CN217525038U

CN217525038U - Footing structure and dish washer with same

Info

Publication number: CN217525038U
Application number: CN202220454500.2U
Authority: CN
Inventors: 李鹏斌; 邓志然; 钱志伟; 王凤; 安绍静
Original assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-10-04
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a footing structure and dish washer that has this footing structure, the footing structure includes: mounting holes; a foot having a mounting part matched with the mounting hole and being detachable by an applied pulling force; the sealing ring is arranged on the mounting part in a sealing manner and is arranged on the inner wall of the mounting hole in a sealing manner; after the bottom foot is installed, a sealing cavity capable of preventing the bottom foot from falling off is formed in the space, located on the upper side of the sealing ring, in the installation hole. By arranging the sealing ring, when the bottom foot moves downwards and falls off, the sealing ring can move downwards together, so that the sealing cavity is enlarged, negative pressure is formed in the sealing cavity, the external air gives upward pressure to the bottom foot, and the stress of the bottom foot in the vertical direction is balanced when the upward pressure applied to the bottom foot is the same as the gravity of the bottom foot; the falling off of the bottom feet is prevented under the action of negative pressure in the sealing cavity; the bottom foot can be detached by giving downward force to the bottom foot, so that the detachment operation is facilitated.

Description

Footing structure and dish washer with same

Technical Field

The utility model belongs to the technical field of dish washer, concretely relates to footing structure and dish washer that has this footing structure.

Background

The dish washer is as the kitchen electricity that consumers are more and more favored, and its use occupancy has steadily promoted, and development prospect is good, therefore, the convenience user experience sense that dish washer used receives more and more attention. The whole appearance of dish washer is great, and dish washer's place of use generally is the kitchen, and the kitchen area is less relatively, and to some little kitchens, dish washer area is great, uses to consumer's kitchen and has great influence, if can remove dish washer at will, that will improve user's convenience greatly.

At present, the movable dish washing machine is generally provided with casters, the casters are fixed at the bottom of the dish washing machine by screws, although the connection mode is reliable, a plurality of screws need to be disassembled, and the disassembly operation is very troublesome because the screws are positioned at the bottom of the box body.

In order to improve the loading and unloading efficiency, the truckles are also arranged to be in threaded connection with the base of the dish-washing machine, and the disassembly is realized by rotating the truckles; nevertheless through threaded connection, still need many rings of rotatory truckles when dismantling to the dish washer has four truckles, and four truckles need guarantee the altitude difference, still need set up the limited structure of truckle installation, guarantee the altitude difference after the truckle installation.

Thus, it is desirable to have a more convenient detachable caster, which improves the efficiency of detachment.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model discloses to foretell problem among the prior art, provide a footing structure, prevent through the negative pressure and break away from to dismantle easy operation, be favorable to improving and dismantle efficiency, and the required precision is not high, is favorable to the assurance quality.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a footing structure comprising:

the mounting hole is formed in a base of the equipment;

a foot having a mounting part matched with the mounting hole and being detachable by an applied pulling force;

the sealing ring is arranged on the mounting part in a sealing manner and is sealed with the inner wall of the mounting hole;

after the bottom foot is installed, a sealing cavity capable of preventing the bottom foot from falling off is formed in the space, located on the upper side of the sealing ring, in the installation hole.

In some embodiments of the present application, the mounting hole is of an open-bottom structure.

In some embodiments of the present application, the base is provided with an exhaust hole communicated with the sealed cavity in the mounting hole.

In some embodiments of the present application, a sealing member that opens and closes the air discharge hole is provided at the air discharge hole.

In some embodiments of the present application, the sealing member has a sealing plug located in the vent hole, and a connecting portion connected to the sealing plug, and the connecting portion is fixed to the base.

In some embodiments of the present application, the seal is a ventable one-way valve disposed at the vent.

In some embodiments of the present application, a mounting groove for mounting the seal ring is opened at the mounting portion.

In some embodiments of the present application, a dimension of the fitting groove in a radial direction of the mounting portion is smaller than a dimension of the seal ring in the radial direction of the mounting portion.

In some embodiments of the present application, the seal ring has a fitting portion located within the fitting groove, and a protruding portion protruding outward of the fitting groove.

In some embodiments of the present application, the fitting portion is disposed to match the fitting groove.

In some embodiments of the present application, the fitting portion has an upper end surface and a lower end surface that are radially extended.

In some embodiments of the present application, the outer side of the protrusion is a convex rounded transition surface.

In some embodiments of the present application, the foot further has a support platform extending radially outward along a lower end of the mounting portion, the support platform for supporting the base.

In some embodiments of the present application, the footing also has a runner.

In some embodiments of the present application, the footing further has a connecting portion connecting the runner and the support table, the connecting portion being disposed coaxially with the mounting portion.

Based on foretell footing structure, the utility model also provides a dish washer with above-mentioned footing structure, prevents to break away from through the negative pressure to dismantle easy operation, be favorable to improving and dismantle efficiency, and the required precision is not high, is favorable to the assurance quality.

A dishwasher, which is provided with the bottom foot structure.

Compared with the prior art, the utility model discloses an advantage is with positive effect: by arranging the sealing ring, after the bottom foot is installed, a sealing cavity capable of preventing the bottom foot from falling off is formed in a space, located on the upper side of the sealing ring, in the installation hole; when the bottom foot moves downwards and falls off, the sealing ring moves downwards together, so that the sealing cavity is enlarged, negative pressure is formed in the sealing cavity, the external air gives upward pressure to the bottom foot, and the stress of the bottom foot in the vertical direction is balanced when the upward pressure on the bottom foot is the same as the gravity of the bottom foot; the bottom feet are prevented from falling off under the action of negative pressure in the sealing cavity. The bottom foot can be detached by applying downward force to the bottom foot, so that the detachment operation is facilitated; the bottom foot structure of this application, simple structure, it is not high to the required precision, be favorable to the assurance quality, reduce manufacturing cost.

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

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a footing structure proposed by the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure at the base of the figure;

FIG. 4 is a schematic structural view of the foot of FIG. 1;

fig. 5 is a schematic structural diagram of another embodiment of the bottom foot structure proposed by the present invention;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;

fig. 7 is an enlarged view of the area a in fig. 6.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the direction close to the axis of the mounting portion is "inner", whereas "outer". The terminology is for the purpose of describing the invention only and is not intended to be limiting of the invention since it is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation. 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Example one

Referring to fig. 1-4, the present invention provides an embodiment of a footing structure, which includes: mounting holes 10, feet 20 and sealing rings 30, the mounting holes 10 opening out in the base 100 of the device, the foot structure in this embodiment being provided on the dishwasher.

The foot 20 is provided with a mounting part 21 matched with the mounting hole 10, and the foot 20 can be detached by applying a pulling force; the sealing ring 30 is sleeved on the mounting portion 21 in a sealing manner, and the sealing ring 30 is arranged on the inner wall of the mounting hole 10 in a sealing manner. After the foot 20 is installed, the space in the installation hole 10, which is located on the upper side of the sealing ring 30, forms a sealing cavity 11, and the sealing cavity 11 can prevent the foot from falling off.

By arranging the sealing ring 30, after the bottom foot 20 is installed, the sealing cavity 11 is formed in the installation hole 10, when the bottom foot 20 moves downwards and falls off, the sealing ring 30 can move downwards together, so that the sealing cavity 11 is enlarged, negative pressure is formed in the sealing cavity 11, the external air provides upward pressure to the bottom foot 20, and when the upward pressure applied to the bottom foot 20 is the same as the gravity of the bottom foot, the stress of the bottom foot 20 in the vertical direction is balanced; the falling off of the foot 20 is prevented by the negative pressure in the sealing chamber 11. The foot 20 can be disassembled by applying downward force to the foot 20, so that the disassembling operation is facilitated; the bottom foot structure of the application is simple in structure, low in precision requirement, beneficial to quality guarantee and capable of reducing manufacturing cost.

In some embodiments of the present application, the mounting hole 10 is a downward opening structure, and the mounting portion 21 is mounted into the mounting hole 10 from the downward opening upward; after the sealing ring 30 enters the mounting hole 10, the sealing ring 30 seals against the inner wall of the mounting hole 10, so that the inside of the mounting hole 10 is partitioned into two chambers.

In order to seal the sealing cavity 11 at the upper part of the mounting hole 10 and avoid the over-high pressure in the sealing cavity 11 during the mounting process of the foot 20, the sealing cavity 11 needs to be communicated with the outside for pressure relief. The base 100 is provided with an exhaust hole 101 communicated with the sealed cavity 11 in the mounting hole 10. A sealing member 40 for opening and closing the gas discharge hole 101 is provided in the gas discharge hole 101. By arranging the sealing element 40, when the foot 20 is installed, the sealing element 40 is in an open state, so that the sealing cavity 11 is communicated with the outside, and the air pressure in the sealing cavity 11 is increased; after the foot 20 is installed in place, the sealing element 40 is in a closed state, so that the sealing cavity 11 is not communicated with the outside, and the effect of preventing the foot 20 from falling off is achieved.

Various specific configurations of the sealing member 40 are possible, and in some embodiments of the present application, the sealing member 40 has a sealing plug 41 located in the air vent 101, and a connecting portion 42 connected to the sealing plug 11, and the connecting portion 42 is fixed to the base 100. In a specific implementation, the sealing plug 41 can be opened by a first operation; then, mounting the mounting part sleeved with the sealing element 30 into the mounting hole 10; then the sealing plug 11 is plugged into the exhaust hole 101 to close the exhaust hole 101.

In some embodiments of the present application, the sealing member 40 is a one-way valve that is provided at the exhaust hole 101 and can exhaust air, or a control valve that can control opening and closing.

In order to ensure that the sealing ring 30 is fixedly assembled with the mounting part 21, the sealing ring 30 can move together with the mounting part 21 in the mounting hole 10; when the bottom foot 20 is about to fall off, the volume of the sealing cavity 11 is increased, the pressure is reduced, negative pressure is formed, and the stability of the bottom foot 20 after installation is ensured; and is advantageous in securing the sealing of the sealing member 30 with the mounting portion 21 and the sealing between the sealing ring 30 and the inner wall of the mounting hole 10.

In some embodiments of the present application, a mounting groove 211 for mounting the sealing ring 30 is opened in the mounting portion 21, and the sealing ring 30 is mounted in the mounting groove 211, so that the sealing ring 30 and the mounting portion 21 are fixed in a sealing manner.

The dimension of the fitting groove 211 in the radial direction of the mounting portion 21 is smaller than the dimension of the seal ring 30 in the radial direction of the mounting portion 21, that is, the seal ring 30 has a portion protruding outward of the fitting groove 211 for contact with the inner wall of the mounting hole 10 to effect sealing. The seal ring 30 has a fitting portion 31 located in the fitting groove 211, and a protruding portion 32 protruding outward of the fitting groove 211.

In some embodiments of the present application, the outer side of the protrusion 32 is a convex rounded transition surface. In the process of mounting or dismounting the mounting portion 21, the sealing ring 30 is in sealing contact with the inner wall of the mounting hole 10, so that the sealing ring 30 needs to slide upwards or downwards on the inner wall of the mounting hole 10, and the smooth transition surface is arranged, thereby being beneficial to realizing the relative movement between the sealing ring 30 and the inner wall of the mounting hole 10.

In some embodiments of the present application, the foot 20 further has a support platform 22 extending radially outward along the lower end of the mounting portion 21, the support platform 22 being used to support the base 100; through setting up a supporting bench 22 for the edge contact of a supporting bench 22 and mounting hole 10 plays the effect of supporting base 100, makes the area of contact of a supporting bench 22 and base 100 great, is favorable to guaranteeing the support to base 100.

The foot 20 further has a connecting portion 23 connecting the runner 24 and the support platform 22, the connecting portion 23 being disposed coaxially with the mounting portion 21.

Example two

Referring to fig. 5-7, another embodiment of the present invention is a footing structure, and the main difference between this embodiment and the first embodiment is: the seal ring 30 has a different structure, and the same structure as that of the first embodiment may be adopted.

A footing structure comprising: mounting holes 10, feet 20 and sealing rings 30, the mounting holes 10 opening out in the base 100 of the device, the foot structure in this embodiment being provided on the dishwasher. The foot 20 is provided with a mounting part 21 matched with the mounting hole 10, and the foot 20 can be detached by applying a pulling force; the sealing ring 30 is sleeved on the mounting portion 21 in a sealing manner, and the sealing ring 30 is arranged on the inner wall of the mounting hole 10 in a sealing manner. After the foot 20 is installed, the space in the installation hole 10, which is located on the upper side of the sealing ring 30, forms a sealing cavity 11, and the sealing cavity 11 can prevent the foot from falling off.

By arranging the sealing ring 30, after the bottom foot 20 is installed, the sealing cavity 11 is formed in the installation hole 10, when the bottom foot 20 moves downwards and falls off, the sealing ring 30 moves downwards together, so that the sealing cavity 11 is enlarged, negative pressure is formed in the sealing cavity 11, so that the external air gives upward pressure to the bottom foot 20, and when the upward pressure on the bottom foot 20 is the same as the gravity of the bottom foot, the stress on the bottom foot 20 in the vertical direction is balanced; the falling off of the foot 20 is prevented by the negative pressure in the sealing chamber 11. The foot 20 can be detached by applying a downward force to the foot 20, so that the detachment operation is facilitated; the bottom foot structure of this application, simple structure, it is not high to the required precision, be favorable to the assurance quality, reduce manufacturing cost.

In some embodiments of the present application, the mounting hole 10 is a lower opening structure, and the mounting portion 21 is mounted into the mounting hole 10 from the lower opening upwards; after the sealing ring 30 enters the mounting hole 10, the sealing ring 30 seals against the inner wall of the mounting hole 10, so that the inside of the mounting hole 10 is partitioned into two chambers.

In some embodiments of the present disclosure, the fitting portion 31 is disposed to match with the fitting groove 211, which is beneficial to increase the contact area between the sealing ring 30 and the fitting groove 211, and is beneficial to the stability of the sealing ring 30 after being assembled in the fitting groove 211.

The fitting portion 31 has an upper end surface and a lower end surface extending in the radial direction, which is advantageous for better bearing the friction force given to the seal ring 30 by the inner wall of the mounting hole 10 when the mounting portion 21 is mounted or dismounted.

Foot 20 also has a connecting portion 23 connecting runner 24 and support platform 22, connecting portion 23 being disposed coaxially with mounting portion 21.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A footing structure, comprising:

the mounting hole is formed in the base of the equipment;

a foot having a mounting portion matched with the mounting hole and being detachable by an applied pulling force;

the sealing ring is arranged on the mounting part in a sealing manner and is arranged on the inner wall of the mounting hole in a sealing manner;

2. A footing structure according to claim 1, wherein said base is provided with an air vent communicating with said sealed cavity in said mounting hole.

3. A foot structure according to claim 2, characterized in that a sealing member for opening and closing the exhaust hole is provided at the exhaust hole.

4. A foot arrangement according to claim 3, characterised in that the sealing member has a sealing plug located in the vent hole, a connecting portion being provided in connection with the sealing plug, the connecting portion being secured to the base.

5. A footing structure according to claim 3, wherein said sealing member is a ventable one-way valve provided at said vent hole.

6. A foot structure according to any one of claims 1-5, characterized in that a fitting groove for fitting the seal ring is opened in the mounting portion.

7. A foot structure according to claim 6, characterised in that the sealing ring has a fitting portion located within the fitting groove, a projecting portion projecting outwardly of the fitting groove.

8. A foot arrangement according to claim 7, characterized in that the fitting portion is arranged to match the fitting groove, the fitting portion having an upper end face and a lower end face arranged to extend radially.

9. A foot construction according to claim 7, characterised in that the outer side of said projection is a rounded transition surface which is convex.

10. A dishwasher, characterized by a foot construction according to any one of claims 1 to 9.