CN2436830Y

CN2436830Y - Improved structure of inner-ring copper cap of gas stove

Info

Publication number: CN2436830Y
Application number: CN 00245561
Authority: CN
Inventors: 张永兴
Original assignee: TAIWAN YINGHUA CO Ltd
Current assignee: TAIWAN YINGHUA CO Ltd
Priority date: 2000-08-22
Filing date: 2000-08-22
Publication date: 2001-06-27
Anticipated expiration: 2010-08-22

Abstract

The utility model relates to an improved structure of an inner-ring copper cover of a gas stove, which comprises a body and a protecting cover, wherein the upper part and the lower part of the body are respectively provided with a flame hole part with a plurality of through openings and a ring-shaped sheathing part. The top of the body is provided with an inserting hole, and the outer wall of the body is concavely provided with a containing groove. The periphery of the protecting cover is extended with a convex edge, and the bottom of the protecting cover is convexly provided with an inserting part. The protecting cover is inserted in the inserting hole of the body so that the protecting cover is connected to the top of the body, and an inner-ring copper cover is formed. Therefore, a thermocouple is adjacent to a body of the inner-ring copper cover; when the stove fire is extinguished, the temperature of the cold junction of the thermocouple is slowly reduced, and thus, the utility model has good safety.

Description

The interior ring copper cap structure improvement of gas oven

The utility model relates to a kind of interior ring copper cap structure improvement of gas oven, refer in particular to a kind of separation time shortening that makes the safety device of gas oven, have preferable security, and combination fast easily, saving of work and time, the interior ring copper cap structure that can effectively reduce cost.

The safeguard protection of flame-out safety device be the gas oven stove fire suffer high wind put out or water overflow and stop up put out after; the thermocouple of flame-out safety device is after induction; can be in the regular hour; allow magnetic valve break away from rapidly; the gas runner formation of switch is opened circuit; avoid gas to continue to leak, and reach purpose of safety.

At present the employed flame-out safety device of Taiwan manufactory all belongs to the safety device of thermocouple mode, and so structure has Taiwan patent newspaper Announcement Number: 269391,275924,296776,350527,352147,381672 etc.Known flame-out safety device is made up of thermocouple, magnetic valve and safety switch, thermocouple principle be with two kinds of different metals with the two ends welding, make it become closed loop; At two contacts it is remained under the different temperatures, then can produce electric current because of the temperature difference at two ends, this electric current is called thermocurrent, thereby the electric power that produces is called seat Bake effect a heat electric power.Abutment at an end of high temperature heating is called hot junction, is called cold junction at the abutment of low-temperature end, and when hot junction heated with gas, when temperature reached predetermined temperature, the heat that appointment produces 20mV～35V played electric power.The heat that thermocouple produced plays electric power can produce excitatory effect to magnetic valve, make magnetic valve keep the sorption state, from the time of heating sorption, be called hold(ing) time, wait to stop to make hot junction and cold junction not have temperature difference to the hot junction heating, then heat plays the electric power disappearance, make the magnetic valve escape, be referred to as the separation time.

The safety device but above-mentioned tradition is stopped working, its thermocouple all are installed in interior ring copper and cover a side a distance, extinguish at the gas oven stove fire, and when the hot junction temperature of thermocouple descended, the cold junction temperature of thermocouple also descended thereupon fast, as shown in Figure 6.Make hot junction and cold junction still have temperature difference, then a heat electric power can't rapidly disappear, so the separation time of safety device is longer, even reaches more than 60 seconds, its security is under suspicion.

So as from the foregoing, above-mentioned known flame-out device fully on reality is used, obviously has inconvenience and exists with shortcoming, and can wait to be improved.

The purpose of this utility model is to propose to encircle copper cap structure in a kind of gas oven of being made up of body and protective cover, it can make the cold junction temperature descend slowly, make heat, cold junction can reach no temperature difference fast, making heat play electric power disappears fast, therefore have safe in utilization, thereby solved the existing in prior technology problem.

The technical scheme that the utility model adopted is that it includes:

One body is formed with a flame hole portion with a plurality of through-pores on it; And

One protective cover, its periphery are extended with a protruding eaves, and this protective cover is to be connected in bodies top;

It is characterized in that: the one-body molded storage tank that is concaved with of this body outer wall, can be in order to the thermocouple of ccontaining flame-out safety device.

Advantage of the present utility model is: the body of pressing close to interior ring copper lid that it can be tried one's best the thermocouple of the safety device that stops working, when gas oven is flame-out, the surplus temperature of ring copper lid influenced in the cold junction of thermocouple can be subjected to, the cold junction temperature of thermocouple is descended slowly, therefore hot and cold contact can comparatively fast reach no temperature difference, make heat play electric power and comparatively fast disappear,, thereby have security so the separation time of safety device is shorter; Next is that interlocking mode with protective cover is connected in bodies top, makes the combination of body and protective cover comparatively rapidly, easily, but therefore the saving of labor, save time, reduce cost.

Fig. 1 is a three-dimensional combination figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a profile of the present utility model.

Fig. 4 is the schematic diagram that is matched with the gas burner of the present utility model.

