CN103315619B - Cover balancing device of electric pressure cooker - Google Patents
Cover balancing device of electric pressure cooker Download PDFInfo
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- CN103315619B CN103315619B CN201310248729.6A CN201310248729A CN103315619B CN 103315619 B CN103315619 B CN 103315619B CN 201310248729 A CN201310248729 A CN 201310248729A CN 103315619 B CN103315619 B CN 103315619B
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- push rod
- pedestal
- electric pressure
- cover
- pressure cooking
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Abstract
The invention discloses a cover balancing device of an electric pressure cooker. For overcoming the defect that cover opening and closing are laborsome due to the fact that an inner cover and an outer cover of an existing electric pressure cooker are imbalanced, the technical scheme is that the cover balancing device comprises at least three balancing units distributed evenly and circumferentially, wherein each balancing unit comprises an ejection rod. A seat body for placing the ejection rods is formed on a liner, the liner under the seat body is provided with first through holes for the ejection rods to penetrate, and the ejection rods move in the seat body vertically. The first limiting portions for limiting lowest dropping points of the ejection rods are formed on the ejection rods, the seat body is provided with the second limiting portions for limiting highest rising points of the ejection rods, and elastic resetting parts are sleeved outside the ejection rods between the first limiting portions and the first limiting portions and are in a compressed state when the ejection rods move upward. The cover balancing device has the advantages of being capable of adjusting the inner cover to enable the inner cover to be balanced and enabling the opening and the closing of the outer cover in a screwing mode to be labor-saving.
Description
Technical field
The present invention relates to electric pressure cooking saucepan, specifically a kind of pot cover bascule of electric pressure cooking saucepan.
Background technology
The pot cover of electric pressure cooking saucepan is made up of inner cap 6 ＇ set gradually from bottom to top, enclosing cover 7 ＇, liner 3 ＇ and cover, after covering pot cover, inner cap 6 ＇ covers on the inner bag of splendid attire food, and by being arranged on sealing ring on inner cap 6 ＇ and inner bag realizes sealing, enclosing cover 7 ＇ is connected with liner 3 ＇ and fastens with inner bag.Outward winding enclosing cover 7 ＇ time, electric pressure cooking saucepan cannot normally work; After screwing enclosing cover 7 ＇, electric pressure cooking saucepan normally works and boost gradually in its inside, and now, inner cap 6 ＇ needs certain headspace and comes up and down, to play the effect of buffering pot inner pressure.Electric pressure cooking saucepan in the market arranges three projection 1 ＇ in enclosing cover 7 ＇ upper surface circumference, groove 2 ＇ that on liner 3 ＇, formation three and protruding 1 ＇ adapt, as shown in Figure 1, when enclosing cover 7 ＇ outwards winding, protruding 1 ＇ and liner 3 ＇ offsets, by the sealing ring on inner cap 6 ＇ and inner cap 6 ＇ to pressing down; As shown in Figure 2, after enclosing cover 7 ＇ screws, protruding 1 ＇ is positioned at the below of groove 2 ＇; As shown in Figure 3, when boosting in pot, air pressure is by inner cap 6 ＇ jack-up, more indirect jack-up enclosing cover 7 ＇, makes protruding 1 ＇ be placed in groove 2 ＇, for inner cap 6 ＇ reserves activity space.
But; this electric pressure cooking saucepan is when covering pot cover; often there will be because sealing ring is excessive, distortion and the sealing ring that causes cannot be placed in inner bag oral area completely after sealing ring discontinuity or sealing ring Long-Time Service situation; certain position of inner cap 6 ＇ is by jack-up; cause inner cap 6 ＇ uneven, enclosing cover 7 ＇ is also thereupon uneven simultaneously.And the height of projection 1 ＇ on enclosing cover 7 ＇ is fixed, protruding 1 ＇ extrudes liner 3 ＇, causes enclosing cover 7 ＇ and produces larger frictional force between liner 3 ＇, enclosing cover 7 ＇ and inner cap 6 ＇, screw enclosing cover 7 ＇ and require great effort.And when outwarding winding enclosing cover 7 ＇ from capping position, need to overcome the protruding resistance climbed out of from groove 2 ＇ of liner 3 ＇, add the difficulty of uncapping, enclosing cover 7 ＇ that outwards winding requires great effort.
