CN209153063U - Cover assembly and cooking machine - Google Patents

Abstract

The utility model relates to household appliance technical field, a kind of cover assembly and cooking machine are disclosed.The cover assembly includes cover (1), inner cover (2) and the sealing ring (4) for partially protruding into the steam port (3) being formed on the inner cover (2) surface and the steam port (3) being sealed, the sealing ring (4) is equipped with edge and protrudes into the perforative steam channel in direction (5), the first convex ribs (6) extended downwardly are provided on the inside of the cover (1), first convex ribs (6) are inserted into the steam channel (5), the top of the sealing ring (4) is equipped with the mounting portion (7) that the sealed ring deformation is prevented with the cover location fit.The utility model, which is provided with to be inserted into during sealing ring cover with the mounting portion of cover cooperation, carries out positioning limitation, to solve the problems, such as the sealed ring deformation or displacement caused by squeezing sealing ring, the sealing effect that ensure that sealing ring prevents the phenomenon that leaking in steam.

Description

Cover assembly and cooking machine

Technical field

The utility model relates to household electrical appliance, more particularly to a kind of cover assembly and cooking machine.

Background technique

Electric cooker, electric pressure cooking saucepan etc. cook household electrical appliances, all have steam valve, during the cooking process, soup mixture follows steaming Vapour bubble is overflowed from steam valve, or is back in liner from steam valve.

Currently, product-forming develops advance to simplicity direction, generally require product with concealed steam valve, i.e. steam Valve is mounted on inside upper cover, to realize the smooth succinct purpose in product entirety interface.Since steam valve is built in interiors of products, The phenomenon that being easy to appear leakage in steam, therefore a sealing ring can be generally installed in inner cover, built-in steam valve is sealed on one side, It is sealed on one side with cover or other components, so that product is discharged in the sealed circle of steam, product is effectively prevent to occur in steam Leakage.

But ring structure in the prior art, to guarantee sealing effect, is pacified during being coupled with cover Cover can squeeze sealing ring to realize and be fitted close during dress, this results in sealing ring to be easy to appear deformation or displacement The problem of.

Utility model content

Caused by cover of the existing technology and sealing ring installation process The problem of sealed ring deformation or displacement, a kind of cover assembly is provided, to sealing ring when which solves cover insertion sealing ring The problem of sealed ring deformation caused by extruding or displacement.

To achieve the goals above, on the one hand the utility model provides a kind of cover assembly, including cover, inner cover and portion Divide the sealing ring for protruding into the steam port being formed in the inner cap surface and being sealed to the steam port, the sealing ring is set Have along the perforative steam channel in direction is protruded into, is provided with the first convex ribs extended downwardly, first convex ribs on the inside of the cover Be inserted into the steam channel and be interference fitted with the inner wall of the steam channel, the top of the sealing ring be equipped with The cover location fit is to prevent the mounting portion for causing the sealed ring deformation in the first convex ribs insertion process.

Preferably, the mounting portion extend around the steam channel and be connected in the steam port towards the cover Edge.

Preferably, the mounting portion includes the annular mounting groove around the steam channel to lower recess, the cover Inside is provided with the second convex ribs for extending downwardly and protruding into the mounting groove.

Preferably, the inner wall of the steam channel is equipped with protrusion, and first convex ribs are inserted into the steam channel simultaneously The protrusion is squeezed to be interference fitted between the inner wall of the steam channel and the outside wall surface of first convex ribs to realize.

Preferably, when first convex ribs squeeze the protrusion during insertion, second convex ribs are located at the peace The deformation of the sealing ring is limited inside tankage.

Preferably, clearance fit between the lower end surface of second convex ribs and the slot bottom of the mounting groove.

Preferably, the inner cap surface, which is equipped with, encloses muscle around the steam port, and the muscle that encloses is formed with the steam port Stage portion, the outer edge for enclosing mounting portion described in muscle inner sidewall backstop.

Preferably, the part that the sealing ring protrudes into the steam port circumferentially forms blocking portion, the blocking portion Backstop is in the steam port towards edge on the inside of the inner cover.