Fig. 5 covers cold and hot contact curve map for ring copper in of the present utility model.

Ring copper covers cold and hot contact curve map in Fig. 6 prior art.

Further specify preferred embodiment of the present utility model in conjunction with above-mentioned each accompanying drawing now, as shown in Figure 1 to Figure 3.

Utility model provides a kind of interior ring copper cap structure improvement of gas oven, its center endless tube that can be installed in gas oven uses, include a body 10 and and prevent covering 20 compositions, wherein, body 10 rounded hollow forms, an its upper and lower flame hole portion 11 and ring-type fit portion 12 of being formed with respectively, have a plurality of through-pores 13 on this flame hole portion 11, these body 10 tops are provided with a boarding hole 14, can connect this protective cover 20 in order to interlocking, the utility model is that mainly these body 10 outer walls are concaved with a storage tank 15 that is circular arc in one-body molded mode.

The plate body that protective cover 20 is rounded, its periphery radial outward is extended with a protruding eaves 21, and these protective cover 20 bottoms convex with an interlocking portion 22.This protective cover 20 is rabbeted the boarding hole 14 that is connected in body 10 with interlocking portion 22, make this protective cover 20 be connected in body 10 tops, and the protruding eaves 21 of this protective cover 20 is corresponding to vacant groove 15; Form the interior ring copper cap structure improvement of the utility model gas oven by above-mentioned composition.

As shown in Figure 4, ring copper lid can be installed in the center endless tube 41 of gas oven 40 in of the present utility model, it is socketed on the center endless tube 41 of gas oven 40 with the fit portion 12 of this body 10, the storage tank 15 of this body 10 can be in order to ccontaining one flame-out safety device thermocouple 30, the gas oven stove fire suffer high wind put out or the pot water overflow and stop up put out after, thermocouple 30 is after induction, can be in the regular hour, allow magnetic valve break away from rapidly, the gas runner formation of switch is opened circuit, avoid gas to continue to leak, and reach purpose of safety.The protruding eaves 21 of this protective cover 20 is positioned at storage tank 15 and thermocouple 30 tops, the protruding eaves 21 of this protective cover 20 can form protection to thermocouple 30, therefore during the gas culinary art, if the soup juice in the cooking ware is excessive because of boiling, can this protruding eaves 21 of mat prevent that thermocouple 30 from attaching soup juice or greasy dirt and lost efficacy.

The utility model mainly is in the storage tank 15 of ring copper lid body 10 in the thermocouple 30 with flame-out safety device is placed in, thermocouple 30 is embedded in the body 10 of interior ring copper lid, the body 10 of ring copper lid in this thermocouple 30 can try one's best, therefore extinguish at the gas oven stove fire, when the hot junction temperature of thermocouple 30 descends, the cold junction of thermocouple is because of the surplus temperature of ring copper lid in being subjected to influences, and makes to descend the cold junction temperature of thermocouple slowly (each is shown in Figure 5.) so hot junction and cold junction can comparatively fast arrive no temperature difference, make heat play electric power and comparatively fast disappear, so the shortening of the separation time of safety device.About only having 15 to claim approximately, ring copper covered fast 10～15 seconds in the tradition, made it have preferable security.

Moreover protective cover 20 of the present utility model is to be connected in body 10 tops in the interlocking mode, makes that the combination of body 10 and protective cover 20 is easy comparatively fast, and saving of work and time can have the effect that reduces cost.

In sum, the real thermocouple for the flame-out safety device that improves traditional gas oven of the utility model is installed in interior ring copper and covers outside the side certain distance, extinguish at the gas oven stove fire, the separation time of safety device is longer, makes the rare new and innovative product of problems such as its security is under suspicion.

But above-described only is the preferable possible embodiments of the utility model; be not so the protection domain of limitation the utility model claims; so the equivalent structure that all utilization the utility model are done changes, all should still belong in the scope of the utility model claims protection.

Claims

1, a kind of interior ring copper cap structure improvement of gas oven, it comprises:

One body, formation one has the flame hole portion of a plurality of through-pores on it; And

It is characterized in that: this body outer wall is one-body molded be concaved with one can be in order to the storage tank of the thermocouple of ccontaining flame-out safety device.

2, by the interior ring copper cap structure improvement of the described gas oven of claim 1, it is characterized in that described body, its top is provided with a boarding hole, and this protective cover bottom convexes with an interlocking portion, and this protective cover is the boarding hole that is connected in body with the interlocking of interlocking portion.

3, by the interior ring copper cap structure improvement of the described gas oven of claim 1, it is characterized in that described protective cover, it is the plate body of a circle.

4, by the interior ring copper cap structure improvement of the described gas oven of claim 1, it is characterized in that described protruding eaves, it is to extend along protective cover periphery radial outward.

5, connect the interior copper cap structure improvement of the described gas oven of claim 1, it is characterized in that described body, being formed with a ring-type on it can be connected to the center endless tube of gas in order to the fit portion of the center endless tube of socket one gas oven.

6, by the interior ring copper cap structure improvement of the described gas oven of claim 1, it is characterized in that described protective cover, its protruding eaves is corresponding to storage tank.