Summary of the invention
Technical problem to be solved by this invention overcomes the defect that above-mentioned prior art exists, and provides one can adjust inner cap and make it balance, and the pot cover bascule of enclosing cover all labour-saving electric pressure cooking saucepan of outwarding winding, screw.
For this reason, the technical solution used in the present invention is as follows: the pot cover bascule of electric pressure cooking saucepan, comprise liner, its technical characteristic is, it also comprises at least three balancing units uniform in circumference, described balancing unit comprises a push rod, inside be lining with the pedestal formed for placing push rod, the first through hole having and pass for push rod bottom is lining with in below pedestal, push rod is up and down in pedestal, push rod is formed the first limiting section for limiting the minimum setting point of push rod, pedestal is provided with the second limiting section for limiting the highest rising point of push rod, the flexible return unit of push rod overcoat between first limiting section and the second limiting section, when push rod moves upward, elastic reset part is in confined state.
Cover pot cover, if occur, sealing ring is excessive, after sealing ring discontinuity or sealing ring Long-Time Service distortion and cause sealing ring cannot be placed in the situation of inner bag oral area completely time, certain position of inner cap can be caused inner cap uneven by sealing ring jack-up, enclosing cover is also thereupon uneven.Now, push rod bottom in balancing unit corresponding to position, interior cover jacking part can, by jack-up, make push rod move upward, and elastic reset part is in confined state, upper end and second limiting section of elastic reset part offset motionless, and lower end produces an elastic-restoring force to enclosing cover downwards.Utilize the face formed with other balancing unit, enclosing cover is adjusted to poised state, Indirect method inner cap, makes it also balance thereupon.Elastic reset part makes push rod can be up and down, the structure that prior art protrusions height is fixing is improved to the movable adjustable for height structure of push rod, avoid protruding extruding liner to cause enclosing cover and liner, between enclosing cover and inner cap, produce larger frictional force, screw enclosing cover laborsaving.After screwing enclosing cover, pot inner pressure rises gradually, and by inner cap jack-up, inner cap is jack-up enclosing cover also indirect jack-up push rod again, and push rod is upwards movable, for inner cap provides certain activity space.Do not need when uncapping to overcome the protruding resistance climbed out of from the groove of liner again, enclosing cover of outwarding winding is laborsaving.
As a kind of structure optimization of the pot cover bascule of electric pressure cooking saucepan, the diameter of described first through hole is less than the width of pedestal inner chamber, the first described limiting section is the spacing preiection formed on push rod, and spacing preiection is positioned at above liner and its width is greater than the diameter of the first through hole; The second described limiting section refers to the upper cover arranged above pedestal, above covers the second through hole having and supply the top of push rod to pass, passes through screw lock between this upper cover and pedestal.This setting, when push rod is by enclosing cover jack-up, spring is in compressive state, spring upper end and upper cover offset motionless, lower end and spacing preiection offset and produce an elastic reset power to spacing preiection and it pushed up downwards, and push rod falls until the bottom surface of spacing preiection and liner offset, and the structure of the first limiting section is simple, syndeton between upper cover and pedestal is firm, and the frictional resistance be subject to when push rod is up and down is little.
As the another kind of structure optimization of the pot cover bascule of electric pressure cooking saucepan, the diameter of described first through hole equals the width of pedestal inner chamber, the first described limiting section is the kink that two of being formed on push rod are symmetrical, and the top of kink forms the hook portion coordinated with pedestal oral area; The second described limiting section refers to and pedestal forms a lid, lid and pedestal single injection-molded, lid has the second through hole passed for push rod upper end and two third through-holes be each passed through for two hook portions.This setting, when push rod is by enclosing cover jack-up, spring is in compressive state, spring upper end and lid offset motionless, lower end and kink offset and produce an elastic reset power to kink and it pushed up downwards, push rod falls until hook portion hooks pedestal oral area, and number of components is few, easy to process, and installs fast.
As improvement, the outer wall of described kink and the inwall matched in clearance of pedestal.This setting, makes kink serve guide effect to the up and down of push rod, and when enclosing cover rotates pair and the push rod that offsets of enclosing cover serve the spacing of direction of rotation, avoid push rod and reverse with enclosing cover.
As improvement, the upper diameter of described push rod is less than the lower diameter of push rod.This setting, make landing vertically of push rod bottom comparatively large, intensity is high, and when enclosing cover rotates, push rod bottom can not offset and torsional fracture because of itself and enclosing cover; The diameter on push rod top is less, for space reserved by spring, also saves material.
As improvement, the lower end of described push rod is spherical in shape.This setting, the area that push rod lower end and enclosing cover are offseted is little, and reduce frictional resistance when enclosing cover rotates and between push rod, folding lid is more laborsaving.
As improvement, described elastic reset part is spring.This setting, such that the structure of elastic reset part is simple, easy for installation, cost is low.
As improvement, described spring is tapered, and its diameter increases from top to bottom gradually.This setting, makes spring little by the volume after compressing, and the activity space reserved to enclosing cover, inner cap is larger, and spring lower diameter is comparatively large, more steady to the promotion of limiting section.
As improvement, described balancing unit has three.This setting, makes three balancing units just form a plane, ensure that the function of balance enclosing cover and inner cap when saving most material.
Beneficial effect of the present invention is mainly reflected in: can adjust inner cap and make it balance, and outward winding, to screw enclosing cover all laborsaving.
Accompanying drawing explanation
Fig. 1 is the part sectioned view (in the introduction set forth, no longer in a particular embodiment repeat) of prior art when not screwing enclosing cover.
Fig. 2 is the part sectioned view (set forth in the introduction, repeat no longer in a particular embodiment) after prior art screws enclosing cover.
Fig. 3 is that prior art screws enclosing cover and part sectioned view (set forth in the introduction, repeat no longer in a particular embodiment) after upper pressure.
Fig. 4 is the overall sectional view after the embodiment of the present invention 1 is assembled.
Fig. 5 is the top view of the embodiment of the present invention 1.
Fig. 6 is the side sectional view of Fig. 5.
Fig. 7 is the explosive view in Fig. 6 after the amplification of A portion.
Fig. 8 is the structure for amplifying schematic diagram in Fig. 6 outside A portion during cover jack-up.
Fig. 9 be in Fig. 6 outside A portion under cover push rod top after structure for amplifying schematic diagram.
Figure 10 is the explosive view of embodiment 2.
Figure 11 is the partial sectional view of Figure 10.
Figure 12 is the structure for amplifying schematic diagram in Figure 11 outside B portion during cover jack-up.
Figure 13 be in Figure 11 outside B portion under cover push rod top after structure for amplifying schematic diagram.
Shown in figure:
1 ＇, projection, 2 ＇, groove, 3 ＇, liner, 6 ＇, inner cap, 7 ＇, enclosing cover;
1, balancing unit, 2, push rod, 21, spacing preiection, 22, kink, 23, hook portion, 3, liner, 31, pedestal, the 32, first through hole, 33, upper cover, the 34, second through hole, 35, lid, 36, third through-hole, 4, elastic reset part, 5, screw, 6, inner cap, 7, enclosing cover.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1
The pot cover of electric pressure cooking saucepan is as shown in Figure 4 made up of the inner cap 6 set gradually from bottom to top, enclosing cover 7, liner 3 and cover, after covering pot cover, inner cap 6 covers at the inner bag for splendid attire food, and by being arranged on sealing ring on inner cap 6 and inner bag realizes sealing, enclosing cover 7 is connected with liner 3 and fastens with inner bag, the upper surface of enclosing cover 7 is plane, without protruding.Outward winding enclosing cover 7 time, electric pressure cooking saucepan cannot normally work; After screwing enclosing cover 7, electric pressure cooking saucepan normally works and boost gradually in its inside.
Three balancing units 1 that the pot cover bascule of electric pressure cooking saucepan is as shown in Figure 5 evenly distributed on liner 3 by circumference form.Composition graphs 6, Fig. 7, balancing unit 1 is made up of pedestal 31, push rod 2 and elastic reset part 4.Liner 3 is formed above-mentioned ring-type pedestal 31; Push rod 2 can be up and down in pedestal 31, push rod 2 is formed a spacing preiection 21, push rod 2 diameter be positioned at above spacing preiection 21 is less than push rod 2 diameter be positioned at below spacing preiection 21, and the spacing preiection 21 that push rod 2 and the body of rod 2 are formed is one-time formed working of plastics or handware; Liner 3 below pedestal 31 has the first through hole 32 passed for push rod 2 bottom, the diameter of this first through hole 32 is less than the width of pedestal 31 inner chamber, and spacing preiection 21 is positioned at above liner 3 and its width is greater than the diameter of the first through hole 32; Described elastic reset part 4 is spring, and outside the push rod 2 of spring housing above spacing preiection 21, spring is tubular; Pedestal 31 is also stamped a upper cover 33, upper cover 33 has the second through hole 34 supplying the top of push rod 2 to pass, locked by screw 5 between this upper cover 33 and pedestal 31.
During installation, be first set to push rod 2 by spring from push rod 2 upper end, entirety is put into after in pedestal 31, and push rod 2 lower end spherical in shape offsets with enclosing cover through after the first through hole 32 on liner 3, then covers upper cover 33 and also lock with screw 5.
As shown in Figure 8, after covering pot cover, if occur, sealing ring is excessive, after sealing ring discontinuity or sealing ring Long-Time Service distortion and cause sealing ring cannot be placed in the situation of inner bag oral area completely time, certain position of inner cap 6 can be caused inner cap 6 uneven by sealing ring jack-up, enclosing cover 7 is also thereupon uneven.Now, push rod 2 bottom in the balancing unit 1 of inner cap 6 corresponding to jack-up position can by jack-up, push rod 2 is moved upward, spring is in confined state, upper end and the upper cover 33 of spring offset motionless, lower end produces an elastic-restoring force to spacing preiection 21 downwards, drives push rod 2 to move downward, is pressed down by enclosing cover 7.As shown in Figure 9, three balancing units form a face, enclosing cover 7 are adjusted to poised state, Indirect method inner cap 6, make it also balance thereupon.After screwing enclosing cover 33, pot inner pressure rises gradually, and by inner cap 6 jack-up, inner cap 6 is jack-up enclosing cover 7 also indirect jack-up push rod 2 again, and push rod 2 is upwards movable, for inner cap 6 provides certain activity space.
Embodiment 2
Three balancing units 1 that the pot cover bascule of electric pressure cooking saucepan is as shown in Figure 10 evenly distributed on liner 3 by circumference form.Balancing unit 1 is made up of pedestal 31, push rod 2 and elastic reset part 4.Liner 3 is formed above-mentioned ring-type pedestal 31; In conjunction with Figure 11, push rod 2 can be up and down in pedestal 31, the kink 22 that two of being formed in the both sides of push rod 2 are symmetrical, the outer wall of kink 22 and the inwall matched in clearance of pedestal 31, the top of kink 22 forms the hook portion 23 coordinated with pedestal 31 oral area, push rod 2 diameter be positioned at above kink 22 is less than push rod 2 diameter be positioned at below kink 22, and push rod 2, kink 22 and hook portion 23 is the working of plastics of single injection-molded; Liner 3 below pedestal 31 has the first through hole 32 passed for push rod 2 bottom, the diameter of this first through hole 1 equals the width of pedestal 31 inner chamber; Described elastic reset part 4 is spring, and outside the push rod 2 of spring housing above kink 22, spring is tapered, and its diameter increases from top to bottom gradually; Pedestal 31 is formed a lid 35, lid 35 and pedestal 31 single injection-molded, lid 35 has the second through hole 34 passed for push rod 2 upper end and two third through-holes 36 be each passed through for two hook portions 23.
