CN103315619A - Cover balancing device of electric pressure cooker - Google Patents
Cover balancing device of electric pressure cooker Download PDFInfo
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- CN103315619A CN103315619A CN2013102487296A CN201310248729A CN103315619A CN 103315619 A CN103315619 A CN 103315619A CN 2013102487296 A CN2013102487296 A CN 2013102487296A CN 201310248729 A CN201310248729 A CN 201310248729A CN 103315619 A CN103315619 A CN 103315619A
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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 comprised of inner cap 6 ＇ that set gradually from bottom to top, enclosing cover 7 ＇, liner 3 ＇ and cover, after covering pot cover, inner cap 6 ＇ cover on the inner bag of splendid attire food, and by being installed in sealing ring and the inner bag realization sealing on inner cap 6 ＇, enclosing cover 7 ＇ are connected with liner 3 ＇ and fasten with inner bag.When outwarding winding enclosing cover 7 ＇, electric pressure cooking saucepan can't work; After screwing enclosing cover 7 ＇, boost gradually in electric pressure cooking saucepan normal operation and its inside, and at this moment, it is up and down that inner cap 6 ＇ need to have certain headspace, to play the effect of buffering pot inner pressure.Electric pressure cooking saucepan in the market circumferentially arranges three projection 1 ＇ at enclosing cover 7 ＇ upper surfaces, three groove 2 ＇ that adapt with protruding 1 ＇ of the upper formation of liner 3 ＇, as shown in Figure 1, when enclosing cover 7 ＇ outward winding, projection 1 ＇ and liner 3 ＇ offset, with the sealing ring on inner cap 6 ＇ and inner cap 6 ＇ to pressing down; As shown in Figure 2, after enclosing cover 7 ＇ screwed, protruding 1 ＇ was positioned at the below of groove 2 ＇; As shown in Figure 3, when boosting in the pot, air pressure is inner cap 6 ＇ jack-up, indirect jack-up enclosing cover 7 ＇ again, so that protruding 1 ＇ places in groove 2 ＇, 6 ＇ reserve activity space for inner cap.
But; this electric pressure cooking saucepan is when covering pot cover; the sealing ring that distortion causes after often can occurring that, sealing ring discontinuity excessive because of sealing ring or sealing ring are long-term and using can't place the situation of inner bag oral area fully; certain position of inner cap 6 ＇ is by jack-up; cause inner cap 6 ＇ uneven, enclosing cover 7 ＇ are also thereupon uneven simultaneously.And the height of projection 1 ＇ on enclosing cover 7 ＇ is fixed, and protruding 1 ＇ extruding liner, 3 ＇ cause the larger frictional force of generation between enclosing cover 7 ＇ and liner 3 ＇, enclosing cover 7 ＇ and inner cap 6 ＇, screw enclosing cover 7 ＇ effort.And, when outwarding winding enclosing cover 7 ＇ from the closing lid position, need to overcome the resistance that projection climbs out of from groove 2 ＇ of liner 3 ＇, increased the difficulty of uncapping, enclosing cover 7 ＇ that outward winding effort.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective that above-mentioned prior art exists, and provides a kind of inner cap of adjusting to make it balance, and outwards winding, screws all pot cover bascules of labour-saving electric pressure cooking saucepan of enclosing cover.
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 characterictic is, it comprises that also at least three are circumferentially uniform balancing unit, described balancing unit comprises a push rod, in be lining with the pedestal that is formed for placing push rod, be lining with in the pedestal below and have the first through hole that passes for the push rod bottom, push rod is up and down in pedestal, be formed for limiting first limiting section in the minimum setting point of push rod on the push rod, pedestal is provided with for limiting the second limiting section of high rising point of push rod, the flexible return unit of push rod overcoat between the first limiting section and the second limiting section, when push rod moved upward, elastic reset spare was in confined state.
Cover pot cover, if occur that sealing ring is excessive, the sealing ring discontinuity or sealing ring is long-term use after distortion and when causing sealing ring to place the situation of inner bag oral area fully, certain position of inner cap is understood sealed circle jack-up and is caused inner cap uneven, and enclosing cover is also thereupon uneven.At this moment, push rod bottom in the corresponding balancing unit in position, interior cover jacking part can move upward push rod by jack-up, and elastic reset spare is in confined state, the upper end of elastic reset spare and the second limiting section offset motionless, and the lower end produces an elastic-restoring force to enclosing cover downwards.Utilize the face that forms with other balancing unit, enclosing cover is adjusted to poised state, the Indirect method inner cap makes its also balance thereupon.Elastic reset spare makes the push rod can be up and down, the architecture advances that prior art protrusions height is fixing is the movable adjustable for height structure of push rod, avoid protruding extruding liner to cause the larger frictional force of generation between enclosing cover and liner, enclosing cover and the inner cap, screwed enclosing cover laborsaving.After screwing enclosing cover, pot inner pressure rises gradually, and with inner cap jack-up, inner cap is jack-up enclosing cover and 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 resistance that projection climbs out of from the groove of liner, the enclosing cover of outwarding winding is laborsaving again.
A kind of structure optimization as the pot cover bascule of electric pressure cooking saucepan, the diameter of described the first through hole is less than the width of pedestal inner chamber, the spacing preiection of described the first limiting section for forming at push rod, spacing preiection are positioned at liner top and its width greater than the diameter of the first through hole; Described the second limiting section refers to the loam cake that pedestal top arranges, on cover and have the second through hole that passes for the top of push rod, pass through screw lock between this loam cake and the pedestal.This setting, when push rod during by enclosing cover jack-up, spring is in compressive state, the spring upper end offsets motionless with loam cake, lower end and spacing preiection offset and spacing preiection are produced an elastic reset power with its downward top, and push rod falls until the bottom surface of spacing preiection and liner offset, the first limiting section simple in structure, syndeton between loam cake and the pedestal is firm, and the frictional resistance that is subject to when push rod is up and down is little.
Another kind of structure optimization as the pot cover bascule of electric pressure cooking saucepan, the diameter of described the first through hole equals the width of pedestal inner chamber, described the first limiting section is the kink of two symmetries forming at push rod, and the top of kink forms the hook portion that cooperates with the pedestal oral area; Described the second limiting section refers to form on the pedestal lid, and lid and pedestal single injection-molded have the second through hole that passes for the push rod upper end and supply two two third through-holes that hook portion is passed respectively on the lid.This setting, when push rod during by enclosing cover jack-up, spring is in compressive state, the spring upper end offsets motionless with lid, lower end and kink offset and kink are produced an elastic reset power with its downward top, push rod falls until hook portion is hooked the pedestal oral area, and number of components is few, easy to process, and installs fast.
As improvement, the inwall matched in clearance of the outer wall of described kink and pedestal.This setting, so that kink has played guide effect to the up and down of push rod, and the push rod that offsets with enclosing cover when enclosing cover rotates pair played the spacing of direction of rotation, avoided push rod to reverse with enclosing cover.
As improvement, the upper diameter of described push rod is less than the lower diameter of push rod.This setting, so that landing vertically of push rod bottom is larger, intensity is high, when enclosing cover rotated, the push rod bottom can be because of the torsional fracture that offsets of itself and enclosing cover; The diameter on push rod top is less, for spring has been reserved the space, has also saved material.
As improvement, the lower end of described push rod is spherical in shape.This setting so that the area that push rod lower end and enclosing cover offset is little, has reduced when enclosing cover rotates and the frictional resistance between the push rod, and the folding lid is more laborsaving.
As improvement, described elastic reset spare is spring.This setting so that elastic reset spare simple in structure, easy for installation, cost is low.
As improvement, described spring is tapered, and its diameter increases from top to bottom gradually.This setting, so that the volume of spring after compressed is little, the activity space of reserving for enclosing cover, inner cap is larger, and the spring lower diameter is larger, and is more steady to the promotion of limiting section.
As improvement, described balancing unit has three.This setting is so that three balancing units just consist of a plane, in the situation that save the function that material has guaranteed balance enclosing cover and inner cap most.
Beneficial effect of the present invention is mainly reflected in: can adjust inner cap and make it balance, and it is all laborsaving to outward winding, screw enclosing cover.
Description of drawings
Fig. 1 is the part sectioned view (in background technology set forth, no longer in specific embodiment give unnecessary details) of prior art when not screwing enclosing cover.
Fig. 2 is the part sectioned view (set forth in background technology, no longer give unnecessary details in specific embodiment) after prior art screws enclosing cover.
Fig. 3 is the part sectioned view (set forth in background technology, no longer give unnecessary details in specific embodiment) after prior art screws enclosing cover and upper the pressure.
Fig. 4 is the whole cutaway view after the embodiment of the invention 1 assembling.
Fig. 5 is the top view of the embodiment of the invention 1.
Fig. 6 is the side sectional view of Fig. 5.
Fig. 7 is the explosive view after A section amplifies among Fig. 6.
Fig. 8 is the structure for amplifying schematic diagram during cover jack-up outside the A section among Fig. 6.
Fig. 9 is the structure for amplifying schematic diagram after the cover push rod pushes up down outside the A section among Fig. 6.
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 during cover jack-up outside the B section among Figure 11.
Figure 13 is the structure for amplifying schematic diagram after the cover push rod pushes up down outside the B section among Figure 11.
Shown in the 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, loam cake, the 34, second through hole, 35, lid, 36, third through-hole, 4, elastic reset spare, 5, screw, 6, inner cap, 7, enclosing cover.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
The pot cover of electric pressure cooking saucepan as shown in Figure 4 is comprised of the inner cap 6 that sets gradually from bottom to top, enclosing cover 7, liner 3 and cover, after covering pot cover, inner cap 6 covers at the inner bag that is used for splendid attire food, and by being installed in sealing ring and the inner bag realization sealing on the inner cap 6, enclosing cover 7 is connected with liner 3 and fastens with inner bag, the upper surface of enclosing cover 7 is the plane, without projection.When outwarding winding enclosing cover 7, electric pressure cooking saucepan can't work; After screwing enclosing cover 7, boost gradually in electric pressure cooking saucepan normal operation and its inside.
The pot cover bascule of electric pressure cooking saucepan as shown in Figure 5 is comprised of three balancing units 1 that circumferentially are evenly distributed on the liner 3.In conjunction with Fig. 6, Fig. 7, balancing unit 1 is comprised of pedestal 31, push rod 2 and elastic reset spare 4.Form above-mentioned ring-type pedestal 31 on the liner 3; Push rod 2 can be interior up and down at pedestal 31, form a spacing preiection 21 on the push rod 2, be positioned at push rod 2 diameters of spacing preiection 21 tops less than push rod 2 diameters that are positioned at spacing preiection 21 belows, the spacing preiection 21 that forms on push rod 2 and the body of rod 2 is one-time formed working of plastics or handware; Have the first through hole 32 that passes for push rod 2 bottoms on the liner 3 of pedestal 31 belows, the diameter of this first through hole 32 is less than the width of pedestal 31 inner chambers, and spacing preiection 21 is positioned at liner 3 tops and its width greater than the diameter of the first through hole 32; Described elastic reset spare 4 is spring, and outside the push rod 2 of spring housing above spacing preiection 21, spring is tubular; Also be stamped a loam cake 33 on the pedestal 31, have the second through hole 34 that passes for the top of push rod 2 on the loam cake 33, lock by screw 5 between this loam cake 33 and the pedestal 31.
During installation, first spring is set to outside the push rod 2 from push rod 2 upper ends, integral body put into pedestal 31 interior after, push rod 2 lower ends spherical in shape offset with enclosing cover after passing the first through hole 32 on the liner 3, cover loam cake 33 and with screw 5 lockings again.
As shown in Figure 8, after covering pot cover, if occur that sealing ring is excessive, the sealing ring discontinuity or sealing ring is long-term use after distortion and when causing sealing ring to place the situation of inner bag oral area fully, certain position of inner cap 6 is understood sealed circle jack-up and is caused inner cap 6 imbalances, and enclosing cover 7 is also thereupon uneven.At this moment, inner cap 6 can be by jack-up by push rod 2 bottoms in the corresponding balancing unit 1 in jack-up position, push rod 2 is moved upward, spring is in confined state, the upper end of spring and loam cake 33 offset motionless, the lower end produces an elastic-restoring force to spacing preiection 21 downwards, drives push rod 2 and moves downward, and enclosing cover 7 is pressed down.As shown in Figure 9, three balancing units form a face, and enclosing cover 7 is adjusted to poised state, and Indirect method inner cap 6 makes its also balance thereupon.After screwing enclosing cover 33, pot inner pressure rises gradually, and with inner cap 6 jack-up, inner cap 6 is jack-up enclosing cover 7 and indirect jack-up push rod 2 again, and push rod 2 is upwards movable, for inner cap 6 provides certain activity space.
The pot cover bascule of electric pressure cooking saucepan as shown in figure 10 is comprised of three balancing units 1 that circumferentially are evenly distributed on the liner 3.Balancing unit 1 is comprised of pedestal 31, push rod 2 and elastic reset spare 4.Form above-mentioned ring-type pedestal 31 on the liner 3; In conjunction with Figure 11, push rod 2 can be interior up and down at pedestal 31, the kink 22 of two symmetries that the both sides of push rod 2 form, the inwall matched in clearance of the outer wall of kink 22 and pedestal 31, the top of kink 22 forms the hook portion 23 that cooperates with pedestal 31 oral areas, be positioned at push rod 2 diameters of kink 22 tops less than push rod 2 diameters that are positioned at kink 22 belows, push rod 2, kink 22 and hook portion 23 are the working of plastics of single injection-molded; Have the first through hole 32 that passes for push rod 2 bottoms on the liner 3 of pedestal 31 belows, the diameter of this first through hole 1 equals the width of pedestal 31 inner chambers; Described elastic reset spare 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; Form a lid 35 on the pedestal 31, lid 35 and pedestal 31 single injection-moldeds have the second through hole 34 that passes for push rod 2 upper ends and supply two two third through-holes 36 that hook portion 23 is passed respectively on the lid 35.
During installation, first spring is set to outside the push rod 2 from push rod 2 upper ends, having overlapped push rod 2 integral body of spring fills in from the below of pedestal 31, until hook portion 23 is passed third through-hole 36 and evagination in pedestal 31, and be hooked in pedestal 31 oral areas, the second through hole 34 is passed in push rod 2 upper ends, and push rod 2 lower ends are spherical in shape and offset with enclosing cover 7.
As shown in Figure 8, after covering pot cover, if occur that sealing ring is excessive, the sealing ring discontinuity or sealing ring is long-term use after distortion and when causing sealing ring to place the situation of inner bag oral area fully, certain position of inner cap 6 is understood sealed circle jack-up and is caused inner cap 6 imbalances, and enclosing cover 7 is also thereupon uneven.At this moment, inner cap 6 can be by jack-up by push rod 2 bottoms in the corresponding balancing unit 1 in jack-up position, push rod 2 is moved upward, spring is in confined state, the upper end of spring and lid 35 offset motionless, and the lower end produces an elastic-restoring force to kink 22 downwards, drive push rod 2 and move downward, enclosing cover 7 is pressed down, and push rod 2 falls until hook portion 23 is hooked pedestal 31 oral areas.As shown in figure 13, three balancing units form a face, and enclosing cover 7 is adjusted to poised state, and Indirect method inner cap 6 makes its also balance thereupon.After screwing enclosing cover 33, pot inner pressure rises gradually, and with inner cap 6 jack-up, inner cap 6 is jack-up enclosing cover 7 and indirect jack-up push rod 2 again, and push rod 2 is upwards movable, for inner cap 6 provides certain activity space.
Below only be described with regard to preferred embodiment of the present invention, but can not be interpreted as it is limitations on claims.The present invention not only is confined to above embodiment, and its concrete structure allows to change.All various variations of doing 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 comprises that also at least three are circumferentially uniform balancing unit (1), described balancing unit (1) comprises a push rod (2), be formed for placing the pedestal (31) of push rod (2) on the liner (3), be lining with in pedestal (31) below and have the first through hole (32) that passes for push rod (2) bottom, push rod (2) is up and down in pedestal (31), be formed for limiting first limiting section in the minimum setting point of push rod (2) on the push rod (2), pedestal (31) is provided with for limiting the second limiting section of high rising point of push rod (2), the flexible return unit of push rod (2) overcoat (4) between the first limiting section and the second limiting section, push rod (2) is when moving upward, and elastic reset spare (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 the first through hole (32) is less than the width of pedestal (31) inner chamber, described the first limiting section is the spacing preiection (21) that forms at push rod (2), and spacing preiection (21) is positioned at liner (3) top and its width greater than the diameter of the first through hole (32); Described the second limiting section refers to the loam cake (33) that pedestal (31) top arranges, and has the second through hole (34) that passes for the top of push rod (2) on the loam cake (33), locks by screw (5) between this loam cake (33) and the pedestal (31).
3. the pot cover bascule of electric pressure cooking saucepan according to claim 1, it is characterized in that: the diameter of described the first through hole (32) equals the width of pedestal (31) inner chamber, described the first limiting section is that the top of kink (22) forms the hook portion (23) that cooperates with pedestal (31) oral area at the kink (22) of two symmetries of push rod (2) formation; Described the second limiting section refers to the upper lid (35) that forms of pedestal (31), lid (35) and pedestal (31) single injection-molded have the second through hole (34) that passes for push rod (2) upper end and two third through-holes (36) that pass respectively for two hook portions (23) on the lid (35).
4. the pot cover bascule of electric pressure cooking saucepan according to claim 3 is characterized in that: the inwall matched in clearance of the outer wall of described kink (22) and pedestal (31).
5. according to claim 2 or the pot cover bascule of 3 described electric pressure cooking saucepans, it is characterized in that: the upper diameter of described push rod (2) is less than the lower diameter of push rod (2).
6. according to claim 2 or the pot cover bascule of 3 described electric pressure cooking saucepans, it 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, it is characterized in that: described elastic reset spare (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, and its diameter increases from top to bottom gradually.
9. the pot cover bascule of electric pressure cooking saucepan according to claim 1, it 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 true CN103315619A (en) | 2013-09-25 |
| CN103315619B CN103315619B (en) | 2015-06-17 |
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Family Applications (1)
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030015533A1 (en) * | 2000-03-27 | 2003-01-23 | Ursula Niese | Steam pressure cooker |
| 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 |
-
2013
- 2013-06-20 CN CN201310248729.6A patent/CN103315619B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030015533A1 (en) * | 2000-03-27 | 2003-01-23 | Ursula Niese | Steam pressure cooker |
| 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 |
|---|---|
| CN103315619B (en) | 2015-06-17 |
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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. |