CN108866960B - Outer barrel cover with overflow protection structure and washing machine - Google Patents

Outer barrel cover with overflow protection structure and washing machine Download PDF

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Publication number
CN108866960B
CN108866960B CN201710329429.9A CN201710329429A CN108866960B CN 108866960 B CN108866960 B CN 108866960B CN 201710329429 A CN201710329429 A CN 201710329429A CN 108866960 B CN108866960 B CN 108866960B
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China
Prior art keywords
water
outer barrel
barrel cover
cavity
rib
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CN201710329429.9A
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CN108866960A (en
Inventor
邵明岩
高升成
王玲臣
杨旭光
巩广富
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Priority to CN201710329429.9A priority Critical patent/CN108866960B/en
Publication of CN108866960A publication Critical patent/CN108866960A/en
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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
    • D06F39/14—Doors or covers; Securing means therefor
    • 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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/04—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by water jets
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The invention belongs to the technical field of washing machines, and relates to an outer barrel cover with an overflow protection structure. The outer barrel cover with the overflow protection structure comprises an upper cover body and a lower cover body, the upper cover body is connected with the lower cover body to form a water cavity, the outer barrel cover is provided with a water inlet, the overflow protection structure is arranged on the upper portion of the outer barrel cover, and the overflow protection structure enables water overflowing from the water cavity to be guided to the outer portion of the outer barrel directionally. The outer barrel cover can avoid the problem that potential safety hazards are caused when water overflows the outer barrel cover and is discharged outside the outer barrel in a non-directional mode and splashed onto electric devices when the washing machine breaks down, and the outer barrel cover can save space and increase the capacity of the washing machine.

Description

Outer barrel cover with overflow protection structure and washing machine
Technical Field
The invention belongs to the technical field of washing machines, and relates to an outer barrel cover with an overflow protection structure and a washing machine.
Background
At present, a washing machine with a spraying function is generally provided with a circulating water pump, water at the bottom of an outer barrel is pumped to an outer barrel cover through the circulating water pump, and the outer barrel cover discharges water to form spraying-shaped water flow. The outer barrel cover generally comprises a water inlet, a water cavity and a water outlet, water flow enters the water cavity of the outer barrel cover through the water inlet, and water gathered in the water cavity flows out of the water outlet to be sprayed.
When the washing machine in the prior art breaks down and continuously feeds water, water in the outer barrel overflows the outer barrel cover and is not directionally discharged to the outside of the outer barrel, and the water can splash onto electrical elements, so that potential safety hazards are caused. At present, the overflow structure of the washing machine is arranged on the outer surface of the top end of the outer barrel cover and occupies the capacity and space of the washing machine, and needs to be improved and perfected.
In addition, the existing washing machine has the following defects: because the water cavity is an annular cavity, when water entered from the water inlet, most rivers just flowed out from the delivery port position that corresponds behind the water cavity near water inlet only, can not make rivers flow from all positions of delivery port uniformly, and it is little to spray the coverage area, can not reach comprehensive effectual spraying effect promptly. In particular, when the water pressure of the inlet water is insufficient or the water flow is slow, only the outlet position corresponding to the inlet position is normally discharged, the spraying effect is poor, and the clothes washing effect is hardly substantially improved.
In view of the above, the present invention is specifically proposed.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art, and provides an outer barrel cover with an overflow protection structure, which can effectively prevent the problem that water overflows the outer barrel cover, leaks to the outside of an outer barrel in a non-directional manner and splashes to electric devices to cause potential safety hazards when a washing machine breaks down.
In order to solve the technical problems and achieve the technical effects, the technical scheme of the invention adopts the following basic ideas:
the outer barrel cover comprises an upper cover body and a lower cover body, the upper cover body is connected with the lower cover body to form a water cavity, the outer barrel cover is provided with a water inlet, an overflow protection structure is arranged on the upper portion of the outer barrel cover, and the overflow protection structure enables water overflowing from the water cavity to be guided to the outer portion of the outer barrel directionally.
Preferably, the overflow protection structure is a water drainage channel arranged on the top surface of the outer barrel cover, and the water drainage channel is provided with a flow guide structure for guiding the overflowing water to the outside of the outer barrel in a directional manner; preferably, the flow guide structure is a guide groove or a guide pipe.
Preferably, the overflow protection structure is a water drainage hole which is arranged on the upper cover body and communicated with the upper part of the water cavity.
Preferably, the water cavity is internally provided with a water retaining rib relative to the water drainage hole, and the water retaining rib comprises a first part and a second part, wherein the first part is used for shielding the lower part of the water drainage hole, and the second part is extended from the upper end of the first part and is bent towards the inner peripheral wall direction of the water cavity.
Preferably, a plurality of grid ribs extending from the bottom end of the drain hole to the top surface of the outer barrel cover and penetrating through the height of the drain hole are arranged outside the drain hole, and an independent drain channel is formed between every two adjacent grid ribs;
preferably, the bottom end of the water drainage hole is provided with an arc-shaped reinforcing rib along the circumferential direction of the side circumferential wall of the outer barrel cover.
Preferably, the inner peripheral wall of the water cavity is provided with a plurality of water outlets, the water cavity is communicated with the water inlet and provided with water homogenizing ribs with the length extending along the circumferential direction of the outer barrel cover, and water inflow is blocked by the water homogenizing ribs so as to be shunted to the water cavities on two sides of the water inlet and is uniformly sprayed to the inner barrel through the water outlets.
Preferably, the water homogenizing rib is arranged on the inner surface of the upper cover body or the lower cover body, and separates the water inlet from the water outlet on the inner peripheral wall of the water cavity opposite to the water inlet.
Preferably, even water muscle includes the middle section muscle and at the left and right section muscle that the left and right both sides of middle section muscle set up, the axis of middle section muscle and the axis coincidence of water inlet, the length of middle section muscle is not less than the width of intaking of water inlet and water cavity intercommunication department, the internal surface sealing contact of the internal surface of lower terminal surface and lower lid or up end and the upper cover body of middle section muscle.
Preferably, the inner peripheral wall of the water cavity is provided with a plurality of water outlet holes, and the outer barrel cover is provided with a water inlet; water enters the water cavity from the water inlet and is sprayed into the inner barrel through the water outlet;
preferably, each water outlet hole is independently and uniformly distributed on the inner peripheral wall of the water cavity; or the water outlet holes are arranged into a plurality of water outlet hole groups which are uniformly distributed on the inner peripheral wall of the water cavity, and each water outlet hole group comprises at least two water outlet holes;
preferably, the distances between the water outlet holes in each water outlet hole group are set to be the same or different;
preferably, the intervals between the water outlet hole groups are set to be the same or different.
It is still another important object of the present invention to provide a washing machine having any one of the outer tub covers having an overflow preventing structure as set forth above.
Compared with the outer barrel cover in the prior art, the outer barrel cover with the overflow protection structure has the following beneficial effects:
when the washing machine breaks down and water is continuously fed to cause water overflow, the outer barrel cover with the overflow protection structure can guide the overflowed water to a part without electric devices between the outer barrel and the washing machine box body from direction, so that danger is avoided, and the washing machine is safer and more reliable;
the overflow protection structure of the outer barrel cover with the overflow protection structure is simple, saves space, is beneficial to increasing the capacity of the washing machine and has lower cost;
the water drainage hole arranged on the outer barrel cover is used as an overflow protection structure, and the water retaining rib is arranged, so that the situation that water enters the washing machine to overflow to an electric device to cause danger when the washing machine abnormally operates can be avoided, and meanwhile, the water in the outer barrel cover is prevented from being thrown away in the normal dehydration operation process of the washing machine, and the washing machine is more reasonable and reliable;
the water homogenizing ribs are arranged at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet part in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, and each water outlet of the water cavity of the outer barrel cover is enabled to have proper water pressure so as to ensure that the water flow in the outer barrel cover is sprayed more uniformly, the spraying and washing effects are improved, and the washing rate of clothes is further improved;
the structure of the water homogenizing rib is simpler, the cost is saved, the volume of a water cavity of the outer barrel cover cannot be lost, and in addition, the arrangement position of the water homogenizing rib has multiple choices, so that the water homogenizing rib is more flexible and easy to control and has strong applicability;
every apopore independently and evenly distributes on the internal perisporium of water cavity, perhaps, the apopore is established to a plurality of outlet hole groups of evenly distributed on the internal perisporium of water cavity, and every outlet hole group includes two at least apopores, so can ensure that the rivers that spray are more even, reliable to the rivers that jet flow comes out have stronger impact force, can improve the washing effect that sprays to the clothing, and the clothing is washed the effect better.
Compared with the prior art, the washing machine has the following beneficial effects:
the washing machine can avoid the problem that when the operation fails, water overflows the outer barrel cover, is discharged to the outside of the outer barrel in a non-directional manner and splashes onto electric devices to cause potential safety hazards, and the capacity of the washing machine is increased;
the spraying water flow of the washing machine is more reliable and stable, the spraying washing effect is better, the clothes washing rate of the washing machine is higher, the washing machine better meets the requirements of customers, and the market prospect is good.
The technical scheme of the invention is explained in detail in the following with the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, 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 without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a partial structural schematic view of an outer tub cover of a washing machine according to a first embodiment of the present invention;
fig. 2 is a sectional view of a washing tub cover according to a first embodiment of the present invention;
fig. 3 is a partial structural schematic view of an outer tub cover of a washing machine according to a second embodiment of the present invention;
fig. 4 is a schematic structural view of a novel water flow outer barrel cover according to a third embodiment of the invention;
fig. 5 is a schematic structural view of a novel water flow outer barrel cover according to a third embodiment of the invention;
fig. 6 is a schematic structural view of a novel water flow outer barrel cover according to a third embodiment of the invention;
fig. 7 is a schematic structural view of a novel water flow outer barrel cover according to a fourth embodiment of the invention;
fig. 8 is a schematic structural view of an outer tub cover having an overflow preventing structure according to a fifth embodiment of the present invention;
fig. 9 is a schematic structural view of an outer tub cover having an overflow preventing structure according to a fifth embodiment of the present invention;
fig. 10 is a schematic structural view of an outer tub cover having an overflow preventing structure according to a fifth embodiment of the present invention.
The figure is marked with: 1. a water chamber; 100. an outer barrel cover; 101. an upper cover body; 102. a lower cover body; 11. a first water chamber; 12. a second water chamber; 2. an arc-shaped rib; 3. a water inlet; 4. a water outlet hole; 400. a water outlet hole group; 5. a water drain hole; 6. water retaining ribs; 7. grid ribs.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
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 will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The utility model provides an outer bucket lid, includes upper cover body 101 and lower cover body 102, and upper cover body 101 and lower cover body 102 are connected and are formed water cavity 1, are equipped with a plurality of delivery ports on the internal perisporium of water cavity 1, and water cavity 1 is linked together the department with water inlet 3 and is equipped with length along the even water muscle 2 of outer bung 100 circumference extension, and it is blockked in order to divide the water cavity 1 reposition of redundant personnel and evenly spray to interior bucket by each delivery port to 3 both sides water cavities of water inlet by even water muscle 2 to intake.
A first water cavity 11 is formed between the water homogenizing rib 2 and the outer peripheral wall of the outer barrel cover 100, and the first water cavity 11 is communicated with the water inlet 3; a second water cavity 12 is formed between the water homogenizing rib 2 and the inner peripheral wall of the outer tub cover 100.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes middle section muscle and the left and right section muscle that sets up in the left and right both sides of middle section muscle, and the axis of middle section muscle coincides with the axis of water inlet 3, and the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water cavity, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101.
The height of the left and right section ribs of the water homogenizing rib 2 is equal to or lower than that of the middle section rib;
preferably, the height of the left and right sections of the water homogenizing rib 2 is gradually reduced along the flowing direction of the inlet water.
The water homogenizing rib 2 is an arc rib concentrically arranged with the inner and outer circumference rings of the outer barrel cover 100.
A plurality of water outlet holes 4 are formed in the inner peripheral wall of the water cavity 1, and inlet water is sprayed into the inner barrel through the water outlet holes 4;
each water outlet hole 4 is independently and uniformly distributed on the inner peripheral wall of the water cavity 1;
or, the water outlet holes 4 are arranged into a plurality of water outlet hole groups 400 uniformly distributed on the inner peripheral wall of the water cavity 1, and each water outlet hole group 400 comprises at least two water outlet holes 4;
the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
the intervals between the water outlet hole groups 400 are set to be the same or different.
The following describes the situation of the outer tub cover 100 according to the present embodiment when water enters the outer tub cover with reference to fig. 1: the inlet water flows along the first water cavity 11 until reaching the end part of the water homogenizing rib 2, one part of the inlet water flows back to the second water cavity 12 from the end part of the water homogenizing rib 2, the other part of the inlet water continuously flows forwards to the rest part of the water cavity 1, and the inlet water is sprayed into the inner barrel from the water outlet part of the inner peripheral wall of the water cavity 1. The water inlet at the water inlet 3 is not directly sprayed out from the water outlets just opposite to the water inlet 3 due to the blocking of the water homogenizing ribs 2, but is shunted towards the left side and the right side of the water inlet 3 and then is sprayed out from the water outlets arranged on the inner peripheral wall of the water cavity 1, the water outlet is even and reliable, and the spraying effect is good.
The inner periphery of the upper cover body 100 is provided with a through hole, the inner periphery of the lower cover body 101 is provided with a buckle, and the buckle and the through hole are buckled to connect the upper cover body 101 and the lower cover body 102;
the outer periphery of the upper cover 101 is provided with a buckle, the inner periphery of the lower cover 102 is provided with a through hole, and the buckle and the through hole are clamped to connect the upper cover and the lower cover.
The inner circumference and the outer circumference are relative to the water inlet direction, the position close to the water inlet is the outer circumference, and the position close to the water inlet flowing direction is the opposite inner circumference.
Referring to fig. 2, a plurality of water outlet holes 4 are formed in the inner circumferential wall of the water cavity 1 of the outer tub cover 100, and the inlet water in the water cavity 1 is sprayed into the inner tub through the water outlet holes 4, as shown in the figure, the water outlet holes 4 are individually and uniformly distributed in the inner circumferential wall of the water cavity 1 of the outer tub cover 100.
A through hole is arranged on the inner periphery of the upper cover body 101, a buckle is arranged on the inner periphery of the lower cover body 102, and the buckle and the through hole are buckled to connect the upper cover body 101 and the lower cover body 102;
and/or a buckle is arranged on the outer periphery of the upper cover body 101, a through hole is arranged on the inner periphery of the lower cover body 102, and the buckle and the through hole are buckled to connect the upper cover body 101 and the lower cover body 102.
The present embodiment relates to a washing machine provided with the above-described outer tub cover 100.
The washing machine is provided with a water pump for pumping water to the water inlet 3 of the outer barrel cover 100, and the water pumped by the water pump is from an external water source or water stored in the outer barrel of the washing machine.
Or the washing machine is not provided with a water pump, and water is supplied to the water inlet of the outer barrel cover by virtue of a water stirring structure which is arranged on the wall of the inner barrel or the bottom of the inner barrel and can lift water between the inner barrel and the outer barrel upwards.
Compared with the prior art, the outer barrel cover has the following beneficial effects:
1. the water homogenizing ribs are arranged at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, and the water outlets of the water cavity of the outer barrel cover are respectively provided with proper water pressure to ensure that the water flow in the outer barrel cover is sprayed more reliably and uniformly, thereby being beneficial to improving the spraying and washing effect and further improving the cleaning rate of clothes;
2. the water homogenizing rib has a simpler structure, not only is the cost saved, but also the volume of a water cavity of the outer barrel cover cannot be lost, and in addition, the arrangement of the water homogenizing rib has multiple choices, is more flexible and easy to control, and has strong applicability;
3. the inner peripheral wall of the water cavity of the outer barrel cover is provided with the water outlet holes, particularly, the water outlet holes are independently and uniformly distributed on the inner peripheral wall of the water cavity of the outer barrel cover or are uniformly distributed on the inner peripheral wall of the water cavity according to a plurality of groups, so that the water pressure of the water outlet holes in the water cavity of the outer barrel cover can be ensured, water flow can be sprayed out forcefully, and the spraying effect is improved;
4. the outer barrel cover is clamped and fixed through the self structural characteristics of the upper cover body and the lower cover body, so that the outer barrel cover is firm in connection, an auxiliary fixing part is not needed, the volume of a water cavity of the outer barrel cover is increased, sufficient water flow is sprayed out, the spraying effect is improved, and the clothes cleaning effect is guaranteed.
Compared with the prior art, the washing machine of the embodiment has the advantages that: the outer barrel cover of the washing machine has balanced and sufficient spraying water pressure, each water outlet part can normally discharge water, the spraying water flow is more uniform and reliable, the spraying washing effect is good, and the washing effect of clothes is substantially improved.
Example two
Referring to fig. 3, the difference between the present embodiment and the first embodiment is: the end points of the left and right sections of the water homogenizing rib 2 are connected to form a whole circle of rib.
The water homogenizing bar 2 is arranged in the water cavity 1 in a whole circle, and the height of the part of the whole circle connecting the end points of the left and the right sections of the bar should satisfy the following conditions: the inlet water can enter the second water chamber 12 from the first water chamber 11 so that the inlet water is sprayed out from the water outlet on the inner peripheral wall of the outer tub cover 100. Referring to fig. 3, the arrows indicate the direction of flow of the water stream.
The utility model provides an outer bucket lid, includes upper cover body 101 and lower cover body 102, and upper cover body 101 and lower cover body 102 are connected and are formed water cavity 1, are equipped with a plurality of delivery ports on the internal perisporium of water cavity 1, and water cavity 1 is linked together the department with water inlet 3 and is equipped with length along the even water muscle 2 of outer bung 100 circumference extension, and it is blockked in order to divide the water cavity 1 reposition of redundant personnel and evenly spray to interior bucket by each delivery port to 3 both sides water cavities of water inlet by even water muscle 2 to intake.
A first water cavity 11 is formed between the water homogenizing rib 2 and the outer peripheral wall of the outer barrel cover 100, and the first water cavity 11 is communicated with the water inlet 3; a second water cavity 12 is formed between the water homogenizing rib 2 and the inner peripheral wall of the outer tub cover 100.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes the middle section muscle and in the left and right both sides of middle section muscle setting, right section muscle, the axis of middle section muscle coincides with the axis of water inlet 3, the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water chamber, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101, in this embodiment, the left and right section of muscle of even water muscle 2 is connected in order to form whole circle muscle.
The height of the left and right section ribs of the water homogenizing rib 2 is equal to or lower than that of the middle section rib;
preferably, the height of the left and right sections of the water homogenizing rib 2 is gradually reduced along the flowing direction of the inlet water.
The water homogenizing rib 2 is an arc rib concentrically arranged with the inner and outer circumference rings of the outer barrel cover 100.
A plurality of water outlet holes 4 are formed in the inner peripheral wall of the water cavity 1, and inlet water is sprayed into the inner barrel through the water outlet holes 4;
each water outlet hole 4 is independently and uniformly distributed on the inner peripheral wall of the water cavity 1; or, the water outlet holes 4 are arranged into a plurality of water outlet hole groups 400 uniformly distributed on the inner peripheral wall of the water cavity 1, and each water outlet hole group 400 comprises at least two water outlet holes 4;
the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
the intervals between the water outlet hole groups 400 are set to be the same or different.
The water inlet at the water inlet 3 is not directly sprayed out from the water outlet just opposite to the water inlet 3 due to the blocking of the water homogenizing rib 2, but is shunted to the left side and the right side of the water inlet 3 and then sprayed out from the water outlets at all positions, the water outlets arranged on the inner peripheral wall of the water cavity 1 are even and reliable in water outlet, and the spraying effect is good.
The inner periphery of the upper cover body 100 is provided with a through hole, the inner periphery of the lower cover body 101 is provided with a buckle, and the buckle and the through hole are buckled to connect the upper cover body 101 and the lower cover body 102;
the outer periphery of the upper cover 101 is provided with a buckle, the inner periphery of the lower cover 102 is provided with a through hole, and the buckle and the through hole are clamped to connect the upper cover and the lower cover.
The inner circumference and the outer circumference are relative to the water inlet direction, the position close to the water inlet is the outer circumference, and the position close to the water inlet flowing direction is the opposite inner circumference.
Referring to fig. 2, a plurality of water outlet holes 4 are formed in the inner circumference of the outer tub cover 100, the inlet water in the water chamber 1 is sprayed out through the water outlet holes 4 and enters the inner tub, and the water outlet holes 4 are individually and uniformly distributed in the inner circumference of the outer tub cover.
In other embodiments, the water outlet holes 4 may also be uniformly distributed on the inner circumference of the outer barrel cover according to multiple groups, and the intervals between the groups are equal.
The present embodiment relates to a washing machine provided with the above-described outer tub cover 100.
The washing machine is provided with a water pump for pumping water to the water inlet of the outer barrel cover, and the water pumped by the water pump is from an external water source or water stored in the outer barrel of the washing machine.
Or the washing machine is not provided with a water pump, and water is supplied to the water inlet of the outer barrel cover by virtue of a water stirring structure which is arranged on the wall of the inner barrel or the bottom of the inner barrel and can lift water between the inner barrel and the outer barrel upwards.
Compared with the prior art, the outer barrel cover has the following beneficial effects:
1. the water homogenizing ribs are arranged at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, and the water outlets of the water cavity of the outer barrel cover are respectively provided with proper water pressure to ensure that the water flow in the outer barrel cover is sprayed more reliably and uniformly, thereby being beneficial to improving the spraying and washing effect and further improving the cleaning rate of clothes;
2. the water homogenizing rib has a simpler structure, not only is the cost saved, but also the volume of a water cavity of the outer barrel cover cannot be lost, and in addition, the arrangement of the water homogenizing rib has multiple choices, is more flexible and easy to control, and has strong applicability;
3. the inner peripheral wall of the water cavity of the outer barrel cover is provided with the water outlet holes, particularly, the water outlet holes are independently and uniformly distributed on the inner peripheral wall of the water cavity of the outer barrel cover or are uniformly distributed on the inner peripheral wall of the water cavity according to a plurality of groups, so that the water pressure of the water outlet holes in the water cavity of the outer barrel cover can be ensured, water flow can be sprayed out forcefully, and the spraying effect is improved;
4. the outer barrel cover is clamped and fixed through the self structural characteristics of the upper cover body and the lower cover body, so that the outer barrel cover is firm in connection, an auxiliary fixing part is not needed, the volume of a water cavity of the outer barrel cover is increased, sufficient water flow is sprayed out, the spraying effect is improved, and the clothes cleaning effect is guaranteed.
Compared with the prior art, the washing machine of the embodiment has the advantages that: the outer barrel cover of the washing machine has balanced and sufficient spraying water pressure, each water outlet part can normally discharge water, the spraying water flow is more uniform and reliable, the spraying washing effect is good, and the washing effect of clothes is substantially improved.
EXAMPLE III
A novel water flow outer barrel cover is disclosed, wherein the outer barrel cover 100 comprises an upper cover body 101 and a lower cover body 102 (as shown in fig. 4), the upper cover body 101 and the lower cover body 102 are provided with matched clamping parts, the upper cover body 101 and the lower cover body 102 are clamped to form an annular water cavity 1, the inner peripheral wall of the water cavity 1 is provided with a plurality of water outlet holes 4, and the outer barrel cover 100 is provided with a water inlet 3; water enters the annular water cavity 1 from the water inlet 3 and is sprayed into the inner barrel through the water outlet 4.
Each water outlet hole 4 is independently and uniformly distributed on the inner peripheral wall of the water cavity 1;
or, the water outlet holes 4 are provided as a plurality of water outlet hole groups 400 uniformly distributed on the inner circumferential wall of the water cavity 1, and each water outlet hole group 400 includes at least two water outlet holes 4;
preferably, the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
preferably, the intervals between the water outlet hole groups 400 are set to be the same or different.
In the present embodiment, each outlet hole 4 is independently and uniformly distributed on the inner circumferential wall of the water chamber 1.
In other embodiments, the inner peripheral wall of the outer tub cover 100 may be provided with the separate outlet holes 4 and the outlet hole groups 400 at the same time, for example, the inner peripheral wall of the water cavity 1 is alternately provided with the separate outlet holes 4 and the outlet hole groups 400 at intervals.
The water cavity 1 is communicated with the water inlet 3, and is provided with a water homogenizing rib 2 with the length extending along the circumferential direction of the outer barrel cover 100, and water inlet is blocked by the water homogenizing rib 2 so as to be divided into water cavities 1 at two sides of the water inlet 3 and is uniformly sprayed to the inner barrel through the water outlets.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes middle section muscle and the left and right section muscle that sets up in the left and right both sides of middle section muscle, and the axis of middle section muscle coincides with the axis of water inlet 3, and the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water cavity, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101.
The inner surface of the upper cover body 101 is provided with a first clamping rib, the inner surface of the lower cover body 102 is provided with a second clamping rib, the first clamping rib is provided with a protrusion, the second clamping rib is correspondingly provided with a through hole or a groove, or the second clamping rib is provided with a protrusion, and the first clamping rib is correspondingly provided with a through hole or a groove.
The upper portion of the tub cover 100 is provided with an overflow protection structure which guides the water overflowing from the water chamber 1 to the outside of the tub in a directional manner.
Alternatively, in another embodiment, a guide groove for guiding the water flow in the water discharge direction is provided on the top surface of the outer lid 100.
As shown in fig. 5 and 6, each outlet hole 4 is independently and uniformly distributed on the inner circumferential wall of the water chamber 1.
The present embodiment relates to a washing machine having a novel water flow outer tub cover as described above.
After adopting above-mentioned technical scheme, compare with prior art and have following beneficial effect:
the novel water flow outer barrel cover is provided with the water outlet holes, each water outlet hole is independently and uniformly distributed on the inner peripheral wall of the water cavity, or the water outlet holes are formed into a plurality of water outlet hole groups uniformly distributed on the inner peripheral wall of the water cavity, each water outlet hole group comprises at least two water outlet holes, so that the spraying water flow can be ensured to be more uniform and reliable, the sprayed water flow has stronger impact force, the spraying and washing effect on clothes can be improved, and the clothes washing effect is better;
the novel water flow outer barrel cover is further provided with water homogenizing ribs at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, the water cavity of the outer barrel cover is enabled to have proper water pressure at all positions to ensure that the water flow in the outer barrel cover is sprayed more uniformly, the spraying and washing effects are improved, and further the washing rate of clothes is improved;
the novel water flow outer barrel cover is clamped and fixed through the self structural characteristics of the upper cover body and the lower cover body, not only is firm in connection but also an auxiliary fixing part is not needed, the water cavity volume of the outer barrel cover is further increased, sufficient water flow is ensured to spray so as to improve the spraying effect, and the clothes cleaning effect is guaranteed.
The spraying water flow of the outer barrel cover of the washing machine is more reliable and stable, the spraying washing effect is better, the clothes washing rate of the washing machine is higher, the washing machine better meets the requirements of customers, and the market prospect is good.
Example four
The difference between this embodiment and the third embodiment is that: the arrangement of the water outlet holes 4 on the inner peripheral wall of the water cavity 1 is different, in this embodiment, the water outlet holes 4 are arranged into a plurality of water outlet hole groups 400 uniformly distributed on the inner peripheral wall of the water cavity 1, and each water outlet hole group 400 includes at least two water outlet holes 4.
A novel water flow outer barrel cover is disclosed, wherein the outer barrel cover 100 comprises an upper cover body 101 and a lower cover body 102 (as shown in fig. 4), the upper cover body 101 and the lower cover body 102 are provided with matched clamping parts, the upper cover body 101 and the lower cover body 102 are clamped to form an annular water cavity 1, the inner peripheral wall of the water cavity 1 is provided with a plurality of water outlet holes 4, and the outer barrel cover 100 is provided with a water inlet 3; water enters the annular water cavity 1 from the water inlet 3 and is sprayed into the inner barrel through the water outlet 4.
The water outlet holes 4 are arranged into a plurality of water outlet hole groups 400 which are uniformly distributed on the inner peripheral wall of the water cavity 1, and each water outlet hole group 400 comprises at least two water outlet holes 4;
preferably, the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
preferably, the intervals between the water outlet hole groups 400 are set to be the same or different.
As shown in fig. 7, the outlet holes 4 are provided as a plurality of outlet hole groups 400 uniformly distributed on the inner circumferential wall of the water chamber 1, and each outlet hole group 400 includes at least two outlet holes 4.
The distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
the intervals between the water outlet hole groups 400 are set to be the same or different.
The water cavity 1 is communicated with the water inlet 3, and is provided with a water homogenizing rib 2 with the length extending along the circumferential direction of the outer barrel cover 100, and water inlet is blocked by the water homogenizing rib 2 so as to be divided into water cavities 1 at two sides of the water inlet 3 and is uniformly sprayed to the inner barrel through the water outlets.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes middle section muscle and the left and right section muscle that sets up in the left and right both sides of middle section muscle, and the axis of middle section muscle coincides with the axis of water inlet 3, and the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water cavity, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101.
The inner surface of the upper cover body 101 is provided with a first clamping rib, the inner surface of the lower cover body 102 is provided with a second clamping rib, the first clamping rib is provided with a protrusion, the second clamping rib is correspondingly provided with a through hole or a groove, or the second clamping rib is provided with a protrusion, and the first clamping rib is correspondingly provided with a through hole or a groove.
The upper portion of the tub cover 100 is provided with an overflow protection structure which guides the water overflowing from the water chamber 1 to the outside of the tub in a directional manner.
The present embodiment relates to a washing machine having a novel water flow outer tub cover as described above.
After adopting above-mentioned technical scheme, compare with prior art and have following beneficial effect:
the novel water flow outer barrel cover is provided with the water outlet holes, each water outlet hole is independently and uniformly distributed on the inner peripheral wall of the water cavity, or the water outlet holes are formed into a plurality of water outlet hole groups uniformly distributed on the inner peripheral wall of the water cavity, each water outlet hole group comprises at least two water outlet holes, so that the spraying water flow can be ensured to be more uniform and reliable, the sprayed water flow has stronger impact force, the spraying and washing effect on clothes can be improved, and the clothes washing effect is better;
the novel water flow outer barrel cover is further provided with water homogenizing ribs at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, the water cavity of the outer barrel cover is enabled to have proper water pressure at all positions to ensure that the water flow in the outer barrel cover is sprayed more uniformly, the spraying and washing effects are improved, and further the washing rate of clothes is improved;
the novel water flow outer barrel cover is clamped and fixed through the self structural characteristics of the upper cover body and the lower cover body, not only is firm in connection but also an auxiliary fixing part is not needed, the water cavity volume of the outer barrel cover is further increased, sufficient water flow is ensured to spray so as to improve the spraying effect, and the clothes cleaning effect is guaranteed.
The spraying water flow of the outer barrel cover of the washing machine is more reliable and stable, the spraying washing effect is better, the clothes washing rate of the washing machine is higher, the washing machine better meets the requirements of customers, and the market prospect is good.
EXAMPLE five
An outer barrel cover with an overflow protection structure is provided, an outer barrel cover 100 comprises an upper cover body 101 and a lower cover body 102, the upper cover body 101 is connected with the lower cover body 102 to form a water cavity 1, the outer barrel cover 100 is provided with a water inlet 3, the overflow protection structure is arranged on the upper portion of the outer barrel cover 100, and the overflow protection structure guides overflow water filled in the water cavity 1 to the outside of an outer barrel in a directional mode. The overflow protection structure can guide the water which is filled with abnormal water and overflows in the water cavity 1 to the position between the outer barrel and the washing machine box body and without electric elements directionally.
The overflow protection structure is a water drainage hole 5 which is arranged on the upper cover body 101 and communicated with the upper part of the water cavity 1.
The water blocking rib 6 is arranged in the water cavity 1 relative to the water drainage hole 5, and the water blocking rib 6 comprises a first part covering the lower part of the water drainage hole 5 and a second part extending from the upper end of the first part and bending towards the inner peripheral wall of the water cavity 1.
A plurality of grid ribs 7 which extend from the bottom end of the drain hole 5 to the top surface of the outer barrel cover 100 and penetrate through the height of the drain hole 5 are arranged outside the drain hole 5, and an independent drain channel is formed between every two adjacent grid ribs 7;
the bottom end of the water outlet 5 is provided with an arc-shaped reinforcing rib along the circumferential direction of the side circumferential wall of the outer barrel cover 100.
The inner peripheral wall of the water cavity 1 is provided with a plurality of water outlets, the water cavity 1 is communicated with the water inlet 3 and is provided with a water homogenizing rib 2 with the length extending along the circumferential direction of the outer barrel cover 100, and water inflow is blocked by the water homogenizing rib 2 so as to be shunted to the water cavities 1 on the two sides of the water inlet 3 and is uniformly sprayed to the inner barrel through the water outlets.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes middle section muscle and the left and right section muscle that sets up in the left and right both sides of middle section muscle, and the axis of middle section muscle coincides with the axis of water inlet 3, and the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water cavity, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101.
The inner peripheral wall of the water cavity 1 is provided with a plurality of water outlet holes 4, and the outer barrel cover 100 is provided with a water inlet 3; water enters the water cavity 1 from the water inlet 3 and is sprayed into the inner barrel through the water outlet 4;
each water outlet hole 4 is independently and uniformly distributed on the inner peripheral wall of the water cavity 1; or, the water outlet holes 4 are provided as a plurality of water outlet hole groups 400 uniformly distributed on the inner circumferential wall of the water cavity 1, and each water outlet hole group 400 includes at least two water outlet holes 4;
the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
the intervals between the water outlet hole groups 400 are set to be the same or different.
The present embodiment relates to a washing machine having the outer tub cover 100 having the overflow water protecting structure as described above.
Compared with the outer barrel cover in the prior art, the outer barrel cover with the overflow protection structure has the following beneficial effects:
when the washing machine breaks down and water is continuously fed to cause water overflow, the outer barrel cover with the overflow protection structure can guide the overflowed water to a part without electric devices between the outer barrel and the washing machine box body from direction, so that danger is avoided, and the washing machine is safer and more reliable;
the overflow protection structure of the outer barrel cover with the overflow protection structure is simple, saves space, is beneficial to increasing the capacity of the washing machine and has lower cost;
the water drainage hole arranged on the outer barrel cover is used as an overflow protection structure, and the water retaining rib is arranged, so that the situation that water enters the washing machine to overflow to an electric device to cause danger when the washing machine abnormally operates can be avoided, and meanwhile, the water in the outer barrel cover is prevented from being thrown away in the normal dehydration operation process of the washing machine, and the washing machine is more reasonable and reliable;
the water homogenizing ribs are arranged at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet part in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, and each water outlet of the water cavity of the outer barrel cover is enabled to have proper water pressure so as to ensure that the water flow in the outer barrel cover is sprayed more uniformly, the spraying and washing effects are improved, and the washing rate of clothes is further improved;
the structure of the water homogenizing rib is simpler, the cost is saved, the volume of a water cavity of the outer barrel cover cannot be lost, and in addition, the arrangement position of the water homogenizing rib has multiple choices, so that the water homogenizing rib is more flexible and easy to control and has strong applicability;
every apopore independently and evenly distributes on the internal perisporium of water cavity, perhaps, the apopore is established to a plurality of outlet hole groups of evenly distributed on the internal perisporium of water cavity, and every outlet hole group includes two at least apopores, so can ensure that the rivers that spray are more even, reliable to the rivers that jet flow comes out have stronger impact force, can improve the washing effect that sprays to the clothing, and the clothing is washed the effect better.
Compared with the prior art, the washing machine has the following beneficial effects:
the washing machine can avoid the problem that when the operation fails, water overflows the outer barrel cover, is discharged to the outside of the outer barrel in a non-directional manner and splashes onto electric devices to cause potential safety hazards, and the capacity of the washing machine is increased;
the spraying water flow of the washing machine is more reliable and stable, the spraying washing effect is better, the clothes washing rate of the washing machine is higher, the washing machine better meets the requirements of customers, and the market prospect is good.
EXAMPLE six
The present embodiment is different from the fifth embodiment in that: the overflow protection structure is different, and in this embodiment, the overflow protection structure is a water drainage channel arranged on the top surface of the outer barrel cover 100, and the water drainage channel has a flow guide structure for guiding the overflowed water to the outside of the outer barrel in a directional manner; preferably, the flow guide structure is a guide groove or a guide pipe.
The overflow protection structure can also better drain water overflowing from the outer barrel when the washing machine is abnormally operated directionally, so that potential safety hazards caused by the fact that the water overflows to positions where electric devices are arranged in a non-directional mode are avoided.
An outer barrel cover with an overflow protection structure is provided, an outer barrel cover 100 comprises an upper cover body 101 and a lower cover body 102, the upper cover body 101 is connected with the lower cover body 102 to form a water cavity 1, the outer barrel cover 100 is provided with a water inlet 3, the overflow protection structure is arranged on the upper portion of the outer barrel cover 100, and the overflow protection structure guides overflow water filled in the water cavity 1 to the outside of an outer barrel in a directional mode.
The overflow protection structure is a water drainage channel arranged on the top surface of the outer barrel cover 100, and the water drainage channel is provided with a flow guide structure for guiding overflow water to the outside of the outer barrel in a directional manner; preferably, the flow guide structure is a guide groove or a guide pipe.
The inner peripheral wall of the water cavity 1 is provided with a plurality of water outlets, the water cavity 1 is communicated with the water inlet 3 and is provided with a water homogenizing rib 2 with the length extending along the circumferential direction of the outer barrel cover 100, and water inflow is blocked by the water homogenizing rib 2 so as to be shunted to the water cavities 1 on the two sides of the water inlet 3 and is uniformly sprayed to the inner barrel through the water outlets.
The water-homogenizing rib 2 is arranged on the inner surface of the upper cover body 101 or the lower cover body 102, and the water inlet 3 is separated from the water outlet on the inner peripheral wall of the water cavity 1 opposite to the water inlet by the water-homogenizing rib 2.
Even water muscle 2 includes middle section muscle and the left and right section muscle that sets up in the left and right both sides of middle section muscle, and the axis of middle section muscle coincides with the axis of water inlet 3, and the length of middle section muscle is not less than the width of intaking of water inlet 3 and 1 intercommunication departments in water cavity, the internal surface sealing contact of the lower terminal surface of middle section muscle and lower lid 102 or up end and last lid 101.
The inner peripheral wall of the water cavity 1 is provided with a plurality of water outlet holes 4, and the outer barrel cover 100 is provided with a water inlet 3; water enters the water cavity 1 from the water inlet 3 and is sprayed into the inner barrel through the water outlet 4;
each water outlet hole 4 is independently and uniformly distributed on the inner peripheral wall of the water cavity 1; or, the water outlet holes 4 are provided as a plurality of water outlet hole groups 400 uniformly distributed on the inner circumferential wall of the water cavity 1, and each water outlet hole group 400 includes at least two water outlet holes 4;
the distances between the water outlet holes 4 in the water outlet hole groups 400 are set to be the same or different;
the intervals between the water outlet hole groups 400 are set to be the same or different.
The present embodiment relates to a washing machine having the outer tub cover 100 having the overflow water protecting structure as described above.
Compared with the outer barrel cover in the prior art, the outer barrel cover with the overflow protection structure has the following beneficial effects:
when the washing machine breaks down and water is continuously fed to cause water overflow, the outer barrel cover with the overflow protection structure can guide the overflowed water to a part without electric devices between the outer barrel and the washing machine box body from direction, so that danger is avoided, and the washing machine is safer and more reliable;
the overflow protection structure of the outer barrel cover with the overflow protection structure is simple, saves space, is beneficial to increasing the capacity of the washing machine and has lower cost;
the water homogenizing ribs are arranged at the positions where the water inlet is communicated with the water cavity, so that the water pressure of each water outlet part in the water cavity of the outer barrel cover is effectively balanced, particularly the water pressure at different positions close to the water inlet and far away from the water inlet, and each water outlet of the water cavity of the outer barrel cover is enabled to have proper water pressure so as to ensure that the water flow in the outer barrel cover is sprayed more uniformly, the spraying and washing effects are improved, and the washing rate of clothes is further improved;
the structure of the water homogenizing rib is simpler, the cost is saved, the volume of a water cavity of the outer barrel cover cannot be lost, and in addition, the arrangement position of the water homogenizing rib has multiple choices, so that the water homogenizing rib is more flexible and easy to control and has strong applicability;
every apopore independently and evenly distributes on the internal perisporium of water cavity, perhaps, the apopore is established to a plurality of outlet hole groups of evenly distributed on the internal perisporium of water cavity, and every outlet hole group includes two at least apopores, so can ensure that the rivers that spray are more even, reliable to the rivers that jet flow comes out have stronger impact force, can improve the washing effect that sprays to the clothing, and the clothing is washed the effect better.
Compared with the prior art, the washing machine has the following beneficial effects:
the washing machine can avoid the problem that when the operation fails, water overflows the outer barrel cover, is discharged to the outside of the outer barrel in a non-directional manner and splashes onto electric devices to cause potential safety hazards, and the capacity of the washing machine is increased;
the spraying water flow of the washing machine is more reliable and stable, the spraying washing effect is better, the clothes washing rate of the washing machine is higher, the washing machine better meets the requirements of customers, and the market prospect is good.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (11)

1. The outer barrel cover with the overflow protection structure is characterized in that the outer barrel cover (100) comprises an upper cover body (101) and a lower cover body (102), the upper cover body (101) is connected with the lower cover body (102) to form a water cavity (1), the outer barrel cover (100) is provided with a water inlet (3), the overflow protection structure is arranged at the upper part of the outer barrel cover (100), and the overflow protection structure guides overflowed water filled in the water cavity (1) to the outside of the outer barrel in a directional manner;
the overflow protection structure can guide the water which is filled with abnormal water and overflows in the water cavity 1 to the position between the outer barrel and the washing machine box body and without electric element in a directional way;
the overflow protection structure is a water drainage hole (5) which is arranged on the upper cover body (101) and communicated with the upper part of the water cavity (1); the water drainage hole is arranged on the side wall of the upper cover body (101);
a plurality of grid ribs (7) which extend from the bottom end of the drain hole (5) to the top surface of the outer barrel cover (100) and penetrate through the height of the drain hole (5) are arranged outside the drain hole (5), and an independent drain channel is formed between every two adjacent grid ribs (7);
a plurality of water outlets are arranged on the inner peripheral wall of the water cavity (1), and a water inlet (3) is arranged on the outer barrel cover (100); water enters the water cavity (1) from the water inlet (3) and is sprayed into the inner barrel through the water outlet.
2. An outer barrel cover with an overflow protection structure according to claim 1, wherein a water blocking rib (6) is arranged in the water cavity (1) opposite to the drain hole (5), and the water blocking rib (6) comprises a first portion for blocking the lower part of the drain hole (5) and a second portion extending from the upper end of the first portion and bending towards the inner peripheral wall of the water cavity (1).
3. The outer barrel cover with the overflow water protection structure as claimed in claim 1, wherein the bottom end of the drain hole (5) is provided with an arc-shaped reinforcing rib along the circumferential direction of the side peripheral wall of the outer barrel cover (100).
4. An outer barrel cover with an overflow protection structure according to any one of claims 1-3, wherein a plurality of water outlets are arranged on the inner peripheral wall of the water cavity (1), a water homogenizing rib (2) with a length extending along the circumferential direction of the outer barrel cover (100) is arranged at the position where the water cavity (1) is communicated with the water inlet (3), and water inlet is blocked by the water homogenizing rib (2) to be distributed to the water cavities (1) at two sides of the water inlet (3) and is uniformly sprayed to the inner barrel through the water outlets.
5. An overflow protection structure of a barrelhead according to claim 4, wherein the water-homogenizing rib (2) is arranged on the inner surface of the upper cover body (101) or the lower cover body (102), and the water-homogenizing rib (2) separates the water inlet (3) from the water outlet on the inner peripheral wall of the water cavity (1) opposite to the water inlet.
6. The outer barrel cover with the overflow protection structure according to claim 5, wherein the water homogenizing rib (2) comprises a middle rib and left and right section ribs arranged on the left and right sides of the middle rib, the central axis of the middle rib coincides with the central axis of the water inlet (3), the length of the middle rib is not less than the water inlet width at the communication part of the water inlet (3) and the water cavity (1), and the lower end surface of the middle rib is in sealing contact with the inner surface of the lower cover body (102) or the upper end surface of the middle rib is in sealing contact with the inner surface of the upper cover body (101).
7. The outer barrel cover with the overflow protection structure according to claim 1, wherein the inner peripheral wall of the water cavity (1) is provided with a plurality of water outlet holes, and the outer barrel cover (100) is provided with a water inlet (3); water enters the water cavity (1) from the water inlet (3) and is sprayed into the inner barrel through the water outlet.
8. An overflow protection structure of a bucket cover according to claim 7 wherein each outlet hole is independently and uniformly distributed on the inner peripheral wall of the water cavity (1); or the water outlet holes are arranged into a plurality of water outlet hole groups (400) which are uniformly distributed on the inner peripheral wall of the water cavity (1), and each water outlet hole group (400) comprises at least two water outlet holes.
9. An overflow water protection structure of a tub cover according to claim 8, wherein the distances between the water outlet holes in the water outlet hole groups (400) are set to be the same or different.
10. An overflow water protecting structure of a toilet according to claim 8, wherein the intervals between the water outlet hole groups (400) are set to be the same or different.
11. A washing machine characterized by having an outer tub cover (100) with an overflow preventing structure as claimed in any one of claims 1 to 10.
CN201710329429.9A 2017-05-11 2017-05-11 Outer barrel cover with overflow protection structure and washing machine Active CN108866960B (en)

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CN114164617B (en) * 2020-09-10 2023-11-17 无锡小天鹅电器有限公司 Laundry treatment apparatus and cover case thereof
CN114164616B (en) * 2020-09-10 2023-11-10 无锡小天鹅电器有限公司 Laundry treatment apparatus and cover case thereof

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Effective date of registration: 20210924

Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

Applicant after: Haier Smart Home Co., Ltd.

Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

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