The utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art, a kind of structural design of not setting up sensor or microswitch is provided, make the user not close lid when putting in place, electric pressure cooking saucepan can not heat, work, and guarantees put in place the electric pressure cooking saucepan with the time switch interlocking of lid that closes safe in utilization.
The purpose of this utility model can reach by following measure:
This closing covered the electric pressure cooking saucepan that puts in place with the time switch interlocking, comprise: pot cover, be arranged on the pot cover plastic cement limit of pot cover bottom margin, the pot body, the middle ring that is located at the shell upper end that constitute by interior pot and outer pot and shell, be located at described in the spilling water groove, the electronic timer that is located on the shell shell wall and is connected on ring top with control circuit board, its special character is, it is the safety groove on the bent limit under oblique on one side for the straight flange another side that edge, described pot cover plastic cement limit is provided with one Open Side Down its vertical section; On the shell directly over described electronic timer the position be provided with described safety groove and described electronic timer mating reaction and close put in place spring link mechanism with the time switch interlocking of lid with the control electric pressure cooking saucepan.
The purpose of this utility model can also reach by following measure:
Described spring link mechanism comprises connecting rod, first spring, be fixedly arranged on the shell and perpendicular to described spilling water groove and with the cylindrical shape fairlead of this spilling water groove conducting, described connecting rod is enclosed within this fairlead and can slides up and down along this fairlead inwall; Described first spring is fixed on described middle ring bottom, this first spring body is placed in the connecting rod lower end, the connecting rod middle part is provided with step, first spring upper end withstands on the described step and imposes the elastic force that connecting rod makes progress, fasten in the rotary course at pot cover and outer pot pot tooth, under the first spring force effect, safety groove is slipped in the bent limit under oblique along safety groove in the small end end, and the vertical edges place that slides to safety groove is positioned.
Described electronic timer comprises the knob cam, the knob cam is connected with external knob, the knob cam is provided with cam path, cam path vertical section the right is vertical straight flange, the left side is bent limit obliquely, when described external knob was screwed into open position, end, connecting rod lower end was over against cam path, whether put control handle cam rotation control timer switch on and off in place thereby fasten by pot cover and outer pot pot tooth.
Described electronic timer is stirred the electronic timer of contact for the band interlock switch, end, described connecting rod lower end is over against the contact position of stirring of this electronic timer, fasten in the rotary course at pot cover and outer pot pot tooth, connecting rod is subjected to pot cover plastic cement limit suppressing action power to lower slider, depress the contact of stirring of this electronic timer, disconnect the power-on circuit of timer, until closing lid when putting in place, connecting rod upwards slips in the pot cover safety groove under the first spring force effect, electronic timer is stirred the contact pop into position, and electronic timer circuit is connected.
The utility model has following advantage compared to existing technology: by the effect of being connected of spring link mechanism and pot cover safety groove and electronic timer, closed lid the user, but close lid when not in place, make timer circuit can not constitute a complete loop, thereby timer and electric pressure cooking saucepan are not worked, guaranteed reliability and security that product uses.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this the closing that the utility model provides covered the electric pressure cooking saucepan that puts in place with the time switch interlocking, comprise: pot cover 10, be arranged on the pot cover plastic cement limit 1 of pot cover 10 bottom margins, the pot body, the middle ring 14 that is located at shell 13 upper ends that constitute by interior pot 11 and outer pot 12 and shell 13, be located in ring 14 tops spilling water groove 7, be located at the electronic timer 8 that is connected on shell 13 shell walls and with control circuit board, 1 edge, pot cover plastic cement limit be provided with one Open Side Down its vertical section on one side vertically another side be the safety groove 2 on the bent limit under oblique; On 12 pots of walls of outer pot directly over electronic timer 8 position be provided with safety groove 2 and 8 mating reactions of electronic timer and close put in place spring link mechanism with the time switch interlocking of lid with the control electric pressure cooking saucepan.
Described spring link mechanism comprises connecting rod 3, first spring 5, be fixedly arranged on the shell 13 and perpendicular to spilling water groove 7 and with the cylindrical shape fairlead 4 of these spilling water groove 7 conductings, connecting rod 3 is enclosed within this fairlead 4 and can slides up and down along these fairlead 4 inwalls; Ring 14 bottoms during first spring 5 is fixed on, these first spring, 5 bodies are placed in connecting rod 3 lower ends, connecting rod 3 middle parts are provided with step, first spring, 5 upper ends withstand on this step and impose the elastic force that connecting rod 3 makes progress, fasten in the rotary course at 12 pots of teeth of pot cover 10 and outer pot, under the 5 elastic force effects of first spring, safety groove 2 is slipped in the bent limit under oblique along safety groove 2 in end, connecting rod 3 upper end, and the vertical edges place that slides to safety groove 2 is positioned.
Embodiment one, as shown in Figure 1 and Figure 2, electronic timer 8 comprises knob cam 6, knob cam 6 is connected with external knob, knob cam 6 is provided with cam path, cam path vertical section the right is vertical straight flange, the left side is bent limit obliquely, when electronic timer 8 external knobs are screwed into open position, end, connecting rod 3 lower end is over against cam path, thereby fasten by 12 pots of teeth of pot cover 10 and outer pot and whether to put control handle cam rotation control timer switch on and off in place, close lid and put in place and time switch interlocking purpose thereby reach electric pressure cooking saucepan.
Embodiment two, as shown in Figure 3, electronic timer 8 is stirred the electronic timer of contact 9 for the band interlock switch, 9 positions, contact are stirred over against this electronic timer 8 in end, connecting rod 3 lower end, fasten in the rotary course at 12 pots of teeth of pot cover 10 and outer pot, connecting rod 3 is subjected to pot cover plastic cement limit 1 suppressing action power to lower slider, what the connecting rod 3 that glides was depressed this electronic timer 8 stirs contact 9, disconnect the power-on circuit of electronic timer 8, until closing lid when putting in place, connecting rod 3 upwards slips in pot cover 10 safety grooves 2 under the 5 elastic force effects of first spring, electronic timer 8 is stirred contact 9 pop into position, and electronic timer 8 circuit are connected.
As Fig. 3, shown in Figure 4, this electronic timer 8 of present embodiment specifically comprises timer shell 210, be arranged on the knob cam 209 in this timer shell 210, timer shell 210 upper ends are provided with first electrode 201, second electrode 202 and third electrode 203, be connected with regularly motor between second electrode 202 and the third electrode 203, first electrode 201 and second electrode 202 and third electrode 203 lower ends are all stretched in the timer shell 210, knob cam 209 is connected with external knob, second electrode 202 is the output electrode that is connected with external circuit, first electrode 201 is an input electrode, its lower end and a L type the one the first shell fragment 206 1 ends are connected, first shell fragment, 206 other ends are free end, this free end is positioned on the knob cam 209, the free end end is provided with contact 208, the contact 204 of this contact 208 and second electrode, 202 lower ends is oppositely arranged, the free end middle part is provided with the position limiting slide block 207 of a band projection, knob cam 209 is provided with spacing draw-in groove, the position limiting slide block projection is connected or breaks away from buckle with spacing draw-in groove buckle and connects to control the disconnection and the connection of first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204 in knob cam 209 rotary courses, also be provided with a switch toggle mechanism that is used to control these electronic timer 8 power on/off on this electronic timer 8.
Described switch toggle mechanism is by the switch shifting block 211 that is arranged on the timer shell 210, one end is connected the other end with switch shifting block 211 be that free-ended insulation spacer 205 is formed, insulation spacer 205 free ends stretch in the timer shell 210 and on the horizontal plane between first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204, when masterpiece was used for switch shifting block 211 outside, these insulation spacer 205 free ends were in the conversion of the position outside between first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204 and first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204 under switch shifting block 211 drives.
