CN109316056A - Pressure cooker and its pot cover component, the resetting-mechanism for exhaust valve - Google Patents

Pressure cooker and its pot cover component, the resetting-mechanism for exhaust valve Download PDF

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Publication number
CN109316056A
CN109316056A CN201811396816.5A CN201811396816A CN109316056A CN 109316056 A CN109316056 A CN 109316056A CN 201811396816 A CN201811396816 A CN 201811396816A CN 109316056 A CN109316056 A CN 109316056A
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CN
China
Prior art keywords
rotating member
bar
exhaust valve
slideway
locking
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Granted
Application number
CN201811396816.5A
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Chinese (zh)
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CN109316056B (en
Inventor
董守才
范志铭
欧名利
谢国良
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DEA General Aviation Holding Co Ltd
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DEA General Aviation Holding Co Ltd
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Priority to CN201811396816.5A priority Critical patent/CN109316056B/en
Publication of CN109316056A publication Critical patent/CN109316056A/en
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Publication of CN109316056B publication Critical patent/CN109316056B/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/0802Control mechanisms for pressure-cookers

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

The present invention relates to a kind of pressure cooker and its pot cover component, for the resetting-mechanism of exhaust valve.The resetting-mechanism includes lever, rotating member, the first return unit, pull rod and lock piece.The pull rod can moving radially along pot cover ontology, one end of the pull rod is equipped with abutting part, and the abutting part is used to contradict the pot tooth of pot body, and the other end of the pull rod is for driving the lock piece mobile;When the abutting part contradicts the pot tooth of the pot body, the pull rod drives the lock piece mobile, limits so that the lock piece is released to the locking of the rotating member.Rotating member can turn to reset position from exhaust position under the driving of the first return unit, correspondingly, exhaust valve is reset to sealing state under the position-limiting action of not lock piece.

Description

Pressure cooker and its pot cover component, the resetting-mechanism for exhaust valve
Technical field
The present invention relates to fields of home appliance technology, more particularly to a kind of pressure cooker and its pot cover component, for being vented The resetting-mechanism of valve.
Background technique
It can be to provide pressure in pot that pressure cooker --- including but is not limited to electric pressure cooking saucepan --- is a kind of during the work time Cooker.In the prior art, during exhaust valve of pressure cooker is exhausted, in order to prevent by the steam of exhaust valve release It is scalded, can be generally exhausted on pot cover equipped with automatic exhaust device.But traditional automatic exhaust device is in the row of completion After gas, exhaust valve needs manual reset to seal.If user forgets to reset exhaust valve, then when again after completing exhaust It is secondary when being cooked, there can be exhaust valve unsealing in place, and then when exhaust valve does not seal in place, not only It has influenced whether pressure efficiency, and has also affected effect of cooking.
Summary of the invention
Based on this, it is necessary to exhaust valve unsealing in place aiming at the problem that, a kind of pressure cooker and its pot cover component, use are provided In the resetting-mechanism of exhaust valve, it can be after exhaust valve completes exhaust, and driving exhaust valve is reset to seal shape when pot cover is opened State.
A kind of resetting-mechanism for exhaust valve, including lever, rotating member, the first return unit, pull rod and lock piece, it is described For jacking up the exhaust valve, the second end of the lever offsets the first end of lever with the rotating member;The rotating member tool There are exhaust position and reset position, when the rotating member turns to the exhaust position, the rotating member drives the lever Second end moves down, and the lock piece carries out locking limit to the rotating member;The rotating member turns to the reset position When, the rotating member drives the second end of the lever to move up;First return unit is for driving the rotating member from described Exhaust position turns to the reset position;The pull rod can moving radially along pot cover ontology, one end of the pull rod is equipped with Abutting part, the abutting part are used to contradict the pot tooth of pot body, and the other end of the pull rod is for driving the lock piece mobile;Institute When stating abutting part and contradicting the pot tooth of the pot body, the pull rod drives the lock piece mobile, so that the lock piece releases pair The locking of the rotating member limits.
The above-mentioned resetting-mechanism use process for exhaust valve are as follows: when exhaust valve needs to be vented, rotating member turns to row Gas position, then the second end of rotating member activation lever moves down, and correspondingly, the first end of lever tilts, so that exhaust valve is jacked up, it is real It is now vented valve exhaust, and lock piece carries out locking limit to rotating member at this time, exhaust valve is enabled to continue to be vented.Work as exhaust valve After exhaust, when user rotates pot cover ontology to open pot cover component, the abutting part of pull rod can therewith the rotation of pot cover ontology from And the pot tooth for arriving pot body is contradicted, so that pull rod driving lock piece is mobile, the locking of rotating member is limited so that lock piece releases.Turn Moving part can turn to reset position from exhaust position under the driving of the first return unit under the position-limiting action of not lock piece, And then the second end of lever is driven to move up, correspondingly, the first end of lever moves down, and exhaust valve is reset to sealing state.Therefore, it uses Family need to only rotate a rotating member, i.e., openable exhaust valve, and the above-mentioned resetting-mechanism for exhaust valve can guarantee exhaust valve Lasting exhaust.User open pot cover ontology when, the above-mentioned resetting-mechanism for exhaust valve can be realized exhaust valve automatically reset to Sealing state additionally goes to be sealed exhaust valve operation without user, and also there is no shadows due to user forgets to exhaust valve reset Ring the problem of cooking effect again.
The rotating member is equipped with unidirectional closure slideway in one of the embodiments, and the unidirectional closure slideway is equipped with fixed Position slot, the lock piece include rotating disc, position-arresting disk and locking-bar, and the pull rod is described for driving the turn disc Position-arresting disk is connect with the rotating disc, and the fixing end of the locking-bar is connected to the position-arresting disk, the positive stop end of the locking-bar It is movably set in the unidirectional closure slideway;When the rotating member turns to the exhaust position, the limit of the locking-bar End slides into the locating slot, and the rotating member locking is limited;When the abutting part contradicts the pot tooth of the pot body, institute It states pull rod and drives the lock piece rotation, so that the positive stop end of the locking-bar leaves the locating slot, to release to described turn The locking of moving part limits.
The unidirectional closure slideway includes that sequentially connected first slideway, second are slided from beginning to end in one of the embodiments, Road, third slideway and the 4th slideway, the third slideway are equipped with the locating slot;The rotating member is rotated from the reset position During to the exhaust position, the positive stop end of the locking-bar is slid by first slideway through second slideway described In the locating slot of third slideway;When the abutting part contradicts the pot tooth of the pot body, the positive stop end of the locking-bar is by described The locating slot of three slideways slides into the 4th slideway.
The lock piece further includes connecting rod in one of the embodiments, and the bottom end of the connecting rod and the rotating disc connect It connects, the top of the connecting rod is connect with the position-arresting disk, and the rotating member is rotatably sleeved on the connecting rod, the rotation The upper surface of part is equipped with the unidirectional close passage, and the locking-bar includes sequentially connected first vertical bar, intermediate bar and second Vertical bar, one end of first vertical bar are exposed to the upper surface of the position-arresting disk, and the intermediate bar is located at the position-arresting disk and institute It states between rotating member, the end of second vertical bar is movably set in the unidirectional close passage.
The lock piece further includes pilot pin in one of the embodiments, and the side of the position-arresting disk is equipped with first and wears Connect hole, the connecting rod is equipped with the second jack hole corresponding with first jack hole, and the pilot pin includes interconnected the One bar portion and the second bar portion, first bar portion are arranged in first jack hole and second jack hole, and described second Bar portion contradicts the exposed portion of first vertical bar, to keep second vertical bar to be located in the unidirectional close passage.
The pull rod is equipped with card slot in one of the embodiments, and the rotating disc is equipped with card column, and the rotating disc passes through The card column, which is packed into the card slot, to be realized and pull rod linkage.
The resetting-mechanism for being used for exhaust valve further includes for providing elastic-restoring force to institute in one of the embodiments, State the second return unit of lock piece.
The resetting-mechanism for being used for exhaust valve further includes motion bar moving up and down, institute in one of the embodiments, It states rotating member and is equipped with the extruding inclined-plane tilted down, the top of the motion bar contradicts the extruding inclined-plane, the motion bar Bottom end connect or offsets with the second end of the lever.
A kind of pot cover component, including pot cover ontology, exhaust valve and the above-mentioned resetting-mechanism for exhaust valve, the pot cover sheet Body has installation cavity, and the lever, the first return unit, pull rod and the lock piece are installed in the installation cavity.