During installation, first spring is set to push rod 2 from push rod 2 upper end, push rod 2 entirety of having overlapped spring is filled in from the below of pedestal 31, until hook portion 23 through third through-hole 36 and evagination in pedestal 31, and be hooked in pedestal 31 oral area, push rod 2 upper end is through the second through hole 34, and push rod 2 lower end is spherical in shape and offset with enclosing cover 7.
As shown in Figure 8, after covering pot cover, if occur, sealing ring is excessive, after sealing ring discontinuity or sealing ring Long-Time Service distortion and cause sealing ring cannot be placed in the situation of inner bag oral area completely time, certain position of inner cap 6 can be caused inner cap 6 uneven by sealing ring jack-up, enclosing cover 7 is also thereupon uneven.Now, push rod 2 bottom in the balancing unit 1 of inner cap 6 corresponding to jack-up position can by jack-up, push rod 2 is moved upward, spring is in confined state, upper end and the lid 35 of spring offset motionless, and lower end produces an elastic-restoring force to kink 22 downwards, drive push rod 2 to move downward, pressed down by enclosing cover 7, push rod 2 falls until hook portion 23 hooks pedestal 31 oral area.As shown in figure 13, three balancing units form a face, enclosing cover 7 are adjusted to poised state, Indirect method inner cap 6, make it also balance thereupon.After screwing enclosing cover 33, pot inner pressure rises gradually, and by inner cap 6 jack-up, inner cap 6 is jack-up enclosing cover 7 also indirect jack-up push rod 2 again, and push rod 2 is upwards movable, for inner cap 6 provides certain activity space.
Below only just preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change.All various changes done in the protection domain of independent claims of the present invention are all in protection scope of the present invention.
Claims (9)
1. the pot cover bascule of electric pressure cooking saucepan, comprise liner (3), it is characterized in that: it also comprises at least three balancing units (1) uniform in circumference, described balancing unit (1) comprises a push rod (2), the upper pedestal (31) formed for placing push rod (2) of liner (3), pedestal (31) is lining with the first through hole (32) having and pass for push rod (2) bottom in below, push rod (2) is up and down in pedestal (31), upper the first limiting section formed for limiting push rod (2) minimum setting point of push rod (2), pedestal (31) is provided with the second limiting section for limiting push rod (2) the highest rising point, the flexible return unit of push rod (2) overcoat (4) between first limiting section and the second limiting section, when push rod (2) moves upward, elastic reset part (4) is in confined state.
2. the pot cover bascule of electric pressure cooking saucepan according to claim 1, it is characterized in that: the diameter of described first through hole (32) is less than the width of pedestal (31) inner chamber, the first described limiting section is at the upper spacing preiection (21) formed of push rod (2), and spacing preiection (21) is positioned at liner (3) top and its width is greater than the diameter of the first through hole (32); The second described limiting section is referred to and upper cover (33) has the upper cover (33) that pedestal (31) top is arranged the second through hole (34) supplying the top of push rod (2) to pass, locked between this upper cover (33) and pedestal (31) by screw (5).
3. the pot cover bascule of electric pressure cooking saucepan according to claim 1, it is characterized in that: the diameter of described first through hole (32) equals the width of pedestal (31) inner chamber, the first described limiting section is that the top of kink (22) forms the hook portion (23) coordinated with pedestal (31) oral area at upper two of being formed of push rod (2) symmetrical kink (22); The second described limiting section refers to the upper lid (35) formed of pedestal (31), lid (35) and pedestal (31) single injection-molded, lid (35) has the second through hole (34) passed for push rod (2) upper end and two third through-holes (36) be each passed through for two hook portions (23).