Stir switch shifting block 211 positions in the 9 corresponding above-mentioned switch toggle mechanisms of contact among present embodiment Fig. 3, end, connecting rod 3 lower end is over against these switch shifting block 211 positions, fasten in the rotary course at 12 pots of teeth of pot cover 10 and outer pot, the connecting rod 3 stressed switch shifting blocks 211 that act on, drive insulation spacers 205 actions by switch shifting block 211 again and control the break-make of first electrode 201 and second electrode 202, control whether operate as normal of electronic timer 8 thereby reach.
When electronic timer 8 is in original state in the present embodiment, insulation spacer 205 free ends break away between first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204, when masterpiece is used for switch shifting block 211 outside, these insulation spacer 205 free ends move insulation spacer 205 are isolated between first shell fragment, 206 contacts 208 and second electrode, 202 contacts 204 under switch shifting block 211 drives, and block conducting of first electrode 201 and second electrode 202.
When closing lid and not putting in place, 1 safety groove, 2 bent limits slide in the safety groove end, connecting rod 3 upper end along pot cover plastic cement limit, connecting rod 3 is subjected to suppressing action power and to lower slider in this process, the connecting rod 3 that glides imposes and stirs the downward active force in contact 9 among Fig. 3, be equivalent to switch shifting block 211 among Fig. 4 is imposed inside active force, switch shifting block 211 drives insulation spacers 205 actions, and insulation spacer 205 is isolated between the contact 208 of the contact 204 of second electrode 202 and first shell fragment 206.During knob on this moment rotary electric timer 8, contact 204 on second electrode 202 can not contact with contact 208 on first shell fragment 206, thereby first electrode 201 and second electrode 202 can not be connected, disconnect the power-on circuit of electronic timer 8, the timer cisco unity malfunction.
When closing lid when putting in place, connecting rod 3 upwards slips in pot cover 10 safety grooves 2 under the 5 elastic force effects of first spring, safety groove 2 straight flange places are slipped in its end, upper end, thereby connecting rod 3 is regained active force to switch shifting block 211 and is made switch shifting block 211 homings (be electronic timer 8 stir contact 9 pop into position), insulation spacer 205 is broken away between the contact 208 of the contact 204 of second electrode 202 and first shell fragment 206, at this moment, the external knob of rotary electric timer 8, electronic timer 8 circuit are connected, can operate as normal.
Embodiment three, as Fig. 3, shown in Figure 5, the difference of present embodiment and embodiment two is, contact 304 on second electrode 302 is arranged on the free end that second shell fragment 313 that is connected with its lower end stretches out to the right, and these second shell fragment, 313 free end ends upwards bend out an inclined-plane or cambered surface.Timer shell 310 outwards is convexly equipped with a protruding tube 312 in second electrode, 302 1 side sidewall upper; Switch toggle mechanism in the present embodiment is made of T type first depression bar 305 of horizontal sleeve in described protruding tube 312 axis holes, second spring 311 that is set on first depression bar 305; First depression bar, 305 big first ends are positioned at outside timer shell 310 sidewalls, second spring 311 is between first depression bar, 305 big first ends and timer shell 310 sidewalls, and second spring 311 is set in protruding tube 312 external peripheral surfaces near timer shell 310 sidewall end; First depression bar, 305 other ends stretch in the timer shell 310, this other end end is provided with and the relative cammed surface step of second shell fragment, 313 free end end chamfer, masterpiece is used under first depression bar, 305 big first ends and the 311 elastic force effects of second spring outside, first depression bar 305 can slidably reciprocate in the protruding tube of timer shell 310 sidewalls 312, its cammed surface drive second shell fragment, 313 free ends move up and down with the contact of controlling first shell fragment, 306 contacts 308 and second shell fragment, 313 contacts 304 with separate.
Electronic timer 8 in the present embodiment is stirred contact 9 and is above-mentioned first depression bar, 305 big first ends, end, connecting rod 3 lower end is over against first depression bar, 305 big first ends, second shell fragment 313 is in the original level position during electronic timer 8 original states, fasten in the rotary course at 12 pots of teeth of pot cover 10 and outer pot, connecting rod 3 stressed first depression bar, the 305 big first ends that act on, drive second shell fragment 313 by first depression bar 305 again and move upward and block being electrically connected of first electrode 201 and second electrode 202, control whether operate as normal of electronic timer 8 thereby reach.
