CN205410858U - Pressure release structure and domestic appliance - Google Patents
Pressure release structure and domestic appliance Download PDFInfo
- Publication number
- CN205410858U CN205410858U CN201520833769.1U CN201520833769U CN205410858U CN 205410858 U CN205410858 U CN 205410858U CN 201520833769 U CN201520833769 U CN 201520833769U CN 205410858 U CN205410858 U CN 205410858U
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- pressure relief
- pressure
- steam
- relief component
- electrical appliance
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Abstract
The utility model discloses a pressure release structure and domestic appliance relates to the electrical apparatus field for optimize the pressure release performance of current kettle. This pressure release structure includes first pressure release part and second pressure release part, wherein, first pressure release part can be when the inside steam pressure of domestic appliance reaches first settlements steam pressure to the domestic appliance pressure release, second pressure release part can be to the domestic appliance pressure release when steam pressure inside the domestic appliance reaches the second set steam pressure. Wherein, first pressure release part and second pressure release part autonomous working, and first settlement steam pressure and the second set steam pressure's value is different. Set up first pressure release part and second pressure release part among the above -mentioned technical scheme, and both can be at pressure release under the steam pressure of difference to can be in the pressure release state when making the interior liquid boiling of domestic appliance always, in order to keep domestic appliance internal and external pressure balance, have injection water vapour problem when avoiding uncapping.
Description
Technical field
This utility model relates to appliance field, is specifically related to a kind of pressure relief and household electrical appliance.
Background technology
Pressure relief mechanism is as vacuum electric kettle critical component mechanism, and its performance directly influences the security performance that vacuum electric kettle uses.Vacuum electric kettle pot lid includes upper cover and lower cover, under be covered with pressure relief, upper cover is correspondingly provided with steam port.Pressure relief includes balancing weight, and pressure relief carries out pressure release by balancing weight.When liquid boiling in kettle, steam-energy jack-up balancing weight in kettle, so that steam can leak, the pressure force in kettle during to discharge to boil water, the kettle inside and outside pressure differential formed when balancing to boil water.
Inventor finds, prior art at least exists following problems: from the point of view of structure, when time to boil water, under the effect of steam, can form bigger pressure force in kettle can be balancing weight top to pot lid upper end, directly block out steam (vapor) outlet, affect steam release in kettle, when uncapping, there is injection steam problem.
Utility model content
One of them purpose of the present utility model is to propose a kind of pressure relief and household electrical appliance, in order to optimize the relieving characteristics of existing kettle.
For achieving the above object, this utility model provides techniques below scheme:
This utility model provides a kind of pressure relief, for household electrical appliance, including the first pressure relief component and the second pressure relief component；Described pressure relief is located at lid, described in be covered with steam port；Described first pressure relief component and/or at least partly described steam port of alignment of described second pressure relief component；
Wherein, described first pressure relief component can be when described household electrical appliance internal vapor pressure reaches the first setting steam pressure to described household electrical appliance pressure release, and described second pressure relief component can be when described household electrical appliance internal vapor pressure reaches the second setting steam pressure to described household electrical appliance pressure release；
Described first pressure relief component and described second pressure relief component work alone, and the first setting steam pressure and second sets the value difference of steam pressure.
In an alternate embodiment of the invention, described first pressure relief component includes that balancing weight, described second pressure relief component include sealing-plug；Described first sets steam pressure sets steam pressure less than described second.
In an alternate embodiment of the invention, described first pressure relief component is metal material, and/or, described second pressure relief component is silica gel material.
This utility model also provides for a kind of household electrical appliance, the pressure relief provided including the arbitrary technical scheme of this utility model.
In an alternate embodiment of the invention, steam port it is covered with described in；Described steam port, described first pressure relief component and described second pressure relief component are the most vertically arranged.
In an alternate embodiment of the invention, described second pressure relief component is positioned at the underface of described steam port；Described second pressure relief component side is vertically provided with rib, and described second pressure relief component and described first pressure relief component are separated by described rib.
In an alternate embodiment of the invention, described lid is additionally provided with the first installation cavity, and described first pressure relief component is located at inside described first installation cavity, described first installation cavity inwall seals and is provided with projection；
Wherein, when described household electrical appliance are in dump position, described first pressure relief component can move to the position contacted with described raised seals.
In an alternate embodiment of the invention, described first pressure relief component is located at described first installation cavity by bearing, and described bearing has guiding surface；
Wherein, when described household electrical appliance are in dump position, and described first pressure relief component can move to the position contacted with described raised seals along described guiding surface.
In an alternate embodiment of the invention, described lid is additionally provided with the second installation cavity, and described second installation cavity inwall is provided with boss, and described second pressure relief component is provided with and the groove of described boss buckle；
Wherein, when described household electrical appliance internal vapor pressure sets steam pressure more than described second, and described groove departs from described boss.
In an alternate embodiment of the invention, described household electrical appliance are kettle.
Based on technique scheme, this utility model embodiment at least can produce following technique effect: is provided with the first pressure relief component and the second pressure relief component in technique scheme, and both can independent pressure release under different steam pressures, a beginning pressure release when household electrical appliance internal vapor pressure reaches the first setting steam pressure and second sets value less in steam pressure, in the first pressure relief component and the second pressure relief component；When household electrical appliance internal vapor pressure reaches the first setting steam pressure and second sets value bigger in steam pressure, all pressure releases in the first pressure relief component and the second pressure relief component, to realize Double-pressure-relief.As a example by above-mentioned pressure relief is applied on kettle, steam pressure when just coming to life in kettle can be set steam pressure as first, steam pressure when seething with excitement more severe in kettle is set steam pressure as second, so so that pressure release state can be constantly in kettle during liquid boiling, to keep kettle internal and external pressure balance, in making kettle, steam effectively discharges, and does not haves injection steam problem when uncapping.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
The perspective cross-sectional structural representation that Fig. 1 applies on pot lid for the pressure relief that this utility model embodiment provides；
Fig. 2 is the decomposing schematic representation of Fig. 1；
The sectional structure schematic diagram that Fig. 3 applies on pot lid for the pressure relief that this utility model embodiment provides；
Fig. 4 is the decomposing schematic representation of Fig. 3.
Reference:
1, the first pressure relief component；2, the second pressure relief component；3, the first lid；
4, the second lid；5, bearing；6, steam lid；
7, steam port structure；8, steam port sealing gasket；9, sealing gasket；
10, lid；21, groove；31, steam port；
41, the first installation cavity；42, the second installation cavity；43, protruding；
44, boss；51, guiding surface.
Detailed description of the invention
The technical scheme provided this utility model below in conjunction with Fig. 1～Fig. 4 illustrates in more detail.
This utility model embodiment one provides a kind of pressure relief for household electrical appliance, and household electrical appliance are such as kettle (being specifically as follows vacuum electric kettle).This pressure relief includes the first pressure relief component 1 and the second pressure relief component 2；Wherein, the first pressure relief component 1 can be when household electrical appliance internal vapor pressure reaches the first setting steam pressure to household electrical appliance pressure release, and the second pressure relief component 2 can be when household electrical appliance internal vapor pressure reaches the second setting steam pressure to household electrical appliance pressure release.Wherein, the first pressure relief component 1 and the second pressure relief component 2 work alone, and the first setting steam pressure and second sets the value difference of steam pressure.
Technique scheme is provided with the first pressure relief component and the second pressure relief component, and both can independent pressure release under different steam pressures, when household electrical appliance internal vapor pressure reaches the first setting steam pressure and second sets value less in steam pressure, the first pressure relief component and the second pressure relief component set less that of steam pressure and starts pressure release；When household electrical appliance internal vapor pressure reaches the first setting steam pressure and second sets value bigger in steam pressure, all pressure releases in the first pressure relief component and the second pressure relief component, to realize Double-pressure-relief.As a example by above-mentioned pressure relief is applied on kettle, steam pressure when just coming to life in kettle can be set steam pressure as first, steam pressure when seething with excitement more severe in kettle is set steam pressure as second, so so that pressure release state can be constantly in kettle during liquid boiling, to keep kettle internal and external pressure balance, in making kettle, steam effectively discharges, and does not haves injection steam problem when uncapping.
First pressure relief component 1 and the second pressure relief component 2 have multiple implementation, use following implementation: the first pressure relief component 1 is balancing weight, and the second pressure relief component 2 is sealing-plug in the present embodiment.First sets steam pressure less than the second setting steam pressure.So can utilize the existing structure of pot lid as far as possible, reduce manufacturing cost.First sets steam pressure specifically may be configured as steam pressure when liquid in household electrical appliance just comes to life, second set steam pressure specifically may be configured as liquid boiling in household electrical appliance more severe time steam pressure.
In technique scheme, when in household electrical appliance, liquid just comes to life, the only first pressure relief component 1 pressure release；When the boiling of household electrical appliance internal liquid is more severe, second pressure relief component 2 also can pressure release, covered the pressure release that causes of end to make up be obstructed phenomenon because the first pressure relief component 1 withstands on, to keep household electrical appliance internal and external pressure balance, steam-energy in household electrical appliance is effectively discharged, when uncapping, does not haves injection steam problem.
In the present embodiment, the first pressure relief component 1 is metal material, and/or, the second pressure relief component 2 is silica gel material.Second pressure relief component employing silica gel material can be by arranging the connected mode of itself and lid, it is achieved it automatically resets, and hereinafter will be described herein.
This utility model embodiment two provides a kind of household electrical appliance, and including covering 10 and the pressure relief that provided of any of the above-described technical scheme, pressure relief is located on lid 10.
Seeing Fig. 1, in the present embodiment, lid 10 includes the first lid 3 and the second lid 4, and the second lid 4 is in the side at kettle body place.
Household electrical appliance can be specifically kettle, such as vacuum electric kettle, in the present embodiment as a example by household electrical appliance are as kettle.
Technique scheme, time to boil water, when steam in kettle is less, steam pressure release at balancing weight mechanism；When in kettle, external and internal pressure difference is bigger, steam can carry out pressure release at sealing-plug, it is ensured that kettle external and internal pressure difference balances, and plays double protection.
Further, seeing Fig. 1 and Fig. 2, lid 10 is provided with steam port 31；Steam port the 31, first pressure relief component 1 and the second pressure relief component 2 are the most vertically arranged, and the first pressure relief component 1 and/or at least part of of the second pressure relief component 2 are directed at steam port 31, so that the condensed water in pot lid can flow back in kettle, will not be carried over when uncapping.
Specifically, seeing Fig. 1, the second pressure relief component 2 is positioned at the underface of steam port 31；Second pressure relief component 2 side is vertically provided with rib, and the second pressure relief component 2 and the first pressure relief component 1 are separated by rib.
It is arranged such, so that the clearance backflow that the hydrops that is internally formed of lid can pass through configuration block, sealing-plug and hole are assembled is in kettle.Specifically, in the case of remaining steam in first installation cavity the 41, second installation cavity 42, steam port 31, even if steam has condensation in lid, also can flow back in kettle along first installation cavity the 41, second installation cavity 42, during to reduce or to avoid uncapping, water is taken out of by lid, the comfortableness that impact uses.In the present embodiment, balancing weight and sealing-plug are separated by rib, and a part of hydrops can be back in kettle at balancing weight, and another part hydrops can be back in kettle at sealing-plug.
In the present embodiment, seeing Fig. 1 and Fig. 3, the first pressure relief component 1 specifically uses following manner to be arranged on lid 10.Lid 10 is additionally provided with the first installation cavity 41, and it is internal that the first pressure relief component 1 is located at the first installation cavity 41, the first installation cavity 41 inwall seals and is provided with protruding 43.Wherein, when household electrical appliance are in dump position, the first pressure relief component 1 can move to the positions being in sealing contact with projection 43.
Above-mentioned set-up mode can realize household electrical appliance when toppling over, and water will not leak at the first pressure relief component 1.
Seeing Fig. 1 and Fig. 3, specifically, the first pressure relief component 1 is located at the first installation cavity 41 by bearing 5, and bearing 5 has guiding surface 51.Wherein, when household electrical appliance are in dump position, the first pressure relief component 1 can move to the positions being in sealing contact with projection 43 along guiding surface 51, to realize sealing.
Bearing 5 can use plastic material.
In the present embodiment, seeing Fig. 1, Fig. 3 and Fig. 4, the second pressure relief component 2 specifically uses following manner to be arranged on lid 10.Lid 10 is additionally provided with the second installation cavity 42, and the second installation cavity 42 inwall is provided with boss 44, and the second pressure relief component 2 is provided with and the groove 21 of boss 44 buckle.Wherein, when household electrical appliance internal vapor pressure is more than the second setting steam pressure, and groove 21 departs from boss 44.When household electrical appliance internal vapor pressure is less than the second setting steam pressure, groove 21 and boss 44 buckle.
When in kettle, steam is less than setting value, and the second pressure relief component 2 is in installation site, is not turned between the second installation cavity 42 and steam port 31, and steam can not be via the second installation cavity 42 pressure release.When in kettle, steam is more than the second setting steam pressure, and the second pressure relief component 2 departs from installation site, turns between the second installation cavity 42 and steam port 31, and steam-energy is via the second installation cavity 42 pressure release.
