CN101731940A - Safety opening-closing cover device of pressure cooker - Google Patents
Safety opening-closing cover device of pressure cooker Download PDFInfo
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- CN101731940A CN101731940A CN201010121251A CN201010121251A CN101731940A CN 101731940 A CN101731940 A CN 101731940A CN 201010121251 A CN201010121251 A CN 201010121251A CN 201010121251 A CN201010121251 A CN 201010121251A CN 101731940 A CN101731940 A CN 101731940A
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Abstract
The invention provides a safety opening-closing cover device of a pressure cooker, which belongs to the technical field of cooking apparatuses and solves the problems of complex structure and complex operation of the opening-closing cover of the conventional pressure cooker. The safety opening-closing cover device of the pressure cooker comprises an upper handle fixed on a cooker cover and a lower handle fixed on a cooker body; the upper handle is internally provided with a safety push plate which can slide backwards and forwards in the upper handle, and the front end of the safety push plate is provided with a valve rod hole of an opening stop valve rod which can be inserted in the cooker cover when the safety push plate slides backwards and forwards; a spring is arranged between the safety push plate and the cooker cover, and one end of the spring abuts against the cooker cover and the other end abuts against the safety push plate; the lower part of the rear end of the safety push plate is provided with a retaining foot; the lower handle is provided with a chute, and when the upper handle circumferentially rotates to approach the lower handle, the retaining foot can be inserted into the chute to enable the safety push plate to slide forwards under the guiding of the chute; and the safety push plate is further provided with a safety structure which can leave a gap between the cooker cover and the cooker body when the cooker cover is inaccurately buckled. The invention has the advantages of convenient operation, safety, reliability and the like.
Description
Technical field
The invention belongs to the cooking apparatus technical field, relate to pressure cooker, especially relate to a kind of safety opening-closing cover device of pressure cooker.
Background technology
For pressure cooker can normally be used safely, common folding at pressure cooker covers safety device is set.The effect of this safety device is: when a pressure cooker lid and a pot body fasten when not in place, pot inner pressure can not rise; When opening pressure cooker cover, if in the pot pressure is arranged, then pot cover is not opened.
The kind of existing cover closing and opening safety device for pressure cooker is more, and concrete operations are also different during use.There are many structures also to apply for patent.Disclose the automatic chain safety device of a kind of pressure cooker air pressure [application number: 00208275.6] as Chinese patent literature, it is made up of upper handle, fly rod, slide block, yawing axis, back-moving spring and spring geometrical clamp.In closing the process of lid, when the tooth on the pot body contacts with the protruding tooth on the yawing axis, make the yawing axis left-right rotation, move forward and backward thereby promote slide block.If pot cover is not incorporated into the position, the flanging of slide block props up fly rod can not rise it, just pot inner pressure can not rise.In the pressure cooker use, be higher than extraneous air pressure if also have in the pot, the then fly rod rise that can under the effect of pot inner high voltage gas, make progress.At this moment, fly rod blocks slide block, and pot cover just can not be opened.Like this, maloperation such as can avoid uncapping by force and cause casualty accident, the reliability of pressure cooker is improved.But the shortcoming of this device is that its structure is complicated; Simultaneously, need also when covering by rule of thumb to determine whether lid gets togather, can not thoroughly eliminate the potential safety hazard of pressure cooker closing.
The inventor had once applied for the patent of the open and close cover structure [application number: 200620040545.6] of pressure cooker by name, this device is arranged between the upper handle and lower handle of pressure cooker, in upper handle, be provided with a push pedal, push pedal can be slided front and back in upper handle, a retaining pin is arranged at the bottom of push pedal, the front portion of push pedal is provided with display pole, the pot cover of display pole institute correspondence position is provided with safety valve, it is characterized in that, be provided with a push pedal spring between described push pedal and the upper handle, the two ends of push pedal spring act on respectively on push pedal and the upper handle; In push pedal, be hinged with a shoes, and be provided with a torsion spring between push pedal and the shoes, but an end roof pressure of shoes in upper handle face directly, the position corresponding to the shoes other end on lower handle is provided with an inclined-plane.But this scheme does not correctly fasten at pot cover and pot body, i.e. during maloperation, the situation that pressure cooker boosts can occur when heating, therefore has potential safety hazard.In addition, it is comparatively complicated that such scheme still exists structure, uses not to be convenient especially, needs to use the hand propelled push pedal in the process of folding lid, just can reach the purpose of folding lid, and it is comparatively loaded down with trivial details to operate.
Summary of the invention
The objective of the invention is at the problems referred to above, safety opening-closing cover device of pressure cooker a kind of simple in structure, easy for operation, safe and reliable is provided.
For achieving the above object, the present invention has adopted following technical proposal: this safety opening-closing cover device of pressure cooker, comprise the upper handle that is fixed on the pot cover and be fixed on pot lower handle on one's body, in upper handle, be provided with a safe push pedal of sliding before and after can be in upper handle, the front end of safety push pedal have when safe push pedal to the valve rod hole that can insert the stopping valve bar that is arranged on the pot cover after the front slide, it is characterized in that, being provided with an end between described safe push pedal and the pot cover is resisted against the other end on the pot cover and is resisted against spring in the safe push pedal, the rear end lower of described safe push pedal has the retaining pin, have chute on the described lower handle, and make safe push pedal to front slide when upper handle described retaining pin when the circumferential rotation of lower handle is drawn close can insert under chute and the guiding at chute, also be provided with in the described safe push pedal and when pot cover does not correctly fasten, can make the safety structure that leaves the gap between pot cover and the pot body.
When maloperation occurring, pot cover is not in place with the fastening of pot body, and when pressure cooker heat can cause pot inner pressure to rise as if making sealing of pot body and pot cover and stopping valve be in salable state this moment, thereby produce potential safety hazard.Owing to be provided with safety structure among the present invention, when maloperation occurring, safety structure can make between pot cover and the pot body and leave the gap, thereby prevents that pot inner pressure from rising.After the correct fastening of pot cover put in place, this moment, upper handle overlapped with lower handle, and the stopping valve bar inserts in the valve rod hole.
In above-mentioned safety opening-closing cover device of pressure cooker, described safety structure is the card base that is arranged in the safe push pedal, thereby and when pot cover correctly do not fasten and the guiding of safe push pedal at chute under during to front slide described card base can and make pot cover can not close lid all the time between the pot mouthful upper edge of pot body and pot cover to avoid pressing on the pressure cooker.
Because therefore card base can effectively avoid producing potential safety hazard when maloperation occurring between the pot mouthful upper edge and pot cover of pot body.
In above-mentioned safety opening-closing cover device of pressure cooker, described pot body boiler port is provided with turning edge of outwards routing up, and when under correct fastening of pot cover and the guiding of safe push pedal at chute during to front slide described card base can be positioned at described turn edge under.
Pot cover correct fasten put in place after, the card base in the safe push pedal be positioned at turn edge under, therefore not only can not cause interference to normal fastening, can further improve security on the contrary.
In above-mentioned safety opening-closing cover device of pressure cooker, described chute is arranged on the upper surface of lower handle, and this chute has the inclined-plane that extends from the lower handle side before its axial line is tilted to, and the front end on the inclined-plane has the blocking surface of horizontally set.
Owing to be provided with the inclined-plane, when keeping off pin to lower handle when circumferentially rotation is drawn close, upper handle slides along the inclined-plane, move forward thereby promote safe push pedal, this moment, spring was compressed.When upper handle overlapped with lower handle, the retaining pin was resisted against on the blocking surface, thereby prevents that safe push pedal is to after-contraction.