When closing lid and not putting in place, 1 safety groove, 2 bent limits slide in the safety groove 2 end, connecting rod 3 upper end along pot cover plastic cement limit, connecting rod 3 is subjected to suppressing action power and to lower slider in this process, the connecting rod 3 that glides imposes and stirs the downward active force in contact 9 among Fig. 3, as shown in Figure 5, promptly act on active force in timer shell 310 of first depression bar, 305 big first ends, first depression bar 305 slides in timer shell 310 along the protruding tube 312 of timer shell 310 sidewalls, the cammed surface step of first depression bar, 305 other end ends upwards ejects second shell fragment, 313 free end ends, at this moment, if the knob of rotary electric timer 8, knob cam 309 begins to rotate, the projection of first shell fragment, 306 upper limit slide blocks 307 breaks away from the spacing draw-in groove of knob cam 309, knob cam 309 outwards ejects the position limiting slide block 307 on first shell fragment 306, first shell fragment 306 is moved upward, because being driven by first depression bar 305, second shell fragment 313 breaks away from initial position, contact 308 on the shell fragment 306 of winning can't be contacted with contact 304 on second shell fragment 313, therefore, this moment, first electrode 301 and second electrode 302 can't be connected electronic timer 8 cisco unity malfunctions.
When closing lid when putting in place, connecting rod 3 upwards slips in pot cover 10 safety grooves 2 under the 5 elastic force effects of first spring, safety groove 2 straight flange places are slipped in end, connecting rod 3 upper end, thereby connecting rod 3 is regained active force to first depression bar 305 and is made first depression bar, 305 homings (be electronic timer 8 stir contact 9 pop into position), under the elastic force effect of second spring 311, first depression bar 305 slides outside timer shell 310 sidewalls, second shell fragment, 313 free ends move down under the drive of first depression bar 305 and are returned to initial position, make the contact 304 on second shell fragment 313 contact with the contact 308 of first shell fragment 306, first electrode 301 and 302 conductings of second electrode, electronic timer 8 operate as normal.Other is identical with embodiment two.
Embodiment four, as Fig. 3, shown in Figure 6, the difference of present embodiment and embodiment two is, the electronic timer 8 of present embodiment also is provided with the 4th electrode 412, second electrode 402, third electrode 403 are output electrode, first electrode 401, the 4th electrode 404 are input electrode, and the switch toggle mechanism in the present embodiment is arranged on and is positioned at third electrode 403 1 sides on the electronic timer 8; Third electrode 403 lower ends are provided with vertical contact 415; This switch toggle mechanism comprises: the 4th electrode 412, button 411, second depression bar 413, arc spring lamination 414, the four electrodes 412 are horizontally installed on timer shell 410 sidewalls, 405 lower ends and are connected with external circuit; Button 411 is arranged on timer shell 410 sidewalls 405 and is positioned at the 4th electrode 412 belows or top, and button 411 can slidably reciprocate on timer shell 410 sidewalls 405 under external force; Second depression bar 413 vertically is arranged in the timer shell 410, and one end and button 411 touch, and its other end end is provided with contact 416, and this contact 416 is oppositely arranged and touches mutually with 403 times terminal contacts 415 of third electrode; Arc spring lamination 414 is connected between second depression bar, 413 other ends and the 4th electrode 412, when masterpiece is used for making on the button 411 button 411 to slidably reciprocate outside, second depression bar 413 is that fulcrum is swung in vertical direction with the tie point of these second depression bar, 413 other ends and arc spring lamination 414, with contacting and disconnection of control and second depression bar, 413 contacts 416 that are connected in series of the 4th electrode 412 and third electrode 403 contacts, 415 kick modes.
Electronic timer 8 in the present embodiment is stirred contact 9 and is above-mentioned button 411, fasten in the rotary course at 12 pots of teeth of pot cover 10 and outer pot, it acts on button 411 again connecting rod 3 stressed backs, control button 411 slidably reciprocates on timer shell 410 sidewalls, making second depression bar 413 is that fulcrum rotates in vertical direction with the tie point of these second depression bar, 413 other ends and arc spring lamination 414, second depression bar, 413 contacts 416 that control is connected in series with the 4th electrode 412 contact and disconnection with third electrode 403 contacts 415, thereby control the break-make of electronic timer 8 entire circuit, reach the whether purpose of operate as normal of the electronic timer of control 8.
When closing lid and not putting in place, 1 safety groove, 2 bent limits slide in the safety groove 2 end, connecting rod 3 upper end along pot cover plastic cement limit, connecting rod 3 is subjected to suppressing action power and to lower slider in this process, the connecting rod 3 that glides imposes and stirs the downward active force button 411 in contact 9 among Fig. 3, promptly be to impose 411 1 outside external force of vertical timer shell 410 sidewalls of button, as shown in Figure 5, in button 411 outside processes of sliding, second depression bar 413 is under the elastic force effect of arc spring lamination 414, second depression bar 413 is that fulcrum is swung in vertical direction with itself and arc spring lamination 414 tie points, and second depression bar, 413 contacts 416 that are connected in series with the 4th electrode 412 are separated with third electrode 403 contacts 415, thereby make electronic timer 8 whole loops disconnect electronic timer 8 cisco unity malfunctions.Output does not have supply voltage output.
When closing lid when putting in place, connecting rod 3 upwards slips in pot cover 10 safety grooves 2 under the 5 elastic force effects of first spring, safety groove 2 straight flange places are slipped in connecting rod 3 its ends, upper end, thereby connecting rod 3 is regained active force to button 411 and is made button 411 homings (be electronic timer 8 stir contact 9 pop into position), under the effect of arc spring lamination 414 elastic force, second depression bar, 413 contacts 416 and third electrode 403 contacts 415 that are connected in series with the 4th electrode 412 touch, thereby make electronic timer 8 whole loops connect, electronic timer 8 can operate as normal.Other is identical with embodiment two.
In sum, 8 of electronic timers had following two states before the user closed lid action, and 1, original closed position; 2, timing run location.Describe respectively below under this two states, electric pressure cooking saucepan close lid when not in place the utility model be how to stop the electric pressure cooking saucepan heating.
1, electronic timer 8 was in original closed position before the user closed the lid action
When pot cover 10 is put into the He Gai position and closed lid when not putting in place, because connecting rod 3 is pushed down at pot cover 10 edges downwards, electronic timer 8 or because the knob cam 6 on the electronic timer 8 is pinned by connecting rod 3 and can't start (rotation), referring to embodiment one and Fig. 1; Be to have forwarded certain enable position to, but interlock switch is stirred the stirring contact 9 of electronic timer 8 of contact 9 and can not be connected power supply because connecting rod 3 has been pushed down band, referring to embodiment two to embodiment four and Fig. 3.Otherwise, close the lid put in place after, pot cover 10 connecting rods 3 safety grooves 2 rotate to connecting rod 3 directly over, connecting rod 3 is because the effect of first spring 5, upwards slide and rise in pot cover 10 connecting rods 3 safety grooves 2, make electronic timer 8 knob cams 6 not be subjected to any obstruction,, can be started by normal rotation for this common electric timer; Stir the electronic timer 8 of contact 9 for the band interlock switch, because not pressurized of contact 9 is stirred in the rise of connecting rod 3, electronic timer 8 can normally start heating.
2, electronic timer 8 was at the timing run location before the user closed the lid action
When pot cover 10 is put into the He Gai position, if adopt the electronic timer 8 described in the embodiment one, then because this electronic timer 8 knob cams 6 withstand connecting rod 3, pot cover 10 can't fall position, snap close, electric pressure cooking saucepan can not be gone up pressure, referring to shown in Figure 1.Stir the electronic timer 8 of contact 9 if adopt embodiment two to embodiment four described band interlock switch, pot cover 10 position that can fall, but owing to do not put in place under the condition closing lid, what pot cover 10 edges pressed down connecting rod 3 and electronic timer 8 stirs contact 9, make electronic timer 8 can not connect power supply, referring to shown in Figure 3.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.