CN201840306U - Gravity type pressure-regulating and pressure-limiting valve - Google Patents
Gravity type pressure-regulating and pressure-limiting valve Download PDFInfo
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- CN201840306U CN201840306U CN2010205790761U CN201020579076U CN201840306U CN 201840306 U CN201840306 U CN 201840306U CN 2010205790761 U CN2010205790761 U CN 2010205790761U CN 201020579076 U CN201020579076 U CN 201020579076U CN 201840306 U CN201840306 U CN 201840306U
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- pressure
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- regulating
- bonnet
- valve body
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Abstract
The utility model provides a gravity type pressure-regulating and pressure-limiting valve, which belongs to the technical field of the cooking appliance. The pressure-regulating and pressure-limiting valve solves the problems that a pressure-limiting valve of the existing pressure cooker has the complex structure and is not convenient to operate. The gravity type pressure-regulating and pressure-limiting valve is arranged at an exhaust pipe of a pot cover of the pressure cooker and comprises a cylinder valve seat, wherein the cylinder valve seat is fixed on the pot cover and is positioned at the periphery of the exhaust pipe; a valve body sheathed at the periphery of the exhaust pipe is arranged in the valve seat; the valve body can circumferentially rotate relative to the valve seat; a valve bonnet is fixed at the top of the valve body; the valve bonnet is provided with an apex that can be buckled on the exhaust pipe; a vent hole is arranged on the valve bonnet; and a pressure-regulating structure is arranged between the valve body and the valve bonnet, and the valve bonnet can be driven by the pressure-regulating structure to lift when the valve body circumferentially rotates. With the adoption of the gravity type pressure-regulating and pressure-limiting valve, the pressure can be conveniently regulated and the working performance is stable.
Description
Technical field
The utility model belongs to the cooking apparatus technical field, relates to a kind of pressure cooker, particularly relates to a kind of gravity-type pressure-regulating and pressuring-limiting valve.
Background technology
Pressure cooker is a kind of kitchen articles commonly used.Can reach certain air pressure in order to make in the pot, and outwards exhaust when the pot internal gas pressure surpasses the air pressure range of setting, a pressure limiting valve is set on pot cover.Existing pressure limiting valve is to be pressed on the blast pipe of pressure cooker cover by himself weight, realizes its pressure limiting function.But when boiling various food, pressure required in the pot can be different.At this moment, common way is weight of stack on pressure limiting valve, gains in weight by weight, makes in the pot to reach higher pressure.Though this 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, people have carried out long-term exploration, have proposed various solutions.For example, the applicant had once developed many grades of pressure limiting valves of a kind of pressure cooker [application number: 200520046753.2], this pressure limiting valve is arranged at the blast pipe place of pressure cooker lid, blast pipe is in the center of valve body, on valve body, be provided with several steam vents, described valve body top is provided with a bonnet, in valve body, be provided with a valve cage, be equipped with a spool that is connected mutually with bonnet in the valve cage, and the lower end of spool and valve cage all can be pressed on the blast pipe, is provided with a spring between bonnet and valve cage.It changes the adjusting that realizes force value by the contact-making surface of valve cage and spool and blast pipe, and when stress surface was big, the force value of setting was just less; Stress surface is just bigger than hour force value of setting.
Such scheme has solved the problem that prior art exists to a certain extent, but still exists weak point: 1, overall structure is comparatively complicated, the manufacturing cost height, and long-term the use is easy to be damaged, and its pressure regulating performance reduces and reduces along with the spring performance.2, operate inadequately conveniently, can't indicate the pressure regulation state, bring inconvenience to the user.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of pressure that can conveniently carry out and has regulated the gravity-type pressure-regulating and pressuring-limiting valve of stable work in work.
The purpose of this utility model can realize by following technical proposal:
This gravity-type pressure-regulating and pressuring-limiting valve, be arranged at the blast pipe place of pressure cooker lid, comprise the tubular valve seat that is fixed on the pot cover and is positioned at the blast pipe periphery, in valve seat, be provided with the valve body that is placed in the blast pipe periphery, described valve body can circumferentially rotate with respect to valve seat, top at valve body is fixed with bonnet, described bonnet has can be buckled in top on the blast pipe, on bonnet, have steam vent, it is characterized in that, be provided with the pressure adjusting structure that when valve body circumferentially rotates, can drive described bonnet lifting between described valve body and the bonnet.
Because bonnet axially can lifting, and valve body can circumferentially rotate, and can drive the bonnet lifting by pressure adjusting structure like this when valve body circumferentially rotates, thus the adjusting of realization force value.Specifically, when pressure adjusting structure was in initial position, bonnet was in the decline state, and top being buckled on the blast pipe, so force value maximum at this moment promptly is in the high pressure shelves.When valve body turned an angle, bonnet rose, and toply began to break away from blast pipe, and this moment, force value reduced, and promptly was in the low pressure shelves.When valve body is rotated further certain angle, the top blast pipe that breaks away from fully is the exhaust shelves this moment.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described pressure adjusting structure comprises the pressure regulation piece that is fixed on the bonnet bottom and is arranged on three pressure regulation steps of valve body lower portion that described pressure regulation piece can be resisted against on the described pressure regulation step.
When the pressure regulation piece did not contact with the pressure regulation step, top being fastened on the blast pipe was in the high pressure shelves this moment.When the pressure regulation piece when lower pressure regulation step contacts, toply begin to break away from blast pipe, be in the low pressure shelves this moment.When the pressure regulation piece when higher pressure regulation step contacts, the pressure regulation step is in the exhaust shelves this moment with bonnet jack-up.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described pressure regulation step sidepiece has the lifting inclined-plane respectively.Owing to be provided with the lifting inclined-plane, can move to easily on the pressure regulation step when mobile when the pressure regulation post is circumferential.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described pressure regulation piece be three and respectively with the above-mentioned corresponding setting of three pressure regulation steps.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described valve body is set in the described valve seat, the limiting section that described valve body bottom has two symmetries, described valve seat bottom offers the annular spacing groove with the corresponding setting of above-mentioned limiting section, and above-mentioned limiting section can pass annular spacing groove and be resisted against the valve seat end.Like this setting can prevent valve body in rotation process with the disengaging of valve seat, make its structure more firm.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described valve seat inner bottom part is provided with limited post, and described valve body bottom is provided with annular groove, and described limited post can pass annular groove, and be connected with described bonnet, described limited post can make bonnet circumferentially locate with respect to valve seat.The binding energy of limited post and annular groove limits the rotational angle of valve body, can make the adjusting of pressure more convenient.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described bonnet bottom is fixed with increases the weight of body, and described bottom of increasing the weight of body is provided with the recess that can be placed on the above-mentioned limited post, and described inside of increasing the weight of body also is provided with and can prevents that bonnet breaks away from the shackle member of blast pipe.Increasing the weight of body mainly increases the weight of bonnet, makes toply more can be fastened on the blast pipe.Bonnet adds the weight that increases the weight of body, and pressure is increased.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described shackle member is two and is symmetricly set on described increasing the weight of in the body.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, described shackle member is the steel bar that is arcuation, and an end of described steel bar is connected in and increases the weight of in the body.The steel bar that is arcuation has elasticity, can be conveniently to the dismounting and the installation of bonnet.
In above-mentioned gravity-type pressure-regulating and pressuring-limiting valve, the described valve body outside is provided with handle.Being provided with like this makes the rotation of valve body more convenient.
Compared with prior art, the advantage of this gravity-type pressure-regulating and pressuring-limiting valve is: 1, simple in structure, easy to operate, and good operating stability.2, can indicate the duty of pressure limiting valve easily, the security performance height can not cause user's maloperation.
Description of drawings
Fig. 1 is the cutaway view of this gravity-type pressure-regulating and pressuring-limiting valve.
Fig. 2 is the cutaway view of another state of this gravity-type pressure-regulating and pressuring-limiting valve.
Fig. 3 is the valve seat that provides of this gravity-type pressure-regulating and pressuring-limiting valve and the cutaway view of valve body.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the cutaway view of another state of valve seat and valve body.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the upward view of the bonnet that provides of this gravity-type pressure-regulating and pressuring-limiting valve.
Fig. 8 is the cutaway view of the bonnet that provides of this gravity-type pressure-regulating and pressuring-limiting valve.
