CN208876066U - Gasket, cover assembly and cooking apparatus for exhaust level - Google Patents

Abstract

The utility model relates to household appliance technical fields, disclose a kind of gasket, cover assembly and cooking apparatus for exhaust level, gasket is made of elastic material, gasket includes the flanging for being provided with the gasket main body of the through-hole passed through for exhaust level and being connected with the bottom of gasket main body, flanging along and the consistent direction of center line of through-hole extend and be curved shape along the cross section of centerline direction.Gasket, cover assembly and cooking apparatus provided by the utility model for exhaust level, when gasket tension, flanging is other than generating by thick thinning deformation, curved structure can also change towards linear, to increase the deflection of flanging, the pulling force that flanging is subject to is reduced to a certain extent, it is not susceptible to rupture, be conducive to improve the service life of flanging, also make flanging amount sufficient simultaneously, flanging is not easily to fall off or mobile, can preferably guarantee that the function of resetting exhaust level, equipment safety service performance are higher during long-time service.

Description

Gasket, cover assembly and cooking apparatus for exhaust level

Technical field

The utility model relates to household appliance technical fields, more particularly to a kind of gasket for exhaust level, lid group Part and cooking apparatus.

Background technique

Pressure cooker is a kind of common household electrical appliance, generally comprises pot body and the lid with the conjunction of pot body lid, and lid is equipped with Exhaust valve, when pot inner pressure reaches certain value, exhaust valve is realized automatic exhaust by jack-up.For the convenience of the user when needed into Row manual exhaust, lid is interior to be equipped with for jacking up the exhaust level of exhaust valve and being set in first end and the sealing of exhaust level The sealing element in the gap between exhaust level and the chamber for accommodating exhaust valve, when manual force pushes the second end of exhaust level When, the first end of exhaust level jacks up exhaust valve upwards, to realize manual exhaust.Wherein, sealing element can be fixed by flanging Position, due to sealing element have elasticity, in this way when exhaust level move when, sealing element can original place generate stretcher strain come with It is moved with exhaust level, to fit closely on exhaust level, avoiding generating gap between exhaust level and sealing element.Work as external force After disappearance, the sealing element being stretched can pull exhaust level to reset when restoring to the original state.Existing sealing element is solid without sufficient flanging Determine region, falls off after assembly because flanging amount deficiency is easy to happen, cause exhaust level that cannot automatically reset；In addition the change of sealing element Shape amount is insufficient, no moderate finite deformation space, and long-term tension stretch in use, the risk of drawing crack is larger, the exhaust level after drawing crack It can not achieve and automatically reset, therefore user experience effect is poor.

Accordingly, there exist designing, a kind of flanging amount is sufficient and the needs of the biggish gasket for exhaust level of deflection.

Utility model content

It is inadequate the purpose of this utility model is to overcome flanging amount of the existing technology and deflection is lesser asks Topic, provides a kind of gasket for exhaust level, and the gasket flanging amount is sufficient and deflection is larger.

The another object of the utility model is to provide for a kind of lid including the above-mentioned gasket for exhaust level Component.

A further object of the utility model is to provide for a kind of cooking apparatus including above-mentioned cover assembly.

To achieve the goals above, on the one hand the utility model provides a kind of gasket for exhaust level, described close Packing is made of elastic material, the gasket include be provided with the through-hole passed through for exhaust level gasket main body and with The consistent direction of center line of the connected flanging in the bottom of the gasket main body, the flanging edge and the through-hole extends and edge The cross section of the centerline direction is curved shape.

In the above-mentioned technical solutions, flanging is used in the through-hole that exhaust level passes through along with what is be arranged in gasket main body The consistent direction of heart line extends and is curved shape along the cross section of centerline direction, and such gasket is in the operating condition by pulling force When, flanging is other than generating by thick thinning deformation, and curved structure can also change towards linear, to increase flanging Deflection, reduce the pulling force that flanging is subject to a certain extent, be not susceptible to rupture, be conducive to improve flanging use the longevity Life, while also making flanging amount sufficient, flanging is not easily to fall off or mobile, can preferably guarantee to reset during long-time service The safe application performance of the function of exhaust level, device is higher, and user experience effect is preferable.

Preferably, the curved shape includes at least one of waveform, zigzag shape and zigzag.

Preferably, the top of the gasket main body, which is provided with, is oriented to for the installation to the gasket main body Guide frame.

Preferably, the gasket main body includes the main part for being provided with the through-hole, the flanging and the main part Bottom be connected, the two sides and top of the gasket main body are respectively arranged with position limiting structure.

Preferably, the position limiting structure includes that the first tendon shape portion at the top of the main part is arranged in and is separately positioned on Second tendon shape portion of the opposite side portion of the main part.

Preferably, the guide frame includes falling what the one end far from the main part in first tendon shape portion was arranged Angle.

Preferably, the main part includes the end wall for being provided with the through-hole and the peripheral wall around end wall setting； The flanging is connected with the peripheral wall of the end wall bottom, and the position limiting structure is in the institute of the two sides of the end wall and top State the structure for the outwardly convex being arranged on peripheral wall.

Preferably, the edge of the through-hole is rolled over towards the lateral bending that the flanging is arranged.

The utility model second aspect provides a kind of cover assembly, and the cover assembly includes having for installing exhaust valve Chamber cover, the indoor exhaust valve of the chamber is set, be mounted on it is above-mentioned for being vented thick stick on the cover The gasket of bar, the bottom for being hinged on the cover and the through-hole for passing through the gasket protrude into the indoor exhaust of the chamber Lever, the gasket seal the gap between the exhaust level and the chamber, and the cover assembly includes being arranged in institute The compressing structure of the flanging for compressing the gasket below cover is stated, the exhaust level can jack up institute around hinge State the valve body of exhaust valve with the first position deflated and make the valve body of the exhaust valve and the cover it is in sealing contact the It is swung between two positions, at first position, the gasket is stretched to be capable of providing and make the exhaust level from described first Position resets to the restoring force of the second position.

Preferably, the compressing structure includes the gasket wedge for being located at the cavity bottom, is mounted under the cover The pot cover and Anti-stop cover of side, the spool of the exhaust valve pass through the chamber and stretch out the pot cover, and the Anti-stop cover is against institute The extension end that pot cover is connected to the spool is stated, the flanging is pressed on the gasket far from the end of the gasket main body Between wedge and the pot cover.

Preferably, it is provided with the notch for protruding into the exhaust level on the chamber, around the notch in the face The groove body being provided with for installing the gasket is covered, is provided on the groove body and the gasket main body is installed for being oriented to Guiding rib.

The utility model third aspect provides a kind of cooking apparatus, the cooking apparatus include with open cooking cavity and The above-mentioned cover assembly closed in the opening can be covered.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Fig. 1 is the perspective view of the gasket of the preferred embodiments of the present invention；

Fig. 2 is the perspective view of another angle of the gasket of the preferred embodiments of the present invention；

Fig. 3 is the cross-sectional view of the gasket of the preferred embodiments of the present invention；

Fig. 4 is the cross-sectional view of the cover assembly of the preferred embodiments of the present invention, and wherein exhaust valve is not jacked up；

Fig. 5 is the portion the A enlarged drawing in Fig. 4；

Fig. 6 is the cross-sectional view of the cover assembly of the preferred embodiments of the present invention, and wherein exhaust valve is jacked up；

Fig. 7 is the perspective view of the cover of the preferred embodiments of the present invention；

Fig. 8 is the portion the B enlarged drawing in Fig. 7；

Fig. 9 is the perspective view for being equipped with the cover of gasket of the preferred embodiments of the present invention；

Figure 10 is the portion the D enlarged drawing in Fig. 9.

Description of symbols

1 gasket main body, 11 main part

111 end wall, 112 peripheral wall

12 position limiting structure, 121 first tendon shape portion

122 second tendon shape portion, 2 flanging

H through-hole C chamfering

10 exhaust valve, 101 valve body

102 spool, 20 cover

201 groove body, 202 guiding rib

30 gasket, 40 exhaust level

50 gasket wedge, 60 pot cover

70 Anti-stop cover P chambers

L revolves hand M exhaust button

N spring

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual Refer to reference to upper and lower, left and right shown in the drawings；" inside and outside " refers to inside and outside the profile relative to each component itself.

On the one hand the utility model provides a kind of gasket for exhaust level, the gasket is by elastic material system At, the gasket include be provided with the through-hole H passed through for exhaust level gasket main body 1 and with the gasket main body The connected flanging 2 in 1 bottom, the flanging 2 extend and along with the consistent direction of the center line of the through-hole H along the center line The cross section in direction is curved shape.

