CN201123707Y - Pressure regulating and limiting valve for pressure cooker - Google Patents
Pressure regulating and limiting valve for pressure cooker Download PDFInfo
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- CN201123707Y CN201123707Y CNU2007201137806U CN200720113780U CN201123707Y CN 201123707 Y CN201123707 Y CN 201123707Y CN U2007201137806 U CNU2007201137806 U CN U2007201137806U CN 200720113780 U CN200720113780 U CN 200720113780U CN 201123707 Y CN201123707 Y CN 201123707Y
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Abstract
The utility model provides a pressure limiting valve capable of regulating the working pressure magnitude of pressure cookers, belonging to the daily necessities technical field. The utility model solves the problem that the prior pressure limiting valve for pressure cookers cannot regulate the working pressure magnitude inside cookers or is inadequate in gears which can be regulated. The pressure regulating-limiting valve for pressure cookers is arranged on an exhaust pipe of a pressure cooker cover; a valve seat is fixed on the cooker cover; a valve core is arranged inside the valve seat; a pushing tip is arranged inside the valve core; the pushing tip can be buckled on the exhaust pipe; an exhaust hole is arranged on the valve core; a cylindrical pressure regulating seat is arranged between the valve seat and the valve core; a pressure regulating spring over the valve core is arranged between the pressure regulating seat and the valve core; one end of the pressure regulating spring acts on the pressure regulating seat, and the other end of the pressure regulating spring acts on the valve core; a pressure regulating mechanism capable of driving the pressure regulating seat to rise/drop when the pressure regulating seat rotates is arranged between the valve seat and the pressure regulating seat. The pressure regulating-limiting valve for pressure cookers is large in the number of gears capable of regulating working pressure, and is characterized in simple and reasonable structure, convenient operation and good reliability in addition.
Description
Technical field
The utility model belongs to the articles for daily use technical field, relates to the pressure limiting valve that uses on a kind of pressure cooker, particularly the pressure limiting valve of adjustable pressure pot operating pressure size.
Background technology
Pressure limiting valve is installed on the blast pipe of pressure cooker lid, by its restriction pot inner pressure.As everyone knows, P=F/S learns by formula: when one timing of pressure limiting valve sealing area, change pressure value P, will change the power F that acts on the sealing surface.Existing pressure limiting valve has only one grade of operating pressure usually, the operating pressure that weight produced of pressure limiting valve itself just, when the pot internal gas pressure was higher than the operating pressure that sets, gas acted on the pressure limiting valve in the pot, pressure limiting valve is risen, and gas just outwards discharges by blast pipe.
But, in actual use, need the different food of culinary art in the pressure cooker usually.And the optimum working pressure of cooking different foods needs is inequality, as: the optimum pressure of cooking rice is 0.2-0.5kg/cm
2, the optimum pressure that boils pig's feet is 1-1.2kg/cm
2Therefore, can only set the pressure limiting valve of one grade of operating pressure and can't to satisfy daily life required.To this, existing method is to set up a weight on the valve body of pressure limiting valve.Utilize weight to be positioned on the valve body, increase the weight of pressure limiting valve, improve the operating pressure of pressure limiting valve.Though existing method is feasible, operate cumbersome.Simultaneously, owing to weight separates with the pressure limiting valve valve body, so weight is lost easily when reality is used.
For this reason, Chinese patent 200520042186.3 provides a kind of " pressure cooker pressure-regulating and pressuring-limiting valve ", and it utilizes the gravity of spool self, with top being pressed on the blast pipe on the spool, makes blast pipe keep sealing.When needing to regulate the pressure cooker internal pressure, rotate pressure regulating seat.In rotation process, the retaining head motionless draw-in groove that is fixed blocks, and the retaining head can only be moved up and down in the breach of pressure regulating seat, moves on the different step in pressure regulating seat both sides, makes to move on the inner spool or descend.When the inner spool raised state, inner spool is not pressed on the outer spool, makes the gravity that acts on top have only the weight of outer spool; When inner spool descended, inner spool was pressed on the outer spool, and making the gravity that acts on top is inner spool and outer spool weight together.Obviously, when inner spool descended, the operating pressure of pressure cooker had improved.
As can be seen, whether the weight of above-mentioned patent utilization inner spool acts on two kinds of situations on top, makes pressure cooker have two grades of adjustable operating pressures, makes the user can select the operating pressure that is fit to as required.But, only have two grades of operating pressures to regulate still can't to satisfy present life water product required, the number of can transferring the files is still on the low side.
The pressure limiting valve of existing other structure also exists similar problem.
Summary of the invention
The purpose of this utility model is that proposed a kind of easy to assembly, simple to operate, working stability at the existing the problems referred to above of existing limiting valve of pressure cooker reliable and can regulate the many pressure cooker pressure-regulating and pressuring-limiting valves of operating pressure shelves number.
The purpose of this utility model can realize by following technical proposal: a kind of pressure cooker pressure-regulating and pressuring-limiting valve, be arranged on the blast pipe place of pressure cooker lid, valve seat is fixed on the pot cover, spool is housed in valve seat, be provided with top in the spool, top being buckled on the blast pipe, on spool, have steam vent, it is characterized in that, be provided with a pressure regulating seat cylindraceous between described valve seat and the spool, a pressure spring that is enclosed within on the spool is housed between pressure regulating seat and spool, an end of pressure spring acts on the pressure regulating seat, the other end acts on the spool, is provided with the pressure regulating device that can drive the pressure regulating seat lifting when pressure regulating seat rotates between described valve seat and the pressure regulating seat.
This pressure cooker pressure-regulating and pressuring-limiting valve is the elastic force that utilizes the gravity of spool itself and be enclosed within pressure spring on the spool, with top being pressed on the blast pipe on the spool, makes blast pipe keep sealing.Like this, pressure cooker in use the pot in air pressure will rise.When the air pressure in the pot surpasses the value set, the pressure of gas act on top on, make spool overcome self the gravity and the elastic force of pressure spring and rising, the gas in the pressure cooker just discharges from the steam vent of blast pipe on spool.The pressure cooker internal gas pressure is discharged the back with portion gas and is descended, be lower than the setting value of air pressure after, top at spool self gravity and the elastic force effect of pressure spring under be pressed on the blast pipe once more.So repeatedly, just can make the air pressure in the pressure cooker remain on the force value that sets always, food is cooked under the optimum working pressure that sets.
When needing to regulate pot inner pressure, rotatable pressure regulating seat.At this moment, the pressure regulating device that is located between valve seat and the pressure regulating seat makes pressure regulating seat lifting in vertical direction again when rotating.Along with the lifting of pressure regulating seat, act on the pressure spring between pressure regulating seat and the spool, its decrement increases or reduces, and changes the elastic force size of indirectly-acting on top with this.Obviously, when pressure regulating seat descended, the compressed amount of pressure spring increased, and the elastic force that acts on top becomes big, and the operating pressure that pressure cooker is set has improved.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described pressure regulating device comprises at least one pressure regulation tooth bar that is arranged on the pressure regulating seat periphery, the pressure regulation tooth bar has a series of pressure-regulating sleeve teeth that raise one by one, the inwall of valve seat be provided with the above-mentioned pressure-regulating sleeve tooth of embedding of the corresponding setting of pressure regulation tooth bar between and the convex body that slides along pressure-regulating sleeve tooth one tooth one tooth.
Convex body on the valve base inner wall can be embedded between the pressure-regulating sleeve tooth, when needs are regulated pot inner pressure, rotates pressure regulating seat, and the pressure regulation tooth that is arranged on the pressure regulating seat periphery rotates with pressure regulating seat, and the convex body on the valve base inner wall is in the state of maintaining static all the time at this moment.But with respect to the pressure regulation tooth bar, convex body is along the slip of pressure-regulating sleeve tooth at a tooth one tooth.When convex body slided in the direction that raises successively along the pressure-regulating sleeve tooth, pressure regulation tooth bar and pressure regulating seat descended in vertical direction, and pressure spring is compressed, and the elastic force that acts on top becomes big, and the operating pressure of pressure cooker setting has improved.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the periphery of described pressure regulating seat evenly is provided with two pressure regulation tooth bars, is provided with and pressure regulation tooth bar convex body one to one at the inwall of valve seat.Many pressure regulation tooth bars evenly are set make whole pressure limiting valve stress equalization in rotation process, rotate more level and smooth.
Another kind of situation, in above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described pressure regulating device comprises at least one pressure regulation tooth bar that is arranged on valve base inner wall, the pressure regulation tooth bar has a series of pressure-regulating sleeve teeth that raise one by one, the periphery of pressure regulating seat be provided with the above-mentioned pressure-regulating sleeve tooth of embedding of the corresponding setting of pressure regulation tooth bar between and the convex body that slides along pressure-regulating sleeve tooth one tooth one tooth.
The pressure regulation tooth bar can be arranged on the inwall of valve seat equally, and corresponding convex body then is arranged on the periphery of pressure regulating seat.When needs are regulated pot inner pressure, rotate pressure regulating seat, the convex body that is arranged on the pressure regulating seat periphery rotates with pressure regulating seat, and the pressure regulation tooth bar on the valve base inner wall is in the state of maintaining static all the time at this moment, and convex body is along the slip of pressure-regulating sleeve tooth at a tooth one tooth.When convex body slided in the direction that raises successively along the pressure-regulating sleeve tooth, convex body and pressure regulating seat rose in vertical direction, and the length of pressure spring is elongated, and the elastic force that acts on top diminishes, and the operating pressure of pressure cooker setting has reduced.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described valve base inner wall evenly is provided with two pressure regulation tooth bars, is provided with in the periphery of pressure regulating seat and pressure regulation tooth bar convex body one to one.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described spool top is provided with a bonnet that is enclosed within on the pressure regulating seat and can drives the pressure regulating seat rotation, and a handle is being connected in the outside of bonnet.When needing to regulate pot inner pressure, rotate the handle that the bonnet outside is being connected, bonnet is together rotated, drive pressure regulating seat by bonnet again and rotate, realize setting operating pressure in the pressure cooker.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the outer wall of described pressure regulating seat is provided with some guide chutes of vertical setting, and the inwall of described bonnet is provided with and is stuck in the guide chute and the boss identical with guide chute quantity.Boss is inserted in the guide chute, when bonnet rotates, relies on the drive connection between boss and the guide chute to drive the pressure regulating seat rotation.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described convex body has a tip down, and described pressure-regulating sleeve tooth is a pointed tooth up, and above-mentioned tip can be inserted between adjacent two pressure-regulating sleeve teeth.Convex body tip and the space between adjacent two pressure-regulating sleeve teeth down just coincide, and makes convex body more stable when pressure-regulating sleeve tooth one tooth one tooth slides.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the two ends of described pressure regulation tooth bar are respectively equipped with the block that is used to stop convex body.Two ends at the pressure regulation tooth bar are provided with block, prevent that convex body from when regulating operating pressure, excessively skidding off the pressure regulation tooth bar because of operating.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the end that the pressure-regulating sleeve tooth height is lower in the described pressure regulation tooth bar is provided with the neutral gear tooth position one that can put into convex body, and the width of neutral gear tooth position one is less than the width of convex body.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the sidepiece of described neutral gear tooth position one is provided with a neutral gear tooth position two that is used to unload pressure limiting valve, and the width of neutral gear tooth position two is greater than the width of convex body.
Convex body is slided to low level by a high position along the pressure-regulating sleeve tooth, and convex body can be embedded in neutral gear tooth position one and the neutral gear tooth position two after skidding off the pressure regulation tooth bar successively.When convex body was embedded in the neutral gear tooth position one, convex body can be held in neutral gear tooth position one, made pressure regulating seat be in the exhaust gear, and the pressure in the pressure cooker descends rapidly; When convex body is embedded in the neutral gear tooth position two, pressure limiting valve can be taken off convenient the cleaning.
Compared with prior art, the advantage of this pressure cooker pressure-regulating and pressuring-limiting valve is:
1, this pressure cooker pressure-regulating and pressuring-limiting valve is controlled pot inner pressure in the elastic force size on top, its simple and reasonable, good reliability by changing the pressure spring indirectly-acting.
2, this pressure cooker pressure-regulating and pressuring-limiting valve has many grades of operating pressures and exhaust shelves, makes the user that multiple choices can be arranged as required, can fully satisfy user's actual needs; Simultaneously, when regulating the pressure gear,, easy to operate as long as pull handle.
All the time be buckled on the blast pipe when 3, regulating operating pressure owing to spool, the top blast pipe that is right against all the time on the spool, reliable and stable in use.
4, be between each parts of bonnet, valve seat, pressure regulator valve and spool and removably connect, make things convenient for overall package and dismounting, cleaning.
Description of drawings
Fig. 1 is the structural representation of this pressure cooker pressure-regulating and pressuring-limiting valve.
Fig. 2 is the structural representation of the pressure regulation tooth bar on the pressure regulating seat.
Fig. 3 is the schematic diagram of convex body when being in pressure regulation tooth bar lowest order.
Fig. 4 is the schematic diagram of convex body when being in pressure regulation tooth bar highest order.
Fig. 5 is the plan structure schematic diagram of pressure regulating seat.
Fig. 6 is the plan structure schematic diagram of bonnet.
Among the figure, 1, valve seat; 2, spool; 3, blast pipe; 4, top; 5, steam vent; 6, pressure regulating seat; 7, pressure spring; 8, pressure regulation tooth bar; 81, pressure-regulating sleeve tooth; 81a, pointed tooth; 82, separate projection; 82a, neutral gear tooth position one; 82b, neutral gear tooth position two; 9, bonnet; 10, handle; 11, block; 12, convex body; 12a, tip; 13, boss; 14, guide chute.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this pressure cooker pressure-regulating and pressuring-limiting valve is arranged on blast pipe 3 places of pressure cooker lid, valve seat 1 is fixed on the pot cover, spool 2 is housed in valve seat 1, be provided with a pressure regulating seat 6 cylindraceous between valve seat 1 and the spool 2, be with a pressure spring 7 on the spool 2, pressure spring 7 is between pressure regulating seat 6 and the spool 2, the one end acts on the pressure regulating seat 6, and the other end acts on the spool 2.
Spool 2 cylindraceous tips upside down on the blast pipe 1, and what be provided with in it top 4 is pressed on the blast pipe 3, makes blast pipe 3 keep sealing.On spool 2, have steam vent 5, and be provided with a bonnet 9 that is enclosed within on the pressure regulating seat 6, the outside of bonnet 9 handle 10 that is being connected on spool 2 tops.
As Fig. 2, Fig. 3 and shown in Figure 4, pressure regulating seat 6 peripheries are provided with pressure regulation tooth bar 8, and pressure regulation tooth bar 8 has a series of pressure-regulating sleeve teeth 81 that raise one by one, and pressure-regulating sleeve tooth 81 is a series of pointed tooth 81a up.The inwall of valve seat 1 is provided with convex body 12, and convex body 12 has a most advanced and sophisticated 12a down, and the most advanced and sophisticated 12a of this convex body 12 can be embedded between pressure-regulating sleeve tooth 81 adjacent two pointed tooth 81a, and convex body 12 can be slided along pressure-regulating sleeve tooth 81 1 teeth one tooth.The two ends of pressure regulation tooth bar 8 are respectively equipped with the block 11 that is used to stop convex body 12, and are provided with neutral gear tooth position one 82a and neutral gear tooth position two 82b successively at pressure regulation tooth bar 8 lower ends, and both separate projection by one and separate 82.In the present embodiment, the quantity of pressure regulation tooth bar 8 is two.The width of neutral gear tooth position one 82a is less than convex body 12; And the width of neutral gear tooth position two 82b is greater than convex body 12.
This pressure cooker pressure-regulating and pressuring-limiting valve is the elastic force that utilizes the gravity of spool 2 itself and be enclosed within pressure spring 7 on the spool 2, and top 4 on the spool 2 is pressed on the blast pipe 3, makes blast pipe 3 keep sealing.The pressure cooker in use interior air pressure of pot will rise.When the air pressure in the pot surpassed the value set, the pressure of gas acted on top 4, made spool 2 overcome self the gravity and the elastic force of pressure spring 7 and rising, and the gas in the pressure cooker just discharges from the steam vent 5 of blast pipe 3 on spool 2.The pressure cooker internal gas pressure is discharged the back with portion gas and is descended, be lower than the setting value of air pressure after, top at spool 2 self gravity and the elastic force effect of pressure spring 7 under be pressed on once more on the blast pipe 3.So repeatedly, just can make the air pressure in the pressure cooker remain on the force value that sets always, food is cooked under the optimum working pressure that sets.
As shown in Figure 5 and Figure 6, the outer wall of pressure regulating seat 6 is arranged with two guide chutes 14 that vertically are provided with, and the inwall of bonnet 9 is provided with two boss 13 that are inserted in the guide chute 14.Boss 13 is corresponding with guide chute 14 positions, and boss 13 can be inserted in the guide chute 14.
When needing to regulate the pressure cooker internal pressure, rotate the handle 10 that bonnet 9 outsides are being connected, bonnet 9 is together rotated, when bonnet 9 rotated, the drive connection between dependence boss 13 and the guide chute 14 drove pressure regulating seat 6 and rotates.Convex body 12 on valve seat 1 inwall can be embedded between the pressure-regulating sleeve tooth 81, and when pressure regulating seat 6 rotated, the pressure regulation tooth bar 8 that is arranged on pressure regulating seat 6 peripheries rotated with pressure regulating seat 6, and the convex body 12 on valve seat 1 inwall is in the state of maintaining static all the time at this moment.But with respect to pressure regulation tooth bar 8, convex body 12 is along the slip of pressure-regulating sleeve tooth 81 at a tooth one tooth.Convex body 12 is when pressure-regulating sleeve tooth 81 1 teeth one tooth slides, pressure regulation tooth bar 8 and pressure regulating seat 6 lifting in vertical direction, the pressure spring 7 compressed amounts that act between pressure regulating seat 6 and the spool 2 increase or reduce, and change the elastic force size of indirectly-acting on top 4 with this.Obviously, when pressure regulating seat 6 descended, pressure spring 7 was compressed, and the elastic force that acts on top 4 becomes big, and the operating pressure that pressure cooker is set has improved.
The block 11 that the two ends of pressure regulation tooth bar 8 are provided with prevents that convex body 12 from when regulating operating pressure, excessively skidding off pressure regulation tooth bar 8 because of operating.Convex body 12 is slided to low level by a high position along pressure-regulating sleeve tooth 81, and convex body 12 can be embedded among neutral gear tooth position one 82a and neutral gear tooth position two 82b after skidding off pressure regulation tooth bar 8 successively.When convex body 12 was embedded among one 82a of neutral gear tooth position, pressure regulating seat 6 was in the exhaust gear, and the pressure in the pressure cooker descends rapidly; When convex body 12 is embedded among two 82b of neutral gear tooth position, pressure limiting valve can be taken off convenient the cleaning.
As another kind of scheme, pressure regulation tooth bar 8 can be arranged on the inwall of valve seat 1 equally, 12 peripheries that are arranged on pressure regulating seat 6 of corresponding convex body.When needs are regulated pot inner pressure, rotate pressure regulating seat 6, the convex body 12 that is arranged on pressure regulating seat 6 peripheries rotates with pressure regulating seat 6, and the pressure regulation tooth bar 8 on valve seat 1 inwall is in the state of maintaining static all the time at this moment, and convex body 12 is along the slip of pressure-regulating sleeve tooth 81 at a tooth one tooth.When convex body 12 slided in the direction that raises successively along pressure-regulating sleeve tooth 81, convex body 12 rose in vertical direction with pressure regulating seat 6, and the length of pressure spring 7 is elongated, and the elastic force that acts on top 4 diminishes, and the operating pressure that pressure cooker is set has reduced.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used valve seat 1, spool 2, blast pipe 3, top 4, steam vent 5, pressure regulating seat 6, pressure spring 7, pressure regulation tooth bar 8, pressure-regulating sleeve tooth 81, pointed tooth 81a, separated terms such as projection 82, neutral gear tooth position one 82a, neutral gear tooth position 82b, bonnet 9, handle 10, block 11, convex body 12, most advanced and sophisticated 12a, boss 13, guide chute 14 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1, a kind of pressure cooker pressure-regulating and pressuring-limiting valve, the blast pipe (3) that is arranged on pressure cooker lid is located, valve seat (1) is fixed on the pot cover, spool (2) is housed in valve seat (1), be provided with in the spool (2) top (4), top (4) can be buckled on the blast pipe (3), on spool (2), have steam vent (5), it is characterized in that, be provided with a pressure regulating seat cylindraceous (6) between described valve seat (1) and the spool (2), a pressure spring (7) that is enclosed within on the spool (2) is housed between pressure regulating seat (6) and spool (2), one end of pressure spring (7) acts on the pressure regulating seat (6), the other end acts on the spool (2), is provided with the pressure regulating device that can drive pressure regulating seat (6) lifting when pressure regulating seat (6) rotates between described valve seat (1) and the pressure regulating seat (6).
2, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 1, it is characterized in that, described pressure regulating device comprises at least one pressure regulation tooth bar (8) that is arranged on pressure regulating seat (6) periphery, pressure regulation tooth bar (8) has a series of pressure-regulating sleeve teeth (81) that raise one by one, is provided with the convex body (12) that embeds between the above-mentioned pressure-regulating sleeve tooth (81) and slide along pressure-regulating sleeve tooth (81) one teeth one tooth with the corresponding setting of pressure regulation tooth bar (8) at the inwall of valve seat (1).
3, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 2 is characterized in that, the periphery of described pressure regulating seat (6) evenly is provided with two pressure regulation tooth bars (8), is provided with and pressure regulation tooth bar (8) convex body (12) one to one at the inwall of valve seat (1).
4, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 1, it is characterized in that, described pressure regulating device comprises at least one pressure regulation tooth bar (8) that is arranged on valve seat (1) inwall, pressure regulation tooth bar (8) has a series of pressure-regulating sleeve teeth (81) that raise one by one, is provided with the convex body (12) that embeds between the above-mentioned pressure-regulating sleeve tooth (81) and slide along pressure-regulating sleeve tooth (81) one teeth one tooth with the corresponding setting of pressure regulation tooth bar (8) in the periphery of pressure regulating seat (6).
5, according to any described pressure cooker pressure-regulating and pressuring-limiting valve of claim 1 to 4, it is characterized in that, described spool (2) top is provided with one and is enclosed within the bonnet (9) that pressure regulating seat (6) rotation was gone up and can be driven to pressure regulating seat (6), and a handle (10) is being connected in the outside of bonnet (9).
6, according to any described pressure cooker pressure-regulating and pressuring-limiting valve of claim 1 to 4, it is characterized in that, the outer wall of described pressure regulating seat (6) is provided with some the guide chutes (14) of vertical setting, and the inwall of described bonnet (9) is provided with and is stuck in the guide chute (14) and the boss (13) identical with guide chute (14) quantity.
7, according to claim 2 or 3 or 4 described pressure cooker pressure-regulating and pressuring-limiting valves, it is characterized in that, described convex body (12) has a tip (12a) down, described pressure-regulating sleeve tooth (81) is a pointed tooth (81a) up, and above-mentioned tip (12a) can insert between adjacent two pressure-regulating sleeve teeth (81).
