CN1465322A - Fault open prevention device for electric pressure cooker - Google Patents
Fault open prevention device for electric pressure cooker Download PDFInfo
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- CN1465322A CN1465322A CNA021236178A CN02123617A CN1465322A CN 1465322 A CN1465322 A CN 1465322A CN A021236178 A CNA021236178 A CN A021236178A CN 02123617 A CN02123617 A CN 02123617A CN 1465322 A CN1465322 A CN 1465322A
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- rotation
- locking ring
- electric pressure
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Abstract
The present invention relates to a device for preventing pressure electric cooker from being error-opened. It includes several flange portions which are arranged on its upper periphery and spaced each other, and internal cooker which is placed in the self body, upper heating disk which can be turnably fixed on the upper portion of the internal cooker, several latch hook pieces which are set on the low portion of the periphery of the heating disk and matched with the above-mentioned flange portions and locking rings which can be used to make the heating disk and internal cooker be tightly combined together or make them eliminate said combined state.
Description
Technical field
The present invention relates to the electric pressure in the kitchen utensils of a kind of daily necessities field, particularly relate to a kind ofly under the superatmospheric high pressure conditions of interior pot pressure inside, can prevent the fault open prevention device for electric pressure cooker that causes pot cover fault open phenomenon because of user's carelessness.
Background technology
In general, existing electric pressure is to be heating source with the electricity, and portion can keep the cooking utensils of certain pressure within it.
See also Fig. 1, shown in Figure 2, wherein Fig. 1 is the structural profile schematic diagram of existing electric pressure, and Fig. 2 is the enlarged diagram of A portion among Fig. 1.As shown in the figure, existing electric pressure is made up of body 100 and the above-mentioned body 100 inner pot covers 200 that open and close of control substantially.
Above-mentioned body 100 consists of the following components: body outer container 100a; Be fixed on above-mentioned body outer container 100a inboard, and pot 110 in portion can place within it, its top is the interior pot support portion 120 of open shape; Be arranged on the vertical lower of above-mentioned interior pot support portion 120, inwardly the lower heating dish 130 of pot 110 supply electric heating; And around above-mentioned interior pot support portion 120, and the side heat dish 140 of inside pot side periphery supply electric heating.
Above-mentioned pot cover 200 consists of the following components: be connected and openable top cover 210 with hinge with the body outer container 100a that constitutes body; Be fixed on the inner cap 220 of above-mentioned top cover 210 inboards; Be fixed on the above-mentioned inner cap 220, to the top heating plate 230 of the interior pot 110 tops supply electric heating that constitutes body 100; Expose the upper end to above-mentioned top cover 210 outsides, and expose the vapour-discharge tube 280 of bottom to the downside of top heating plate 230; And the upper end that is arranged on above-mentioned vapour-discharge tube 280 also can open and close the pressure cone 285 of passage as required.
Opening pot cover 200, under the state of open body 100 inside, be placed in the interior pot support portion 120, covering pot cover 200 again and can close body interior the interior pot 110 for the treatment of Stewed Dish is housed.
At this moment, the button if the user selects to boil, then make body 100 lower heating dish 130 and side heat dish 140 and constitute top heating plate 230 heating powers of inner cap 220, these electric heating are delivered to the interior pot support portion 120 in the above-mentioned body 100.Along with pot support portion 120 heating in above-mentioned, and the Stewed Dish for the treatment of in the pot 110 is heated in being placed on, thereby boils.
Above-mentioned electric pressure has locking ring 240, and the user just can make lever 290 above-mentioned pot cover 200 be locked on the body to the rotation of pot cover 200 closing directions.Otherwise, just can unlock lever 290 toward the rightabout rotation.In the process that boils, body interior is in the high temperature and high pressure state, if pot cover is unlocked, the user can be scalded because of heat of steam.Locking ring is taken precautions against this situation in possible trouble exactly.
As shown in Figure 1 and Figure 2, above-mentioned locking ring 240, it comprises: the upper end periphery that constitutes the interior pot 110 of above-mentioned body 100 is provided with several flange parts 115 that fall into to evagination of certain intervals; Be fixed on the inner cap 220, be packaged in top heating plate 230 outer periphery and rotatable ring-type locking ring 240; And basifacial is provided with in several of certain intervals to protruding sunken hook plate 245 around the above-mentioned locking ring.
The existing locking ring 240 that above-mentioned structure like this constitutes, under the state of closing pot cover 200, before the user closes lever 290 toward pot cover 200 direction is rotated, because of the hook plate 245 of locking ring 240 be between each flange parts 115 of pot 110 upper ends, so above-mentioned pot cover 200 is in the state that is not locked in body 100.
At this moment, if the user closes lever 290 toward pot cover 200 direction rotation, each flange part 115 of interior pot 110 and the hook plate 245 of locking ring 240 will be up and down side by side, and above-mentioned each flange part 115 is buckled on the hook plate 245, thereby pot cover 200 is locked on the body 100.
But, when above-mentioned inner pan of pressure electric cooker 110 is in the superatmospheric high pressure conditions of pressure, do not prevent locking ring 240 other rotation preventing structure because possess, because of carelessness lever is rotated toward pot cover 200 opening directions and scalded by high-temperature steam or problem such as the accident of blasting so can appear in the cooking process user to pot cover 200 opening directions rotations.
And, pot interior pressure is unlike the process height that boils after entering holding stage, but because the hook plate of above-mentioned locking ring 240 245 continues and the flange part 115 of interior pot 110 contacts and keep certain pressure, user's rotary manipulation handle 290 produces bigger pressure on above-mentioned locking ring and flange part 115 contact-making surfaces, might damage both contact-making surfaces.
This shows that above-mentioned existing electric pressure does not make it have many defectives because fault open prevention device is set, and the assistant officer treats further to be improved.
In order to solve the problems referred to above that above-mentioned existing electric pressure exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing electric pressure exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of fault open prevention device for electric pressure cooker of new structure, can improve general existing on the market conventional electric pressure structure, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing electric pressure exists, and a kind of fault open prevention device for electric pressure cooker of new structure, technical problem underlying to be solved are provided is it to be had when interior pot pressure inside surpasses atmospheric pressure can prevent the effect of locking ring toward the rotation of pot cover opening direction.
Purpose of the present invention and to solve its technical problem underlying be to adopt following technical scheme to realize.According to the fault open prevention device for electric pressure cooker that the present invention proposes, it comprises along end periphery it on and is provided with several flange parts 115 at regular intervals and is placed in the body 100 interior pot 110; And can be fixed on rotatably open and close above-mentioned in around the top heating plate 230 of pot 110 on the face, and the bottom of face convexes with several hook plates 245 at regular intervals that can be connected with above-mentioned flange part 115 around it, can make top heating plate 230 and above-mentioned in pot 110 close in conjunction with or remove the locking ring 240 of bonding state.Have on the corresponding surface that above-mentioned flange part 115 and hook plate 245 are connected and under the outside high state of interior pot 110 built-in pressure ratios, prevent the inwardly rotation preventive apparatus of pot 110 opening directions rotation of locking ring 240.
The object of the invention to solve the technical problems can also adopt following technical measures further to realize.
Aforesaid fault open prevention device for electric pressure cooker, wherein said rotation preventive apparatus are that the rotation that upwards is convexly equipped with on the hook plate 245 of above-mentioned locking ring 240 prevents projection 245a; And and rotation prevent that projection 245a is corresponding and insert, at the protruding insertion groove 115a that enters in bottom surface of interior pot flange part 115.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, when the present invention boils function and heat insulation function in implementation, rotation prevents projection 245a and insertion groove 115a combination in correspondence with each other, and even the rotation of restriction locking ring is because of user's phenomenon that pot is opened suddenly in the rotary manipulation handle can not occur yet unintentionally.And the rotation of locking ring is restricted equally when selecting heat insulation function, and the surface damage that produces because of friction can not appear in the contact-making surface of locking ring 240 and flange part 115.
In sum, the fault open prevention device for electric pressure cooker of special construction of the present invention has the effect that can prevent the past pot cover opening direction rotation of locking ring when interior pot pressure inside surpasses atmospheric pressure.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use, no matter and it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the generalized section of existing electric pressure.
Fig. 2 is the enlarged diagram of A portion among Fig. 1.
Fig. 3 is the decomposing schematic representation of fault open prevention device for electric pressure cooker of the present invention.
Fig. 4 a is the working state schematic representation one of fault open prevention device for electric pressure cooker of the present invention under the inner different pressures of interior pot.
Fig. 4 b is the working state schematic representation two of fault open prevention device for electric pressure cooker of the present invention under the inner different pressures of interior pot.
100 ... body 100a ... the body outer container
110 ... interior pot 115 ... flange part
115a ... insertion groove 120 ... interior pot support portion
130 ... lower heating dish 140 ... the side heat dish
200 ... pot cover 210 ... top cover
220 ... inner cap 230 ... the top heating plate
240 ... locking ring 245 ... hook plate
245a ... rotation prevents projection 280 ... vapour-discharge tube
285 ... pressure cone 290 ... lever
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of fault open prevention device for electric pressure cooker, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
For parts identical with existing electric pressure in the main composition key element of the present invention, please refer to Fig. 1 in the following description, the same tag that prior art shown in Figure 2 provides will not done detailed explanation.
See also Fig. 3, reach Fig. 4 a, 4b, Fig. 3 is the decomposing schematic representation of fault open prevention device for electric pressure cooker of the present invention, and Fig. 4 a, 4b are the working state schematic representation of fault open prevention device for electric pressure cooker of the present invention under the inner different pressures of interior pot.
The said electric pressure locking device of the present invention is included in several flange parts 115 that fall into to evagination that are provided with certain intervals along the upper end periphery of the interior pot 110 of body 100; Be fixed on the inner cap 220, be packaged in top heating plate 230 outer periphery and rotatable ring-type locking ring 240; Basifacial is provided with in several of certain intervals to protruding sunken hook plate 245 around above-mentioned locking ring 240.Above technology contents as shown in Figure 1 and Figure 2, its structure is the same with aforementioned prior art constructions, so repeat no more.
In addition, pot 110 upper end prevents the rotation preventive apparatus of pot cover locking ring to the opening direction rotation when pot air pressure inside surpasses atmospheric pressure in being provided with on peripheral part of flange part 115 that evagination falls into and interior pot 120 upper surfaces, support portion in above-mentioned.
The structure of the rotation preventive apparatus of fault open prevention device for electric pressure cooker of the present invention is described in more detail below.
Above-mentioned rotation preventive apparatus, its rotation that upwards is convexly equipped with above hook plate 245 by the above-mentioned locking ring 240 on the pot cover 200 prevent that the rotation that interior pot 110 flange parts 115 bottom surfaces in projection 245a and the body 100 are provided with from preventing that projection 245a from can be formed by the corresponding insertion groove 115a that inserts.
Above-mentioned rotation prevents that the formation position of projection 245a and insertion groove 115a is exactly the position that above-mentioned locking ring 240 restriction pot covers 200 are opened, above-below direction position in correspondence with each other when promptly pot cover 200 is in the lock state.
Boil or enter after the holding stage, the hook plate 245 of locking ring 240 and the flange part 115 of interior pot 110 more closely contacted when interior pot 110 internal pressures surpassed atmospheric pressure, above-mentioned rotation prevents that projection 245a correspondence is inserted in the insertion groove 115a, the rotation of pot locking ring 240 in can retraining thus.
On the other hand, as shown in Figures 3 and 4, above-mentioned rotation prevents that projection 245a from being semi-spherical shape, and above-mentioned insertion groove 115a prevents the corresponding hemispherical depression of projection 245a with above-mentioned rotation, and the respective outer side edges of the two also can adopt the structure of other shape.
No matter adopt any shape,, prevent that locking ring 240 is just passable to the direction rotation of pot cover unlatching as long as interior pot 110 pressure inside make the hook plate 245 and the more closely combination of interior pot flange part 115 of locking ring 240.
And, above-mentioned rotation prevents that projection 245a and insertion groove 115a are when locking ring 240 and interior pot 110 shape, on hook plate 245 and flange part 115, be processed to form together respectively, make rotation preventive apparatus and need not add extra operation, so the making engineering is fairly simple.
Below explain in detail the workflow and the effect thereof of the rotation preventive apparatus of the embodiment of the invention of forming by aforementioned structure.
Seeing also shown in Fig. 4 a, is the working state schematic representation of the rotation preventive apparatus before boiling.Shown in Fig. 4 a, the user is placed into interior pot 110 in the body 100, then lever 290 is rotated to pot cover 200 locking directions, and electric pressure this moment interior pot of inner air pressure and atmospheric pressure is very nearly the same.So the corresponding surface between the hook plate 245 of locking ring 240 and the interior pot flange part 115 maintains a certain distance up and down.
At this moment, rotation prevents between projection 245a and the insertion groove 115a certain distance and up and down vertical opposite is arranged.
The user selects to boil behind the button, through after a while, the air pressure of interior pot 110 inside far surpasses atmospheric pressure, and the corresponding surface between the hook plate 245 of locking ring 240 and the interior pot flange part 115 has tight contact, and rotation simultaneously prevents projection 245a insertion insertion groove 115a inside.
At this moment, above-mentioned rotation prevents projection 245a and insertion groove 115a combination in correspondence with each other, and the rotation of locking ring 240 is restricted thereupon.
Therefore, even the user opens lever 290 unintentionally to pot cover direction rotation, the interior pot 110 of HTHP can not be opened yet, because the rotation of locking ring is subjected to above-mentioned rotation to prevent the restriction of projection 245a and insertion groove 115a.
Equally, rotation prevents projection 245a and insertion groove 115a combination in correspondence with each other when carrying out heat insulation function, and the rotation of restriction locking ring 240 is not so the surface damage that produces because of friction can appear in the contact-making surface of locking ring 240 and flange part 115.
It is pointed out that purpose discussed above is to help reader understanding's technical scheme of the present invention, is not unique the practicing of the present invention.In the scope of the technology of the present invention design, various structural changes can be arranged.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (2)
1, a kind of fault open prevention device for electric pressure cooker is characterized in that it comprises:
Be provided with several flange parts 115 at regular intervals and be placed on interior pot 110 in the body 100 along end periphery on it;
And can be fixed on rotatably open and close above-mentioned in around the top heating plate 230 of pot 110 on the face, and the bottom of face convexes with several hook plates 245 at regular intervals that can be connected with above-mentioned flange part 115 around it, can make top heating plate 230 and above-mentioned in pot 110 close in conjunction with or remove the locking ring 240 of bonding state;
Have on the corresponding surface that above-mentioned flange part 115 and hook plate 245 are connected and under the outside high state of interior pot 110 built-in pressure ratios, prevent the inwardly rotation preventive apparatus of pot 110 opening directions rotation of locking ring 240.
2, fault open prevention device for electric pressure cooker according to claim 1 is characterized in that wherein said rotation preventive apparatus is that the rotation that upwards is convexly equipped with prevents projection 245a on the hook plate 245 of above-mentioned locking ring 240; And and rotation prevent that projection 245a is corresponding and insert, at the protruding insertion groove 115a that enters in bottom surface of interior pot flange part 115.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021236178A CN1465322A (en) | 2002-07-04 | 2002-07-04 | Fault open prevention device for electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021236178A CN1465322A (en) | 2002-07-04 | 2002-07-04 | Fault open prevention device for electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1465322A true CN1465322A (en) | 2004-01-07 |
Family
ID=34142413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021236178A Pending CN1465322A (en) | 2002-07-04 | 2002-07-04 | Fault open prevention device for electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1465322A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379634A (en) * | 2016-12-15 | 2017-02-08 | 北京市茶素材技术有限公司 | Connecting structure for body and cover |
| CN110448201A (en) * | 2019-08-23 | 2019-11-15 | 莱克电气股份有限公司 | A kind of cooking machine |
| US20210022541A1 (en) * | 2019-07-26 | 2021-01-28 | Sara Elizabeth Bauer | Electric Pressure Cooker Rim Cover |
| WO2021021530A1 (en) * | 2019-07-26 | 2021-02-04 | Bauer Sara Elizabeth | Electric pressure cooker rim cover |
-
2002
- 2002-07-04 CN CNA021236178A patent/CN1465322A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379634A (en) * | 2016-12-15 | 2017-02-08 | 北京市茶素材技术有限公司 | Connecting structure for body and cover |
| US20210022541A1 (en) * | 2019-07-26 | 2021-01-28 | Sara Elizabeth Bauer | Electric Pressure Cooker Rim Cover |
| WO2021021530A1 (en) * | 2019-07-26 | 2021-02-04 | Bauer Sara Elizabeth | Electric pressure cooker rim cover |
| CN110448201A (en) * | 2019-08-23 | 2019-11-15 | 莱克电气股份有限公司 | A kind of cooking machine |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |