CN208658696U - Pressure relief device and cooking apparatus for cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of pressure relief devices and cooking apparatus for cooking apparatus, the relief hole that the cooking apparatus has cooking cavity and is connected with the cooking cavity, the pressure relief device includes: seal assembly, the seal assembly is located at the relief hole and including closeouts movable along the longitudinal, and the closeouts are used to open and block the relief hole；Driving assembly, the driving component are set to the top of the seal assembly and including along the longitudinally moveable driving portion, the driving portion is for driving the closeouts mobile.According to the pressure relief device for cooking apparatus of the utility model embodiment, by the way that the closeouts that can be moved longitudinally are arranged and along the driving portion moved in the same direction, so that pressure relief device the space occupied becomes smaller, to realize the miniaturization of structure；The driving portion of longitudinal movement can directly compress relief hole simultaneously, improve reliability of structure.

Description

Pressure relief device and cooking apparatus for cooking apparatus

Technical field

The utility model relates to living electric apparatus technical fields, fill in particular to a kind of pressure release for cooking apparatus It sets and cooking apparatus.

Background technique

The pressure release component of vacuum electrothermal pot in the related technology is made of electromagnet and small ball, by small ball by pressure release Hole is blocked, to make to be sealed in cooking cavity；When electric cooker needs return to normal pressure state from negative pressure state, then pass through electromagnetism Iron pushes bead open, to carry out pressure release.However, pressure release modular construction is complicated, occupied space is big, so that upper cover volume increases, It is unfavorable for the Miniaturization Design of vacuum electrothermal pot, there are rooms for improvement.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of pressure relief device for cooking apparatus, the pressure relief device occupy little space out, and structure is simple.

The utility model also proposes a kind of cooking apparatus with above-mentioned pressure relief device.

The pressure relief device of cooking apparatus is used for according to the utility model first aspect embodiment, the cooking apparatus, which has, to be cooked It prepares food chamber and the relief hole that is connected with the cooking cavity, the pressure relief device includes: seal assembly, and the seal assembly is located at described At relief hole and including closeouts movable along the longitudinal, the closeouts are used to open and block the relief hole；Driving group Part, the driving component are set to the top of the seal assembly and including along the longitudinally moveable driving portion, the drivings Portion is for driving the closeouts mobile.

According to the pressure relief device for cooking apparatus of the utility model embodiment, can be moved longitudinally by setting Closeouts and along the driving portion moved in the same direction, so that pressure relief device the space occupied becomes smaller, to realize the miniaturization of structure；Together When the driving portion that vertically moves can directly compress relief hole, improve reliability of structure.

According to the pressure relief device for cooking apparatus of the utility model embodiment, the driving component further includes electromagnet With the electromagnet push-rod by the solenoid actuated, the electromagnet push-rod is connect with the driving portion.

Optionally, the electromagnet push-rod is threadedly coupled with the driving portion.

Optionally, the end of the electromagnet push-rod has retaining part, and the driving component further includes return springs, institute The both ends for stating return springs are only supported with the retaining part and the electromagnet respectively to be connect.

Further, the return springs are spring, and the spring pocket is set to the electromagnet push-rod.

According to the pressure relief device for cooking apparatus of the utility model embodiment, the driving portion have bottom-open and Along the channel longitudinally extended, the driving portion is fastened on the closeouts and moves relative to the closeouts.

Specifically, in the channel be equipped with pressure control elastic component, the both ends of the pressure control elastic component respectively with the closeouts Connection is only supported with the driving portion.

According to the pressure relief device for cooking apparatus of the utility model embodiment, the seal assembly further include: sealing Part, the sealing element are connect with the closeouts, are used to open and block the relief hole.

Further, the seal assembly further include: ring compression part, the ring compression part are adapted to be mounted to described cook Prepare food utensil lid and be located at the top of the relief hole, the middle part of the sealing element connect with the bottom of the closeouts, institute The outer peripheral edge for stating sealing element is located between the lid and the ring compression part.

According to the cooking apparatus of the utility model second aspect embodiment, comprising: pot body, the pot body are opened wide with top Cooking cavity；Lid, the lid are movably installed between open and closed positions to the pot body, the pressure release Hole is set to the lid；With the pressure relief device for cooking apparatus according to the utility model embodiment, the pressure relief device is set In in the lid.By using above-mentioned pressure relief device, the occupied space of pressure relief device is reduced, so as to reduce cooking pot The volume of tool, while improving reliability of structure.

