CN113137471B - Sealing structure of washing machine tray seat and washing machine with sealing structure - Google Patents
Sealing structure of washing machine tray seat and washing machine with sealing structure Download PDFInfo
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- CN113137471B CN113137471B CN202010064618.XA CN202010064618A CN113137471B CN 113137471 B CN113137471 B CN 113137471B CN 202010064618 A CN202010064618 A CN 202010064618A CN 113137471 B CN113137471 B CN 113137471B
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- 238000007789 sealing Methods 0.000 title claims abstract description 333
- 238000005406 washing Methods 0.000 title claims abstract description 82
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 238000001125 extrusion Methods 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 38
- 238000009434 installation Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 description 23
- 230000009471 action Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a sealing structure of a washing machine tray and a washing machine with the sealing structure, comprising a tray and a hinge installation area arranged on the surface of the tray; the mounting port is arranged in the hinge mounting area; the hinge seat partially penetrates through the mounting opening and extends out of the disc seat; and the sealing gasket at least covers the part of the hinge seat exposed at the hinge installation area and the matching part of the hinge seat and the installation opening, and is used for preventing washing water from entering the inside of the tray seat from the hinge installation area. According to the sealing structure of the washing machine tray seat and the washing machine with the sealing structure, the sealing structure is arranged at the joint of the buckled hinge seat, so that washing water is prevented from entering the inside of the tray seat, the pressing surface and the pressing ribs are arranged on the tray seat, and the step-shaped sealing structure corresponding to the pressing surface and the pressing ribs is arranged on the sealing gasket, so that a plurality of sealing areas are formed, and multiple protection is achieved between the hinge seat and the tray seat.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a sealing structure of a washing machine tray seat and a washing machine with the sealing structure.
Background
The washing machine is a cleaning appliance for washing laundry using an electric power generating mechanical action, and includes pulsator washing machines and drum washing machines. Both pulsator washing machine and drum washing machine have openable and closable covers, and opening the covers can throw clothes into the washing machine, closing the covers, sealing the clothes in the washing machine, and washing. For the impeller or the drum washing machine that open, be provided with the hinge installation region at the dish seat top, and the hinge seat sets up in this hinge installation region generally to because the structure of partly hinge seat for two part casing lock for the part of hinge seat lock has also promoted the possibility that wash water got into the dish seat inside, consequently how to guarantee the leakproofness between hinge seat and the dish seat, increased sealed effect, then become the problem that needs to be solved urgently.
The existing sealing structure is generally only provided with one seal, the sealing efficiency is low, meanwhile, when in pressing, sealing strips are pressed and can be stressed to be released outwards, poor sealing is caused, further, certain sealing structures can be provided with sealing grooves matched with the sealing strips, although the sealing strips are prevented from being released, only one seal is still present, the sealing effect is poor, and the hinge seat is formed by buckling two parts of the shell, joints are formed in the buckled parts of the two shells, so that the sealing effect of the joints cannot be well guaranteed by the existing sealing structure, and the fact that washing water does not flow into the tray seat from the joints cannot be guaranteed.
The chinese patent with application number CN201410604945.4 discloses a hydraulic rotary hinge seat for top cover of pulsator washing machine, which comprises a sleeve, a rotary shaft inserted into the sleeve and a cover body covering the outer side of the sleeve; the rotating shaft is provided with a first blade and a second blade which extend oppositely; the first blade is provided with a first sealing strip, and the second blade is provided with a second sealing strip; the sleeve is sealed and filled with hydraulic oil; the bottom of the sleeve is provided with a circulation groove for hydraulic oil circulation.
Chinese patent application number CN201810730803.0 discloses a cover plate hinge base of washing machine. The technical scheme includes that the device comprises a shell, a fixed wheel and a movable wheel, wherein the fixed wheel and the movable wheel are arranged in the shell, contact surfaces with height differences are formed in the circumferential directions of the fixed wheel and the movable wheel, when the fixed wheel rotates, the contact surfaces slide along the contact surfaces of the movable wheel, so that the movable wheel moves, the fixed wheel rotates in linkage with a rotating shaft which is axially connected to the front end of the shell, and a pressure damping mechanism is arranged between the movable wheel and the bottom of the shell; the pressure damping mechanism comprises a cylinder body and a pressure rod arranged in the cylinder body, wherein the cylinder body is provided with an upper cavity and a lower cavity, an upper piston and a lower piston which are in interference fit with the upper cavity and the lower cavity are respectively arranged on the pressure rod, viscous fluid is filled in the upper cavity, gas is filled in the lower cavity, and the front end of the pressure rod props against the driving wheel.
Although the above prior art proposes an improvement of the sealing structure of the hinge base, the problem that in practical application, only one seal is provided between the hinge base and the tray base, and the sealing at the joint of the hinge base cannot be ensured, which results in poor sealing effect is still not solved.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sealing structure of a washing machine tray seat, which can overcome the problems or at least improve the sealing effect between a hinge seat and the tray seat by arranging a plurality of sealing structures between the hinge seat and the tray seat.
Another object of the present invention is to provide a washing machine having the sealing structure.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: a sealing structure of a washing machine tray comprises
A tray, and a hinge mounting area provided on a surface of the tray;
the mounting port is arranged in the hinge mounting area;
the hinge seat partially penetrates through the mounting opening and extends out of the disc seat;
and the sealing gasket at least covers the part of the hinge seat exposed at the hinge installation area and the matching part of the hinge seat and the installation opening, and is used for preventing washing water from entering the inside of the tray seat from the hinge installation area.
The sealing gasket comprises a first sealing surface which covers the hinge seat at the mounting opening and is exposed at the hinge mounting area;
in one embodiment, the first sealing surface comprises
A horizontal sealing surface covering the hinge seat at the mounting opening and exposed on the surface of the hinge mounting area;
the hinge seat is connected with the horizontal sealing surface, extends out of the side wall of the mounting opening along the hinge seat, and is provided with a side wall sealing surface extending outwards, and the first sealing surface and the second sealing surface which wrap the hinge seat to be exposed in the hinge mounting area are arranged, so that washing water in the hinge mounting area is prevented from entering the inside of the tray seat from the joint of the buckled hinge seat.
Further, the horizontal sealing surface and the side wall sealing surface form an included angle for enabling the side wall sealing surface to be attached to the side wall of the hinge seat;
in one embodiment, the included angle is an obtuse angle.
In one embodiment, the first sealing surface is made of a highly elastic rubber material.
In addition, the sealing gasket comprises a second sealing surface which covers the position of the hinge seat in the mounting opening and matched with the mounting opening;
the second sealing surface is connected with the first sealing surface and extends to one side of the inside of the tray seat.
Further, also comprises
The extrusion structure surrounds the mounting opening and is arranged on one side facing the inside of the tray seat;
the extrusion structure comprises a first extrusion surface which is matched with the second sealing surface and extrudes the second sealing surface to realize sealing.
Further, the tray also comprises an abutting part which surrounds the periphery of the hinge seat arranged in the tray seat and is used for being matched and abutted with the extrusion structure.
Meanwhile, the pressing structure comprises
The second extrusion surface is connected with the first extrusion surface and is arranged corresponding to the abutting part;
the extrusion rib is connected with the second extrusion surface and extends towards one side of the abutting part to be arranged in a protruding mode, specifically, extrusion forces with different degrees are generated on the sealing gasket through the extrusion surface and the extrusion rib, and then the sealing gasket deforms with different degrees, the effect of multiple sealing is achieved, and further, the side wall of the hinge seat and the abutting part of the hinge seat are sealed well through the two different extrusion surfaces, so that washing water is prevented from entering the inside of the disc seat from a joint of the side wall of the buckled hinge seat;
in one embodiment, at least the cooperation of the pressing rib and the sealing gasket is in an arc-shaped structure.
In addition, the gasket includes a third sealing surface and a fourth sealing surface that are connected to each other, provided between the pressing structure and the abutting portion;
the third sealing surface is arranged corresponding to the second extrusion surface;
the fourth sealing surface is arranged corresponding to the extrusion rib;
in one embodiment, the fourth sealing surface protrudes from the sealing plane formed by the third sealing surface, and forms a step-shaped sealing structure surrounding the hinge seat with the third sealing surface, and the step-shaped sealing structure is arranged, so that the sealing gasket is equivalent to two seals, and the deformation of the sealing gasket is matched, so that the effect of multiple sealing is further ensured.
Further, the deformation amount generated by the extrusion rib extruding the third sealing surface is larger than the deformation amount generated by the extrusion rib extruding the fourth sealing surface, and the deformation amount of the sealing gasket in the two sealing areas is different, so that the sealing effect of the sealing gasket in the two sealing areas is different, multiple seals are formed, and the possibility that the sealing gasket is pressed outwards is reduced.
A washing machine comprises the sealing structure of the washing machine tray.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects: according to the sealing structure of the washing machine tray seat, the sealing structure is arranged at the joint of the buckled hinge seat, so that washing water in the hinge installation area is prevented from entering the inside of the tray seat, the pressing surface and the pressing ribs are arranged on the tray seat, and the step-shaped sealing structure corresponding to the pressing surface and the pressing ribs is arranged on the sealing gasket, so that the sealing effect between the hinge seat and the tray seat is improved, multiple protection is achieved for sealing between the hinge seat and the tray seat through the arrangement of the sealing areas, and the sealing effect is enhanced while the sealing gasket is prevented from being forced to deviate.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a first schematic view of a sealing structure of a washing machine tray of the present invention;
FIG. 2 is a second schematic view of a sealing structure of a washing machine tray of the present invention;
FIG. 3 is an enlarged schematic view of a sealing structure A of a washing machine tray of the present invention;
FIG. 4 is a schematic front view of a cross-section of a sealing structure of a washing machine tray of the present invention;
FIG. 5 is an axial cross-sectional schematic view of a washing machine tray of the present invention;
FIG. 6 is an enlarged schematic view of a portion B of the washing machine tray of the present invention;
FIG. 7 is an axial cross-sectional schematic view of a hinge base of the present invention;
FIG. 8 is a schematic view of a gasket of the present invention.
In the figure: 1. a tray seat; 2. a hinge mounting area; 3. a hinge base; 301. a first housing; 302. a second housing; 4. a sealing gasket; 401. a first sealing surface; 402. a second sealing surface; 403. a third sealing surface; 404. a fourth sealing surface; 5. a first pressing surface; 6. a second pressing surface; 7. extruding the ribs; 8. and an abutting portion.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a first schematic view of a sealing structure of a tray 1 of a washing machine according to the present invention, mainly for showing the positional relationship between the tray 1 and a hinge base 3, and as can be seen from fig. 1, two hinge bases 3 are provided at a position of the top of the tray 1 near one side of the rear wall, in use, after the top of the tray 1 often has a splash of washing water or a door body is opened, steam in the door body is condensed to form water droplets to stay in a hinge installation area 2 where the hinge bases 3 are located, although drain holes are provided in the hinge installation area 2, a large amount of washing water may suddenly enter the hinge installation area 2 above the tray 1, when the drain holes are blocked or other conditions inconvenient for rapid drainage occur, the washing water may remain in the hinge installation area 2, and the hinge bases 3 are soaked for a long time, it will flow into the interior of the tray 1 along the gap between the hinge base 3 and the tray 1, so as to pollute the tray 1, and as can be seen from fig. 1, the hinge base 3 includes a first shell 301 and a second shell 302, many existing hinge bases 3 are also formed by buckling the shells, in fig. 1, after the hinge base 3 is buckled by the first shell 301 and the second shell 302, a seam is formed, in case that the sealing effect at the seam is poor, water drops formed by condensation of washing water or steam will flow into the interior of the hinge base 3 and the tray 1 from the seam, so as to pollute, further, while the conventional sealing between the hinge base 3 and the tray 1 is generally planar, such sealing effect is poor, and when the hinge base 3 is extruded by the tray 1, the sealing structure is easy to fall out, the invention is developed based on the problem of sealing failure between the hinge base 3 and the tray base 1, and by arranging the sealing structure on the surface of the hinge base 3 exposed in the hinge installation area 2, the situation that when the washing water remains in the hinge installation area 2, the washing water flows into the hinge base 3 or the inner wall of the tray base 1 from the joint of the hinge base 3 exposed in the hinge installation area 2, thereby causing pollution is avoided.
Fig. 2 to 4 are a second schematic diagram, an enlarged a part schematic diagram and a cross-sectional front view of the sealing structure of the tray seat 1 of the washing machine according to the present invention, mainly showing the matching relationship between the tray seat 1 and the hinge seat 3, and fig. 3 is an enlarged a part schematic diagram of fig. 2, it can be seen from fig. 3 that a sealing structure is formed between the tray seat 1 and the hinge seat 3, a pressing structure is disposed at a contact portion between the tray seat 1 and the hinge seat 3, the pressing structure surrounds the mounting opening and is disposed at one side facing the inside of the tray seat 1, an abutting portion 8 is disposed on the hinge seat 3 corresponding to the pressing structure, a sealing gasket 4 is disposed between the pressing structure and the abutting portion 8, the pressing structure presses the sealing gasket 4, and under the combined action of the abutting portion 8, the sealing gasket 4 deforms to realize the sealing between the tray seat 1 and the hinge seat 3; in the present invention, the improvement of the gasket 4 and the pressing portion realizes multiple sealing and the prevention of the gasket 4 from coming off.
Further, in order to facilitate observation of the sealing structure between the tray seat 1 and the hinge seat 3, as shown in fig. 4, as can be seen from the schematic view of the enlarged portion in fig. 4, the sealing gasket 4 is deformed by the extrusion structure, and in fig. 4, in order to facilitate observation, a cross section portion is provided, which is the deformation generated by the extrusion structure extruding the abutting portion 8, specifically, the sealing gasket 4 is provided in a step shape, so that the condition that the sealing effect is poor when the sealing gasket 4 is extruded by the extrusion structure of the tray seat 1 is avoided, and the sealing effect is ensured by the multi-layer sealing.
Further, as can be seen from fig. 4, the pressing structure presses the abutting portion 8 to form a plurality of sealing areas, namely a first area 9, a second area 10, a third area 11 and a fourth area 12, wherein the deformation amount of the sealing gasket 4 in the first area 9 is larger than the deformation amount of the sealing gasket 4 in the second area 10, so that when the sealing gasket 4 is pressed by the pressing structure, the situation that the sealing gasket 4 is separated is avoided, the pressing force applied to the sealing gasket 4 is tight and loose, the sealing gasket 4 forms a trend of being folded towards the side wall of the hinge seat 3, and further, the third area 11 covers the joint where the first shell 301 and the second shell 302 are buckled, so that water drops formed by condensation of washing water or steam are prevented from flowing into the inside of the hinge seat 3 and the disc seat 1 from the joint, and pollution is caused; meanwhile, a fourth area 12 is further arranged between the first area 9 and the second area 10, the fourth area 12 is a hollow sealing area with at least part of air, and when the first area 9 or the second area 10 fails, the fourth area 12 can form a buffer zone to prevent washing water from directly flowing into the inner wall of the tray seat 1.
Fig. 5 and 6 are schematic axial cross-sectional views and enlarged schematic B-section views of the tray 1 of the washing machine according to the present invention, mainly used for showing the extrusion structure inside the tray 1, and fig. 6 is an enlarged schematic B-section view of fig. 5, where, as can be seen from fig. 6, the extrusion structure includes a first extrusion surface 5, a second extrusion surface 6, and extrusion ribs 7, the extrusion ribs 7 protrude from the second extrusion surface 6 and extend toward one side of the gasket 4, and under the action of the extrusion ribs 7 and the second extrusion surface 6, the gasket 4 forms a condition of external tightening and internal loosening, so that a condition of sealing failure between the tray 1 and the hinge 3 caused by the separation of the gasket 4 under the extrusion action of the extrusion structure is avoided; further, the first pressing surface 5 cooperates with the sealing pad 4 near the side wall of the hinge base 3, so as to ensure the sealing of the buckling joint of the hinge base 3.
Fig. 7 and 8 are schematic axial side sectional views of the hinge base 3 and schematic views of the gasket 4, mainly used for showing the structure of the abutting portion 8 and the gasket 4, and as can be seen from fig. 7 and 8, the gasket 4 includes four components, namely, a first sealing surface 401, a second sealing surface 402, a third sealing surface 403 and a fourth sealing surface 404, wherein the first sealing surface 401 covers the surface of the hinge base 3 exposed at the hinge mounting area 2, and the first sealing surface 401 includes a horizontal sealing surface and a side wall sealing surface, so that not only wrapping the hinge base 3 at the mounting opening, but also the side wall exposed at the hinge mounting area 2, which is connected with the surface, seals, thereby avoiding the pollution caused by that the excessive washing water in the hinge mounting area 2 enters the inside of the hinge base 3 from the side wall seam exposed at the inner surface of the hinge base 3 when the storage reaches a certain depth.
Further, the second sealing surface 402 is connected to the first sealing surface 401, extends toward the inner side of the tray 1, and is disposed around the hinge base 3; the third sealing surface 403 is connected to the second sealing surface 402 and extends toward a side far away from the hinge base 3, where the far away direction refers to a direction matching with the gasket 4 of the hinge base 3, and a horizontal direction is preferably applied in the art, and in application, the third sealing surface may be adjusted according to actual needs; the fourth sealing surface 404 is disposed on the third sealing surface 403, protrudes from the third sealing surface 403, forms a stepped sealing structure with the third sealing surface 403, and is connected to the second sealing surface 402, where the stepped sealing structure is disposed around the hinge base 3.
The first sealing surface 401, the second sealing surface 402, the third sealing surface 403 and the fourth sealing surface 404 form a sealing structure wrapping the outside of the hinge seat 3 and the joint when the hinge seat 3 is buckled, and the surface of the hinge seat 3 exposed to the hinge mounting area 2 is also sealed, so that water drops after condensation of washing water or steam are avoided, and the water drops flow into the hinge seat 3 and the disc seat 1 from the joint, thereby causing pollution.
In general, the sealing structure of the washing machine tray 1 of the invention prevents washing water in the hinge installation area 2 from entering the tray 1 by arranging the sealing structure at the joint of the buckled hinge seat 3, and enhances the sealing effect between the hinge seat 3 and the tray 1 by arranging the extrusion surface and the extrusion rib 7 on the tray 1 and the step-shaped sealing structure corresponding to the extrusion surface and the extrusion rib 7 on the sealing gasket 4, thereby ensuring that the sealing between the hinge seat 3 and the tray 1 is protected multiply by arranging a plurality of sealing areas, and enhancing the sealing effect while avoiding the stress release of the sealing gasket 4.
As applied to specific embodiments, as described below.
In one embodiment, as shown in fig. 1 to 8, a sealing structure of a tray 1 of a washing machine according to this embodiment includes a tray 1, and a hinge mounting area 2 provided on a surface of the tray 1; a mounting opening provided in the hinge mounting area 2; a hinge base 3 partially penetrating through the mounting opening and extending out of the tray base 1; and a sealing gasket 4 covering at least the part of the hinge base 3 exposed at the hinge mounting area 2 and the matching part of the hinge base 3 and the mounting opening, for preventing the washing water from entering the inside of the tray base 1 from the hinge mounting area 2.
As shown in fig. 7 and 8, the gasket 4 includes four components, namely a first sealing surface 401, a second sealing surface 402, a third sealing surface 403 and a fourth sealing surface 404, where the first sealing surface 401 covers the surface of the hinge base 3 exposed at the hinge mounting area 2, and the first sealing surface 401 includes a horizontal sealing surface and a side wall sealing surface, so that not only is the surface of the hinge base 3 exposed at the mounting opening, but also the side wall of the hinge base 3 connected with the surface exposed in the hinge mounting area 2 is sealed, thereby avoiding the situation that the side wall seam exposed from the hinge base 3 to the inner surface of the hinge mounting area 2 enters the inside of the hinge base 3 to cause pollution when the storage reaches a certain depth.
Further, the second sealing surface 402 is connected to the first sealing surface 401, extends toward the inner side of the tray 1, and surrounds the portion of the hinge base 3 that mates with the mounting opening; the third sealing surface 403 is connected to the second sealing surface 402 and extends toward a side away from the hinge base 3; the fourth sealing surface 404 is disposed on the third sealing surface 403, protrudes from the third sealing surface 403, forms a stepped sealing structure with the third sealing surface 403, and is connected to the second sealing surface 402, where the stepped sealing structure is disposed around the hinge base 3.
Specifically, the gasket 4 includes a first sealing surface 401 provided on the surface of the hinge base 3 in the hinge mounting area 2, and covering at least the fastening portion between the first housing 301 and the second housing 302; the first sealing surface 401 comprises a horizontal sealing surface which covers the hinge base 3 at the mounting opening and is exposed on the surface of the hinge mounting area 2; a side wall sealing surface connected with the horizontal sealing surface and extending upwards along the side wall of the hinge base 3; the horizontal sealing surface and the side wall sealing surface are formed in the hinge installation area 2, so that water is prevented from entering the sealing structure inside the tray seat 1 from the buckling position of the first shell 301 and the second shell 302, and the first sealing surface 401 and the second sealing surface 402 which wrap the hinge seat 3 and are exposed in the hinge installation area 2 are arranged, so that washing water in the hinge installation area 2 is prevented from entering the tray seat 1 from the buckling joint of the hinge seat 3.
Further, the sealing gasket 4 further comprises a second sealing surface 402 connected with the first sealing surface 401 and surrounding the matching part of the hinge base 3 and the mounting opening; the second sealing surface 402 is disposed towards one side of the inside of the tray 1 and is sandwiched between the hinge base 3 and the tray 1, and the tray 1 is matched with a side wall of the hinge base 3, and is used for extruding the second sealing surface 402 to realize a first extrusion surface 5 for sealing the tray 1 and the hinge base 3.
Further, the gasket 4 further includes a third sealing surface 403 connected to the second sealing surface 402 and extending toward a side away from the hinge base 3; the hinge base 3 includes an abutment 8 provided corresponding to the third sealing surface 403; the tray 1 is provided with a second extrusion surface 6 which is connected with the first extrusion surface 5 and is arranged corresponding to the abutting part 8; the third sealing surface 403 is sandwiched between the abutting portion 8 and the second pressing surface 6.
Further, the third sealing surface 403 is provided with a fourth sealing surface 404 connected to the second sealing surface 402 and surrounding the hinge base 3; the fourth sealing surface 404 protrudes from the sealing plane formed by the third sealing surface 403, and forms a step-shaped sealing structure surrounding the hinge seat 3 with the third sealing surface 403, and the step-shaped sealing structure is arranged, so that the sealing gasket 4 is equivalent to two seals, and the deformation of the sealing gasket 4 is matched, so that the effect of multiple seals is further ensured.
The first sealing surface 401, the second sealing surface 402, the third sealing surface 403 and the fourth sealing surface 404 form a sealing structure wrapping the outside of the hinge seat 3 and the joint when the hinge seat 3 is buckled, and the surface of the hinge seat 3 exposed to the hinge mounting area 2 is also sealed, so that water drops after condensation of washing water or steam are avoided, and the water drops flow into the hinge seat 3 and the disc seat 1 from the joint, thereby causing pollution.
In one embodiment, as shown in fig. 7 to 8, the embodiment is a sealing structure of a washing machine tray 1, a tray 1, and a hinge mounting area 2 provided on a surface of the tray 1; a mounting opening provided in the hinge mounting area 2; a hinge base 3 partially penetrating through the mounting opening and extending out of the tray base 1; and a sealing gasket 4 covering at least the part of the hinge base 3 exposed at the hinge mounting area 2 and the matching part of the hinge base 3 and the mounting opening, for preventing the washing water from entering the inside of the tray base 1 from the hinge mounting area 2.
Wherein the sealing gasket 4 comprises a first sealing surface 401 which is arranged on the surface of the hinge seat 3 in the hinge installation area 2 and at least covers the first shell 301 and the second shell 302 and is exposed at the buckling position of the hinge installation area 2; the first sealing surface 401 comprises a horizontal sealing surface which covers the hinge base 3 at the mounting opening and is exposed on the surface of the hinge mounting area 2; a side wall sealing surface which is connected with the horizontal sealing surface and extends outwards along the side wall of the hinge seat 3 extending out of the mounting opening; the horizontal sealing surface and the side wall sealing surface are formed in the hinge installation area 2, so that water is prevented from entering the sealing structure inside the tray seat 1 from the buckling position of the first shell 301 and the second shell 302, and the first sealing surface 401 and the second sealing surface 402 which wrap the hinge seat 3 and are exposed in the hinge installation area 2 are arranged, so that washing water in the hinge installation area 2 is prevented from entering the tray seat 1 from the buckling joint of the hinge seat 3.
Further, the horizontal sealing surface and the side wall sealing surface form an included angle for enabling the side wall sealing surface to be attached to the side wall of the hinge base 3; preferably, the included angle is an obtuse angle.
Further, the first sealing surface 401 is made of a high-elasticity rubber material, and the high-elasticity material ensures that the horizontal sealing surface and the side wall sealing surface of the first sealing surface 401 form a sealing structure which tightly wraps the hinge base 3 at the mounting opening and is exposed on the surface of the hinge mounting area 2.
In a specific embodiment, as shown in fig. 2 to 6, the sealing structure of the tray 1 of the washing machine according to this embodiment further includes a pressing rib 7 connected to the second pressing surface 6 and disposed from far to near with respect to the hinge base 3; the extrusion muscle 7 orientation sealing pad 4 one side direction is protruding, specifically, through setting up extrusion face and extrusion muscle 7, is right sealing pad 4 produces the extrusion force of different degree, and then makes sealing pad 4 produce the deformation of different degree, reaches multiple sealed effect, and further, through setting up two different extrusion faces for the lateral wall of hinge seat 3 and hinge seat 3 butt portion 8 all obtains fine sealedly, has avoided the washing water from the seam of the hinge seat 3 lateral wall of lock, gets into the inside of dish seat 1.
Further, the deformation amount generated by the extrusion rib 7 extruding the third sealing surface 403 is larger than the deformation amount generated by the extrusion rib 6 extruding the fourth sealing surface 404, and the deformation amount of the sealing gasket 4 in the two sealing areas is different, so that the sealing effect of the sealing gasket 4 in the two sealing areas is different, multiple seals are formed, and the possibility that the sealing gasket 4 is pressed outwards is reduced.
In a specific embodiment, as shown in fig. 2 to 4, in the sealing structure of the tray 1 of the washing machine according to the present invention, a sealing structure is formed between the tray 1 and the hinge base 3, an extrusion structure is disposed at a contact portion between the tray 1 and the hinge base 3, the extrusion structure surrounds the mounting opening and is disposed at a side facing the inside of the tray 1, the hinge base 3 is provided with the abutting portion 8 corresponding to the extrusion structure, a sealing gasket 4 is disposed between the extrusion structure and the abutting portion 8, the extrusion structure extrudes the sealing gasket 4, and under the combined action of the abutting portion 8, the sealing gasket 4 deforms to realize the sealing between the tray 1 and the hinge base 3.
Further, in order to facilitate observation of the sealing structure between the disc seat 1 and the hinge seat 3, as shown in fig. 4, as seen from the schematic view of the enlarged portion in fig. 4, the sealing gasket 4 is deformed by the pressing structure, the deformation of the abutting portion 8 by the pressing structure is formed by the cross section portion in fig. 4, specifically, the sealing gasket 4 is arranged in a step shape, so that the situation that the sealing effect is poor when the sealing gasket 4 is pressed by the pressing structure of the disc seat 1 is avoided, the sealing effect is ensured by the multi-layer sealing, as seen in fig. 4, the pressing structure presses the abutting portion 8 to form a plurality of sealing areas, namely, a first area 9, a second area 10, a third area 11 and a fourth area 12, wherein the deformation amount of the sealing gasket 4 in the first area 9 is larger than the deformation amount of the sealing gasket 4 in the second area 10, the sealing gasket 4 is prevented from being pressed by the pressing structure, water drops are prevented from flowing into the sealing gasket 4, the sealing gasket is prevented from being covered by the second area 1, and the water drops are prevented from being further leaked into the sealing gasket 1, and the sealing gasket 1 is prevented from being further sealed by the sealing gasket 1, and the sealing gasket is prevented from being further sealed by the sealing gasket 1, and the sealing seat is further from being covered by the sealing seat, and the sealing seat 1; meanwhile, a fourth area 12 is further arranged between the first area 9 and the second area 10, the fourth area 12 is a hollow sealing area with at least part of air, and when the first area 9 or the second area 10 fails, the fourth area 12 can form a buffer zone to prevent washing water from directly flowing into the inner wall of the tray seat 1.
In a specific embodiment, at least the cross section of the mating portion of the pressing rib 7 and the sealing gasket 4 is arc-shaped, and the pressing rib 7 shown in fig. 6 is in a planar structure, and in practical application, may be configured as an arc-shaped surface to enhance the sealing effect.
In a specific embodiment, the cross section of the matching part of the extrusion rib 7 and the sealing gasket 4 is at least two adjacent arc-shaped cross sections, and at least two arc-shaped cross sections are arranged, so that multiple sealing effects can be generated when the extrusion rib 7 is matched with the sealing gasket 4, the sealing between the tray seat 1 and the hinge seat 3 is ensured, and washing water is prevented from entering the tray seat 1; further, the radius of the arc-shaped section on the side far away from the hinge base 3 is larger than or equal to the radius of the arc-shaped section on the side close to the hinge base 3.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (13)
1. A sealing structure of a washing machine tray seat is characterized in that: comprising
A tray (1), and a hinge mounting area (2) provided on a surface of the tray (1);
the mounting port is arranged in the hinge mounting area (2);
the hinge seat (3) partially penetrates through the mounting opening and extends out of the disc seat (1);
a gasket (4) covering at least a portion of the hinge base (3) exposed at the hinge mounting area (2), and a mating portion of the hinge base (3) and the mounting opening;
the sealing gasket (4) comprises a first sealing surface (401) which covers the hinge seat (3) at the mounting opening and is exposed at the position of the hinge mounting area (2); the first sealing surface (401) comprises,
a horizontal sealing surface covering the hinge seat (3) at the mounting opening and exposed on the surface of the hinge mounting area (2);
and the side wall sealing surface is connected with the horizontal sealing surface, extends out of the side wall of the mounting opening along the hinge seat (3).
2. The sealing structure of a washing machine tray according to claim 1, wherein:
the horizontal sealing surface and the side wall sealing surface form an included angle for enabling the side wall sealing surface to be attached to the side wall of the hinge seat (3).
3. A sealing structure of a washing machine tray according to claim 2, wherein: the included angle is an obtuse angle.
4. A sealing structure of a washing machine tray according to claim 2, wherein: the first sealing surface (401) is made of a high-elasticity rubber material.
5. A sealing structure of a washing machine tray according to any one of claims 1 to 4, wherein:
the sealing gasket (4) comprises a second sealing surface (402) covering the position of the hinge seat (3) in the mounting opening and matched with the mounting opening;
the second sealing surface (402) is connected with the first sealing surface (401) and extends to one side inside the tray seat (1).
6. The sealing structure of a washing machine tray according to claim 5, wherein: and also comprises
The extrusion structure surrounds the mounting opening and is arranged on one side facing the inside of the tray seat (1);
the pressing structure comprises a first pressing surface (5) which is matched with the second sealing surface (402) and presses the second sealing surface (402) to realize sealing.
7. The sealing structure of a washing machine tray according to claim 6, wherein: the device also comprises an abutting part (8) which is arranged around the periphery of the hinge seat (3) in the disc seat (1) and is used for being matched and abutted with the extrusion structure.
8. The sealing structure of a washing machine tray according to claim 7, wherein:
the extrusion structure comprises
A second pressing surface (6) which is connected to the first pressing surface (5) and is provided in correspondence with the abutting portion (8);
and the extrusion rib (7) is connected with the second extrusion surface (6) and extends towards one side of the abutting part (8) to be arranged in a protruding mode.
9. The sealing structure of a washing machine tray according to claim 8, wherein: at least the matching part of the extrusion rib (7) and the sealing gasket (4) is of an arc-shaped structure.
10. The sealing structure of a washing machine tray according to claim 8, wherein:
the gasket (4) comprises a third sealing surface (403) and a fourth sealing surface (404) which are arranged between the pressing structure and the abutting part (8) and are connected with each other;
the third sealing surface (403) is arranged corresponding to the second extrusion surface (6);
the fourth sealing surface (404) is arranged corresponding to the extrusion rib (7).
11. The sealing structure of a washing machine tray according to claim 10, wherein: the fourth sealing surface (404) protrudes out of the sealing plane formed by the third sealing surface (403) and forms a step-shaped sealing structure with the third sealing surface (403) which is arranged around the hinge seat (3).
12. The sealing structure of a washing machine tray according to claim 10, wherein: the deformation amount generated by the extrusion rib (7) extruding the third sealing surface (403) is larger than the deformation amount generated by the extrusion rib (6) extruding the fourth sealing surface (404).
13. A washing machine, characterized in that: a sealing structure comprising a washing machine tray according to any one of claims 1-12.
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|---|---|---|---|
| CN202010064618.XA CN113137471B (en) | 2020-01-20 | 2020-01-20 | Sealing structure of washing machine tray seat and washing machine with sealing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010064618.XA CN113137471B (en) | 2020-01-20 | 2020-01-20 | Sealing structure of washing machine tray seat and washing machine with sealing structure |
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| CN113137471B true CN113137471B (en) | 2024-01-12 |
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| CN113137471A (en) | 2021-07-20 |
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