CN220675949U - Dish washer shelf structure and dish washer - Google Patents

Abstract

The utility model discloses a shelf structure of a dish washer and the dish washer, wherein the shelf structure comprises a shelf body, a water guide pipe is arranged at the bottom of the shelf body, and two ends of the water guide pipe are respectively connected with a water supply structure and a spray arm of the dish washer; the top surface of the spray arm is provided with spray holes, and water sprayed by the spray holes sprays and washes tableware placed on the cover shelf body; the residual water draining device is arranged at the bottom of the inner cavity of the spray arm and used for draining residual water in the inner cavity of the spray arm. Through setting up the residual water drainage device in spray arm bottom, guide the outside emission of residual water of spray arm inner chamber, and then reach the apparent technological progress that does not influence spray arm inner chamber rivers pressure and still can drain residual water.

Description

Dish washer shelf structure and dish washer

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a dish washer, in particular to a shelf structure of the dish washer, wherein the shelf structure is provided with a spray arm residual water draining device.

Background

Currently, with the improvement of economic level and life quality, dish washers are increasingly used by families as equipment of automatic cleaning tools and cookers. The existing dish washer mainly comprises a shell, an inner container, a shelf and a cleaning assembly, wherein the shelf is used for containing tableware, cookware and kitchen utensils to wait for washing articles, and the cleaning assembly is used for spraying water to the articles to be washed placed on the shelf so as to achieve the effect of automatically cleaning the articles to be washed placed on the shelf.

The spray assembly on the existing dish-washing machine is generally of a spray arm structure, the spray arm structure is arranged in the inner container of the dish-washing machine, and when the dish-washing machine works, the spray arm rotates upwards and sprays water so as to achieve the effect of spraying and washing the shelf placed in the upper-lower direction and the articles to be washed placed on the shelf.

However, in order to drain the residual water in the inner cavity of the spray arm, a through hole is usually formed in the bottom of the inner cavity of the spray arm for naturally draining the residual water, but the water flow pressure in the inner cavity of the spray arm is affected to a certain extent, if the residual water is not drained, bacteria breeding is caused by the residual water in the inner cavity of the spray arm, and the cleaning requirement of a user on the object to be washed cannot be met.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a shelf structure of a dish washing machine and the dish washing machine so as to realize the purpose of preventing residual water from remaining in a spray arm.

In order to achieve the above object, the present utility model adopts the following specific structure:

a shelf structure of dish washer comprises a shelf body with space for placing tableware; the water guide pipe is arranged at the bottom of the shelf; the spray arm is arranged at the top end of the water guide pipe, a spray hole is arranged on the spray arm, and water sprayed by the spray hole cleans the objects to be washed on the covered shelf; the spray arm residual water draining device is arranged above a residual water discharging port arranged in the middle of the lower cover and used for shielding and sealing the residual water discharging port after the spray arm works and ends.

Further, the residual water draining device of the spray arm comprises a sealing gasket which is detachably and movably arranged on the mounting column and is arranged above the residual water draining port in the middle of the lower cover.

Further, the first clamping column and the second clamping column of the mounting column are symmetrically arranged at intervals on the side of the residual water discharge port in the middle of the lower cover, extend along the bottom of the inner wall of the lower cover in the upward vertical direction, and are provided with clamping protrusions which are bent in opposite directions and are arranged downwards freely.

Further, the sealing gasket tail is provided with two symmetrically arranged square mounting holes, and the vertical positions of the inner side walls of the two sides of the square mounting holes are slightly larger than the outer side walls of the two sides of the first clamping column and the second clamping column and smaller than the convex inner side walls of the two sides.

Further, the top end of the sealing gasket is arranged in an arc shape, and an arc-shaped sealing plug extending vertically downwards is arranged in the middle of the bottom surface of the top end.

Further, a water accumulation groove which is arranged in the middle of the top surface of the top end of the sealing gasket and is recessed downwards is arranged corresponding to the sealing plug.

Further, when the sealing gasket is in a natural state, the sealing gasket is arranged at intervals with the residual water discharge port.

Further, when the sealing gasket is in a working state, the sealing gasket is in sealing connection with the residual water discharge port; preferably, the root of the sealing plug can be provided with a water leakage preventing rubber ring, so that the effect of sealing the residual water discharge port is further enhanced.

Further, the shelf body is a grid structure formed by the interval arrangement of transverse and vertical bars; the shelf body is in a square groove structure; the center bottom of square body is equipped with the spray arm, and the lower cover middle part of spray arm is equipped with the residual water and arranges the clean device for to the residual water of spray arm intracavity.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:

1. through setting up the residual water drainage device of spray arm in the residual water discharge port top of lower cover, control the closure of residual water discharge port, and then realized the spray arm and to the different state demands of residual water discharge port open and shut the state at different operating conditions, reached the during operation and not influenced spray arm inner chamber water pressure, carry out the showing technological progress of leading row to the residual water in the spray arm inner chamber at the end.

2. Especially, with the adoption of the structure, the problems that the working water pressure of the spray arm is influenced by arranging the residual water discharge port on the spray arm, the effect is influenced, and certain unnecessary resource waste is caused are solved.

3. The residual water draining device of the spray arm can solve the problems that residual water in the spray arm is easy to breed bacteria for a long time, and the water pressure is easy to influence by the water discharge port to influence the washing effect and cause unnecessary resource waste under the condition that most structures are not changed, so that the obvious technical progress of the washing effect and energy consumption reduction is improved.

The utility model also provides a dish-washing machine, which comprises an inner container, wherein the dish-washing machine shelf structure comprising any one of the above is arranged in the inner container.

Meanwhile, the utility model has simple structure and obvious effect, and is suitable for popularization and use.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. 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 schematic diagram of the major structural relationships of a dishwasher in accordance with the present utility model;

FIG. 2 is a schematic perspective view of a spray arm of the present utility model;

FIG. 3 is a perspective view of a spray arm of the present utility model from different viewing angles;

FIG. 4 is an exploded view of the spray arm of the present utility model;

FIG. 5 is a schematic perspective view of a gasket of the present utility model;

FIG. 6 is a schematic view of section A-A of FIG. 2 in the operational state of the gasket of the present utility model;

FIG. 7 is a schematic view of section A-A of FIG. 2 in the natural state of the gasket of the present utility model;

FIG. 8 is a schematic perspective view of the lower cover of the present utility model;

FIG. 9 is an enlarged schematic view of the utility model at A of FIG. 6;

fig. 10 is an enlarged schematic view of the utility model at B of fig. 8.

The main elements in the figure are as follows:

100. a housing; 200. an inner container; 1. a shelf; 2. a water conduit; 3. a spray arm; 301. an upper cover; 302. a lower cover; 303. a spray arm inner cavity; 4. a spray hole; 5. a circular mounting hole; 6. a lower injection hole; 7. a residual water discharge port; 8. a mounting column; 801. a first clamping column; 802. a second clamping column; 803. a clamping protrusion; 9. a sealing gasket; 901. sealing and plugging; 9011. a water accumulation tank; 902. square mounting holes.

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 utility model 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 utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, 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 utility model 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 utility model.

In the description of the present utility model, 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 utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 10, in the embodiment of the present utility model, a rack structure with a spray arm residual water draining device and a dishwasher are disclosed, the dishwasher includes a housing 100, an inner container 200 is provided in the housing 100, a rack 1 is installed in the inner container 200, the rack 1 has a space for placing tableware, a water guide pipe 2 is provided under the rack 1, one end of the water guide pipe 2 is connected with a water supply structure of the dishwasher, and the other end is connected with a spray arm 3 body, so that water flow can flow into a spray arm cavity 303, and then the objects to be washed placed on the rack 1 are washed; the spray arm 3 body is arranged below the shelf 1 and is connected with the top end of the water guide pipe 2, the spray arm 3 body can rotate around a shaft and is arranged at the top end of the water guide pipe 2 in a free state, the top of the upper cover 301 of the spray arm 3 is provided with spray holes 4, at least part of the spray holes 4 are offset in a tangential direction, so that the spray holes 4 can utilize jet water flow to generate recoil acting force on the spray arm 3 body, the spray arm 3 body can rotate around a shaft under the recoil acting force, and the jet water sprayed by the spray holes 4 is sprayed to the surface of an object to be washed to clean the object to be washed;

the embodiment of the utility model as shown in fig. 2 to 5 describes a shelf structure with a spray arm residual water draining device and a dish washer, wherein the spray arm residual water draining device comprises a spray arm 3 body, and the spray arm 3 body is formed by mutually buckling an S-shaped upper cover 301 and an S-shaped lower cover 302 to form an S-shaped spray arm inner cavity 303 with a cavity inside; the top of the upper cover 301 is provided with a spray hole 4 penetrating through the spray arm cavity 303, at least part of the spray hole 4 is offset along the tangential direction, so that the spray hole 4 can generate recoil acting force on the spray arm 3 by using water jet, the spray arm 3 can generate rotation around a shaft under the recoil acting force, and the spray hole 4 is distributed at a plurality of intervals and is communicated with the spray arm cavity 303.

As shown in fig. 2 to 5, in the embodiment of the present utility model, an open circular mounting hole 5 is provided in the middle of the lower cover 302 of the spray arm 3 body, and the circular mounting hole 5 is communicated with the spray arm inner cavity 303, is connected to the top of the water conduit 2, and is communicated with the inside of the water conduit 2, so that water can be led into the spray arm inner cavity 303 through the water conduit 2; the middle parts of two sides of the circular mounting hole 5 are respectively provided with a lower injection hole 6 and a residual water discharge hole 7, and the lower injection hole 6 arranged on one side is provided with a small hole, so that water in the inner cavity of the spray arm is injected out through the lower injection hole 6 under pressure, a recoil acting force is generated on the spray arm 3 body, and the spray arm 3 body is rotated around the shaft under the recoil acting force; the other side is provided with a residual water discharge port 7, and residual water in the inner cavity 303 of the spray arm is discharged after the spray arm 3 body stops working through the control of a residual water discharging structure, so that bacteria breeding caused by the residual water in the inner cavity 303 of the spray arm is avoided.

As shown in fig. 2 to 10, in the embodiment of the present utility model, a shelf structure with a spray arm residual water draining device is described, wherein the spray arm residual water draining device comprises two mounting posts 8 which are arranged at one side of a residual water draining port 7 and extend vertically upwards along the bottom of the inner wall of a lower cover 302, are reversely bent and arranged at intervals side by side, and the mounting posts 8 are clamped with the tail parts of sealing gaskets 9; the sealing gasket 9 is provided with a circular sealing plug 901 which extends vertically downwards and is arranged in the middle of the top end of one side of the circular edge, the peripheral size of the circular root of the sealing plug 901 is slightly larger than the size of the residual water discharge port 7, so that the sealing plug 901 can completely block and seal the residual water discharge port 7 to prevent water flow in the inner cavity 303 of the spray arm from overflowing from the residual water discharge port when the spray arm 3 body works, and prevent water flow in the inner cavity of the spray arm from flowing out from the residual water discharge port 7 to influence the working water pressure in the inner cavity 303 of the spray arm, and further enhance the washing effect of the spray arm 3; the square mounting hole 902 of symmetry is equipped with to sealing gasket 9 right-angle limit one side, the bottom sets up corresponding with mounting column 8, make sealing gasket 9 movable mounting in lower cover 302 inner wall bottom, square mounting hole 902 and mounting column 8 interval set up, the protruding perpendicular position of card protruding 803 of card when mounting column 8 both sides card kick-backs to natural position is outstanding in sealing gasket 9 square mounting hole 902 both sides perpendicular position, after making mounting column 8 pass sealing gasket 9 square mounting hole 902 and rebound to natural position, sealing gasket 9 is blocked by card protruding 803, in order to reach sealing gasket 9 movable mounting on residual water discharge port 7.

As shown in fig. 6 to 10, in the embodiment of the utility model, the mounting column 8 is divided into a first clamping column 801 and a second clamping column 802, the first clamping column 801 and the second clamping column 802 are disposed opposite to each other and are disposed at the same plane at intervals, the first clamping column 801 and the second clamping column 802 are disposed at intervals and each extend vertically upwards along the inside of the lower cover 302, the extending top ends are respectively provided with a clamping protrusion 803 extending freely away from each other in a turnover downward direction, and the first clamping column 801 and the second clamping column 802 are both formed by deformable resilient materials, so that the clamping protrusions can pass through the square mounting hole 902 through a certain deformation, and after passing through the square mounting hole 902, the top ends of the mounting column 8 are rebound to a natural position, the clamping protrusions 803 clamp the sealing pad 9 and are disposed at intervals with the inner wall of the square mounting hole 902, so that the sealing pad 9 can be movably clamped.

As shown in fig. 6 to 10, in the embodiment of the present utility model, the sealing pad 9 is provided with a circular arc-shaped top, a sealing plug 901 with a vertically downward semicircular protrusion is provided in the middle of the bottom surface of the top end, the top surface of the top end is vertically recessed to form a water accumulation groove 9011, the size of the water accumulation groove 9011 corresponds to that of the sealing plug 901, two symmetrical square mounting holes 902 are provided at the bottom of the sealing pad 9 and are used for connection with the mounting posts 8, so that the sealing pad 9 can be detachably mounted and movably connected with the mounting posts 8, the semicircular center of the sealing plug 901 with the downward protrusion of the sealing pad 9 is coaxially arranged with the circular center of the circular residual water discharge opening 7, and the circular periphery of the residual water discharge opening 7 is slightly smaller than the circular periphery of the sealing plug 901, so as to achieve the purpose that the sealing plug 901 can block the residual water discharge opening 7, and a circle of the sealing plug 901 can completely block the residual water discharge opening 7, and a circle of the sealing pad is sleeved on the uppermost periphery of the sealing plug 901 on the bottom surface of the sealing pad 9, so as to achieve further sealing of the residual water discharge opening 7.

In the embodiment of the utility model, the sealing gasket 9 is made of flexible materials, and in a natural state, the sealing gasket 9 is in a horizontal state, the sealing plug 901 and the residual water discharge port 7 are arranged at intervals, residual water can flow out through a gap between the sealing plug 901 and the residual water discharge port 7, when the spray arm 3 works, the sealing gasket 9 is influenced by water pressure, the front end of the sealing gasket 9 moves downwards under the action of the water pressure, the sealing plug 901 is contacted with the residual water discharge port 7, and the residual water discharge port 7 is further shielded and sealed, so that the purpose that the water pressure in the inner cavity 303 of the spray arm is not influenced, and spray water is sprayed onto the surface of an object to be washed more strongly, so that the object to be washed is more rapid and thorough; when the operation process is finished, the water pressure in the inner cavity 303 of the spray arm is reduced, the sealing gasket 9 rebounds to a natural state, and the residual water is discharged from the residual water discharge port 7.

As shown in fig. 2 to 10, in the embodiment of the utility model, a user starts a dishwasher working procedure, water flows into a spray arm cavity 303 from a dishwasher water supply structure through a water guide pipe 2, after the water flows into the spray arm cavity 303, the spray arm cavity 303 is subjected to water flow action pressure to become large, a sealing gasket 9 is subjected to downward deformation under the influence of the water flow pressure, the sealing plug 901 is in contact with a residual water discharge port 7, the sealing plug 901 shields and seals the residual water discharge port 7, the water pressure of the spray arm cavity 303 is not influenced by the residual water discharge port 7, the water flow sprayed by the spray holes 4 is ensured to have enough pressure to decontaminate and clean objects to be washed on a shelf 1, the spray holes 4 are formed in an upper cover 301, and part of the spray holes 4 generate recoil force on the spray arm 3 along the tangential deviation of the water flow sprayed by the recoil force, so that the spray arm 3 is provided with power to enable the spray arm 3 to generate axial rotation motion, so that objects to be washed placed on the shelf covered by the sprayed water can be covered and cleaned by the sprayed water.

As shown in fig. 2 to 10, in the embodiment of the present utility model, after the dishwasher finishes the washing procedure, the water supply system of the dishwasher stops supplying water, the water pressure in the inner cavity 303 of the spray arm decreases, the sealing plug 901 at the front end of the sealing pad 9 lifts up to restore to a natural state after the downward force of the water pressure is lost by the sealing pad 9, and the residual water in the inner cavity 303 of the spray arm 3 flows out through the residual water discharge port 7, so as to achieve the purpose of draining the residual water.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.

Claims (10)

1. A rack structure of a dish-washing machine, comprising,

a shelf (1) with a space for placing tableware;

the water guide pipe (2) is arranged at the bottom of the shelf (1);

the spray arm (3) is arranged at the top end of the water guide pipe (2), a spray hole (4) is arranged on the upper side of the spray arm (3), and water sprayed by the spray hole (4) cleans the objects to be washed on the covered shelf (1);

the method is characterized in that:

the residual water draining device (304) is arranged above a residual water discharging opening (7) arranged on the bottom wall of the middle part of the spray arm (3) and is used for shielding and sealing the residual water discharging opening (7) in the working process and after the working of the spray arm (3).

2. A dishwasher rack structure according to claim 1, characterized in that the spray arm (3) is formed by upper and lower covers (301, 302) which are fastened up and down; the upper cover (301) is provided with a plurality of spray holes (4) which are opened upwards, and the middle part of the lower cover (302) is provided with a residual water discharge opening (7) which is opened downwards;

the residual water draining device (304) comprises a sealing gasket (9) which is detachably and movably arranged on the mounting column (8) and is arranged above the residual water draining port (7) in the middle of the lower cover (302).

3. The dish washing machine shelf structure according to claim 2, wherein the first clamping columns (801) and the second clamping columns (802) of the mounting columns (8) are symmetrically arranged at intervals on the side of the residual water discharge port (7) in the middle of the lower cover (302), extend upwards in the vertical direction along the bottom of the inner wall of the lower cover, and the top ends of the extending are provided with clamping protrusions (803) which are bent downwards in opposite directions.

4. The dish washer shelf structure according to claim 2, characterized in that two symmetrically arranged square mounting holes (902) are arranged at the tail of the sealing gasket (9), and the vertical positions of the inner side walls at two sides of the square mounting holes (902) are larger than the outer side walls at two sides of the first clamping column (801) and the second clamping column (802) and smaller than the inner side walls of the clamping protrusions (803) at two sides.

5. The dish washing machine shelf structure according to claim 4, wherein the top end of the sealing pad (9) is arranged in an arc shape, and an arc-shaped sealing plug (901) extending vertically downwards is arranged in the middle of the bottom surface of the top end.

6. The dish washing machine shelf structure according to claim 4, wherein a downwardly concave water accumulation groove is provided in the middle of the top surface of the top end of the gasket (9) corresponding to the sealing plug (901).

7. A dishwasher rack structure according to claim 4, characterized in that the gasket (9) is arranged at a distance from the residual water discharge opening (7) in the natural state.

8. A dishwasher rack structure according to claim 4, characterized in that the gasket is arranged in a sealing manner with the residual water discharge opening (7) in the operating state;

the root of the sealing plug (901) is provided with a circle of water leakage-proof rubber ring.

9. A dishwasher rack structure according to any one of claims 1 to 8, characterized in that the rack (1) is a grid structure of spaced transverse and vertical bars; the shelf (1) is in a square groove structure; the center bottom of square body is equipped with spray arm (3), and the lower cover (302) middle part of spray arm (3) is equipped with the residual water and arranges the cleaning device for to the residual water in the spray arm inner chamber.

10. A dishwasher, comprising, a liner (200); the method is characterized in that: the dishwasher rack structure of any one of the preceding claims 1 to 9 is mounted inside the liner (200).