CN204743714U

CN204743714U - Mini rice cooker's heating member mounting structure

Info

Publication number: CN204743714U
Application number: CN201520424068.2U
Authority: CN
Inventors: 何志雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-06-19
Filing date: 2015-06-19
Publication date: 2015-11-11
Anticipated expiration: 2025-06-19

Abstract

The utility model relates to a mini rice cooker's heating member mounting structure, including outer pot, inner bag and electric heat -generating body, the inside middle level that is provided with of outer pot, middle level are provided with the cavity, the middle level diapire is opened jaggedly, characterized by, still including the heat conduction tray, the heat conduction tray sets up in medial cavity lower part, electric heat -generating body is connected in heat conduction end of tray portion, the inner bag setting medial cavity and liner bottom wall and heat conduction tray near or contact, this kind of mini rice cooker's heating member mounting structure has simple structure, reasonable, and inner bag and heating device are the disconnect -type, and the inner bag can take out the use alone, and moreover, the inner bag heating is even, and the heat is difficult to be scattered and disappeared, obviously increasing the heat efficiency's advantage.

Description

The calandria mounting structure of Miniature rice cooker

Technical field

The utility model relates to a kind of Miniature rice cooker, particularly a kind of calandria mounting structure of Miniature rice cooker.

Background technology

Existing Miniature rice cooker, comprises outer pot, inner bag and electric heater unit, and electric heater unit is PTC heater, and PTC heater is fixed on inner bag diapire, that is: inner bag and PTC heater are for being fixedly connected with; During work, PTC heater heating power, transfers heat to inner bag diapire.

But, the Miniature rice cooker calandria mounting structure of above-mentioned traditional structure, have the following disadvantages: (1) PTC heater is fixed on inner bag diapire, inner bag can not take out, inner bag only heats (heat trnasfer) by bottom PTC heater, and heat also easily scatters and disappears toward surrounding, so, the electric cooker of conventional P TC heating is heated uneven, and the thermal efficiency is lower; (2) in view of inner bag periphery heat easily scatters and disappears, and heating concentrates on bottom inner bag, and this heating is uneven, has a strong impact on by the mouthfeel of cooking food; Even because inner bag diapire is connected with Kick type temperature controller, and inner bag diapire Yin Wendu is too high, the too early power-off protection of temperature controller, causes the food on the inner bag top away from inner bag diapire not boiled, and makes food cause wave useless; (3) being fixedly connected with between inner bag with PTC heater, had both caused and had installed trouble, again because inner bag can not take out separately, caused certain inconvenience to routine use.

Utility model content

The purpose of this utility model is the deficiency overcoming the existence of above-mentioned prior art, and provide a kind of simple and reasonable for structure, inner bag and electric heater unit are separate type, inner bag can take out use separately, and, inner bag homogeneous heating, heat not easily scatters and disappears, and significantly improves the calandria mounting structure of the Miniature rice cooker of the thermal efficiency.

The purpose of this utility model is achieved in that

The calandria mounting structure of Miniature rice cooker, comprise outer pot, inner bag and electric heating body, outer pot inside is provided with middle level, middle level is provided with cavity, and described middle level diapire has breach, it is characterized in that, also include heat conduction pallet, heat conduction pallet is arranged on the cavity bottom in middle level, and electric heating body is connected to heat conduction tray bottom, and inner bag is arranged on the cavity in middle level and inner bag diapire and heat conduction pallet come close to or in contact with; The calandria mounting structure of this kind of Miniature rice cooker, by the inside at outer pot, middle level is set, cavity bottom, middle level is provided with heat conduction pallet and electric heating body, and above heat conduction pallet inner bag being placed in middle level cavity, make heat concentrate on middle level cavity, while preventing heat easily to scatter and disappear, both made inner bag be heated evenly, avoid the food of inner bag local not boiled, significantly improve the thermal efficiency again; Have again, in view of being detachable between inner bag and heat conduction pallet, both avoided both because being fixedly connected with, cause the deficiency that inner bag can not take out, make full use of again its tray area wide, heat toward rising, makes inner bag periphery be heated evenly along pallet both sides, cook the food of taste good, total is simple, reasonable.

