CN1565325A - Electric cooker - Google Patents
Electric cooker Download PDFInfo
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- CN1565325A CN1565325A CN 03130161 CN03130161A CN1565325A CN 1565325 A CN1565325 A CN 1565325A CN 03130161 CN03130161 CN 03130161 CN 03130161 A CN03130161 A CN 03130161A CN 1565325 A CN1565325 A CN 1565325A
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- pot
- pot cover
- hinge
- spring
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Abstract
Disclosed is an electric cooker, which comprises a pot body outer casing, an inner pot installed inside the pot body and a pot cover. Said pot cover, installed in the outer casing of the pot body by means of hinge mechanism, is capable of opening/closing the pot body outer casing by turning, with the hinge axis be the turning axle. Said electric pot also includes a buffer mechanism comprising a buffer board, a damper spring and a supporting bracket. The rear end of the cooker cover is connected with the pot outer casing by means of the hinge mechanism and buffer mechanism Said buffer plate comprises a vertical bearing plate and a fixation rib for fixing buffer plate on the rear end of the pot cover. Said supporting bracket is fixed on the rear end of the pot outer casing by means of bolt. Said damping spring is of 'S' shape plate spring. The beneficial effect of the invention is the effective prevention of the pot cover excess overturn when open the pot cover, thus avoid the strenuous vibrations of the pot cover and whole pot cover.
Description
Technical field
The present invention relates to a kind of electric cooker.
Background technology
Electric cooker be a kind of be the household electrical appliance that heating source is cooked with the electric energy, it can keep high pressure conditions in pot for cooking rice, make the temperature in the pot for cooking rice be higher than the boiling point of water, thereby finish the operation of cooking rapidly.
As shown in Figure 1, existing electric cooker comprises: pot body shell 12, be installed in interior pot 10 and pot cover 14 in pot body shell 12; Described pot cover 14 is installed on pot body shell 12 by linkage, and pot cover 14 is that a pot body shell 12 can be opened/be closed to the rotating shaft rotation with hinge axis 23.
Be provided with the electric calorifie installation of pot 10 in being used for heating in the described pot body shell 12; The exhaust steam valve (not shown) of pot 10 internal pressures in described pot cover 14 is provided with and is used for regulating; Described electric calorifie installation comprises: actuating coil 16 and insulation electric hot plate (not shown).
The course of work of above-mentioned existing electric cooker is: after electric cooker energising started, described actuating coil 16 produced vortex flow in interior pot 10, and interior pot 10 is heated by vortex flow, heated in the interior food of pot 10 heating kettles, thereby finish the operation of cooking.Carry out in the process in the operation of cooking, the inside line of pot cover 14 closely seals the opening of interior pot 10, exhaust steam valve is in closed condition simultaneously, therefore when the water boiling in the interior pot 10, pot 10 pressure inside raise in the steam that produces made gradually, and pot 10 pressure inside are higher than normal barometric pressure in making.
In addition, along with the rising of pot inner pressure, the boiling point of water also can be higher than the fluidizing point (100 degree) under the normal barometric pressure, and therefore rice can be boiled rapidly in the pot.When cooking the end of job, actuating coil 16 quits work, and the pressure in making within a certain period of time in the pot 10 maintains under original pressure, carries out vexed meal operation.After the vexed meal end of job, exhaust steam valve is opened, and the steam in the interior pot 10 is discharged, and pot inner pressure is reduced.Then, utilize the insulation heating plate that interior pot 10 is kept at a certain temperature.
Described pot cover 14 is arranged on a pot end on body shell 12 tops by linkage.Described linkage comprises: be arranged on hinge bracket 21 on pot body shell 12, the hinge spring 30 and the hinge axis 23 of rotary driving force are provided for pot cover 14.
Described hinge bracket 21 is arranged on the inboard of pot cover 14, and described hinge axis 23 is connected an end of pot body shell 12.
As shown in Figure 2, described hinge spring 30 comprises following three parts: the rear end 32 of the spring main body 31 of coiled type, spring main body 31 1 ends and the front end 33 of spring main body 31 other ends; Hinge axis 23 on the described hinge bracket 20 inserts in the spring main body 31, and described rear end 32 is inserted and secured on pot inboard of body shell 12, and described front end 33 is inserted and secured on the pot cover 14.