Wherein, in off working state, flanging 2 can extend along with the consistent direction of the center line of the through-hole H, can also be with Extend along other directions, such as extend towards the lower section of gasket main body 1, but it should guarantee flanging 2 it is flexible at along with it is logical The almost the same direction of the center line of hole H extends.

In the above-mentioned technical solutions, as shown in Figure 1, Figure 2 and Figure 3, flanging 2 is used for along with what is be arranged in gasket main body 1 The consistent direction of the center line for the through-hole H that exhaust level passes through extends and is curved shape along the cross section of centerline direction, in this way Gasket in the operating condition by pulling force when, other than generating by thick thinning deformation, curved structure can also court for flanging 2 Linear variation, to increase the deflection of flanging 2, reduces the pulling force that flanging 2 is subject to a certain extent, is not susceptible to Rupture is conducive to the service life for improving flanging 2, while also making flanging amount sufficient, and flanging 2 is not easily to fall off or mobile, long-term It can preferably guarantee the function of reset exhaust level during use, the safe application performance of device is higher, user experience Effect is preferable.

Wherein, the curved configuration of flanging 2 can there are many selections, it is preferable that the curved shape includes waveform, a few words At least one of shape and zigzag.That is, the cross section of flanging 2 can be waveform, it can also be zigzag shape, It or is zigzag, and the cross section of flanging 2 can also be the group of at least the two in waveform, zigzag shape and zigzag It closes, specifically, the cross section of flanging 2 can be divided into multiple sections, the cross of the flanging 2 of adjacent sections along the centerline direction of through-hole H Section is different, can be one of waveform, zigzag shape and zigzag.

In order to improve the assembly efficiency, it is preferable that the top of the gasket main body 1 is provided with for the gasket master The guide frame that the installation of body 1 is oriented to.Wherein, the concrete shape of guide frame can be according to installation space and gasket main body 1 shape is selected.For example, when installation space is the groove body and the packet of gasket main body 1 for installing 1 top of gasket main body When including the main part 11 being explained below and the first tendon shape portion 121 at the top that the main part 11 is arranged in, guide frame can For the chamfering C being arranged in the first tendon shape portion 121, which passes through the guiding role of chamfering C, can be successfully It is inserted into institute's groove body to be mounted.

In order to securely and firmly install gasket main body 1, it is preferable that the gasket main body 1 includes being provided with described lead to The main part 11 in hole, the flanging 2 are connected with the bottom of the main part 11, the two sides and top of the gasket main body 1 It is respectively arranged with position limiting structure 12.

Wherein, sealing effect is limited and guaranteed for convenience, it is preferable that the position limiting structure 12 includes being arranged in the master The second tendon shape portion 122 in the first tendon shape portion 121 and the opposite side portion for being separately positioned on the main part 11 at the top in body portion 11. As shown in Figure 1, Figure 2 and Figure 3, main part 11 is formed as thin-wall construction, and the first tendon shape portion 121 and the setting of the second tendon shape portion 122 exist The edge of the main part 11 and thickness are greater than the thickness of main part 11, so that the first tendon shape portion 121 and the second tendon shape portion 122 tool There is certain support strength preferably to be limited.

And preferably, the guide frame includes one far from the main part 11 in first tendon shape portion 121 The chamfering C for holding setting, can be realized Fast Installation in place in this way, be conducive to improve assembly efficiency, and to a certain extent can It is enough to reduce assembly fraction defective, to improve the service performance of product.

Further, the main part 11 includes being provided with the end wall 111 of the through-hole H and around the end wall 111 The peripheral wall 112 of setting, wherein end wall 111 is plate or sheet, is installed with generally upstanding state, allows exhaust level horizontal To extending through the end wall 111；The flanging 2 is connected with the peripheral wall 112 of 111 bottom of end wall, and the position limiting structure 12 is The structure outwardly protruded being arranged on the peripheral wall 112 at 111 two sides of end wall and top, the outer male structure preferably institute above Description the first tendon shape portion 121 and the second tendon shape portion 122, such position limiting structure 12 realize limit under the premise of can with it is following The outer wall of the chamber for being used to install exhaust valve of introduction is fitted close, can significantly improve and be used to be vented thick stick in closed chamber The sealing effect for the notch that bar protrudes into, certainly, position limiting structure 12 can also be other types of outer male structure.

In addition, as shown in Figure 3, it is preferable that rolled over towards the lateral bending that the flanging 2 is arranged at the edge of the through-hole H.This sample prescription Just exhaust level passes through through-hole H, and increases the contact area of exhaust level Yu through-hole H, is conducive to gasket and equably holds The power applied by exhaust level.

As shown in figs. 4 through 10, the utility model second aspect provides a kind of cover assembly, and the cover assembly includes having For installing the cover 20 of the chamber P of exhaust valve 10, the exhaust valve 10 being arranged in the chamber P, being mounted on the face The above-mentioned gasket 30 for exhaust level on lid 20 is hinged on the bottom of the cover 20 and passes through the gasket 30 The through-hole H protrude into the exhaust level 40 in the chamber P, the gasket 30 seals the exhaust level 40 and the chamber Gap between the P of room, the cover assembly include the pressure for being used to compress the gasket 30 being arranged in below the cover 20 The compressing structure on side 2, the exhaust level 40 can be in the valve bodies 101 that jack up the exhaust valve 10 to deflate around hinge First position (as shown in Figure 6) and the valve body 101 for making the exhaust valve 10 and the cover 20 second position in sealing contact are (such as Shown in Fig. 4 and Fig. 5) between swing, at first position, the gasket 30 is stretched to be capable of providing and make the exhaust level 40 reset to the restoring force of the second position from the first position.It is close in this way since the flanging 2 of gasket 30 is curved shape For packing 30 in tension, other than it can generate by thick thinning deformation, curved structure can also be towards straight line deformation for flanging 2 Change, to increase the deflection of flanging 2, reduces the pulling force that flanging 2 is subject to a certain extent, be not susceptible to rupture, have Conducive to the service life of raising flanging 2, while also making flanging amount sufficient, flanging 2 is not easily to fall off or mobile, in the mistake of long-time service Can preferably guarantee in journey reset exhaust level 40 function, the safe application performance of device is higher, user experience effect compared with It is good.

In addition, as shown in Figure 4 and Figure 5, settable on cover 20 to facilitate the rotation hand L for picking and placing cover assembly, revolving can set on hand L Set exhaust button M, the extensible bar for being provided with the end thereof contacts with exhaust level 40 far from exhaust valve 10 in the bottom of exhaust button M Body, in this way when user presses exhaust button M, the body of rod can be such that exhaust level 40 swings around hinge and by the valve body of exhaust valve 10 101 jack up or put down, and in order to automatically reset in the external force disappearance final vacuum button M of pressing exhaust button M, exhaust is pressed The spring N for reset can be arranged on the body of rod of the bottom of button M.

Wherein it is preferred to which the compressing structure includes the gasket wedge 50 for being located at the bottom the chamber P, is mounted on institute The pot cover 60 and Anti-stop cover 70 of 20 lower section of cover are stated, the spool 102 of the exhaust valve 10 passes through the chamber P and stretches out the pot Lid 60, the Anti-stop cover 70 are connected to the extension end of the spool 102 against the pot cover 60, and the flanging 2 is far from described close The end of packing main body 1 is pressed between the gasket wedge 50 and the pot cover 60.And preferably, Anti-stop cover 70 can spiral shell Line is connected to the extension end of spool 102, can adjust between gasket wedge 50 and pot cover 60 by rotating Anti-stop cover 70 in this way Gap, thus change the degree that flanging 2 is compacted, it is easy to adjust quick.Wherein, the thickness of flanging can be 1.5-1mm, not pacify When filling Anti-stop cover 70, the primary clearance between gasket wedge 50 and pot cover 60 can be 0.3mm, can basis after installation Anti-stop cover 70 It needs to reduce in the gap.

As is seen in figs 7-10, it is preferable that be provided with the notch for protruding into the exhaust level 40 on the chamber P, surround The notch is provided with the groove body 201 for installing the gasket 30 on the cover 20, in order to further increase sealing The assembly efficiency of pad 30 is provided with for being oriented to the guiding rib 202 for installing the gasket main body 1 in the groove body 201.Its In, the sphenoid that guiding rib 202 can be gradually increased for the slide-in direction thickness along gasket 30, in this way with gasket 30 It slides into, the contact between gasket 30 and guiding rib 202 is more and more closer, can play better seal and position-limiting action.Separately Outside, guiding rib 202 and groove body 201 can be integrally formed also be separately formed after in the inner wall that guiding rib 202 is arranged in groove body 201 On.

The utility model third aspect provides a kind of cooking apparatus, the cooking apparatus include with open cooking cavity and The above-mentioned cover assembly closed in the opening can be covered.Since the cooking apparatus includes above-mentioned cover assembly, tool There are all or at least part of technical effects above for cover assembly, the details and effect of more specific technical solution can join According to above.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model, It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute Disclosure belongs to the protection scope of the utility model.

Claims (12)

1. a kind of gasket for exhaust level, which is characterized in that the gasket is made of elastic material, the gasket Bottom phase including being provided with the gasket main body (1) of the through-hole H passed through for exhaust level and with the gasket main body (1) Flanging (2) even, the flanging (2) extend and along with the consistent direction of the center line of the through-hole H along the centerline direction Cross section be curved shape.

2. the gasket according to claim 1 for exhaust level, which is characterized in that the curved shape includes wave At least one of shape, zigzag shape and zigzag.

3. the gasket according to claim 1 for exhaust level, which is characterized in that the gasket main body (1) Top is provided with the guide frame being oriented to for the installation to the gasket main body (1).

4. the gasket according to claim 3 for exhaust level, which is characterized in that gasket main body (1) packet The main part (11) for being provided with the through-hole is included, the flanging (2) is connected with the bottom of the main part (11), the gasket The two sides and top of main body (1) are respectively arranged with position limiting structure (12).

5. the gasket according to claim 4 for exhaust level, which is characterized in that the position limiting structure (12) includes Be arranged the top of the main part (11) the first tendon shape portion (121) and be separately positioned on the opposite sides of the main part (11) The second tendon shape portion (122) in portion.

6. the gasket according to claim 5 for exhaust level, which is characterized in that the guide frame is included in institute State the chamfering C that the one end far from the main part (11) in the first tendon shape portion (121) is arranged.

7. being used for the gasket of exhaust level according to any one of claim 4-6, which is characterized in that the main part It (11) include the end wall (111) for being provided with the through-hole H and the peripheral wall (112) around the end wall (111) setting；The pressure Side (2) is connected with the peripheral wall (112) of the end wall (111) bottom, and the position limiting structure (12) is in the end wall (111) Two sides and top the peripheral wall (112) on the structure of outwardly convex that is arranged.

8. the gasket according to claim 1 to 6 for exhaust level, which is characterized in that the through-hole H Edge towards the lateral bending folding that the flanging (2) is arranged.

9. a kind of cover assembly, which is characterized in that the cover assembly includes with the chamber P for installing exhaust valve (10) Cover (20), the exhaust valve (10) being arranged in the chamber P, be mounted on the cover (20) according to claim It is used for the gasket (30) of exhaust level described in any one of 1-8, is hinged on the bottom of the cover (20) and passes through described The through-hole H of gasket (30) protrudes into the exhaust level (40) in the chamber P, and the gasket (30) seals the exhaust Gap between lever (40) and the chamber P, the cover assembly include being arranged below the cover (20) for pressing The compressing structure of the flanging (2) of the tight gasket (30), the exhaust level (40) can jack up the exhaust around hinge The valve body (101) of valve (10) is with the first position deflated and the valve body (101) and the cover that make the exhaust valve (10) (20) it is swung between the second position in sealing contact, at first position, the gasket (30) is stretched to be capable of providing and make institute State the restoring force that exhaust level (40) resets to the second position from the first position.

10. cover assembly according to claim 9, which is characterized in that the compressing structure includes being located at the bottom the chamber P The gasket wedge (50) in portion, the pot cover (60) being mounted below the cover (20) and Anti-stop cover (70), the exhaust valve (10) spool (102) passes through the chamber P and stretches out the pot cover (60), and the Anti-stop cover (70) is against the pot cover (60) It is connected to the extension end of the spool (102), the flanging (2) is pressed on described far from the end of the gasket main body (1) Between gasket wedge (50) and the pot cover (60).

11. cover assembly according to claim 9 or 10, which is characterized in that being provided on the chamber P makes the exhaust The notch that lever (40) protrudes into is provided on the cover (20) around the notch for installing the gasket (30) Groove body (201) is provided on the groove body (201) for being oriented to the guiding rib (202) for installing the gasket main body (1).

12. a kind of cooking apparatus, which is characterized in that the cooking apparatus includes that with open cooking cavity and can cover conjunction in institute State the cover assembly according to any one of claim 9-11 in opening.