4. the pot cover bascule of electric pressure cooking saucepan according to claim 3, is characterized in that: the outer wall of described kink (22) and the inwall matched in clearance of pedestal (31).
5. the pot cover bascule of the electric pressure cooking saucepan according to Claims 2 or 3, is characterized in that: the upper diameter of described push rod (2) is less than the lower diameter of push rod (2).
6. the pot cover bascule of the electric pressure cooking saucepan according to Claims 2 or 3, is characterized in that: the lower end of described push rod (2) is spherical in shape.
7. the pot cover bascule of electric pressure cooking saucepan according to claim 1, is characterized in that: described elastic reset part (4) is spring.
8. the pot cover bascule of electric pressure cooking saucepan according to claim 7, it is characterized in that: described spring is tapered, its diameter increases from top to bottom gradually.
9. the pot cover bascule of electric pressure cooking saucepan according to claim 1, is characterized in that: described balancing unit (1) has three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248729.6A CN103315619B (en) | 2013-06-20 | 2013-06-20 | Cover balancing device of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248729.6A CN103315619B (en) | 2013-06-20 | 2013-06-20 | Cover balancing device of electric pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103315619A CN103315619A (en) | 2013-09-25 |
| CN103315619B true CN103315619B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310248729.6A Active CN103315619B (en) | 2013-06-20 | 2013-06-20 | Cover balancing device of electric pressure cooker |
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| Country | Link |
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| CN (1) | CN103315619B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201356429Y (en) * | 2009-02-24 | 2009-12-09 | 珠海格力电器股份有限公司 | Face cover of cooking device |
| CN201675705U (en) * | 2010-03-24 | 2010-12-22 | 浙江爱仕达电器股份有限公司 | Integral pressure cooker with screw cap |
| CN102342742A (en) * | 2011-09-26 | 2012-02-08 | 广东凌丰集团股份有限公司 | Visible button open-close type pressure cooker |
| CN102697386A (en) * | 2012-05-24 | 2012-10-03 | 九阳股份有限公司 | Electric pressure cooker capable of opening and closing cover smoothly |
| CN203290716U (en) * | 2013-06-20 | 2013-11-20 | 浙江爱仕达电器股份有限公司 | Cooker cover balancing device of electric pressure cooker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10014766C2 (en) * | 2000-03-27 | 2002-02-21 | Ursula Niese | Steam pressure cooker |
-
2013
- 2013-06-20 CN CN201310248729.6A patent/CN103315619B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201356429Y (en) * | 2009-02-24 | 2009-12-09 | 珠海格力电器股份有限公司 | Face cover of cooking device |
| CN201675705U (en) * | 2010-03-24 | 2010-12-22 | 浙江爱仕达电器股份有限公司 | Integral pressure cooker with screw cap |
| CN102342742A (en) * | 2011-09-26 | 2012-02-08 | 广东凌丰集团股份有限公司 | Visible button open-close type pressure cooker |
| CN102697386A (en) * | 2012-05-24 | 2012-10-03 | 九阳股份有限公司 | Electric pressure cooker capable of opening and closing cover smoothly |
| CN203290716U (en) * | 2013-06-20 | 2013-11-20 | 浙江爱仕达电器股份有限公司 | Cooker cover balancing device of electric pressure cooker |
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| Publication number | Publication date |
|---|---|
| CN103315619A (en) | 2013-09-25 |
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Address after: No.1, Fourth Street, East New District, Wenling City, Taizhou City, Zhejiang Province Co-patentee after: ZHEJIANG ASD DOMESTIC ELECTRICAL APPLIANCE Co.,Ltd. Patentee after: Ashtar Co.,Ltd. Address before: 317500 No. 2, science and technology road, Wenling Economic Development Zone, Zhejiang, Taizhou Co-patentee before: ZHEJIANG ASD DOMESTIC ELECTRICAL APPLIANCE Co.,Ltd. Patentee before: Zhejiang Aishida Electric Co.,Ltd. |