The purpose of this utility model can also adopt following technical measures to solve:

As scheme more specifically, described electric heating body can be PTC heater, it includes PTC heat generating member and compressing tablet, PTC heater pressure is put in heat conduction tray bottom by compressing tablet, heat conduction pallet is directly transferred heat to make PTC heater, in view of the area of heat conduction pallet is comparatively large, significantly improves the heating surface (area) (HS to inner bag, improve its thermal efficiency.

Described compressing tablet is provided with recess, and PTC heat generating member is placed in recess, and upper surface and the heat conduction tray bottom of PTC heat generating member offset; PTC heat generating member can be stably limited on the recess of compressing tablet, prevents displacement, is conducive to the steady heat transfer to heat conduction pallet.

As preferred scheme, described compressing tablet is provided with two recesses, in each recess, is respectively mounted with a PTC heat generating member; Heat conduction pallet is conducted heat by two PTC heat generating members, and its heat-transfer effect is better, and, two PTC heat generating members are arranged in respective compressing tablet recess respectively, because of Miniature rice cooker vibrations or when moving, mutually can not can touch, keep keeping stable distance between two pieces of heat generating members.

As scheme more specifically, described heat conduction pallet and compressing tablet are connected and fixed by bolt assembly; The use of bolt assembly, facilitates heat conduction pallet, installation between compressing tablet and PTC heat generating member fixes.

Described bolt assembly comprises bolt and nut thereof, and bolt is successively through heat conduction pallet and compressing tablet, and the nut below bolt lower end and compressing tablet is spirally connected fixing, to make compressing tablet by the bottom of fastening nuts at heat conduction pallet; It regulates tautness easily, simply.

Described heat conduction pallet has heavy stand shape through hole, bolt head embeds in the heavy stand shape through hole on heat conduction pallet; That is, at heat conduction tray upper surface, can not be protruding because of the head of screw rod, cause the incomplete deficiency of the contact between inner bag diapire and heat conduction pallet; On the contrary, the head of screw rod is equivalent to " being hidden in heat conduction pallet ", on inner bag diapire without any impact.

As another embodiment of PTC heater, described PTC heater comprises PTC heat-generating pipe, heat-conducting plate and thermal insulation layer, heat-conducting plate is provided with and compresses chamber, described thermal insulation layer wraps PTC heat-generating pipe, they are pressed in the compression chamber of heat-conducting plate together, and heat-conducting plate is close to and is fixed on heat conduction tray bottom; This PTC heater, transfers heat to heat-conducting plate by PTC heat generating member, then passes to heat conduction pallet by heat-conducting plate, and it can realize the object of this patent equally.

Wherein, above-mentioned PTC heater, its heat-conducting plate and heat conduction pallet are connected and fixed by bolt assembly; This bolt assembly connected mode, not only simply, but also easy.

As concrete scheme, described heat-conducting plate has heat-conducting plate through hole, bolt through heat conduction pallet and heat-conducting plate through hole, and is spirally connected fixing with the nut below heat-conducting plate through hole, and heat-conducting plate is by the bottom of fastening nuts at heat conduction pallet; That is: PTC heat-generating pipe is by thermal insulation layer, transfers heat to heat-conducting plate, then transfers heat to heat conduction pallet by heat-conducting plate.

Described electric heating body also can be thick film heating sheet, and thick film heating sheet is fixed on heat conduction tray bottom; Thick film heating sheet heating power, heat passes to the heat conduction pallet of top.

The beneficial effects of the utility model are as follows:

(1) the calandria mounting structure of this kind of Miniature rice cooker, by the inside at outer pot, middle level is set, cavity bottom, middle level is provided with heat conduction pallet and electric heating body, and above heat conduction pallet inner bag being placed in middle level cavity, make heat concentrate on middle level cavity, while preventing heat easily to scatter and disappear, both made inner bag be heated evenly, avoid the food of inner bag local not boiled, significantly improve the thermal efficiency again; Have again, in view of being detachable between inner bag and heat conduction pallet, both avoided both because being fixedly connected with, cause the deficiency that inner bag can not take out, make full use of again its tray area wide, heat toward rising, makes inner bag periphery be heated evenly along pallet both sides, cook the food of taste good, total is simple, reasonable.