Among the figure, 1, blast pipe; 2, valve seat; 21, limited post; 3, valve body; 31, pressure regulation step; 31a, lifting inclined-plane; 32, annular groove; 33, handle; 4, bonnet; 41, top; 42, steam vent; 43, pressure regulation piece; 44, shackle member; 5, increase the weight of body; 51, recess.
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.
This gravity-type pressure-regulating and pressuring-limiting valve is arranged at blast pipe 1 place of pressure cooker lid.As shown in Figure 1 and Figure 2, this gravity-type pressure-regulating and pressuring-limiting valve comprises the tubular valve seat 2 that is fixed on the pot cover and is positioned at blast pipe 1 periphery, in valve seat 2, be provided with the valve body 3 that is placed in blast pipe 1 periphery, be fixed with bonnet 4 at the top of valve body 3, bonnet 4 has can be buckled in top 41 on the blast pipe 1, have steam vent 42 on bonnet 4, the periphery of valve body 3 has handle 33, and valve body 3 can circumferentially rotate with respect to valve seat 2.
As Fig. 4 and shown in Figure 6, be fixed with pressure regulation piece 43 in bonnet 4 bottoms, be provided with three pressure regulation steps 31 in valve body 3 bottoms, pressure regulation piece 43 can be resisted against on the pressure regulation step 31.As Fig. 3 and as shown in Figure 5, have lifting inclined-plane 31a respectively at pressure regulation step 31 sidepieces, the pressure regulation piece 43 in the present embodiment be three and respectively with the 31 corresponding settings of three pressure regulation steps.
As Fig. 4 and shown in Figure 6, be provided with limited post 21 at valve seat 2 inner bottom parts, valve body 3 bottoms are provided with annular groove 32, and limited post 21 can pass annular groove 32, and is connected with the body 5 that increases the weight of that is provided with in the bonnet 4, and limited post 21 can make bonnet 4 circumferentially locate with respect to valve seat 2.The binding energy of limited post 21 and annular groove 32 limits the rotational angle of valve body 3, can make the adjusting of pressure more convenient.Shown in Fig. 7 and 8, the bottom of increasing the weight of body 5 is provided with the recess 51 that can be placed on the limited post 21.In valve body 3 rotating process, bonnet 4 moves axially with respect to valve seat 2, but circumferentially fixing.
As shown in Figure 7, also be provided with the shackle member 44 that can prevent bonnet 4 disengaging blast pipes 1 in the inside of increasing the weight of body 5.Shackle member 44 in the present embodiment is for being the steel bar of arcuation, and an end of steel bar is connected in and increases the weight of in the body 5, and steel bar is two and is symmetricly set on and increases the weight of in the body 5.The steel bar that is arcuation has elasticity, can be conveniently to the dismounting and the installation of bonnet 4.
Because bonnet 4 axially can lifting, and valve body 3 can circumferentially rotate, thereby can drive bonnets 4 liftings by rotating valve body 3 like this when valve body 3 circumferentially rotates, thus the adjusting of realization force value.Specifically, as shown in Figure 1, when pressure adjusting structure was in initial position, bonnet 4 was in the decline state, and be buckled on the blast pipe 1 this moment top 41, so the force value maximum, promptly is in the high pressure shelves.That is to say that when pressure regulation piece 43 did not contact with pressure regulation step 31, top 41 were fastened on the blast pipe 1, be in the high pressure shelves this moment.When valve body 3 turned an angle, bonnet 4 rose, and top 41 begin to break away from blast pipe 1, and this moment, force value reduced, and promptly was in the low pressure shelves.That is to say when pressure regulation piece 43 when lower pressure regulation step 31 contacts, top 41 begin to break away from blast pipe 1, are in the low pressure shelves this moment.As shown in Figure 2, when valve body 3 is rotated further certain angle, top 41 break away from blast pipe 1 fully, are the exhaust shelves this moment.That is to say when pressure regulation piece 43 when higher pressure regulation step 31 contacts, pressure regulation step 31 is in the exhaust shelves this moment with bonnet 4 jack-up.
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 blast pipe 1, valve seat 2, limited post 21, valve body 3, pressure regulation step 31, lifting inclined-plane 31a, annular groove 32, handle 33, bonnet 4, top 41, steam vent 42, pressure regulation piece 43, shackle member 44, increased the weight of terms such as body 5, recess 51 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. gravity-type pressure-regulating and pressuring-limiting valve, the blast pipe (1) that is arranged at pressure cooker lid is located, comprise the tubular valve seat (2) that is fixed on the pot cover and is positioned at blast pipe (1) periphery, in valve seat (2), be provided with and be placed in the peripheral valve body (3) of blast pipe (1), described valve body (3) can circumferentially rotate with respect to valve seat (2), be fixed with bonnet (4) at the top of valve body (3), described bonnet (4) has top (41) that can be buckled on the blast pipe (1), on bonnet (4), have steam vent (42), it is characterized in that, be provided with the pressure adjusting structure that can drive described bonnet (4) lifting when valve body (3) when circumferentially rotating between described valve body (3) and the bonnet (4).
2. gravity-type pressure-regulating and pressuring-limiting valve according to claim 1, it is characterized in that, described pressure adjusting structure comprises the pressure regulation piece (43) that is fixed on bonnet (4) bottom and is arranged on three pressure regulation steps (31) of valve body (3) bottom that described pressure regulation piece (43) can be resisted against on the described pressure regulation step (31).
3. gravity-type pressure-regulating and pressuring-limiting valve according to claim 2 is characterized in that, described pressure regulation step (31) sidepiece has lifting inclined-plane (31a) respectively.
4. according to claim 2 or 3 described gravity-type pressure-regulating and pressuring-limiting valves, it is characterized in that, described pressure regulation piece (43) be three and respectively with the above-mentioned corresponding setting of three pressure regulation steps (31).
5. gravity-type pressure-regulating and pressuring-limiting valve according to claim 1 and 2, it is characterized in that, described valve body (3) is set in the described valve seat (2), the limiting section that described valve body (3) bottom has two symmetries, described valve seat (2) bottom offers the annular spacing groove with the corresponding setting of above-mentioned limiting section, and above-mentioned limiting section can pass annular spacing groove and be resisted against valve seat (2) end.
6. gravity-type pressure-regulating and pressuring-limiting valve according to claim 5, it is characterized in that, described valve seat (2) inner bottom part is provided with limited post (21), described valve body (3) bottom is provided with annular groove (32), described limited post (21) can pass annular groove (32), and be connected with described bonnet (4), described limited post (21) can make bonnet (4) with respect to the circumferential location of valve seat (2).
7. gravity-type pressure-regulating and pressuring-limiting valve according to claim 6, it is characterized in that, described bonnet (4) bottom is fixed with increases the weight of body (5), described bottom of increasing the weight of body (5) is provided with the recess (51) that can be placed on the above-mentioned limited post (21), and described inside of increasing the weight of body (5) also is provided with and can prevents that bonnet (4) breaks away from the shackle member (44) of blast pipe (1).
8. gravity-type pressure-regulating and pressuring-limiting valve according to claim 7 is characterized in that, described shackle member (44) is two and is symmetricly set on described increasing the weight of in the body (5).
9. gravity-type pressure-regulating and pressuring-limiting valve according to claim 8 is characterized in that, described shackle member (44) is for being the steel bar of arcuation, and an end of described steel bar is connected in and increases the weight of in the body (5).
10. gravity-type pressure-regulating and pressuring-limiting valve according to claim 1 and 2 is characterized in that, described valve body (3) outside is provided with handle (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790761U CN201840306U (en) | 2010-10-27 | 2010-10-27 | Gravity type pressure-regulating and pressure-limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205790761U CN201840306U (en) | 2010-10-27 | 2010-10-27 | Gravity type pressure-regulating and pressure-limiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201840306U true CN201840306U (en) | 2011-05-25 |
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ID=44035215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205790761U Expired - Lifetime CN201840306U (en) | 2010-10-27 | 2010-10-27 | Gravity type pressure-regulating and pressure-limiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201840306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
-
2010
- 2010-10-27 CN CN2010205790761U patent/CN201840306U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
| CN107136911B (en) * | 2016-03-01 | 2023-03-14 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting structure and pressure cooker with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |