CN202537141U - Screwing cover in-place protecting device and electric pressure cooker - Google Patents
Screwing cover in-place protecting device and electric pressure cooker Download PDFInfo
- Publication number
- CN202537141U CN202537141U CN2012201275239U CN201220127523U CN202537141U CN 202537141 U CN202537141 U CN 202537141U CN 2012201275239 U CN2012201275239 U CN 2012201275239U CN 201220127523 U CN201220127523 U CN 201220127523U CN 202537141 U CN202537141 U CN 202537141U
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- switch
- jacket
- place
- spiral cover
- puts
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Abstract
The utility model discloses a screwing cover in-place protecting device and an electric pressure cooker. The screwing cover in-place protecting device is used for an electric appliance with a screwing cover and a cooker and comprises a bump, a shell cover and a microswitch, wherein the bump is fixed on the screwing cover; the shell cover is fixed on the peripheral edge of the cooker; the microswitch is mounted in the shell cover and is connected onto a control circuit of the electric appliance; a switch touch key is further movably mounted in the shell cover; when the screwing cover is positioned at a first position, the bump squeezes the switch touch key, and the switch touch key triggers the microswitch to act; and when the screwing cover is positioned at a second position, the bump and the switch touch key are separated from each other. In an embodiment of the utility model, the switch touch key is mounted on the peripheral edge of the cooker, the bump mounted on the screwing cover triggers the switch touch key, accordingly, when the screwing cover rotates in place, the bump mounted on the screwing cover can accurately trigger the switch touch key, and the screwing cover is ensured to rotate in place.
Description
Technical field
The utility model relates to the kitchen appliance technical field, is specifically related to a kind of spiral cover put in place protective device and electric pressure cooking saucepan.
Background technology
At present, it is more the security incident that the electric pressure cooking saucepan pot cover flies out on market, to occur, and heating does not cause with regard to energized because the user in use is incorporated into the position with a pot cover and a pot body turn buckle and above-mentioned situation mostly is; Because pot cover does not fasten with the pot body fully; Along with continuing of electric pressure cooking saucepan heating, pot courage internal pressure slowly rises, when internal pressure reaches a certain limit value; The pot cover that does not fasten is fully just forced to separate by the high pressure of inside with the pot body, causes pot cover to fly out.
In order to address the above problem; Present technical scheme is whether the pot at electric pressure cooking saucepan is provided with on the body and lays magnet on tongue tube, the pot cover and detect pot cover and fasten to put in place with a pot body and realize; Because the reliability of tongue tube is relatively poor, and magnet can weaken along with the lengthening magnetic of service time.Adopt the reliability of tongue tube scheme just to can not get ensureing.
At publication number is in the Chinese patent of CN201987289U; A kind of electric pressure cooking saucepan that closes lid protective device not in place that has is disclosed; What but it solved is that pot cover closes lid problem not in place with the hinged electric pressure cooking saucepan of pot body; But electric equipment institute tools such as present electric pressure cooking saucepan or fiberizer have plenty of spiral cover and pot body, and this spiral cover all is to be stuck on pot body after the rotation, can bear bigger pressure to guarantee spiral cover and pot body.Therefore; It is different being fixed on the structure that is hingedly fixed on pot body with lid on pot body after the rotation of this spiral cover, and whether a lid and the hinged electric pressure cooking saucepan of pot body only need in the vertical direction to install a switch additional and experience lid and engage closely with a pot body and get final product; Be that publication number is the technical scheme among the CN201987289U; But, being fixed on pot body after the spiral cover rotation, its spiral cover puts in place and on pot body circumferencial direction, accomplishes; Therefore, the above-mentioned switch of installing is in vertical direction experienced lid and whether closely to be engaged with a pot body that scheme can't realize.
The utility model content
The utility model provides a kind of spiral cover protective device that puts in place, can solve and close the not in place and problem of maloperation of lid in the electrical equipment of cap-rotating type.
The utility model provides a kind of spiral cover protective device that puts in place; Comprise: be fixed in projection on the spiral cover, be fixed in the jacket of the external periphery of pot and be installed in the switch in the jacket; Switch is connected on the control circuit of electrical equipment, also is movably installed with the switch touching in the jacket, and switch touching one end has the push rod cup corresponding with projection; The other end of switch touching has and switch corresponding switch briquetting, between switch briquetting and the jacket outer wall inboard elastic reset spare is installed.
