CN201379415Y - Safe pressure cooker - Google Patents
Safe pressure cooker Download PDFInfo
- Publication number
- CN201379415Y CN201379415Y CN200820206630U CN200820206630U CN201379415Y CN 201379415 Y CN201379415 Y CN 201379415Y CN 200820206630 U CN200820206630 U CN 200820206630U CN 200820206630 U CN200820206630 U CN 200820206630U CN 201379415 Y CN201379415 Y CN 201379415Y
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- pot
- pot cover
- hinge
- pressure
- cover
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of household appliances, in particular to a safe pressure cooker, which comprises a cooker body, a cover, a pressure limiting valve, a hinge and a compressing device, wherein the pressure limiting valve is arranged on the cover; the hinge comprises an upper hinge and a lower hinge; the upper hinge is fixed on the cover, and the lower hinge is fixed on the cooker body; the compressing device is fixed on the cooker body, and comprises a shaft with a hook; a pressure spring is sheathed on the shaft; the cooker body and the cover are elastically connected through the hinge and the compressing device; and when the cooker body and the cover are locked tightly, the hook and the cover are in a hooking state. Because of the elastic connection of the cooker body and the cover through the hinge and the compressing device, if the pressure limiting valve is blocked or failed, pressure in the safe pressure cooker sharply increases; when the pressure is above the work pressure, the spring force of the compressing device can be overcome to open the cover; and a plurality of high-pressure gas in the safe pressure cooker automatically leaks out, the pressure in the safe pressure cooker decreases, and therefore, the safe pressure cooker is prevented from explosion. The utility model has the advantages of simple structure, easy operation, safety and reliability.
Description
Technical field:
The utility model relates to household electrical appliance technical field, particularly a kind of safe pressure cooker.
Background technology:
Advantages such as pressure cooker owing to have saves time, energy-conservation become the cooking pot tool that people use always.But because the exhaust of improper use build-up of pressure pot is stopped up, perhaps owing to problems such as product quality, material agings, the incident of build-up of pressure pot blast happens occasionally, and people's the person and property safety are suffered a loss.At these problems, manufacturer has taked explosion precaution on pressure cooker, for example: have and take molten, but material is easily aging and cause blow-by; Have and on pot cover, open security window, when pressure cooker surpasses setting value, sealing ring is headed into produces pressure release in the security window, but the pressure release value of this structure is too high, be everlasting and just be able to pressure release more than 400 kPas, therefore, intensity reduces after pressure cooker uses certain time limit, and this structure does not just play protective effect; Have and take various relief valves, steam whistle valve, but its disappointing duct area is generally smaller, be plugged easily and malfunctioning.
At present, using maximum pressure cookers is the revolving type pressure cooker, revolving type pressure cooker on the market, in use, food particle might take place block the pressure limiting valve aperture, cause that pressure limiting valve is ineffective, safety valve also lost efficacy, pressure relief device can not automatic vent, the malfunctioning pressure cooker internal pressure that causes of retrocession sharply raises, and complains and quarrel loudly, and causes injury to personnel, property loss.Chinese patent ZL 99215518.5 discloses a kind of revolving type safe pressure cooker, it is made up of pot cover, sealing ring, pot body, and pressure limiting valve and safety valve are housed on the pot cover, it is characterized in that upwards bending of pot edge, the downward corresponding bending in pot edge is the state of hooking together when both cover.Because the crotch that matches is made in pot edge and pot edge, when taking place than large deformation, pot edge under the abnormal condition and pot edge still can keep the state of hooking together.The process of deformation in taking place in the pot edge, and the drift angle of its bending part jack-up that also gradually the sealing ring lower lip made progress has been destroyed the sealing of sealing ring and pot edge, makes pot interior superelevation air pressure not have the edge from the pot edge and releases, thereby realize explosion-proof.But, because stinging tight teeth mutually after screwing, a pot cover and a pot body be in high-stress state for a long time, and access times are many, and tooth root produces metal fatigue, and bending strength descends, and security performance reduces greatly.
The utility model content:
The purpose of this utility model is to provide at the deficiencies in the prior art a kind of releasing pressure automatically, explosion-proof, simple in structure, easy operation, safe and reliable safe pressure cooker.
For achieving the above object, the utility model adopts following technical scheme:
A kind of safe pressure cooker comprises a pot body, pot cover, pressure limiting valve, and pressure limiting valve is arranged on the pot cover, also comprise hinge and hold down gag, hinge comprises upper hinge, following hinge, and upper hinge is fixed on the pot cover, and following hinges fixing fixes on pot body, hold down gag is fixed on pot body, hold down gag comprises that one has the axle of crotch, and a stage clip is nested with on axle, and pot body and pot cover are by hinge and hold down gag elastic coupling, when pot body and pot cover locking, crotch and pot cover are the state of hooking together.
Wherein, described hinge down is provided with joint pin.
Wherein, described hold down gag comprises fairlead, sleeve, be fixedly connected watt, stage clip, axle, nut and pull bar, be fixedly connected watt fixed connection in the sleeve periphery, and with pot body fixed connection, the fairlead fixed connection is in sleeve, axle is arranged in the fairlead, stage clip is nested with on axle, and the upper end of stage clip contacts with the lower end of fairlead, and the lower end of stage clip contacts with the stage clip backing ring, axle and stage clip are by nut check, and pull bar is fixed on a side of axle.
Wherein, the lid of described pot cover is along the right angle that is that Open Side Down, and the pot edge of pot body is the opening right angle that makes progress, the inboard matched in clearance on the outside of pot edge and lid edge.
Wherein, be provided with an O RunddichtringO in the inner side edge edge, pot edge of described pot body.
Wherein, described pot cover is provided with the leader.
Wherein, described pot cover offers a groove, and when locking pot cover and pot body, rotary compacting device is to certain angle, and crotch fixes in groove.
Wherein, a location device is set on the described pot cover, when locking pot cover and pot body, rotary compacting device is to certain angle, and crotch fixes in positioner.
The utility model beneficial effect is: the utility model comprises a pot body, pot cover, pressure limiting valve, pressure limiting valve is arranged on the pot cover, also comprise hinge and hold down gag, hinge comprises upper hinge, following hinge, upper hinge is fixed on the pot cover, following hinges fixing fixes on pot body, hold down gag is fixed on pot body, hold down gag comprises that one has the axle of crotch, one stage clip is nested with on axle, pot body and pot cover are by hinge and hold down gag elastic coupling, and when pot body and pot cover locking, crotch and pot cover are the state of hooking together; Because pot body and pot cover are by hinge and hold down gag elastic coupling, during pressure cooker work, hinge and hold down gag elastic coupling keep fitting tightly of pot body and pot cover, and when pot inner pressure surpassed minimum working pressure, pressure limiting valve lost heart, and balance keep-ups pressure; If pressure limiting valve takes place to stop up or is malfunctioning, pot inner pressure increases suddenly, and when surpassing maximum working pressure, the top pot cover will make progress, this strength will overcome the spring force of hold down gag, stage clip shortens, and axle up moves, and pot cover is backed down, crotch and pot cover produce displacement, a large amount of gases at high pressure leak automatically in the pot, and pot inner pressure reduces, thereby prevent quick-fried pot.The utility model is simple in structure, and operation is safe and reliable easily.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a hinge arrangement schematic diagram of the present utility model;
Fig. 3 is the A-A cutaway view of hinge of the present utility model;
Fig. 4 is the vertical view of hold down gag of the present utility model;
Fig. 5 is hold down gag of the present utility model and pot body fixed connection axonometric drawing;
Fig. 6 is the cross-sectional view of hold down gag of the present utility model;
Fig. 7 is the part section structural representation of embodiment 1;
Fig. 8 is the structural representation of the groove of embodiment 1;
Fig. 9 is the part section structural representation of embodiment 2;
Figure 10 is the structural representation of the positioner of embodiment 2.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
See accompanying drawing 1-8, a kind of safe pressure cooker, comprise pot body 1, pot cover 3, pressure limiting valve 4, pressure limiting valve 4 is arranged on the pot cover 3, also comprise hinge 2 and hold down gag 6, hinge 2 comprises upper hinge 21, following hinge 22, and upper hinge 21 is fixed on the pot cover 3, following hinge 22 is fixed on pot body 1, following hinge 22 is provided with joint pin 23, when covering pot cover 3, upper hinge 21 is inserted in down in the joint pin 23 of hinge 22, depress pot cover 3, the pull bar 32 of mentioning hold down gag 6 rotates suitable angle, aims at the groove 41 of pot cover 3, compress pot cover 3, realize locking apace pot cover 3 and pot body 1.
The described hold down gag 6 of present embodiment is fixed on pot body 1, and hold down gag 6 stretches out axle 31, one stage clips 37 that have crotch 30 and is nested with on axle 31, and pot body 1 and pot cover 3 are by hinge 2 and hold down gag 6 elastic couplings.
The described hold down gag 6 of present embodiment comprises fairlead 34, be fixedly connected watts 36, sleeve 35, stage clip 37, axle 31, nut 40 and pull bar 32.Be fixedly connected watt 36 fixed connections on sleeve 35, watts 36 effects of playing support fixation sleeve 35 that are fixedly connected, fairlead 34 is fixed in the sleeve 35.Axle 31 is arranged in the fairlead 34, and stage clip 37 is nested with on axle 31.The upper end of stage clip 37 contacts with the lower end of fairlead 34, and the lower end contacts with stage clip backing ring 38, and axle 31 is locked by nut 40 with stage clip 37, also has an elastic washer 39 between stage clip backing ring 38 and the nut 40.Axle 31 is provided with a circlip 33, and circlip 33 and spring backing ring 38 determine in the elastic limit of spring the stroke and the position of axle 31.Pull bar 32 is fixed on a side of axle 31.When stage clip 37 was in normal condition, hinge 2 and hold down gag 6 elastic couplings kept fitting tightly of pot body 1 and pot cover 3, and the crotch 30 and the pot cover 3 of axle 31 are the state of hooking together, if pressure limiting valve 4 takes place to stop up or is malfunctioning, pot inner pressure increases suddenly, when pot inner pressure greater than the spring force in the hold down gag 6, stage clip 37 shortens, axle 31 up moves, crotch 30 produces displacement with pot cover 3, and pot cover 3 is backed down, and a large amount of gases at high pressure leak in the pot, pot inner pressure reduces, thereby prevents quick-fried pot.Along with pressure sharply descends, stage clip 37 elongations, pot cover 3 resets under stage clip 37 pressure of hold down gag 6.
The described pot cover 3 of present embodiment is that Open Side Down right angle, the pot edge 25 of pot body 1 are the opening right angle that makes progress, the outside of pot edge 25 and the lid inboard matched in clearance along 24.The pot edge is provided with an O RunddichtringO 7 in the 25 inner side edges edge, O RunddichtringO 7 is located at 25 inner side edge edges, pot edge, its diameter is vertical high greater than pot edge 25, lid is along 24 during with pot edge 25 closed, O RunddichtringO 7 and lid along 24, the planar annular of pot edge 25 fits tightly, can effectively seal, stop gas leak in the pot.When O RunddichtringO length 7 service times, sealing decline, can in time change, guarantee the sealing function of O RunddichtringO 7.Pot cover 3 offers a groove 41, and when locking pot cover 3 and pot body 1, rotary compacting device 6 is to certain angle, and crotch 30 fixes in groove 41, and pot cover 3 and pot body 1 are locked.Pot cover 3 is provided with leader 5, holds the action that pot cover 3 was opened or locked in handle 5 realizations.
When pot inner pressure surpassed minimum working pressure, pressure limiting valve 4 lost heart, and balance keep-ups pressure; If pressure limiting valve 4 takes place to stop up or is malfunctioning, pot inner pressure increases suddenly, and when surpassing maximum working pressure, top pot cover 3 will make progress, this strength will overcome the spring force of hold down gag 6, stage clip 37 shortens, and axle 31 up moves, and pot cover 3 is backed down, crotch 30 produces displacement with pot cover 3, a large amount of gases at high pressure leak automatically in the pot, and pot inner pressure reduces, thereby prevent quick-fried pot.After the pressure release, under the effect of spring force, pot cover 3 is pressed together again with pot body 1 and fits tightly, and recovers normal condition.
Operation principle:
When locking pot cover 3 and pot body 1, upper hinge 21 is inserted in down in the joint pin 23 of hinge 22, depress pot cover 3, mention the pull bar 32 of hold down gag 6, rotate suitable angle, aim at the groove 41 of pot cover 3, compress pot cover 3, realize locking apace pot cover 3 and pot body 1.
When opening pot cover 3, treat that pressure limiting valve 4 venting finish, take down pressure limiting valve 4, mention pull bar 32, rotate suitable angle and put down, at this moment the pressure of 6 pairs of pot covers 3 of hold down gag is eliminated.Hold the handle 5 on the pot cover 3 again, take the lid of the pot off 3, and the upper hinge 21 of pot cover 3 is thrown off from joint pin 23, pot cover 3 separates with pot body 1.
In this process, because timely releasing pressure automatically quick-fried pot can not take place, and the stage clip 37 of hold down gag 6 is worked in its elastic limit all the time, can overloading.
See accompanying drawing 9-10, the present embodiment difference from Example 1 is: a location device 42 is set on the described pot cover 3 of present embodiment, when covering pot cover 3, upper hinge 21 is inserted in down in the joint pin 23 of hinge 22, depresses pot cover 3, the pull bar 32 of mentioning hold down gag 6, rotate suitable angle, aim at the positioner 42 of pot cover 3, crotch 30 fixes in positioner 42, compress pot cover 3, realize locking apace pot cover 3 and pot body 1.Other composition, connected mode and operation principle are identical with embodiment 1.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (8)
1, a kind of safe pressure cooker, comprise a pot body (1), pot cover (3), pressure limiting valve (4), pressure limiting valve (4) is arranged on the pot cover (3), it is characterized in that: also comprise hinge (2), and hold down gag (6), hinge (2) comprises upper hinge (21), following hinge (22), upper hinge (21) is fixed on the pot cover (3), following hinge (22) is fixed on pot body (1), hold down gag (6) is fixed on pot body (1), hold down gag (6) comprises that one has the axle (31) of crotch (30), one stage clip (37) is nested with on axle (31), pot body (1) and pot cover (3) are by hinge (2) and hold down gag (6) elastic coupling, when pot body (1) and pot cover (3) locking, crotch (30) is the state of hooking together with pot cover (3).
2, a kind of safe pressure cooker according to claim 1 is characterized in that: described hinge (22) down is provided with joint pin (23).
3, a kind of safe pressure cooker according to claim 1, it is characterized in that: described hold down gag (6) comprises fairlead (34), sleeve (35), watt (36) are fixedly connected, stage clip (37), axle (31), nut (40) and pull bar (32), be fixedly connected watt (36) fixed connection in sleeve (35) periphery, and with pot body (1) fixed connection, fairlead (34) fixed connection is in sleeve (35), axle (31) is arranged in the fairlead (34), stage clip (37) is nested with on axle (31), the upper end of stage clip (37) contacts with the lower end of fairlead (34), the lower end of stage clip (37) contacts with stage clip backing ring (38), axle (31) is locked by nut (40) with stage clip (37), and pull bar (32) is fixed on a side of axle (31).
4, a kind of safe pressure cooker according to claim 1, it is characterized in that: the lid of described pot cover (3) is along (24) right angle that is that Open Side Down, the pot edge (25) of pot body (1) is the opening right angle that makes progress, the outside of pot edge (25) and the inboard matched in clearance of lid along (24).
5, a kind of safe pressure cooker according to claim 4 is characterized in that: be provided with an O RunddichtringO (7) in the inner side edge edge, pot edge (25) of described pot body (1).
6, a kind of safe pressure cooker according to claim 1 is characterized in that: described pot cover (3) is provided with leader (5).
7, a kind of safe pressure cooker according to claim 1, it is characterized in that: described pot cover (3) offers a groove (41), when locking pot cover (3) and pot body (1), rotary compacting device (6) is to certain angle, and crotch (30) fixes in groove (41).
8, according to any described a kind of safe pressure cooker of claim 1-7, it is characterized in that: a location device (42) is set on the described pot cover (3), when locking pot cover (3) and pot body (1), rotary compacting device (6) is to certain angle, and crotch (30) fixes in positioner (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820206630U CN201379415Y (en) | 2008-12-31 | 2008-12-31 | Safe pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820206630U CN201379415Y (en) | 2008-12-31 | 2008-12-31 | Safe pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201379415Y true CN201379415Y (en) | 2010-01-13 |
Family
ID=41522890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820206630U Expired - Fee Related CN201379415Y (en) | 2008-12-31 | 2008-12-31 | Safe pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201379415Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102258320A (en) * | 2011-07-20 | 2011-11-30 | 九阳股份有限公司 | Flip type electric pressure cooker |
| CN102928236A (en) * | 2012-11-17 | 2013-02-13 | 无锡忻润汽车安全系统有限公司 | Latch pressing mechanism for vehicle door lock test equipment |
| CN109700552A (en) * | 2018-12-28 | 2019-05-03 | 连建增 | A kind of autoclaving molding machine for artificial tooth production |
| CN115462672A (en) * | 2022-09-14 | 2022-12-13 | 浙江尚厨家居科技股份有限公司 | Elastic pressure relief device and pressure cooker |
-
2008
- 2008-12-31 CN CN200820206630U patent/CN201379415Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102258320A (en) * | 2011-07-20 | 2011-11-30 | 九阳股份有限公司 | Flip type electric pressure cooker |
| CN102258320B (en) * | 2011-07-20 | 2013-09-18 | 九阳股份有限公司 | Flip type electric pressure cooker |
| CN102928236A (en) * | 2012-11-17 | 2013-02-13 | 无锡忻润汽车安全系统有限公司 | Latch pressing mechanism for vehicle door lock test equipment |
| CN102928236B (en) * | 2012-11-17 | 2016-03-30 | 无锡忻润汽车安全系统有限公司 | For the snap close hold-down mechanism of car door lock testing equipment |
| CN109700552A (en) * | 2018-12-28 | 2019-05-03 | 连建增 | A kind of autoclaving molding machine for artificial tooth production |
| CN109700552B (en) * | 2018-12-28 | 2024-02-02 | 滑县红太阳医疗器械有限公司 | A high pressure cooking forming device for denture preparation |
| CN115462672A (en) * | 2022-09-14 | 2022-12-13 | 浙江尚厨家居科技股份有限公司 | Elastic pressure relief device and pressure cooker |
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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: 20100113 Termination date: 20121231 |