CN108814315A

CN108814315A - Sealing element, utensil lid and cooking appliance

Info

Publication number: CN108814315A
Application number: CN201810903709.0A
Authority: CN
Inventors: 黎文彬; 陈冬冬; 李锦彬; 尹志雄; 李易峰; 程建建; 李佳宏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2018-11-16
Anticipated expiration: 2038-08-09
Also published as: CN108814315B

Abstract

The invention discloses a kind of sealing element, utensil lid and cooking appliances.The sealing between first structure and the second structure that the sealing element is used to install by way of opposite sliding, including fixed part and the sealing being connected with fixed part, fixed part with first structure for being fixedly connected, sealing with the second structure for abutting against, hole is provided on sealing, sealing element further includes guide part, guide part is configured to, cooperate when first structure and the second structure are slidably installed relatively with the second structure, the sealing of the front side in hole will be located on the installation direction of the second structure to the direction guiding of separate second structure.Guide part is provided on sealing element provided by the present application, for first structure and the second structure are opposite be slidably installed when the sealing structure for being located at the front side in hole in the mounting direction is oriented to the direction far from the second structure, so that sealing be avoided to lead to the seal failure of sealing element because being pushed open during the installation process by the second structure.

Description

Sealing element, utensil lid and cooking appliance

Technical field

The present invention relates to kitchen appliance technical field, especially a kind of sealing element, utensil lid and cooking appliance.

Background technique

It is provided with steam valve on the cooking appliances such as electric cooker, pot is discharged during cooking appliance carries out boiling Interior steam, steam valve are typically mounted on the utensil lid of cooking appliance, are additionally provided on utensil lid close with steam valve cooperation Seal, to guarantee that steam will not leak from the other positions of utensil lid.

Existing steam valve is very easy to the problem of seal failure occurs during installation, causes in cooking appliance work There is a situation where steam to leak during making, and causes very bad user experience.

Summary of the invention

In view of this, one of the objects of the present invention is to provide sealing element, utensil lids that one kind can guarantee sealing effect And cooking appliance.

In order to achieve the above objectives, on the one hand, the present invention adopts the following technical scheme that：

A kind of sealing element, the sealing between first structure and the second structure for being installed by way of opposite sliding, Including fixed part and the sealing being connected with the fixed part, the fixed part with the first structure for being fixedly connected, institute Sealing is stated for abutting against with the second structure, hole is provided on the sealing, the sealing element further includes guide part, described Guide part is configured to, and is cooperated when the first structure and second structure are slidably installed relatively with second structure, with Will on the installation direction of second structure positioned at the hole front side sealing to far from second structure direction Guiding.

Preferably, the guide part includes the guiding surface being arranged on the sealing, along the radial by remote of the hole From the hole to the direction close to the hole, the guiding surface is tilted to the direction far from second structure.

Preferably, the sealing includes sealing lip circle, and the radial inside edge of the sealing lip circle surrounds the hole, institute At least part for stating the side close to second structure of sealing lip circle constitutes the guiding surface.

Preferably, the sealing lip circle includes truncated cone-shaped tubular structure and guide pin, the truncated cone-shaped tubular structure it is big Diameter end is connected with the fixed part, and the guide pin is connected with the miner diameter end of the truncated cone-shaped tubular structure, from the truncated cone-shaped The radial outside of tubular structure is tilted to radially inner side, the guide pin to the direction far from second structure, the guiding The side close to second structure of piece constitutes the guiding surface.

Preferably, the guide pin is at least set to the front side for being located at the hole on the installation direction of second structure Position.

Preferably, the guide pin include on the installation direction of second structure positioned at the hole front side first Part and be located at the first part both ends in the circumferential direction in the hole and be connected with the first part second Point and Part III.

On the other hand, the present invention adopts the following technical scheme that：

A kind of utensil lid, the utensil lid include lid ontology and are fitted into the lid ontology by the side of the lid ontology Steam valve further includes sealing element as described above, and the lid ontology constitutes the first structure, and the steam valve constitutes described the Two structures are provided with air inlet and refluxing opening, the hole of the sealing element and the air inlet and the reflux on the steam valve Mouth connection.

Preferably,

The lid ontology includes the panel of inner cover, cover and the covering cover,

Installation cavity for installing the steam valve is arranged between the panel and the cover, and the sealing is extremely Small part structure passes through the cover and protrudes into the installation cavity；And/or

The fixed part is clamped between the cover and the inner cover.

Preferably, be provided with the flange around the air inlet and the refluxing opening on the steam valve, the flange with The sealing abuts against.

In another aspect, the present invention adopts the following technical scheme that：

A kind of cooking appliance, including utensil lid as described above.

It is provided with guide part on sealing element provided by the present application, for being slidably installed relatively in first structure and the second structure When by the mounting direction be located at hole front side sealing structure to far from the second structure direction be oriented to, to avoid sealing Portion leads to the seal failure of sealing element because being pushed open during the installation process by the second structure.

Detailed description of the invention

By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and Advantage will be apparent from, in the accompanying drawings：

Fig. 1 shows a kind of cross-sectional view of sealing element；

Fig. 2 shows the cross-sectional views of another sealing element；

Fig. 3 shows cross-sectional view when in steam valve installation seal failure occurs for Fig. 1 and sealing element shown in Fig. 2；

Fig. 4 shows the perspective view of the sealing element of specific embodiment of the invention offer；

Fig. 5 shows the cross-sectional view of the sealing element of specific embodiment of the invention offer；

Fig. 6 shows cross-sectional view of the utensil lid of specific embodiment of the invention offer at steam valve.

In figure, 1 ', sealing ring；11 ', hole；

1 ", sealing ring；11 ", hole；

1, sealing element；11, fixed part；111, the first protrusion；112, cyclic structure；113, extension；114, the second protrusion； 12, sealing；121, hole；13, guide part；131, guiding surface；14, sealing lip circle；141, truncated cone-shaped tubular structure；142, it leads To piece；1421, first part；1422, second part；1423, Part III；2, lid ontology；21, inner cover；211, locating slot knot Structure；2111, outer ring side wall；2112, interior ring-side wall；2113, groove bottom wall；22, cover；221, groove structure；222, compressed part； 223, cover ontology；2232, convex ribs；23, panel；24, installation cavity；25, installing port；3, steam valve；31, air inlet；32, it flows back Mouthful；33, flange.

Specific embodiment

Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.In order to It avoids confusion essence of the invention, there is no narrations in detail for well known method, process, process, element.

In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and What attached drawing was not necessarily drawn to scale.

Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains Justice.

In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more.

For the problem that being easy to happen seal failure in steam valve installation process in existing cooking appliance, it is found by the applicant that It is as caused by the structure of the sealing ring i.e. described below of the sealing element in cooking appliance, with Fig. 1 and sealing ring shown in Fig. 2 For, the part in sealing ring 1 ' shown in FIG. 1 close to interstitial hole 11 ' is flat, close centre in sealing ring 1 " shown in Fig. 2 The part in hole 11 " upwarps, and the sealing ring of both structures is easy to be pushed away by steam valve 3 in the installation process of steam valve 3 (referring to Fig. 3, arrow direction is the installation direction of steam valve 3) is opened, so as to cause seal failure.

Based on this, this application provides a kind of sealing element, the first knot that it is suitable for being installed by way of opposite sliding Sealing between structure and the second structure, below the application mainly using the lid ontology of the utensil lid of cooking appliance as first structure, Steam valve introduces the various embodiments of sealing element as the second structure, it is, of course, understood that other pass through opposite sliding Sealing can also be realized between the structure of installation using the sealing element by realizing.

As shown in fig. 6, present invention also provides the utensil lid with above-mentioned sealing element, utensil lid include lid ontology 2 and by The side of lid ontology 2 is fitted into the steam valve 3 in lid ontology, that is, steam valve 3 is side-extract type structure, and specifically, lid ontology 2 includes Inner cover 21, cover 22 and the panel 23 for covering cover 22 set gradually from inside to outside, "inner" "outside" described herein is phase For cooking appliance, it is interior inside cooking appliance, is outer inside separate cooking appliance.In panel 23 and cover The installation cavity 24 of steam valve 3 is formed between 22 and forms the installing port 25 of installation cavity 24 in the side of utensil lid, and steam valve 3 can be with It is packed into installation cavity 24 by installing port 25.Specifically, as shown in fig. 6, to cooking appliance at the close radial edges of cover 22 Internal bend forms a groove structure 221, and groove structure 221 and panel 23 are enclosed installation cavity 24, the edge of cover 22 with And the installing port 25 of installation cavity 24 is formed between the edge of panel 23.

As shown in Figure 4 and Figure 5, sealing element 1 includes fixed part 11 and the sealing 12 being connected with fixed part 11, such as Fig. 6 institute Show, fixed part 11 is fixedly connected with lid ontology 2, and sealing 12 is abutted against with steam valve 3, specifically, is set on the bottom wall of steam valve 3 It is equipped with air inlet 31 and refluxing opening 32, providing holes 121 on sealing 12, at least partly structure of sealing 12 passes through cover 22 and stretches Enter in installation cavity, after steam valve 3 is packed into installation cavity 24, sealing 12 and the bottom wall of steam valve 3 are abutted against, on sealing 12 Hole 121 is connected to air inlet 31 and refluxing opening 32, in this way, the steam generated in cooking appliance can be through hole 121, air inlet 31 water for entering in the vapor chamber of steam valve 3 and in steam valve 3 can flow back into cooking appliance through refluxing opening 32, hole 121 It is interior, avoid steam and water from leaking.

Sealing element 1 further includes guide part 13, and guide part 13 is configured to, and during steam valve 3 is packed into lid ontology 2, is led Matched to portion 13 with steam valve 3, will on the installation direction of steam valve 3 positioned at hole 121 front side sealing 12 to remote Direction guiding from steam valve 3, in the embodiment shown in fig. 6, the installation direction of steam valve 3 are along the radial by outer of utensil lid Inwardly (direction with reference to shown in arrow in Fig. 6), the sealing 12 of the front side on the installation direction of steam valve 3 positioned at hole 121 are Sealing 12 utensil lid radially positioned at hole 121 inside part, due to by guide part 13 by sealing 12 to remote Direction from steam valve 3 is oriented to (for example, being to the inside of the cooking appliance i.e. lower section of steam valve 3 in the embodiment shown in fig. 6 Guiding), so that steam valve 3 be avoided during the installation process to push sealing 12 open, guarantee the sealing element 1 after steam valve 3 is installed Sealing effect.

Guide part 13 can be that can arbitrarily cooperate with steam valve 3 to make steam valve 3 in the installation process of steam valve 3 Sealing 12 is pressed to the structure of the inside of cooking appliance, it is preferable that guide part 13 includes the guiding being arranged on sealing 12 Inclined-plane 131, along the radial to the direction for leaning on adjacent pores 121, guiding surface 131 is to far from steam valve 3 far from hole 121 of hole 121 Direction inclination, in this way, steam valve 3 is moved along the radial ecto-entad of utensil lid, and steam valve 3 acts on when steam valve 3 is installed On guiding surface 131, so that sealing 12 moves under the drive of guiding surface 131 to the direction far from steam valve 3, thus Effectively avoids steam valve 3 from boosting sealing 12 and the case where seal failure shown in Fig. 3 occur.

In order to simplify structure, it is further preferred that as shown in Figure 4 and Figure 5, sealing 12 includes sealing lip circle 14, sealing The radial inside edge of lip circle 14 surrounds hole 121, and at least part composition of the side of the close steam valve 3 of sealing lip circle 13 is led To inclined-plane 131, since 14 structure of sealing lip circle around hole 121 is easily boosted by steam valve 3, it is therefore preferred that guiding surface 131 are arranged by the position of adjacent pores 121.

In a specific embodiment, sealing lip circle 14 includes truncated cone-shaped tubular structure 141 and guide pin 142, rotary table The bigger diameter end of shape tubular structure 141 is connected with fixed part 11, and guide pin 142 is connected with the miner diameter end of truncated cone-shaped tubular structure 141, Also, from the radial outside of truncated cone-shaped tubular structure 141 to radially inner side, guide pin 142 inclines to the direction far from steam valve 3 Tiltedly, in this way, the side of the close steam valve 3 of guide pin 142 constitutes guiding surface 131, guide pin 142 can not only be played and be led To effect, additionally it is possible to play the role of reinforcing rib.

Region due to being located at 121 front side of hole on the installation direction of steam valve 3 is easy to be boosted by steam valve 3, it leads The position for being located at the front side in hole 121 on the installation direction of steam valve 3 is at least set to piece 142, it is further preferred that in order to Improve the strength and stiffness of guide pin 142, as shown in figure 4, guide pin 142 along hole circumferentially extending and extend more than or be equal to 3/4 week of hole 121, specifically, guide pin 142 include on the installation direction of steam valve 3 positioned at first of front side of hole 121 Second for dividing 1421 and being located at 1421 both ends of first part in the circumferential direction in hole 121 and being connected with first part 1421 Points 1422 and Part III 1423, second part 1422 and Part III 1423 be oppositely arranged, by setting guide pin 142 to On the one hand above structure can effectively avoid sealing 12 from being boosted, on the other hand also can be improved the integral strength of sealing element 1 And rigidity.

Preferably, fixed part 11 is clamped between cover 22 and inner cover 21, in this way, by fixed part 11 realize cover 22 with Sealing between inner cover 21 is specifically provided with the location structure for positioning to sealing element 1, location structure example on inner cover 21 It such as can be locating slot, positioning protrusion, in a specific embodiment, as shown in fig. 6, location structure is including setting Positioning slot structure 211 on lid 21, fixed part 11 include positioning slot structure 211 and the along its first axially extending protrusion 111 One protrusion, 111 cooperation is to position sealing element 1, and positioning slot structure 211 is preferably in a ring comprising outer ring side wall 2111, Interior ring-side wall 2112 and the groove bottom wall 2113 for connecting outer ring side wall 2111 and interior ring-side wall 2112, outer ring side wall 2111, inner ring Side wall 2112 and groove bottom wall 2113 surround the space for 111 insertion of the first protrusion.

Further, as shown in figure 3, fixed part 11 include cyclic structure 112 and by cyclic structure 112 outside towards ring The extension 113 that the radial outside of shape structure 112 extends, extension 113 is preferably also annular in shape, the first protrusion 111 and extension The side of 113 close inner cover 21 is connected, that is, the first protrusion 111 is downwardly extending by the lower surface of extension 113.It is cyclic annular Also a positioning groove is formed between structure 112 and the first protrusion 111, interior ring-side wall 2112 is inserted into the locating slot, further mentions The high reliability of positioning to sealing element 1.

Compressed part 222 is provided on cover 22, extension 113 is pressed on the end face of interior ring-side wall 2112 by compressed part 222 On.Preferably, as shown in fig. 6, cover 22 includes cover ontology 223, one for sealing 12 is offered on cover ontology 223 Point across through-hole, the edge of through-hole be provided with to 21 direction of inner cover protrude convex ribs 2232, preferably one circle convex ribs, convex ribs 2232, which constitute compressed part 222, is pressed on extension 113 on the end face of interior ring-side wall 2112.

Fixed part 11 further includes the second protrusion 114, the second protrusion 114 from the side of the close cover 22 of extension 113 to 22 direction of cover protrusion setting, that is, upper surface protruding upward formation of second protrusion 114 by extension 113, the setting of sealing 12 On the end face of the close cover 22 of ring structure 112, that is, sealing 12 is arranged on the upper surface of ring structure 112, sealing A positioning groove is formed between portion 12 and the second protrusion 113, compressed part 222 is inserted between sealing lip circle 14 and the second protrusion 113 Locating slot in, it is preferable that for the structural reliability for reinforcing sealing element 1, radially, the first protrusion 111 and second protrusion 114 Position it is corresponding.