As a kind of improved procedure; Said elastic reset spare is a back-moving spring; The switch briquetting offers spring groove in the radial direction along the pot body, and back-moving spring is between spring groove diapire and jacket outer wall inboard, and push rod cup protrudes the jacket inwall; Said switch has the switch plectrum, and the switch plectrum contacts on back-moving spring elasticity direction with the switch briquetting.
As another kind of improved procedure, said elastic reset spare is the jump ring that resets, and the switch touching is passed through a pivotal mounting on jacket; Said pivot is between switch briquetting and push rod cup, and the jump ring that resets is set on the pivot, and a free end of the jump ring that resets is connected on the switch briquetting; Another free end of jump ring of resetting is connected on the jacket; Push rod cup extends jacket along pot body radial direction, and switch has the switch plectrum, and the switch briquetting contacts with the switch plectrum.
The utility model also provides a kind of electric pressure cooking saucepan, has comprised the above-mentioned spiral cover protective device that puts in place.
Technique scheme can be found out; Because the utility model embodiment is employed in the outer peripheral edges of pot body the switch touching is installed; And by being installed in projection on the spiral cover touching triggers to switch; Therefore when the spiral cover rotation put in place, the projection that is installed on the spiral cover can be realized switch triggering accurately, guarantees that spiral cover puts in place.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is put in place the blast structure chart of protective device of spiral cover among the utility model embodiment 1;
Fig. 2 is put in place the top plan view of protective device of spiral cover spiral cover when primary importance among the utility model embodiment 1;
Fig. 3 is put in place the top plan view of protective device of spiral cover spiral cover when the second place among the utility model embodiment 1;
Fig. 4 is put in place the side cutaway view of protective device of spiral cover spiral cover when primary importance among the utility model embodiment 1;
Fig. 5 is the three-dimensional structure diagram of microswitch among the utility model embodiment 1;
Fig. 6 is the three-dimensional structure diagram of switch touching among the utility model embodiment 1;
Fig. 7 is the plan structure figure of the utility model embodiment 1 center platen;
Fig. 8 is the assembling sketch map of the utility model embodiment 1 center platen and microswitch, switch touching;
Fig. 9 is the package assembly sketch map of switch touching and microswitch among the utility model embodiment 2.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
The utility model embodiment provides a kind of spiral cover protective device that puts in place, is used to have the electrical equipment of spiral cover and pot body, in conjunction with Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Comprise the projection 11 that is fixed on the spiral cover 1, be fixed in the jacket 4 of pot body 2 outer peripheral edges and be installed in the switch 41 in the jacket 4 that switch 41 is connected on the control circuit of electrical equipment (not shown control circuit); Also be movably installed with switch touching 3 in the jacket, spiral cover 1 covers on pot body 2, and spiral cover 1 is when primary importance; As shown in Figure 2; Projection 11 extruding switch touchings 3,41 actions of switch touching 3 touch switch, this moment spiral cover 1 spiral cover put in place; Spiral cover 1 is when the second place, and is as shown in Figure 3, and projection 11 separates with switch touching 3, this moment spiral cover 1 not spiral cover put in place.Among the utility model embodiment in order to reduce the operation of projection 11 and the aggregate erection of spiral cover 1; Projection 11 is made with spiral cover is one-body molded; Certainly; Projection also can be made in advance, is installed on the spiral cover through modes such as screw locking or interference fit then, should not constitute the restriction to the utility model protection domain for the mounting means of projection on spiral cover.Also can adopt the mode of integrated mode or employing partial installation equally for the jacket 4 and the mounting means of pot body 2; And the roof of jacket 4 is one-body molded with pot body 2 in the utility model embodiment, and the bottom of jacket 4 then is fixed on the jacket roof through screw as back shroud.
In conjunction with shown in Figure 6; Switch touching 3 one ends among the utility model embodiment have the push rod cup 302 corresponding with projection 11; The other end of switch touching 3 has and switch corresponding switch briquetting 301, between the outer wall inboard of switch briquetting 301 and jacket 4 elastic reset spare is installed, and the elastic reset spare among the utility model embodiment is a back-moving spring 304; For back-moving spring 304 is fixed; Switch briquetting 301 offers spring groove 303 in the radial direction along the pot body, and back-moving spring 304 is between spring groove 303 diapires and jacket 4 outer wall inboards, and push rod cup 302 is positioned at the bottom of spring groove 303; And protrude from the inwall of jacket 4; The side protrusion that to be push rod cup 302 contact in jacket 4 and pot body 2 outer peripheral edges, the pot heart direction of the head points pot body 2 of push rod cup 302 in other words, the structure that push rod cup 302 and switch briquetting 301 are formed in one among the utility model embodiment.The switch plectrum 411 of microswitch 41 contacts on back-moving spring 304 elasticity directions with switch briquetting 301.It is understandable that the length of back-moving spring 304 is greater than the degree of depth of spring groove 303.Because push rod cup 302 is to extend jacket 4 in the radial direction at the pot body, so the elasticity direction of back-moving spring 304 also is at the pot body in the radial direction.
In the utility model embodiment; Jacket 4 also comprises a pressing plate 5, and in conjunction with shown in Figure 7, pressing plate is provided with the fixedly through hole 51 of microswitch 41; Microswitch 41 is fixed on jacket 4 bottoms 43 through this through hole 51; Pressing plate 5 among the utility model embodiment is provided with screw hole 502, can pressing plate be fixed on through screw and realize preliminary fixing on the jacket 4, can also play certain fixation to the switch touching simultaneously; In order further pressing plate 5 and jacket 4 to be fixed; The two ends of pressing plate 5 also are provided with fixing hole 501, on jacket bottom 43, corresponding fixed leg are set, and fixed leg passes fixing hole 501 and promptly realizes the well secured between switch press plate 5 and the jacket 4.Pressing plate 5 is formed on pot body 2 chute 52 in the radial direction with jacket 4 roofs 44, and switch touching 3 is installed in the chute 52.It is understandable that; Slide in chute 52 in order to guarantee switch touching 3; Pressing plate 5 one side up should be provided with the groove that is complementary with switch touching 3 appearance profiles; Switch touching 3 is sandwiched between the roof 44 of pressing plate 5 and jacket 4, so switch touching 3 can not swing up and down, and is merely able to slide in the radial direction at the pot body.Microswitch 41 has two switch terminals; The through hole that is used for fixing microswitch 41 on the pressing plate 5 can be provided with 2; And in the utility model embodiment, in conjunction with Fig. 8, on the pressing plate 5 since fixedly the through hole of microswitch 41 be 1; As long as being inserted into, any switch terminal in two switch terminals of microswitch 41 can guarantee in this through hole that microswitch can not move in the horizontal direction; It is understandable that equally microswitch 41 is to be sandwiched between the roof of pressing plate 5 and jacket 4, to guarantee that microswitch can not move up and down.
Have opening 45 on jacket 4 inwalls, push rod cup 302 protrudes from jacket 4 through this opening 45.It is understandable that the length that push rod cup 302 protrudes from jacket 4 should keep with the yardstick that the switch plectrum 411 of microswitch 41 is stirred coordinating, its best length should be identical with the yardstick that switch plectrum 411 is stirred.The internal diameter of opening 45 is slightly larger than the external diameter of push rod cup 302, guarantees that push rod cup 302 can pass opening 45 smoothly, can prevent waving of push rod cup 302 again simultaneously.
In the utility model embodiment; Spiral cover 1 is rotating to the situation (being that spiral cover is in primary importance) that spiral cover puts in place, be installed in elastic force that slide block 11 on the spiral cover 1 can overcome back-moving spring 304 push rod cup 302 of switch touching 3 is pushed up back the opening 45 of jacket 4, and the switch briquetting 301 in the switch touching 3 can movement therewith; At this moment; The switch plectrum of being pushed down by switch briquetting 301 on the microswitch 41 411 can rebound, thereby realizes the action of microswitch, because the switch terminal 412 of microswitch 41 is connected with control circuit; That control circuit can receive the actuating signal of microswitch 41, guarantees to allow when spiral cover puts in place power connection.
If spiral cover 1 is spiral cover put in place (being that spiral cover is in the second place) not; Slide block 11 on the spiral cover 1 does not contact the opening 45 that maybe can not push rod cup 302 tops be got back to jacket 4 with push rod cup 302 in the switch touching 3; Microswitch 41 just can not produce action so; Control circuit does not then receive actuating signal, and it is not in place to prove that close lid this moment, does not allow power connection.
Spiral cover among the utility model embodiment put in place lid that protective device can realize electrical equipment in the process of rotation to the triggering of switch, reliable in structure is convenient to realize.Spiral cover among the utility model embodiment protective device that puts in place not only can be used for electric pressure cooking saucepan, can also be used for the electric equipment products that soy bean milk making machine etc. has the spiral cover structure, can monitor the situation that lid does not put in place of closing accurately, guarantees the safe operation of electrical equipment.
