CN202751228U - Pressure relief structure - Google Patents
Pressure relief structure Download PDFInfo
- Publication number
- CN202751228U CN202751228U CN 201220249102 CN201220249102U CN202751228U CN 202751228 U CN202751228 U CN 202751228U CN 201220249102 CN201220249102 CN 201220249102 CN 201220249102 U CN201220249102 U CN 201220249102U CN 202751228 U CN202751228 U CN 202751228U
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- hole
- relief hole
- cavity
- pressure relief
- emulsion sheet
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Abstract
The utility model relates to the field of small household appliance heating, in particular to a pressure relief structure. The pressure relief structure comprises a pot lid structure and a cavity, a water outlet is arranged on the pot lid structure which is clamped above the cavity, and a water outlet valve structure used for opening or closing a connection channel between the water outlet and the cavity is arranged in the pot lid structure. The pressure relief structure is characterized in that a first pressure relief hole used for discharging steam is arranged in the pot lid structure, and an elastic cover sheet is arranged on the first pressure relief hole; and when the elastic cover sheet is jacked up by high pressure steam in the cavity, a gap is formed between the first pressure relief hole and the elastic cover sheet, so that the gap can communicate the cavity with the outside air; and when the high pressure steam in the cavity cannot jack up the elastic cover sheet, the first pressure relief hole is covered, and accordingly, the cavity cannot be communicated with the outside air through the first pressure relief hole. The pressure relief structure is simple in structure and safe and reliable, and dual protection for user use safety is provided.
Description
Technical field
The utility model relates to small household appliances heating field, is specifically related to a kind of pressure relief of electric kettle.
Background technology
Existing thermal-insulation electric heating kettle, operated by rotary motion has an exhalant canal on the pot lid, an exhaust passage, setting out valve structure on the exhalant canal opens or seals exhalant canal, the exhaust passage is used for discharged steam, usually is provided with the overturning-preventing water overflowing structure on the exhaust passage, when being used for preventing that the kettle body from toppling over, hot water in the cavity overflows fast or sprays from the exhaust passage, the danger of avoiding the user therefore to be burned.But there are two each and every one problems: the one, exhaust is logical generally all to be to keep being communicated with ambient atmosphere always, heat insulation effect is understood poor thus; The 2nd,, an exhaust passage only is set, and is provided with the overturning-preventing water overflowing structure on the exhaust passage, when the moving valve in the overturning-preventing water overflowing structure (for example steel ball) when because of abnormal conditions the exhaust passage being stopped up, at this moment, the gas in the cavity just can't be discharged, and has potential safety hazard.
Summary of the invention
The technical problem that the utility model solves provides a kind of pressure relief, solves the technical problem that above-mentioned existing electric kettle exists, and it is simple in structure and safe and reliable.
The utility model will solve two technical problems, and the firstth, because the exhaust passage is communicated with the problem that causes heat-insulating property poor with ambient atmosphere always; The secondth, an exhaust passage only is set, if this exhaust passage can't exhaust cause dangerous problem because abnormal conditions lose efficacy.
For solving above-mentioned first technical problem, the technical solution adopted in the utility model is: a kind of pressure relief, comprise the pot lid structure, cavity, the pot lid structure is provided with delivery port, the pot lid structure buckles above cavity, be provided with the outlet valve structure for the interface channel that opens and closes delivery port and cavity in the pot lid structure, it is characterized in that: be provided with the first relief hole for discharged steam in the described pot lid structure, be provided with the elasticity emulsion sheet on described the first relief hole, when described elasticity emulsion sheet during by the high steam jack-up in the cavity, described the first relief hole can be communicated with cavity and ambient atmosphere, when the air pressure in the cavity is low can't the described elasticity emulsion sheet of jack-up the time, described the first relief hole is capped, and this moment, cavity can't be communicated with ambient atmosphere.At relief hole the elasticity emulsion sheet is set, utilize the elasticity of elasticity emulsion sheet to carry out pressure release or insulation, namely when the steam pressure in the cavity during greater than the pressure of elasticity emulsion sheet, the elasticity emulsion sheet is just by jack-up, can be therefore gapped between the first relief hole and the elasticity emulsion sheet, steam pressure in the cavity can import ambient atmosphere by described gap and carry out pressure release, when the steam pressure in the cavity during less than the pressure of elasticity emulsion sheet, the elasticity emulsion sheet covers the first relief hole, at this moment, cavity can't be communicated with ambient atmosphere, and the temperature in the cavity can't be transmitted to the external world fast by the first relief hole, at this moment, the elasticity emulsion sheet plays the effect of insulation.
Further, be provided with through hole on the described elasticity emulsion sheet, the setting of staggering of through hole on the described elasticity emulsion sheet and described the first relief hole, when the steam in the cavity during with described elasticity emulsion sheet jack-up, form the gap between elasticity emulsion sheet and the first relief hole, steam in the cavity is discharged from this described gap, then discharges by the through hole on the described elasticity emulsion sheet.At the elasticity emulsion sheet through-hole structure is set, can carry out discharged steam by this through hole, but, through hole on the elasticity emulsion sheet does not overlap with the first relief hole, namely the upper-lower position between two through holes is the setting of staggering, directly be not communicated with, the first relief hole could be communicated with through hole on the elasticity emulsion sheet when only flexible emulsion sheet was out of shape by jack-up under external force.
Optionally, being provided with on the described elasticity emulsion sheet can be with the line of cut of elasticity emulsion sheet part-structure cutting.The part-structure that is about on the elasticity emulsion sheet cuts the formation line of cut, and when the elasticity emulsion sheet was out of shape by jack-up, the place can form the gap at described line of cut, and the steam in the cavity can carry out discharged steam by the gap at this line of cut place.
Optionally, described elasticity emulsion sheet is provided with Access Division and covering section, corresponding described Access Division, the next door of the first relief hole is provided with blocked hole on the described pot lid structure, described blocked hole is passed in described Access Division and blocked hole connects and fixes, and described covering section covers the first relief hole.This kind scheme, the external margin of elasticity emulsion sheet is not fixed, when the elasticity emulsion sheet is subject to steam pressure in the cavity, the external margin of elasticity emulsion sheet is by jack-up, form the gap between elasticity emulsion sheet and the first relief hole, the steam in the cavity will be from this gap and the external margin of elasticity emulsion sheet discharge.
Further, described the first relief hole is arranged on the outlet valve structure, and the air inlet port of described the first relief hole is communicated with cavity, and the port of giving vent to anger of the first relief hole can be communicated with delivery port, and described elasticity emulsion sheet covers on the port of giving vent to anger of the first relief hole.The first relief hole is arranged on the outlet valve structure, and namely exhalant canal namely can water outlet, also can play the effect of pressure release, and is simple and practical, needn't increase in addition other structures as pressure release passage again.
Further, described outlet valve structure comprises valve rod, be sheathed on the deflector rod structure that resetting structure on the valve rod and actuate valve stem move, and described stem lower portion is provided with the first sealing ring; Described the first relief hole is arranged on the stem lower portion.Because stem lower portion has the structure on a plane, the interface channel of described delivery port and cavity is directly closed or opened to this planar structure, therefore, the first relief hole is arranged on the planar structure of stem lower portion, and manufacturing process is simple.
Further, described elasticity emulsion sheet is the superstructure of the first sealing ring, the superstructure of described the first sealing ring comprises through hole and upper planar annular, through hole on described the first sealing ring is the through hole on the described elasticity emulsion sheet, and the upper planar annular on described the first sealing ring covers described the first relief hole.The middle part of the first sealing ring superstructure is for passing the through hole on described valve rod top, bore periphery is upper planar annular, after the first sealing is inserted in by described valve rod top, be set on the stem lower portion, thereby the upper planar annular of the first sealing ring covers the first relief hole, at this moment, the elasticity emulsion sheet needn't be set in addition again, the first sealing ring plays two effects: the one, seal the place, slit that described stem lower portion edge is connected with the pot lid structure; The 2nd, cover the effect that the first relief hole plays insulation or pressure release.The first sealing ring and the first relief hole that structure is set is ingenious, kill two birds with one stone.
Further, described resetting structure is spring.
Optionally, be provided with the plane in the described pot lid structure, the upper surface on described plane can be communicated with ambient atmosphere, and the lower surface on plane can be communicated with cavity, and described the first relief hole is located on the interior plane of pot lid structure.The upper surface on described plane is communicated with ambient atmosphere with the slit that is connected of outlet valve structure by the pot lid structure.Being arranged so that of this relief hole can realize that steam separates, and namely exhalant canal and exhaust passage are divided and be arranged, so that can avoid during water outlet too much causing the hot water generation scald accident of splashing because of bubble.Certainly, the upper surface on described plane also can be communicated with ambient atmosphere by the delivery port on the pot lid; The upper surface on described plane can also be communicated with ambient atmosphere by the steam port that arranges arbitrarily on the pot lid.
Further, described elasticity emulsion sheet is the superstructure of the second sealing ring, the superstructure of described the second sealing ring comprises through hole and upper planar annular, described plane is boss structure, described the second sealing ring is set on the described plane, the through hole of described the second sealing ring is the through hole on the described elasticity emulsion sheet, and the upper planar annular of described the second sealing ring covers described the first relief hole.When the upper planar annular of described the second sealing ring during by jack-up, form the gap between the upper planar annular of described the second sealing ring and the first relief hole, steam in the cavity is derived from this gap, then the through hole from described the second sealing ring is derived, and imports to ambient atmosphere from the pot lid structure with the slit that is connected of outlet valve structure at last.
For solving above-mentioned second technical problem, the technical solution adopted in the utility model is: be provided with the second relief hole for discharged steam in the described pot lid structure, the air inlet port connected chamber body of described the second relief hole, the port of giving vent to anger of the second relief hole is communicated with ambient atmosphere.Two relief holes are set, form thus two pressure release passages, when wherein a pressure release passage lost efficacy because of abnormal conditions, an other pressure release passage can carry out pressure release, plays the effect of duplicate protection.Under normal circumstances, the second relief hole keeps being communicated with ambient atmosphere always, and the steam in the cavity can preferentially be discharged from the second relief hole, because the covering of the flexible emulsion sheet of the first relief hole, this moment, the first relief hole did not play the pressure release effect.Under the abnormal condition, when namely the second relief hole is plugged because of abnormal conditions, steam can't be discharged to atmosphere smoothly from the second relief hole, and at this moment, the pressure in the cavity is during greater than the pressure of elasticity emulsion sheet, with elasticity emulsion sheet jack-up, at this moment, form the slit between elasticity emulsion sheet and the first relief hole, the steam in the cavity can enter into delivery port through slit described above from the first relief hole, import ambient atmosphere from delivery port at last, avoid the too high accident of blasting of cavity internal pressure.
Further, be provided with steam port on the described pot lid structure, the port of giving vent to anger of described the second relief hole is communicated with ambient atmosphere by steam port.At pot lid steam port is set, steam in the cavity is discharged from steam port and is then imported ambient atmosphere, and namely exhalant canal and exhaust passage are divided and be arranged, and reach the purpose that steam separates, so that do not have bubble or a small amount of bubble during water outlet, avoid hot water to splash the scald accident occurs.
Further, the air inlet port of described the second relief hole below is provided with the overturning-preventing water overflowing structure.This overturning-preventing water overflowing structure can be so that when the kettle body was toppled over, the liquid in the prevention cavity flows out or ejection from the second relief hole fast, avoids the scald accident that causes thus.
Further, described overturning-preventing water overflowing structure comprises the support component of steel ball, steel ball and the limit rib that limits the steel ball scope of activities, described steel ball is placed on the support component, be provided with the through hole that is communicated with cavity on the described support component, described support component is connected by screw or snap fit is fixedly connected with the pot lid structure, described limit rib is more than 3 or 3, and described limit rib is arranged on around the second relief hole, forms the gap between the described limit rib.Steel ball is freely movable in the limit rib scope, and when the kettle body was normally placed, steel ball dropped on the described support component, enters ambient atmosphere thereby the steam in the cavity can import to by the gap of the through hole on the support component or limit rib the second relief hole; When the kettle body was toppled over fully, steel ball will be blocked the air inlet port of the second relief hole, and the liquid in the cavity can only slowly ooze out, and therefore the scald accident can not occur.Structure is very simple, and manufacturing process is simple.At this moment, if steel ball fully with the second relief hole air inlet port sealing, the steam in the cavity can't be discharged from the second relief hole, then, can carry out pressure release by the first relief hole.Avoid the cavity internal cause to assemble the danger that high pressure is blasted.
Compared with prior art, beneficial effect is: the one, at pressure release passage the elasticity emulsion sheet is set, by the effect of steam pressure the elasticity emulsion sheet is backed down the formation gap and carry out pressure release, when not needing pressure release, the elasticity emulsion sheet covers pressure release passage the effect of playing insulation; The 2nd, two pressure release passages are set; article one, pressure release passage is used for pressure release under the normal condition; on the other pressure release passage elasticity emulsion sheet is set; be used for the pressure release under the abnormal condition; namely when the pressure release passage that does not have the elasticity emulsion sheet because of abnormal conditions when blocked; the pressure release passage that is provided with the elasticity emulsion sheet plays the pressure release effect, duplicate protection user's use safety.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment one;
Fig. 2 is stem structure the first schematic diagram of the utility model embodiment one;
Fig. 3 is stem structure the second schematic diagram of the utility model embodiment one;
Fig. 4 is the overall structure schematic diagram of the utility model embodiment two;
Fig. 5 is the overall structure schematic diagram of the utility model embodiment three;
Fig. 6 is the elasticity emulsion sheet cutaway view of the utility model embodiment three.
The specific embodiment
Embodiment one
As Figure 1-3, a kind of pressure relief, comprise pot lid structure 10, cavity 60, pot lid structure 10 is provided with delivery port 11, pot lid structure 10 buckles above cavity 60, be provided with in the pot lid structure 10 for opening and closing the outlet valve structure 20 of delivery port 11 with the interface channel of cavity 60, be provided with the first relief hole 50 for discharged steam in the described pot lid structure 10, be provided with the elasticity emulsion sheet on described the first relief hole 50, when described elasticity emulsion sheet during by the high steam jack-up in the cavity 60, form the gap between described the first relief hole 50 and the described elasticity emulsion sheet, described gap can be communicated with cavity 60 and ambient atmosphere, when the air pressure in the cavity 60 is low can't the described elasticity emulsion sheet of jack-up the time, described the first relief hole 50 is capped, and this moment, cavity 60 can't be communicated with ambient atmosphere.
Further, be provided with through hole on the described elasticity emulsion sheet, the setting of staggering of described elasticity emulsion sheet through hole and described the first relief hole.When described elasticity emulsion sheet during by steam pressure jack-up, form the gap between elasticity emulsion sheet and the first relief hole, then the steam in the cavity from this gap out enter into delivery port by the through hole on the elasticity emulsion sheet and import ambient atmosphere.。
Further, described the first relief hole 50 is arranged on the outlet valve structure 20, the air inlet port of described the first relief hole 50 is communicated with cavity 60, and the port of giving vent to anger of the first relief hole 50 can be communicated with delivery port 11, and described elasticity emulsion sheet covers on the port of giving vent to anger of the first relief hole 50.
Further, described outlet valve structure 20 comprises valve rod 21, be sheathed on the deflector rod structure 80 that back-moving spring 22 on the valve rod 21 and actuate valve stem 21 move, and described valve rod 21 bottoms are provided with the first sealing ring 23; Described the first relief hole 50 is arranged on valve rod 21 bottoms.
Further, described elasticity emulsion sheet is the superstructure of the first sealing ring 23, the superstructure of described the first sealing ring 23 comprises through hole 232 and upper planar annular 231, through hole 232 on described the first sealing ring 23 is the through hole on the described elasticity emulsion sheet, and the upper planar annular 231 on described the first sealing ring covers described the first relief hole 50.
Further, be provided with the second relief hole 13 for discharged steam in the described pot lid structure 10, described pot lid structure is provided with steam port 40 on 10 tops, the port of giving vent to anger of described the second relief hole 13 is communicated with the air inlet port connected chamber body 60 of described the second relief hole 13 by steam port 40 with ambient atmosphere; The air inlet port below of described the second relief hole 13 is provided with overturning-preventing water overflowing structure 30; Described overturning-preventing water overflowing structure 30 comprises the support component 32 of steel ball 31, steel ball 31 and the limit rib 33 that limits steel ball 31 scopes of activities, described steel ball 31 is placed on the support component 32, be provided with the through hole that is communicated with cavity 60 on the described support component 32, described support component 32 is connected by screw mode and is fixedly connected with pot lid structure 10, described limit rib 33 is more than 3 or 3, and described limit rib 33 is arranged on around the second relief hole 13.
The operation principle of present embodiment: form two exhaust passages, one is that the first relief hole leads to Hu Zui formation article one exhaust passage, is coated with the elasticity emulsion sheet on the first relief hole of article one exhaust passage; Two is steam port formation second exhaust passages that the second relief hole has led to the pot lid structural top, is normal open walk during the normal mode of second exhaust passage.When the heating of the water in the cavity produced steam, because the second exhaust passage that is formed by the second relief hole is normal open walk, the steam in the cavity can be from the second exhaust passage directly to extraneous airborne release steam; When cavity is toppled over because of abnormal conditions, the second relief hole might be stopped up by the steel ball in the overturning-preventing water overflowing structure in described second exhaust passage, at this moment, steam in the cavity can't be discharged to ambient atmosphere from the second relief hole, at this moment, pressure in the cavity will raise gradually, when the steam pressure in the cavity greater than the first relief hole on during the pressure of elasticity emulsion sheet, the elasticity emulsion sheet will be by jack-up, thereby will form the gap between elasticity emulsion sheet and the first relief hole, then steam in the cavity can discharge from this gap by the through hole on the elasticity emulsion sheet and be discharged to delivery port on the pot lid, carries out pressure release discharged to ambient atmosphere at last.