In above-mentioned safety opening-closing cover device of pressure cooker, described push pedal front end has the mouth that snaps in that communicates with valve rod hole, and the described width that snaps in mouthful is slightly larger than the external diameter on stopping valve bar top, but less than the external diameter of stopping valve bar bottom.
In above-mentioned safety opening-closing cover device of pressure cooker, described stopping valve bar lower end is positioned at the pot cover inboard, and has the sealing ring that can form sealing when the stopping valve bar rises with pot cover in stopping valve bar lower end.
In above-mentioned safety opening-closing cover device of pressure cooker, have the spring erection column in the described safe push pedal, described pot cover sidepiece has the spring fixing body, and above-mentioned both ends of the spring is enclosed within respectively on spring erection column and the spring fixing body.
In above-mentioned safety opening-closing cover device of pressure cooker, have through hole on the described upper handle, in through hole, be embedded with inserts.
In above-mentioned safety opening-closing cover device of pressure cooker, described card base and safe push pedal are integral structure.
Compared with prior art, the advantage of this safety opening-closing cover device of pressure cooker is: 1, when occurring fastening maloperation, can effectively avoid potential safety hazard, improve the security of using greatly.2, easy for operation, need not manually to safety push pedal and control the purpose that can realize safety opening-closing cover.
Description of drawings
Fig. 1 is a user mode sectional structure schematic diagram provided by the invention.
Fig. 2 is a kind of enlarged drawing when maloperation occurring provided by the invention.
Fig. 3 is a upper handle sectional structure schematic diagram provided by the invention.
Fig. 4 is a upper handle plan structure schematic diagram provided by the invention.
Fig. 5 is a lower handle sectional structure schematic diagram provided by the invention.
Fig. 6 is a lower handle plan structure schematic diagram provided by the invention.
Fig. 7 is a safe push pedal structural representation provided by the invention.
Among the figure, pot cover 1, spring fixing body 11, upper handle 2, through hole 21, pot body 3, turn edge 31, lower handle 4, chute 41, inclined-plane 41a, blocking surface 41b, safe push pedal 5, valve rod hole 51, retaining pin 52, card base 53, snap in mouthfuls 55, spring erection column 56, stopping valve bar 6, spring 7, sealing ring 8, inserts 9.
The specific embodiment
As shown in Figure 1, this safety opening-closing cover device of pressure cooker comprises upper handle 2 that is fixed on the pot cover 1 and the lower handle 4 that is fixed on pot body 3.Have through hole 21 on the upper handle 2, in through hole 21, be embedded with inserts 9.In upper handle 2, be provided with a safe push pedal 5 of sliding before and after can be in upper handle 2, the front end of safety push pedal 5 have when safe push pedal 5 to the valve rod hole 51 that can insert the stopping valve bar 6 that is arranged on the pot cover 1 after the front slide.Obviously, stopping valve bar 6 can lifting in valve rod hole 51.Push pedal 5 front ends have communicate with valve rod hole 51 snap in mouthfuls 55, snap in the external diameter that mouthfuls 55 width is slightly larger than stopping valve bar 6 tops, but less than the external diameter of stopping valve bar 6 bottoms.Stopping valve bar 6 lower ends are positioned at pot cover 1 inboard, and have the sealing ring 8 that can form sealing when stopping valve bar 6 rises with pot cover 1 in stopping valve bar 6 lower ends.
As shown in Figure 3, being provided with an end between safe push pedal 5 and the pot cover 1 is resisted against the other end on the pot cover 1 and is resisted against spring 7 in the safe push pedal 5.Have spring erection column 56 in the safe push pedal 5, pot cover 1 sidepiece has spring fixing body 11, and above-mentioned spring 7 two ends are enclosed within respectively on spring erection column 56 and the spring fixing body 11.
