CN208658695U - 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, cooking apparatus includes pot body and the lid that is located in pot body, lid has relief hole and the installing port right above relief hole, pressure relief device includes: compressing member, the channel that compressing member is suitable for being located at installing port and there is the center line along relief hole to extend；The outer peripheral edge of sealing element, sealing element is adapted to be attached between the outer peripheral edge of installing port and compressing member；Closeouts, closeouts are movably disposed in channel and connect with the middle part of sealing element, are used to open and block relief hole；Driving assembly, driving assembly are connect with closeouts, for driving closeouts mobile.The pressure relief device for cooking apparatus of embodiment according to the present utility model, by the way that compressing member is arranged in pressure relief device, compressing member is fixed sealing element while fixed driving assembly, reduces the components in pressure relief device, assembly efficiency is improved, reliability of structure is high.

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, small ball and sealing ring, passes through bead Valve blocks relief hole, to make to be sealed in cooking cavity；When electric cooker needs return to normal pressure state from negative pressure state, then Bead is pushed open by electromagnet, to carry out pressure release.However, the fixation of electromagnet and sealing ring is usually spaced apart by, cause in this way Assembly process is more in installation process, at high cost, and structural reliability is low, and 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 out, the pressure relief device assembly efficiency is high, and structural reliability is high.

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

The pressure relief device for cooking apparatus of first aspect embodiment according to the present utility model, the cooking apparatus packet The lid for including pot body and being located in the pot body, the lid have relief hole and the installation right above the relief hole Mouthful, the pressure relief device includes: compressing member, and the compressing member is suitable for being located at the installing port and having along the relief hole The channel that center line extends；Sealing element, the outer peripheral edge of the sealing element be adapted to be attached to the outer peripheral edge of the installing port with it is described Between compressing member；Closeouts, the closeouts are movably disposed in channel and connect with the middle part of the sealing element, for beating Open and block the relief hole；Driving assembly, the driving component are connect with the closeouts, for driving the closeouts to move It is dynamic.

The pressure relief device for cooking apparatus of embodiment according to the present utility model is pressed by being arranged in pressure relief device Tight part, compressing member are fixed sealing element while fixed driving assembly, reduce the components in pressure relief device, are promoted Assembly efficiency, reliability of structure are high.

The pressure relief device for cooking apparatus of embodiment according to the present utility model, the driving component are suitable for being located at institute State in lid and be pressed on the top of the compressing member.

Specifically, the top of the compressing member has the mounting groove for accommodating the driving component, the mounting groove Cross sectional dimensions is greater than the cross sectional dimensions in the channel.

The pressure relief device for cooking apparatus of embodiment according to the present utility model, the bottom of the compressing member have the One convex ribs, for the outer peripheral edge of the sealing element to be pressed on to the outer peripheral edge of the installing port.

Further, the bottom of the compressing member also has the second convex ribs, and second convex ribs are plugged on the installing port The interior inner wall the sealing element to be pressed on to the installing port.

Optionally, the compressing member radially, second convex ribs be located at the insides of first convex ribs, and it is described Second convex ribs are towards at least part of a side surface of first convex ribs from the top of the compressing member to the compressing member Bottom gradually slope inwardly extension.

Optionally, at least one of first convex ribs and second convex ribs formation is prolonged along the circumferential direction of the compressing member The annular convex rib stretched.

The pressure relief device for cooking apparatus of embodiment according to the present utility model, the driving component further include: electricity Magnet and electromagnet push-rod by the solenoid actuated, the electromagnet push-rod is connect with the closeouts, for pushing It is mobile to state closeouts.

Specifically, 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, in the channel be equipped with pressure control elastic component, the both ends of the pressure control elastic component respectively with the closure Part is connected with the electromagnet push-rod.

