CN209932391U - Steam valve assembly - Google Patents

Abstract

The utility model discloses a steam valve component, including steam valve seat and the steam valve gap of demountable installation on the steam valve seat, be provided with the sealing washer between steam valve gap and the steam valve seat, the sealing washer includes sealed main part, and the upper portion of sealed main part is provided with first sealed muscle, and the lower part of sealed main part is provided with at least one sealed supporting legs, the sealing washer respectively with steam valve gap and steam valve seat be in close fit with make first sealed muscle butt on steam valve gap, sealed supporting legs butt on the steam valve seat, first sealed muscle has the first extension section that extends inwards, the up end of first extension section hugs closely on the lower terminal surface of steam valve gap so as to form airtight space; steam in the airtight space can upwards push up first extension on the lower terminal surface of steam valve gap tightly, and the steam valve subassembly of above structure prevents steam leakage, guarantees the good gas tightness of steam valve subassembly, guarantees cooking appliance's normal work.

Description

Steam valve assembly

Technical Field

The utility model relates to the field of household appliances, especially a steam valve assembly.

Background

In the prior art, the household cooking appliance is provided with a steam valve for adjusting the working pressure inside the appliance and discharging steam, and the steam valve is generally arranged on a surface cover of the household cooking appliance. General steam valve subassembly includes the steam valve gap, steam disk seat and sealing washer, is equipped with steam inlet on the steam disk seat, is equipped with steam outlet on the steam valve gap, and the inside of steam valve subassembly then is formed with steam channel, because the material of steam valve gap and steam disk seat is plastics, both are heated and produce easily after the pressurized and warp to lead to the unable sealed effect of realization of ordinary sealing washer, cause steam to discharge from the clearance between steam valve gap and the steam disk seat, influence cooking appliance's normal work.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a steam valve assembly with good airtightness.

The utility model discloses a solve its technical problem and the technical scheme who adopts is:

the utility model provides a steam valve subassembly, includes steam valve seat and the steam valve gap of demountable installation on the steam valve seat, is provided with the sealing washer between steam valve gap and the steam valve seat, the sealing washer is including sealed main part, and the upper portion of sealed main part is provided with first sealed muscle, and the lower part of sealed main part is provided with at least one sealed supporting legs, the sealing washer is respectively with steam valve gap and steam valve seat close fit with make first sealed muscle butt on steam valve gap, sealed supporting legs butt on the steam valve seat, first sealed muscle has the first extension section that extends inwards, the up end of first extension section is hugged closely on the lower terminal surface of steam valve gap in order to form airtight space.

Preferably, the upper part of the sealing main body is provided with a second sealing rib which is pressed against the steam valve cover.

The second sealing rib is provided with a second extending section opposite to the extending direction of the first extending section, and the upper end face of the second extending section is tightly attached to the lower end face of the steam valve cover.

In an embodiment of the present invention, the lower portion of the sealing main body is provided with two sealing supporting legs at intervals, and the cross section of the sealing ring is in an X shape.

In another embodiment, the steam valve cover has a side portion located outside the sealing body and extending downward, and the second sealing rib abuts against the side portion.

The steam valve seat is provided with a mounting groove, the sealing main body and the sealing supporting legs are accommodated in the mounting groove, the sealing supporting legs abut against the bottom of the mounting groove, and the first sealing rib protrudes upwards from the mounting groove and abuts against the steam valve cover.

Preferably, the sealing ring is made of soft materials with Shore hardness of 10-80 degrees.

The utility model has the advantages that: the upper portion of the sealing washer of the steam valve subassembly of above structure has the first extension section of inside extension of orientation steam valve subassembly, and the up end of first extension section is hugged closely on the lower terminal surface of steam valve lid in order to form airtight space, and steam in the airtight space can upwards push up first extension section tightly on the lower terminal surface of steam valve lid, prevents that steam from leaking, guarantees the good gas tightness of steam valve subassembly, guarantees cooking appliance's normal work.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic internal cross-sectional view of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a seal ring in combination with a steam valve seat and a steam valve cover;

FIG. 3 is a schematic diagram of the construction of the seal ring of FIG. 2;

FIG. 4 is a schematic structural view of another embodiment of a sealing ring combined with a steam valve seat and a steam valve cover;

fig. 5 is a schematic structural view of the seal ring in fig. 4.

Detailed Description

Referring to fig. 1 to 5, a steam valve assembly includes a steam valve seat 1 and a steam valve cover 2 detachably mounted on the steam valve seat 1, the steam valve seat 1 and the steam valve cover 2 are generally connected by a snap-fit structure, so as to be conveniently detached and cleaned, a steam inlet 12 is provided on the steam valve seat 1, a steam outlet 22 is provided on the steam valve cover 2, a sealing ring 3 is provided between the steam valve cover 2 and the steam valve seat 1, the sealing ring 3 includes a sealing main body, a first sealing rib 31 is provided on an upper portion of the sealing main body, at least one sealing support leg 32 is provided on a lower portion of the sealing main body, the sealing ring 3 is respectively tightly fitted with the steam valve cover 2 and the steam valve seat 1 so that the first sealing rib 31 abuts against the steam valve cover 2 and the sealing support leg 32 abuts against the steam valve seat 1, the first sealing rib 31 has a first extension section extending inwardly, an upper end surface of the first extension section is closely attached to a lower end, wherein, a part of the first sealing rib 31 is abutted with the steam valve seat 1 and the steam valve cover 2 to form the first extending section, and the extending direction of the first extending section faces to the inside of the airtight space. Steam that gets into in the airtight space can upwards push up first extension on the lower terminal surface of steam valve gap 2 tightly, prevents that steam from leaking, guarantees the good gas tightness of steam valve subassembly, guarantees cooking appliance's normal work.

As a preferred embodiment of the present invention, the upper portion of the sealing body is provided with a second sealing rib 33 abutting against the steam valve cover 2. When the first sealing rib 31 is damaged or fails, another airtight space can be formed between the second sealing rib 33 and the steam valve seat 1 and the steam valve cover 2, so that a double-sealing structure is formed between the sealing ring and the steam valve seat 1 and the steam valve cover 2, and the sealing performance and reliability of the sealing ring are greatly improved.

In an embodiment of the present invention, referring to fig. 2, the second sealing rib 33 has a second extending section with a direction opposite to the extending direction of the first extending section, the upper end surface of the second extending section is closely attached to the lower end surface of the steam valve cover 2, the lower part of the sealing main body is provided with two sealing supporting legs 32 at an interval, referring to fig. 3, the cross section of the sealing ring 3 is in an X shape.

In another embodiment of the present invention, referring to fig. 4, the steam valve cover 2 has a side portion 21 located outside the sealing main body and extending downward, the second sealing rib 33 abuts against the side portion 21, the lower portion of the sealing main body is provided with a sealing support foot 32, and referring to fig. 5, the cross section of the sealing ring 3 is Y-shaped.

The steam valve seat 1 of the steam valve component is provided with a mounting groove 11, the sealing main body and the sealing supporting leg 32 are accommodated in the mounting groove 11 so as to be convenient for mounting and positioning the sealing ring 3, the sealing supporting leg 32 abuts against the bottom of the mounting groove 11, and the first sealing rib 31 protrudes upwards from the mounting groove 11 and abuts against the steam valve cover 2.

Preferably, the sealing ring 3 is made of a soft material with shore hardness of 10-80 degrees, the sealing ring 3 can be obviously deformed when being squeezed by the steam valve seat 1 and the steam valve cover 2, and further a sealing effect is achieved, and the soft material can be rubber, silica gel or other materials meeting the shore hardness requirement.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a steam valve subassembly, includes steam valve seat and the steam valve gap of demountable installation on steam valve seat, is provided with sealing washer, its characterized in that between steam valve gap and the steam valve seat:

the sealing washer is including sealed main part, and the upper portion of sealed main part is provided with first sealed muscle, and the lower part of sealed main part is provided with at least one sealed supporting legs, the sealing washer is equipped with respectively with steam valve gap and steam valve seat tightly so that first sealed muscle butt on the steam valve gap, sealed supporting legs butt on the steam valve seat, first sealed muscle has the first extension section that extends inwards, the up end of first extension section is hugged closely in order to form airtight space on the lower terminal surface of steam valve gap.

2. The steam valve assembly of claim 1, wherein:

and the upper part of the sealing main body is provided with a second sealing rib which is tightly propped against the steam valve cover.

3. The steam valve assembly of claim 2, wherein:

the second sealing rib is provided with a second extending section opposite to the extending direction of the first extending section, and the upper end face of the second extending section is tightly attached to the lower end face of the steam valve cover.

4. A steam valve assembly according to claim 3, wherein:

two sealing supporting legs are arranged at the lower part of the sealing main body at intervals, and the cross section of the sealing ring is X-shaped.

5. The steam valve assembly of claim 2, wherein:

the steam valve cover is provided with a side part which is positioned on the outer side of the sealing main body and extends downwards, and the second sealing rib abuts against the side part.

6. A steam valve assembly according to any one of claims 1 to 5, wherein:

the steam valve seat is provided with a mounting groove, the sealing main body and the sealing supporting legs are accommodated in the mounting groove, the sealing supporting legs abut against the bottom of the mounting groove, and the first sealing rib protrudes upwards from the mounting groove and abuts against the steam valve cover.

7. A steam valve assembly according to any one of claims 1 to 5, wherein:

the sealing ring is made of soft materials with Shore hardness of 10-80 degrees.

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