Shown in Fig. 4-7, the rear end lower of safe push pedal 5 has retaining pin 52, has chute 41 on the lower handle 4, and keeps off pin 52 when drawing close and can insert chute 41 and make safe push pedal 5 to front slide under the guiding of chute 41 when upper handle 2 circumferentially rotates to lower handle 4.Also be provided with in the safe push pedal 5 and when pot cover 1 does not correctly fasten, can make the safety structure that leaves the gap between pot cover 1 and the pot body 3.Safety structure is the card base 53 that is arranged in the safe push pedal 5, thereby and when pot cover 1 is correct fasten and safe push pedal 5 under the guiding of chute 41 during to front slide described card base 53 can and make pot cover 1 can not close lid all the time between the pot mouthful upper edge of pot body 3 and pot cover 1 to avoid pressing on the pressure cooker.The retaining pin 52 here, card base 53 and safe push pedal 5 threes are integral structure.Pot body 3 boiler ports be provided with outwards rout up turn edge 31, and when pot cover 1 correct fastening and safe push pedal 5 under the guiding of chute 41 during to front slide described card base 53 can be positioned at described turn edge 31 under.Chute 41 is arranged on the upper surface of lower handle 4, and this chute 41 has the inclined-plane 41a that extends from lower handle 4 sides before its axial line is tilted to, and has the blocking surface 41b of horizontally set at the front end of inclined-plane 41a.
As shown in Figure 2, when maloperation occurring, pot cover 1 is not in place with the fastening of pot body 3, and thereby when pressure cooker heat can cause pot inner pressure rise, produce potential safety hazard if make pot body 3 and pot cover 1 sealing and stopping valve be in salable state this moment.The effect of safety structure is: when maloperation occurring, make between pot cover 1 and the pot body 3 and leave the gap, thereby prevent that pot inner pressure from rising.When pot cover 1 is correct fasten put in place after, this moment, upper handle 2 overlapped with lower handle 3, stopping valve bar 6 inserts in the valve rod hole 51, and at this moment when pot inner pressure rises, stopping valve bar 6 is lifted and can makes stopping valve to be in sealing state.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper used pot cover 1, spring fixing body 11, upper handle 2, through hole 21, pot body 3 morely, turn edge 31, lower handle 4, chute 41, inclined-plane 41a, blocking surface 41b, safe push pedal 5, valve rod hole 51, retaining pin 52, card base 53, snap in mouthfuls 55, terms such as spring erection column 56, stopping valve bar 6, spring 7, sealing ring 8, inserts 9, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (9)
1. safety opening-closing cover device of pressure cooker, comprise the upper handle (2) that is fixed on the pot cover (1) and be fixed on lower handle (4) on pot body (3), in upper handle (2), be provided with a safe push pedal (5) of sliding before and after can be in upper handle (2), the front end of safety push pedal (5) have when safe push pedal (5) to the valve rod hole (51) that can insert the stopping valve bar (6) that is arranged on the pot cover (1) after the front slide, it is characterized in that, being provided with an end between described safe push pedal (5) and the pot cover (1) is resisted against pot cover (1) and goes up the other end and be resisted against spring (7) in the safe push pedal (5), the rear end lower of described safe push pedal (5) has retaining pin (52), have chute (41) on the described lower handle (4), and, also be provided with in the described safe push pedal (5) and when pot cover (1) does not correctly fasten, can make the safety structure that leaves the gap between pot cover (1) and the pot body (3) when upper handle (2) described retaining pin (52) when the circumferential rotation of lower handle (4) is drawn close can insert chute (41) and make safe push pedal (5) to front slide under the guiding of chute (41).
2. safety opening-closing cover device of pressure cooker according to claim 1, it is characterized in that, described safety structure is for being arranged on card base (53) in the safe push pedal (5), when pot cover (1) is correct fasten and safe push pedal (5) under the guiding of chute (41) during to front slide described card base (53) can be positioned between the pot mouthful upper edge of a pot body (3) and the pot cover (1) and make pot cover (1) thus can not close lid all the time and avoid pressing on the pressure cooker.
