply passage, 35... Outlet pipe, 36... Plug body, 40... ...Spout, 45 ... Pivot support, 46 ... Shoulder plate, 51 ... Threaded joint, 71
... Decorative ring, 82 ... Seat plate.

Claims (7)

[Scope of utility model registration request] (1) A container is provided with a vacuum insulated space between an inner container made of stainless steel and an outer container that also serves as an outer container made of stainless steel, and the liquid supply port at the upper end of the container is located at the center of the container due to the above-mentioned container components. A tabletop metal vacuum double pot characterized by an integrally molded dish-shaped shoulder part that opens at the top and whose periphery reaches the outside diameter of the vessel body. (2) The saucer-shaped shoulder is for attaching liquid supply and content liquid dispensing means and is simply wide open.Claim No. 1 of Utility Model Registration
Tabletop metal vacuum double pot as described in section. (3) The table-top metal vacuum according to claim 2 of the utility model registration claim, wherein the dish-shaped shoulder part is provided with a pivot support for a lid body having a liquid content pouring means on the outer periphery side of the upper end of the dish-shaped part. double pot. (4) The tabletop metal vacuum double pot according to claim 3, wherein the M body axis support is separate from or integrated with the dish-shaped shoulder. (5) The table-top metal vacuum double pot according to claim 2, wherein the dish-shaped shoulder portion is such that a lid having a liquid content pouring means is screwed onto the outer periphery of the dish-shaped portion. (6) The liquid content pouring means pressurizes and pushes out the liquid in the container, and is equipped with at least a pressurizing pump on the lid, which closes the liquid supply port and directs pressurized air from the pump into the container. The plug part, which has an air supply path that guides the liquid to the outside of the container and a dispensing path that leads the liquid to be forced out by pressurization to the outside of the container, is separate from or integrated with the lid. The desktop metal vacuum double pot according to any one of items 2 to 5. (7) The tabletop metal vacuum double pot according to claim 1, wherein the container body is equipped with a heater for keeping warm or boiling water, or both.