CN216167313U - Sealing structure of household appliance - Google Patents

Abstract

A sealing structure of a household appliance comprises an inner container cavity and a door body, wherein the inner container cavity is provided with an opening, the door body is used for closing or opening the opening, sealing parts are arranged on the left side and the right side of the lower end of the inner container cavity, each sealing part comprises an installation part, a sealing part and a seepage water interception part, the inner container cavity comprises a cavity chassis, and the sealing parts are clamped and fixed on the cavity chassis through the installation parts; the door body and the sealing part are matched to form sealing; the water permeating to the outer side of the sealing element flows into the inner container cavity along the permeating water intercepting part. The permeable water intercepting part comprises a flow passage, a flow hole and a ventilation drain hole, the ventilation drain hole can balance the air pressure between the groove and the outside and can also drain the permeable water in the flow passage, and the flow hole can decompose and discharge the permeable water in the inner container cavity for the second time so as to enable the permeable water to flow into the inner container cavity. The utility model has the characteristics of simple structure, convenient installation, strong reliability, strong sealing property, low cost and the like.

Description

Sealing structure of household appliance

Technical Field

The utility model relates to a household appliance, in particular to a sealing structure of the household appliance.

Background

The dish washer on the existing market, because of the tensile technology of sheet metal component and the restriction of product motion structure, both ends corner about door body below and the cavity, the clearance of accessible drop of water is usually reserved in the product structural design. When the dish washer operates, through the direct injection or refraction of spray arm drop in the cavity, the drop can splash outside the dish washer cavity through the clearance at both ends about the door body below, flows into user ground, causes quality complaint or claim.

Chinese patent document No. CN211933963U discloses an electrical apparatus with a door body in 24.03.2020, specifically discloses, including having the casing that holds the chamber, hold and be provided with the side direction opening on the chamber, the side direction opening corresponds and is provided with the opening and shutting door, and the side direction opening includes: the sealing groove is arranged along the edge of the lateral opening, a sealing element is arranged in the sealing groove, a plurality of clamping grooves are formed in the sealing groove and suitable for being connected and fixed with the sealing element, at least one of the sealing element and the opening and closing door is a magnetic part, and the sealing element is in a sealing state which is attached to the opening and closing door under the interaction of the sealing element and the opening and closing door. However, the structure still has the defects described above, and water drops can flow to the ground through gaps at the left end and the right end below the door body, so that potential safety hazards are brought to users.

Therefore, improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing structure of a household appliance, which has the advantages of simple structure, convenience in installation, strong reliability, strong sealing property and low cost, and overcomes the defects in the prior art.

According to the seal structure of this purpose design's domestic appliance, domestic appliance includes inner bag cavity and the door body, and the inner bag cavity is equipped with the opening, and the door body is used for closing or opening its characterized in that: sealing pieces are arranged on the left side and the right side of the lower end of the inner container cavity, each sealing piece comprises an installation part, a sealing part and a permeated water intercepting part, the inner container cavity comprises a cavity chassis, and the sealing pieces are clamped and fixed on the cavity chassis through the installation parts; the door body is matched with the sealing part to form sealing; the water permeating to the outer side of the sealing piece flows into the inner container cavity along the permeating water intercepting part.

The inner container cavity further comprises a cavity middle plate, a first flanging is arranged on the cavity middle plate, the mounting part comprises a first groove, the first groove is formed in the upper end of the sealing part, and the cavity middle plate is inserted into the first groove through the first flanging; the cavity chassis is provided with a second flanging, the mounting part comprises a second groove, the second groove is formed in the lower end of the sealing element, and the cavity chassis is inserted into the second groove through the second flanging.

The cavity chassis is provided with a first reverse buckle, the installation part further comprises a third groove, a second reverse buckle is arranged in the third groove, and the first reverse buckle and the second reverse buckle are mutually limited and fixed.

The inner container sealing structure is characterized in that a sealing frame and an inner container sealing strip are arranged on the inner container cavity, the sealing element further comprises a bending portion, the bending portion is arranged at the rear end of the sealing element, the bending portion is inserted between the sealing frame and the side wall of the inner container cavity during installation, and one end of the inner container sealing strip is clamped between the sealing frame and the bending portion.

The outside of sealing member is equipped with first protruding muscle, the inboard of sealing member is equipped with the protruding muscle of second, first protruding muscle with the laminating of the lateral wall of inner bag cavity, the protruding muscle of second with the laminating of inner bag sealing strip.

The lower end of the sealing element is provided with a fixed seat and a limiting boss, the cavity chassis is provided with a chassis boss, the other end of the liner sealing strip is tightly attached to the fixed seat, and the limiting boss and the chassis boss are in staggered fit connection.

The sealing element is provided with a supporting arm, a buffering flow blocking wall and a downward-inclined sinking edge, a step seam is formed between the sinking edge and the inner container sealing strip, and water flow penetrating through the step seam flows into the inner container cavity through the buffering flow blocking wall.

The sealing part comprises a sealing boss and a sealing convex arm, and when the door body is closed, the door body is matched with the sealing boss and the sealing convex arm to form sealing.

The penetrating water intercepting part comprises a flow passage, a flow hole and a ventilation drain hole, water penetrating to the outer side of the sealing element flows downwards into the inner container cavity along the flow passage, and part of water flows into the inner container cavity through the ventilation drain hole.

The household appliance further comprises a support frame, an outer wall is arranged on the outer side of the sealing element, the support frame is riveted with the inner container cavity through TOX during installation, and the lower end of the support frame is pressed on the outer wall of the sealing element.

The sealing structure of the household appliance is adopted, the left side and the right side of the lower end of the inner container cavity are provided with the sealing parts, the sealing parts and the door body form reliable sealing, each sealing part comprises an installation part, a sealing part and a seepage water interception part, the sealing parts are clamped and fixed on the cavity chassis and the cavity middle plate through the installation parts, and the front-back direction, the left-right direction and the up-down direction of the sealing parts are limited through the cavity chassis, the cavity middle plate, the supporting frame and the inner container sealing strip; the permeable water intercepting part comprises a flow passage, a flow hole and a ventilation drain hole, the ventilation drain hole can balance the air pressure between the groove and the outside and can also drain the permeable water in the flow passage, and the flow hole can decompose and discharge the permeable water in the inner container cavity for the second time so as to enable the permeable water to flow into the inner container cavity. The sealing device has the characteristics of simple structure, convenience in installation, strong reliability, strong sealing property, low cost and the like.

Drawings

Fig. 1 is a schematic view of an assembly structure of a household appliance according to an embodiment of the present invention.

Fig. 2 is a schematic view of an assembly structure of the liner cavity, the support frame, the sealing element, the sealing frame and the liner sealing strip according to an embodiment of the present invention.

Fig. 3 is a schematic view of an assembly structure of the liner cavity, the support frame, the sealing element, the sealing frame and the liner sealing strip at another view angle according to an embodiment of the present invention.

Fig. 4 is an exploded structural diagram of the sealing element, the support frame, the liner sealing strip and the liner cavity according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a cavity of an inner container, a chassis of the cavity, a middle plate of the cavity, and a sealing frame according to an embodiment of the utility model.

Fig. 6-10 are schematic views of a sealing member according to an embodiment of the utility model from multiple viewing angles.

FIG. 11 is a cross-sectional view of a chamber chassis and a third recess in accordance with an embodiment of the present invention.

FIG. 12 is a schematic view of an assembly structure of a sealing member and a bottom plate and a middle plate of a chamber according to an embodiment of the present invention.

Fig. 13 is a cross-sectional view taken along line a-a of fig. 12.

Fig. 14 is a schematic view of an assembly structure of a cavity of an inner container, a chassis of the cavity, a middle plate of the cavity, a sealing frame and a sealing member according to an embodiment of the present invention.

Fig. 15 is a schematic view of an assembly structure of a cavity of an inner container, a chassis of the cavity, a middle plate of the cavity, a sealing frame, a sealing member, and a supporting frame according to an embodiment of the present invention.

Fig. 16 is a cross-sectional view of the inner container cavity, the cavity bottom plate, the middle plate of the cavity, the sealing frame, the sealing member and the supporting frame according to an embodiment of the present invention.

Fig. 17 is a top view of the inner container cavity according to an embodiment of the utility model.

Fig. 18 is a sectional view taken along line B-B in fig. 17.

Fig. 19 is a partial view of a door body, a seal member, a seal frame, and a liner seal strip according to an embodiment of the present invention.

Fig. 20 is a sectional view of the door, the sealing member and the inner container according to the embodiment of the present invention.

Fig. 21 is a schematic view of an assembly structure of a cavity bottom plate, a cavity middle plate, a sealing frame, a liner sealing strip and a sealing element according to an embodiment of the present invention.

Fig. 22 is a cross-sectional view taken along line C-C of fig. 21.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 22 is:

1-a liner cavity, 12-a cavity chassis, 12.1-a second flange, 12.2-a first reverse buckle, 12.3-a chassis boss, 13-a cavity middle plate, 13.1-a first flange, 14-a sealing frame, 15-a liner sealing strip, 2-a door body, 3-a sealing element, 31-an installation part, 31.1-a first groove, 31.2-a second groove, 31.3-a third groove, 31.4-a second reverse buckle, 32-a sealing part, 32.1-a sealing boss, 32.2-a sealing convex arm, 33-a seepage water interception part, 33.1-a flow passage, 33.2-a flow hole, 33.3-a ventilation and drainage hole, 34-a bending part, 35-a first convex rib, 36-a second convex rib, 37-a fixed seat, 38-a limit boss, 39-a supporting arm, 310-a buffer and flow interception wall, 311-sunken edge, 312-outer wall.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1 to 22, in one embodiment, a sealing structure of a household appliance is provided, the household appliance includes a liner cavity 1 and a door 2, the liner cavity 1 is provided with an opening 11, the door 2 is used for closing or opening the opening 11, sealing members 3 are arranged on the left and right sides of the lower end of the liner cavity 1, each sealing member 3 includes a mounting portion 31, a sealing portion 32 and a permeable water intercepting portion 33, the liner cavity 1 includes a cavity chassis 12, and the sealing members 3 are fixed on the cavity chassis 12 through the mounting portion 31 in a clamping manner; the door body 2 and the sealing part 32 are matched to form sealing; the water permeated to the outside of the sealing member 3 flows into the liner chamber 1 along the permeated water intercepting part 33.

It should be noted that the household appliance may include, but is not limited to, a dishwasher, an oven, an electric steamer, a refrigerator, a microwave oven, etc., or other household appliances with a door structure; the present embodiment is explained by taking a dishwasher as an example.

The sealing element 3 is a rubber sealing element with shore hardness of about 85 degrees.

Referring to fig. 5, 6 and 14, the inner container cavity 1 further includes a cavity middle plate 13, the cavity middle plate 13 is provided with a first flange 13.1, the mounting portion 31 includes a first groove 31.1, the first groove 31.1 is disposed at the upper end of the sealing member 3, and the cavity middle plate 13 is inserted into the first groove 31.1 through the first flange 13.1; the cavity body chassis 12 is provided with a second flanging 12.1, the mounting part 31 comprises a second groove 31.2, the second groove 31.2 is arranged at the lower end of the sealing element 3, and the cavity body chassis 12 is inserted in the second groove 31.2 through the second flanging 12.1.

Referring to fig. 11, a first reverse buckle 12.2 is arranged on the cavity chassis 12, the mounting portion 31 further includes a third groove 31.3, a second reverse buckle 31.4 is arranged in the third groove 31.3, and the first reverse buckle 12.2 and the second reverse buckle 31.4 are mutually limited and fixed. So that the sealing member 3 is further stably mounted on the chamber chassis 12.

