CN1714720A - Pot lid opening and closing device for pressure electric rice cooker - Google Patents
Pot lid opening and closing device for pressure electric rice cooker Download PDFInfo
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- CN1714720A CN1714720A CN 200410019558 CN200410019558A CN1714720A CN 1714720 A CN1714720 A CN 1714720A CN 200410019558 CN200410019558 CN 200410019558 CN 200410019558 A CN200410019558 A CN 200410019558A CN 1714720 A CN1714720 A CN 1714720A
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- pot cover
- pot
- opening
- fuselage
- rice cooker
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Abstract
The present invention relates to pot lid opening and closing device for pressure electric rice cooker. The pot lid is set on the cooker via hinge on one side of the cooker, and a spring is set onto the hinge shaft to provide elastic force in the direction of opening the pot lid. The spring has the first end closed to one side of the cooker body and the second end forming one bending elastic part for contact closely to one side of the pot lid. The present invention in the said structure can avoid too fast rotation of the opened pot lid.
Description
Technical field
The present invention relates to the electric cooker field.
Background technology
The invention relates to electric pressure rice cooker, more detailed saying so about the invention of the pot cover opening and closing device of electric pressure rice cooker.
Pot cover opening and closing device below with reference to the electric pressure rice cooker in the drawing explanation prior art.
Fig. 1 represents the sectional side view of the pot cover opening and closing device of the electric pressure rice cooker in the prior art.Pot cover opening and closing device shown in Fig. 2 presentation graphs 1 is opened the sectional side view of pot cover.
As shown in the figure, the fuselage 11 that inside is equipped with a pot body (not shown) is provided with pot cover 13, and pot cover 13 is used for opening and closing a pot body, and to be that the center is rotatable with the hinge axis 15 of transverse direction setting be arranged on the fuselage 11 pot cover 13.
In addition, hinge axis 15 is provided with at least one hinge spring 17, and hinge spring 17 can use the torsional mode spring, and a side of fuselage 11 and a side of pot cover 13 will respectively be close in the both ends 18,19 of hinge spring 17.Hinge spring 17 opens the elastic force of pot body direction of rotation for pot cover 13.
Simultaneously, pot cover 13 and hinge axis 15 bottom surface adjacent one side are provided with damping spring 20.Damping spring 20 is a disc spring, is fixed in bolt S on the fixed part 21 of pot cover 13 1 sides; Damping spring 20 partly is made up of fixed part 21, elastic portion 23, rake 25 etc., and elastic portion 23 is right-angle bending downwards from an end of fixed part 21; Rake 25 is in the downward-sloping prolongation of an end of elastic portion 23.
Damping spring 20 plays the pot cover 13 giddy effects that prevent.That is, when pot cover 13 rotates to an angle when above, damping spring 20 will be close to a side of pot cover 13 and compress, and use with the rightabout of direction of rotation and give pot cover 13 elastic forces.
Also have, for the state that keeps pot cover 13 to close pot body is provided with locking device (not shown).And, pot cover 13 with drawing under the state that rotates to an angle of clockwise direction, for prevent its equidirectional excessively rotation be provided with block.
Below, the course of work of the pot cover opening and closing device in the prior art of as above structure is described with reference to Fig. 1 and Fig. 2.
At first, as shown in Figure 1, close at pot cover 13 under the state of pot body, pot cover 13 will be fixed on the fuselage 11 by locking device.At this moment, hinge spring 17 will be by 13 one-tenth compressive states of fuselage 11 and pot cover.Thus, by the effect of hinge spring 17, will be subjected to clockwise elastic force on the drawing on the pot cover 13.
In addition, when releasing keeps pot cover 13 to close the locking device of pot body state, the clockwise direction rotation of elastic force on drawing that pot cover 13 will lean on hinge spring 17 to apply.Thus, as shown in Figure 2, the pot body will be opened.
At this moment, when pot cover 13 rotates to an angle when above for fuselage 11, the rake 25 of damping spring 20 will be close to a side of fuselage 11.When pot cover 13 continues rotation, damping spring 20 will be pushed by fuselage 11.
Thus, pot cover 13 will obtain anticlockwise power on the drawing by damping spring 20, promptly open the rightabout elastic force of pot body direction of rotation.So can prevent the quick rotation of pot cover 13 by the elastic force of damping spring 20.
But as above the pot cover opening and closing device of structural pressure electric cooker meal has following problem.
In prior art, use hinge spring 17 for opening pot cover 13, use damping spring 20 for the rotation rapidly that prevents pot cover 13 simultaneously.Thus, increased damping spring 20 and be used for fixing the parts such as bolt S of damping spring 20, thereby increased the components number of using in the electric pressure rice cooker.
In addition, hinge spring 17 will be arranged on the hinge axis 15, and by bolt S damping spring 20 will be set, thereby the process that pot cover 13 is arranged at fuselage 11 is comparatively complicated.
And when pot cover 13 rotates to an angle when above, the rake 25 of damping spring 20 will be close to fuselage 11 and be extruded.Thus, damping spring 20 will be close to fuselage 11 and action that extruding back breaks away from repeatedly, make corresponding to a side of the fuselage 11 of rake 25 to wear and tear easily, and then cause realizing the effect of damping spring 20.
Also have, generally the fuselage of being made by casting 11 may produce trickle powder when damped spring 20 wearing and tearing.Powder may flow into the inside of pot body or indoor and be absorbed by the body, and then may damage user's health.
Summary of the invention
Technical problem to be solved by this invention is, a kind of pot cover opening and closing device of electric pressure rice cooker is provided, and can reduce to constitute components number of the present invention, and processing and fabricating is simple, prevents the damage of product and prevents the generation of harmful substance.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the pot cover opening and closing device of electric pressure rice cooker includes the fuselage that its positioned inside has pot body; For opening and closing the rotatable pot cover that is arranged at fuselage of pot body; Give parts such as the certain flexible elastic component of pot cover, elastic component opens the elastic force of pot body direction of rotation for pot cover under pot body closing state with pot cover; Under pot cover is rotating to an angle above state, close pot elastic force of body direction of rotation with pot cover then for pot cover.
Described elastic component is the torsional mode spring that fuselage and pot cover respectively are close in both ends; An end of torsional mode spring of being close to pot cover has certain elasticity simultaneously along the rightabout bending of pot cover to the direction of rotation of opening the pot body.
Being centered close on the hinge axis as the pot cover pivot of described elastic component.
The invention has the beneficial effects as follows: at first, for preventing the rotating the damping spring that is provided with rapidly and will be removed of electric pressure rice cooker pot cover in the prior art, thereby can reduce the components number that constitutes product.
In addition,, in the process that opens and closes pot cover, can avoid damping spring to be squeezed in fuselage repeatedly, and again from the course of action that fuselage breaks away from, cause a side of fuselage to produce the phenomenon of wearing and tearing owing to remove damping spring in the prior art among the present invention.
And, by removing damping spring, can prevent that fuselage is worn owing to the effect of damping spring and produces fine-powder, and then can prevent to be harmful to the generation of the powder of user health.
Description of drawings
Fig. 1 represents the sectional side view of the pot cover opening and closing device of the electric pressure rice cooker in the prior art.
Pot cover opening and closing device shown in Fig. 2 presentation graphs 1 is opened the sectional side view of pot cover.
Fig. 3 represents the sectional side view of the pot cover opening and closing device of the electric pressure rice cooker among the present invention.
The side view of the hinge spring of embodiment in Fig. 4 presentation graphs 3.
The pot cover of embodiment shown in Fig. 5 a to Fig. 5 c presentation graphs 3 opens and closes the working state figure of process.
* the symbol description * of drawing major part
11: fuselage 33: pot cover
35: hinge axis 40: hinge spring
43: the 2 ends, 41: the 1 ends
45: elastic portion
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 represents the sectional side view of the pot cover opening and closing device of the electric pressure rice cooker among the present invention.The side view of the hinge spring of embodiment in Fig. 4 presentation graphs 3.
As shown in the figure, fuselage 31 1 sides of electric pressure rice cooker (not shown) are provided with pot cover 33, and to be that the center is rotatable with the hinge axis 35 of transverse direction setting be arranged on the fuselage 31 pot cover 33.In addition, hinge axis 35 is provided with at least one hinge spring 40.
Hinge spring 40 is used for to pot cover 33 with certain elastic force.Hinge spring 40 can use the torsional mode spring, and an end 41 of hinge spring 40 (to call the 1st end in the following text) is close to a side of fuselage 31 and supported; The other end 43 of hinge spring 40 (to call the 2nd end in the following text) then is close to a side of pot cover 33 and is supported.Wherein, be formed with the following elastic portion 45 that will illustrate on the 2nd end 43.
Around forming, and both shapes have a certain degree by a steel wire coil in the 1st and the 2nd end 41,43, thereby the 2nd end 43 will have certain elasticity under the fixing state in the 1st end 41.Here, the 1st and the 2nd end 41,43 is used for to the elastic force of pot cover 33 with the unlatching direction of rotation, thereby makes pot cover 33 open pot bodies.
In addition, be formed with elastic portion 45 on the 2nd end 43 of hinge spring 40, elastic portion 45 is used for rotating to an angle when above when pot cover 33, gives pot cover 33 to close elastic force on pot body direction.The direction that elastic portion 45 is reeled to the part of the 2nd end 43 is crooked and form, and just along the rightabout bending of pot cover to the direction of rotation of opening the pot body, and elastic portion 45 keeps being close under certain elastic stage a side of pot cover 33.
Though not shown, for the state that keeps pot cover 33 to close pot body is provided with locking device.Can prevent that by locking device the pot cover 33 that obtains elastic force from hinge spring 40 from rotating arbitrarily.
Simultaneously, a side of fuselage 31 is provided with block (not shown).Block is used at pot cover 33 after clockwise direction rotates to certain angle on the drawing, prevents under the state of opening the pot body, again with the excessive rotation of equidirectional.
The pot cover of embodiment shown in Fig. 5 a to Fig. 5 c presentation graphs 3 opens and closes the working state figure of process.
Illustrate that below with reference to Fig. 3 and Fig. 5 a to Fig. 5 c the pot cover among the pot cover opening and closing device embodiment of the as above electric pressure rice cooker of the present invention of structure opens and closes process.
At first, as shown in Figure 3, close under the state of fuselage 31, will close the pot body of fuselage 31 positioned inside at the pot cover 33 of electric pressure rice cooker.At this moment, pot cover 33 obtains opening pot elastic force of body direction of rotation by hinge spring 40, i.e. elastic force on the clockwise direction on the drawing.
The elastic force that pot cover 33 obtains is to be close to a side of fuselage 31 by the 1st end 41 of hinge spring 40, and counterclockwise push the elastic portion 45 that forms on hinge spring 40 the 2nd end 43, elastic portion 45 is close to that a side of pot cover 33 obtains, and elastic force is delivered to pot cover 33.The size of elastic force is then decided with the inclination angle that the 2nd end 43 is become by the 1st end 41.
Subsequently, keep pot cover 33 to close the locking device of the state of pot body with removing.Thus, shown in Fig. 5 a, the elastic force that pot cover 33 transmits by the 1st end 41 and the 2nd end 43 of hinge spring 40, the clockwise direction on drawing rotates.
The pot cover 33 of the elastic force rotation by hinge spring 40 returns to as shown in Figure 4 initial conditions with continuing rotation up to being in the 2nd end 43 under the squeezed state counterclockwise.Thus, pot cover 33 in above-mentioned scope, the elastic force of transmitting by the 1st end 41 and the 2nd end 43 and rotating.When exceeding the resilient force scope, pot cover 33 will lean on inertia and deadweight thereof to be rotated further.
Simultaneously, shown in Fig. 5 b, when the clockwise direction of pot cover 33 on drawing continues rotation, the elastic portion 45 of being close to pot cover 33 will be squeezed along equidirectional.But elastic portion 45 is for the 2nd end 43 crooked certain angle and have certain elasticity counterclockwise on drawing.Thus, the rotation of pot cover 33 is subjected to elastic portion 45 elasticity and hinders, and, prevents the quick rotation of pot cover 33 by elastic portion 45 that is.
In addition, pot cover 33 reduces its velocity of rotation by elastic portion 45, shown in Fig. 5 c, continues to rotate with the clockwise direction on the drawing.Under this state, a side of pot cover 33 is close to the upper end of the block that is provided with on the fuselage 31, and pot cover 33 will keep the opening of pot body.
Claims (3)
1. the pot cover opening and closing device of an electric pressure rice cooker includes the fuselage that its positioned inside has pot body; For opening and closing the rotatable pot cover that is arranged at fuselage of pot body; Give parts such as the certain flexible elastic component of pot cover, it is characterized in that: elastic component opens the elastic force of pot body direction of rotation for pot cover under pot body closing state with pot cover; Under pot cover is rotating to an angle above state, close pot elastic force of body direction of rotation with pot cover then for pot cover.
2. the pot cover opening and closing device of electric pressure rice cooker according to claim 1, it is characterized in that: elastic component is the torsional mode spring that fuselage and pot cover respectively are close in both ends; An end of torsional mode spring of being close to pot cover has certain elasticity simultaneously along the rightabout bending of pot cover to the direction of rotation of opening the pot body.
3. the pot cover opening and closing device of electric pressure rice cooker according to claim 1 and 2 is characterized in that: being centered close on the hinge axis as the pot cover pivot of elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019558 CN1714720A (en) | 2004-06-14 | 2004-06-14 | Pot lid opening and closing device for pressure electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019558 CN1714720A (en) | 2004-06-14 | 2004-06-14 | Pot lid opening and closing device for pressure electric rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1714720A true CN1714720A (en) | 2006-01-04 |
Family
ID=35821124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019558 Pending CN1714720A (en) | 2004-06-14 | 2004-06-14 | Pot lid opening and closing device for pressure electric rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1714720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374337A (en) * | 2017-08-16 | 2017-11-24 | 珠海格力电器股份有限公司 | A kind of hood-opening device and pan |
| CN107773047A (en) * | 2016-08-30 | 2018-03-09 | 松下知识产权经营株式会社 | Cooker |
-
2004
- 2004-06-14 CN CN 200410019558 patent/CN1714720A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773047A (en) * | 2016-08-30 | 2018-03-09 | 松下知识产权经营株式会社 | Cooker |
| CN107374337A (en) * | 2017-08-16 | 2017-11-24 | 珠海格力电器股份有限公司 | A kind of hood-opening device and pan |
| CN107374337B (en) * | 2017-08-16 | 2023-07-28 | 珠海格力电器股份有限公司 | Uncapping device and cooker |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |