WO2018196647A1 - Dispositif de pulvérisation auto-rotatif et machine à laver - Google Patents

Dispositif de pulvérisation auto-rotatif et machine à laver Download PDF

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Publication number
WO2018196647A1
WO2018196647A1 PCT/CN2018/083278 CN2018083278W WO2018196647A1 WO 2018196647 A1 WO2018196647 A1 WO 2018196647A1 CN 2018083278 W CN2018083278 W CN 2018083278W WO 2018196647 A1 WO2018196647 A1 WO 2018196647A1
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WO
WIPO (PCT)
Prior art keywords
self
spray
rotating
hole
water
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Application number
PCT/CN2018/083278
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English (en)
Chinese (zh)
Inventor
赵志强
李洋
Original Assignee
青岛海尔滚筒洗衣机有限公司
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Publication date
Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2018196647A1 publication Critical patent/WO2018196647A1/fr

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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
    • 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
    • D06F39/088—Liquid supply arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means

Definitions

  • the present invention relates to the field of washing machine technology, and in particular to a spin-drying device for a washing machine and a washing machine therewith.
  • the water spray clothing device, the door and window spray device and the water circulation spray device of the existing washing machine have a small spray range of the shower head and a poor spray effect.
  • the spray device is made larger, or multiple spray devices are installed. However, doing so increases the space occupied by the shower device and increases the size of the washing machine, while increasing the consumption of water and energy.
  • Chinese Patent Application No. 201610514730.2 discloses a shower device for a washing machine and a washing machine therewith, the sprinkler device comprising: an inlet pipe and a sprinkler assembly, the sprinkler assembly being rotatably disposed at the inlet pipe The water outlet end, and the rotating central axis of the sprinkler assembly is the axis of the water outlet end of the inlet pipe.
  • the sprinkler head assembly defines a flow guiding cavity, the guiding cavity communicates with the inlet pipe, and the sprinkler assembly has a flow guiding a water outlet connected to the cavity, and the water outlet is inclined with respect to the central axis of rotation, and a flow guiding surface is formed on the surface of the flow guiding cavity opposite to the water outlet end of the water inlet pipe, and the flow guiding surface faces away in a direction around the central axis of rotation
  • the direction of the outlet end of the inlet pipe is inclined.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a spin-drying device for a washing machine and a washing machine therewith.
  • a self-rotating shower device including
  • a sprinkler head wherein the sprinkler head is provided with a through hole through which the water supply flow passes, one end of the through hole is a water inlet, and the other end is a water outlet, and the water inlet is connected to the water inlet pipe;
  • a self-rotating nozzle disposed in a through hole at the sprinkler water outlet, the self-rotating nozzle comprising a hollow body, an impeller disposed in the body, and a rotating shaft, the end of the body being The main nozzle hole is disposed at least partially outside the water outlet and the portion of the body is provided with a circumferential spray hole, and the spray water flow impacts the impeller to rotate, and changes the spray water direction of the partial water flow.
  • a part of the shower water is ejected from a circumferential nozzle hole on the body, and at least one circumferential nozzle hole is disposed on the body.
  • the circumferential nozzle hole is evenly distributed in the circumferential direction.
  • the body protrudes from the portion outside the water outlet, and the shape and size of each circumferential nozzle are the same.
  • a part of the spray water is sprayed from the main spray hole of the self-rotating nozzle body along the rotation axis a of the impeller within an angle A, and the angle A is the connection from the center of the impeller to the edge of the main spray hole.
  • the angle between the line and the axis of rotation a of the impeller is twice.
  • the angle A is related to the inner radius R of the main orifice, and is also related to the distance L from the center of the impeller to the edge of the main orifice, and the ratio R/L ⁇ 0.2, preferably, R ⁇ 2mm, L ⁇ 10mm.
  • the impeller includes at least two propeller blades, the propeller blades extending at least partially along the rotation axis, and the inclination directions of the propeller blades are the same.
  • the propeller blades have the same shape and size along the rotation axis. The circumferential direction is evenly distributed.
  • the starting end of the propeller blade extends in parallel along the axis of rotation, the upper end surface of which is perpendicular to the axis of rotation; the end of the propeller blade is disposed parallel to the starting end, between the starting end of the one propeller blade and the end of the adjacent propeller blade
  • the distance in the direction of the vertical rotation axis is B, and the distance 0 ⁇ B ⁇ the diameter of the rotation axis.
  • the self-rotating nozzle is detachably disposed in the through hole at the sprinkler water outlet, and preferably, the self-rotating nozzle is rotatably engaged at the sprinkler water outlet
  • a card-shaped annular boss is disposed outside the starting end of the body, and a matching snap-fit structure is disposed in the shower head. More preferably, a ball or a ball bearing is disposed at the snap-fit structure.
  • the rotating shaft and the impeller are integrally formed with the body; or the rotating shaft and the impeller are fixedly connected to the body.
  • a limiting structure is disposed outside the shower head to limit the installation of the shower head.
  • the invention also proposes a washing machine having the above spray device.
  • the present invention has the following advantageous effects compared with the prior art.
  • the spray range is obviously improved while the spray effect of the main spray direction is not weakened, and the spray efficiency and effect are improved;
  • Figure 1 is a schematic view of a spin-drying device of the present invention
  • Figure 2 is a cross-sectional view of the spin-drying device of the present invention.
  • Figure 3 is an exploded view of the installation of the spin-drying device of the present invention.
  • Figure 4 is a plan view of the spin nozzle of the present invention.
  • Figure 5 is a side view of the spin nozzle of the present invention
  • Figure 6 is a cross-sectional view taken along line C-C of Figure 4.
  • Figure 7 is a cross-sectional view taken along line D-D of Figure 4.
  • Figure 8 is a schematic view 1 of the installation of the self-rotating spray device according to the embodiment of the present invention.
  • FIG. 9 is a second schematic view showing the installation of the spin-drying device according to the embodiment of the present invention.
  • mounting and "connecting” are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly stated and defined.
  • Ground connection it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a self-rotating shower device 1 includes
  • the shower head 11 is provided with a through hole through which the water supply flow passes.
  • One end of the through hole is a water inlet 111, and the other end is a water outlet 112, and the water inlet 111 is connected to the water inlet pipe;
  • the self-rotating nozzle 12 is disposed in a through hole at the water outlet 112 of the shower head 11, and the self-rotating nozzle 12 includes a hollow body, an impeller 121 and a rotating shaft 122 disposed in the body.
  • the end 1213 of the body is a main spray hole 1231.
  • the body 123 is at least partially protruded from the water outlet 112 and the portion of the body is provided with a circumferential spray hole 1232.
  • the spray water flows against the impeller 121 to rotate and change.
  • the spin-drying device 1 is suitable for various types of washing machines having a spray demand.
  • the spin-drying device 1 of the present invention can be installed at a plurality of positions of the washing machine, such as an outer cylinder casing, a door and window, a sealing window mat 3, and the like. It is used for water spray clothing, door and window spray and water circulation spray of washing machine.
  • the spin-drying device 1 is provided with a shower head 11 and a self-rotating nozzle 12, and one end of the shower head 11 is connected to the water inlet pipe of the washing machine or the spray inlet pipe is the water inlet 111, and the other end is sprayed with water.
  • the self-rotating nozzle 12 includes a hollow body, an impeller 121 disposed in the body, and a rotating shaft 122.
  • the impeller 121 and the rotating shaft 122 are fixedly disposed in the body, and the body is rotatably disposed in the shower head 11; the impeller 121 is rotatably disposed in the body, and the The body is non-rotatably disposed within the shower head 11.
  • the end 1213 of the body is a main spray hole 1231.
  • the body 123 is at least partially protruded from the water outlet 112 and the portion is provided with a circumferential spray hole 1232. A part of the spray water flow is sprayed from the main spray hole 1231 of the body 123, and a part is sprayed from the circumferential spray hole 1232 on the body.
  • a part of the spray water is sprayed from the circumferential spray hole 1232 on the body, and at least one circumferential spray hole 1232 is disposed on the body.
  • the circumferential spray hole 1232 is circumferentially uniform. The portion of the body extending beyond the water outlet 112 is distributed, and the shape and size of each of the circumferential nozzle holes 1232 are the same.
  • At least one circumferential nozzle hole 1232 is provided on the body to increase the direction and angle of the spray, and to expand the spray range.
  • the circumferential nozzle hole 1232 is uniformly distributed circumferentially on a portion of the body extending beyond the water outlet 112, and each of the circumferential nozzle holes 1232 has the same shape and size for spraying the circumferential nozzle hole 1232. More uniform, the water flow from each circumferential nozzle 1232 will generate a reaction force to the self-rotating nozzle 12 itself.
  • the water spray When the shape and size of the nozzle are the same and evenly distributed on the body of the self-rotating nozzle 12, the water spray The interaction between the opposing reaction forces can be counteracted without generating a single direction of force on the body of the self-rotating nozzle 12 to cause it to gradually deflect.
  • a part of the spray water is sprayed from the main injection hole 1231 of the body 123 of the rotary nozzle 12 along the rotation axis a of the impeller 121 at an angle A, and the angle A is the center of the impeller 121 to the main
  • the angle between the line connecting the edge of the orifice 1231 and the axis of rotation a of the impeller 121 is twice.
  • the angle A is related to the inner radius R of the main injection hole 1231, and the distance L from the center of the impeller 121 to the edge of the main injection hole 1231 is also related, and the ratio R/L ⁇ 0.2.
  • the angle A is related to the inner radius R of the main injection hole 1231.
  • the distance L from the center to the edge of the main orifice 1231 is also related.
  • the impeller 121 includes at least two propeller blades 1211 extending at least partially along the rotation axis 122.
  • the inclination directions of the propeller blades 1211 are the same.
  • the propeller blades 1211 have the same shape and size. And distributed uniformly along the circumference of the rotating shaft 122.
  • the self-rotating nozzle 12 includes at least two propeller blades 1211, and the self-rotating nozzle 12 may include two propeller blades 1211. It may also include three, four or five, six or even more propeller blades 1211, but preferably between three and six, without reducing the speed and strength of the self-rotation due to the small number of propeller blades 1211. And the possibility of self-rotation does not complicate the structure due to the large number of propeller blades 1211.
  • the propeller blade 1211 extends at least partially along the rotation axis 122 in order to encounter resistance when the spray water flow impacts and convert the resistance into rotational power.
  • the propeller blades 1211 may all extend obliquely along the rotation axis 122.
  • the tilting extension of each of the propeller blades 1211 may be the same; the propeller blades 1211 have the same inclination direction for the rotation of the same direction, so that the rotation power does not have different directions, and the power is mutually canceled, and the rotation speed cannot be self-rotating or self-rotating.
  • each of the propeller blades 1211 has the same shape and size, and is evenly distributed along the circumference of the rotating shaft 122 in order to obtain rotational power in the same direction. In this case, the self-rotating nozzle 12 is generated. There is no other form of resistance when rotating, making the spin more smooth and easier.
  • the starting end 1212 of the propeller blade 1211 extends in parallel along the rotating shaft 122, and the upper end surface thereof is perpendicular to the rotating shaft 122; the end 1213 of the propeller blade 1211 is disposed in parallel with the starting end 1212, and the one propeller blade 1211 is
  • B The distance between the starting end 1212 and the end 1213 of its adjacent propeller blade 1211 in the direction of the vertical axis of rotation 122 is B, which is 0 ⁇ B ⁇ the diameter of the rotating shaft 122.
  • the starting end 1212 of the propeller blade 1211 extends in parallel along the rotating shaft 122, and the upper end surface thereof is perpendicular to the rotating shaft 122. It is intended to guide and divert the water flow as it begins to flow through the spin nozzle 12 at the beginning.
  • the end 1213 of the propeller blade 1211 is disposed in parallel with the starting end 1212 in order to fully utilize the water flow force and improve efficiency; the vertical axis of rotation 122 between the starting end 1212 of the one propeller blade 1211 and the end 1213 of its adjacent propeller blade 1211
  • the distance of the direction is B, and the distance 0 ⁇ B ⁇ the diameter of the rotating shaft 122, in order to make full use of the water flow force and improve the efficiency without interfering with the water flow, in this case, the water does not flow too long in the propeller blade 1211.
  • the distance is reduced by the flow rate and the rotation speed.
  • a part of the water flows out directly through the distance B, which enhances the water flow.
  • the self-rotating nozzle 12 is detachably disposed in the through hole at the water outlet 112 of the shower head 11.
  • the self-rotating nozzle 12 is rotatably coupled to the shower head 11 In the through hole at the water outlet 112, a latching annular boss 1233 is disposed outside the starting end 1212 of the body 123.
  • the shower head 11 is provided with a matching snapping structure 114. More preferably, the card is provided. Ball or ball bearings are provided at the joint structure 114.
  • the self-rotating nozzle 12 is detachably disposed in the through hole at the water outlet 112 of the shower head 11, and is detachably arranged to facilitate maintenance of the spin-drying device 1, for example When the spray structure is clogged by bristles or the like, the self-rotating nozzle 12 can be detached to perform operations such as dredging and cleaning the batt.
  • the latching annular boss 1233 disposed outside the starting end 1212 of the body 123 and the engaging structure 114 disposed therein in the shower head 11 enable the body 123 of the spin nozzle 12 to be rotatable.
  • a latching annular boss 1233 is disposed outside the starting end 1212 of the body 123.
  • a matching latching structure 114 is disposed in the shower head 11, and the latching structure 114 disposed in the showerhead 11 can be disposed at At the reduced diameter of the inner diameter of the shower head 11, a snap groove may be provided in the shower head 11.
  • a structure for reducing wear is disposed between the latching annular boss 1233 and the engaging structure 114, and a preferred manner is to set at the latching structure 114. Ball or ball bearings.
  • rotating shaft 122 and the impeller 121 are integrally formed with the body 123; or the rotating shaft 122, the impeller 121 and the body 123 are fixedly connected.
  • the rotating shaft 122, the impeller 121 and the body 123 are integrally formed without relative movement between each other; the rotating shaft 122, the impeller 121 and the body 123 are fixedly connected, then the three There is no relative rotational motion between them.
  • a limiting structure 113 is disposed outside the shower head 11 to limit the installation of the spin-drying device 1 .
  • the shower head 11 is detachably disposed in the mounting hole 2 provided in the washing machine, and the limiting structure 113 is disposed outside the shower head 11 to limit the position of the shower head 11
  • the mounting in the mounting hole 2 prevents the sprinkler 11 from being installed loosely or detached from the installation or the swaying range of the shower head 11 is affected by the swaying caused by the rotation of the rotating nozzle 12 after the start of the spraying. Spray effect, etc.
  • the limiting structure 113 may be an annular limiting groove, or may be a limiting groove or a protrusion, and the mounting hole 2 is disposed in a structure such as a limiting groove or a protrusion, or a limit.
  • the structure 113 is a threaded structure that matches the mounting hole 2.
  • the present invention also provides a washing machine including a mounting hole 2 in which the spin-drying device 1 is detachably disposed.
  • the spin-drying device 1 is disposed on a drum washing machine.
  • it is mounted on a sealing window mat 3 of a drum washing machine.
  • the sealing window mat 3 has a The air inlet 4 is convenient for the drying system to supply air.
  • the sealing window mat 3 of the non-drying type drum washing machine does not have this structure.
  • At least one mounting hole 2 is disposed on the sealing window pad 3, and the spin-drying device 1 is detachably disposed in the mounting hole 2.
  • the spin-drying device 1 includes
  • the shower head 11 is provided with a through hole through which the water supply flow passes.
  • One end of the through hole is a water inlet 111, and the other end is a water outlet 112, and the water inlet 111 is connected to the water inlet pipe;
  • the self-rotating nozzle 12 is disposed in a through hole at the water outlet 112 of the shower head 11, and the self-rotating nozzle 12 includes a hollow body, an impeller 121 and a rotating shaft 122 disposed in the body.
  • the end 1213 of the body is a main spray hole 1231.
  • the body 123 is at least partially protruded from the water outlet 112 and the portion of the body is provided with a circumferential spray hole 1232.
  • the spray water flows against the impeller 121 to rotate and change.
  • the shower water is partially ejected from the circumferential injection hole 1232 on the body, and at least one circumferential injection hole 1232 is disposed on the body, and the circumferential injection hole 1232 is uniformly distributed circumferentially in the body extension.
  • the portion outside the outlet port 112 is the same in shape and size of each circumferential nozzle hole 1232.
  • a part of the spray water is sprayed from the main spray hole 1231 of the body 123 of the rotary nozzle 12 along the rotation axis a of the impeller 121 at an angle A, and the angle A is the center of the impeller 121 to the main injection hole 1231.
  • the angle between the line of the edge and the axis of rotation a of the impeller 121 is twice.
  • the angle A is related to the inner radius R of the main injection hole 1231, and is also related to the distance L from the center of the impeller 121 to the edge of the main injection hole 1231, and the ratio R/L ⁇ 0.2, which is preferable. , R ⁇ 2 mm, L ⁇ 10 mm.
  • the impeller 121 includes five propeller blades 1211 extending at least partially along the rotating shaft 122.
  • the propeller blades 1211 have the same oblique direction, the same shape and size, and are circumferentially along the rotating shaft 122. Evenly distributed.
  • the starting end 1212 of the propeller blade 1211 extends in parallel along the rotating shaft 122, and its upper end surface is perpendicular to the rotating shaft 122; the end 1213 of the propeller blade 1211 is disposed in parallel with the starting end 1212, and the starting end 1212 of the one propeller blade 1211
  • the distance from the direction of the vertical rotation axis 122 between the end 1213 of the adjacent propeller blade 1211 is B, and the distance 0 ⁇ B ⁇ the diameter of the rotation shaft 122.
  • the self-rotating nozzle 12 is rotatably engaged in a through hole at the water outlet 112 of the shower head 11.
  • the starting end 1212 of the body 123 is provided with a latching annular boss 1233.
  • a matching snap-fit structure 114 is disposed in the eleven, and the ball-fitting structure 114 is provided with balls.
  • the rotating shaft 122 and the impeller 121 are integrally formed with the body 123.
  • a limiting structure 113 is disposed outside the shower head 11 to limit the installation of the spin-drying device 1 .
  • the limiting structure 113 is an annular limiting groove.
  • the spin-drying device 1 is disposed on a drum washing machine, which is installed on the sealing window pad 3 of the drum washing machine in the embodiment, and the sealing window pad 3 is mounted on the sealing window pad 3 .
  • the utility model has an air inlet 4 for facilitating air supply from the drying system.
  • the sealing window mat 3 of the non-drying type drum washing machine does not have the structure.
  • At least one mounting hole 2 is disposed on the sealing window pad 3, and the spin-drying device 1 is detachably disposed in the mounting hole 2.
  • the spin-drying device 1 includes
  • the shower head 11 is provided with a through hole through which the water supply flow passes.
  • One end of the through hole is a water inlet 111, and the other end is a water outlet 112, and the water inlet 111 is connected to the water inlet pipe;
  • the self-rotating nozzle 12 is disposed in a through hole at the water outlet 112 of the shower head 11, and the self-rotating nozzle 12 includes a hollow body, an impeller 121 and a rotating shaft 122 disposed in the body.
  • the end 1213 of the body is a main spray hole 1231.
  • the body 123 is at least partially protruded from the water outlet 112 and the portion of the body is provided with a circumferential spray hole 1232.
  • the spray water flows against the impeller 121 to rotate and change.
  • the self-rotating nozzle 12 is non-rotatably engaged in a through hole at the water outlet 112 of the shower head 11, and the shower head 11 is arranged to prevent it from being under the impact of water flow.
  • the impeller 121 is rotatably coupled to the body 123 of the spin nozzle 12 .

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

Abstract

L'invention concerne un dispositif de pulvérisation auto-rotatif (1) et une machine à laver. Le dispositif de pulvérisation auto-rotatif (1) comprend : une tête de pulvérisation (11), un trou traversant à travers lequel passe un flux d'eau étant disposé dans la tête de pulvérisation (11), une extrémité du trou traversant est une entrée d'eau (111) et l'autre extrémité de celui-ci est une sortie d'eau (112), et l'entrée d'eau (111) est reliée à un tuyau d'entrée d'eau ; et une buse auto-rotative (12), la buse auto-rotative (12) étant disposée dans le trou traversant, au niveau de la sortie d'eau (112), de la tête de pulvérisation (11), et la buse auto-rotative (12) comprend un corps creux (123), une roue (121) disposée dans le corps (123), et un arbre rotatif (122). Une extrémité terminale du corps (123) est un orifice de pulvérisation principal (1231) ; le corps (123) est agencé pour faire saillie au moins partiellement à partir de la sortie d'eau (112) ; et des orifices de pulvérisation circonférentiels (1232) sont disposés dans la partie du corps (123). La roue (121) est amenée à tourner au moyen de l'impact provenant des flux d'eau pulvérisés, ce qui permet de modifier la direction de l'eau pulvérisée d'une partie du flux d'eau. Le dispositif de pulvérisation auto-rotatif (1) augmente sensiblement la plage de pulvérisation, améliore l'efficacité et les effets de pulvérisation, et présente une structure simple, moins de composants et de faibles coûts, et est hautement fiable.
PCT/CN2018/083278 2017-04-28 2018-04-17 Dispositif de pulvérisation auto-rotatif et machine à laver WO2018196647A1 (fr)

Applications Claiming Priority (2)

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CN201710293843.9 2017-04-28
CN201710293843.9A CN108796952B (zh) 2017-04-28 2017-04-28 一种自旋转喷淋装置及洗衣机

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WO2018196647A1 true WO2018196647A1 (fr) 2018-11-01

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CN109722859A (zh) * 2019-01-10 2019-05-07 长虹美菱股份有限公司 一种灯光喷淋结构及喷淋控制系统
CN110238104A (zh) * 2019-06-28 2019-09-17 无锡双益精密机械有限公司 一种轴承清洁用冲洗结构
CN114180750A (zh) * 2021-11-25 2022-03-15 安徽中持环境科技有限公司 一种铜基多金属冶炼渣用污水处理装置
CN117531615A (zh) * 2024-01-10 2024-02-09 山东丰田节水器材股份有限公司 一种园林节水灌溉用喷嘴及其灌溉方法

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CN113080744A (zh) * 2021-04-29 2021-07-09 河南省儿童医院郑州儿童医院 一种儿童肛周清洗装置
CN113828086B (zh) * 2021-09-25 2022-08-30 成都新豪鼎盛建材有限公司 一种混凝土厂区喷淋降尘系统
CN114470587A (zh) * 2022-02-16 2022-05-13 叶毅 一种消防灭火用可循环使用喷淋头

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