Preferably, the steam (vapor) outlet being connected with the steam channel is offered on the cover.

The utility model second aspect provides a kind of cooking machine, including cover assembly described in any of the above.

It is sealed through the above technical solutions, the utility model is provided with to be inserted into cover with the mounting portion of cover cooperation Positioning limitation is carried out during circle, the sealed ring deformation caused by squeezing when to solving cover insertion sealing ring sealing ring Or the problem of displacement, the phenomenon that ensure that the sealing effect of sealing ring, prevent leakage in steam.

Detailed description of the invention

Fig. 1 is a kind of explosive view of the cover assembly of embodiment of the utility model；

Fig. 2 is the structural schematic diagram of inner cover in Fig. 1；

Fig. 3 is the structural schematic diagram of sealing ring in Fig. 1；

Fig. 4 is the top view of cover in Fig. 1；

The face A-A cross-sectional view in Fig. 4 when Fig. 5 is cover and sealing ring assembly；

Fig. 6 is the partial enlarged view of Fig. 5；

Fig. 7 is the face A-A cross-sectional view in cover and the Fig. 4 of sealing ring after the assembly is completed；

Fig. 8 is the partial enlarged view of Fig. 7；

Fig. 9 is the bottom view of cover in Fig. 1；

Figure 10 is the Structure explosion diagram of steam valve in the utility model；

Figure 11 is steam valve structure schematic diagram in the utility model；

Figure 12 is the face A-A cross-sectional view in Figure 11；

Figure 13 is the position relationship structural diagram between the cover assembly of the utility model and steam valve.

Description of symbols

1-cover, 2-inner covers, 3-steam ports, 4-sealing rings, 5-steam channels, the 6-the first convex ribs, 7-installations Muscle, 11-protrusions, 12-blocking portions, 13-valve decks, 14-valve seats, 15-are enclosed in portion, 8-mounting grooves, the 9-the second convex ribs, 10- Gas outlet, 16-buckles, 17-skirts, 18-sealing bars, 19-annular grooves, 20-annular convex platform.

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 conjunction with Fig. 1-9, one aspect according to the present utility model, provide a kind of cover assembly, including cover 1, inner cover 2 with And the steam port 3 being formed on 2 surface of inner cover and the sealing ring 4 being sealed to the steam port 3 are partially protruded into, it is described Sealing ring 4 is equipped with along the perforative steam channel 5 in direction is protruded into, and the first convex ribs 6 extended downwardly are provided on the inside of the cover 1, First convex ribs 6 are inserted into being interference fitted in the steam channel 5 and with the inner wall of the steam channel 5, described close The top of seal 4 is equipped with 1 location fit of cover to prevent from causing the sealing ring in 6 insertion process of the first convex ribs The mounting portion 7 of 4 deformations.

It is formed in described through the above technical solutions, 4 one side of the sealing ring in the utility model can seal On the other hand steam port 3 on 2 surface of lid passes through the mistake between the first convex ribs 6 of internal steam channel 5 and the cover 1 Cooperation of being full of can will be sealed between cover 1 and inner cover 2, so that steam channel 5 of the steam completely through the sealing ring 4 Discharge, effectively prevent draining in steam between cover 1 and inner cover 2.

In addition, may be caused due to squeezing action during first convex ribs 6 are inserted into steam channel 5 The deformation of the sealing ring 4, influences sealing effect.Therefore, it is further provided on the sealing ring 4 of the utility model and institute The mounting portion 7 of 1 location fit of cover is stated, as a result, during first convex ribs 6 are inserted into steam channel 5, the installation Portion 7 and the cover 1 realize location fit, can play the role of further limiting to the location and shape of sealing ring 4, thus The problem of effectivelying prevent the deformation or displacement of sealing ring 4 of cover when being inserted into sealing ring due to caused by squeezing, guarantees sealing Reliability further prevents the phenomenon that leakage in steam occur.