Implement according to the cooking apparatus of the utility model second aspect embodiment, including according to the utility model first aspect The pressure relief device for cooking apparatus of example, the pressure relief device are set in the lid.By using above-mentioned pressure relief device, subtract Lack the components in cooking apparatus, improves the assembly efficiency of cooking apparatus, 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 the pressure relief device of the utility model one embodiment and vacuum plant in lid；

Fig. 4 is the layout according to the pressure relief device of the utility model another embodiment and vacuum plant in lid；

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

Fig. 6 is the top view according to the compressing member of the utility model embodiment；

Fig. 7 is the cross-sectional view according to the compressing member of the utility model embodiment.

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,

Compressing member 311, channel 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, electromagnet 322, electromagnet push-rod 323, retaining part 3231, return springs 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. 7 description according to the pressure relief device 30 of the utility model embodiment.

As shown in Fig. 1-Fig. 7, according to the pressure relief device 30 for cooking apparatus of the utility model one embodiment, culinary art Utensil 100 includes pot body 10 and lid 20, and lid 20 is arranged in pot body 10, has relief hole 21 and installing port on lid 20 23, installing port 23 is located at the surface of relief hole 21, and pressure relief device 30 includes: compressing member 311, sealing element 313, closeouts 314 With driving assembly 32.

Compressing member 311 is arranged at installing port 23, has channel 3110 in compressing member 311, channel 3110 is along relief hole 21 Center line extend, the outer peripheral edge of sealing element 313 is connected between the outer peripheral edge of installing port 23 and compressing member 311, closeouts 314 It is movably disposed in channel 3110, closeouts 314 are connect with the middle part of sealing element 313, driving assembly 32 and closeouts 314 Connection, for driving closeouts 314 to move up and down, to open and block relief hole 21.

The pressure relief device 30 for cooking apparatus of embodiment according to the present utility model, by being set in pressure relief device 30 Compressing member 311 is set, compressing member 311 is fixed sealing element 313 while fixed driving assembly 32, reduces pressure relief device Components in 32, improve assembly efficiency, and reliability of structure is high.

One embodiment according to the present utility model, driving assembly 32 is arranged in lid 10, and is pressed on compressing member 311 Top compress compressing member 311 using driving assembly 32 so that driving assembly 32 be made to generate certain pressure to compressing member 311, Compressing member 311 compresses sealing element 313 and realizes that the installation of pressure relief device 30 is fixed.

As shown in Figure 6 and Figure 7, in some instances, the top of compressing member 311 has mounting groove 3111, mounting groove 3111 For accommodating at least part of driving assembly 32, so that driving assembly 32 is located in the mounting groove 3111 of compressing member 311. Wherein, the cross sectional dimensions of mounting groove 3111 is greater than the cross sectional dimensions in channel 3110, improves the stability of compressing member 311.

The bottom of one embodiment according to the present utility model, compressing member 311 has the first convex ribs 3112, the first convex ribs 3112 the outer peripheral edge of sealing element 313 can be pressed on installing port 23 outer peripheral edge (annular brace muscle 50 i.e. as shown in Figure 5 Upper surface), it is interference fitted by the top of the pressuring action of the first convex ribs 3112, the bottom and sealing element 313 that make compressing member 311 Connection, prevents sealing element 313 from falling off, while improving leakproofness.

In some instances, the bottom of compressing member 311 also has the second convex ribs 3113, and the second convex ribs 3113 are plugged on installation In mouth 23, sealing element 313 can be pressed on the inner wall of installing port 23 by the second convex ribs 3113, to further prevent sealing element 313 fall off, and improve reliability of structure.

Optionally, compressing member 311 radially, the second convex ribs 3113 are located at the inside of the first convex ribs 3112, thus will At least part of compressing member 311 is fixed at installing port 23, to make compressing member 311 to the radial direction and axial direction of sealing element 313 Dual fixation, improve sealing effect, while being easily installed fixation, improve assembly efficiency.Second convex ribs 3113 towards first At least part of one side surface of convex ribs 3112 forms inclined surface, i.e., from the top of compressing member 311 to the bottom of compressing member 311 Gradually inclination extends inwardly, connects so that compressing member 311 and sealing element 313 be made to be interference fitted, further improves compressing member Leakproofness between 311 and sealing element 313.

Advantageously, the first convex ribs 3112 form the annular convex rib of the circumferentially extending along compressing member 311, so as to better The outer peripheral edge of sealing element 313 is pressed on to 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, and annular convex rib prolongs along the circumferential direction of compressing member 311 It stretches, 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.

One embodiment according to the present utility model, driving assembly 32 include electromagnet 322 and electromagnet push-rod 323, electricity Magnet push rod 323 is driven by electromagnet 322, and electromagnet push-rod 323 is connect with closeouts 314, to pass through control electromagnet 322 energization and power-off, can control the movement of electromagnet push-rod 323, to drive closeouts 314 mobile, and then open or Block relief hole 21.

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.

In some instances, be equipped with pressure control elastic component 312 in channel 3110, the both ends of pressure control elastic component 312 respectively with envelope Blocking piece 314 and electromagnet push-rod 323 only support connection.Pressure control elastic component 312 can play the work of buffering to the movement of closeouts 314 With, while the problem of poor sealing can be led to avoid rigging error, avoid the occurrence of the case where blocking.Also, by channel Pressure control elastic component 312 is set in 3110, control can be overcome by the air pressure in cooking cavity 11 when pressure relief device 30 fails The elastic force of compression elasticity part 312 and open relief hole 21, realize pressure release, play the role of safeguard protection to cooking apparatus 100, guarantee The normal work of cooking apparatus 100.

In some specific examples, pressure relief device 30 further includes driving portion 321, has threaded hole, electricity on driving portion 321 One end (lower end as shown in Figure 5) of magnet push rod 323 has screw thread, so that electromagnet push-rod 323 be made to pass through with driving portion 321 It is threadedly engaged connection, structure is simple, easy to connect.

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 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, and installing port 23 is limited by annular brace muscle 50, fixed part There is annular seal groove 31321, annular brace muscle 50 and the clamping of annular seal groove 31321 connect on 3132.Compressing member 311 simultaneously The outer peripheral edge of fixed part 3132 is pressed on to the upper surface of annular brace muscle 50.Preferably, the upper surface of annular brace muscle 50 is set There is retention bead 51, increases the frictional force between annular brace muscle 50 and fixed part 3132.

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.Pressure relief device 30 is arranged in lid 20.By adopting With above-mentioned pressure relief device 30, reduce the components in cooking apparatus 100, improves the assembly efficiency 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.

Below with reference to Fig. 1-Fig. 7 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, has relief hole on lid 20 21, aspirating hole 22 and installing port 23.Pressure relief device 30 and vacuum plant 40 are arranged in lid 20, vacuum plant 40 be it is miniature every Membrane pump, pressure relief device 30 include compressing member 311, sealing element 313, closeouts 314 and driving assembly 32.

The top of compressing member 311 has mounting groove 3111, and the bottom of compressing member 311 has the first convex ribs 3112 and second convex Muscle 3113, the second convex ribs 3113 are located at the inside of the first convex ribs 3112, and a part of 3113 outer surface of the second convex ribs, which is formed, inclines Inclined-plane.

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.There is pressure control elastic component 312, pressure control bullet between closeouts 314 and driving portion 321 Property part 312 both ends only support connection with closeouts 314 and driving portion 321 respectively.

When pressure relief device 30 is installed, solenoid valve 322 is pressed in the mounting groove 3111 at the top of compressing member 311, first will The sealing element 313 for being connected with closeouts 314 is mounted at the installing port 23 of lid 20；Secondly by the installation of compressing member 311 to installing port On 23, in installing presser unit 311, the first convex ribs 3112 are compressed to the top of sealing element 313, the second convex ribs 3113 compress sealing The inside circumference of part 313 can not during installing from top to bottom since there are certain gradients for the second convex ribs 3113 The inside circumference of sealing element 313 is compressed disconnectedly；Finally electromagnet 322 is mounted in the mounting groove 3111 of compressing member 311, and is led to It crosses on screw fixation and lid 20.

When cooking apparatus 100 works, when needing to be evacuated cooking cavity 11, pressure relief device 30 works so that cooking cavity Sealing is realized in 11.Specifically, control process control electromagnet 322, which is powered, is attracted, and electromagnet push-rod 323 moves down, and resets Elastic component 324 compresses, and driving portion 321 is driven to move down, and after pressure control elastic component 312 is pressurized, pushes closeouts 314 and sealing element 313 move down, and relief hole 21 are blocked, to realize the sealing in cooking cavity 11.Vacuum plant 40 can be to cooking cavity at this time 11 pumpings, so as to form negative pressure state in cooking cavity 11.

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, the elastic force of pressure control elastic component 312 is overcome to beat by the air pressure in cooking cavity 11 Relief hole 21 is opened, realizes pressure release, plays the role of safeguard protection to cooking apparatus 100, guarantees the normal work of cooking apparatus 100 Make.

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 (12)

1. a kind of pressure relief device for cooking apparatus, which is characterized in that the cooking apparatus includes pot body and is located at the pot Lid on body, the lid have relief hole and the installing port right above the relief hole, and the pressure relief device includes:

Compressing member, the compressing member are suitable for being located at the installing port and have the logical of the center line extension along the relief hole Road；

Sealing element, the outer peripheral edge of the sealing element are adapted to be attached between the outer peripheral edge of the installing port and the compressing member；

Closeouts, the closeouts are movably disposed in channel and connect with the middle part of the sealing element, are used to open and seal Block up the relief hole；

Driving assembly, the driving component are connect with the closeouts, 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 is suitable for setting In the lid and it is pressed on the top of the compressing member.

3. the pressure relief device according to claim 2 for cooking apparatus, which is characterized in that the top of the compressing member has There is the mounting groove for accommodating the driving component, the cross sectional dimensions of the mounting groove is greater than the cross section ruler in the channel It is very little.

4. the pressure relief device according to claim 1 for cooking apparatus, which is characterized in that the bottom of the compressing member has There are the first convex ribs, for the outer peripheral edge of the sealing element to be pressed on to the outer peripheral edge of the installing port.

5. the pressure relief device according to claim 4 for cooking apparatus, which is characterized in that the bottom of the compressing member is also With the second convex ribs, second convex ribs are plugged in the installing port so that the sealing element to be pressed in the installing port Wall surface.

6. the pressure relief device according to claim 5 for cooking apparatus, which is characterized in that in the radial direction of the compressing member Upper, second convex ribs are located at the inside of first convex ribs, and second convex ribs are towards the side table of first convex ribs At least part in face gradually slopes inwardly extension from the top of the compressing member to the bottom of the compressing member.

7. the pressure relief device according to claim 5 for cooking apparatus, which is characterized in that first convex ribs and described At least one of second convex ribs form the annular convex rib of the circumferentially extending along the compressing member.

8. the pressure relief device of cooking apparatus is used for described in any one of -7 according to claim 1, which is characterized in that the driving Component further include: electromagnet and the electromagnet push-rod by the solenoid actuated, the electromagnet push-rod and the closeouts connect It connects, for pushing the closeouts mobile.

9. the pressure relief device according to claim 8 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.

10. the pressure relief device according to claim 8 for cooking apparatus, which is characterized in that be equipped with control in the channel The both ends of compression elasticity part, the pressure control elastic component are connect with the closeouts and the electromagnet push-rod respectively.

11. a kind of cooking apparatus, which is characterized in that be used for cooking apparatus including according to claim 1 to 10 Pressure relief device, the pressure relief device be set to the lid in.

12. cooking apparatus according to claim 11, 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 cooking cavity with the aspirating hole.