CN100407970C - Cover closing and opening safety device for pressure cooker - Google Patents
Cover closing and opening safety device for pressure cooker Download PDFInfo
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- CN100407970C CN100407970C CNB200510038357XA CN200510038357A CN100407970C CN 100407970 C CN100407970 C CN 100407970C CN B200510038357X A CNB200510038357X A CN B200510038357XA CN 200510038357 A CN200510038357 A CN 200510038357A CN 100407970 C CN100407970 C CN 100407970C
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Abstract
The present invention relates to a safety device of an opening and closing cover for a pressure cooker, which belongs to the technical field of a daily article. The pressure cooker solves the problems of complicated structure and low safety performance of the existing device. The safety device of the opening and closing device for the pressure cooker is arranged between an upper handle and a lower handle of a pressure cover; the upper handle is provided with a push plate of which the front part is provided with a display rod; a cooker cover on the corresponding position of the display rod is provided with a safety valve; the upper handle is provided with a gliding foot which is arranged on the side part of the push plate and is hinged with the push plate; a spring is arranged between the gliding foot and the push plate; the side edge of the gliding foot is supported and pressed on a right surface in the upper handle; the position on the lower handle, which corresponds to the gliding foot, is provided with an inclined plane. The safety device of the opening and closing cover for the pressure cooker has the advantages of simple and reasonable structure, safety and reliability when in use. Meanwhile, the gliding foot has a small stress angle and low deformation degree in the process of use, and can prolong the service life of a product.
Description
Technical field
The invention belongs to the articles for daily use technical field, relate to a kind of cover closing and opening safety device that is installed on the pressure cooker.
Background technology
In pressure cooker, can use safely in order to make pressure cooker, 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; In the time will 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.As " the automatic chain safety device of pressure cooker air pressure " that Chinese patent 00208275.6 provides, 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 pressure cooker safety device of existing other structure also exists similar weak point.
Summary of the invention
The objective of the invention is provides a kind of cover closing and opening safety device for pressure cooker of novel structure at the existing the problems referred to above of existing cover closing and opening safety device for pressure cooker, makes it have characteristics such as simple and reasonable, safe and reliable, easy to use.
Purpose of the present invention can realize by following technical proposal: this cover closing and opening safety device for pressure cooker is arranged between the upper handle and lower handle of pressure cover, in upper handle, be provided with a push pedal, push pedal can be slided front and back in upper handle, and upper handle is exposed on the top of push pedal, 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 shoes in the described upper handle, shoes is in the sidepiece of push pedal, and be hinged with push pedal, be provided with spring between shoes and push pedal, the edge roof pressure of shoes in upper handle faces directly under spring action, and the position corresponding to shoes on lower handle is provided with an inclined-plane.
In the pressure cooker use, if pot cover is not incorporated into the position, shoes can peak at facing directly in the upper handle, and push pedal can not retreated, and display pole is just being pushed down in the front portion of push pedal, and display pole can not be risen, and the pressure in the pot also just can not raise.Have only after pot cover is pressed onto the position, utilize the inclined-plane of lower handle to make shoes along angle of acting force of the spring counter-rotation, shoes is roof pressure facing directly in upper handle not, and push pedal just can be free to slide.At this moment, push pedal is retreated, display pole is not pushed down, and pressure cooker just can normally use.
In above-mentioned cover closing and opening safety device for pressure cooker, described shoes is bar shaped, and facing directly of roof pressure upper handle when covering do not closed in its rear end, and front end contacts with the inclined-plane of lower handle closing when covering state.
In above-mentioned cover closing and opening safety device for pressure cooker, the sidepiece of described push pedal is provided with a circular hole, little spring and push rod are housed in circular hole, and there are two grooves the position over against circular hole when pushing away before the push pedal and retreating in upper handle, push rod under the effect of little spring roof pressure in groove.Utilize such structure, when a groove moves to another groove, can sound, with the action that pushes away or retreat before reminding user's push pedal to finish at push rod.
Compared with prior art, this cover closing and opening safety device for pressure cooker is owing to only be made up of parts such as push pedal, shoes, display pole, push rod and springs, and can guarantee that pressure cooker uses safely, and it is simple and reasonable.This device limits retreating of push pedal by shoes, and push pedal is used to control moving up and down of display pole, and is safe and reliable during use.
Simultaneously, can sound in the push pedal moving process, clearly pointing out the user, so the user is not prone to maloperation.
In addition, this loading angle that installs shoes in use is less, and deformation extent is low, can prolong the service life of product.
Description of drawings
The structural representation that Fig. 1 is this cover closing and opening safety device for pressure cooker when pot cover is not incorporated into.
The structural representation that Fig. 2 is this cover closing and opening safety device for pressure cooker when pot cover is incorporated into.
Fig. 3 is the structural representation of push pedal place in this cover closing and opening safety device for pressure cooker.
Fig. 4 is the schematic diagram of lower handle in this cover closing and opening safety device for pressure cooker.
Fig. 5 is the cutaway view of Fig. 4 along A-A.
Among the figure, 1, push pedal; 1a, circular hole; 1b, button; 1c, bayonet socket; 1d, retaining pin; 2, shoes; 2a, front end; 2b, rear end; 3, upper handle; 3a, face directly; 3b, groove; 4, lower handle; 4a, inclined-plane; 4b, shoes groove; 4c, retaining pin groove; 5, display pole; 6, spring; 7, little spring 8, push rod; 9, sealing ring; 10, safety valve; 11, pot cover.
The specific embodiment
As depicted in figs. 1 and 2, this cover closing and opening safety device for pressure cooker is installed between the upper handle 3 and lower handle 4 of pressure cooker, and it comprises parts such as push pedal 1, shoes 2, display pole 5 and spring 6.
As shown in figures 1 and 3, shoes 2 is bar shaped, and it is hinged on the side of push pedal 1.Shoes 2 also is in the cavity of upper handle 3.In the cavity of upper handle 3, there is one and faces 3a directly.Between shoes 2 and push pedal 1, be provided with spring 6.Do not closing under the state of lid, shoes 2 under the effect of spring 6, its rear end 2b roof pressure 3a on facing directly, make push pedal 1 can't after move.
As shown in Figure 4, lower handle 4 is connected on the pot body of pressure cooker, and lower handle 4 has a shoes groove 4b corresponding to the position of shoes 2 front end 2a.As shown in Figure 5, the bottom land of shoes groove 4b is inclined-plane 4a.In closing the process of lid, just the shoes 2 front end 2a that enter shoes groove 4b upwards can be pushed angle of rotation by this inclined-plane 4a.After shoes 2 rotated, 3a was faced in 2b disengaging in its rear end directly, and push rod 1 just is free to move backward.
As shown in Figure 4, also have a retaining pin groove 4c on lower handle 4,4c is L-shaped for retaining pin groove, and is corresponding with the retaining pin 1d position of push pedal 1 bottom.In closing the process of lid, when retaining pin 1d moves to retaining pin groove 4c terminal, push push pedal 1 retaining pin 1d is snapped among the retaining pin groove 4c.At this moment, retaining pin 1d just can not rotate with respect to lower handle 4 together with push pedal 1 and upper handle 3.
As shown in Figures 2 and 3, have a bayonet socket 1c in the front portion of push pedal 1, the upper end of display pole 5 is passed bayonet socket 1c and is stretched out upper handle 3, and the lower end is subjected to himself gravity pressure on safety valve 10.If pot cover 11 is not incorporated into the position, the rear end 2b of shoes 2 just withstands on facing directly on the 3a in the upper handle 3, push pedal 1 can not be retreated, stagger in the bayonet socket 1c in the push pedal 1 and the position of display pole 5, display pole 5 is just being pushed down in the front portion of push pedal 1, display pole 5 can not be risen, and the pressure in the pot also just can not rise.Therefore, when having only upper handle 3 when pressure cooker to be incorporated into fully, pressure cooker could normally use, and the pressure in the pot is risen.
Pressure-cook in the food process, safety valve 10 is risen by a pot internal gas pressure effect, and venthole is sealed up, and makes pot internal gas pressure can continue to raise.In the present embodiment, the bottom of safety valve 10 is with sealing ring 9, after safety valve 10 rises just sealing ring 9 by its underpart seal.Display pole 5 is pushed also by safety valve 10 to move up, and the bayonet socket 1c of push pedal 1 can be pinned after moving on the display pole 5, and push pedal 1 can not be moved forward.When opening pot cover 11, be higher than extraneous air pressure if also have in the pot, display pole 5 just can not fall.This moment, display pole 5 will pin in push pedal 1, also just can not promote button 1b push pedal 1 has been moved forward.Like this, retaining pin 1 d is kept off pin groove 4c and is blocked, and pot cover 11 just can not be opened.
Have only when a pot internal gas pressure to drop to when consistent with ambient pressure, safety valve 10 is subjected to self gravitation and falls, and display pole 5 also together falls.Display pole can not block push pedal 15 this moments.Like this, make push pedal 1 reach, just can rotate upper handle 3 and open pot cover 11 as long as promote button 1b.
As shown in Figure 3, in the present embodiment, the side of push pedal 1 is provided with a circular hole 1a, and little spring 7 and push rod 8 are housed in the circular hole 1a.The side of upper handle 3 cavitys has two groove 3b.Push rod 8 at roof pressure under the effect of little spring 7 in groove 3b.When pushing push pedal 1, push rod 8 moves between these two groove 3b, just produces cracking sounds, thereby the prompting consumer avoids occurring owing to not operating the dangerous hidden danger that puts in place and exist.
Claims (5)
1. cover closing and opening safety device for pressure cooker, be arranged between the upper handle (3) and lower handle (4) of pressure cover, in upper handle (3), be provided with a push pedal (1), push pedal (1) can be slided front and back in upper handle (3), and upper handle (3) is exposed on the top of push pedal (1), a retaining pin (1d) is arranged at the bottom of push pedal (1), the front portion of push pedal (1) is provided with display pole (5), the pot cover (11) of display pole (5) institute correspondence position is provided with safety valve (10), it is characterized in that, be provided with a shoes (2) in the described upper handle (3), shoes (2) is in the sidepiece of push pedal (1), and be hinged with push pedal (1), between shoes (2) and push pedal (1), be provided with spring (6), spring (6) effect down in upper handle (3) one of the edge roof pressure of shoes (2) face directly on (3a), the position corresponding to shoes (2) on lower handle (4) is provided with an inclined-plane (4a).
