CN1473537B - Toaster stove with overheat protective function - Google Patents
Toaster stove with overheat protective function Download PDFInfo
- Publication number
- CN1473537B CN1473537B CN03140116.3A CN03140116A CN1473537B CN 1473537 B CN1473537 B CN 1473537B CN 03140116 A CN03140116 A CN 03140116A CN 1473537 B CN1473537 B CN 1473537B
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- toaster
- armature
- assembly
- elastic 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 - Fee Related
Links
- 230000009993 protective function Effects 0.000 title claims description 8
- 235000008429 bread Nutrition 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 10
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- 239000011796 hollow space material Substances 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 235000021168 barbecue Nutrition 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/08—Bread-toasters
- A47J37/0814—Bread-toasters with automatic bread ejection or timing means
- A47J37/0842—Bread-toasters with automatic bread ejection or timing means with electronic timers
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
The Duoshi stove with overheat protection function includes bread grill capable of shift between the roasting position and the withdrawn position, armature fixed on the support, elastic switch, electromagnetic assembly and base seat. The electromagnetic assembly includes electromagnet and main body with at least one transversal side branch and one longitudinal hook; the base seat includes one topboard with at least one hole for the hook to install; the elastic switch is located between the side branch, which stops the elastic switch arm from moving downwards, and the armature. When the support moves downwards, the depressed elastic switch to make the electromagnet powered to attract the armature; and when the electromagnet is power cut the electromagnetic assembly will slide to the baseseat owing to self weight so as to separate the elastic switch and turn off the heating circuit.
Description
Technical field
The present invention relates to a kind of toaster, particularly a kind of toaster with overheat protective function.
Background technology
Toaster is the small household appliance that is used for toasting food such as bread.Existing toaster generally includes assemblies such as body of heater, electric heating part, bread carriage, electromagnet, control lever and control circuit board.The bread carriage links to each other with control lever, is installed on movably in the baking chamber that forms in the body of heater, and can and withdraws between the position and move in the baking position in the baking chamber.The electromagnet of being located at bottom, baking chamber when the bread carriage is toasting the position is triggered and by an armature bread carriage is remained on and toasts on the position, heating element heater with one section preset time of bread baking after, the bread carriage can be moved to and withdraws from the position to take out roasting good bread.Yet in the bread accident is stuck in the bread carriage or during the big bread of the groove size of packing into than toaster of packing into, the bread carriage may be blocked in the baking position and clog, like this to after the scheduled time bread carriage still be lockable and can't rise, electric heating part continues energising, therefore exist bread because of the danger that long-time barbecue catches fire, use very dangerous.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, the invention provides a kind of toaster that has safety device, after the predetermined heat time arrived, it can disconnect the circuit of electric heating part and make electric heating part stop heating when the bread carriage was stuck.
The technical solution adopted in the present invention is: a kind of toaster with overheat protective function; establish in comprising heating element heater body of heater, can the baking position with withdraw between the position mobile bread carriage, support, armature, elastic switch, electromagnetism sub-assembly and pedestal; the bread carriage can be fixed on the support; electromagnetism sub-assembly and armature effect can remain on the bread carriage on the baking position; the electromagnetism sub-assembly is installed on the pedestal movably by this hole, and elastic switch is between armature and electromagnetism sub-assembly.
Above-mentioned support comprises at least one arm, and arm bottom is one-body molded that a projection arranged, and elastic switch is one-body molded at least one contact.Above-mentioned electromagnetism sub-assembly comprises electromagnet and body, and both are closely as one, also be provided with the crook of side shoot and at least one longitudinal extension of at least one horizontal expansion on the body, said base comprises a top board, and have at least one hole on the top board, the electromagnetism sub-assembly is installed on the pedestal movably by this hole.
Elastic switch is further between the side shoot and armature on the body, and side shoot can stop an elastic arm of elastic switch to move downward, when support moves downward, depress elastic switch one elastic arm and make switch closure thereby projection presses contact, the electromagnet energising holds armature; When electromagnet outage back electromagnetism sub-assembly under the self gravitation effect during from the armature landing to pedestal, disconnect heater circuit thereby elastic switch is flicked.