Embodiment two
As shown in Figure 4, be provided with plane 12 in the described pot lid structure 10, the upper surface on described plane 12 is communicated with ambient atmosphere with the slit that is connected of outlet valve structure 20 by pot lid structure 10, described the first relief hole 50 is located on the described plane 12, described plane 12 is boss structure, the air inlet port of described the first relief hole 50 is communicated with cavity 60, and the port of giving vent to anger of the first relief hole 50 is communicated with ambient atmosphere with the slit that is connected of outlet valve structure 20 by the through hole 71 of the second sealing ring and then by pot lid structure 10; Described the second sealing ring 70 is set on the described plane 12, and the upper planar annular 72 of described the second sealing ring covers described the first relief hole 50.It is identical with the first embodiment that all the other do not state part.
The operation principle of present embodiment is: with the first relief hole be arranged in the pot lid structure on the plane 12 of boss structure, the delivery port exhaust steam is not passed through in article one exhaust passage that is then formed by the first relief hole, but by pot lid structure and outlet valve structure be connected outside boundary, slit airborne release steam, all the other do not state same the first embodiment of part.
Embodiment three
Shown in Fig. 5,6, described elasticity emulsion sheet is provided with Access Division 91 and covering section 92, be provided with plane 12 on the described pot lid structure 10, the first relief hole 50 is arranged on the described plane 12, corresponding described Access Division 91, the next door of the first relief hole 50 is provided with blocked hole 14, described Access Division 91 is passed described blocked hole 14 and is connected and fixed with blocked hole 14, and 92 pairs of the first relief holes 50 of described covering section cover, and all the other do not state part with the second embodiment.
The operation principle of present embodiment is: when the steam pressure in the cavity 60 during with covering section 92 jack-up of elasticity emulsion sheet, form the gap between the covering section 92 of elasticity emulsion sheet and the first relief hole 50,60 steam runs in from this direct clearance in the cavity, at last by pot lid structure and outlet valve structure be connected slit guiding ambient atmosphere, all the other do not state same the second embodiment of part.
The above only is preferred embodiment of the present utility model, should be understood that, for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can do the improvement of some suitable actual conditions to the technical scheme of utility model.Therefore, protection domain of the present utility model is not limited to this, and those of skill in the art are any to be included within the utility model protection domain based on non-material change on the technical solutions of the utility model.
Claims (15)
1. pressure relief, comprise pot lid structure (10), cavity (60), pot lid structure (10) is provided with delivery port (11), pot lid structure (10) buckles in cavity (60) top, be provided with in the pot lid structure (10) for opening and closing the outlet valve structure (20) of delivery port (11) with the interface channel of cavity (60), it is characterized in that: be provided with the first relief hole (50) for discharged steam in the described pot lid structure (10), be provided with the elasticity emulsion sheet on described the first relief hole (50), when described elasticity emulsion sheet during by the high steam jack-up in the cavity (60), described the first relief hole (50) can be communicated with cavity (60) and ambient atmosphere, when the air pressure in the cavity (60) is low can't the described elasticity emulsion sheet of jack-up the time, described the first relief hole (50) is capped, and cavity this moment (60) can't be communicated with ambient atmosphere.
2. a kind of pressure relief according to claim 1 is characterized in that: be provided with through hole on the described elasticity emulsion sheet, the setting of staggering of the through hole on the described elasticity emulsion sheet and described the first relief hole (50).
3. a kind of pressure relief according to claim 1 is characterized in that: the promising line of cut that elasticity emulsion sheet part-structure can be cut is set on the described elasticity emulsion sheet.
4. a kind of pressure relief according to claim 1, it is characterized in that: described elasticity emulsion sheet is provided with Access Division (91) and covering section (92), corresponding described Access Division, the next door of upper the first relief hole of described pot lid structure (10) (50) (91) is provided with blocked hole (14), described Access Division is passed described blocked hole (14) and is connected and fixed, and described covering section (92) covers the first relief hole (50).
5. a kind of pressure relief according to claim 2, it is characterized in that: described the first relief hole (50) is arranged on the outlet valve structure (20), the air inlet port of described the first relief hole (50) is communicated with cavity (60), the port of giving vent to anger of the first relief hole (50) can be communicated with delivery port (11), and described elasticity emulsion sheet covers on the port of giving vent to anger of the first relief hole (50).
6. a kind of pressure relief according to claim 5, it is characterized in that: described outlet valve structure (20) comprises valve rod (21), is sheathed on resetting structure and the mobile deflector rod structure (80) of actuate valve stem (21) on the valve rod (21), and described valve rod (21) bottom is provided with the first sealing ring (23); Described the first relief hole (50) is arranged on valve rod (21) bottom.
7. a kind of pressure relief according to claim 6, it is characterized in that: described elasticity emulsion sheet is the superstructure of the first sealing ring (23), the superstructure of described the first sealing ring (23) comprises through hole (232) and upper planar annular (231), through hole (232) on described the first sealing ring (23) is through hole on the described elasticity emulsion sheet, and described upper planar annular (231) covers described the first relief hole (50).
8. a kind of pressure relief according to claim 6, it is characterized in that: described resetting structure is spring (22).
9. a kind of pressure relief according to claim 1, it is characterized in that: be provided with plane (12) in the described pot lid structure (10), the upper surface on described plane (12) can be communicated with ambient atmosphere, the lower surface on plane (12) can be communicated with cavity (60), and described the first relief hole (50) is located on the described plane (12).
10. a kind of pressure relief according to claim 9 is characterized in that: the upper surface of described plane (12) is communicated with ambient atmosphere with the slit that is connected of outlet valve structure (20) by pot lid structure (10).
11. a kind of pressure relief according to claim 10, it is characterized in that: described elasticity emulsion sheet is the superstructure of the second sealing ring (70), the superstructure of described the second sealing ring (70) comprises through hole (71) and upper planar annular (72), described plane (12) is boss structure, described the second sealing ring (70) is set on the described plane (12), the through hole (71) of described the second sealing ring (70) is used for discharged steam, and the upper planar annular (72) of described the second sealing ring covers described the first relief hole (50).
12. arbitrary described a kind of pressure relief according to claim 1-11, it is characterized in that: be provided with the second relief hole (13) for discharged steam in the described pot lid structure (10), the air inlet port connected chamber body (60) of described the second relief hole (13), the port of giving vent to anger of the second relief hole (13) is communicated with ambient atmosphere.
13. a kind of pressure relief according to claim 12 is characterized in that: be provided with steam port (40) on the described pot lid structure (10), the port of giving vent to anger of described the second relief hole (13) is communicated with ambient atmosphere by steam port (40).
14. a kind of pressure relief according to claim 13 is characterized in that: the air inlet port below of described the second relief hole (13) is provided with overturning-preventing water overflowing structure (30).
15. a kind of pressure relief according to claim 14, it is characterized in that: described overturning-preventing water overflowing structure (30) comprises steel ball (31), the support component (32) of steel ball (31) and the limit rib (33) that limits steel ball (31) scope of activities, described steel ball (31) is placed on the support component (32), be provided with the through hole that is communicated with cavity (60) on the described support component (32), described support component (32) is connected by screw or snap fit is fixedly connected with pot lid structure (10), described limit rib (33) is more than 3 or 3, and described limit rib (33) is arranged on the second relief hole (13) on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249102 CN202751228U (en) | 2012-05-30 | 2012-05-30 | Pressure relief structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249102 CN202751228U (en) | 2012-05-30 | 2012-05-30 | Pressure relief structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202751228U true CN202751228U (en) | 2013-02-27 |
Family
ID=47730430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220249102 Withdrawn - After Issue CN202751228U (en) | 2012-05-30 | 2012-05-30 | Pressure relief structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202751228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715846A (en) * | 2012-05-30 | 2012-10-10 | 美的集团有限公司 | Pressure relief structure |
-
2012
- 2012-05-30 CN CN 201220249102 patent/CN202751228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715846A (en) * | 2012-05-30 | 2012-10-10 | 美的集团有限公司 | Pressure relief structure |
| CN102715846B (en) * | 2012-05-30 | 2015-03-25 | 美的集团股份有限公司 | Pressure relief structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20150325 |
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| RGAV | Abandon patent right to avoid regrant |