CN211299490U

CN211299490U - Improved exhaust valve for pressure cooker

Info

Publication number: CN211299490U
Application number: CN201921625797.9U
Authority: CN
Inventors: 应强
Original assignee: Zhejiang Double Strong Industry And Trade Co ltd
Current assignee: Zhejiang Double Strong Industry And Trade Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-08-21
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an improved generation pressure cooker discharge valve, its technical scheme main points are: the utility model provides an improved generation pressure cooker discharge valve, includes valve cap, exhaust passage, is equipped with the end cap that is used for shutoff exhaust passage on the valve cap, and the one end of keeping away from exhaust passage on the end cap is equipped with the spring, is equipped with the push rod that runs through in the spring on the end cap, is equipped with the exhaust hole on the valve cap, and the one end of keeping away from the end cap on the push rod is equipped with self-locking mechanism, and self-locking mechanism makes the unable shutoff state to. The utility model discloses an improved generation pressure cooker discharge valve can both be automatic to the pressure cooker exhaust when the pressure cooker heating with the stop heating.

Description

Improved exhaust valve for pressure cooker

Technical Field

The utility model relates to an exhaust valve, more specifically say, it relates to an improved generation pressure cooker exhaust valve.

Background

The pressure cooker is widely applied to various families because the pressure cooker reduces the cooking time of food materials in the domestic high-pressure environment in the heating process by putting the food materials into the cooker body and fastening the cooker cover. In the existing pressure cooker, an exhaust valve is provided for exhausting gas in the cooker to reduce the pressure in the cooker, so as to prevent the pressure in the cooker from being too high and to avoid accidents caused by frying the cooker. When the pressure cooker is stopped heating after cooking is finished, the existing exhaust valve stops exhausting because the air pressure in the cooker is not increased any more, and the valve cap needs to be opened manually for exhausting.

In order to solve the above problems, chinese patent No. CN207679294U discloses an exhaust valve for a pressure cooker, in which a valve cap is provided on an exhaust pipe, a balance weight plug for plugging the exhaust pipe is provided in the valve cap, a spring is provided on the balance weight plug, and a left exhaust hole and a right exhaust hole are provided on the valve cap. In the process of heating the pressure cooker, the counterweight plug blocks the exhaust pipe under the action of the spring, so that the pressure in the pressure cooker is continuously increased; when the pressure in the pressure cooker is too high, the gas in the pressure cooker pushes the counterweight plug open, so that the gas can be discharged through the vent hole on the valve cap, and the pressure in the pressure cooker is reduced. When the pressure cooker is stopped heating, the air pressure in the cooker is not increased any more, so that the exhaust pipe is blocked by the counterweight plug again, the exhaust cannot be continued, and the exhaust is required to be performed by hand.

SUMMERY OF THE UTILITY MODEL

When stopping heating the pressure cooker to prior art existence, still need carry out the not enough of gassing to the pressure cooker through the manual valve cap of opening, the utility model aims to provide a can be when the pressure cooker heating with stop heating, can both carry out carminative improved generation pressure cooker discharge valve to the pressure cooker automatically.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an improved generation pressure cooker discharge valve, includes valve cap, exhaust passage, be equipped with the end cap that is used for shutoff exhaust passage on the valve cap, the one end of keeping away from exhaust passage on the end cap is equipped with the spring, be equipped with the push rod that runs through in the spring on the end cap, be equipped with the exhaust hole on the valve cap, the one end of keeping away from the end cap on the push rod is equipped with self-locking mechanism, self-locking mechanism makes the unable shutoff state to exhaust passage that resumes of end cap.

By adopting the technical scheme, the exhaust passage is arranged on the valve cap to guide the gas in the pressure cooker into the valve cap, the plug for plugging the exhaust passage is arranged on the valve cap, the spring is arranged at one end of the plug, which is far away from the exhaust passage, and the plug has a pressing effect on the exhaust passage under the action of the spring, so that the plugging effect on the exhaust passage can be better generated; a push rod penetrating through the spring is arranged on the plug and used for guiding a deformation path of the spring to avoid deviation; the valve cap is provided with an exhaust hole for exhausting gas to the outside; one end of the push rod, which is far away from the plug, is provided with a self-locking mechanism, when the pressure in the pressure cooker is strong enough to jack the plug, the push rod is pushed to move upwards, the plug cannot block the exhaust channel again under the action of the spring under the action of the self-locking mechanism, and the pressure cooker can continuously exhaust gas to open the cooker cover.

The utility model discloses further set up to: and an external thread is arranged at one end of the push rod, which is far away from the plug, and a screw rod is meshed with the external thread.

Through adopting above-mentioned technical scheme, the one end of keeping away from the end cap on the push rod is equipped with the external screw thread to there is the lead screw through the external screw thread meshing, because the self-locking action of lead screw makes the unable whereabouts of end cap.

The utility model discloses further set up to: be equipped with first recess on the valve cap, the first bearing of fixedly connected with in the first recess, the inner wall fixed connection of lead screw and first bearing, the one end that first bearing was kept away from to the lead screw is equipped with first knob.

Through adopting above-mentioned technical scheme, be equipped with first recess on the valve cap, the first bearing of fixedly connected with in the first recess, the inner wall fixed connection of lead screw and first bearing is used for guaranteeing the stability and the pivoted of lead screw smooth-going through setting up first recess and first bearing, and the one end that first bearing was kept away from to the lead screw is equipped with first knob, makes the lead screw rotate and drives the end cap and form the shutoff to exhaust duct again through adjusting first knob.

The utility model discloses further set up to: and one end of the push rod, which is far away from the plug, is provided with an external thread and is meshed with a gear, and the gear is meshed with the external thread on the push rod through the internal thread.

Through adopting above-mentioned technical scheme, through the setting have the internal screw thread gear with set up the meshing that is equipped with the external screw thread in the one end that the end cap was kept away from to the push rod, form the auto-lock effect under the effect of gear.

The utility model discloses further set up to: be equipped with the lug with the gear is with the axle center on the gear, be equipped with the second recess on the valve cap, be equipped with the second bearing in the second recess, the outer wall of lug and the inner wall laminating of second bearing, the one end that the end cap was kept away from to the push rod is equipped with the second knob.

Through adopting above-mentioned technical scheme, be equipped with the lug with the gear coaxial center on the gear, be equipped with the second recess on the valve cap, through installing the lug in the second recess in order to guarantee gear revolve's steady, be equipped with the second bearing in the second recess, the outer wall of lug and the inner wall laminating of second bearing, be used for guaranteeing gear revolve's smooth-going, the one end of keeping away from the end cap at the push rod is equipped with the second knob, make the push rod rotate and move down under the effect of first gear through adjusting the second knob, make the end cap form the shutoff to exhaust duct again.

The utility model discloses further set up to: the valve cap is fixedly connected with a limiting cover, and the limiting cover is connected with the gear in a rotating mode and is attached to the gear in a shape.

Through adopting above-mentioned technical scheme, the spacing cover of fixedly connected with on the valve cap, spacing cover is connected and is laminated with the gear appearance with gear revolve, and when the push rod was upwards jacked up, for avoiding the gear to be driven upward movement and influence the auto-lock effect, through setting up spacing cover with the gear restriction in the second recess.

The utility model discloses further set up to: be equipped with the sunshade on the exhaust hole, the sunshade is articulated with the valve cap.

Through adopting above-mentioned technical scheme, be equipped with the sunshade in exhausting the hole, when the pressure cooker is in idle state, can avoid dust etc. to get into the valve cap through exhausting the hole under the effect of sunshade, the sunshade is articulated with the valve cap, when heating the pressure cooker, when gaseous dashes open the end cap from exhausting the hole in exhausting, gaseous can be with sunshade jack-up, can not influence exhaust effect.

The utility model discloses further set up to: the push rod is provided with a push plate, the spring is arranged between the push plate and the top of the valve cap, and the push plate is attached to the inner wall of the valve cap.

Through adopting above-mentioned technical scheme, be equipped with the push pedal on the push rod, the spring is located between the top of push pedal and valve cap, and the inner wall laminating of push pedal and valve cap, has formed the sealed effect through the space of above design with the spring place, makes gas can not exert an influence to the spring, has prolonged the life of spring.

To sum up, the utility model discloses following beneficial effect has:

1. the self-locking mechanism is arranged to form a self-locking effect on the plug, so that the pressure cooker can be automatically exhausted when the pressure cooker is heated and stops heating.

2. Because the gears and the like have tooth spaces, the plugging effect of the plugs on the exhaust channel can be influenced, and the plugging effect of the plugs can be ensured by arranging the springs.

3. The influence of gas on the spring is avoided by arranging the shielding plate, and the service life of the spring is prolonged.

Drawings

Fig. 1 is a schematic view of an improved exhaust valve for pressure cooker for embodying the external structure design of the present invention;

fig. 2 is a schematic structural diagram of the first embodiment, which is used for embodying the structural design of the first embodiment;

fig. 3 is a schematic structural diagram of the second embodiment, which is used for embodying the structural design of the second embodiment.

In the figure: 1. a bonnet; 2. an exhaust hole; 3. a first bearing; 4. a first groove; 5. a screw rod; 6. a push rod; 7. a first knob; 8. a spring; 9. a shutter; 10. pushing the plate; 11. a plug; 12. an exhaust passage; 13. a second bearing; 14. a limiting cover; 15. a gear; 16. a second knob; 17. a bump; 18. a second groove.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An improved exhaust valve for pressure cookers, as shown in fig. 1, 2, 3, an exhaust passage 12 is provided on a valve cap 1 to guide the gas in the pressure cooker into the valve cap 1, a plug 11 for plugging the exhaust passage 12 is provided on the valve cap 1, a spring 8 is provided at one end of the plug 11 far from the exhaust passage 12, the plug 11 has a pressing effect on the exhaust passage 12 under the action of the spring 8, and can better generate a plugging effect on the exhaust passage 12; a push rod 6 penetrating through the spring 8 is arranged on the plug 11 and used for guiding a deformation path of the spring 8 to avoid deviation; the valve cap 1 is provided with an exhaust hole 2 for exhausting gas to the outside; the push rod 6 is provided with the push plate 10, the spring 8 is arranged between the push plate 10 and the top of the valve cap 1, the push plate 10 is attached to the inner wall of the valve cap 1, and the space where the spring 8 is located is sealed through the design, so that gas cannot affect the spring 8, and the service life of the spring 8 is prolonged; be equipped with sunshade 9 on exhaust hole 2, when the pressure cooker is in idle state, can avoid dust etc. to get into valve cap 1 through exhaust hole 2 under the effect of sunshade 9 in, sunshade 9 is articulated with valve cap 1, when heating the pressure cooker, when gaseous dashes open end cap 11 and discharges from exhaust hole 2, gaseous can be with sunshade 9 jack-up, can not influence exhaust effect.

The first embodiment is as follows: as shown in fig. 2, the self-locking mechanism includes a screw rod 5, an external thread is provided at one end of the push rod 6 far away from the plug 11, the push rod 6 is engaged with the screw rod 5 through the external thread, and the plug 11 cannot fall down due to the self-locking action of the screw rod 5. Be equipped with first recess 4 on valve cap 1, fixedly connected with first bearing 3 in the first recess 4, the inner wall fixed connection of lead screw 5 and first bearing 3 is used for guaranteeing lead screw 5's stability and pivoted smooth-going through setting up first recess 4 and first bearing 3, and the one end that first bearing 3 was kept away from to lead screw 5 is equipped with first knob 7, makes lead screw 5 rotate and drives end cap 11 and form the shutoff to exhaust duct again through adjusting first knob 7.

Example two: as shown in fig. 3, the self-locking mechanism includes a gear 15 with an internal thread, an external thread is provided at an end of the push rod 6 away from the plug 11, the push rod 6 is engaged with the screw rod 5 through the external thread, and self-locking is realized under the action of the gear 15 to prevent the plug 11 from falling. A lug 17 which is coaxial with the gear 15 is arranged on the gear 15, a second groove 18 is arranged on the valve cap 1, and the lug 17 is arranged in the second groove 18 to ensure the smooth rotation of the gear 15; the valve cap 1 is fixedly connected with a limit cover 14, the limit cover 14 is rotatably connected with the gear 15 and is attached to the appearance of the gear 15, and when the push rod 6 is pushed upwards, the gear 15 is limited in the second groove 18 by the limit cover 14 in order to prevent the gear 15 from being driven to move upwards to influence the self-locking effect. The second bearing 13 is arranged in the second groove 18, the outer wall of the convex block 17 is attached to the inner wall of the second bearing 13 and used for ensuring smooth rotation of the gear 15, the second knob 16 is arranged at one end, far away from the plug 11, of the push rod 6, the push rod 6 is rotated by adjusting the second knob 16 and moves downwards under the action of the first gear 15, and the plug 11 is enabled to block the exhaust pipeline again.

When the pressure cooker is heated, the pressure in the pressure cooker is continuously increased, and the plug 11 can still form a blocking effect on the exhaust channel 12 under the action of the self-locking mechanism and the spring 8; when the pressure is increased to the critical point, the gas pushes the plug 11 open and is discharged from the exhaust hole 2; when the pressure cooker is stopped being heated, the pressure intensity in the pressure cooker begins to be reduced, the plug 11 can not fall down to form a plug for the exhaust passage 12 again under the action of the self-locking mechanism, the pressure cooker can still continuously exhaust until the domestic pressure intensity is close to the atmospheric pressure, and the pressure cooker can be opened to take out the food in the pressure cooker in the shortest time.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an improved generation pressure cooker discharge valve, includes valve cap (1), exhaust passage (12), be equipped with end cap (11) that are used for shutoff exhaust passage (12) on valve cap (1), the one end of keeping away from exhaust passage (12) on end cap (11) is equipped with spring (8), be equipped with push rod (6) that run through in spring (8) on end cap (11), be equipped with exhaust hole (2) on valve cap (1), its characterized in that: and a self-locking mechanism is arranged at one end of the push rod (6) far away from the plug (11), and the self-locking mechanism enables the plug (11) not to restore the plugging state of the exhaust channel (12).

2. The improved exhaust valve for pressure cooker as claimed in claim 1, wherein: and an external thread is arranged at one end of the push rod (6) far away from the plug (11) and is meshed with the screw rod (5).

3. The improved exhaust valve for pressure cooker as claimed in claim 2, wherein: be equipped with first recess (4) on valve cap (1), the first bearing of fixedly connected with (3) in first recess (4), the inner wall fixed connection of lead screw (5) and first bearing (3), the one end that first bearing (3) were kept away from in lead screw (5) is equipped with first knob (7).

4. The improved exhaust valve for pressure cooker as claimed in claim 1, wherein: and one end of the push rod (6) far away from the plug (11) is provided with an external thread and is meshed with a gear (15), and the gear (15) is meshed with the external thread on the push rod (6) through the internal thread.

5. The improved exhaust valve for pressure cooker as claimed in claim 4, wherein: be equipped with lug (17) with gear (15) with the axle center on gear (15), be equipped with second recess (18) on valve cap (1), be equipped with second bearing (13) in second recess (18), the outer wall of lug (17) and the inner wall laminating of second bearing (13), the one end that end cap (11) were kept away from in push rod (6) is equipped with second knob (16).

6. The improved exhaust valve for pressure cooker as claimed in claim 5, wherein: the valve cap (1) is fixedly connected with a limiting cover (14), and the limiting cover (14) is rotatably connected with the gear (15) and is attached to the gear (15) in shape.

7. The improved exhaust valve for pressure cooker as claimed in claim 1, wherein: be equipped with sunshade (9) on exhaust hole (2), sunshade (9) are articulated with valve cap (1).

8. The improved exhaust valve for pressure cooker as claimed in claim 1, wherein: be equipped with push pedal (10) on push rod (6), between the top of push pedal (10) and valve cap (1) was located in spring (8), the inner wall laminating of push pedal (10) and valve cap (1).