JPH058932Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a deep fryer, and more particularly to a deep fryer that can prevent overheating of frying oil and prevent fires.

[Prior art]

So-called tempura fires, in which people leave the area while they are cooking tempura to make a phone call or greet guests, etc., and forget about it, cause the tempura oil to overheat and cause a fire. ing. Therefore, many deep fryer pots have been proposed for preventing fryer fires. By the way, fireproof tempura pots are usually designed from the standpoint of how to extinguish tempura oil that has caught fire.

[Problems with conventional technology]

By the way, if tempura oil ignites, if it is not extinguished immediately, the fire will become stronger and will be difficult to extinguish.
Therefore, the conventional fireproof deep fryer, which extinguishes the fire after the frying oil ignites, has a problem in that it is difficult to ensure complete fire protection.

It is against this background that the present invention was developed, and the purpose of the present invention is to provide a deep fryer that can prevent overheating of frying oil and prevent fires.

[Means for solving problems of conventional technology]

The present invention was made to achieve such an objective, and the main points of the present invention are: A. A pot body capable of storing tempura oil; A pot stand that can stably hold the pot, and a pot stand that is attached to the pot body so that it can rotate from the side of the pot body in a direction along the bottom of the pot, and that rotates downward under its own weight to cover the bottom of the pot and block heat from the stove. The heat shielding member to be obtained is fixed by rotating the heat shielding member upward so that the bottom of the pot is not covered, and when the tempura oil reaches around the ignition temperature, the locking is released and the heat shielding member is dropped. a thermally actuated unlocking device capable of causing
In addition, in the heat-activated unlocking device, a temperature-sensitive member filled with a fusible alloy is placed immersed in tempura oil, and one end is connected to a connecting member fixed by the fusible alloy to a heat shielding member. A fire-proof deep-fryer frying pan, which is formed by connecting locking pieces that can be stopped, so that when the frying oil reaches around the ignition temperature, the easily fusible alloy melts and the connection with the connecting member is disconnected, causing the heat shielding member to fall; B In the fireproof deep fryer described in item A above, the fireproof deep fryer is configured with a heat shield plate attached to the side of the pot body and on the opposite side to the position where the heat shield member is rotated upward and locked. It's what I did. Here, "easy-fusible alloy" refers to an alloy that melts near the ignition temperature of tempura oil, and "near ignition temperature" refers to a temperature slightly lower than the ignition temperature.

[Effect]

In the fireproof deep fryer configured as described above, the heat-activated unlocking device drops the heat shield member to cover the bottom of the frying pan when the frying oil reaches near the ignition temperature, thereby preventing the oil from overheating. Works to prevent.

〔Example〕

Embodiments of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, reference numeral 2 denotes a pot body capable of accommodating tempura oil, and has a substantially semicircular cross-sectional shape and a flat bottom. As shown in FIGS. 1 to 4, pot stands 4 are attached to both sides of the pot body 2 to stably support the pot body 2 on the stove and prevent the bottom of the pot from coming into contact with the stove. A certain gap is maintained so as not to impede the rotation of the heat shielding member 6.

Furthermore, a heat shielding member 6 is supported by a pair of support shafts 8 on the pot body 2 and is rotatably attached from the side of the pot body 2 in a direction along the bottom of the pot, and rotates downward under its own weight. The bottom of the pot is covered to block the heat from the stove. Since the pot body 2 has a flat bottom, the gap between the pot bottom and the heat shielding member 6 becomes large as shown in FIG. 4, making it easier to block heat from the stove.

Further, as shown in FIG. 1, a heat-activated unlocking device 10 is provided on one side of the inside of the pot body 2, and lifts the heat shield member 6 to the side of the pot body 2 and locks it. , the latch is released when the tempura oil approaches the ignition temperature. As shown in FIG. 2, the heat-activated unlocking device 10 has a support member 12 formed by bending a plate-like member into an L-shape attached to the upper side end of the pot body 2.
2 is attached with a temperature-sensitive pipe 16 as a temperature-sensitive member in which a fusible alloy 14 is enclosed.

A rod-shaped connecting member 18 is disposed inside the temperature-sensitive pipe 16, and one end thereof is connected to the fusible alloy 14.
The other end is connected to a locking piece 20. 21 is a compression coil spring.

One end of the connecting member 18 is fixed by heating and melting the easily fusible alloy 14, inserting one end of the connecting member 18, and cooling and fixing. Note that one end of the connecting member 18 is slightly bent, and a slight depression is provided near the tip of the temperature-sensitive pipe 16, so that the connecting member 1
8 slips out, and the fusible alloy 14 itself is prevented from moving within the temperature-sensitive pipe 16.
Moreover, as the easily meltable alloy 14, a solder alloy or the like is used, for example. The melting temperature of the solder alloy changes depending on the proportion of tin and lead, but the above proportion is determined so that the melting temperature is somewhat lower than the ignition temperature of tempura oil. For example, if the ignition temperature is 330℃, 260
It is made to melt at around ℃.

The locking piece 20 is rotatably attached to the support member 12 by a support shaft 22, and one end thereof is connected to the connection member 18, and the other end is connected to the locking member 18 provided on the heat shielding member 6. It is latched to a stopper 24. Thereby, the heat shielding member 6 is held in a lifted state to the side of the pot body 2, as shown in FIG.

Further, on one side of the pot body 2, on the opposite side of the lifted and locked heat shielding member 6, a heat shielding plate 2 is provided.
6 are installed with a gap in between. This can prevent the temperature rise of the tempura oil from being biased to one side. However, it is possible to correct the imbalance in temperature distribution by tilting the center of the pot body 2 to either side with respect to the stove. However, deep fryers tend to become unstable.

In the tempura oil of the embodiment configured as above, the thermally actuated unlocking device 10 is used as described above.
, the heat shielding member 6 is lifted and locked,
That is, in the state shown in FIG. 2, it can be used like a normal deep fryer. However, if you leave the place while frying tempura to make a phone call, greet a visitor, etc., the temperature of the tempura oil in the pot body 2 will rise over time. When the temperature approaches the ignition temperature, the fusible alloy 14 in the temperature-sensitive pipe 16 melts, and one end of the connecting member 18 comes off. Then, the locking piece 20 rotates due to the weight of the heat shielding member 6, and is disengaged from the locking portion 24. When the lock is released, the heat shielding member 6 rotates downward due to its own weight, and as shown in FIG. 4, it covers the bottom of the pot and blocks heat from the stove. In this way, the temperature of the tempura oil will not reach the ignition temperature even after a long period of time has passed, and a tempura fire can be prevented. Note that in order to be able to reuse the heat-activated unlocking device 10 once activated, the support member 12 must be removed from the pot body 2.
After heating the tip of the temperature-sensitive pipe 16 with a gas flame or the like to melt the fusible alloy 14, the connecting member 18 may be cooled and fixed while being inserted.

According to the inventor's experiments, when the fireproof deep fryer of this example was placed on the stove and ignited (the temperature at the time of ignition was 30℃), the oil temperature rose to 150℃ after 5 minutes, and after 15 minutes.
255℃, 17 minutes later the temperature becomes 265℃, the thermally actuated unlocking device 10 is activated, and 30 minutes later, the temperature rises to 307℃, 1
After an hour, the temperature reached 312℃, and the heat-activated unlocking device 1
After 0 operation, the oil temperature remained around 310℃ and did not change much.
There was no fear of fire. (In this example, "near the ignition temperature" corresponds to 265°C.) In contrast, in an experiment, the heat shielding member 6 was tied with wire to prevent it from falling even if the easily fusible alloy 14 melted. In the comparative example, white smoke began to appear shortly after the oil temperature reached 265°C, a fire ignited seven minutes later, and within seconds the flames became more intense and reached several meters high. It is considered that a fire would occur completely at normal room temperature.

From the above experiment, the effect of this example was confirmed.

Although one embodiment of the present invention has been described above, the present invention is not limited to such an embodiment in any way, and it goes without saying that it can be implemented in various forms without departing from the gist of the present invention. .

[Effect of idea]

Since the present invention is configured as described above, it produces the following effects.

According to the fireproof deep fryer according to claim 1, when the frying oil reaches a predetermined temperature, the easily melted alloy melts,
The heat shield material falls down and covers the bottom of the pot, blocking the heat from the stove, so even if you have no choice but to leave the area while you are frying tempura, such as answering a phone call or having a visitor. , prevents the temperature of tempura oil from rising and prevents tempura fires.

According to the fireproof deep fryer according to the second aspect, it is possible to reduce unevenness in oil temperature when frying tempura.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
3 is a bottom view of the embodiment, and FIG. 4 is an explanatory view showing the operating state of the embodiment. 2... Pot body, 4... Pot stand, 6... Heat shielding member, 10... Heat actuated unlocking device, 14...
Easy-fusible alloy (solder), 16... Temperature-sensitive pipe (temperature-sensitive member), 20... Locking piece, 26... Heat shield plate.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A pot body capable of storing tempura oil, a pot stand attached to the pot body and capable of stably holding the pot body on the stove, and a pot stand extending from the side of the pot body along the bottom of the pot. a heat shielding member which is attached to the pot body so as to be rotatable in the direction and which can rotate downward under its own weight to cover the bottom of the pot and block heat from the stove; a heat-activated lock release device that locks the heat shield member by rotating the heat shield member, and releases the lock when the tempura oil reaches near the ignition temperature, causing the heat shield member to fall;
Furthermore, in the heat-activated unlocking device, a temperature-sensitive member filled with a fusible alloy is placed immersed in tempura oil, and one end is connected to a connecting member fixed by the fusible alloy to a heat shielding member. This fireproof deep fryer is made up of connected locking pieces that can be stopped, and when the tempura oil reaches around the ignition temperature, the easily melted alloy melts, the connection with the connecting member is disconnected, and the heat shielding member falls. 2. The fireproof deep fryer according to claim 1, wherein a heat shield plate is attached to the side of the pot body and on the opposite side to the position where the heat shield member is rotated upward and locked.