CN111657819A - Sealing cover of dish-washing machine and dish-washing machine - Google Patents

Abstract

The invention provides a sealing cover of a dish washing machine and the dish washing machine, which are used for sealing an upper opening of an inner container of the dish washing machine. By arranging the flexible connection between the cover body and the frame, namely the non-fixed connection between the cover body and the frame, the cover body and the frame are not directly fixed, but the cover body and the frame are connected through the sealing element, namely the sealing element plays a role of flexible connection, and the cover body and the frame can have slight relative displacement; when spraying the washing, washing liquid sprays the lid of sealed lid on, the lid can reduce power to the frame transmission with power transmission to flexonics department under the impact of rivers, avoids the lid vibration that rivers arouse to the sealed influence of effect of sealing member, and flexonics also plays the absorbing effect simultaneously.

Description

Sealing cover of dish-washing machine and dish-washing machine

Technical Field

The invention belongs to the technical field of dish-washing machines, and particularly relates to a sealing cover of a dish-washing machine and the dish-washing machine with the sealing cover.

Background

With the improvement of living standard, the requirement of consumers on living quality is higher and higher, and the requirements on the quality, the performance, the humanization of use, the intellectualization of operation and the like of products are higher and higher. The dish washer is also gradually brought into the lives of people as an excellent product.

The drawer type dish washer generally comprises a box body and a drawer capable of being pulled, wherein an inner container with an upper opening is arranged on the drawer, and a sealing cover for sealing the upper opening of the inner container is arranged in order to prevent washing water from being sprayed out of the inner container and flowing to an area between the inner container and the box body in the washing process; when the tableware is cleaned, the upper opening of the inner container is sealed by the sealing cover, so that the washing water cannot leak from the inner container.

In the operation process of the drawer type dish washing machine, the sealing cover of the drawer type dish washing machine covers the inner container and is sealed, and meanwhile, after the operation of the drawer type dish washing machine is finished, the sealing cover is separated from the inner container to take and place tableware. The sealing cover is provided with an annular sealing element which is assembled on the sealing cover, but the existing sealing cover is of an assembly and fixed structure, and the inner container and the sealing cover vibrate to a certain extent under the impact of a motor and sprayed water flow in the working process of the dishwasher; in the long-term use process, the sealing effect of the sealing cover is often poor, which easily causes the failure of the dishwasher in the operation process and even causes the failure of the dishwasher.

The existing sealing element and the sealing cover are poor in assembly effect, and the sealing ring has high elasticity, so that when the sealing ring and an embedded groove fixed on the sealing cover are assembled, the length change is difficult to control, local excessive compression or excessive stretching is often caused, the sealing ring is uneven, sealing failure is easy to cause, local accelerated aging of the sealing ring is easy to cause, and meanwhile, the attractiveness of the whole barrel cover is influenced; in order to ensure the embedding quality of the sealing ring, a large amount of working hours are needed, the manufacturing efficiency of the barrel cover is influenced, and the manufacturing cost is greatly improved.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the sealing cover of the dish-washing machine, which increases the sealing performance and improves the sealing performance by the flexible connection between the cover body and the frame.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

the utility model provides a sealed lid of dish washer for the last uncovered of sealed dish washer inner bag, is in including lid, setting the frame and the sealing member in the lid outside, be flexible connection between lid and the frame, the sealing member is connected lid and frame.

Further, the sealing element is provided with a first connecting part fixedly connected with the cover body, a second connecting part fixedly connected with the frame, and a flexible connecting part connecting the first connecting part and the second connecting part.

Further, the flexible connecting part is arranged to incline outwards and upwards or downwards.

Furthermore, a first folding edge which is obliquely arranged is arranged on the outer side of the cover body, and the first connecting part is provided with a first inclined part which is matched and connected with the first folding edge and a first plane part which is bent inwards and extends along the upper end of the first inclined part.

Further, the first plane part is fixedly connected to the lower end face of the cover body.

Furthermore, a second folded edge which is obliquely arranged is arranged on the inner side of the frame, and the second connecting part is provided with a second inclined part which is connected with the second folded edge in a matched manner.

Further, the first inclined part and the second inclined part have the same inclination direction.

Further, the first inclined part and the flexible connecting part are inclined in opposite directions.

Further, an included angle between the first folding edge and the horizontal plane is 45-75 degrees.

Preferably, the included angle between the first folding edge and the horizontal plane is 55-65 degrees.

Furthermore, the sealing element also comprises a sealing part connected with the second connecting part, and the sealing part is provided with an extending part which is bent and extends along the lower end of the second connecting part and a sealing lip which is bent and extends along the lower end of the extending part.

Furthermore, the two ends of the lower end face of the sealing lip are provided with downward convex lips, when the sealing cover is buckled on the inner container of the dish washing machine, the sealing part is deformed, and the lips are attached to the inner container.

Furthermore, the cover body, the frame and the sealing element are fixedly connected through double-color injection molding.

Further, the cover body is fixedly assembled with the sealing element, and the frame is fixedly assembled with the sealing element.

Furthermore, at least one first assembling claw is arranged on the first connecting part, a first through hole matched with the first assembling claw is formed in the cover body, and the first assembling claw is provided with a first rod part located in the first through hole and a first claw part stopped at the end face of the first through hole.

Furthermore, at least one second assembling claw is arranged on the second connecting part, a second through hole matched with the second assembling claw is formed in the frame, and the second assembling claw is provided with a second rod part located in the second through hole and a second claw part stopped at the end face of the second through hole.

Furthermore, the frame comprises a frame body, a second folded edge obliquely arranged along the inner side of the frame body, and an outer flange vertically extending along the outer side of the frame body.

Furthermore, the frame still includes the strengthening rib that follows the up extension of framework upper end sets up, the upper end of strengthening rib with the upper end parallel and level of second hem.

Based on the sealing cover of the dish washing machine, the invention also provides the dish washing machine with the sealing cover, and the sealing performance is improved by the flexible connection between the cover body and the frame.

A dishwasher comprises an inner container and the sealing cover.

According to the sealing cover of the dish washing machine, the cover body and the frame are in flexible connection, namely the cover body and the frame are in non-fixed connection, the cover body and the frame are not directly fixed, but are connected through the sealing element, namely the sealing element plays a role in flexible connection, and the cover body and the frame can slightly displace relative to each other; when spraying the washing, washing liquid sprays the lid of sealed lid on, the lid can reduce power to the frame transmission with power transmission to flexonics department under the impact of rivers, avoids the lid vibration that rivers arouse to the sealed influence of effect of sealing member, and flexonics also plays the absorbing effect simultaneously.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a sealing cover of a dishwasher according to the present invention;

FIG. 2 is an enlarged cross-sectional view of the assembled structure of FIG. 1;

FIG. 3 is an enlarged schematic view of region A in FIG. 2;

FIG. 4 is a schematic view of the sealing cap of FIG. 3;

FIG. 5 is a schematic view of the structure of FIG. 4 with the seal removed;

FIG. 6 is an enlarged schematic view of the seal of FIG. 3;

FIG. 7 is an enlarged view of a portion of the bezel of FIG. 1;

FIG. 8 is a schematic cross-sectional view of a second manner of seal retention;

FIG. 9 is an enlarged schematic view of the liner of FIG. 1;

FIG. 10 is a cross-sectional structural view of FIG. 9;

FIG. 11 is an enlarged view of region C of FIG. 10;

FIG. 12 is an enlarged view of the area D in FIG. 11;

fig. 13 is an enlarged cross-sectional view of the top frame of fig. 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "inside", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the side close to the user in the normal use state of the product is "front", and the side away from the user is "rear". The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 13, which are one embodiment of a sealing cover of a dishwasher according to the present invention, the dishwasher includes a cabinet 1, a liner 2 drawably received in the cabinet 1, and a sealing cover 3 for sealing an upper opening of the liner 2; the sealing cover 3 comprises a cover 31, a frame 32 arranged outside the cover 31, and a sealing member 33, wherein the cover 31 and the frame 32 are flexibly connected, and the sealing member 33 connects the cover 31 and the frame 32. By providing a flexible connection between the cover 31 and the frame 32, that is, a non-fixed connection between the cover 31 and the frame 32, the cover 31 and the frame 33 are not directly fixed, but the cover 31 and the frame 32 are connected by the sealing member 33, that is, the sealing member 33 plays a role of a flexible connection, so that the cover 31 and the frame 32 can have a slight relative displacement; when spraying the washing, washing liquid sprays to the lid 31 of sealed lid 3 on, and lid 31 can reduce the power to the transmission of frame 33 with power transmission to flexible connection department under the impact of rivers, avoids the lid 31 vibration that rivers arouse to the sealed influence of effect of sealing member 33, and flexible connection also plays absorbing effect simultaneously. A sealing part 334 is provided on the outer side of the sealing member 33 to seal the sealing cover 3 and the inner container 2, and the sealing part 334 is located on the side of the frame 33.

In the present embodiment, referring to fig. 3 and 6, the sealing member 33 has a first connecting portion 331 fixedly connected to the cover 31, a second connecting portion 332 fixedly connected to the bezel 32, and a flexible connecting portion 333 connecting the first connecting portion 331 and the second connecting portion 332. The sealing member 33 is provided with a first connecting portion 331, which realizes the fixed connection between the sealing member 33 and the cover 31; a second connecting part 332 is arranged to realize the fixed connection between the sealing element 33 and the frame 32; the first connecting portion 331 and the second connecting portion 332 are arranged at an interval, and are connected via a flexible connecting portion 333, one end of the flexible connecting portion 333 is connected to the first connecting portion 331, and the other end is connected to the second connecting portion 332, so that the flexible connection between the cover 31 and the bezel 32 is realized; the sealing part 334 is connected to the second connection part 332; an included angle is formed between the flexible connecting portion 333 and the first connecting portion 331, and an included angle is formed between the flexible connecting portion 333 and the second connecting portion 332, which is beneficial to improving the structural strength of the flexible connecting portion 333.

As for the specific arrangement of the flexible connecting portion 333, various arrangement manners can be adopted, referring to fig. 6, which is a first arrangement manner, the connecting portion 333 is arranged obliquely outwards and upwards, that is, the vertical section of the flexible connecting portion 333 is an oblique plane, during the spraying and washing operation of the dishwasher, the cover plate 3 has a movement tendency of slightly moving upwards, the flexible connecting portion 333 has a tendency of being compressed and the inclination angle being reduced, so that the oblique arrangement is favorable for increasing the structural strength of the flexible connecting portion 333, and is favorable for increasing the movable range of the cover body 31, and the flexible connecting portion 333 has a tendency of being compressed and is more favorable for prolonging the service life compared with being stretched. In the second arrangement, the connecting portion 333 is inclined outward and downward, and the inclined arrangement is beneficial to increasing the structural strength of the flexible connecting portion 333 and simultaneously beneficial to increasing the movable range of the cover 31. In the third arrangement, the connecting portion 333 is horizontally arranged, during the spraying and washing operation of the dishwasher, the cover plate 3 has a movement tendency of moving slightly upwards, and the flexible connecting portion 333 has a stretching tendency, so as to ensure the flexible connection between the cover plate 31 and the frame 32.

Referring to fig. 5, in order to better realize the connection and fixation of the cover 31 and the first connection portion 331, a first folded edge 311 is obliquely disposed at the outer side of the cover 31, the first connection portion 331 has a first inclined portion 3311 connected to the first folded edge 311 in a matching manner, and a first flat portion 3312 extending along the upper end of the first inclined portion 3311 in an inward bending manner, and the first flat portion 3312 is fixedly connected to the lower end surface of the cover 31. The first folded edge 311 is arranged in an inclined manner, so that the contact area between the first inclined part 3311 and the cover body 31 is increased, and the firmness of fixation is improved; and the first inclined part 3311 is arranged obliquely, and the first plane part 3312 is horizontally arranged, which is beneficial to increasing the structural strength. In this embodiment, the first folded edge 311 is disposed to be inclined outward and downward, and in other embodiments, the first folded edge 311 may be disposed to be inclined outward and upward.

The second folding edge 321 obliquely arranged is arranged on the inner side of the frame 32, the second connecting portion 332 has a second inclined portion 3321 connected with the second folding edge 321 in a matched manner, and the second folding edge 321 obliquely arranged is arranged, so that the contact area between the second inclined portion 3211 and the cover body 31 is increased, and the firmness of fixation is improved. Preferably, the first folding edge 311 and the second folding edge 321 are inclined in the same direction, that is, the first inclined portion 3311 and the second inclined portion 3321 are inclined in the same direction; however, when the flexible connecting portion 333 is inclined, the direction of inclination of the first inclined portion 3311 and the second inclined portion 3321 is opposite to each other, which is advantageous in improving the structural strength and the restoring ability of the packing 33. The included angle between the first folding edge 321 and the horizontal plane is 45-75 degrees; preferably, the included angle between the first folding edge 321 and the horizontal plane is 55-65 degrees; the first and second folded edges 311 and 321 are preferably arranged in parallel.

As shown in fig. 6, the sealing part 334 connected to the second connecting part 332 of the sealing member 33 serves to seal the inner container 2 and the sealing cover 3, and the sealing part 334 includes an extending part 3341 bent and extended along the lower end of the second connecting part 332 and a sealing lip 3342 bent and extended along the lower end of the extending part 3341. The extending part 3341 and the sealing lip 3342 are inclined in opposite directions, the extending part 3341 and the second inclined part 3321 are inclined in the same direction, and the included angle between the extending part 3341 and the horizontal plane is smaller than that between the second inclined part 3321 and the horizontal plane. The extending part and the sealing lip are bent and extended, so that the sealing performance and the deformation resetting capability are improved; after the sealing cover 3 is buckled on the upper opening of the inner container 2, the sealing part 334 is extruded and deformed, the extending part 3341 and the second inclined part 3321 are close to each other and extruded, and the sealing lip 3342 is extruded and attached to the opening end of the inner container 2, so that the sealing performance is ensured.

Referring to fig. 7, lower protruding lip protrusions 33421 are provided at both ends of the lower end surface of the sealing lip 3342, the lip protrusions 33421 have arc-shaped surfaces, the central angle corresponding to the arc of the cross section is greater than 180 °, or the protruding height of the lip protrusion 33421 is greater than the radius thereof; the protruding height of lip protrusion 33421 is large, which is beneficial to increasing the sealing performance of the sealing cover 3 after being buckled by extrusion. When the sealing cover 3 is buckled on the inner container 2 of the dishwasher, the sealing part 334 is deformed, and the lip protrusion 33421 is attached on the inner container 2, thereby ensuring the sealing property.

As for the connection and fixation of the sealing member 3 with the cover 31 and the frame 32, in a first way, referring to fig. 4, the cover 31, the frame 32 and the sealing member 33 are fixedly connected by two-shot injection molding, that is, the cover 31 and the frame 32 are directly connected with the sealing member 33 during injection molding; the first connecting portion 331 is tightly combined with the cover 31, the second connecting portion 332 is tightly combined with the frame 32, and the fixing is firm. In the second mode, as shown in fig. 8, the lid 31 and the seal 33 are fixed to each other, and the bezel 32 and the seal 33 are fixed to each other. The first connecting portion 331 is provided with a first assembling claw 3313, the cover 31 is provided with a first through hole matching with the first assembling claw 3313, and the first assembling claw 3313 has a first rod portion 33131 located in the first through hole and a first claw portion 33132 stopped at an end surface of the first through hole. The first claw portion 33132 is arranged and stopped at the upper end of the end face of the first through hole, so that the stability after the rotation matching is ensured. The second connecting portion 332 is provided with two second assembling claws 3323, the frame 32 is provided with a second through hole matching with the second assembling claws 3323, and the second assembling claws 3323 have a second rod portion 33231 located in the second through hole and a second claw portion 33232 stopped at the end surface of the second through hole.

With respect to the structural arrangement of the frame 32, referring to fig. 9, the frame 32 includes a frame 320, a second folded edge 321 obliquely arranged along the inner side of the frame 320, and an outer blocking edge 322 vertically extending along the outer side of the frame 320, where the outer blocking edge 322 is blocked at the outer side of the inner container 2, so as to increase the positioning of the fastening of the sealing cover 3 and increase the sealing effect. The frame 32 further comprises a reinforcing rib 323 extending upwards along the upper end of the frame body 320, the upper end of the reinforcing rib 323 is flush with the upper end of the second flange 321, and the ratio of the height of the reinforcing rib 323 to the thickness of the frame body 320 is 1.5-2.5; the reinforcing rib 323 is preferably provided with a first reinforcing rib arranged in parallel with the outer flange 322 and a second reinforcing rib arranged perpendicular to the outer flange 322, the inner side of the second reinforcing rib is connected with the second flange 321, and the outer side of the second reinforcing rib is connected with the outer flange 322; by arranging the reinforcing ribs 323, the structural strength of the frame 32 is increased, and the stability is improved.

Referring to fig. 9, the structure of the dishwasher liner 2 includes a liner body 21, and a top frame 22 disposed at an open end of the liner body 21, where the top frame 22 includes a top frame body 221 disposed horizontally, an assembling portion 222 disposed at a lower side of the top frame body 221, and a water retaining edge 223 extending upward along an outer side of the top frame body 221, the assembling portion 222 is assembled with the liner body 21 of the liner 2, and the water retaining edge 223 is greater than a thickness of the top frame body 221, that is, a size of the top frame body 221 in an up-and-down direction. By arranging the water retaining edge 223, when water drops exist on the upper surface of the top frame 22, the rib water drops are prevented from flowing outwards by the water retaining edge 223 arranged on the outer side, so that the water drops are prevented from flowing to the outer side of the inner container 2, and the safety is ensured; the height of the water retaining edge 223 is larger than the thickness of the top frame body 221, so that the arrangement of the height of the water retaining edge 223 is guaranteed, the water retaining effect of the water retaining edge 223 is guaranteed, and the problem that the water retaining edge 223 is too low in height and cannot achieve a good water flow retaining effect is avoided. The arc-shaped transition between the water retaining edge 223 and the upper end face of the top frame 221 is beneficial to the backflow of water drops on the upper end face of the top frame 221, and water accumulation at the connecting part between the water retaining edge 223 and the top frame 221 is avoided.

