CN201097978Y - Pressure self-locking device for pressure cooker - Google Patents
Pressure self-locking device for pressure cooker Download PDFInfo
- Publication number
- CN201097978Y CN201097978Y CNU2007200561232U CN200720056123U CN201097978Y CN 201097978 Y CN201097978 Y CN 201097978Y CN U2007200561232 U CNU2007200561232 U CN U2007200561232U CN 200720056123 U CN200720056123 U CN 200720056123U CN 201097978 Y CN201097978 Y CN 201097978Y
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- cover
- locking
- self
- pressure
- locking device
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Abstract
A pressure self-locking device of a pressure cooker comprises a cooker body, an outer cover as well as a top cover handle, a locking cover and an inner cover which are connected in turn, wherein a buckle hook of the locking cover is in rotary buckling with the flange of the cooker body; the inner cover is pressed between an inner bag and the locking cover; the outer cover is arranged above the locking cover which is provided with a self-locking valve; the self-locking valve floats up and down; the circumference of the outer cover corresponding to the self-locking valve is provided with a locking piece mechanism; the top surface of the locking cover is in slide connection with the bottom surface of the outer cover; moreover, a self-locking valve is arranged within the scope corresponding to the central round hole of the outer cover; the outer cover is ring-shaped; the internal wall of the central round hole is provided with a left stop part and a right stop part; the left stop part which extends towards the center of the central round hole extends out from a locking piece. When the inside of the pressure cooker is under certain air pressure, the self-locking valve arranged on the locking cover floats off and the locking cover is turned; meanwhile, the self-locking valve is stopped by the locking piece and can not be turned continuously; therefore, the cover body can not be opened and can only be opened till the air pressure inside the cooker is lowered to a safety state, thereby having the function of overpressure protection. The pressure self-locking device has a simple and reasonable structure, safe use and wide application scope.
Description
Technical field
The utility model relates to the pressure self-locking device of a kind of pressure cooker, particularly pressure cooker.
Background technology
The pressure self-locking of existing pressure cooker generally constitutes by assemblies such as push rod, spring, interlock plates, complex structure, and long-term the use because dirt stops up, makes its not even action slow in one's movements, for the user brings potential safety hazard.As disclosed a kind of pressure cooker safety device among the China Patent No. ZL99223079.9, it is that latching valve is installed on pressure cooker cover, latching valve is provided with spool, spool can move up and down under the pot inner pressure effect, be provided with chute in the upper top cover handle, "--" type self-lock rod is arranged in the chute of upper top cover handle, the top of self-lock rod is provided with centre bore, corresponding with the latching valve spool on the pot cover, the bottom of self-lock rod is provided with locating hole, and spring housing is on apical axis, and self-lock rod is under the effect of spring, but back and forth movement in the upper top cover handle runner, the movement travel of self-lock rod is determined by pot body serratd edge.The pressure self-locking device of this structure is made of complex structure self-lock rod, apical axis and spring.At the problems referred to above, technological improvement has been done by producer to this, as disclosed a kind of pressure cooker latching valve with pressure indicating cap among the China Patent No. ZL03262334.8, is the improvement to original pressure cooker pressure indicating cap and latching valve.It is provided with the pressure indicating cap that runs through the valve body upper valve base, and pressure indicating cap is sleeved on the spool guide post, and pressure indicating cap top is provided with the demonstration cap, and the centre is provided with the pressure indicating cap groove, and the bottom is provided with the pressure indicating cap boss, and the bottom is provided with the pressure indicating cap base.The outer diameter of axle of pressure indicating cap base is greater than valve body upper valve base internal orifice dimension, and wherein the bottom of spool guide post is a spool, is provided with boss between spool guide post and the spool, and the lower end of spool is embedded with valve core seal ring.Finish the opening and closing movement of pressure cooker lid with the folding bar.When pot inner pressure rose to certain value, the self-locking spool promoted to move on the pressure indicating cap and stretches out the upper top cover handle, and showing in the pot has pressure, can not uncap; When pot inner pressure dropped to certain value, spool, bonnet whereabouts return can be uncapped safely.When the bonnet of this structure rises, keep off mutually, lid can not be opened, play the pressure self-locking effect, but this structure scope of application is little, can not be applied on other pressure cookers with folding bar in rotation.
The utility model content
The purpose of this utility model aims to provide a kind of applied widely, and the excessive pressure self-locking device that can play the pressure cooker of self-lock protection effect of pressure is to overcome weak point of the prior art.
Press the pressure self-locking device of a kind of pressure cooker of this purpose design, the top cover handle, tightening cover and the inner cap that comprise a pot body, enclosing cover and be linked in sequence, the clasp of tightening cover fastens with the flange rotation of pot body, inner cap is crimped between inner bag and the tightening cover, enclosing cover is arranged on the tightening cover top, its architectural feature is that described tightening cover is provided with latching valve, and latching valve can fluctuate, and the circumference of the corresponding latching valve of enclosing cover is provided with lock dog mechanism.
Described top cover handle is a plate-like, and stretches into the enclosing cover central circular hole after tightening cover is fixedlyed connected; Tightening cover end face outer periphery is equipped with hook, is connected with the chute of enclosing cover inner bottom surface, and is provided with latching valve in the corresponding scope of enclosing cover central circular hole institute.
Enclosing cover in the form of a ring, a side is hinged with the pot body by bearing pin, between be provided with heat radiation seam, inner wall edge axially is provided with reinforcement, the central circular hole inwall is provided with left limit and right limit.Described left limit extends lock dog or lockhole or locking plate to the central circular hole center position, and the lock dog inboard, upright is to being provided with postive stop baffle; Right limit extends reseting baffle straight up, and the baffle plate inboard is provided with lift slope.
When having certain air pressure in the pressure cooker of the present utility model; latching valve come-up on the tightening cover; the rotation lock lid; latching valve and lock dog or lockhole or locking plate stop mutually; can not be rotated further; lid can't be opened, and is reduced to safe condition until the pot internal gas pressure and just can uncaps, and plays the overvoltage self-lock protection.It is simple and reasonable, and is safe in utilization, applicability is strong.
Description of drawings
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 is an A place structure for amplifying schematic diagram among Fig. 1.
Fig. 3 is a B place structure for amplifying schematic diagram among Fig. 1.
Fig. 4 is a C place structure for amplifying schematic diagram among Fig. 1.
Fig. 5 is an enclosing cover backsight structural representation.
Fig. 6 is for renovating backsight structure for amplifying schematic diagram for a short time.
Fig. 7-Fig. 9 is a plurality of angle structure for amplifying schematic diagrames of garment bag.
Figure 10 is the assembly structure schematic diagram of Fig. 1.
Figure 11 is the sectional structure schematic diagram of Figure 10.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, Figure 10 and Figure 11, the pressure self-locking device of this pressure cooker includes pot body 4, enclosing cover 2 and the top cover handle 1 that is linked in sequence, tightening cover 3 and inner cap 13.Enclosing cover 2 in the form of a ring, a side is hinged with pot body 4 by bearing pin 12, between be provided with heat radiation seam 15, the interior end and tightening cover 3 end faces are slidingly connected.Top cover handle 1 is a plate-like, and the middle part is provided with the in-line handle, and stretches into the enclosing cover central circular hole after tightening cover 3 is fixedlyed connected.Rotate the top cover handle, can drive tightening cover and rotate, the clasp 3.3 of tightening cover is fastened with the flange 4.1 of pot body 1 or separate, during separation, enclosing cover 2 opens around bearing pin 12.Tightening cover 3 bases are provided with clasp 3.3; Be provided with the latching valve 9 that is stressed pot internal gas pressure variation and fluctuates in the corresponding enclosing cover central circular hole scope of top, the end face middle part is provided with the concave surface 3.1 that catchments, and the periphery is laid with three hooks 3.2.
Enclosing cover 2 central circular hole inwalls are established left limit 2.2 and right limit 2.1, left limit extends lock dog 2.3 to the central circular hole center position, the lock dog inboard, upright is to being provided with postive stop baffle 2.4, and right limit 2.1 extends reseting baffle 2.6 straight up, and the baffle plate inboard is provided with lift slope 2.5.The enclosing cover inner wall edge axially is provided with reinforcement 2.7, and the hook 3.2 of the corresponding tightening cover 3 of inner bottom surface is provided with chute 2.8, as shown in Figure 4.The top cover handle 1 corresponding left and right spacing breach 1.4 that is provided with, the corresponding left limit 2.2 in top cover handle base is provided with left block 1.5.Breach 1.4 is provided with renovates 5 for a short time, renovates for a short time to be provided with valve opening and to pass through pivot 5.3 to articulate with breach, and is fastened by barb 5.2 and breach both sides, renovates corresponding right limit 2.1 for a short time and is provided with right block 5.1, as shown in Figure 5.Cooperating of left and right spacing and left and right block, can avoid the top cover handle to rotate unnecessary angle, cause tightening cover to fasten and do not line up with the pot body.Rotate the top cover handle, open enclosing cover, open simultaneously and renovate 5 for a short time, be rotated further the top cover handle, spacing until the notch alignment left and right sides, at this moment, the hook of tightening cover and the chute of enclosing cover also break away from, and top cover handle, tightening cover and inner cap can be separated from enclosing cover, are convenient to clean.
The inboard of corresponding postive stop baffle 2.4 and reseting baffle is provided with blast pipe 8 on the tightening cover, and blast pipe stretches out the tightening cover end face, and with the pressure limiting valve socket; Pressure limiting valve includes weight 7, needle and garment bag 6, is provided with a plurality of steam vents 7.1 in the weight, and the garment bag end face is provided with regulates the exhaust outlet 6.3 of dialling hand 6.1 and communicating with steam vent, is provided with a plurality of water conservancy diversion blocks 6.2 near the exhaust outlet inside; The garment bag bottom surface is provided with rabbet 6.5, is slidingly connected with salient point 1.3 on the top cover handle; Bottom outer wall is provided with collision block 6.4, and as Fig. 6-shown in Figure 8, collision block moves in the circular arc of postive stop baffle and reseting baffle, is slidingly connected with lift slope.Top cover handle 1 top also is provided with water sink 1.2, and water sink bottom is provided with water injection hole 1.1, is communicated with the tightening cover 3 tops concave surface 3.1 that catchments, and the edge of tightening cover is arranged on the rhone 4.2 of pot body 4 top margins.Pot body 4 sidepieces are provided with collecting box 10, and the collecting box top is provided with opening, is communicated with rhone; The bottom is an arc surface, and is connected with drainpipe 11, and the drainpipe other end is connected with the boss 4.3 of pot body.
The utility model is applicable to electric pressure cooking saucepan and non-electric pressure cooking saucepan.
Claims (7)
1. the pressure self-locking device of a pressure cooker, comprise a pot body (4), enclosing cover (2) and the top cover handle (1) that is linked in sequence, tightening cover (3) and inner cap (13), the clasp of tightening cover (3.3) fastens with flange (4.1) rotation of pot body, inner cap is crimped between inner bag (14) and the tightening cover, enclosing cover is arranged on the tightening cover top, it is characterized in that tightening cover is provided with latching valve (9), latching valve can fluctuate, and the circumference of the corresponding latching valve of enclosing cover is provided with lock dog mechanism.
2. according to the pressure self-locking device of the described pressure cooker of claim 1, it is characterized in that described top cover handle is a plate-like, and stretch into the enclosing cover central circular hole after tightening cover is fixedlyed connected; Tightening cover end face outer periphery is equipped with hook (3.2), is connected with the chute (2.8) of enclosing cover inner bottom surface, and is provided with latching valve in the corresponding scope of enclosing cover central circular hole institute.
3. according to the pressure self-locking device of the described pressure cooker of claim 2, it is characterized in that described enclosing cover in the form of a ring, one side is hinged with the pot body by bearing pin (12), between be provided with heat radiation seam (15), inner wall edge axially is provided with reinforcement (2.7), and the central circular hole inwall is provided with left limit (2.2) and right limit (2.1).
4. according to the pressure self-locking device of the described pressure cooker of claim 3, it is characterized in that described left limit extends lock dog (2.3) or lockhole or locking plate to the central circular hole center position, the lock dog inboard, upright upwards is provided with postive stop baffle (2.4); Right limit extends reseting baffle (2.6) straight up, and the baffle plate inboard is provided with lift slope (2.5).
5. according to the pressure self-locking device of the described pressure cooker of claim 3, it is characterized in that the corresponding left and right spacing breach (1.4) that is provided with of described top cover handle, be articulated with for a short time on the breach and renovate (5); For a short time renovate and be provided with valve opening and corresponding right limit and be provided with right block (5.2), the corresponding left limit of top cover handle is provided with left block (1.5).
6. according to the pressure self-locking device of the described pressure cooker of claim 2, it is characterized in that described tightening cover is provided with blast pipe (8), blast pipe stretches out the tightening cover end face, and with the pressure limiting valve socket; Pressure limiting valve includes weight (7), needle and plastic sheath (6), be provided with a plurality of steam vents (7.1) in the weight, the plastic sheath end face is provided with regulate to dial hand (6.1)) and the exhaust outlet (6.3) that communicates with steam vent, be provided with a plurality of water conservancy diversion blocks (6.2) near the exhaust outlet inside; The plastic sheath bottom surface is provided with rabbet (6.5), is slidingly connected with salient point (1.3) on the top cover handle; Bottom outer wall is provided with collision block (6.4), and collision block moves in the circular arc of postive stop baffle and reseting baffle, is slidingly connected with lift slope.
7. according to the pressure self-locking device of the described pressure cooker of claim 2, it is characterized in that described top cover handle top is provided with water sink (1.2), the water sink bottom is provided with water injection hole (1.1), is communicated with the tightening cover top, and the edge of tightening cover is arranged on pot rhone of body top margin (4.2); Described pot side portion is provided with collecting box (10), and the collecting box top is provided with opening, is communicated with rhone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200561232U CN201097978Y (en) | 2007-08-23 | 2007-08-23 | Pressure self-locking device for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200561232U CN201097978Y (en) | 2007-08-23 | 2007-08-23 | Pressure self-locking device for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097978Y true CN201097978Y (en) | 2008-08-13 |
Family
ID=39934498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200561232U Expired - Fee Related CN201097978Y (en) | 2007-08-23 | 2007-08-23 | Pressure self-locking device for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097978Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166092A (en) * | 2011-04-22 | 2011-08-31 | 珠海双喜电器有限公司 | Pressure cooker with self-locking device |
| CN104414441A (en) * | 2013-09-02 | 2015-03-18 | 美的集团股份有限公司 | Electric pressure cooker, automatic uncovering device thereof and automatic uncovering control method |
-
2007
- 2007-08-23 CN CNU2007200561232U patent/CN201097978Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166092A (en) * | 2011-04-22 | 2011-08-31 | 珠海双喜电器有限公司 | Pressure cooker with self-locking device |
| CN102166092B (en) * | 2011-04-22 | 2013-05-01 | 珠海双喜电器有限公司 | Pressure cooker with self-locking device |
| CN104414441A (en) * | 2013-09-02 | 2015-03-18 | 美的集团股份有限公司 | Electric pressure cooker, automatic uncovering device thereof and automatic uncovering control method |
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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: 20080813 Termination date: 20130823 |