Specifically, the lid have aspirating hole, the cooking apparatus further include: vacuum plant, the vacuum plant with The aspirating hole connection is will form negative pressure in the cooking cavity.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram according to the cooking apparatus of the utility model embodiment；

Fig. 2 is the enlarged drawing of A structure in Fig. 1；

Fig. 3 is the layout according to air extractor, pressure relief device of the utility model one embodiment etc. on lid；

Fig. 4 is the layout according to air extractor, pressure relief device of another embodiment of the utility model etc. on lid；

Fig. 5 is the enlarged drawing of B structure in Fig. 4.

Appended drawing reference:

Cooking apparatus 100,

Pot body 10, cooking cavity 11,

Lid 20, relief hole 21, aspirating hole 22, installing port 23,

Pressure relief device 30,

Seal assembly 31,

Ring compression part 311, circular passage 3110, mounting groove 3111, the first convex ribs 3112, the second convex ribs 3113,

Pressure control elastic component 312,

Sealing element 313, movable part 3131, card slot 31311, fixed part 3132, annular seal groove 31321,

Closeouts 314, clamp 3141,

Driving assembly 32, driving portion 321, channel 3211, electromagnet 322, electromagnet push-rod 323, retaining part 3231 reset Elastic component 324,

Vacuum plant 40,

Annular brace muscle 50, retention bead 51.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Fig. 5 description according to the pressure relief device 30 for cooking apparatus of the utility model embodiment.

As Figure 1-Figure 5, cooking cavity 11 and pressure release are had according to the cooking apparatus 100 of the utility model one embodiment Hole 21, relief hole 21 and cooking cavity 11 are connected, and pressure relief device 30 includes: seal assembly 31 and driving assembly 32.

Seal assembly 31 is arranged at relief hole 21, and seal assembly 31 includes closeouts 314, and closeouts 314 can be along vertical It is mobile to (up and down direction as shown in Figure 1), it is used to open and blocks relief hole 21.Driving assembly 32 is arranged in seal assembly 31 Top, driving assembly includes driving portion 321, driving portion 321 can along longitudinal direction (up and down direction as shown in Figure 1) it is mobile, use It is moved up and down in driving closeouts 314.

According to the pressure relief device 30 for cooking apparatus of the utility model embodiment, can be moved longitudinally by setting Closeouts 314 and along the driving portion 321 moved in the same direction so that 30 the space occupied of pressure relief device becomes smaller, to realize structure Miniaturization；The driving portion 321 of longitudinal movement can directly compress relief hole 21 simultaneously, improve reliability of structure.

One embodiment according to the present utility model, driving assembly 32 further include electromagnet 322 and electromagnet push-rod 323, Electromagnet push-rod 323 is driven by electromagnet 322, and electromagnet push-rod 323 is connect with driving portion 321, by controlling electromagnet 322 Energization and power-off, can control the movement of driving portion 321, to drive closure part 314 mobile, and then open or block pressure release Hole 21.

As shown in figure 5, in some instances, there is threaded hole, one end of electromagnet push-rod 323 is (as schemed on driving portion 321 Lower end shown in 5) there is screw thread, electromagnet push-rod 323 is connect with driving portion 321 by being threadedly engaged, and structure is simple, connection side Just.

Certainly, driving portion 321 also can have threaded cylindrical, have threaded hole, driving portion 321 on electromagnet push-rod 323 Threaded cylindrical be mounted in threaded hole, the height and position of driving portion 321 can also be adjusted by screw thread rotation.

In other examples, electromagnet push-rod 323 can also be clamped with driving portion 321 and connect.Specifically, electromagnet pushes away The lower end of 323 side wall of bar has the annular recess being recessed inwardly, and driving portion 321 can be connected in annular recess, to make Electromagnet push-rod 323 is fixedly connected with driving portion 321.

As shown in figure 5, in some instances, the end (upper end end as shown in Figure 5) of electromagnet push-rod 323 has only Support 3231, driving assembly 32 further include return springs 324, and one end of return springs 324 and retaining part 3231 are only to company It connects, the other end and electromagnet 322 of return springs 324 only support connection.When electromagnet push-rod 323 is moved relative to electromagnet 322 When dynamic, deformation occurs for return springs 324.

In some specific examples, return springs 324 are spring, and spring is set on electromagnet push-rod 323.It resets Elastic component 324 can play buffer function to the movement of electromagnet push-rod 323, after electromagnet 321 powers off, electromagnet push-rod 323 can be mobile by the elastic force of return springs 324.

One embodiment according to the present utility model, driving portion 321 have the channel 3211 of bottom-open, 3211 edge of channel Longitudinal (up and down direction in Fig. 5) extends, and driving portion 321 is fastened in closeouts 314, and driving portion 321 can be relative to envelope Blocking piece 314 is mobile.

As shown in figure 5, the lower end of driving portion 321, which is formed, can be set in outside closeouts 314 in some specific examples The annular driving portion of side, the bottom of annular driving portion have the boss protruded inwardly, and the upper end of closeouts 314 has outward Grab outstanding, to make closeouts 314 be connected in annular driving portion, and annular driving portion can be relative to closeouts 314 It is mobile.

In some instances, be equipped with pressure control elastic component 312 in channel 3211, the both ends of pressure control elastic component 312 respectively with envelope Blocking piece 314 and driving portion 321 only support connection.Pressure control elastic component 312 can play the role of buffering to the movement of closeouts 314, The problem of can leading to poor sealing simultaneously to avoid rigging error, avoid the occurrence of the case where blocking.Also, by channel 3211 Interior setting pressure control elastic component 312 can overcome pressure control bullet by the air pressure in cooking cavity 11 when pressure relief device 30 fails Property part 312 elastic force and open relief hole 21, realize pressure release, play the role of safeguard protection to cooking apparatus 100, guarantee culinary art The normal work of utensil 100.

In some instances, seal assembly 31 further includes sealing element 313, and sealing element 313 is connect with closeouts 314, sealing Part 313 is used to open and blocks relief hole 21.Sealing element 313 can be flexible seals, can be improved by flexible seals To the leakproofness of relief hole 21.

Further, seal assembly 31 further includes ring compression part 311, and ring compression part 311 may be mounted at cooking pot On the lid 20 of tool 100, and ring compression part 311 is located at the top of relief hole 21, and the outer peripheral edge of sealing element 313 is sealedly connected on The bottom of ring compression part 311, and be located between lid 20 and ring compression part 311, to ensure that the peace of sealing element 313 Fill reliability and leakproofness.The middle part of sealing element 313 is connect with closeouts 314, to allow the middle part of sealing element 313 with envelope Blocking piece 314 is mobile, to open and block relief hole 21.

As shown in Figure 4 and Figure 5, in some specific examples, sealing element 313 includes: movable part 3131 and fixed part 3132, the middle part of movable part 3131 has card slot 31311, and the lower end side peripheral wall of closeouts 314 has annular groove in closeouts 314 lower end forms clamp 3141, and card slot 31311 and the clamping of clamp 3141 connect.

The surface of relief hole 21 has annular brace muscle 50, has annular seal groove 31321, annular on fixed part 3132 Supporting rib 50 and the clamping of annular seal groove 31321 connect.The outer peripheral edge of fixed part 3132 is pressed on by ring compression part 311 simultaneously The upper surface of annular brace muscle 50.Preferably, the upper surface of annular brace muscle 50 is equipped with retention bead 51, increases annular brace Frictional force between muscle 50 and fixed part 3132.

In some specific examples, also there is installing port 23 on lid 10, installing port 23 is limited by annular brace muscle 50 Out, ring compression part 311 is arranged at installing port 23, has circular passage 3110, circular passage 3110 in ring compression part 311 Center line along relief hole 21 extends, and the outer peripheral edge of sealing element 313 is connected to outer peripheral edge and the ring compression part 311 of installing port 23 Between, closeouts 314 are movably disposed in circular passage 3110, and closeouts 314 are connect with the middle part of sealing element 313, are driven Dynamic component 32 is connect with closeouts 314, for driving closeouts 314 mobile, to open and block relief hole 21.

Further, driving assembly 32 is pressed on the top of ring compression part 311, to make 32 pairs of annular pressures of driving assembly Tight part 311 generates certain pressure, compresses annular compressing member 311 using driving assembly 32, presses ring compression part 311 further Tight seal 313, to realize that the installation of pressure relief device 30 is fixed.

In some instances, the top of ring compression part 311 has mounting groove 3111, and mounting groove 3111 is for accommodating driving At least part of component 32, so that driving assembly 32 is located in the mounting groove 3111 of ring compression part 311.Wherein, pacify The cross sectional dimensions of tankage 3111 is greater than the cross sectional dimensions of circular passage 3110, improves the stability of ring compression part 311.