(2) further, electric heating body is PTC heater, it includes PTC heat generating member and compressing tablet, compressing tablet is provided with recess, and PTC heat generating member is placed in recess, and PTC heat generating member can be stably limited on the recess of compressing tablet, prevent displacement, be conducive to the steady heat transfer to heat conduction pallet; Have again, for improving heat-transfer effect, compressing tablet can be arranged two recesses, respectively be mounted with a PTC heat generating member in each recess, heat conduction pallet is conducted heat by two PTC heat generating members, its heat-transfer effect is better, and two PTC heat generating members are arranged in respective compressing tablet recess respectively, can not because of Miniature rice cooker vibrations or when moving, mutually can touch, keep keeping stable distance between two pieces of heat generating members.

(3) another, between heat conduction pallet and electric heating body, screw arbor assembly is set and is connected and fixed, its structure not only simply, but also rationally, install and remove simple and easy, and, easily tighten the tautness connected between them.

Accompanying drawing explanation

Fig. 1 is the calandria mounting structure schematic diagram of the utility model Miniature rice cooker.

Fig. 2 is the structural representation of heat conduction pallet of the present utility model and PTC heater 3.

Fig. 3 is the Miniature rice cooker heeling condition schematic diagram of Fig. 1.

Fig. 4 is another embodiment schematic diagram of Fig. 2.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is further described.

As shown in Figure 1 to Figure 3, a kind of calandria mounting structure of Miniature rice cooker, comprise outer pot 1, inner bag 2 and PTC heater 3, outer pot 1 inside is provided with middle level 4, and middle level 4 is provided with cavity 41, described middle level diapire 42 has breach 43, it is characterized in that, also include heat conduction pallet 5, heat conduction pallet 5 is arranged on cavity 41 bottom in middle level, PTC heater 3 is connected to bottom heat conduction pallet 5, and inner bag 2 is arranged on the cavity 41 in middle level and inner bag 2 diapire and heat conduction pallet 5 come close to or in contact with.

Shown in figure, described electric heating body 3 includes PTC heat generating member 31 and compressing tablet 32, and PTC heat generating member 31 pressure is put bottom heat conduction pallet 5 by compressing tablet 32; Compressing tablet 32 being provided with recess 33, PTC heat generating member 31 is placed in recess 33, offsets bottom the upper surface of PTC heat generating member 31 and heat conduction pallet 5.

Described compressing tablet 32 is provided with two recesses 33, in each recess 33, is respectively mounted with a PTC heat generating member 31, like this, can heating surface area be increased, improve the thermal efficiency and homogeneous heating.

Described heat conduction pallet 5 and compressing tablet 32 are connected and fixed by bolt assembly 6; Described bolt assembly 6 comprises bolt 61 and nut 62 thereof, and bolt 61 is successively through heat conduction pallet 5 and compressing tablet 32, and the nut 62 below bolt 61 lower end and compressing tablet 32 is spirally connected fixing, is fastened on the bottom of heat conduction pallet 5 to make compressing tablet 32 by nut 62.

Described heat conduction pallet 5 has heavy stand shape through hole 101, bolt 61 head embeds in the heavy stand shape through hole 101 on heat conduction pallet 5.

As shown in Figure 4, be another example structure relation schematic diagram of heat conduction pallet and PTC heater; Shown in figure, described electric heating body 3 is also PTC heater, its structure comprises PTC heat-generating pipe 7, heat-conducting plate 8 and thermal insulation layer 9, heat-conducting plate 8 is provided with and compresses chamber 10, described thermal insulation layer 9 wraps PTC heating 7 pipe, they are pressed in the compression chamber 10 of heat-conducting plate 8 together, and heat-conducting plate 8 is close to and is fixed on bottom heat conduction pallet 5.