Further, utensil lid further includes compressing member (not shown), and compressing member is connected with inner cover 21 and will sealing Part 1 is pressed on inner cover 21, to sealing element 1 is located on inner cover 21, sealing element 1 when inner cover 21 and cover 22 being avoided to assemble The problem of being displaced, it is preferable that compressing member is the inner cover stiffening plate being arranged on inner cover 21, and inner cover stiffening plate, which is preferably pressed in, prolongs It is pressed on outer ring side wall 2111 in extending portion 113 and further preferably by extension 113.

It is further preferred that being provided with the flange 33 around air inlet 31 and refluxing opening 32 on steam valve 3, pass through flange 33 It abuts against with sealing 12, in this way, on the one hand can be improved sealing effect, on the other hand can further avoid sealing 12 The risk boosted.

Present invention also provides the cooking appliance with above-mentioned utensil lid, cooking appliance can be micropressure pot, electric cooker, electricity A plurality of types of boiling electric appliances such as pressure cooker, electric steamer.

Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made It changes, is all included in scope of the presently claimed invention.

Claims

1. a kind of sealing element, for the sealing between the first structure installed by way of opposite sliding and the second structure, It is characterised in that it includes fixed part and the sealing being connected with the fixed part, the fixed part is used for and the first structure It is fixedly connected, the sealing is provided with hole, the sealing element further includes for abutting against with the second structure on the sealing Guide part, the guide part are configured to, the first structure and second structure are opposite be slidably installed when with described second Structure cooperation will be located at the sealing of the front side in the hole to far from described second on the installation direction of second structure The direction of structure is oriented to.

2. sealing element according to claim 1, which is characterized in that the guide part includes being arranged on the sealing Guiding surface, along the radial from, to the direction close to the hole, the guiding surface is to far from described far from the hole of the hole The direction of second structure tilts.

3. sealing element according to claim 2, which is characterized in that the sealing includes sealing lip circle, the sealing lip The radial inside edge of circle surrounds the hole, at least part structure of the side close to second structure of the sealing lip circle At the guiding surface.

4. sealing element according to claim 3, which is characterized in that the sealing lip circle includes truncated cone-shaped tubular structure and leads To piece, the bigger diameter end of the truncated cone-shaped tubular structure is connected with the fixed part, the guide pin and the truncated cone-shaped tubular knot The miner diameter end of structure is connected, and from the radial outside of the truncated cone-shaped tubular structure to radially inner side, the guide pin is to far from described The direction of second structure tilts, and the side close to second structure of the guide pin constitutes the guiding surface.

5. sealing element according to claim 4, which is characterized in that the guide pin is at least set to second structure It is located at the position of the front side in the hole on installation direction.

6. sealing element according to claim 5, which is characterized in that the guide pin includes the installation in second structure It is located at the first part of the front side in the hole on direction and is located at the first part both ends in the circumferential direction in the hole And the second part and Part III being connected with the first part.

7. a kind of utensil lid, which is characterized in that the utensil lid include lid ontology and as the lid ontology side be packed into described in Steam valve in lid ontology further includes the sealing element as described in one of claim 1 to 6, and the lid ontology constitutes described first Structure, the steam valve constitute second structure, are provided with air inlet and refluxing opening on the steam valve, the sealing element Hole is connected to the air inlet and the refluxing opening.

8. utensil lid according to claim 7, which is characterized in that the lid ontology includes inner cover, cover and covering institute The panel of cover is stated,

Installation cavity for installing the steam valve is arranged between the panel and the cover, at least portion of the sealing Separation structure passes through the cover and protrudes into the installation cavity；And/or

The fixed part is clamped between the cover and the inner cover.

9. utensil lid according to claim 7, which is characterized in that be provided on the steam valve around the air inlet and The flange of the refluxing opening, the flange are abutted against with the sealing.

10. a kind of cooking appliance, which is characterized in that including the utensil lid as described in one of claim 7 to 9.