By above technical scheme, when causing the bread carriage normally not upspring in the time of in bread is stuck in the baking chamber, after predetermined stoving time arrives, can make elastic switch disconnect heater circuit after the electromagnet outage, effectively avoided continuing the danger that baking is caught fire bread and damaged other electrical equipment, thereby guaranteed the safe handling of toaster.
Description of drawings
Fig. 1 is the structure cutaway view of toaster of the present invention.
Fig. 2 is the stereogram of toaster safety device.
Fig. 3 A, Fig. 3 B are the amplification stereograms of toaster electromagnetism sub-assembly.
Fig. 4 is the cutaway view of toaster safety device.
Fig. 5 is the cutaway view of toaster safety device when starting working.
The cutaway view of safety device when Fig. 6 is the toaster normal operating conditions.
Fig. 7 is the cutaway view after the action of toaster safety device.
The specific embodiment
As shown in Figure 1 and please refer to Fig. 2, toaster of the present invention comprises bread carriage 1, the one end inserts in the block button hole set on relative two arms 12 of support 3, thereby be connected as a single entity with bread carriage 1 in the block button hole 31 of control lever 2 insertion supports 3 upper ends, two arms, 12 bottoms of support 3 are one-body molded respectively to be had a small lugs 121, support 3 to be guided on the guide pillar 4 vertically to move.There is a horizontal projection below of support 3 upper clamp button holes 31, its relative two inboards are respectively equipped with corresponding draw-in groove, but buckle one armature 11 after armature 11 snaps in chute, can have a little to move the adjustment space in order to inhaling mutually with electromagnet 110 in the optimum position in vertical direction and horizontal direction.One side of block button hole 31 also is provided with the protrusion platform 32 of a hollow, return spring 15 from hollow bulb by and be fixed.
Shown in Fig. 2, Fig. 3 A and Fig. 3 B, the safety device of toaster mainly comprises the set pedestal of bottom of furnace body 140, electromagnet 110 and body 130.Electromagnet 110 includes the E shape arm of being made up of silicon steel sheet 111, body 130 has a hollow space, can tightly be enclosed within on E shape arm 111 intermediate arms, by the E shape arm 111 formed spaces of the last lower platform of body 130 and electromagnet 110 then in order to around coil, thereby electromagnet 110 forms electromagnetism sub-assemblies 10 with body 130, and it can be cut off the power supply after being set in a certain section preset time by control circuit independently.Body 130 wherein a side also extend two side shoots 120 relatively, the direction of the bearing of trend of side shoot 120 and E shape arm 111 is perpendicular.Extending a pair of crook 150 downwards with perpendicular body 130 another sides of side shoot 120 bearing of trends.Have two on the top board 143 of pedestal 140 and form the slot 141 of loose fits with crook 150, therefore the electromagnetism sub-assembly of being made up of electromagnet 110 and body 130 10 is installed on the pedestal 140 movably by the loose fit of crook 150 with hole 141, and pedestal 140 is fixed on the toaster base plate.Electromagnet 110 can move up together with body 130, is blocked by the lower surface of pedestal 140 top boards 143 up to crook 150; Electromagnet 110 and body 130 were under the gravity effect of self after current of electromagnet was cut off, and electromagnetism sub-assembly 10 can contact with the upper surface of pedestal 140 top boards 143 up to the lower surface of electromagnet 110 in downward landing.
With reference to Fig. 2 and Fig. 4, toaster bottom electrical magnetic assembly 10 bilateral symmetry be provided with gripper shoe 16, be fixed with a pair of switch of making by elastomeric material 19 on it, it comprises elastic arm 191, and elastomeric material relative up and down contact 171,172 and the silver contact 181,182 made, and can depress contact 181,182 respectively during the terminal pressurized of contact 171,172.Elastic switch 19 links to each other with the heater circuit of toaster, and heating element heater was started working when it was closed, and heating element heater stops to roast bread during disconnection.When elastic switch 19 is in releasing orientation, the bottom surface of contact 172 sweeps contacts with the upper surface of above-mentioned side shoot 120, therefore side shoot 120 has limited contact 172 and has moved down in vertical direction, and 171 of contacts freely stretch upwards under the elastic force effect.