Embodiment 2:
With respect to the foregoing description 1, the switch touching of adopting in the protective device that puts in place of the spiral cover among the utility model embodiment is a lever construction, and elastic reset spare is the jump ring that resets; The switch touching is passed through a pivotal mounting on jacket; Said pivot is between switch briquetting and push rod cup, and the jump ring that resets is set on the pivot, and a free end of the jump ring that resets is connected on the switch briquetting; Another free end of jump ring of resetting is connected on the jacket inwall; Push rod cup extends jacket along pot body radial direction, and switch has the switch plectrum, and the switch briquetting contacts with the switch plectrum.
Particularly, as shown in Figure 9, an end of switch touching is a push rod cup 302; The other end of switch touching is a switch briquetting 301, and the middle part of switch touching is provided with a pivoted hole 305, is used for pivot and passes through from this pivoted hole; Therefore in the inside of jacket a pivot can be set just, the switch touching is pivotally mounted on the jacket through this, during installation; The jump ring that resets is set on the pivot; The free end of jump ring of resetting is connected on the switch briquetting 301, a projection can be set on the switch briquetting be used for the free-ended fixed connection of jump ring, and another free end of the jump ring that resets is connected on the jacket; Projection be used to reset another free-ended fixed connection of jump ring can be set in jacket inside, can certainly utilize the fixedly free end of jump ring of clamp groove form.It is understandable that; Switch touching among the utility model embodiment middle part protruding axle can be set; And correspondingly, groove being set on jacket, the groove on the jacket should be arranged on jacket roof and the diapire certainly; Protruding axle in the switch touching is installed in the groove then, and touching is installed on the pivot on the jacket as switch to make this protruding axle.Push rod cup 302 protrudes from the jacket inwall, and the switch among the utility model embodiment still adopts microswitch, and microswitch 41 has switch plectrum 411, and switch briquetting 301 contacts with switch plectrum 411.
Have opening on the jacket inwall, said push rod cup protrudes from jacket through this opening.Because lever construction has been adopted in the switch touching among the utility model embodiment, so push rod cup 302 can be along moving on the A direction among Fig. 9, and promptly the projection on the spiral cover rotates towards the A direction in rotation; When spiral cover puts in place; Projection can touch push rod cup 302, makes it rotate the counter-rotation that 301 of the switch briquettings in the switch touching at this moment overcome the elastic force of the jump ring that resets towards A towards the A direction; And touch the switch plectrum 411 on the microswitch 41, thereby trigger switch action.
When spiral cover was outwarded winding, projection separated with the push rod cup 302 of switch touching, and the jump ring that resets can reset switch briquetting 302, and then the switch plectrum 411 of microswitch 41 rebounds.
Control circuit in the electrical equipment that the utility model embodiment is installed receives the actuating signal of microswitch equally, whether put in place with the identification spiral cover, concrete recognition principle can reference implementation concrete introduction in the example 1, give unnecessary details no longer one by one here.And be the identification signal that is pressed and puts in place as spiral cover with switch among the utility model embodiment, among the embodiment 1 identification signal of rebounding and putting in place as spiral cover with switch.Because switch touching trigger switch action in a circumferential direction among the utility model embodiment, the switch plectrum of microswitch places a pot body circumferencial direction, therefore can reduce jacket at pot body thickness in the radial direction, the minimizing of implementation space.
Embodiment 3:
The utility model embodiment makes improvement on the basis of the foregoing description 2, its jacket also comprises a pressing plate, and pressing plate is provided with switch fixed through hole, and switch is fixed on the jacket bottom through this through hole, and said switch touching is passed through pivotal mounting on pressing plate.Be installed in the process of jacket in the switch touching, the pressing plate among the utility model embodiment promptly is equivalent to the diapire of jacket among the embodiment 2, and pivot can be fixed between pressing plate and the jacket roof.
Pressing plate among the utility model embodiment can carry out good fixing to microswitch, but also can fix the switch touching.
Embodiment 4:
The utility model embodiment provides a kind of electric pressure cooking saucepan; This electric pressure cooking saucepan has spiral cover and pot body; This electric pressure cooking saucepan comprised the foregoing description 1, implement 2 or embodiment 3 described in the spiral cover protective device that puts in place; Put in place the projection of protective device of spiral cover is installed on the spiral cover of electric pressure cooking saucepan, and put in place the jacket of protective device of spiral cover is installed on the pot body of electric pressure cooking saucepan.
The electric pressure cooking saucepan that the utility model embodiment provides, owing to adopted the spiral cover protective device that puts in place, when the electric pressure cooking saucepan spiral cover was not in place, power supply was disconnected, and therefore can guarantee the safe handling of electric pressure cooking saucepan.