Wherein, the mounting portion 7 can take various forms, as long as not influencing the circulation of 5 steam inside of steam channel, simultaneously The location fit being able to achieve between the cover 1 again.As one such embodiment, the mounting portion 7 is surrounded The steam channel 5 extends and is connected in the edge towards the cover 1 of the steam port 3, the installation designed using this kind Portion 7 is also convenient for realizing the sealing to the steam port 3.

Further, to realize the location fit between the mounting portion 7 and the cover 1, the mounting portion 7 is including enclosing Around annular from the steam channel 5 to lower recess mounting groove 8, be provided on the inside of the cover 1 extend downwardly and protrude into it is described Second convex ribs 9 of mounting groove 8.Certainly, the location fit between mounting portion 7 described in the utility model and the cover 1 may be used also It is realized in the form of through other such as snappings, clamping, as long as the steam channel 5 can be inserted into first convex ribs 6 In the process, positioning action is played to the sealing ring 4.

It is to be appreciated that for the reliability for guaranteeing sealing, the inner wall of first convex ribs 6 and the steam channel 5 it Between be interference fitted.Specifically, as one of structure type for realizing interference fit, the inner wall of the steam channel 5 is set There is protrusion 11, first convex ribs 6 are inserted into the steam channel 5 and squeeze described raised 11 to realize the steam channel 5 Inner wall and first convex ribs 6 outside wall surface between be interference fitted.

When squeezing described raised 11 during insertion due to first convex ribs 6, most to the extruding force of entire sealing ring 4 Greatly, sealing ring 4 is also easiest to the phenomenon that deforming at this moment, therefore, need to guarantee that first convex ribs 6 squeeze during insertion When pressing described raised 11, second convex ribs 9 have been positioned at the inside of the mounting groove 8, can effectively limit the sealing The deformation of circle 4.From the point of view of Fig. 6, it is preferable that the length that second convex ribs 9 extend downwardly can be appropriately extended, alternatively, suitable When reducing the described raised 11 setting height on the steam channel 5, so that second convex ribs 9 protrude into the installation The movement of slot 8 squeezes raised 11 movement than first convex ribs 6 and preferentially occurs.

In order to facilitate dismounting, and then taken out from the mounting groove 8 convenient for second convex ribs 9, second convex ribs 9 Clearance fit between lower end surface and the slot bottom of the mounting groove 8, it is preferable that the gap is not less than 0.5mm.

Further, in order to which the position to the sealing ring 4 carries out comprehensive limitation, 2 surface of inner cover is equipped with ring Muscle 10 is enclosed around the steam port 3, it is described to enclose muscle 10 and the steam port 3 forms stage portion, it is described to enclose 10 inner sidewall backstop of muscle The outer edge of the mounting portion 7.For to a certain extent, the setting of the stage portion can facilitate the installation of the sealing ring 4, add Strong sealing effect of the sealing ring 4 to the steam port 3, increases steam from the steam port 3 to the inner cover 2 and face Leakage path between lid 1, further effectively prevent steam to leak outside.

Cooperation between the mounting portion 7 and the stage portion has been able to reach well the sealing ring 4 to described The sealing effect of steam port 3 can regard above-mentioned sealing means to institute as a kind of preferred embodiment of the utility model The sealing of steam port 3 towards the outside of the cover 1 is stated, it, can also be remote to the steam port 3 to further strengthen sealing effect Inside from the cover 1 is sealed.Specifically, the sealing ring 4 protrudes into the part of the steam port 3 circumferentially Blocking portion 12 is formed, 12 backstop of blocking portion is in the edge towards 2 inside of inner cover of the steam port 3；Certainly, described Blocking portion 12 can use the structure type of any suitable, the bulge-structure bent around as shown in Figure 8.

To realize steam discharge, the steam (vapor) outlet being connected with the steam channel 5 is offered on the cover 1.It is described After the steam port 3 is fully sealed sealing ring 4, steam can only be arranged along the steam channel 5 from the steam (vapor) outlet on cover 1 Out, simultaneously because interference fit between first convex ribs 6 and the steam channel 5, so that steam energy in discharge process It is enough effectively to avoid draining in it between inner cover 2 and cover 1.