As shown in fig. 11, the top frame 22 further includes a lower extension portion 224 extending downward along the inner side of the top frame 221, and the lower extension portion 224 has an arc-shaped surface, so as to increase the smoothness of the inner side, improve the aesthetic property, prevent the tableware from being damaged by touch when the tableware is taken and placed, and facilitate the water drops to flow. The lower extension portion 224 is in arc transition with the upper end surface of the top frame body 221, and the lower extension portion 224 is in arc transition with the lower end surface of the top frame body 221.

The top frame 22 further includes a decorative plate 225 extending downward along the outer side of the top frame 221, and the height of the decorative plate 225 is 2 to 4 times the thickness of the top frame 221, preferably 3 times the thickness of the decorative plate 225. Through setting up decorative board 225 for shelter from the assembly gap etc. of courage body 21 and top frame 22, be favorable to increasing the aesthetic property.

Referring to fig. 13, the mounting portion 222 is formed by two mounting plates 2221 extending downward along the lower side of the top frame 221 and having the same height in parallel, and a receiving groove 2222 formed between the two mounting plates 2221, and the upper end of the container body 21 is located in the receiving groove 2222. The height of the assembly plate 2221 is greater than the thickness of the top frame 221, or the vertical dimension of the assembly plate 2221 is greater than the vertical dimension of the top frame 221; the thickness of the top frame 221 is 2 to 3 times the thickness of the assembly plate 2221, or the vertical dimension of the top frame 221 is 2 to 3 times the inner and outer dimension of the assembly plate 2221; the top frame 221 is thicker, so that the structural strength of the top frame 22 is guaranteed, the pressing force of the sealed cover after being buckled is supported, the assembling plate 2221 is thinner, the slight deformation of the assembled and fixed top frame and the container body 21 is facilitated, and the assembling efficiency is improved.

In the present embodiment, referring to fig. 12, the height of the fitting plate 2221 is greater than or equal to the height of the decorative plate 225, and the container body 21 is fitted and fixed to the fitting portion 222; specifically, a bayonet 22211 is formed on the mounting plate 2221 located on the outer side, a downward folded edge 211 is formed at the upper end of the liner body 21, and the end of the folded edge 211 is engaged with the bayonet 22211.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a sealed lid of dish washer for the last uncovered of sealed dish washer inner bag, its characterized in that, be in including lid, setting the frame and the sealing member in the lid outside, be flexible connection between lid and the frame, the sealing member is connected lid and frame.

2. The seal of claim 1 wherein the seal member has a first connection portion fixedly connected to the cover, a second connection portion fixedly connected to the bezel, and a flexible connection portion connecting the first and second connection portions.

3. The seal of claim 2 wherein the flexible connection is angled outwardly and upwardly or outwardly and downwardly.

4. The sealing cover of claim 1, wherein a first flange is provided at an outer side of the cover body, and the first connecting portion has a first inclined portion connected to the first flange in a mating manner and a first flat portion extending along an upper end of the first inclined portion and bent inward.

5. The sealing cover of claim 4 wherein a second angled edge is provided on the inside of the rim, and the second connecting portion has a second angled portion that mates with the second angled edge.

6. The seal of claim 5 wherein the first and second inclined portions have the same direction of inclination and the first and second inclined portions have the same direction of inclination.

7. The seal of claim 2 further comprising a sealing portion connected to the second connecting portion, the sealing portion having an extension extending along a lower end bend of the second connecting portion and a sealing lip extending along a lower end bend of the extension.

8. The sealing cover according to claim 7, wherein lower protruding lips are provided at both ends of a lower end surface of the sealing lip, and when the sealing cover is fastened to a dishwasher inner container, the sealing portion is deformed, and the lips are attached to the inner container.

9. The seal cover according to claim 2, wherein the cover body is fixedly assembled with the seal member, the first connecting portion is provided with at least one first assembling claw, the cover body is provided with a first through hole matched with the first assembling claw, and the first assembling claw has a first rod portion located in the first through hole and a first claw portion stopped at an end surface of the first through hole.

10. A dishwasher, comprising a tub and a sealing lid as claimed in any one of claims 1 to 9.

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