Seeing Fig. 1, hold above-mentioned, lid 10 includes the first lid 3 and the second lid 4, and the second lid 4 is in the side at kettle body place.First lid 3 is provided with steam port 31, and the second lid 4 is provided with the first installation cavity 41 and the second installation cavity 42, and the first pressure relief component 1 is located at the first installation cavity 41, and the second pressure relief component 2 is located at the second installation cavity 42.Wherein, when in kettle, steam pressure is more than the first setting steam pressure, in kettle, steam is via the fit-up gap pressure release between the first pressure relief component 1 and the first installation cavity 41.When in kettle, steam pressure is more than the second setting steam pressure, the second pressure relief component 2 is by jack-up, and in kettle, steam is simultaneously via pressure release at fit-up gap and the second installation cavity 42.
Seeing Fig. 1, Fig. 3 and Fig. 4, the first lid 3 is specially pot cover upper cover, and the second lid 4 is specially pot cover lower cover.Pressure relief can also include steam lid 6.Steam lid 6 is assemblied at pot cover lower cover, and can arrange sealing gasket 9 at assembling, to form sealed steam cavity.Steam port structure 7 is connected with steam port sealing gasket 8.At pot cover upper cover and steam lid assembling, formed by sealing ring and seal.Aforesaid way defines lid steam mechanism seals cavity structure.When going out steam, steam flows to steam port structure 7 and steam cock position from sealing at cavity, it is to avoid steam leaks at steam mechanism cavity, flows to pot cover upper cover and elsewhere.Ensure that steam flow concordance, strengthen mechanical type insulating pot accuracy of temperature control.
During so that steam pressure is decreased to ambient atmosphere pressure balanced in kettle, the second pressure relief component 2 can automatically reset, and the second pressure relief component 2 is silica gel material.
Technique scheme, is improved toppling over water leak preventing structure, simplifies pressure relief, and balancing weight assembling inner chamber area is reduced.When kettle body is toppled over, under the action of gravity of metal weights block, slide with bearing 5 guiding surface, block the first installation cavity 41 of lid, formed and seal, play and topple over preventing water leakage sealing function.Now, buckle between sealing-plug and the second installation cavity 42, two ends can be close to pot cover lower cover two steam vent, only increase to a certain degree at kettle body internal gas pressure, and steam just can overflow from two relief holes；Additionally, due to aperture is less, when kettle body is toppled over, do not have leakage, it is ensured that the heat insulation effect of vacuum electric kettle.
The function of above-mentioned pressure relief is discussed in detail below in conjunction with Fig. 1 to Fig. 4.
Seeing Fig. 1, lid pressure relief carries out steam pressure release mainly by balancing weight pressure relief and sealing-plug pressure relief.Time to boil water, when steam in kettle is less, steam carries out pressure release at the steam balancing weight fit-up gap with bearing 5.When in kettle, external and internal pressure difference is bigger, steam meeting jack-up sealing-plug two ends, carry out pressure release release from sealing at consent, share steam pressure release release in part kettle, it is ensured that kettle external and internal pressure difference balances, and plays Double-pressure-relief effect, plays double protection.Steam in kettle flows mostly to both direction: at steam flow handle set steam cock；Steam flows to outside at lid.Kettle is while release steam, and internal can the formation of lid condenses hydrops on a small quantity, can be back in kettle at consent from balancing weight gap location and sealing, solve that lid is internal exists hydrops problem, it is to avoid when kettle is uncapped, have a small amount of hydrops from Gai Chu gets rid of.
Seeing Fig. 1 to Fig. 4, balancing weight lower end is assembled with plastic seating 5, forms pressure relief mechanism.When kettle body is toppled over, pot cover lower cover projection 43 is got lodged in along bearing 5 hypotenuse is sliding under balancing weight action of gravity, formed and seal, when preventing kettle body to topple over, in kettle, water is from covering out leakage problem at steam port 31, play and topple over preventing water leakage sealing function, it is ensured that steam mechanism and the sealing reliability of lid, strengthen the heat-insulating property of vacuum electric kettle.