The cover 1 is fastened on the inner cover 2 by the utility model in assembly, and second convex ribs 9 protrude into described Mounting groove 8 at this point, first convex ribs 6 are inserted into the steam channel 5, and starts the protrusion 11 with 5 inner wall of steam channel Contact, the amount of interference when the cover 1, which continues to move down, buckles into the inner cover 2, between first convex ribs 6 and described raised 11 It incrementally increases, at this point, the sealing ring 4 will appear the trend being deformed inward, but since second convex ribs 9 at this time have protruded into In the mounting groove 8, restriction effect can be played to the deformation of the sealing ring 4, to effectively prevent the deformation or shifting of sealing ring 4 The problem of position, guarantees the reliability of sealing.It is to be appreciated that for convenience of assembling, 8 two sides of mounting groove, first convex ribs 6 Guidance feature should have all been designed with second convex ribs 9.

In conjunction with Figure 10-12, to further illustrate the application, 4 lower part of sealing ring is equipped with steam valve packet described in steam valve Valve deck 13 and valve seat 14 are included, the valve deck 13 is equipped with gas outlet 15.As shown in figure 13, the valve deck 13 is arranged in the sealing The lower part of circle 4, wherein the blocking portion 12 of the sealing ring 4 has elasticity, and the steam valve is by squeezing the blocking portion 12 are resisted against the lower surface of the blocking portion 12, and the gas outlet 15 is connected with the steam channel 5, thus from it is described go out The steam that port 15 is discharged will be discharged along the steam channel 5 from the steam (vapor) outlet on the cover 1.To prevent in use process Leak air phenomenon, is sealed between the valve deck 13 and the valve seat 14 by sealing bar 18.

It should be noted that existing steam valve sealing bar section is usually in circular ring shape or solid cylindrical, this sealing It is smaller that muscle requires valve deck to fluctuate with valve seat size, and valve deck and valve seat fasten mistake and cause poor sealing when otherwise will appear installation； Another common sealing bar section is solid squares, this kind of sealing bar section is wider, can make up the size of valve deck and valve seat Fluctuation and rigging error, but this sealing bar generally requires the fastening amount of valve deck and valve seat larger, Cai Nengbao due to being entity Certain sealing bar decrement is demonstrate,proved, but this will obviously make the installation of valve deck and valve seat fasten more difficulty.

A kind of simple steam valve structure is used in the utility model, install convenient is at low cost.Specifically, institute The one end and the valve deck 13 for stating valve seat 14 are rotatablely connected, and the other end of the valve seat 14 is equipped with buckle 16, and the buckle 16 is logical It crosses axis to be fixed on the valve seat 14, so as to when the valve deck 13 is fastened on the valve seat 14, by 16 turns of the buckle It is fastened on the valve deck 13 after dynamic.

Wherein, the sealing bar 18 of the steam valve is mounted on the valve deck 13, and the sealing bar 18 has width simultaneously Side and hollow structure feature, more specifically, the sealing bar 18 is ring structure circumferentially arranged along the valve seat 14, So as to realize sealing between the two after the valve deck 13 is fastened with the valve seat 14.

Specifically, the downward concave shape in middle part for the upper surface that the sealing bar 18 is matched with the valve deck 13 circularizes Groove 19, the section of the sealing bar 18 is U-shaped as a result, the downwardly convex formation in the lower surface of the valve deck 13 and the annular The annular convex platform 20 that groove 19 matches, alternatively, further, the valve deck 13 is upward in the two sides of the annular convex platform 20 Indent, so that the assembly between the convenient and described sealing bar 18 seals.

The upper edge of the valve seat 14 circumferentially forms sealing shirt rim 17, when the valve deck 13 is fixed on the valve seat 14 When upper, the sealing shirt rim 17 is adapted with the lower surface of the sealing bar 18, and compresses the sealing bar 18, (described in figure Interference portion between sealing shirt rim 17 and the sealing bar 18 is decrement).At this point, the convex annular of the valve deck 13 There are certain intervals between platform 20 and the annular groove of the sealing bar 18 19, can allow for the sealing bar 18 towards the ring Shape boss 20 has certain deflection；It should be noted that the gap need to be less than the sealing shirt rim 17 to the sealing bar 18 Decrement.

In addition, shape can change after the sealing bar 18 is compressed, the annular groove 19 of the sealing bar 18 U-shaped section both ends can be to contract, at this moment due to the mutual cooperation between the annular convex platform 20 and the annular groove 19 Effect, the annular convex platform 20 protrude into after the annular groove 19 inward at both ends that can limit the U-shaped section of the annular groove The displacement of contraction, so that it is guaranteed that the sealing bar 18 only has the compressive deformation displacement of up and down direction.

According to the above-mentioned technical solution, the sealing bar 18, can not only with the broadside feature of solid squares sealing bar To make up the size fluctuation and rigging error of valve deck 13 Yu valve seat 14；Also there is hollow seal muscle by setting annular groove 19 Feature can obtain reliable sealing bar decrement by lesser fastening power.

The utility model additionally provides a kind of cooking machine, including cover assembly described in any of the above.Wherein, the cooking Machine can be electric cooker, electric pressure cooking saucepan etc..The cooking machine has all advantages described in the above cover assembly.

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 (10)

1. a kind of cover assembly, which is characterized in that including cover (1), inner cover (2) and partially protrude into and be formed in the inner cover (2) steam port on surface (3) and the sealing ring (4) being sealed to the steam port (3), the sealing ring (4) are equipped with edge It protrudes into the perforative steam channel in direction (5), is provided with the first convex ribs (6) extended downwardly on the inside of the cover (1), described first Convex ribs (6) are inserted into the steam channel (5) and are interference fitted with the inner wall of the steam channel (5), the sealing The top of (4) is enclosed equipped with described close to prevent from causing in the first convex ribs (6) insertion process with the cover (1) location fit The mounting portion (7) of seal (4) deformation.

2. the cover assembly according to claim 1, which is characterized in that the mounting portion (7) is logical around the steam Road (5) extends and is connected in the edge towards the cover (1) of the steam port (3).

3. the cover assembly according to claim 2, which is characterized in that the mounting portion (7) includes surrounding the steaming To the annular mounting groove (8) of lower recess, cover (1) inside, which is provided with, extends downwardly and protrudes into the peace in vapour channel (5) The second convex ribs (9) of tankage (8).

4. the cover assembly according to claim 3, which is characterized in that the inner wall of the steam channel (5) is equipped with Raised (11), first convex ribs (6) are inserted into the steam channel (5) and squeeze raised (11) to realize the steam It is interference fitted between the inner wall in channel (5) and the outside wall surface of first convex ribs (6).

5. the cover assembly according to claim 4, which is characterized in that first convex ribs (6) are during insertion When squeezing raised (11), it is internal to limit the sealing ring (4) that second convex ribs (9) are located at the mounting groove (8) Deformation.

6. the cover assembly according to claim 3, which is characterized in that the lower end surface of second convex ribs (9) and institute State clearance fit between the slot bottom of mounting groove (8).

7. the cover assembly according to claim 2, which is characterized in that inner cover (2) surface is equipped with around described Steam port (3) encloses muscle (10), and enclose muscle (10) and the steam port (3) form stage portion, described to enclose muscle (10) inner sidewall The outer edge of mounting portion described in backstop (7).

8. the cover assembly according to claim 1, which is characterized in that the sealing ring (4) protrudes into the steam port (3) part is circumferentially formed blocking portion (12), and blocking portion (12) backstop is in the steam port (3) described in Edge on the inside of inner cover (2).

9. the cover assembly according to claim 1, which is characterized in that offered and the steaming on the cover (1) The steam (vapor) outlet that vapour channel (5) is connected.

10. a kind of cooking machine, which is characterized in that including cover assembly described in any one of claim 1-9.