Further, the bottom of ring compression part 311 has the first convex ribs 3112, and the first convex ribs 3112 can be by sealing element 313 outer peripheral edge is pressed on the outer peripheral edge (i.e. the upper surface of annular brace muscle 50) of installing port 23, passes through the first convex ribs 3112 The top interference fit of pressuring action, the bottom and sealing element 313 that make ring compression part 311 connects, and prevents sealing element 313 de- It falls, while improving leakproofness.

In some instances, the bottom of ring compression part 311 also has the second convex ribs 3113, and the second convex ribs 3113 are plugged on In installing port 23, sealing element 313 can be pressed on the inner wall of installing port 23 by the second convex ribs 3113, to further prevent close Sealing 313 falls off, and improves reliability of structure.

Optionally, ring compression part 311 radially, the second convex ribs 3113 are located at the inside of the first convex ribs 3112, from And at least part of ring compression part 311 is fixed at installing port 23, to make ring compression part 311 to sealing element 313 Radial direction and axial dual fixation, improve sealing effect, while being easily installed fixation, improve assembly efficiency.

In some specific examples, at least part shape of second convex ribs 3113 towards a side surface of the first convex ribs 3112 At inclined surface, i.e., from the top of ring compression part 311 to the bottom of ring compression part 311, gradually inclination extends inwardly, thus Ring compression part 311 and sealing element 313 is interference fitted to connect, further improve ring compression part 311 and sealing element 313 it Between leakproofness.

Advantageously, the first convex ribs 3112 form the annular convex rib of the circumferentially extending along ring compression part 311, so as to more The outer peripheral edge of sealing element 313 is pressed on to well the outer peripheral edge of installing port 23, prevents it from falling off.

In other examples, the second convex ribs 3113 form annular convex rib, circumferential direction of the annular convex rib along ring compression part 311 Extend, so as to which sealing element 313 to be preferably pressed on to the inner wall of installing port 23, guarantees the leakproofness of connection.

According to the cooking apparatus of the utility model second aspect embodiment, comprising: pot body 10, lid 20 and according to this is practical The pressure relief device 30 for cooking apparatus of novel first aspect embodiment.

Pot body 10 has the open cooking cavity 11 in top, and lid 20 is mounted in pot body 10, and lid 20 can be in open position It is movable between closed position to set, and relief hole 21 is arranged on lid 20, and pressure relief device 30 is arranged in lid 20.By using Above-mentioned pressure relief device 30, reduces the occupied space of pressure relief device 30, so as to reduce the volume of cooking apparatus 100, simultaneously Improve reliability of structure.

In some instances, also there is aspirating hole 22, cooking apparatus 100 further includes vacuum plant 40, vacuum on lid 20 Device 40 is connected to aspirating hole 22, so as to form negative pressure in cooking cavity 11.Optionally, vacuum plant 40 can be miniature Diaphragm pump, cylinder-piston assembly etc..

Below with reference to Fig. 1-Fig. 5 description according to the cooking apparatus 100 of the utility model embodiment.Here cooking apparatus 100 can be electric cooker, electric cooker, electric pressure cooking saucepan etc..

Cooking apparatus 100 includes: pot body 10, lid 20, pressure relief device 30 and vacuum plant 40.Pot body 10 is spacious with top The bottom of the cooking cavity 11 opened, pot body 10 is equipped with heating device.Lid 20 is mounted in pot body 10, there is relief hole 21 on lid 20 With aspirating hole 22.Pressure relief device 30 and vacuum plant 40 are arranged in lid 20, and vacuum plant 40 is Miniature diaphragm pump, pressure release dress Setting 30 includes seal assembly 31 and driving assembly 32.

Driving assembly 32 includes driving portion 321, electromagnet 322, electromagnet push-rod 323 and return springs 324.Reset bullet Property part 324 be set in the outside of electromagnet push-rod 323, the upper end of spring 324 is only supported with the retaining part 3231 of electromagnet push-rod 323 Connection, lower end and electromagnet 322 only support connection.

Seal assembly 31 includes ring compression part 311, sealing element 313 and closeouts 314, and the outer peripheral edge of sealing element 313 is close Envelope is connected to the bottom of ring compression part 311, and is located between lid 20 and ring compression part 311, the middle part of sealing element 313 It is clamped and connects with closeouts 314.

Between closeouts 314 and driving portion 321 also have pressure control elastic component 312, the both ends of pressure control elastic component 312 respectively with Closeouts 314 and driving portion 321 only support connection, when driving portion 321 moves down, pressure control elastic component 312 can be made to be pressurized, pushed away Dynamic closeouts 314 and sealing element 313 move downwardly together, block relief hole 21.

When needing to be evacuated cooking cavity 11, pressure relief device 30 works so as to realize sealing in cooking cavity 11.Specifically Ground, control process control electromagnet 322, which is powered, to be attracted, and electromagnet push-rod 323 moves down, and return springs 324 are compressed, and is driven Driving portion 321 moves down, and after pressure control elastic component 312 is pressurized, pushes closeouts 314 and sealing element 313 to move down, closure is let out Hole 21 is pressed, to realize the sealing in cooking cavity 11.Vacuum plant 40 can be evacuated cooking cavity 11 at this time, so that cooking cavity 11 Interior formation negative pressure state.

When needing to carry out pressure release, control process control electromagnet 322 is powered off, and return springs 324 are restored, and drives electromagnetism Iron push rod 323 moves up, and drives closeouts 314 and sealing element 313 to move up, to open relief hole 21, and then makes to cook Chamber 11 and extraneous conducting, realize pressure release.

Certainly, the above-mentioned course of work is only a preferred scheme, when the energization of electromagnet 322 is attracted, electromagnet push-rod 323 It can also move up, band dynamic seal 313 moves upwards, and opens relief hole 21.

If pressure relief device 30 fails, pressure control elastic component 312 can also be overcome by the air pressure in cooking cavity 11 Elastic force and open relief hole 21, realize pressure release, play the role of safeguard protection to cooking apparatus 100, guarantee cooking apparatus 100 It works normally.

According to other compositions of the cooking apparatus 100 of the utility model embodiment and operate for ordinary skill All be for personnel it is known, be not detailed herein.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of pressure relief device for cooking apparatus, which is characterized in that the cooking apparatus has cooking cavity and cooks with described The relief hole of chamber of preparing food conducting, the pressure relief device include:

Seal assembly, the seal assembly are located at the relief hole and including closeouts movable along the longitudinal, the closure Part is used to open and blocks the relief hole；

Driving assembly, the driving component are set to the top of the seal assembly and including along the longitudinally moveable drivings Portion, the driving portion is for driving the closeouts mobile.

2. the pressure relief device according to claim 1 for cooking apparatus, which is characterized in that the driving component further includes Electromagnet and electromagnet push-rod by the solenoid actuated, the electromagnet push-rod are connect with the driving portion.

3. the pressure relief device according to claim 2 for cooking apparatus, which is characterized in that the electromagnet push-rod and institute State driving portion threaded connection.

4. the pressure relief device according to claim 2 for cooking apparatus, which is characterized in that the end of the electromagnet push-rod Portion has retaining part, and the driving component further includes return springs, and the both ends of the return springs are only supported with described respectively Portion and the electromagnet only support connection.

5. the pressure relief device according to claim 4 for cooking apparatus, which is characterized in that the return springs are bullet Spring, the spring pocket are set to the electromagnet push-rod.

6. the pressure relief device according to any one of claims 1-5 for cooking apparatus, which is characterized in that the driving Portion has bottom-open and along the channel longitudinally extended, and the driving portion is fastened on the closeouts and relative to the envelope Blocking piece is removable.

7. the pressure relief device according to claim 6 for cooking apparatus, which is characterized in that be equipped with pressure control in the channel Elastic component, the both ends of the pressure control elastic component are only supported with the closeouts and the driving portion connect respectively.

8. the pressure relief device according to any one of claims 1-5 for cooking apparatus, which is characterized in that the sealing Component further include: sealing element, the sealing element are connect with the closeouts, are used to open and block the relief hole.

9. the pressure relief device according to claim 8 for cooking apparatus, which is characterized in that the seal assembly also wraps Include: ring compression part, the ring compression part are adapted to be mounted to the lid of the cooking apparatus and are located at the upper of the relief hole Side,

The middle part of the sealing element is connect with the bottom of the closeouts, the outer peripheral edge of the sealing element be located in the lid with Between the ring compression part.

10. a kind of cooking apparatus characterized by comprising

Pot body, the pot body have the open cooking cavity in top；

Lid, the lid are movably installed between open and closed positions to the pot body, and the relief hole is set In the lid；With

Pressure relief device according to claim 1 to 9 for cooking apparatus, the pressure relief device are set to described In lid.

11. cooking apparatus according to claim 10, which is characterized in that the lid has aspirating hole, the cooking pot Tool further include: vacuum plant, the vacuum plant are connected to will form negative pressure in the cooking cavity with the aspirating hole.