With reference to Fig. 4, the bread carriage 1 of toaster of the present invention was in and withdrawed from the position this moment, can pack into or drew off bread.Because the gravity effect, 10 of electromagnetism sub-assemblies abut against on the top board 143 of pedestal 140, and elastic switch 19 is in releasing orientation, and therefore the side shoot 120 that contact 172 sweeps are extended blocks and can not move downward.
With reference to Fig. 5, to press control lever 2 support 3 is moved vertically downward along guide pillar 4, return spring 15 is drawn downwards, is in stress.The projection 121 of two arms, 12 bottoms of support 3 is pushed down contact 171 and is moved downward, and elastic arm 191 is bent downwardly and contact 181 moves downward thereby drive.Because contact 172 is blocked and can not move downward by side shoot 120, when control lever 2 is moved downward to a certain degree, contact 181 is connected with contact 182, elastic switch 19 closed circuits, electromagnet 110 holds armature 11 owing to energising produces magnetic force, and can not produce relative motion between armature 11 and the electromagnetism sub-assembly 10 and become the together integral body of motion this moment.
With reference to Fig. 6, bread carriage 1 unclamps control lever 2 after being in the baking position, because return spring 15 produces a pulling force that makes progress, armature 11 holds electromagnet 110 and body 130 moves upward together, therefore driving contact 172 by body 130 extended side shoots 120 moves up, thereby contact 181 is continued to connect drive elastic switch 19 integral body with contact 182 and is moved up, and is blocked by the lower surface of pedestal 140 top boards 143 up to crook 150.This moment toaster safety device transfixion, the bread on the heating element heater baking bread carriage 1 of toaster.
Under normal circumstances, after having toasted one section preset time, the control circuit of electromagnet 110 can make electromagnet 110 cut off the power supply automatically, electromagnet 110 unclamps armature 11 because of suction disappears, under the pulling force effect that return spring 15 makes progress, support 3 drive bread carriages 1 upwards are reset to and withdraw from the position, can take out roasting good bread.
With reference to Fig. 7, when the bread of baking is stuck in bread carriage 1, bread carriage 1 can't be pulled upwardly by return spring 15, electromagnet 110 outage back suction disappear after the baking scheduled time, electromagnetism sub-assembly 10 meeting landing vertically downward under the gravity effect of self that this moment, electromagnet 110 and body 130 were formed, lower surface up to electromagnet 110 contacts with the upper surface of pedestal 140 top boards 143, promptly falls to being back to the state near pedestal 140 top boards 143.Because the side shoot 120 on the body 130 glides, elastic switch 19 elastic arm 191 and contact 172 under the elastic force effect also can flick downwards, therefore can discharge enough spaces in vertical direction, be enough to guarantee that contact 182 and contact 181 are separated, thereby disconnection heater circuit, heating element heater is stopped bread baking, effectively avoided continuing the danger that baking is caught fire bread and damaged other electrical equipment, reach effect safe in utilization.
Claims (4)
1. toaster with overheat protective function, establish the body of heater of heating element heater in comprising, toast the position and withdrawing from the bread carriage that moves between the position, support, armature, elastic switch, electromagnetism sub-assembly and pedestal, the bread carriage is fixed on the support, electromagnetism sub-assembly and armature effect remain on the bread carriage on the baking position, it is characterized in that: described electromagnetism sub-assembly comprises electromagnet and body, this electromagnet and body are closely as one, electromagnet includes the E shape arm of being made up of silicon steel sheet, body has a hollow space, tightly be enclosed within on the E shape arm intermediate arm, by the formed space of E shape arm of the last lower platform of body and electromagnet then in order to around coil; The electromagnetism sub-assembly is cut off the power supply after being set in a certain section preset time by control circuit independently; Body wherein a side also extend two side shoots relatively, the direction of the bearing of trend of side shoot and E shape arm is perpendicular, extending a pair of crook downwards with perpendicular another side of body of side shoot bearing of trend, described pedestal comprises a top board, have two on the top board of pedestal and form the slot of loose fit with crook, the electromagnetism sub-assembly of being made up of electromagnet and body is installed on the pedestal movably by the loose fit in crook and hole, and pedestal is fixed on the toaster base plate; Elastic switch is between armature and electromagnetism sub-assembly; Support comprises at least one arm, and arm bottom is one-body molded that a projection arranged, and elastic switch is one-body molded at least one contact.
2. the toaster with overheat protective function according to claim 1 is characterized in that: the hole on described crook and the described pedestal top board forms loose fit, and the electromagnetism sub-assembly is installed on the pedestal movably.
3. the toaster with overheat protective function according to claim 1 and 2 is characterized in that: described armature is fixed on the support, and moves with the bread carriage is whole.
4. the toaster with overheat protective function according to claim 1 and 2 is characterized in that: described elastic switch is further between the side shoot and armature on the body.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03140116.3A CN1473537B (en) | 2003-08-11 | 2003-08-11 | Toaster stove with overheat protective function |
| PCT/CN2004/000921 WO2005013786A1 (en) | 2003-08-11 | 2004-08-10 | Toaster with overheating protection function |
| GB0604705A GB2422293B (en) | 2003-08-11 | 2004-08-10 | Toaster with overheating protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03140116.3A CN1473537B (en) | 2003-08-11 | 2003-08-11 | Toaster stove with overheat protective function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1473537A CN1473537A (en) | 2004-02-11 |
| CN1473537B true CN1473537B (en) | 2010-04-28 |
Family
ID=34121276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03140116.3A Expired - Fee Related CN1473537B (en) | 2003-08-11 | 2003-08-11 | Toaster stove with overheat protective function |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1473537B (en) |
| GB (1) | GB2422293B (en) |
| WO (1) | WO2005013786A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962797B (en) * | 2016-06-02 | 2018-08-07 | 中山市凌峰照明电器有限公司 | Bread toaster with safety lock |
| US10813496B2 (en) | 2017-07-07 | 2020-10-27 | Spectrum Brands, Inc. | Secondary circuit and timing device for appliance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2645424B1 (en) * | 1989-04-07 | 1994-11-04 | Moulinex Sa | TOASTER COMPRISING A BREAD WARMING DEVICE |
| CN2393246Y (en) * | 1999-09-29 | 2000-08-23 | 深圳晶辉电器有限公司 | Blocked automatic resetting and power cutting-off protection mechanism for Duoshi stove |
| GB2365756A (en) * | 2000-06-05 | 2002-02-27 | Simatelex Manuf Co | Toaster with auxiliary power cut-off switch |
| US6481341B1 (en) * | 2002-02-27 | 2002-11-19 | Hon Way Plastic & Metal Manufacturing Co. Ltd. | Anti-burn toaster |
-
2003
- 2003-08-11 CN CN03140116.3A patent/CN1473537B/en not_active Expired - Fee Related
-
2004
- 2004-08-10 GB GB0604705A patent/GB2422293B/en not_active Expired - Fee Related
- 2004-08-10 WO PCT/CN2004/000921 patent/WO2005013786A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005013786A1 (en) | 2005-02-17 |
| GB2422293A (en) | 2006-07-26 |
| GB0604705D0 (en) | 2006-04-19 |
| GB2422293B (en) | 2007-06-06 |
| CN1473537A (en) | 2004-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG ETERNAL ELECTRICAL MFG CO., LTD. Free format text: FORMER OWNER: ZHOU ZHUANWEI Effective date: 20040827 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20040827 Address after: 528318 Guangdong province Foshan city Longjiang District Shunde town Longzhou West Yilong Electrical Products Co Ltd Applicant after: Guangdong Yilong Electric Appliance Product Co., Ltd. Address before: 528318 Guangdong province Foshan city Longjiang District Shunde town Longzhou West Yilong Electrical Products Co Ltd Applicant before: Zhou Chuanwei |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20130811 |