CN102306565B - Protecting structure of temperature controller - Google Patents
Protecting structure of temperature controller Download PDFInfo
- Publication number
- CN102306565B CN102306565B CN 201110188240 CN201110188240A CN102306565B CN 102306565 B CN102306565 B CN 102306565B CN 201110188240 CN201110188240 CN 201110188240 CN 201110188240 A CN201110188240 A CN 201110188240A CN 102306565 B CN102306565 B CN 102306565B
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- lever
- thermostat
- main body
- button
- drive rod
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Abstract
The invention discloses a protecting structure of a temperature controller, which has a reasonable structure and can effectively prevent an electrothermal kettle from being continuously electrified and dry burned. The protecting structure comprises a temperature controller main body, a steam switch, a dry burning switch and a switch control mechanism, wherein the switch control mechanism comprises a lever, a sudden jumping spring and a movable and a static contact pieces; a set of linkage mechanism is arranged in the temperature controller main body; the linkage mechanism comprises two lever pieces which are mutually associated and are provided with fixed rotating shafts; one lever piece is a pressing lever; the protrusion end of the pressing lever is arranged above the movable contact piece; the other lever piece is a driving lever; the protrusion end of the driving lever is arranged above the outer end of the lever; moreover, an interface used for installing a button is designed on the protrusion end of the driving lever; and the driving lever and the pressing lever are connected through a gear. According to the invention, even if the button cannot automatically bounce up after being pressed down due to the extrusion of foreign matter or other reasons, the electrothermal kettle cannot be electrified so that the phenomenon of continuous repeated dry burning is avoided, the safety performance of a product is enhanced and the service life of the product is increased.
Description
Technical field
The present invention relates to a kind of thermostat, be specifically related to a kind of protection structure of thermostat.
Background technology
At present, the common thermostat that is used for electric kettle on the market, though profile is different, version is similar, many common features are arranged, such as all have functions (simplified schematic diagram is seen Fig. 1) such as 360 ° of rotation electrical connection functions, steam cock, dry combustion method switch on the function.Structurally, the connecting and disconnecting of circuit that is be moving contact with the fixed contact closure with separate, all be to be realized by an action that has the leverage of kick function.This leverage that has a kick function mainly by thermostat main body 1 ', lever 2 ', kick spring 3 ' composition.Lever 2 ' inside end is in the top of movable contact spring, outside end design has interface, in order to button 4 ' (simplified schematic diagram is seen Fig. 2, Fig. 3) to be installed.Because button 4 ' be directly installed on the lever outer end, so in use, such anomaly appears in the capital: if the button of thermostat 4 ' because foreign matter extruding or other external force reasons would be fixed, in the time of can't being returned to the normality state (simplified schematic diagram is seen Fig. 4), steam cock is with ineffective; After the dry combustion method switch then can the water in insulating pot be dryouied, constantly repeated cutting, connect circuit, that is be that dry combustion method will take place insulating pot without a break, namely be that the dry combustion method that industry is often said circulates.Can cause serious harm to product like this, reduce the useful life of product greatly, but serious also fire hazard.This also is the reason why present insulating pot thermostat manufacturer all proposes to have the requirement of dry combustion method cycle life to the insulating pot heat-generating disc.At the shortcoming that above-mentioned abnormal conditions may take place, be necessary to make improvement.
Summary of the invention
Problem to be solved by this invention is, at the deficiencies in the prior art, design a kind of rational in infrastructure, can effectively avoid constantly the switch on protection structure of thermostat of dry combustion method of electric kettle.
The technical solution used in the present invention is:
A kind of protection structure of thermostat; comprise the thermostat main body; steam cock; the dry combustion method switch; switching control mechanism; switching control mechanism comprises lever; kick spring and moving; static contact; in the thermostat main body, be provided with a cover link gear; this link gear is made up of two rod members that have fixed rotating shaft that are mutually related; one of them rod member is depression bar; the external part of depression bar is in the movable contact spring top; another rod member is drive rod; the external part of drive rod is in the top of lever outer end; and be useful on the interface that button is installed in the design of the external part of drive rod, be connected by gear between drive rod and the depression bar.
In the present invention, described drive rod is provided with the back-moving spring that is connected with the thermostat main body.
The invention has the beneficial effects as follows: the present invention switching control mechanism be leverage above be connected with pressure lever mechanism, after pressing the button under the external force effect, link gear drives lever and discharges the switch that movable contact spring is namely opened thermostat, the depression bar front end of link gear is pushed down movable contact spring downwards simultaneously, it can not be joined with static contact, and whole thermostat still is in off-position; After external force disappears, push-button reset, the front end that drives depression bar simultaneously leaves movable contact spring, and movable contact spring contacts with static contact, and whole thermostat is in normal operating state.Namely after button is pressed to push-button reset, whole thermostat still is in off-position, even make the present invention's button because foreign matter extruding or other reasons, in the time of after depressing, can't upspringing automatically, electric kettle is no power also, avoid the phenomenon of continuous repetition dry combustion method, improved the security of products energy, increased the useful life of product.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is insulating pot thermostat agent structure simplified schematic diagram commonly used at present;
Fig. 2 is the operation principle simplified schematic diagram of leverage when circuit disconnects of insulating pot thermostat at present commonly used;
Fig. 3 is the operation principle simplified schematic diagram of leverage when closing of circuit of insulating pot thermostat at present commonly used;
Fig. 4 is the operation principle simplified schematic diagram of insulating pot thermostat when button can't reset unusually at present commonly used;
Fig. 5 is the insulating pot thermostat agent structure simplified schematic diagram of present embodiment;
Fig. 6 is the operation principle simplified schematic diagram of leverage when circuit disconnects of the insulating pot thermostat of present embodiment;
Fig. 7 is the operation principle simplified schematic diagram of leverage when closing of circuit of the insulating pot thermostat of present embodiment;
Fig. 8 is the operation principle simplified schematic diagram of insulating pot thermostat when button can't reset unusually of present embodiment.
Embodiment
With reference to Fig. 5, Fig. 6, Fig. 7; that present embodiment provides is a kind of rational in infrastructure, can effectively avoid constantly the switch on protection structure of thermostat of dry combustion method of electric kettle; comprise thermostat main body 1, steam cock, dry combustion method switch, switching control mechanism, switching control mechanism comprises lever 2, kick spring 3 and dynamic and static contact.Be respectively equipped with fulcrum a15 and fulcrum b16 before and after on the wherein said thermostat main body 1.Be respectively equipped with fulcrum c21 and fulcrum d22 before and after on the described lever 2.Fulcrum a15 and fulcrum c16 match, and kick spring 3 is installed between the fulcrum b16 and the fulcrum d22 on the lever 2 on the thermostat main body 1, thereby makes lever 2 have kick swing function.Above-mentioned thermostat main body 1, lever 2, kick spring 3 combine with parts such as steam sheet, dry combustion method sheets, have realized functions such as steam cock, dry combustion method switch, and these all are the mature technologies of existing thermostat.Also be provided with installation position a17 and installation position b18 on the wherein said thermostat main body 1.Described depression bar 4 is provided with installation shaft.Installation shaft cooperates with installation position a17, and formation is rotationally connected.Described drive rod 5 is provided with installing hole.Installing hole cooperates with installation position b18, and formation is rotationally connected.Simultaneously depression bar 4 constitutes external gear again with drive rod 5 and is connected movement relation, and namely depression bar 4 and drive rod 5 connect and compose link gear by external gear.The external part of depression bar 4 is in the movable contact spring top, and another rod member is drive rod 5, and the external part of drive rod 5 is in the top of lever 2 outer ends, and is useful on the interface that button 6 is installed in the external part design of drive rod 5.
Described thermostat main body 1 is provided with movable contact spring I11, movable contact spring II12, static contact I13 and static contact II14.All be provided with conductive contact on movable contact spring and the static contact, movable contact spring and static contact separate break-make with closed forming circuit.
As preferred embodiment, described drive rod 5 is provided with the back-moving spring 7 that is connected with thermostat main body 1, by back-moving spring 7 drive rod 5, depression bar 4 and button 6 is set back, and guarantees the normal operating conditions of thermostat.Further, because drive rod 5 is against the top of lever 2 front ends, press the button 6, drive rod 5 can drive lever 2 more effortlessly and move down and open switch, when decontroling button 6, under back-moving spring 7 effects, drive rod 5 drives depression bar 4 and resets, and lever 2 still is in down state under the effect of kick spring 3.
In the present embodiment, the side of lever 2 is equipped with drive rod 5, and not only the convenient lever 2 that drives moves, and makes the stressed balance more of whole depression bar 4.Certainly, in the present invention, being provided with two depression bars 4 and its external part is against respectively on movable contact spring I11 and the movable contact spring II12, can also be to have only a depression bar 4 to be against on the movable contact spring I11, has equal technique effect, is its equal technical scheme.Further, in the present invention, the connected mode of drive rod 5 and depression bar 4 is not limited to gear and is connected, also lever or other connected modes.
With reference to Fig. 6, Fig. 7; when the button 6 of thermostat is in normal condition; by button 6 and after button 6 automatically resets; the working method of thermostat is the same with the working method of traditional thermostat; there is no difference; still can realize the boiled back of water outage and anti-dry defencive function automatically, meet the consistent habits and customs of people.
With reference to Fig. 8, when the button 6 of thermostat is pushed or other reasons by foreign matter, in the time of after depressing, can't upspringing automatically, depression bar 4 front ends of pressure lever mechanism are pushed down movable contact spring I11 downwards, it can not be joined with static contact I13, and whole thermostat still is in off-position, has avoided the electric kettle dry combustion method of constantly switching on, improve the security of products energy, increased the useful life of product.
The above is the preferential execution mode of the present invention, as long as realize that with basic identical means purpose of the present invention all belongs to the scope of protection of the invention.
Claims (1)
1. the protection structure of a thermostat, comprise thermostat main body (1), steam cock, the dry combustion method switch, switching control mechanism, switching control mechanism comprises lever (2), kick spring (3) and moving, static contact, it is characterized in that: in thermostat main body (1), be provided with a cover link gear, this link gear is made up of two rod members that have fixed rotating shaft that are mutually related, one of them rod member is depression bar (4), the external part of depression bar (4) is in the movable contact spring top, another rod member is drive rod (5), the external part of drive rod (5) is in the top of lever (2) outer end, and be useful on the interface that button (6) is installed in the design of the external part of drive rod (5), be connected by gear between drive rod (5) and the depression bar (4); Described drive rod (5) is provided with the back-moving spring (7) that is connected with thermostat main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110188240 CN102306565B (en) | 2011-07-06 | 2011-07-06 | Protecting structure of temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110188240 CN102306565B (en) | 2011-07-06 | 2011-07-06 | Protecting structure of temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102306565A CN102306565A (en) | 2012-01-04 |
| CN102306565B true CN102306565B (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110188240 Expired - Fee Related CN102306565B (en) | 2011-07-06 | 2011-07-06 | Protecting structure of temperature controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN102306565B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441034B (en) * | 2013-08-01 | 2015-12-09 | 佛山市汇莱德电器有限公司 | Switch anti-dry insulation construction under the electric kettle that a kind of integrated hand resets |
| CN112890588B (en) * | 2021-04-08 | 2024-09-13 | 佛山市亲护母婴用品有限公司 | Egg steamer with manual switch function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748003Y (en) * | 2004-07-29 | 2005-12-28 | 茹国生 | Electric water pot thermoregulator for preventing water dry-cooking |
| CN201274020Y (en) * | 2008-09-22 | 2009-07-15 | 甘跃斌 | Temperature controller for fast electric heating kettle |
| CN101604598A (en) * | 2009-07-14 | 2009-12-16 | 甘跃斌 | A kind of thermostat |
| CN202150403U (en) * | 2011-07-06 | 2012-02-22 | 甘跃斌 | Protection structure of temperature controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62166414A (en) * | 1986-01-20 | 1987-07-22 | Matsushita Electric Ind Co Ltd | Temperature controller |
-
2011
- 2011-07-06 CN CN 201110188240 patent/CN102306565B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748003Y (en) * | 2004-07-29 | 2005-12-28 | 茹国生 | Electric water pot thermoregulator for preventing water dry-cooking |
| CN201274020Y (en) * | 2008-09-22 | 2009-07-15 | 甘跃斌 | Temperature controller for fast electric heating kettle |
| CN101604598A (en) * | 2009-07-14 | 2009-12-16 | 甘跃斌 | A kind of thermostat |
| CN202150403U (en) * | 2011-07-06 | 2012-02-22 | 甘跃斌 | Protection structure of temperature controller |
Non-Patent Citations (1)
| Title |
|---|
| JP特开昭62-166414A 1987.07.22 |
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| CN102306565A (en) | 2012-01-04 |
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