Referring to fig. 7, 8, 9, 13 and 16, the inner container cavity 1 is provided with a sealing frame 14 and an inner container sealing strip 15, the sealing element 3 further comprises a bending part 34, the bending part 34 is arranged at the rear end of the sealing element 3, the bending part 34 is inserted between the sealing frame 14 and the side wall of the inner container cavity 1 during installation, and one end of the inner container sealing strip 15 is clamped between the sealing frame 14 and the bending part 34.

Specifically, the curved portion 34 has an arc shape.

Referring to fig. 18, a first convex rib 35 is arranged on the outer side of the sealing element 3, a second convex rib 36 is arranged on the inner side of the sealing element 3, the first convex rib 35 is attached to the side wall of the liner cavity 1, and the second convex rib 36 is attached to the liner sealing strip 15.

Specifically, the first rib 35 and the sidewall of the liner cavity 1 generate frictional resistance, and the second rib 36 is attached to the liner sealing strip 15, so that the sealing element 3 cannot move back and forth.

Referring to fig. 10 and 21, the lower end of the sealing element 3 is provided with a fixing seat 37 and a limiting boss 38, the cavity chassis 12 is provided with a chassis boss 12.3, the other end of the liner sealing strip 15 is tightly attached to the fixing seat 37, and the limiting boss 38 and the chassis boss 12.3 are in mutual staggered fit connection.

Specifically, the other end of the liner sealing strip 15 is tightly attached to the fixing seat 37, so that the sealing element 3 cannot move up and down, and the limiting boss 38 and the chassis boss 12.3 are in matched connection in a mutually staggered mode, so that the sealing element 3 cannot move forward.

Referring to fig. 7 and 19, the sealing member 3 is provided with a supporting arm 39, a buffer flow blocking wall 310 and a downward-inclined sinking edge 311, a step seam is formed between the sinking edge 311 and the liner sealing strip 15, and water flowing through the step seam is blocked by the buffer flow blocking wall 310 and flows back into the liner cavity 1.

Specifically, the sinking edge 311 has a height difference after being attached to the middle plate 13 of the cavity, a step seam is formed between the sinking edge 311 and the liner sealing strip 15, and water flows through the step seam and can be blocked by the buffer flow blocking wall 310 to flow back into the liner cavity 1.

The support arm 39 is provided on the sealing member 3, increasing the overall strength of the sealing member 3 itself.

Referring to fig. 7, the sealing portion 32 includes a sealing boss 32.1 and a sealing convex arm 32.2, and when the door 2 is closed, the door 2 cooperates with the sealing boss 32.1 and the sealing convex arm 32.2 to form a seal.

Referring to fig. 7, 8 and 10, the permeating water intercepting part 33 includes a flow passage 33.1, a flow hole 33.2 and a ventilation and drainage hole 33.3, and water permeating to the outside of the sealing member 3 flows down along the flow passage 33.1 into the liner cavity 1, wherein a part of the water flows into the liner cavity 1 through the ventilation and drainage hole 33.3.

Specifically, the ventilation and drainage holes 33.3 can balance the air pressure between the groove and the outside, and can also drain the permeated water in the flow passage 33.1, and the flow holes 33.2 can decompose and discharge the permeated water in the liner cavity 1 for the second time so as to make the permeated water flow into the liner cavity 1.

Referring to fig. 3 and 4, the household appliance further includes a support frame 4, an outer wall 312 is disposed on an outer side of the sealing member 3, when the household appliance is installed, the support frame 4 is riveted with the inner container cavity 1 through TOX, and a lower end of the support frame 4 is press-fitted on the outer wall 312 of the sealing member 3.

Specifically, the support frame 4 and the inner container cavity 1 can be well connected and fixed through the TOX riveting, and the structural strength and stability of the support frame 4 and the inner container cavity 1 can be ensured, it can be understood that the assembly mode of the support frame 4 and the inner container cavity 1 can select welding, screw connection or other riveting modes besides the TOX riveting mode, and no limitation is made here.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a domestic appliance's seal structure, domestic appliance includes inner bag cavity (1) and door body (2), and inner bag cavity (1) is equipped with opening (11), and door body (2) are used for closing or opening (11), its characterized in that: sealing elements (3) are arranged on the left side and the right side of the lower end of the liner cavity (1), each sealing element (3) comprises an installation part (31), a sealing part (32) and a permeable water intercepting part (33), the liner cavity (1) comprises a cavity chassis (12), and the sealing elements (3) are clamped and fixed on the cavity chassis (12) through the installation parts (31); the door body (2) and the sealing part (32) are matched to form sealing; the water permeating to the outer side of the sealing piece (3) flows into the inner container cavity (1) along the permeating water intercepting part (33).

2. A sealing structure of a home appliance according to claim 1, wherein: the inner container cavity (1) further comprises a cavity middle plate (13), a first flanging (13.1) is arranged on the cavity middle plate (13), the mounting part (31) comprises a first groove (31.1), the first groove (31.1) is arranged at the upper end of the sealing element (3), and the cavity middle plate (13) is inserted into the first groove (31.1) through the first flanging (13.1); be equipped with second turn-ups (12.1) on cavity chassis (12), installation department (31) include second recess (31.2), second recess (31.2) set up sealing member (3) lower extreme, cavity chassis (12) are passed through second turn-ups (12.1) cartridge is in second recess (31.2).

3. A sealing structure of a home appliance according to claim 2, wherein: be equipped with first back-off (12.2) on cavity chassis (12), installation department (31) still includes third recess (31.3), be equipped with second back-off (31.4) in third recess (31.3), first back-off (12.2) with second back-off (31.4) are spacing fixed each other.

4. A sealing structure of a home appliance according to claim 1, wherein: be equipped with on inner bag cavity (1) sealing frame (14) and inner bag sealing strip (15), sealing member (3) still include flexion (34), flexion (34) set up sealing member (3) rear end, during the installation, flexion (34) cartridge is in sealing frame (14) with between inner bag cavity (1) the lateral wall, inner bag sealing strip (15) one end clamps sealing frame (14) with between flexion (34).

5. Sealing structure of a household appliance according to claim 4, characterized in that: the outside of sealing member (3) is equipped with first protruding muscle (35), the inboard of sealing member (3) is equipped with second protruding muscle (36), first protruding muscle (35) with the lateral wall laminating of inner bag cavity (1), second protruding muscle (36) with the laminating of inner bag sealing strip (15).

6. Sealing structure of a household appliance according to claim 4, characterized in that: the lower extreme of sealing member (3) is equipped with fixing base (37) and spacing boss (38), be equipped with chassis boss (12.3) on cavity chassis (12), the inner bag sealing strip (15) other end hugs closely on fixing base (37), spacing boss (38) with chassis boss (12.3) crisscross cooperation is connected each other.

7. Sealing structure of a household appliance according to claim 4, characterized in that: be equipped with on sealing member (3) support arm (39), buffering and keep off class wall (310) and the limit (311) that sinks of downward sloping, sink limit (311) with form the step seam between inner bag sealing strip (15), the rivers that pass the step seam pass through buffering keeps off class wall (310) and keep off the backward flow and go into in the inner bag cavity (1).

8. A sealing structure of a home appliance according to claim 1, wherein: the sealing part (32) comprises a sealing boss (32.1) and a sealing convex arm (32.2), and when the door body (2) is closed, the door body (2) is matched with the sealing boss (32.1) and the sealing convex arm (32.2) to form sealing.

9. A sealing structure of a home appliance according to claim 1, wherein: the permeating water intercepting part (33) comprises a flow passage (33.1), a flow hole (33.2) and a ventilation and drainage hole (33.3), water permeating to the outer side of the sealing element (3) flows downwards into the liner cavity (1) along the flow passage (33.1), and part of water flows into the liner cavity (1) through the ventilation and drainage hole (33.3).

10. A sealing structure of a home appliance according to claim 1, wherein: the household appliance further comprises a support frame (4), an outer wall (312) is arranged on the outer side of the sealing element (3), the support frame (4) is riveted with the inner container cavity (1) through TOX during installation, and the lower end of the support frame (4) is pressed on the outer wall (312) of the sealing element (3).

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