The course of work to the pot cover linkage of above-mentioned existing electric cooker is illustrated below:
When pot cover 14 is in closed condition, front end 33 elastic bending deflections of hinge spring 30, and 31 torsional deflections of spring main body.At this moment, the hook (not shown) that is arranged on pot cover 14 front ends is retrained by the constraint mechanism (not shown) on the pot body shell 12, thereby makes pot cover 14 keep closed conditions.When opening pot cover 14, make the hook that is arranged on pot cover 14 front ends and constraint mechanism on the pot body shell 12 break away from constraint, pot cover 14 makes pot cover 14 around hinge axis 23 rotations and open under the effect of the restoring force of spring main body 31.(dotting among the figure)
After pot cover 14 rotates to an angle (more than about 90 degree) unlatching, hinge bracket 21 is stuck in pot upper end of body shell 12, the front end 33 of hinge spring 30 provides reverse elasticity power because of the variation of the windup-degree of spring main body 31 to pot cover 14, thereby pot cover 14 is stopped the rotation.
The shortcoming of above-mentioned existing electric cooker is: when opening pot cover 14,30 pairs of pot covers 14 of hinge spring apply very big driving force.Therefore, when the opening angle of pot cover 14 surpasses certain position (about 90 °), because the upset over-education phenomenon takes place inertia pot cover 14 easily.At this moment, pot cover 14 can drive whole electric cooker generation and acutely rock, even the front portion of electric cooker is lifted, and whole electric cooker is impacted, and not only causes the damage of electric cooker parts easily, and makes troubles to the user, has reduced the credit worthiness of electric cooker.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the above-mentioned shortcoming of existing electric cooker, and a kind of electric cooker that can prevent pot cover upset over-education phenomenon effectively is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: electric cooker of the present invention comprises: pot body shell, be installed in interior pot and pot cover in pot body shell; Described pot cover is installed on pot body shell by linkage, and pot cover is that a pot body shell can be opened/be closed to the rotating shaft rotation with the hinge axis; Described electric cooker also comprises buffer gear, and described pot cover rear end utilizes linkage to be connected with the rear end of buffer gear with pot body shell.
Described buffer gear comprises: the buffer board, damping spring and the frame support bracket that are arranged on the pot cover rear end vertically; Described buffer board comprises: vertical bearing plate and buffer board is fixed on fixing rib on the pot cover rear end; Described frame support bracket is by being bolted to pot rear end of body shell; Described damping spring is " S " plate-shaped springs, comprising: bearing-surface, faying face, pressure-bearing surface, guiding curved surface and fastening position.
Described linkage comprises: hinge axis, hinge bracket, hinge spring and fixing hole; Described hinge bracket is formed on the pot cover rear end projectedly, is formed with a hinge shaft hole on the hinge bracket respectively; Hinge shaft hole is inserted at the two ends of described hinge axis respectively; The spring main body of described hinge spring is enclosed within on the hinge axis, and the front end of hinge spring inserts the fixing hole that is fixed on the pot cover, and the rear end of hinge spring is fixed on pot fixture of body outer casing back.
Described damping spring is formed by the steel spring plate bending machining.
The invention has the beneficial effects as follows: can prevent pot cover upset over-education phenomenon when opening pot cover effectively, avoid pot cover and whole electric cooker that therefore strenuous vibration takes place.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of existing electric cooker;
The oblique view of the hinge spring of the electric cooker that Fig. 2 is shown in Figure 1;
Fig. 3 is the oblique view of the electric cooker specific embodiment of the present invention;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of " IV " part among Fig. 3;
Fig. 5 is the oblique view of buffer spring among Fig. 4;
Fig. 6 is the view of the electric cooker buffer unit when pot cover is closed among Fig. 3;
Fig. 7 is the view of the electric cooker buffer unit when cooker cover portion is divided unlatching among Fig. 3;
Fig. 8 is the view of the electric cooker buffer unit when the pot cover complete opening among Fig. 3.
Among the figure:
14: pot cover 21: hinge bracket
23: hinge axis 30: hinge spring
50: frame support bracket 60: buffer board
61: vertical bearing plate 300: damping spring
311: the face 312 of exerting pressure: the guiding curved surface
315: the fastening position
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, the electric cooker of present embodiment comprises: pot body shell 12, be installed in interior pot 10 and pot cover 14 in pot body shell 12; Described pot cover 14 is installed on pot body shell 12 by linkage, and pot cover 14 is that a pot body shell 12 can be opened/be closed to the rotating shaft rotation with hinge axis 23.
Described pot cover 4 comprises pot cover shell 16 and pot cover inner casing 15 two parts.
