CN2779589Y - Electrothermal container vapor switch - Google Patents
Electrothermal container vapor switch Download PDFInfo
- Publication number
- CN2779589Y CN2779589Y CN 200520100857 CN200520100857U CN2779589Y CN 2779589 Y CN2779589 Y CN 2779589Y CN 200520100857 CN200520100857 CN 200520100857 CN 200520100857 U CN200520100857 U CN 200520100857U CN 2779589 Y CN2779589 Y CN 2779589Y
- Authority
- CN
- China
- Prior art keywords
- lever
- electric heating
- heating vessel
- bimetal leaf
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 240000007643 Phytolacca americana Species 0.000 claims abstract description 8
- 238000009432 framing Methods 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005354 coacervation Methods 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Cookers (AREA)
Abstract
The utility model relates to a steam switch of an electrothermal container, which comprises a steam cavity and a bimetallic strip which are arranged on a lower shell, a switch cavity, a moving contact and electric conducting metal sheets thereof, return spring sheets and a poke rod which are arranged on an upper shell and an isolating main frame which is arranged between the space of the switch cavity and the steam cavity. The utility model is characterized in that a horizontal lever is arranged above the bimetallic strip, and the head end of the lever is mutually contacted with the lower end of the poke rod. The other end of the lever is in contact with the end face of the main frame in the switch cavity, and a convex column which is abutted on the middle part of the bimetallic strip is arranged below the middle part of the lever. The utility model is insulated and sealed with the upper and the lower shells by the main frame, which is used for preventing steam from entering the switch cavity. In addition, the utility model has stronger functions of coacervation resistance and scale formation resistance, the strong jump motive power of the bimetallic strip can be enhanced by adopting the mode that a lever structure is matched with the acetabuliform bimetallic strip and the sensitivity and reliability can also be enhanced.
Description
Technical field
The utility model relates to a kind of thermally-responsive controls, particularly about a kind of improvement of steam control switch for electrothermic container.
Background technology
The steam control switch practical application of existing electric kettle constantly improves, its sensitivity and reliability all have raising significantly, but also there are some problems, structural defective is exactly exposed by the contact, and two copper sheets of its switch are at a distance of nearer, still do not reach the salt mist test standard-required: because the environment for use of steam cock is changeable, capital of the every injection of water vapour is at electric contact, conductive connecting piece and working of plastics surface condensation, behind the long-term coagulation sedimentation, its surface produces the fouling that contains mineral matter, make the product that has reached the creepage distance standard code originally produce hidden danger like this, though the improvement project that CN2653677Y proposes is provided with the sealing main framing of isolating steam between switch cavity and vapor chamber, and fixed contact and conducting metal thereof are located in the main framing, make the sealing of The whole control switch improve reliability, but still have sound contact distraction force quantity not sufficient, problems such as steam reaction sensitivity is not high are needed to improve.
Summary of the invention
The purpose of this utility model is at the existing problem of CN2653677Y, designs a kind ofly both to have prevented that electric contact was exposed and produced surface scale, again can be highly sensitive to steam reaction, the steam control thermoswitch of good reliability.
Design of the present utility model is a kind of electric heating vessel steam switch, it comprises vapor chamber and the bimetal leaf of being located at lower housing portion, be located at switch cavity, moving contact and conductive metal sheet thereof, reseting spring leaf and the poke rod on housing top, be located at the isolation main framing between switch cavity and the vapor chamber, it is characterized in that above bimetal leaf, establishing the lever of a level, the lever head end contacts with described poke rod lower surface, the other end of lever contacts with the main framing end face of being located at switch cavity, and the below in the middle of the lever is and the middle projection that holds mutually of bimetal leaf.
Described bimetal leaf is selected unitary circular or oval video disc for use so that enough springs are arranged when being heated, the contact jaw of lever and main framing for cylinder shaft body upwards and with the mutual fit of circular shaft inner concave of main framing one end, the point that forms lever props up, when butterfly shaped dual metal sheet is heated, the middle part pops up the picking-up projection, the axial end of lever slides in the circular shaft face of main framing and forms the fulcrum of active force, make force localization arrive the head end of lever, according to lever principle, the power that affacts head end is more than a times of elastic force in the middle of the bimetal leaf, this is that the design can improve the beneficial effect of opening the moving contact active force, thereby improves sensitivity and reliability to steam reaction.
Description of drawings
Fig. 1 is the utility model elevation view structure.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
1 for stirring handle among the figure, and 2 is poke rod, and 3, be upper shell, 4 is shift fork, 5 is switch cavity, and 6 is reseting spring leaf, and 7 is main framing, and 8 is the moving contact brace, 9 is moving contact, and 10 is conductive metal sheet, and 11 is the movable contact plug blades, and 12 for touching plug blades surely, 13 for to decide contact, and 14 is the gland sheet, and 15 is vapor chamber, and 16 is bimetal leaf, 17 is lever, and 18 is the circular shaft projection, and 19 is the lever head end, and 20 is the lever projection, 21 is lower house, and 22 is couple axle, the 23rd, and osculum.
Embodiment
Structure of the present utility model as shown in Figure 1, this is the three-dimensional structure diagram that removes upper shell, poke rod 2 is by stirring handle 1 and shift fork 4 is formed L shaped, be located in the switch cavity 5, an arc reseting spring leaf 6 collapses and is connected between main framing 7 and the shift fork 4, the one head is inserted in the prong of shift fork 4, the other end is inserted in the prong of main framing 7, the moving contact contact pin 8 one heads and the moving contact 9 that parallel with arc reseting spring leaf 6 are affixed, the other end links to each other with movable contact plug blades 11 by conductive metal sheet 10 and forms shape to prolong creepage distance, it is sealed by upper shell 3 walls, decide contact 13 directly with touch plug blades 12 surely and be connected and also seal by upper housing wall, form the enclosed switch chamber, guarantee safety.Main framing 7 is isolated switch cavity 5 and vapor chamber 15, enters switch cavity to stop moisture.
Fig. 2 is the structural relation figure of bimetal leaf 16 and lever 17, bimetal leaf 16 is whole dish-shaped disk, it when normal temperature a little to recessed, lever 17 is horizontally set on the top of butterfly shaped dual metal sheet, the head end 19 of lever contacts with the lower surface of shift fork 4, the other end of lever 17 upwards is circular shaft shape projection, it and the mutual fit of circular shaft inner concave that is located at main framing 7 in the switch cavity, there is a downward projection 20 below, middle part of lever 17, this projection 20 just in time contacts with dish shape bimetal leaf 16, when meeting when high-temperature steam inflow vapor chamber 15 and with bimetal leaf 16, bimetal leaf 16 distortion pop up, the head end 19 that promotes lever 17 by projection 20 lifts, thereby shift fork 4 is up pushed up, moving contact 9 is broken away from decide contact 13, cut off electric current, as shown in Figure 3, also be provided with couple axle 22 in the shift fork 4, its level is passed shift fork 4, and with conductive metal sheet 10 square crossings, couple axle 22 intersects and holds conductive metal sheet 10 when moving contact 9 is lifted, because shift fork 4 is by the resilient support of bow-shaped shrapnel 5, shift fork 4 is the states of lifting that are in forever, and couple axle 22 also is permanent the picking-up, forever keeps moving contact 9 and the released state of deciding contact 13.There is this moment part steam can enter shift fork 4 bottoms,, the aggegation water droplet flowed back in the vapor chamber for preventing that these steam in aggegation, are provided with osculum 23 in the bottom of shift fork 4 from the space on lever head end 19 next doors.Have only in the time of need heating, the user presses and stirs handle 1 and force shift fork downward again, and moving contact 9 resets to get back to and decides contact 13 and contact, and to be heatedly again butterfly shaped dual metal sheet is out of shape for the second time beat, promote dynamic/static contact and separate.Upper shell 3 forms the switch cavity 5 that seals with main framing, and main framing, the gland 14 that compresses bimetal leaf and lower casing body form vapor chamber.
Claims (7)
1, a kind of electric heating vessel steam switch, it comprises vapor chamber (15) and the bimetal leaf (16) of being located at lower housing portion, be located at the switch cavity (5) on housing top, moving contact (9) and conductive metal sheet (10) thereof, reseting spring leaf (6) and poke rod (1), be located at the isolation main framing (7) between switch cavity and the vapor chamber, the lever (17) that it is characterized in that the level of establishing in the top of bimetal leaf (16), lever head end (19) contacts with described poke rod (2) lower surface, the other end of lever (18) contacts with the main framing of being located at switch cavity (5) (7) end face, and the below in the middle of the lever is and the middle projection (20) that holds mutually of bimetal leaf (16).
2, electric heating vessel steam switch according to claim 1 is characterized in that bimetal leaf (16) is unitary circular or oval video disc.
3, electric heating vessel steam switch according to claim 1 is characterized in that the end face that contacts of lever (17) and main framing (7) is cylinder shaft body (18) upwards, and with the mutual fit of circular shaft inner concave of main framing one end.
4, electric heating vessel steam switch according to claim 1, it is characterized in that the level that is provided with in the shift fork pass shift fork and with the couple axle (22) of conductive metal sheet (10) square crossing.
5, electric heating vessel steam switch according to claim 1 is characterized in that main framing (7) and upper shell (3) sealing composition enclosed switch chamber (5).
6, electric heating vessel steam switch according to claim 1 is characterized in that bimetal leaf (16) and bimetal leaf compressing tablet (14) and lower house (21) form vapor chamber (15).
7, electric heating vessel steam switch according to claim 1 is characterized in that establishing osculum (23) in shift fork (4) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520100857 CN2779589Y (en) | 2005-03-09 | 2005-03-09 | Electrothermal container vapor switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520100857 CN2779589Y (en) | 2005-03-09 | 2005-03-09 | Electrothermal container vapor switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779589Y true CN2779589Y (en) | 2006-05-10 |
Family
ID=36753676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520100857 Expired - Lifetime CN2779589Y (en) | 2005-03-09 | 2005-03-09 | Electrothermal container vapor switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779589Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465240B (en) * | 2009-01-05 | 2011-01-05 | 毛秀娣 | Electrothermic steam control switch |
-
2005
- 2005-03-09 CN CN 200520100857 patent/CN2779589Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465240B (en) * | 2009-01-05 | 2011-01-05 | 毛秀娣 | Electrothermic steam control switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO SHENGLAIDA ELECTRICAL APPLIANCES CO., LTD. Free format text: FORMER OWNER: YANG NINGEN Effective date: 20081010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081010 Address after: No. 515, Chong Kang South Road, Zhuang Qiao Town, Jiangbei District, Zhejiang, Ningbo: 315032 Patentee after: Ningbo Sunlight Electrical Appliance Co., Ltd. Address before: Zhejiang Jiangdong District of Ningbo City, LITE-ON Road (Yongda garden) Lane 48 No. 55 room 103, zip code: 315040 Patentee before: Yang Ningen |
|
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO SHENGLAIDA ELECTRICAL CO., LTD. Free format text: FORMER NAME: NINGBO SHENGLAIDA ELECTRICAL APPLIANCES CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 515, Kang Zhuang Nan Lu, Jiangbei District, Zhejiang, Ningbo: 315032 Patentee after: Ningbo Sunlight Electrical Appliance Co., Ltd. Address before: No. 515, Chong Kang South Road, Zhuang Qiao Town, Jiangbei District, Zhejiang, Ningbo: 315032 Patentee before: Ningbo Sunlight Electrical Appliance Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150309 Granted publication date: 20060510 |