CN202919894U - Electric heating inner pot provided with protection cover - Google Patents
Electric heating inner pot provided with protection cover Download PDFInfo
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- CN202919894U CN202919894U CN 201220581336 CN201220581336U CN202919894U CN 202919894 U CN202919894 U CN 202919894U CN 201220581336 CN201220581336 CN 201220581336 CN 201220581336 U CN201220581336 U CN 201220581336U CN 202919894 U CN202919894 U CN 202919894U
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- guard shield
- inner pot
- pot
- interior pot
- electric heating
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Abstract
The utility model relates to the technical field of electric heating cooking utensils, provides an electric heating inner pot provided with a protection cover, and solves the technical problems of complicated heating pipe sealing process, high material cost and manufacturing cost, poor waterproof performance, low reliability and the like of the inner pot in the prior art; and the electric heating inner pot is provided with a heating pipe hermetically fixed at the bottom and is high in heating efficiency, low in heat inertia, low in cost and good in safety performance. The electric heating inner pot comprises a barrel-shaped inner pot, wherein an annular boss is arranged on the outer ring surface of the inner pot close to the bottom of the inner pot; the corresponding inner pot on the lower side of the annular boss is covered with the protection cover; the protection cover is connected onto the lower end surface of the annular boss in a pushed way and connected with the outer ring surface of the inner pot in a hermetical iso-wall thickness manner; a sealed receiving cavity is formed between the inner pot and the protection cover; the electric heating pipe is arranged on the corresponding bottom surface of the inner pot in the receiving cavity; and an electric connection end of the electric heating pipe extends out of the protection cover. The protection cover is fixed to the inner pot by the expansion and contraction principle; and the electric heating inner pot is simple and convenient to process, good in sealing property, low in manufacturing cost and smooth and attractive in appearance.
Description
Technical field
The utility model relates to the electric-heating cooking utensil technical field, relates in particular to the sealing of a kind of heating tube and is fixed on interior pot bottom, and the efficiency of heating surface is high, and thermal inertia is little, and cost is low, security performance good with pot in the electric heating of guard shield.
Background technology
pan in existing electric-heating cooking utensil is generally by making a pot body after material during tensile, the heating of pot body is mainly by the electric calorifie installations such as electric hot plate or electric hot tray are set at bottom of pot body, pot body and electric calorifie installation transmission of heat by contact, not only the thermal efficiency is low, the culinary art weak effect, and the direct mode of pot in heating such as electric hot tray, wherein thermal inertia is typically implemented on time difference the automatic control effect of the electric-heating cooking utensil of normal pressure, therefore user's general sensation is not obvious, but when being used for heating voltage power pot, often pot inner pressure is out of control or control is inaccurate because large thermal inertia causes, even jeopardize personal safety when serious.
Chinese patent discloses a kind of Combined cooking pot (CN102090838A); comprise inner pan body and heating; inner pan body is the container body with pot wall and the bottom of a pan; block protective cover at the outside of inner pan body suit one; blocking protective cover is a matrix container; sealing is anchored on inner pan body; heating fixedly is placed in inner pan body and blocks in airtight cavity between protective cover; the pot body blocks the protective cover perisporium and is provided with the electric connector of realizing that heating is electrically connected to mains supply, and electric connector is arranged on the upper lateral part that pot body blocks protective cover.although this pan is fixed on heating bottom inner pan body, and establish one at the inner pan body outer cover and block protective cover, make heating be folded in inner pan body and block in the formed confined space of protective cover, not only improved the efficiency of heating surface, and block protective cover and play waterproof action, therefore safety in utilization also is improved, but owing to blocking the complete ladle cover of protective cover outside inner pan body, therefore material cost is high, and in order to guarantee to block the sealing of protective cover and inner pan body, welding is adopted in the upper end of blocking protective cover, riveted joint, crimping or screw thread etc. are connected on inner pan body, processing technology is complicated, wherein welding affects aesthetic property, and easily produce weld defect, cause whole pot body to be scrapped, easily make inner pan body during crimping and block the protective cover breakage, simultaneously said method all is difficult to guarantee sealing between the two, water resistance is poor, therefore reduced safety in utilization, and whole pan is heavy, be not easy to use and store and transport.