Described electric cooker also comprises buffer gear, and described pot cover inner casing 15 utilizes linkage 20 to be connected with the rear end of buffer gear with pot body shell 12.
Described linkage 20 comprises: hinge axis 23, hinge bracket 21, hinge spring 30 and fixing hole 24; Described hinge bracket 21 is formed on the pot cover inner casing 15 projectedly, is formed with a hinge shaft hole 26 on the hinge bracket 21 respectively; Hinge shaft hole 26 is inserted at the two ends of described hinge axis 23 respectively; The spring main body 31 of described hinge spring 30 is enclosed within on the hinge axis 23, and the front end 33 of hinge spring 30 inserts the fixing hole 24 that is fixed on the pot cover 14, and the rear end 32 of hinge spring is fixed on pot fixture (not shown) of body shell 12 rear ends.
Described buffer gear comprises: the buffer board 60, damping spring 300 and the frame support bracket 50 that are arranged on pot cover inner casing 15 vertically; Described buffer board 60 comprises: vertical bearing plate 61 and buffer board 60 is fixed on fixing rib 63 on the pot cover inner casing 15; Described frame support bracket 50 is by being bolted to pot rear end of body shell 12; Described damping spring 300 " S " plate-shaped springs for forming by rectangle steel spring plate bending machining, the elasticity of damping spring 300 has determined the cushion effect of buffer gear, and described damping spring 300 comprises: bearing-surface 313, the faying face 314 relative with bearing-surface 313, constitute pressure-bearing surface 311 that the end face of damping spring 300 exerts pressure to buffer board 60 when pot cover 14 complete openings, be formed on guiding curved surface 312 between faying face 314 and the pressure-bearing surface 311, be formed on the L shaped fastening position 315 that is used for fastening hinge axis 23 between faying face 314 and the bearing-surface 313.
Described linkage 20 is as follows with the assembling mode of buffer gear:
After the fastening position 315 of the pan 26 of through hole and hinge bracket 21 on the spring main body 31 of hinge spring 300 and damping spring 300 is aimed at, hinge axis 23 is run through through hole and the pan 26 of hinge bracket 21 and the fastening position 315 of damping spring 300 on the spring main body 31; The end of the front end 33 of hinge spring 30 is fixed in the fixing hole 24, the rear end 32 of hinge spring 30 is fixed on pot fixture (not shown) of body shell 12 rear ends; Then, damping spring 300 is arranged between two hinge springs 30, and frame support bracket 50 is fixed on pot body shell 12, make the bearing-surface 313 of vertical bearing plate 61 supporting damping springs 300.
The course of work to the buffer gear of present embodiment is illustrated below:
When pot cover 14 was in closed condition, front end 33 elastic bendings of hinge spring 30 were reversed spring main body 31, and the hook (not shown) that is positioned at pot cover 14 front ends combines with constraint mechanism on the pot body shell 12, makes pot cover 14 be locked in closed condition; When opening pot cover 14, make the hook that is positioned at pot cover 14 front ends break away from the constraint of the constraint mechanism on the pot body shell 12, by the restoring force of spring main body 31 pot cover 14 is opened.
As shown in Figure 6, when pot cover 14 is in closed condition, do not contact mutually between buffer board 60 and the damping spring 300, the two is separated by a distance.
As shown in Figure 7, when pot cover 14 was opened certain angle, the vertical bearing plate 61 of buffer board 60 began to be in contact with one another with the guiding curved surface 312 of damping spring 300; Further unlatching along with pot cover 14, the vertical bearing plate 61 of buffer board 60 is when exerting pressure to guiding curved surface 312, make sliding motion with respect to guiding curved surface 312,312 pairs of vertical bearing plates 61 of guiding curved surface apply and the opposite frictional force of pot cover 14 directions of motion, and this frictional force plays the effect of buffering for the rotation of pot cover 14.
Meanwhile, vertically bearing plate 61 a part of pressure of imposing on guiding curved surface 312 can be delivered on the hinge axis 23, and the pressure that makes frame support bracket 50 be subjected to reduces, and can prevent that therefore frame support bracket 50 is stressed excessive and be out of shape.
As shown in Figure 8, behind pot cover 14 complete openings, the face of exerting pressure 31 of damping spring 300 is close together mutually with the vertical bearing plate 61 of buffer board 60,311 pairs of vertical bearing plates 61 of pressure-bearing surface apply reaction force upwards, should also play certain cushioning effect to the moving motion of the rotation of pot cover 14 by active force upwards.
In addition, vertically during the distance L variation between bearing plate 61 action center that imposes on pressure-bearing surface 311 pressure and guiding curved surface 312 summits, pressure-bearing surface 311 imposes on vertical bearing plate 61 moments of reaction also can be changed, promptly " L " is more little, the moment of reaction is more little, and " L " is big more, and the moment of reaction is big more.Therefore, adjust damping spring 300 shock-absorbing capacities by adjusting " L " size.
In sum, because the effect of buffer gear, the reverse frictional force that pot cover 14 is subjected in opening process and the moment of reaction decayed its revolving force and rotatory inertia, make the pot cover 14 of electric cooker to open reposefully, and can prevent that pot cover 14 from excessively rotating because of inertia and the oscillation phenomenon of whole electric cooker.
Owing to be formed with guiding curved surface 312 in the buffer unit, pot cover 14 just is subjected to the effect of reverse frictional force when opening, the rotary speed that decayed at the final stage of the opening inertial impact force of having decayed more effectively, thereby has reduced buffer gear and the wearing and tearing of the parts that contact with buffer gear.
Obviously, according to basic fundamental design of the present invention, persons skilled in the art need not by creative work, can associate some other specific embodiment, and these specific embodiment also should belong to protection scope of the present invention.
Claims (4)
1. electric cooker comprises: pot body shell, be installed in interior pot and pot cover in pot body shell; Described pot cover is installed on pot body shell by linkage, pot cover is that a pot body shell can be opened/be closed to the rotating shaft rotation with the hinge axis, it is characterized in that: described electric cooker also comprises buffer gear, and described pot cover rear end (15) utilizes linkage (20) to be connected with the rear end of buffer gear with pot body shell (12).
2. electric cooker according to claim 1 is characterized in that: described buffer gear comprises: the buffer board (60), damping spring (300) and the frame support bracket (50) that are arranged on pot cover rear end (15) vertically; Described buffer board (60) comprising: vertical bearing plate (61) and buffer board (60) is fixed on fixing rib (63) on the pot cover rear end (15); Described frame support bracket (50) is by being bolted to pot rear end of body shell (12); Described damping spring (300) is " S " plate-shaped springs, comprising: bearing-surface (313), faying face (314), pressure-bearing surface (311), lead curved surface (312) and fastening position (315).
3. electric cooker according to claim 1 is characterized in that: described linkage (20) comprising: hinge axis (23), hinge bracket (21), hinge spring (30) and fixing hole (24); Described hinge bracket (21) is formed on the pot cover rear end (15) projectedly, is formed with a hinge shaft hole (26) on the hinge bracket (21) respectively; Hinge shaft hole (26) is inserted at the two ends of described hinge axis (23) respectively; The spring main body (31) of described hinge spring (30) is enclosed within on the hinge axis (23), the front end (33) of hinge spring (30) inserts the fixing hole (24) that is fixed on the pot cover (14), and the rear end of hinge spring (32) are fixed on pot fixture (not shown) of body shell (12) rear end.
4. electric cooker according to claim 1 and 2 is characterized in that: described damping spring (300) is formed by the steel spring plate bending machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130161 CN1565325A (en) | 2003-06-17 | 2003-06-17 | Electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130161 CN1565325A (en) | 2003-06-17 | 2003-06-17 | Electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1565325A true CN1565325A (en) | 2005-01-19 |
Family
ID=34469539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03130161 Pending CN1565325A (en) | 2003-06-17 | 2003-06-17 | Electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1565325A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846343A (en) * | 2019-01-28 | 2019-06-07 | 上海谷井不锈钢制品有限公司 | Energy-saving steam box with deformation steaming rack |
| CN114176415A (en) * | 2021-12-15 | 2022-03-15 | 深圳小小小科技有限公司 | Three-in-one cooking equipment |
-
2003
- 2003-06-17 CN CN 03130161 patent/CN1565325A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846343A (en) * | 2019-01-28 | 2019-06-07 | 上海谷井不锈钢制品有限公司 | Energy-saving steam box with deformation steaming rack |
| CN109846343B (en) * | 2019-01-28 | 2020-09-11 | 上海谷井不锈钢制品有限公司 | Energy-saving steam box with deformation steam rack |
| CN114176415A (en) * | 2021-12-15 | 2022-03-15 | 深圳小小小科技有限公司 | Three-in-one cooking equipment |
| CN114176415B (en) * | 2021-12-15 | 2023-03-14 | 深圳小小小科技有限公司 | Three-in-one cooking equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |