CN103393361B - Power-off protection mechanism for toaster - Google Patents
Power-off protection mechanism for toaster Download PDFInfo
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- CN103393361B CN103393361B CN201310339203.9A CN201310339203A CN103393361B CN 103393361 B CN103393361 B CN 103393361B CN 201310339203 A CN201310339203 A CN 201310339203A CN 103393361 B CN103393361 B CN 103393361B
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- briquetting
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Abstract
A power-off protection mechanism of a toaster relates to the toaster, in particular to the power-off protection mechanism of the toaster. The power-off protection mechanism of the toaster comprises a rack (1) arranged in a shell, a sliding frame (3) capable of moving up and down and a control circuit, wherein the sliding frame (3) is installed on the rack (1), an armature coil (5) and a switch (6) are arranged on a base of the rack (1), an iron absorption frame (502) is arranged on the armature coil (5), a pressing block is arranged on the front end face of the sliding frame (3), a hook (501) and a pressing plate (503) are arranged on the iron absorption frame (502), the iron absorption frame (502) is arranged outside the stroke track of the pressing block, the hook head part of the hook (501) is arranged in the stroke track of the pressing block, and the pressing block is in elastic contact with the hook (501); and arranging a protection switch (605), wherein the pressure plate (503) is positioned above the protection switch (605), and the protection switch (605) is arranged on the stroke track of the pressure plate (503). The invention has the advantages of simple structure, safety, reliability and low cost.
Description
Technical field
The present invention relates to toaster, particularly toaster circuit breaking protection mechanism.
Background technology
When the power-line plug of the toaster that market is sold is not pulled out, in working order or off working state, if careless or because other reason, hand stubbornly refuses to rise being pressed downward, and balladeur train and bracket are stuck, anti-sticking Anti-jam can not work, balladeur train can not be upspring, and causes switch to be in on-state always, and heating wire generates heat baking bread always, if undiscovered, the contingency of fire hazardous will be held.
For addressing this problem; present toaster generally adds the anti-hand of electronics being pressed down electric protection circuit; namely on one piece of pcb board, 3 relays and other electronic component are housed; when toaster baking time reaches setting baking time; control circuit control relay disconnects, and cuts off the electricity supply by force.Although electronics anti-hand handle is pressed down, electric protection circuit solves toaster hand handle by inadvertent depression or this problem stuck; but because the anti-hand of electronics needs use 3 relays the electric protection circuit that is pressed down; adapted support fixes pcb board and many electronic components again; adapted lead-in wire connects; also need the heat-proof device increasing this pcb board, thus take larger space, cost is high; complex process, affects the competitiveness of product in market.
Summary of the invention
The object of the present invention is to provide a kind of when attaching plug is not pulled out; no matter be that the hand handle, balladeur train, bracket etc. of toaster are by inadvertent depression; after making toaster switch on power, as long as control circuit fault-free, can the toaster circuit breaking protection mechanism of auto-breaking.
Object of the present invention can realize like this, design a kind of toaster circuit breaking protection mechanism, comprise and establish frame in the enclosure, balladeur train moving up and down, control circuit, balladeur train is arranged in frame, the base of described frame is provided with armature coil and switch, and described armature coil is provided with suction brandreth;
Described balladeur train front end face is provided with briquetting, and described suction brandreth is provided with hook and pressing plate, described suction brandreth is arranged on outside the travel path of briquetting, and the hook head portions of hook is arranged in the travel path of briquetting, is Elastic Contact between briquetting and hook; Protection switch is set, described pressing plate is positioned at above described protection switch, described protection switch is arranged in the travel path of pressing plate, when balladeur train moves down, the described hook on described suction brandreth oppressed by described briquetting, makes the iron core of suction brandreth on described armature coil close, when described suction brandreth is close to iron core on described armature coil, described protection switch oppressed by described pressing plate makes it close, and described briquetting is shunk back by behind described hook top, is in described hook below;
Described hook is inhale flexible hook fixing on brandreth, and the inclined-plane of briquetting is corresponding with flexible inclined-plane link up with, briquetting with stretch link up with contact time, stretch and link up with elastic yield and reset; Or
Described hook is elastic hook, and the inclined-plane of described briquetting is corresponding with the inclined-plane of described elastic hook, when briquetting contacts with elastic hook, and elastic hook elastic yield and reset.
Alternatively, described briquetting is flexible briquetting, and hook is fixed on to be inhaled on brandreth, and the inclined-plane of described flexible briquetting is corresponding with the inclined-plane of described hook, when flexible briquetting contacts with hook, and flexible briquetting elastic telescopic.
Further, described flexible briquetting comprises slide, has the slide block of lower inclined plane and spring, and described slide is one end open, and the other end has the cylinder in hole; One end of described slide block is provided with lower inclined plane, and the other end is provided with anticreep boss; Described slide block is positioned at described slide, and slide block is provided with one end of lower inclined plane through hole, the other end and the spring contact on described slide.
Alternatively, described briquetting is elastic hook, and hook is fixed on to be inhaled on brandreth, and the inclined-plane of described elastic hook hook portion is corresponding with the inclined-plane of described hook, when elastic hook contacts with hook, and elastic hook elastic yield and reset.
Further, described protection switch is disposed side by side on the switch base of switch, crosses out end and is positioned at below described pressing plate.
Preferably, described pressing plate is that described suction brandreth side extends.
The present invention compared with prior art, increase a cut-offing protecting switch, balladeur train arranges flexible or flexible briquetting, the hook on brandreth is inhaled in compressing, or flexible or flexible hook are set on suction brandreth, the briquetting arranged by balladeur train is oppressed, power switch and cut-offing protecting switch are closed, and this structural design is for when balladeur train vertically moves down, briquetting on balladeur train can not touch suction brandreth, when armature coil dead electricity, inhale brandreth can freely reset, make the structure that cut-offing protecting switch disconnects, ensure that at balladeur train, after hand handle is depressed, toaster can under the effect of protection switch auto-breaking, it is simple that its structure has structure, safe and reliable, advantage with low cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one of present pre-ferred embodiments;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is Fig. 1 balladeur train and hand the schematic diagram after moving down;
Fig. 5 is Fig. 3 balladeur train and hand the schematic diagram after moving down;
Fig. 6 is after Fig. 5 balladeur train and hand move down rear armature coil dead electricity pressure, schematic diagram when protection switch disconnects;
Fig. 7 is the structural representation that the briquetting that two balladeur trains of present pre-ferred embodiments are arranged adopts elastic hook;
Fig. 8 is the structural representation that three cut-offing protecting switch of present pre-ferred embodiments are independently arranged;
Fig. 9 be present pre-ferred embodiments four balladeur trains on fixing briquetting is set, inhale structural representation brandreth being arranged flexible hook;
Figure 10 be present pre-ferred embodiments five balladeur trains on fixing briquetting is set, inhale structural representation brandreth being arranged elastic hook.
Armature coil 5 is made partial cutaway except process for showing protection switch 605 open and-shut mode by Fig. 5, Fig. 6, Fig. 7, Fig. 9, Figure 10.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of toaster circuit breaking protection mechanism, comprise frame 1, balladeur train moving up and down 3, the control circuit established in the enclosure, the base of described frame 1 is provided with armature coil 5 and switch 6, described armature coil 5 is provided with inhales brandreth 502, described balladeur train 3 front end face is provided with briquetting, the briquetting of the present embodiment is flexible briquetting 302, described flexible briquetting 302 comprises slide 3022, has the slide block 3021 of lower inclined plane and spring 3023, described slide 3022 is one end open, and the other end has the square tube in hole; Described slide block 3021 is provided with inclined-plane for one end, and the other end is provided with the rectangular block of anticreep boss; Described slide block 3021 establishes bevelled one end through the hole on described slide 3022, and the other end contacts with spring 3023, is positioned at described slide 3022.Described slide 3022 open at one end of described flexible briquetting 302 is fixed on the end face of described balladeur train 3.When the pressure that the lower inclined plane of described slide block 3021 is subject to is greater than the elastic force of described spring 3023, described slide block 3021 will retreat toward described slide 3022 direction.Described suction brandreth 502 is fixed with hook 501 and pressing plate 503, described hook 501 is the squares be fixed on described suction brandreth 502 with ramp.The inclined-plane of described flexible briquetting 302 is corresponding with the inclined-plane of described hook 501.Described switch 6 is provided with protection switch 605; described pressing plate 503 is positioned at above described protection switch 605; corresponding with described protection switch 605 position; when user press down hand on balladeur train 3 303 time; balladeur train 3 is along vertical shaft 2 slide downward; when balladeur train 3 move down into the compressing tablet 301 that it is fixedly connected with contact with described switch 6 time; switch press strip 601 pushed down by compressing tablet 301 on described balladeur train 3; along with described balladeur train 3 continue move down; switch press strip 601 moves down; switch rocking arm 602 rotates, and switch press plate 603 oppresses switch shrapnel 604, and described switch shrapnel 604 is closed.At this moment; described hook 501 oppressed by the flexible briquetting 302 be fixed on described balladeur train 3; described hook 501 is rotated down together with suction brandreth 502; make the iron core of described suction brandreth 502 on described armature coil 5 close; when described suction brandreth 502 is close to iron core on described armature coil 5, described protection switch 605 oppressed by described pressing plate 503 makes it close, thus control circuit is energized; as shown in Figure 5, armature coil 5 is made partial cutaway except process for showing protection switch 605 in figure.Described protection switch 605 is connected between power switch 6 and toaster heater element.Described flexible briquetting 302 is by under the compressing of described hook 501 inclined-plane component, shrink back to described balladeur train 3 direction by described hook 501 top, be in the below of described hook 501, described suction brandreth 502 is arranged on outside the travel path of flexible briquetting 302, the hook head portions of hook 501 is arranged in the travel path of flexible briquetting 302, distance is there is in described flexible briquetting 302 with the transverse direction of described suction brandreth 502, when described balladeur train 3 continues to move down, described flexible briquetting 302 can not touch described suction brandreth 502.
As shown in Figure 7, the structure that the briquetting of the present embodiment can also adopt elastic hook 3026 such, one end of described elastic hook 3026 is fixedly connected with the end face of balladeur train 3, and the other end is converted into hook-shaped, and the lower inclined plane of its hook portion is corresponding with the inclined-plane of described hook 501.The hand pressed down on described pressure balladeur train 3 as user makes described balladeur train 3 move down into described elastic hook 3026 303 and oppresses described hook 501; described hook 501 is rotated down together with suction brandreth 502; make the iron core of described suction brandreth 502 on described armature coil 5 close; when described suction brandreth 502 is close to iron core on described armature coil 5; described protection switch 605 oppressed by described pressing plate 503 makes it close, thus control circuit is energized.Described elastic hook 3026 is by under the compressing of described hook 501 inclined-plane component, shrink back to described balladeur train 3 direction by described hook 501 top, be in the below of described hook 501, described suction brandreth 502 is arranged on outside the travel path of described elastic hook 3026, the hook head portions of hook 501 is arranged in the travel path of described elastic hook 3026, distance is there is in described elastic hook 3026 with the transverse direction of described suction brandreth 502, when described balladeur train 3 continues to move down, described elastic hook 3026 can not touch described suction brandreth 502.Protection switch 605 described in the present embodiment is disposed side by side on the switch base of switch 6, and its switch plate crosses out, and is positioned at below described pressing plate 503 and contacts with described elastic hook 3026.Described pressing plate 503 also can be that the side of described suction brandreth 502 extends.
As shown in Figure 8, other structures are identical with embodiment one, but the hook 504 of the present embodiment is slightly different from embodiment one, done a little change; And described protection switch adopts independently construction of switch, protection switch 6051 is arranged on separately the structure on the base plate of frame 1, and described protection switch 6051 is positioned at the below of described pressing plate 503, corresponding with described pressing plate 503 position and be in contact with it.Described protection switch 6051 is connected between power switch 6 and toaster heater element.
As shown in Figure 9, Figure 10; a kind of toaster circuit breaking protection mechanism; comprise frame 1, balladeur train moving up and down 3, the control circuit established in the enclosure; the base of described frame 1 is provided with armature coil 5 and switch 6; described armature coil 5 is provided with inhales brandreth 502; described balladeur train 3 front end face is provided with briquetting; the briquetting of the present embodiment is the non-retractable briquetting 3024 with lower inclined plane; described suction brandreth 502 is fixed with flexible hook and pressing plate 503, the inclined-plane of described briquetting 3024 is corresponding with the inclined-plane of described flexible hook.Described switch 6 is provided with protection switch 605, described pressing plate 503 is positioned at above described protection switch 605, corresponding with described protection switch 605 position, when user press down hand on described balladeur train 3 303 time, described balladeur train 3 is along vertical shaft 2 slide downward, when described balladeur train 3 move down into the compressing tablet 301 that it is fixedly connected with contact with described switch 6 time, switch press strip 601 pushed down by described compressing tablet 301 on described balladeur train 3, along with described balladeur train 3 continue move down, described switch press strip 601 moves down, switch rocking arm 602 rotates, switch press plate 603 oppresses switch shrapnel 604, switch shrapnel 604 is closed.At this moment; flexible hook oppressed by the described briquetting 3024 be fixed on described balladeur train 3; described flexible hook and described suction brandreth 502 are rotated down; make the iron core of described suction brandreth 502 on described armature coil 5 close; when described suction brandreth 502 is close to iron core on described armature coil 5; described protection switch 605 oppressed by described pressing plate 503 makes it close, because described protection switch 605 is connected between power switch 6 and toaster heater element, thus control circuit is energized.Described flexible hook is by under the compressing of described briquetting 3024 inclined-plane component, shrink back to described suction brandreth 502 direction, described briquetting 3024 is by described flexible hook top, be in the below of described flexible hook, described suction brandreth 502 is arranged on outside the travel path of described briquetting 3024, the head of described flexible hook is arranged in the travel path of described briquetting 3024, distance is there is in described briquetting 3024 with the transverse direction of described suction brandreth 502, when described balladeur train 3 continues to move down, described briquetting 3024 can not touch described suction brandreth 502.The flexible hook of the present embodiment adopts the structure of flexible hook 505, and described flexible hook 505 is made up of slide 5052, the slide block 5051 with ramp and spring 5053, and described slide 5052 is one end open, and the other end has the square tube in hole; Described slide block 5051 is provided with inclined-plane for one end, and the other end is provided with the rectangular block of anticreep boss; Described slide block 5051 establishes bevelled one end through the hole on described slide 5052, and the other end contacts with spring 5053, is positioned at described slide 5052.Described slide 5052 open at one end of described flexible hook 505 is fixed on described suction brandreth 502.When the pressure that the ramp of described slide block 5051 is subject to is greater than the elastic force of described spring 5053, described slide block 5051 will retreat toward described slide 5052 direction.The inclined-plane with the described briquetting 3024 of lower inclined plane is corresponding with the inclined-plane with the described slide block 5051 of ramp of described flexible hook 505.
As shown in Figure 10, the flexible hook of the present embodiment can also adopt this structure of elastic hook 506, one end of described elastic hook 506 is fixedly connected with the upper surface of described suction brandreth 502, and the other end is converted into hook-shaped, and the ramp of its hook portion is corresponding with the lower inclined plane of described briquetting 3024.The hand pressed down on balladeur train 3 as user makes balladeur train 3 move down into described briquetting 3024 303 and oppresses described elastic hook 506; described elastic hook 506 and described suction brandreth 502 are rotated down; make the iron core of suction brandreth 502 on described armature coil 5 close; when described suction brandreth 502 is close to iron core on described armature coil 5; described protection switch 605 oppressed by described pressing plate 503 makes it close; because described protection switch 605 is connected between power switch 6 and toaster heater element, thus makes control circuit be energized.Under the compressing of described elastic hook 506 by the lower inclined plane component of described briquetting 3024, shrink back to described suction brandreth 502 direction, described briquetting 3024 is by described elastic hook 506 top, be in the below of elastic hook 506, described suction brandreth 502 is arranged on outside the travel path of described briquetting 3024, the gib head portion of described elastic hook 506 is arranged in the travel path of described briquetting 3024, distance is there is in described briquetting 3024 with the transverse direction of described suction brandreth 502, when described balladeur train 3 continues to move down, described briquetting 3024 can not touch described suction brandreth 502.Protection switch 605 described in the present embodiment is disposed side by side on the switch base of switch 6, and its switch spring crosses out, and is positioned at below described pressing plate 503 and contacts with briquetting 3024.Described pressing plate 503 also can be that the side of described suction brandreth 502 extends.
The course of work of toaster baking bread is: when user needs baking bread, first the power supply of toaster is plugged, then the control time of baking bread is set on toaster, or select the depth of baking bread color (working control circuit realizes baking bread color at the time controlling baking bread), then bread is put into the bread baking groove of toaster, finally, user will press down the hand handle on toaster, bread is reduced to the bottom of bread baking groove, at this moment, the power supply of toaster could be connected, and starts to toast bread.The course of work of toaster circuit breaking protection mechanism is simply described below: when user press down hand on balladeur train 3 303 time; balladeur train 3 is along vertical shaft 2 slide downward; when balladeur train 3 move down into the compressing tablet 301 that it is fixedly connected with contact with described switch 6 time; switch press strip 601 pushed down by compressing tablet 301 on described balladeur train 3; along with described balladeur train 3 continue move down; switch press strip 601 moves down; switch rocking arm 602 rotates; switch press plate 603 oppresses switch shrapnel 604; described switch shrapnel 604 is closed, as shown in Figure 4.At this moment; described hook 501 oppressed by the flexible briquetting 302 be fixed on described balladeur train 3; described hook 501 is rotated down together with described suction brandreth 502; make the iron core of described suction brandreth 502 on described armature coil 5 close, when described suction brandreth 502 is close to iron core on described armature coil 5, described protection switch 605 oppressed by pressing plate 503 fixing on described suction brandreth 502 makes it close; thus toaster is switched on power; control circuit is energized, and heater element starts heating, as shown in Figure 5.At this moment, control circuit controls armature coil 5 and is energized, iron core on described armature coil 5 produces suction, described suction brandreth 502 is held, user continues to press described hand 303, described balladeur train 3 continues to move down, described flexible briquetting 302 fixing on described balladeur train 3 continues the described hook 501 of compressing, described flexible briquetting 302 is subject to the compressing of the reaction force of oppressed described hook 501 inclined-plane component, when the pressure that the lower inclined plane of the described slide block 3021 on described flexible briquetting 302 is subject to is greater than the elastic force of described spring 3023, described slide block 3021 will retreat toward described slide 3022 direction, namely shrink back to described balladeur train 3 direction, slide past described hook 501 top, arrive the below of described hook 501, at this moment, the distress resolves that the lower inclined plane of described slide block 3021 is subject to, under the effect of described spring 3023 elastic force, described slide block 3021 skids off.If now, pressing hand relaxes away the hand of 303 by user, no longer press down hand 303 time, because the slide block 3021 of described flexible briquetting 302 is in the below of described hook 501, when the hand of user unclamp hand 303 time, described balladeur train 3 loses the power that presses down and under the effect of back-moving spring 4 elastic force, described balladeur train 3 upwards rises, but because the slide block 3021 of described flexible briquetting 302 is blocked by described hook 501, and the bottom of the toaster bread baking groove that the bread on bread bracket fixing on described balladeur train 3 and described balladeur train 3 and bracket is kept, start to toast bread.
If now, under user continues by described hand 303, because described suction brandreth 502 is arranged on outside the travel path of described flexible briquetting 302, the gib head portion of described hook 501 is arranged in the travel path of described flexible briquetting 302, so there is distance with the transverse direction of described suction brandreth 502 in described flexible briquetting 302, described flexible briquetting 302 can not touch described suction brandreth 502, for this reason, user continues to press down hand 303 until described balladeur train 3 moves down into lower position.
When toaster baking bread reaches the baking time of user's setting; control circuit controls armature coil 5 dead electricity; the iron core of armature coil 5 is made to lose suction; at this moment; rotate up under the effect of protection switch 605 spring leaf elastic force after described suction brandreth 502 loses suction and dig, the contact of described protection switch 605 disconnects, and has cut off the complete machine power supply of toaster; heater element on toaster stops heating, as shown in Figure 6.If now, because certain accidental cause makes the described hand on described balladeur train 3 be pressed down 303, at this moment the switch press strip 601 of power switch is held down, and switch press plate 603 oppresses switch shrapnel 604, and described switch shrapnel 604 is still closed.But because the contact of cut-offing protecting switch 605 disconnects, toaster does not still have power supply, and heater element can not generate heat, also can not to be pressed down 303 because of the described hand of described balladeur train 3 and can not to rise and the fire incident that burned the catching fire of bread caused occurs.
Under normal circumstances; when toaster baking bread reaches the baking time of user's setting; control circuit controls armature coil 5 dead electricity; the iron core of armature coil 5 is made to lose suction; at this moment, rotate up under the effect of protection switch 605 spring leaf elastic force after described suction brandreth 502 loses suction and dig, the contact of described protection switch 605 disconnects; cut off the complete machine power supply of toaster, the heater element on toaster stops heating.Described balladeur train 3 upwards rises under the effect of back-moving spring 4 elastic force, when balladeur train 3 moving on to the compressing tablet 301 that it is fixedly connected with and leaving described switch 6 gradually, compressing tablet 301 release-push press strip 601 on described balladeur train 3, continuation along with described balladeur train 3 moves, switch press strip 601 moves up, switch rocking arm 602 upwards rotates, switch press plate 603 release-push shell fragment 604, and described switch shrapnel 604 is disconnected.At this moment, the continuation along with described balladeur train 3 moves, bracket fixing on described balladeur train 3 is upwards risen to upper limit position together with the bread on bracket, therefore finishes whole bread baking process.
As shown in Figure 7, when the briquetting of the present embodiment adopts elastic hook 3026 structure, when user press down hand on balladeur train 3 303 time, balladeur train 3 along vertical shaft 2 slide downward, when balladeur train 3 move down into the compressing tablet 301 that it is fixedly connected with contact with described switch 6 time, switch press strip 601 pushed down by compressing tablet 301 on described balladeur train 3, along with described balladeur train 3 continue move down, switch press strip 601 moves down, and switch rocking arm 602 rotates, switch press plate 603 oppresses switch shrapnel 604, and described switch shrapnel 604 is closed.When user presses down hand on described balladeur train 3 303, make described balladeur train 3 move down into described elastic hook 3026 and oppress described hook 501, described hook 501 is rotated down together with described suction brandreth 502, make the iron core of described suction brandreth 502 on described armature coil 5 close, when described suction brandreth 502 is close to iron core on described armature coil 5, described protection switch 605 oppressed by described pressing plate 503 makes it close, thus toaster is switched on power, control circuit is energized, control circuit controls armature coil 5 and is energized, the iron core on described armature coil 5 is made to produce suction, described suction brandreth 502 is held.Along with described balladeur train 3 continues to move down, described elastic hook 3026 on described balladeur train 3 is by under the compressing of hook 501 inclined-plane component, shrink back to described balladeur train 3 direction, slide past described hook 501 top, be in the below of described hook 501, at this moment the distress resolves resilience of described elastic hook 3026 resets, because described suction brandreth 502 is arranged on outside the travel path of described elastic hook 3026, the hook head portions of hook 501 is arranged in the travel path of described elastic hook 3026, distance is there is in described elastic hook 3026 with the transverse direction of described suction brandreth 502, when described balladeur train 3 continues to move down, described elastic hook 3026 can not touch described suction brandreth 502.When the hand of user unclamp hand 303 time, described balladeur train 3 loses the power that presses down and under the effect of back-moving spring 4 elastic force, described balladeur train 3 upwards rises, but blocked by described hook 501 because described elastic hook 3026 resilience reset is in below described hook 501, and the bottom of the toaster bread baking groove that the bread on bread bracket fixing on described balladeur train 3 and described balladeur train 3 and bracket is kept, start to toast bread.
As shown in Figure 8; because other structures are identical with embodiment one; but the described protection switch 605 of the present embodiment adopts independently construction of switch; described protection switch 6051 is arranged on separately the structure on the base plate of frame 1; described protection switch 6051 is positioned at the below of described pressing plate 503, corresponding with described pressing plate 503 position and be in contact with it.Its operation principle is identical with embodiment one.
As shown in Figure 9, Figure 10, the present embodiment and embodiment one are the non-retractable briquettings 3024 with lower inclined plane unlike the briquetting that described balladeur train 3 is arranged, what described suction brandreth 502 was fixed is flexible hook, what the present embodiment adopted is the structure of flexible hook 505, and other structures are identical with embodiment one.When user press down hand on described balladeur train 3 303 time, described balladeur train 3 is along vertical shaft 2 slide downward, when described balladeur train 3 move down into the compressing tablet 301 that it is fixedly connected with contact with described switch 6 time, switch press strip 601 pushed down by described compressing tablet 301 on described balladeur train 3, along with described balladeur train 3 continue move down, described switch press strip 601 moves down, and switch rocking arm 602 rotates, switch press plate 603 oppresses switch shrapnel 604, and switch shrapnel 604 is closed.At this moment; flexible hook 505 oppressed by the described briquetting 3024 be fixed on described balladeur train 3; described flexible hook 505 is rotated down together with described suction brandreth 502; make the iron core of described suction brandreth 502 on described armature coil 5 close; when described suction brandreth 502 is close to iron core on described armature coil 5, described protection switch 605 oppressed by described pressing plate 503 makes it close, thus toaster is switched on power; control circuit is energized, and heater element starts heating.At this moment, control circuit controls armature coil 5 and is energized, iron core on described armature coil 5 produces suction, described suction brandreth 502 is held, user continues to press described hand 303, described balladeur train 3 continues to move down, described briquetting 3024 fixing on described balladeur train 3 continues the described flexible hook 505 of compressing, described flexible hook 505 is by the compressing of described briquetting 3024 inclined-plane component, when the pressure that the ramp of the described slide block 5051 on described flexible hook 505 is subject to is greater than the elastic force of described spring 5053, described slide block 5051 will retreat toward described slide 5052 direction, namely shrink back to described suction brandreth 502 direction, slide past described flexible hook 505 top, after described briquetting 3024 is in the below of described flexible hook 505, the distress resolves that the ramp of described slide block 5051 is subject to, at this moment, under the effect of described spring 5053 elastic force, described slide block 5051 skids off.If now, pressing hand is relaxed away the hand of 303, no longer press down hand 303 time, because described briquetting 3024 is in the below of described flexible hook 505, when the hand of user unclamp hand 303 time, described balladeur train 3 loses the power that presses down and under the effect of back-moving spring 4 elastic force, described balladeur train 3 upwards rises, but because described briquetting 3024 is blocked by described flexible hook 505, and the bottom of the toaster bread baking groove that the bread on bread bracket fixing on described balladeur train 3 and described balladeur train 3 and bracket is kept, start to toast bread.
If now, under user continues by described hand 303, because described suction brandreth 502 is arranged on outside the travel path of described briquetting 3024, the hook head portions of described flexible hook 505 is arranged in the travel path of described briquetting 3024, distance is there is in described briquetting 3024 with the transverse direction of described suction brandreth 502, described briquetting 3024 can not touch described suction brandreth 502, and for this reason, user continues to press down hand 303 until described balladeur train 3 moves down into lower position.
When toaster baking bread reaches the baking time of user's setting; control circuit controls armature coil 5 dead electricity; the iron core of armature coil 5 is made to lose suction; at this moment; rotate up under the effect of protection switch 605 spring leaf elastic force after described suction brandreth 502 loses suction and dig; the contact of described protection switch 605 disconnects, and has cut off the complete machine power supply of toaster, and the heater element on toaster stops heating.If now, because the described hand on described balladeur train 3 is pressed down 303 by certain accidental cause, at this moment the switch press strip 601 of power switch is held down, and switch press plate 603 oppresses switch shrapnel 604, and described switch shrapnel 604 is still closed.But because the contact of cut-offing protecting switch 605 disconnects, toaster does not still have power supply, and heater element can not generate heat, also can not to be pressed down 303 because of the described hand of described balladeur train 3 and can not to rise and the fire incident that burned the catching fire of bread caused occurs.
Other courses of work are identical with embodiment one.
As shown in Figure 10, the flexible hook of the present embodiment can also adopt this structure of elastic hook 506, the hand pressed down on balladeur train 3 as user makes balladeur train 3 move down into described briquetting 3024 303 and oppresses described elastic hook 506, described elastic hook 506 is rotated down together with described suction brandreth 502, make the iron core of described suction brandreth 502 on described armature coil 5 close, when described suction brandreth 502 is close to iron core on described armature coil 5, described protection switch 605 oppressed by described pressing plate 503 makes it close, thus toaster is switched on power, control circuit is energized, toaster heater element starts heating, start to toast bread.Now, control circuit controls armature coil 5 and is energized, the iron core on armature coil 5 is made to produce suction, hold described suction brandreth 502, along with described balladeur train 3 continues to move down, described elastic hook 506 by described briquetting 3024 lower inclined plane component compressing under, shrink back to described suction brandreth 502 direction, described briquetting 3024 slides past described elastic hook 506 top, be in the below of elastic hook 506, and because distress resolves resilience on described elastic hook 506, the resilience of described elastic hook 506, if now user continues to press down described hand 303, because described suction brandreth 502 is arranged on outside the travel path of described briquetting 3024, the hook head portions of described elastic hook 506 is arranged in the travel path of described briquetting 3024, then there is distance with the transverse direction of described suction brandreth 502 in described briquetting 3024, when described balladeur train 3 continues to move down, described briquetting 3024 can not touch described suction brandreth 502.For this reason, user continues to press down hand 303 until described balladeur train 3 moves down into lower position.
When toaster baking bread reaches the baking time of user's setting; control circuit controls armature coil 5 dead electricity; the iron core of armature coil 5 is made to lose suction; at this moment; rotate up under the effect of protection switch 605 spring leaf elastic force after described suction brandreth 502 loses suction and dig; the contact of described protection switch 605 disconnects, and has cut off the complete machine power supply of toaster, and the heater element on toaster stops heating.If now, because the described hand on balladeur train 3 described in certain accidental cause is pressed down 303, at this moment the switch press strip 601 of power switch is held down, and switch press plate 603 oppresses switch shrapnel 604, and described switch shrapnel 604 is still closed.But because the contact of cut-offing protecting switch 605 disconnects; toaster does not still switch on power; heater element can not generate heat, and also can not to be pressed down 303 because of the described hand of described balladeur train 3 and can not to rise and the fire incident that burned the catching fire of bread caused occurs.
Claims (6)
1. a toaster circuit breaking protection mechanism; comprise and establish frame in the enclosure (1), balladeur train moving up and down (3), control circuit; balladeur train (3) is arranged in frame (1); the base of described frame (1) is provided with armature coil (5) and switch (6); described armature coil (5) is provided with inhales brandreth (502), it is characterized in that:
Described balladeur train (3) front end face is provided with briquetting, described suction brandreth (502) is provided with hook (501) and pressing plate (503), described suction brandreth (502) is arranged on outside the travel path of briquetting, the hook head portions of hook (501) is arranged in the travel path of briquetting, is Elastic Contact between briquetting and hook (501), protection switch (605) is set, described pressing plate (503) is positioned at described protection switch (605) top, described protection switch (605) is arranged in the travel path of pressing plate (503), when balladeur train (3) moves down, the described hook (501) on described suction brandreth (502) oppressed by described briquetting, make the iron core of suction brandreth (502) on described armature coil (5) close, when described suction brandreth (502) is close to iron core on described armature coil (5), described protection switch (605) oppressed by described pressing plate (503) makes it close, described briquetting is shunk back by described hook (501) top, be in described hook (501) below,
Described hook (501) is inhale the upper fixing flexible hook (505) of brandreth (502), the inclined-plane of briquetting is corresponding with the flexible inclined-plane linking up with (505), briquetting with flexible link up with (505) contact time, stretch and link up with (505) elastic yield and reset; Or
Described hook is elastic hook (506), and the inclined-plane of described briquetting is corresponding with the inclined-plane of described elastic hook (506), when briquetting contacts with elastic hook (506), and elastic hook (506) elastic yield and reset.
2. toaster circuit breaking protection mechanism according to claim 1; it is characterized in that: described briquetting is flexible briquetting (302); hook (501) is fixed on to be inhaled on brandreth (502); the inclined-plane of described flexible briquetting (302) is corresponding with the inclined-plane of described hook (501); when flexible briquetting (302) contacts with hook (501), flexible briquetting (302) elastic telescopic.
3. toaster circuit breaking protection mechanism according to claim 2, it is characterized in that: described flexible briquetting (302) comprises slide (3022), has the slide block (3021) of lower inclined plane and spring (3023), described slide (3022) is one end open, and the other end has the cylinder in hole; One end of described slide block (3021) is provided with lower inclined plane, and the other end is provided with anticreep boss; Described slide block (3021) is positioned at described slide (3022), and slide block (3021) is provided with one end of lower inclined plane through the hole on described slide (3022), and the other end contacts with spring (3023).
4. toaster circuit breaking protection mechanism according to claim 1; it is characterized in that: described briquetting is elastic hook (3026); hook (501) is fixed on to be inhaled on brandreth (502); the inclined-plane of described elastic hook (3026) hook portion is corresponding with the inclined-plane of described hook (501); when elastic hook (3026) contacts with hook (501), elastic hook (3026) elastic yield and reset.
5. toaster circuit breaking protection mechanism according to claim 1, is characterized in that: described protection switch (605) is disposed side by side on the switch base of switch (6), crosses out end and is positioned at described pressing plate (503) below.
6. the toaster circuit breaking protection mechanism according to any one of claim 1 or 5, is characterized in that: described pressing plate (503) is that described suction brandreth (502) side extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339203.9A CN103393361B (en) | 2013-08-06 | 2013-08-06 | Power-off protection mechanism for toaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339203.9A CN103393361B (en) | 2013-08-06 | 2013-08-06 | Power-off protection mechanism for toaster |
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| Publication Number | Publication Date |
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| CN103393361A CN103393361A (en) | 2013-11-20 |
| CN103393361B true CN103393361B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310339203.9A Active CN103393361B (en) | 2013-08-06 | 2013-08-06 | Power-off protection mechanism for toaster |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108042009A (en) * | 2017-12-19 | 2018-05-18 | 广东德新科技孵化器有限公司 | A kind of elastic press type toaster |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2626392Y (en) * | 2003-05-28 | 2004-07-21 | 晶辉电器（深圳）有限公司 | Toaster circuit breaking protection mechanism |
| CN202269914U (en) * | 2011-09-26 | 2012-06-13 | 毛崇会 | Power-off protector for toaster |
| CN202870512U (en) * | 2012-11-02 | 2013-04-10 | 宁波永佳电子科技有限公司 | Toaster power-off control assembly |
| CN203468397U (en) * | 2013-08-06 | 2014-03-12 | 深圳市北鼎晶辉科技股份有限公司 | Toaster power-off protection mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100122977A1 (en) * | 2008-11-14 | 2010-05-20 | Ue-Ming Yang | Combined taoster and utensil knife heater |
-
2013
- 2013-08-06 CN CN201310339203.9A patent/CN103393361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2626392Y (en) * | 2003-05-28 | 2004-07-21 | 晶辉电器（深圳）有限公司 | Toaster circuit breaking protection mechanism |
| CN202269914U (en) * | 2011-09-26 | 2012-06-13 | 毛崇会 | Power-off protector for toaster |
| CN202870512U (en) * | 2012-11-02 | 2013-04-10 | 宁波永佳电子科技有限公司 | Toaster power-off control assembly |
| CN203468397U (en) * | 2013-08-06 | 2014-03-12 | 深圳市北鼎晶辉科技股份有限公司 | Toaster power-off protection mechanism |
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| CN103393361A (en) | 2013-11-20 |
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Effective date of registration: 20220511 Address after: 518104 floor 1, building 7, Industrial Zone D, Buyong community, Shajing street, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen Beiding Jinghui Technology Co.,Ltd. Address before: 518055 floor 4, building 9, Tanglang Tongfu industrial city, Xili Town, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CRASTAL TECHNOLOGY Co.,Ltd. |