More than put in place protective device and electric pressure cooking saucepan of a kind of spiral cover that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (9)
1. the spiral cover protective device that puts in place; It is characterized in that, comprising: be fixed in projection on the spiral cover, be fixed in the jacket of the external periphery of pot and be installed in the switch in the jacket, switch is connected on the control circuit of electrical equipment; Also be movably installed with the switch touching in the jacket; Switch touching one end has the push rod cup corresponding with projection, and the other end of switch touching has and switch corresponding switch briquetting, between switch briquetting and the jacket outer wall inboard elastic reset spare is installed.
2. the spiral cover as claimed in claim 1 protective device that puts in place; It is characterized in that: said elastic reset spare is a back-moving spring; The switch briquetting offers spring groove in the radial direction along the pot body, and back-moving spring is between spring groove diapire and jacket outer wall inboard, and push rod cup protrudes the jacket inwall; Said switch has the switch plectrum, and the switch plectrum contacts on back-moving spring elasticity direction with the switch briquetting.
3. the spiral cover as claimed in claim 2 protective device that puts in place; It is characterized in that: jacket also comprises a pressing plate; Pressing plate is provided with switch fixed through hole; Switch is fixed on the jacket bottom through this through hole, and pressing plate and jacket roof are formed on pot body chute in the radial direction, and the switch touching is installed in the chute.
4. like claim 2 or the 3 described spiral covers protective device that puts in place, it is characterized in that: have opening on the jacket inwall, said push rod cup protrudes from jacket through this opening.
5. the spiral cover as claimed in claim 1 protective device that puts in place, it is characterized in that: said elastic reset spare is the jump ring that resets, the switch touching through a pivotal mounting on jacket; Said pivot is between switch briquetting and push rod cup, and the jump ring that resets is set on the pivot, and a free end of the jump ring that resets is connected on the switch briquetting; Another free end of jump ring of resetting is connected on the jacket; Push rod cup protrudes from the jacket inwall, and switch has the switch plectrum, and the switch briquetting contacts with the switch plectrum.
6. the spiral cover as claimed in claim 5 protective device that puts in place, it is characterized in that: jacket also comprises a pressing plate, pressing plate is provided with switch fixed through hole, switch is fixed on the jacket bottom through this through hole, said switch touching through pivotal mounting on pressing plate.
7. like claim 5 or the 6 described spiral covers protective device that puts in place, it is characterized in that: have opening on the jacket inwall, said push rod cup protrudes from jacket through this opening.
8. like claim 1, the 2 or 5 described spiral covers protective device that puts in place, it is characterized in that: said switch is a microswitch.
9. electric pressure cooking saucepan is characterized in that: comprise in the aforesaid right requirement 1 to 8 any described spiral cover protective device that puts in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201275239U CN202537141U (en) | 2012-03-29 | 2012-03-29 | Screwing cover in-place protecting device and electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201275239U CN202537141U (en) | 2012-03-29 | 2012-03-29 | Screwing cover in-place protecting device and electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202537141U true CN202537141U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201275239U Expired - Lifetime CN202537141U (en) | 2012-03-29 | 2012-03-29 | Screwing cover in-place protecting device and electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202537141U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417378A (en) * | 2013-09-03 | 2013-12-04 | 天津泰勃自动化技术开发有限公司 | Pot mechanism for drum-type drug-decocting machine |
| CN104728319A (en) * | 2013-12-24 | 2015-06-24 | 格力电器（中山）小家电制造有限公司 | Snap spring, pressure limit valve and home appliance |
| CN107970469A (en) * | 2017-12-21 | 2018-05-01 | 珠海市睿力电器有限公司 | A kind of nipple sterilizer |
| CN109464001A (en) * | 2017-09-08 | 2019-03-15 | 佛山市顺德区美的电热电器制造有限公司 | The safety guard and household electrical appliance of household electrical appliance |
-
2012
- 2012-03-29 CN CN2012201275239U patent/CN202537141U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417378A (en) * | 2013-09-03 | 2013-12-04 | 天津泰勃自动化技术开发有限公司 | Pot mechanism for drum-type drug-decocting machine |
| CN104728319A (en) * | 2013-12-24 | 2015-06-24 | 格力电器（中山）小家电制造有限公司 | Snap spring, pressure limit valve and home appliance |
| CN109464001A (en) * | 2017-09-08 | 2019-03-15 | 佛山市顺德区美的电热电器制造有限公司 | The safety guard and household electrical appliance of household electrical appliance |
| CN107970469A (en) * | 2017-12-21 | 2018-05-01 | 珠海市睿力电器有限公司 | A kind of nipple sterilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
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| CX01 | Expiry of patent term |