Summary of the invention
The utility model mainly has been to provide a kind of heating tube sealing and has been fixed on interior pot bottom, the efficiency of heating surface is high, thermal inertia is little, cost is low, security performance good with pot in the electric heating of guard shield, solved the interior pot heating tube sealing processed complex that exists in the prior art, material cost and manufacturing cost are high, the technical problems such as water resistance is poor, and safety and reliability are low.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of with pot in the electric heating of guard shield, comprise barrel-shaped interior pot, be provided with annular boss on the interior pot outer ring surface near interior pot bottom, be covered with guard shield outside interior pot corresponding to annular boss downside, the guard shield apical grafting on the lower surface of annular boss and with airtight connection of the wall thickness such as outer ring surface of interior pot, and form airtight container cavity between interior pot and guard shield, be provided with electrothermal tube on the interior the bottom of a pan face of correspondence in container cavity, the electric connecting terminal on electrothermal tube extends to outside guard shield.electrothermal tube is fixed on interior pot outer bottom, the efficiency of heating surface is high, by near on the outer ring surface of interior pot bottom, annular boss being set, after electrothermal tube is fixed on interior pot outer bottom, can electrothermal tube be located in the container cavity that guard shield and interior pot outer bottom enclose by guard shield, due to the upper port apical grafting of guard shield on the lower surface of annular boss, and between the outer ring surface of guard shield and interior pot for etc. wall thickness is airtight is connected, can first guard shield be heated during the guard shield assembling, the guard shield gland that again heat expansion is enlarged is at interior pot bottom, fixing after pot in Automatic-clamping after the cooling contraction of guard shield, annular boss not only plays the effect of location, guaranteed the uniformity of electrothermal tube spatial accommodation, and under the prerequisite that the clamping engagement face of guard shield and interior pot meets the demands, reduced the height of guard shield, thereby saved material cost, by principle of expanding with heat and contracting with cold, guard shield easily firmly is fixed on the interior pot bottom outside, not only process simple and convenient, low cost of manufacture, and flat appearance is attractive in appearance, good airproof performance has improved the safety in utilization of pan, has extended service life.
As preferably, described guard shield is drum-shaped, and the outer ring surface of guard shield is concordant with the outer ring surface of annular boss, middle part, bottom surface at guard shield is provided with protruding temperature controller holding tank to container cavity, middle part, bottom surface at the temperature controller holding tank is provided with the temperature controller entrance hole that is connected with interior the bottom of a pan face, be equipped with the heat-proof silica gel circle outside the temperature controller entrance hole, the heat-proof silica gel circle is folded between the bottom surface of interior pot and temperature controller holding tank.When the outer ring surface of guard shield is concordant with the outer ring surface of annular boss, not only improve aesthetic property, and can guarantee that interior pot expanded by heating or cooling contraction after compound are consistent, guarantee that guard shield reliably is connected with interior pot; The temperature controller holding tank is in placing thermo detector or temperature controller, and the installation of temperature controller when measuring guard shield temperature or pan assembling when assembling; Hot silica gel ring improves sealing, prevent steam from temperature controller entrance hole place to the container cavity internal leakage.
The electrical socket mounting groove can be arranged on the outer ring surface of guard shield, as preferably, is provided with protruding electrical socket mounting groove to container cavity on the bottom surface of described guard shield, and the electric connecting terminal of electrothermal tube extends in the electrical socket mounting groove.When the electrical socket mounting groove was positioned at the guard shield bottom surface, rational in infrastructure, the electric connecting terminal of being convenient to electrothermal tube is drawn, and was easy to assembly.
As preferably, described annular boss is connected with interior pot integral type, and the outer ring surface of annular boss extends upwardly to the openend of interior pot.Process by the outside, bottom at interior pot the ring surface that matches with guard shield, simple in structure, easy to make, and can guarantee that pot body after compound is out of shape unanimously up and down, guarantees that guard shield reliably connects.
Therefore, of the present utility model a kind ofly have following advantage with pan in the electric heating of guard shield: the direct soldering of electrothermal tube is fixed on the bottom of interior pot, and thermal inertia is low, and the thermal efficiency is high; The interior pot bottom shroud guard shield of correspondence outside electrothermal tube, safety in utilization is good; Guard shield is fixed on interior pot by principle of expanding with heat and contracting with cold, and processing and fabricating is simple, and cost is low, and bonding strength is high, long service life, good airproof performance; The guard shield cover covers on interior pot bottom, saves material.
Description of drawings:
Fig. 1 is the structural representation after the utility model removes guard shield;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is the enlarged drawing at A shown in Figure 2 place;
Fig. 4 is the enlarged drawing at B shown in Figure 2 place;
Fig. 5 is the structural representation of the utility model medium-high frequency induction heating equipment;
Fig. 6 is the structural representation of hydraulic press in the utility model.
The specific embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
as shown in Figure 1, of the present utility model a kind of with pot in the electric heating of guard shield, comprise pot 1 in barrel-shaped stainless steel, interior pot 1 wall thickness is 3mm, overall diameter is φ 244 mm, overall diameter is φ 242 mm to the bottom outer ring surface of interior pot 1 through turning processing or after stretching, make interior pot 1 top formation extend to the annular boss 11 of openend, as shown in Figure 2, guard shield 2 at a stainless steel of interior pot 1 outer coaxial package corresponding to annular boss 11 downsides, guard shield 2 also is drum-shaped, its wall thickness is 1mm, interior diameter is φ 241 mm, as shown in Figure 4, the openend apical grafting of guard shield 2 on the lower surface of annular boss 11 and with airtight connection of the wall thickness such as outer ring surface of interior pot 1, make interior pot 1 bottom outside and 2 of guard shields form an airtight container cavity 3, fix the electrothermal tube 4 of an annular in the interior pot 1 bottom surface middle part soldering of container cavity 3 interior correspondences, as shown in Figure 3, there is a protruding temperature controller holding tank 21 to container cavity 3 at middle part, bottom surface at guard shield 2, middle part, bottom surface at temperature controller holding tank 21 has a temperature controller entrance hole 22 that is connected with interior pot of 1 bottom surface, establish a heat-proof silica gel circle 23 at temperature controller entrance hole 22 outer shrouds, heat-proof silica gel circle 23 is clamping between the bottom surface of interior pot 1 and temperature controller holding tank 21, also has a protruding electrical socket mounting groove 24 to container cavity 3 on the bottom surface of guard shield 2, electric connecting terminal 41 on electrothermal tube 4 vertically downward and extend in electrical socket mounting groove 24.For the ease of processing and forming, temperature controller holding tank 21 and electrical socket mounting groove 24 are weldingly fixed on guard shield 2 bottom surfaces.
During use, comprise following sequential steps:
1) prefabricated interior pot assembly: pot assembly in electrothermal tube 4 solderings are formed in the middle part of interior pot of 1 bottom surface, more internally a pot assembly carries out the hardening oxidation processing;
2) preparation one cover HF induction heating apparatus 5 and hydraulic press 6, hydraulic press 6 is the C type hydraulic machine of 10 tons of pressure, on HF induction heating apparatus 5, temperature controller is housed;
3) electromagnetic induction coil 51 prefabricated according to the shape size of guard shield 2;
4) die 7 prefabricated according to the shape size of guard shield 2 and die positioning seat 8, die 7 asbestos are made, according to the prefabricated punch 9 of shape size of interior pot 1;
5) lowering or hoisting gear 10 is housed below electromagnetic induction coil 51, guard shield 2 is placed on die 7, then die 7 is placed on lowering or hoisting gear 10, guard shield 2 extend in electromagnetic induction coil 51 by lowering or hoisting gear 10;
6) die positioning seat 8 is fixed on the below of the walking beam of hydraulic press 6, punch 9 is arranged on the walking beam of hydraulic press 6, interior pot assembly is arranged on punch 9;
7) start HF induction heating apparatus 5, electromagnetic induction coil 51 energising 8 to 12 seconds, temperature controller is measured guard shield 2 temperature automatically, temperature controller autoshutdown HF induction heating apparatus 5 when guard shield 2 temperature rises to 750 ℃, take out the guard shield 2 in die 7 and die 7, and die 7 is placed on die positioning seat 8 together with guard shield 2;
8) the primer fluid press 6, will be pressed in guard shield 2 with the punch 9 of interior pot assembly and apical grafting on annular boss 11 lower surfaces;
9) rise punch 9, take off the complex inner boiler that assembles;
10) check complex inner boiler: at first checking, whether symmetrical pressing puts in place pot 1, the inside pot 1 appropriate water of interior filling again, complex inner boiler is switched on and is heated to the water boiling, outwell again boiling water and the inside pot 1 appropriate cold water of filling immediately, in checking, whether pot 1 has detachment defects with guard shield 2 junctions, at last again to the complex inner boiler dry combustion method test of switching on.
Step 1) wherein, step 2), can exchange between step 3) and step 4), step 5) to step 10) is carried out in step 1) order to step 4).
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
- one kind with in the electric heating of guard shield the pot, comprise barrel-shaped interior pot (1), it is characterized in that: be provided with annular boss (11) on interior pot (1) outer ring surface near interior pot (1) bottom, be covered with guard shield (2) outside interior pot (1) corresponding to annular boss (11) downside, guard shield (2) apical grafting on the lower surface of annular boss (11) and with airtight connection of the wall thickness such as outer ring surface of interior pot (1), and form airtight container cavity (3) between interior pot (1) and guard shield (2), be provided with electrothermal tube (4) on interior pot of (1) bottom surface of correspondence in container cavity (3), electric connecting terminal (41) on electrothermal tube (4) extends to outside guard shield (2).
- 2. according to claim 1 a kind of with pot in the electric heating of guard shield, it is characterized in that: described guard shield (2) is drum-shaped, and the outer ring surface of guard shield (2) is concordant with the outer ring surface of annular boss (11), middle part, bottom surface at guard shield (2) is provided with protruding temperature controller holding tank (21) to container cavity (3), middle part, bottom surface at temperature controller holding tank (21) is provided with the temperature controller entrance hole (22) that is connected with interior pot of (1) bottom surface, be equipped with heat-proof silica gel circle (23) outside temperature controller entrance hole (22), heat-proof silica gel circle (23) is folded between the bottom surface of interior pot (1) and temperature controller holding tank (21).
- 3. according to claim 1 and 2 a kind of with pot in the electric heating of guard shield, it is characterized in that: be provided with protruding electrical socket mounting groove (24) to container cavity (3) on the bottom surface of described guard shield (2), the electric connecting terminal (41) of electrothermal tube (4) extends in electrical socket mounting groove (24).
- 4. according to claim 1 and 2 a kind of with pot in the electric heating of guard shield, it is characterized in that: described annular boss (11) is connected with interior pot (1) integral type, and the outer ring surface of annular boss (11) extends upwardly to the openend of interior pot (1).
- 5. according to claim 3 a kind of with pot in the electric heating of guard shield, it is characterized in that: described annular boss (11) is connected with interior pot (1) integral type, and the outer ring surface of annular boss (11) extends upwardly to the openend of interior pot (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581336 CN202919894U (en) | 2012-11-07 | 2012-11-07 | Electric heating inner pot provided with protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581336 CN202919894U (en) | 2012-11-07 | 2012-11-07 | Electric heating inner pot provided with protection cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202919894U true CN202919894U (en) | 2013-05-08 |
Family
ID=48209891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220581336 Expired - Fee Related CN202919894U (en) | 2012-11-07 | 2012-11-07 | Electric heating inner pot provided with protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202919894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040351A (en) * | 2012-11-07 | 2013-04-17 | 杭州永耀科技有限公司 | Electric heating inner pot with protective cover and manufacturing method of electric heating inner pot |
| CN106466126A (en) * | 2015-08-21 | 2017-03-01 | 浙江苏泊尔家电制造有限公司 | Method for pot in the interior pot of cooker, cooker and manufacture |
-
2012
- 2012-11-07 CN CN 201220581336 patent/CN202919894U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040351A (en) * | 2012-11-07 | 2013-04-17 | 杭州永耀科技有限公司 | Electric heating inner pot with protective cover and manufacturing method of electric heating inner pot |
| CN106466126A (en) * | 2015-08-21 | 2017-03-01 | 浙江苏泊尔家电制造有限公司 | Method for pot in the interior pot of cooker, cooker and manufacture |
| CN106466126B (en) * | 2015-08-21 | 2023-09-29 | 浙江苏泊尔家电制造有限公司 | Inner pot for rice cooker, rice cooker and method for manufacturing inner pot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CAI PEIHUA Free format text: FORMER OWNER: HANGZHOU YONGYAO TECHNOLOGY CO., LTD. Effective date: 20131213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Peihua Inventor before: Zhang Maojun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311118 HANGZHOU, ZHEJIANG PROVINCE TO: 230031 HEFEI, ANHUI PROVINCE Free format text: CORRECT: INVENTOR; FROM: ZHANG MAOJUN TO: CAI PEIHUA |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131213 Address after: 406, room 37, 230031, Olin garden, 333 Qingxi Road, Anhui, Hefei Patentee after: Cai Peihua Address before: 311118, Zhejiang City, Hangzhou province Yuhang Huang Lake Town on the throne Patentee before: Hangzhou Yongyao Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151107 |
|
| EXPY | Termination of patent right or utility model |