Above-mentioned pot cover component is in use, user need to only rotate a rotating member, i.e., openable exhaust valve, and this is used to be vented The resetting-mechanism of valve can guarantee that exhaust valve is persistently vented.When user opens pot cover ontology, the above-mentioned reset machine for exhaust valve Structure can be realized exhaust valve and automatically reset to sealing state, additionally goes to be sealed exhaust valve operation without user, also be not present Because user forget on exhaust valve reset due to influence to cook again effect the problem of.
A kind of pressure cooker, including above-mentioned pot cover component.
Above-mentioned pressure cooker is in use, user need to only rotate a rotating member, i.e., openable exhaust valve, and this is used for exhaust valve Resetting-mechanism can guarantee that exhaust valve is persistently vented.When user opens pot cover ontology, the above-mentioned resetting-mechanism for exhaust valve Can be realized exhaust valve to automatically reset to sealing state, additionally go to be sealed exhaust valve operation without user, also there is no because User forget on exhaust valve reset and influence cook again effect the problem of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pot cover component described in one embodiment of the invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the schematic diagram of internal structure of Fig. 1;
Fig. 4 is the connection schematic diagram of exhaust valve and the resetting-mechanism for exhaust valve described in Fig. 2;
Fig. 5 is the main view of Fig. 4;
Fig. 6 is the decomposition view described in Fig. 4 between position-arresting disk and the rotating member;
Fig. 7 is the structural schematic diagram of rotating member described in Fig. 6.
10, pot cover component, 100, for the resetting-mechanism of exhaust valve, 110, lever, 120, rotating member, 121, unidirectional closure Slideway, the 1211, first slideway, the 1212, second slideway, 1213, third slideway, the 1214, the 4th slideway, 122, locating slot, 123, Extruding inclined-plane, the 130, first return unit, 140, pull rod, 141, abutting part, 142, card slot, 150, lock piece, 151, rotating disc, 1511, card column, 152, position-arresting disk, 153, locking-bar, the 1531, first vertical bar, 1532, intermediate bar, the 1533, second vertical bar, 156, Connecting rod, 157, pilot pin, the 1571, first bar portion, the 1572, second bar portion, the 160, second return unit, 170, motion bar, 180, bullet Property part, 200, exhaust valve, 300, pot cover ontology, 310, installation cavity.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are For illustrative purposes.Heretofore described " first ", " second ", " third " do not represent specific quantity and sequence, only Differentiation for title.
A kind of technical solution of pressure cooker is provided in one embodiment of the invention.The pressure cooker includes pot and pot cover component 10.Pot cover component 10 removably covers in pot body.Fig. 1 is the structural schematic diagram of the pot cover component 10.Fig. 2 is the section view of Fig. 1 Figure, Fig. 3 are the schematic diagram of internal structure of pot cover component 10 in Fig. 1.In conjunction with Fig. 1 to Fig. 3, which includes pot cover ontology 300, exhaust valve 200 and the resetting-mechanism 100 for exhaust valve.
Wherein, which includes lever 110, rotating member 120, the first return unit 130, draws Bar 140 and lock piece 150.Pot cover ontology 300 has installation cavity 310.Lever 110, the first return unit 130, pull rod 140 and locking Part 150 is installed in installation cavity 310.The first end of lever 110 is for jacking up exhaust valve 200, the second end and rotation of lever 110 Part 120 offsets.Rotating member 120 has exhaust position and reset position, when rotating member 120 turns to exhaust position, rotating member 120 The second end of activation lever 110 moves down, and lock piece 150 carries out locking limit to rotating member 120.Rotating member 120 turns to multiple When the position of position, rotating member 120 drives the second end of lever 110 to move up.First return unit 130 is for driving rotating member 120 from row Gas position turns to reset position.
Pull rod 140 can moving radially along pot cover ontology 300, one end of pull rod 140 is equipped with abutting part 141, abutting part 141 For contradicting the pot tooth of pot body, the other end of pull rod 140 is for driving lock piece 150 mobile.The pot of the conflict pot body of abutting part 141 When tooth, pull rod 140 drives lock piece 150 mobile, limits so that lock piece 150 is released to the locking of rotating member 120.It needs to illustrate , pot tooth is that the pot body side of pressure cooker outwardly protrudes and is formed by structure.When rotating pot cover ontology 300, abutting part 141 It can be moved with pot cover ontology 300.After pot cover ontology 300 rotates by a certain angle, abutting part 141 can push up the outside of pot tooth Edge, so that the outer edge that abutting part 141 will receive pot tooth squeezes and the radially outward side that drives pull rod 140 along pot cover ontology 300 It is mobile.
Above-mentioned 100 use process of resetting-mechanism for exhaust valve are as follows: when exhaust valve 200 needs to be vented, rotating member 120 Turning to exhaust position, then the second end of 120 activation lever 110 of rotating member moves down, and correspondingly, the first end of lever 110 tilts, To jack up exhaust valve 200, realize that exhaust valve 200 is vented, and lock piece 150 carries out locking limit to rotating member 120 at this time, makes Obtaining exhaust valve 200 can continue to be vented.After exhaust valve 200 is vented, user rotates pot cover ontology 300 to open pot cover group When part 10, the abutting part 141 of pull rod 140 pot cover ontology 300 can rotate to contradict the pot tooth for arriving pot body, thus pull rod therewith 140 driving lock pieces 150 are mobile, limit so that lock piece 150 is released to the locking of rotating member 120.Rotating member 120 is not being locked Under the position-limiting action of stop member 150, reset position, and then band can be turned to from exhaust position under the driving of the first return unit 130 The second end of dynamic lever 110 moves up, and correspondingly, the first end of lever 110 moves down, and exhaust valve 200 is reset to sealing state.Cause This, user need to only rotate a rotating member 120, i.e., openable exhaust valve 200, and the above-mentioned resetting-mechanism 100 for exhaust valve It can guarantee that exhaust valve 200 is persistently vented.When user opens pot cover ontology 300, above-mentioned 100 energy of resetting-mechanism for exhaust valve It enough realizes that exhaust valve 200 automatically resets to sealing state, additionally goes to be sealed the operation of exhaust valve 200 without user, also not deposit Because user forget on exhaust valve 200 reset due to influence to cook again effect the problem of.
Correspondingly, above-mentioned pot cover component 10 is in use, user need to only rotate a rotating member 120, i.e., openable exhaust valve 200, and the resetting-mechanism 100 for being used for exhaust valve can guarantee that exhaust valve 200 is persistently vented.User opens pot cover ontology 300 When, exhaust valve 200 automatically resets to sealing state, additionally go to be sealed the operation of exhaust valve 200 without user, also there is no because User forget on exhaust valve 200 reset and influence cook again effect the problem of.Similarly, above-mentioned pressure cooker is in use, in user When Unscrew pot cover ontology 300, the abutting part 141 of pull rod 140 can rotate therewith pot cover ontology 300 and contradict the pot for arriving pot body Tooth, automatically resets to trigger exhaust valve 200 to sealing state, additionally goes to be sealed the operation of exhaust valve 200 without user, There is no because user forget on exhaust valve 200 reset due to influence to cook again effect the problem of.
It should be noted that lock piece 150 realizes that there are many mode for carrying out locking limit to rotating member 120, lock piece 150 Electromagnetic switch structure can be used, purely mechanic position limiting structure can also be used.For example, rotating member 120 is equipped in conjunction with fig. 4 to fig. 6 Unidirectional closure slideway 121.Unidirectional closure slideway 121 is equipped with locating slot 122.Lock piece 150 includes rotating disc 151, position-arresting disk 152 With locking-bar 153.Pull rod 140 is for driving rotating disc 151 to rotate, and position-arresting disk 152 is connect with rotating disc 151, thus pull rod 140 Position-arresting disk 152 can be driven to rotate.The fixing end of locking-bar 153 is connected to position-arresting disk 152, the positive stop end activity of locking-bar 153 It is set in unidirectionally closure slideway 121, so that the positive stop end of locking-bar 153 can carry out unidirectionally in unidirectionally closure slideway 121 Shuttling movement.Specifically, when rotating member 120 rotates --- such as rotating counterclockwise --- to exhaust position, locking-bar 153 Positive stop end slides into locating slot 122, so that the positive stop end of locking-bar 153 can prevent rotating member 120 from continuing to rotate, is also prevented from Rotating member 120 returns back to reset position under the reset force effect of the first return unit 130, realizes and limits 120 locking of rotating member, I.e. lever 110 is able to maintain lasting jack-up exhaust valve 200, so that exhaust valve 200 is persistently vented.When user unscrews pot cover ontology When 300, abutting part 141 can contradict the pot tooth of pot body as pot cover ontology 300 rotates.Due to the outer edge convex of pot tooth It rises, will push being moved radially outward along pot cover ontology 300 of abutting part 141, and then pull rod 140 is in the diameter along pot cover ontology 300 To while being displaced outwardly, lock piece 150 is driven to rotate --- such as clockwise, determine so that the positive stop end of locking-bar 153 leaves Position slot 122, to release the locking limit to rotating member 120, and then rotating member 120 returns to again under the effect of the first return unit 130 Position position, lever 110 no longer jack up exhaust valve 200, and the realization of exhaust valve 200 automatically returns to sealing state.
Specifically, in conjunction with Fig. 6 and Fig. 7, the unidirectional slideway 121 that is closed includes sequentially connected first slideway 1211 of head and the tail, the Two slideways 1212, third slideway 1213 and the 4th slideway 1214, third slideway 1213 are equipped with locating slot 122.Rotating member 120 is from again Position position turns to during exhaust position, and the positive stop end of locking-bar 153 is slided by the first slideway 1211 through the second slideway 1212 To the locating slot 122 of third slideway 1213.Note that being that rotating member 120 rotates here, i.e., unidirectionally closure slideway 121 rotates, lock The positive stop end of button bar 153 is motionless, so that the positive stop end of locking-bar 153 can be mobile relative to unidirectional closure slideway 121, enters In locating slot 122.When user unscrews pot cover ontology 300, abutting part 141 contradicts the pot tooth of pot body, and then pull rod 140 is with turn Moving plate 151, position-arresting disk 152 and the locking-bar 153 being fixed on position-arresting disk 152, then the positive stop end of locking-bar 153 is by third slideway 1213 locating slot 122 slides into the 4th slideway 1214.After the positive stop end of locking-bar 153 removes locating slot 122, rotating member 120 just can be turned back to reset position under the action of the first return unit 130, and then lever 110 no longer jacks up exhaust valve 200, Exhaust valve 200 restores automatically to sealing state.
Wherein, unidirectionally closure slideway 121 includes multiple sub- slideways, convenient for designing the positive stop end of locking-bar 153 in not same order The moving distance of section.For example, turning to the rotational angle of exhaust position from reset position according to rotating member 120, correspondence is locked The moving distance of the positive stop end of button bar 153 in this stage, it is sliding by the first slideway 1211 of design, the second slideway 1212 and third The track in road 1213, so that the positive stop end of locking-bar 153 slides into locating slot 122 when rotating member 120 goes to exhaust position It is interior.
Specifically, in conjunction with fig. 4 to fig. 6, lock piece 150 further includes connecting rod 156.The bottom end of connecting rod 156 and rotating disc 151 connect It connects, the top of connecting rod 156 is connect with position-arresting disk 152, and rotating member 120 is rotatably sleeved on connecting rod 156.In this way, position-arresting disk 152, rotating member 120 and rotating disc 151 are set gradually from top to bottom along the bar length direction of connecting rod 156, compact-sized, convenient for mutual Cooperation.The upper surface of rotating member 120 be equipped with unidirectional close passage, locking-bar 153 include sequentially connected first vertical bar 1531, in Between bar 1532 and the second vertical bar 1533.One end of first vertical bar 1531 is exposed to the upper surface of position-arresting disk 152, and intermediate bar 1532 Between position-arresting disk 152 and rotating member 120, the end of the second vertical bar 1533 is movably set in unidirectional close passage, then unidirectionally Close passage and locking-bar 153 lead to generally between position-arresting disk 152 and rotating member 120 convenient for locking-bar 153 and unidirectional closure Between road matching resultant motion and to rotating member 120 carry out locking limit, also avoid both other structures parts cooperative movement.Wherein, First vertical bar 1531 is the fixing end of locking-bar 153, and the second vertical bar 1533 is the positive stop end of locking-bar 153.When user unscrews pot When lid ontology 300, abutting part 141 contradicts the pot tooth of pot body, and rotating disc 151 rotates, and is able to drive position-arresting disk 152 and the first vertical bar 1531 rotations, and then the second vertical bar 1533 is driven to move in unidirectional close passage.
Optionally, the first return unit 130 is spring, and spring is socketed on connecting rod 156, and one end of spring is fixed on pot cover sheet On body 300, the other end is fixed on rotating member 120.
Further, in conjunction with Fig. 4 and Fig. 6, lock piece 150 further includes pilot pin 157, and the side of position-arresting disk 152 is equipped with the One jack hole, connecting rod 156 are equipped with the second jack hole corresponding with the first jack hole, and pilot pin 157 includes interconnected first Bar portion 1571 and the second bar portion 1572, the first bar portion 1571 are arranged in the first jack hole and the second jack hole, the second bar portion 1572 contradict the exposed portion of the first vertical bar 1531, to keep the second vertical bar 1533 to be located in unidirectional close passage.In addition, first Bar portion 1571 and 1572 approximation of the second bar portion are parallel to each other.Second bar portion 1572 is equipped with bending recess, to accommodate the first vertical bar 1531 exposed portion preferably contradicts and supports the first vertical bar 1531.
It is previously mentioned, pull rod 140 can drive lock piece 150 mobile, and there are many implementation.For example, one wherein In embodiment, in conjunction with Fig. 4, pull rod 140 is equipped with card slot 142, and rotating disc 151 is equipped with card column 1511, and rotating disc 151 passes through card column 1511 are packed into realization in card slot 142 links with pull rod 140.
It needs to add explanation, in the present embodiment, in conjunction with Fig. 4, which further includes being used for Elastic-restoring force is provided to the second return unit 160 of lock piece 150.It is previously mentioned, user rotates pot cover ontology 300 to open pot When cap assemblies 10, the abutting part 141 of pull rod 140 contradicts the pot tooth for arriving pot body, so that pull rod 140 drives lock piece 150 mobile, with Lock piece 150 is released to limit the locking of rotating member 120.When pot cover ontology 300 continues to rotate, the abutting part 141 of pull rod 140 Pot tooth can be left, under the obstruction of not pot tooth, the second return unit 160 drives lock piece 150 to reset.
Optionally, in conjunction with Fig. 4, connecting rod 156 and rotating disc 151 these technical characteristics are mentioned according to aforementioned embodiment, Second return unit 160 can be spring, and spring is socketed on connecting rod 156, and one end of spring is fixed on pot cover ontology 300, spring The other end connect with rotating disc 151.
Optionally, in conjunction with Fig. 4, which further includes elastic component 180, and elastic component 180 is used for An elastic force is provided to abutting part 141, so that abutting part 141 keeps contradicting the outer edge of pot body.
On the basis of previous embodiment, in conjunction with Fig. 4, the resetting-mechanism 100 for being used for exhaust valve further include can on move down Dynamic motion bar 170, rotating member 120 are equipped with the extruding inclined-plane 123 tilted down, and the top of motion bar 170, which contradicts, squeezes inclined-plane 123, the bottom end of motion bar 170 connect or offsets with the second end of lever 110, to realize that rotating member 120 being capable of activation lever 110 second end moves down.When rotating member 120 turns to exhaust position by reset position, squeezes inclined-plane 123 and constantly squeeze simultaneously The second end of lever 110 is pushed to move down, so that exhaust valve 200 is jacked up by lever 110.It is appreciated that rotating member 120 can drive The mode that the second end of lever 110 moves down is there are also very much, for example, the resetting-mechanism 100 for being used for exhaust valve further includes sliding block, it is sliding Block has the extruding inclined-plane 123.In this way, rotating member 120, which pushes, to be slided when rotating member 120 turns to exhaust position by reset position Block sliding realizes that exhaust valve 200 is pushed up by lever 110 so that the extruding inclined-plane 123 of sliding block pushes the second end of lever 110 to move down It rises.For another example, which further includes the actuator moved down for the second end of activation lever 110. When rotating member 120 turns to exhaust position by reset position, rotating member 120 can trigger actuator, thus actuator activation lever 110 second end moves down.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of resetting-mechanism for exhaust valve, which is characterized in that including lever, rotating member, the first return unit, pull rod and lock Stop member, for jacking up the exhaust valve, the second end of the lever offsets the first end of the lever with the rotating member;
The rotating member has exhaust position and reset position, when the rotating member turns to the exhaust position, the rotation Part drives the second end of the lever to move down, and the lock piece carries out locking limit to the rotating member;The rotating member turns When moving to the reset position, the rotating member drives the second end of the lever to move up;First return unit is for driving The rotating member turns to the reset position from the exhaust position;
The pull rod can moving radially along pot cover ontology, one end of the pull rod is equipped with abutting part, and the abutting part is for supporting The pot tooth of pot body is touched, the other end of the pull rod is for driving the lock piece mobile;The abutting part contradicts the pot body When pot tooth, the pull rod drives the lock piece mobile, limits so that the lock piece is released to the locking of the rotating member.
2. the resetting-mechanism according to claim 1 for exhaust valve, which is characterized in that the rotating member is equipped with and unidirectionally closes Slideway is closed, the unidirectional closure slideway is equipped with locating slot, and the lock piece includes rotating disc, position-arresting disk and locking-bar, the drawing Bar is for driving the turn disc, and the position-arresting disk is connect with the rotating disc, and the fixing end of the locking-bar is connected to The position-arresting disk, the positive stop end of the locking-bar are movably set in the unidirectional closure slideway;The rotating member turns to institute When stating exhaust position, the positive stop end of the locking-bar is slid into the locating slot, and the rotating member locking is limited;It is described When abutting part contradicts the pot tooth of the pot body, the pull rod drives the lock piece rotation, thus the positive stop end of the locking-bar The locating slot is left, to release the locking limit to the rotating member.
3. the resetting-mechanism according to claim 2 for exhaust valve, which is characterized in that the unidirectional closure slideway includes Sequentially connected first slideway, the second slideway, third slideway and the 4th slideway from beginning to end, the third slideway are equipped with the positioning Slot;During the rotating member turns to the exhaust position from the reset position, the positive stop end of the locking-bar is by described First slideway is slid into through second slideway in the locating slot of the third slideway;The abutting part contradicts the pot of the pot body When tooth, the positive stop end of the locking-bar slides into the 4th slideway by the locating slot of the third slideway.
4. the resetting-mechanism according to claim 2 for exhaust valve, which is characterized in that the lock piece further includes connecting Bar, the bottom end of the connecting rod are connect with the rotating disc, and the top of the connecting rod is connect with the position-arresting disk, and the rotating member can It is rotationally set on the connecting rod, the upper surface of the rotating member is equipped with the unidirectional close passage, and the locking-bar includes One end of sequentially connected first vertical bar, intermediate bar and the second vertical bar, first vertical bar is exposed to the upper table of the position-arresting disk Face, between the position-arresting disk and the rotating member, the end of second vertical bar is movably set in described the intermediate bar In unidirectional close passage.
5. the resetting-mechanism according to claim 4 for exhaust valve, which is characterized in that the lock piece further includes positioning Needle, the side of the position-arresting disk are equipped with the first jack hole, and the connecting rod is worn equipped with corresponding with first jack hole second and connect Hole, the pilot pin include the first bar portion and the second bar portion interconnected, and first bar portion, which is arranged in described first, wears and connect In hole and second jack hole, second bar portion contradicts the exposed portion of first vertical bar, to keep described second to erect Bar is located in the unidirectional close passage.
6. the resetting-mechanism according to claim 2 for exhaust valve, which is characterized in that the pull rod is equipped with card slot, institute Rotating disc is stated equipped with card column, the rotating disc is packed into realization and the pull rod in the card slot by the card column and links.
7. the resetting-mechanism according to claim 1 for exhaust valve, which is characterized in that further include being returned for providing elasticity Multiple power gives the second return unit of the lock piece.
8. according to claim 1 to the resetting-mechanism for being used for exhaust valve described in 7 any one, which is characterized in that described to be used for The resetting-mechanism of exhaust valve further includes motion bar moving up and down, and the rotating member is equipped with the extruding inclined-plane tilted down, institute The top for stating motion bar contradicts the extruding inclined-plane, and the bottom end of the motion bar connect or offsets with the second end of the lever.
9. a kind of pot cover component, which is characterized in that including pot cover ontology, exhaust valve and as described in claim 1 to 8 any one The resetting-mechanism for exhaust valve, the pot cover ontology has installation cavity, the lever, the first return unit, pull rod and described Lock piece is installed in the installation cavity.
10. a kind of pressure cooker, which is characterized in that including pot cover component as claimed in claim 9.
CN201811396816.5A 2018-11-22 2018-11-22 Pressure cooker and cover assembly thereof and reset mechanism for exhaust valve Active CN109316056B (en)

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