According to claim 2 or 3 or 4 described pressure cooker pressure-regulating and pressuring-limiting valves, it is characterized in that 8, the two ends of described pressure regulation tooth bar (8) are respectively equipped with the block (11) that is used to stop convex body (12).
9, according to claim 2 or 3 or 4 described pressure cooker pressure-regulating and pressuring-limiting valves, it is characterized in that, the highly lower end of pressure-regulating sleeve tooth (81) is provided with the neutral gear tooth position one (82a) that can put into convex body (12) in the described pressure regulation tooth bar (8), and the width of neutral gear tooth position one (82a) is less than the width of convex body (12).
10, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 9, it is characterized in that, the sidepiece of described neutral gear tooth position one (82a) is provided with a neutral gear tooth position two (82b) that is used to unload pressure limiting valve, and the width of neutral gear tooth position two (82b) is greater than the width of convex body (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201137806U CN201123707Y (en) | 2007-08-27 | 2007-08-27 | Pressure regulating and limiting valve for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201137806U CN201123707Y (en) | 2007-08-27 | 2007-08-27 | Pressure regulating and limiting valve for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201123707Y true CN201123707Y (en) | 2008-10-01 |
Family
ID=39997124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201137806U Expired - Lifetime CN201123707Y (en) | 2007-08-27 | 2007-08-27 | Pressure regulating and limiting valve for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201123707Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743098A (en) * | 2012-06-15 | 2012-10-24 | 浙江永达不锈钢制品有限公司 | Pressure regulating valve of pressure cooker |
| CN103040353A (en) * | 2012-12-19 | 2013-04-17 | 浙江永达不锈钢制品有限公司 | Pressure cooker pressure-limiting valve |
| CN108261060A (en) * | 2016-12-30 | 2018-07-10 | 佛山市顺德区美的电热电器制造有限公司 | Pressure regulator valve and cooking apparatus |
| CN108968667A (en) * | 2018-05-15 | 2018-12-11 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| CN109864563A (en) * | 2019-03-26 | 2019-06-11 | 青岛乐家电器有限公司 | Electric cooker steam valve gear and electric cooker |
| CN110430793A (en) * | 2017-02-15 | 2019-11-08 | 福腾宝集团有限公司 | Pressure cooker lid and pressure cooker |
| CN112932258A (en) * | 2021-03-31 | 2021-06-11 | 浙江众恒铝业有限公司 | Micropressure cooker safe to use |
| CN114073402A (en) * | 2020-08-19 | 2022-02-22 | 广东万事泰集团有限公司 | Pressure cooker |
-
2007
- 2007-08-27 CN CNU2007201137806U patent/CN201123707Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743098A (en) * | 2012-06-15 | 2012-10-24 | 浙江永达不锈钢制品有限公司 | Pressure regulating valve of pressure cooker |
| CN103040353A (en) * | 2012-12-19 | 2013-04-17 | 浙江永达不锈钢制品有限公司 | Pressure cooker pressure-limiting valve |
| CN108261060A (en) * | 2016-12-30 | 2018-07-10 | 佛山市顺德区美的电热电器制造有限公司 | Pressure regulator valve and cooking apparatus |
| CN110430793A (en) * | 2017-02-15 | 2019-11-08 | 福腾宝集团有限公司 | Pressure cooker lid and pressure cooker |
| CN108968667A (en) * | 2018-05-15 | 2018-12-11 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| CN109864563A (en) * | 2019-03-26 | 2019-06-11 | 青岛乐家电器有限公司 | Electric cooker steam valve gear and electric cooker |
| CN114073402A (en) * | 2020-08-19 | 2022-02-22 | 广东万事泰集团有限公司 | Pressure cooker |
| CN112932258A (en) * | 2021-03-31 | 2021-06-11 | 浙江众恒铝业有限公司 | Micropressure cooker safe to use |
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