Technique scheme, solve in this type of insulating pot kettle the bad problem of steam pressure release and topple over problems such as leaking, optimize pressure relief mechanism and topple over water leak preventing structure, ensure that kettle external and internal pressure difference balance and topple over preventing water leakage problem, improve safety and the sealing property of kettle that user uses, decrease abnormal quality case after sale.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is only for ease of describing this utility model and simplifying description, rather than instruction or infer the device of indication or element must have specific orientation, for specific azimuth configuration and operation, thus it is not intended that this utility model to be protected the restriction of content.
If being used herein the word such as " first ", " second " to if limiting parts, those skilled in the art should know: " first ", the use of " second " are intended merely to facilitate description this utility model and simplify description, as the most additionally stated, above-mentioned word does not has special implication.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent, but these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (10)
1. a pressure relief, for household electrical appliance, it is characterised in that include the first pressure relief component (1) and the second pressure relief component (2)；Described pressure relief is located at lid (10), and described lid (10) is provided with steam port (31)；Described first pressure relief component (1) and/or at least partly described steam port of the alignment (31) of described second pressure relief component (2)；
Wherein, described first pressure relief component (1) can be when described household electrical appliance internal vapor pressure reaches the first setting steam pressure to described household electrical appliance pressure release, and described second pressure relief component (2) can be when described household electrical appliance internal vapor pressure reaches the second setting steam pressure to described household electrical appliance pressure release；
Described first pressure relief component (1) and described second pressure relief component (2) work alone, and the first setting steam pressure and second sets the value difference of steam pressure.
Pressure relief the most according to claim 1, it is characterised in that described first pressure relief component (1) includes that balancing weight, described second pressure relief component (2) include sealing-plug；Described first sets steam pressure sets steam pressure less than described second.
Pressure relief the most according to claim 1 and 2, it is characterised in that described first pressure relief component (1) is metal material, and/or, described second pressure relief component (2) is silica gel material.
4. household electrical appliance, it is characterised in that include the arbitrary described pressure relief of claim 1-3.
Household electrical appliance the most according to claim 4, it is characterised in that described steam port (31), described first pressure relief component (1) and described second pressure relief component (2) are the most vertically arranged.
6. according to the household electrical appliance described in claim 4 or 5, it is characterised in that described second pressure relief component (2) is positioned at the underface of described steam port (31)；Described second pressure relief component (2) side is vertically provided with rib, and described second pressure relief component (2) and described first pressure relief component (1) are separated by described rib.
Household electrical appliance the most according to claim 5, it is characterized in that, described lid (10) is additionally provided with the first installation cavity (41), it is internal that described first pressure relief component (1) is located at described first installation cavity (41), described first installation cavity (41) inwall seals and is provided with projection (43)；
Wherein, when described household electrical appliance are in dump position, described first pressure relief component (1) can be moved to the position being in sealing contact with described projection (43).
Household electrical appliance the most according to claim 7, it is characterized in that, described first pressure relief component (1) is located at described first installation cavity (41) by bearing (5), and described bearing (5) has guiding surface (51)；
Wherein, when described household electrical appliance are in dump position, described first pressure relief component (1) can be mobile to the position being in sealing contact with described projection (43) along described guiding surface (51).
Household electrical appliance the most according to claim 4, it is characterized in that, described lid (10) is additionally provided with the second installation cavity (42), described second installation cavity (42) inwall is provided with boss (44), and described second pressure relief component (2) is provided with the groove (21) with described boss (44) buckle；
Wherein, when described household electrical appliance internal vapor pressure sets steam pressure more than described second, and described groove (21) departs from described boss (44).
10. according to the arbitrary described household electrical appliance of claim 4,5,7,8,9, it is characterised in that described household electrical appliance are kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833769.1U CN205410858U (en) | 2015-10-23 | 2015-10-23 | Pressure release structure and domestic appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833769.1U CN205410858U (en) | 2015-10-23 | 2015-10-23 | Pressure release structure and domestic appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205410858U true CN205410858U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520833769.1U Expired - Fee Related CN205410858U (en) | 2015-10-23 | 2015-10-23 | Pressure release structure and domestic appliance |
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| Country | Link |
|---|---|
| CN (1) | CN205410858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125091A (en) * | 2015-10-23 | 2015-12-09 | 珠海格力电器股份有限公司 | Pressure relief structure and household appliance |
-
2015
- 2015-10-23 CN CN201520833769.1U patent/CN205410858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125091A (en) * | 2015-10-23 | 2015-12-09 | 珠海格力电器股份有限公司 | Pressure relief structure and household appliance |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20211023 |