Described heat-conducting plate 8 is connected and fixed by bolt assembly 6 with heat conduction pallet 5; Wherein, described heat-conducting plate 8 has heat-conducting plate through hole 81, bolt 61 through heat conduction pallet 5 and heat-conducting plate through hole, 81 and be spirally connected fixing with the nut 62 below heat-conducting plate through hole 81, heat-conducting plate 8 is fastened on the bottom of heat conduction pallet 5 by nut 62.

Certainly, described electric heating body 3 also can be other electric heating body, as: thick film heating sheet, thick film heating sheet is fixed on heat conduction tray bottom; This thick film heating sheet has the characteristic that volume is little, quality is light, is especially applicable to Miniature rice cooker uses.

Claims

1. the calandria mounting structure of Miniature rice cooker, comprise outer pot (1), inner bag (2) and electric heating body (3), outer pot (1) inside is provided with middle level (4), middle level (4) is provided with cavity (41), described middle level diapire (42) has breach (43), it is characterized in that, also include heat conduction pallet (5), heat conduction pallet (5) is arranged on cavity (41) bottom in middle level, electric heating body (3) is connected to heat conduction pallet (5) bottom, and inner bag (2) is arranged on the cavity (41) in middle level and inner bag (2) diapire and heat conduction pallet (5) come close to or in contact with.

2. the calandria mounting structure of Miniature rice cooker according to claim 1, it is characterized in that, described electric heating body (3) is PTC heater, and it includes PTC heat generating member (31) and compressing tablet (32), and PTC heat generating member (31) pressure is put in heat conduction pallet (5) bottom by compressing tablet (32).

3. the calandria mounting structure of Miniature rice cooker according to claim 2, it is characterized in that, described compressing tablet (32) is provided with recess (33), PTC heat generating member (31) is placed in recess (33), and the upper surface of PTC heat generating member (31) and heat conduction pallet (5) bottom offset.

4. the calandria mounting structure of Miniature rice cooker according to claim 3, is characterized in that, described compressing tablet (32) is provided with two recesses (33), be respectively mounted with a PTC heat generating member (31) in each recess (33).

5. the calandria mounting structure of Miniature rice cooker according to claim 4, it is characterized in that, described heat conduction pallet (5) and compressing tablet (32) are connected and fixed by bolt assembly (6), described bolt assembly (6) comprises bolt (61) and nut (62) thereof, bolt (61) is successively through heat conduction pallet (5) and compressing tablet (32), and the nut (62) of bolt (61) lower end and compressing tablet (32) below is spirally connected fixing, is fastened on the bottom of heat conduction pallet (5) to make compressing tablet (32) by nut (62).

6. the calandria mounting structure of Miniature rice cooker according to claim 5, is characterized in that, described heat conduction pallet (5) has heavy stand shape through hole (101), and bolt (61) head embeds in the heavy stand shape through hole (101) in heat conduction pallet (5).

7. the calandria mounting structure of Miniature rice cooker according to claim 1, it is characterized in that, described electric heating body (3) is PTC heater, it comprises PTC heat-generating pipe (7), heat-conducting plate (8) and thermal insulation layer (9), heat-conducting plate (8) is provided with and compresses chamber (10), described thermal insulation layer (9) wraps PTC heat-generating pipe (7), and they are pressed in the compression chamber (10) of heat-conducting plate (8) together, and heat-conducting plate (8) is close to and is fixed on heat conduction pallet (5) bottom.

8. the calandria mounting structure of Miniature rice cooker according to claim 7, is characterized in that, described heat-conducting plate (8) and heat conduction pallet (5) are connected and fixed by bolt assembly (6).

9. the calandria mounting structure of Miniature rice cooker according to claim 8, it is characterized in that, described heat-conducting plate (8) has heat-conducting plate through hole (81), bolt (61) is through heat conduction pallet (5) and heat-conducting plate (8), and being spirally connected fixing with nut (62), heat-conducting plate (8) is fastened on the bottom of heat conduction pallet (5) by nut (62).

10. the calandria mounting structure of Miniature rice cooker according to claim 1, it is characterized in that, described electric heating body (3) is thick film heating sheet, and thick film heating sheet is fixed on heat conduction pallet (5) bottom.