CN201019520Y - Electric pressure cooker cover self-locking device - Google Patents
Electric pressure cooker cover self-locking device Download PDFInfo
- Publication number
- CN201019520Y CN201019520Y CNU2007200521894U CN200720052189U CN201019520Y CN 201019520 Y CN201019520 Y CN 201019520Y CN U2007200521894 U CNU2007200521894 U CN U2007200521894U CN 200720052189 U CN200720052189 U CN 200720052189U CN 201019520 Y CN201019520 Y CN 201019520Y
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- China
- Prior art keywords
- push rod
- pot cover
- connecting plate
- rod connecting
- handle
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- Expired - Fee Related
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Abstract
The utility model discloses a pot cover self locking mechanism of electric pressure cooker, which comprises a pot cover and a handle arranged on the pot cover, the lateral wall of the pot cover and the handle is provided with a movable push rod which can move in level, the top surface of the pot cover and the handle is provided with a float which can move in longitudinal, a push rod linkage plate linked with the movable push rod is also arranged between the pot cover and the handle, one end of the push rod linkage plate is fixed on the movable push rod, the free end is provided with a through hole which can accommodate the longitudinal movement of the float, the free end of the push rod linkage plate is also provided with a push rod linkage plate positioning shelf which can maintain the vertical height of the through hole. During the horizontal reciprocating movement of the push rod linkage plate, the push rod linkage plate positioning shelf always supports the free end of the push rod linkage plate, limiting the vertical height of the through hole on the push rod linkage plate, the phenomenon that the free end of the push rod linkage plate is inclined downwards because of the deadweight or the wear is avoided, thus ensuring that the through hole of the push rod linkage plate will not be intervened with the float under the situation that the internal pressure and the external pressure of the electric pressure cooker are balanced, so the pot cover can be smoothly opened or closed when the electric pressure cooker is used for a long time.
Description
Technical field
The utility model relates to a kind of electric pressure cooking saucepan, particularly a kind of improvement technology of electric pressure cooking saucepan pot cover self-locking device.
Technical background
The electric pressure cooking saucepan of selling on the domestic and international market all is provided with the pot cover self-locking device usually at present, can not open pot cover when the pot external and internal pressure reaches balance.A kind of safety locking mechanism of electric pressure cooking saucepan pot cover is disclosed as Chinese patent 200320119447.8, as shown in Figure 4, it comprises pot cover, handle, on pot cover surface and sidewall, respectively be provided with a through hole, also respectively be provided with a through hole on handle surface and the sidewall, between handle and pot cover, be provided with one in flakes, in flakes along the radial arrangement of pot cover, an end is provided with a through hole in flakes, this through hole is between the two through hole on pot cover and the handle sidewall, in three through holes, be provided with a slide bar, in flakes with the slide bar interlock, in flakes and be with a back-moving spring on the slide bar between the handle, the other end in flakes also is provided with a through hole, this through hole can or stagger with pot cover and the lip-deep two through hole up/down perforation of handle with move left and right in flakes, but inlays the float that an easy on and off moves in the through hole of pot cover upper surface, and float is along with the through hole on handle surface, can put in the through hole on handle surface in flakes during the through hole up/down perforation of through hole on the end and pot cover surface.This safety locking mechanism can ensure the smooth unlatching and the closure of electric pressure cooking saucepan pot cover in theory effectively.But in actual applications, owing to itself be a kind of cantilever design in flakes, and fixing in flakes slide bar is when sliding in the hole of pot cover and handle sidewall, because machining gap and friction for a long time, the slide bar free degree radially is increasing, under the effect of gravity, free end is downward-sloping in flakes, and its through hole horizontal plane is usually less than theoretical height.When the pot internal and external pressure balance, when dropping to extreme lower position, float opens pot cover, because free end has a down dip in flakes, make that through hole and the float on it interferes, thereby do not open pot cover or be difficult to successfully open pot cover.And closing lid and to uncap is a mutual converse action, the pot cover that therefore is difficult to equally successfully the close pot cover that maybe can't close is made troubles to the user.
Summary of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of modified electric pressure cooking saucepan pot cover self-locking device is provided, solve the interference problem of electric pressure cooking saucepan pot cover self-locking device, thereby guarantee under the situation of electric pressure cooking saucepan, smoothly the opening and closing lid at inside and outside air pressure balance.
The technical scheme of the utility model electric pressure cooking saucepan pot cover self-locking device is: a kind of pot cover self-locking device of electric pressure cooking saucepan, comprise pot cover and the handle that is arranged on the pot cover, sidewall at pot cover and handle is provided with the movable push bar that can move horizontally, the end face of pot cover and handle is provided with the float that vertically moves, also be provided with push rod connecting plate between pot cover and the handle with the movable push bar interlock, one end of push rod connecting plate is fixed on the movable push bar, free end is provided with and holds the through hole that float vertically moves, and it is characterized in that: the free end at the push rod connecting plate is provided with the push rod connecting plate locating rack that keeps its through hole vertical height.
Described push rod connecting plate locating rack have with described push rod connecting plate on the vertical supporting surface of through-bore axis, described supporting surface has to move horizontally at movable push bar and supports the free-ended width of push rod connecting plate in the process all the time.
Described supporting surface is provided with the breach or the through hole of empty avoiding float.
As further improvement of the utility model, described handle is provided with and limits the chute of push rod connecting plate along the slippage of pot cover radial level, and the width of described chute matches with the free-ended width of push rod connecting plate.This chute can limit the push rod connecting plate and can not swing in the horizontal direction, thereby has further guaranteed the smooth opening and closing lid of electric pressure cooking saucepan.
The beneficial effects of the utility model are, by push rod connecting plate free end a push rod connecting plate locating rack is set at the pot cover self-locking device, move back and forth in the process in push rod connecting plate level, all the time support the free end of push pedal connecting rod, limit the vertical height of through hole on the push rod connecting plate, avoid making that owing to the reason of deadweight or wearing and tearing the free end of push rod connecting plate is downward-sloping, thereby guarantee that through hole and float on the situation lower push-rod connecting plate of the inside and outside air pressure balance of electric pressure cooking saucepan can not interfere, make under the situation all opening and closing smoothly of its pot cover for a long time at electric pressure cooking saucepan.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model pot cover self-locking device;
Accompanying drawing 2 is the upward view (pot cover and movable push bar are not shown) of Fig. 1;
Accompanying drawing 3 is the stereogram of push rod connecting plate locating rack among Fig. 1;
Accompanying drawing 4 is the electric pressure cooking saucepan pot cover self-locking device of prior art;
Among the figure: 1, pot cover; 11, hole; 12, hole; 2, handle; 21, hole; 22, hole; 3, push rod connecting plate; 31, through hole; 4, movable push bar; 5, back-moving spring; 6, push rod connecting plate locating rack; 61, breach; 7, chute; 9, float.
The specific embodiment
Be described further below in conjunction with the pot cover self-locking device of drawings and the specific embodiments this practical electric pressure cooking saucepan.
Shown in accompanying drawing 1 to 3, the electric pressure cooking saucepan pot cover self-locking device of wood utility model, comprise pot cover 1, be arranged on the handle 2 on pot cover 1 top, be respectively equipped with the hole 12,22 of mutual perforation in the side of pot cover 1 and handle 2, also be respectively equipped with the hole 11,21 of mutual perforation on the top of pot cover 1 and handle 2, be provided with the movable push bar 4 of a band back-moving spring 5 in the hole 12,22 of pot cover 1 and handle 2 sides, under the effect of external force and back-moving spring 5, but movable push bar 4 levels move back and forth.Movable push bar 4 is under free state, and an end is concordant with the outer surface of handle 2, and the other end stretches out in the inner surface of pot cover 1.Be provided with push rod connecting plate 3 between pot cover 1 and handle 2, an end of push rod connecting plate 3 is fixedly connected on the movable push bar 4, with movable push bar 4 interlocks.The other end (free end) of push rod connection 3 is provided with a through hole 31, and the hole 11,21 on this through hole and pot cover 1 and handle 2 tops connects mutually, vertically moves back and forth in three holes 11,21,31 of above-mentioned mutual perforation to hold a float 9.Be provided with the chute consistent with its width 7 with the corresponding position of push rod connecting plate 3 free ends on handle 2, push rod connecting plate 3 can be done along pot cover 1 horizontal slip radially in chute 7 under movable push bar drives.In the bottom of through hole 31, be provided with push rod connecting plate locating rack 6 of " several " font, the supporting surface of its " several " font bottom is used for keeping movable push bar 4 to move horizontally process, the vertical height at through hole 31 places on the push rod connecting plate 3.Simultaneously, movable push bar 4 moves horizontally in the process, and push rod connecting plate locating rack 6 supports the free end of push rod connecting plate 3 all the time.Two ends of push rod connecting plate locating rack 6 are fixed on the handle 2 by trip bolt.Wherein, on the supporting surface of push rod connecting plate locating rack 6, also be provided with breach 61, interfere with the motion that prevents this part and float 9.When the increase of pot inner pressure, float 9 moves upward, and passes the through hole 31 on the push rod connecting plate 3, and the movable push bar 4 with push rod connecting plate 3 one can not be moved horizontally along chute 7, and pot cover 1 has been realized locking.When pot inner pressure dropped to pot external pressure balance, float dropped to through hole 31 positions of push rod connecting plate 3 when following, promptly removes the locking to pot cover 1.
When the pot cover self-locking device in long-term use, the free end of push rod connecting plate 3 is downward-sloping, owing to be provided with push rod connecting plate locating rack 6 in this self-locking device, make push rod connecting plate 3 free-ended through hole 31 horizontal planes remain on definite height, thereby under the situation of the inside and outside air pressure balance of electric pressure cooking saucepan, float 9 drops to the position of setting, through hole 31 on the push rod connecting plate 3 remains on definite height by connecting plate locating rack 6, therefore guarantee that this through hole 31 can not interfere with float 9, its pot cover is opening and closing smoothly.Simultaneously, chute 7 has guaranteed that also push rod connecting plate 4 can not swing in the horizontal direction in slipping, thereby has further guaranteed the smooth opening and closing lid of electric pressure cooking saucepan.
Wherein, the shape of push rod connecting plate locating rack 6 can be in-line or other shape, simultaneously also can be according to the difference of its shape, and select to be fixed on the pot cover 1 or on the handle 2.
Claims (7)
1. the pot cover self-locking device of an electric pressure cooking saucepan, comprise pot cover and the handle that is arranged on the pot cover, the sidewall of pot cover and handle is provided with the movable push bar that can move horizontally, the end face of pot cover and handle is provided with the float that vertically moves, also be provided with push rod connecting plate between pot cover and the handle with the movable push bar interlock, one end of push rod connecting plate is fixed on the movable push bar, the free end of push rod connecting plate is provided with and holds the through hole that float vertically moves, and it is characterized in that: the free end at the push rod connecting plate is provided with the push rod connecting plate locating rack that keeps its through hole vertical height.
2. the pot cover self-locking device of electric pressure cooking saucepan according to claim 1, it is characterized in that: described push rod connecting plate locating rack have with described push rod connecting plate on the vertical supporting surface of through-bore axis, described supporting surface has to move horizontally at movable push bar and supports the free-ended width of push rod connecting plate in the process all the time.
3. the pot cover self-locking device of electric pressure cooking saucepan according to claim 2, it is characterized in that: described supporting surface is provided with the breach or the through hole of empty avoiding float.
4. according to the pot cover self-locking device of each described electric pressure cooking saucepan of claim 1 to 3, it is characterized in that: described push rod connecting plate locating rack is wholely set on pot cover or handle.
5. according to the pot cover self-locking device of each described electric pressure cooking saucepan of claim 1 to 3, it is characterized in that: described push rod connecting plate locating rack clamping or fixedly be connected on pot cover or the handle by securing member.
6. the pot cover self-locking device of electric pressure cooking saucepan according to claim 5, it is characterized in that: described push rod connecting plate locating rack is down " several " font, and supporting surface is arranged on " several " font bottom, and two ends of " several " font are fixed on the handle.
7. according to the pot cover self-locking device of each described electric pressure cooking saucepan of claim 1 to 3, it is characterized in that: described handle is provided with and limits the chute of push rod connecting plate along the slippage of pot cover radial level, and the width of described chute matches with the free-ended width of push rod connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200521894U CN201019520Y (en) | 2007-05-30 | 2007-05-30 | Electric pressure cooker cover self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200521894U CN201019520Y (en) | 2007-05-30 | 2007-05-30 | Electric pressure cooker cover self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201019520Y true CN201019520Y (en) | 2008-02-13 |
Family
ID=39086922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200521894U Expired - Fee Related CN201019520Y (en) | 2007-05-30 | 2007-05-30 | Electric pressure cooker cover self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201019520Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102264263B (en) * | 2010-01-07 | 2014-10-01 | Ttk普莱斯蒂有限公司 | Microwave pressure cooker |
| CN107028488A (en) * | 2017-05-15 | 2017-08-11 | 珠海格力电器股份有限公司 | Pot cover and cooking appliance |
-
2007
- 2007-05-30 CN CNU2007200521894U patent/CN201019520Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102264263B (en) * | 2010-01-07 | 2014-10-01 | Ttk普莱斯蒂有限公司 | Microwave pressure cooker |
| CN107028488A (en) * | 2017-05-15 | 2017-08-11 | 珠海格力电器股份有限公司 | Pot cover and cooking appliance |
| CN107028488B (en) * | 2017-05-15 | 2022-07-12 | 珠海格力电器股份有限公司 | Pot cover and cooking utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20140530 |