3. safety opening-closing cover device of pressure cooker according to claim 2, it is characterized in that, described pot body (3) boiler port is provided with turn edge (31 of outwards routing up), and when pot cover (1) correctly fasten and safe push pedal (5) under the guiding of chute (41) during to front slide described card base (53) can be positioned at described turning edge (31) under.
4. according to claim 1 or 2 or 3 described safety opening-closing cover device of pressure cooker, it is characterized in that, described chute (41) is arranged on the upper surface of lower handle (4), this chute (41) has the inclined-plane (41a) that extends from lower handle (4) side before its axial line is tilted to, the front end of (41a) has the blocking surface (41b) of horizontally set on the inclined-plane.
5. according to claim 1 or 2 or 3 described safety opening-closing cover device of pressure cooker, it is characterized in that, described push pedal (5) front end has snap in mouthful (55) that communicate with valve rod hole (51), the described width that snaps in mouthful (55) is slightly larger than the external diameter on stopping valve bar (6) top, but less than the external diameter of stopping valve bar (6) bottom.
6. safety opening-closing cover device of pressure cooker according to claim 5, it is characterized in that, described stopping valve bar (6) lower end is positioned at pot cover (1) inboard, and has the sealing ring (8) that can form sealing when stopping valve bar (6) rises with pot cover (1) in stopping valve bar (6) lower end.
7. safety opening-closing cover device of pressure cooker according to claim 5, it is characterized in that, has spring erection column (56) in the described safe push pedal (5), described pot cover (1) sidepiece has spring fixing body (11), and above-mentioned spring (7) two ends are enclosed within respectively on spring erection column (56) and the spring fixing body (11).
8. safety opening-closing cover device of pressure cooker according to claim 5 is characterized in that, has through hole (21) on the described upper handle (2), is embedded with inserts (9) in through hole (21).
9. safety opening-closing cover device of pressure cooker according to claim 5 is characterized in that, described card base (53) and safe push pedal (5) are integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101212517A CN101731940B (en) | 2010-02-05 | 2010-02-05 | Safety opening-closing cover device of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101212517A CN101731940B (en) | 2010-02-05 | 2010-02-05 | Safety opening-closing cover device of pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101731940A true CN101731940A (en) | 2010-06-16 |
| CN101731940B CN101731940B (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101212517A Active CN101731940B (en) | 2010-02-05 | 2010-02-05 | Safety opening-closing cover device of pressure cooker |
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| Country | Link |
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| CN (1) | CN101731940B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319018A (en) * | 2011-09-15 | 2012-01-18 | 浙江苏泊尔股份有限公司 | Cover opening and closing safety device of pressure cooker |
| CN113171007A (en) * | 2021-05-24 | 2021-07-27 | 湖北爱仕达电器有限公司 | Pressure cooker |
| CN115429104A (en) * | 2022-10-21 | 2022-12-06 | 杭州荣灿科技有限公司 | Labor-saving opening and closing mechanism of vacuum pressure cooker |
-
2010
- 2010-02-05 CN CN2010101212517A patent/CN101731940B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319018A (en) * | 2011-09-15 | 2012-01-18 | 浙江苏泊尔股份有限公司 | Cover opening and closing safety device of pressure cooker |
| CN102319018B (en) * | 2011-09-15 | 2013-11-06 | 浙江苏泊尔股份有限公司 | Cover opening and closing safety device of pressure cooker |
| CN113171007A (en) * | 2021-05-24 | 2021-07-27 | 湖北爱仕达电器有限公司 | Pressure cooker |
| CN113171007B (en) * | 2021-05-24 | 2022-03-29 | 湖北爱仕达电器有限公司 | Pressure cooker |
| CN115429104A (en) * | 2022-10-21 | 2022-12-06 | 杭州荣灿科技有限公司 | Labor-saving opening and closing mechanism of vacuum pressure cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101731940B (en) | 2011-05-18 |
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