2. cover closing and opening safety device for pressure cooker according to claim 1, it is characterized in that, described shoes (2) is bar shaped, and its rear end (2b) do not closing the facing directly on (3a) of roof pressure upper handle (3) when covering, and front end (2a) contacts with the inclined-plane (4a) of lower handle (4) closing when covering state.
3. cover closing and opening safety device for pressure cooker according to claim 1 and 2 is characterized in that, a retaining pin groove (4c) is arranged on lower handle (4), and retaining pin groove (4c) is L-shaped, and is corresponding with retaining pin (1d) position of push pedal (1) bottom.
4. cover closing and opening safety device for pressure cooker according to claim 1 and 2, it is characterized in that, the sidepiece of described push pedal (1) is provided with a circular hole (1a), little spring (7) and push rod (8) are housed in circular hole (1a), there are two grooves (3b) position over against circular hole (1a) when push pedal (1) is preceding when pushing away and retreating in upper handle (3), push rod (8) at roof pressure under the effect of little spring (7) in groove (3b).
5. cover closing and opening safety device for pressure cooker according to claim 3, it is characterized in that, the sidepiece of described push pedal (1) is provided with a circular hole (1a), little spring (7) and push rod (8) are housed in circular hole (1a), there are two grooves (3b) position over against circular hole (1a) when push pedal (1) is preceding when pushing away and retreating in upper handle (3), push rod (8) at roof pressure under the effect of little spring (7) in groove (3b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510038357XA CN100407970C (en) | 2005-02-05 | 2005-02-05 | Cover closing and opening safety device for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510038357XA CN100407970C (en) | 2005-02-05 | 2005-02-05 | Cover closing and opening safety device for pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1666693A CN1666693A (en) | 2005-09-14 |
| CN100407970C true CN100407970C (en) | 2008-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510038357XA Active CN100407970C (en) | 2005-02-05 | 2005-02-05 | Cover closing and opening safety device for pressure cooker |
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| Country | Link |
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| CN (1) | CN100407970C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100569152C (en) * | 2007-04-20 | 2009-12-16 | 浙江苏泊尔股份有限公司 | A kind of handle for low-pressure cooking vessel |
| CN101991363B (en) * | 2010-10-26 | 2012-07-25 | 武汉苏泊尔压力锅有限公司 | Upper handle of pressure cooker and pressure cooker cover opening and closing mechanism thereof |
| CN102613885B (en) * | 2012-03-23 | 2014-12-24 | 浙江爱仕达电器股份有限公司 | Structure for opening and closing cover of pressure cooker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148464A1 (en) * | 1984-01-07 | 1985-07-17 | Heinrich Baumgarten KG Spezialfabrik für Beschlagteile | Pressure cooker |
| US4620643A (en) * | 1984-02-29 | 1986-11-04 | Seb S.A. | Safety device for opening and closing a pressure-cooking appliance without danger |
| CN1143486A (en) * | 1996-05-17 | 1997-02-26 | 江西压力锅厂 | Explosion-proof safety pressure cooker |
| WO2003013323A1 (en) * | 2001-08-09 | 2003-02-20 | Jong Peter Park | Device for coupling a lid to pot |
| CN2572884Y (en) * | 2002-10-08 | 2003-09-17 | 义乌市永达不锈钢制品有限公司 | Open stopping safety device with push button for pressure cooker |
| CN2766715Y (en) * | 2005-02-05 | 2006-03-29 | 浙江苏泊尔炊具股份有限公司 | Cover closing and opening safety device for pressure cooker |
-
2005
- 2005-02-05 CN CNB200510038357XA patent/CN100407970C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148464A1 (en) * | 1984-01-07 | 1985-07-17 | Heinrich Baumgarten KG Spezialfabrik für Beschlagteile | Pressure cooker |
| US4620643A (en) * | 1984-02-29 | 1986-11-04 | Seb S.A. | Safety device for opening and closing a pressure-cooking appliance without danger |
| CN1143486A (en) * | 1996-05-17 | 1997-02-26 | 江西压力锅厂 | Explosion-proof safety pressure cooker |
| WO2003013323A1 (en) * | 2001-08-09 | 2003-02-20 | Jong Peter Park | Device for coupling a lid to pot |
| CN2572884Y (en) * | 2002-10-08 | 2003-09-17 | 义乌市永达不锈钢制品有限公司 | Open stopping safety device with push button for pressure cooker |
| CN2766715Y (en) * | 2005-02-05 | 2006-03-29 | 浙江苏泊尔炊具股份有限公司 | Cover closing and opening safety device for pressure cooker |
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| Publication number | Publication date |
|---|---|
| CN1666693A (en) | 2005-09-14 |
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