CN108796953B - Self-rotating spraying device and washing machine - Google Patents
Self-rotating spraying device and washing machine Download PDFInfo
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- CN108796953B CN108796953B CN201710295038.XA CN201710295038A CN108796953B CN 108796953 B CN108796953 B CN 108796953B CN 201710295038 A CN201710295038 A CN 201710295038A CN 108796953 B CN108796953 B CN 108796953B
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- impeller
- rotating shaft
- spray
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
Abstract
The invention discloses a self-rotating spraying device and a washing machine, wherein the self-rotating spraying device comprises a spraying head, a through hole for water flow to pass through is arranged in the spraying head, one end of the through hole is a water inlet, the other end of the through hole is a water outlet, and the water inlet is connected with a water inlet pipeline; the self-rotating assembly is arranged in a through hole at the water outlet of the spray head and comprises a bearing seat, a rotating shaft and an impeller arranged on the rotating shaft, the impeller is impacted by spray water flow to rotate, and the spray water outlet direction of partial water flow is changed. The self-rotating spraying device obviously improves the spraying range and the spraying efficiency and effect; and the structure is simple, the number of parts is small, the cost is low, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a self-rotating spraying device for a washing machine and the washing machine with the same.
Background
The existing washing machine is provided with a water inlet clothes spraying device, a door and window spraying device and a water circulation spraying device, and the spraying range of a spraying head is small, so that the spraying effect is poor.
In general, in order to enhance the spraying effect, people make the spraying device large or install a plurality of spraying devices. But this increases both the space occupied by the spray device and thus the volume of the washing machine, and the consumption of water and energy.
Chinese patent application No. 201610514730.2 discloses a spray device for a washing machine and a washing machine having the same, the spray device including: inlet tube and shower head subassembly, the shower head subassembly is rotatably established at the play water end of inlet tube, and the rotation center axle of shower head subassembly is the axis of the play water end of inlet tube, inject the water conservancy diversion chamber in the shower head subassembly, water conservancy diversion chamber and inlet tube intercommunication, and have the delivery port with water conservancy diversion chamber intercommunication on the shower head subassembly, and the delivery port inclines for rotation center axle, the water conservancy diversion intracavity is formed with the water conservancy diversion face on the surface relative with the play water end of inlet tube, the water conservancy diversion face inclines towards the direction of the play water end of keeping away from the inlet tube on the direction of encircleing rotation center axle. Although the spraying device can enable the water flow flowing out of the water outlet to form 360-degree all-directional rotation spraying, the spraying coverage area is large, but the problem of weak spraying water flow can be brought while the spraying area is large. In the actual work of the washing machine, the spraying range is properly increased on the basis of the original spraying direction, but the original spraying direction is greatly weakened by the above patent, and the spraying effect is relatively unsatisfactory.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a self-rotating spraying device for a washing machine and the washing machine with the same.
In order to solve the technical problems, the invention adopts the technical scheme that: a self-rotating spray device comprises
The spray head is internally provided with a through hole for water flow to pass through, one end of the through hole is a water inlet, the other end of the through hole is a water outlet, and the water inlet is connected with a water inlet pipeline;
the self-rotating assembly is arranged in a through hole at the water outlet of the spray head and comprises a bearing seat, a rotating shaft and an impeller arranged on the rotating shaft, the impeller is impacted by spray water flow to rotate, and the spray water outlet direction of partial water flow is changed.
The spraying water sprays within the range of an included angle A along the rotation axis a of the impeller, and the included angle A is twice of the included angle between the connecting line from the center of the impeller to the edge of the water outlet and the rotation axis a of the impeller.
The size of the included angle A is related to the inner radius R at the water outlet and the distance L from the center of the impeller to the edge of the water outlet, and the ratio R/L of the included angle A to the distance L is more than or equal to 0.2.
The impeller comprises at least two propeller blades, the propeller blades extend at least partially along the rotating shaft in an inclined mode, the inclined extending direction of each propeller blade is the same, and preferably, the propeller blades are the same in shape and size and are evenly distributed along the circumferential direction of the rotating shaft.
The starting ends of the propeller blades extend in parallel along the rotating shaft, and the upper end surfaces of the propeller blades are perpendicular to the rotating shaft.
The tail ends of the propeller blades are arranged in parallel with the starting end, the distance between the starting end of one propeller blade and the tail end of the adjacent propeller blade at the starting end in the direction perpendicular to the rotating shaft is B, and the distance B is more than or equal to 0 and less than or equal to the diameter of the rotating shaft.
The rotating shaft and the impeller are integrally formed; or the center of the impeller is provided with a shaft hole, and the rotating shaft penetrates through the shaft hole.
The self-rotating assembly comprises two bearing seats, the rotating shaft is connected between the two bearing seats, and the self-rotating assembly is arranged in the spray header through the bearing seats.
The self-rotating assembly is detachably arranged in the spray head, and a first limiting structure is arranged in the spray head and used for limiting the self-rotating assembly to move towards the water outlet; and a second limiting structure is arranged outside the spray header, and the spray header is installed in a limiting manner.
The invention also provides a washing machine with the spraying structure.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The spraying range is obviously improved and the spraying efficiency and effect are improved while the spraying effect in the main spraying direction is not weakened;
2. the clothes are sprayed more quickly and thoroughly when the clothes begin to be washed, the doors and windows are sprayed more cleanly without foam, the spraying coverage range in the water circulation process is wider, and the effect is better;
3. simple structure, few parts, low cost and high reliability.
The following describes embodiments of the present invention in further detail with reference to 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 an exploded view of a self-rotating spray device installation of the present invention;
FIG. 2 is a partial schematic view of a self-rotating assembly;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 5 is a first schematic view of a self-rotating spray device according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of the cross-sectional view taken along line D-D of FIG. 5;
fig. 7 is a second schematic view illustrating the installation of a self-rotating spraying device according to an embodiment of the present invention.
In the figure: 1. a self-rotating spray device; 11. a shower head; 111 a water inlet; 112. a water outlet; 113. a second limit structure; 12. a self-rotating component; 121. an impeller; 1211. a propeller blade; 1212. a starting end; 1213. a terminal end; 122. a rotating shaft; 123. a bearing seat; 2. Mounting holes; 3. sealing the window gasket; 4. an air inlet; l, the distance from the center of the impeller to the edge of the water outlet; r, inner radius of the water outlet.
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", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; 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.
The following further describes embodiments of the present invention with reference to the accompanying drawings.
As shown in FIGS. 1 to 7, a self-rotating spray device 1 includes
The spray head 11 is provided with a through hole for water flow to pass through, one end of the through hole is a water inlet 111, the other end of the through hole is a water outlet 112, and the water inlet 111 is connected with a water inlet pipeline;
the self-rotating assembly 12 is arranged in a through hole at the water outlet 112 of the spray head 11, the self-rotating assembly 12 comprises a bearing seat, a rotating shaft 122 and an impeller 121 arranged on the rotating shaft 122, and the spraying water flow impacts the impeller 121 to rotate so as to change the spraying water outlet direction of partial water flow.
In the above scheme, the self-rotating spraying device 1 is suitable for various types of washing machines with spraying requirements. The self-rotating spraying device 1 can be arranged at a plurality of positions of the washing machine, such as an outer cylinder shell, a door and window, a sealing window gasket 3 and the like. The spraying device is used for water inlet spraying clothes, door and window spraying, water circulation spraying and the like of the washing machine. The self-rotating spraying device 1 is provided with a spraying head 11 and a self-rotating assembly 12, one end of the spraying head 11 is connected with a water inlet pipeline of the washing machine or the spraying water inlet pipeline is a water inlet 111, the other end of the spraying water outlet pipeline is a water outlet 112, and spraying water flows pass through a through hole between the water inlet 111 and the water outlet 112. The self-rotating assembly 12 includes a bearing housing, a rotating shaft 122, and an impeller 121 disposed on the rotating shaft 122. The bearing seat supports the rotating shaft 122 and is detachably connected with the spray header 11; the rotating shaft 122 is rotatably connected or fixedly connected with the bearing seat and fixedly connected or rotatably connected with the impeller 121, when the rotating shaft 122 is fixedly connected with the impeller 121, the rotating shaft is rotatably connected with the bearing seat, and when the rotating shaft 122 is rotatably connected with the impeller 121, the rotating shaft is fixedly connected with the bearing seat; the impeller 121 is integrally formed with or fixedly or rotatably connected to the rotary shaft 122.
Further, the sprayed water is sprayed within an included angle a along a rotation axis 122 a of the impeller 121, where the included angle a is twice an included angle between a connection line from the center of the impeller 121 to the edge of the water outlet 112 and the rotation axis a of the impeller 121.
In the above scheme, after the spraying water flow enters from the water inlet 111 of the spray header 11, the spraying water flow impacts the impeller 121 to rotate, the rotating impeller 121 has a turbulent flow effect, and the water flow direction is changed to spray along the axis a of the rotating shaft 122 within the range of the included angle a.
Further, the size of the included angle a is related to the inner radius R at the water outlet 112 and the distance L from the center of the impeller 121 to the edge of the water outlet 112, and the ratio R/L of the two is greater than or equal to 0.2.
Preferably, R is more than or equal to 2mm, and L is less than or equal to 10 mm.
In the above scheme, the size of the included angle a is related to the inner radius R at the water outlet 112, and the larger the inner radius is, the larger the included angle a is; the size of the included angle a is also related to the distance L from the center of the impeller 121 to the edge of the water outlet 112, and the larger the distance is, the smaller the included angle is; the ratio R/L of the two is more than or equal to 0.2, and the larger the ratio of the two is, the larger the spraying range is.
Further, the impeller 121 includes at least two propeller blades 1211, the propeller blades 1211 extend at least partially along the rotation axis 122 in an inclined manner, the inclined direction of the propeller blades 1211 is the same, and preferably, the propeller blades 1211 have the same shape and size and are uniformly distributed along the circumference of the rotation axis 122.
In the above solution, in order to realize the self-rotation of the self-rotating assembly 12 under the impact of the spray water flow, the impeller 121 at least comprises two propeller blades 1211, and the self-rotating assembly 12 may comprise two propeller blades 1211, and may also comprise three, four, or five, six, or even more propeller blades 1211, but preferably between three and six, without reducing the self-rotation speed, force and self-rotation possibility due to the small number of propeller blades 1211, and without complicating the structure due to the too many propeller blades 1211. The propeller blades 1211 extend at least partially along the rotation axis 122 in an inclined manner, so as to encounter resistance when the spray water stream impacts and convert the resistance into rotational power, and the propeller blades 1211 may extend entirely along the rotation axis 122 in an inclined manner, or may extend partially along the rotation axis 122 in an inclined manner; the propeller blades 1211 extend in the same direction in a tilted state so as to have the same rotational power, and prevent the rotational power from being canceled by each other due to the different directions of the rotational power, thereby preventing the self-rotation or the low speed of the self-rotation. In the preferred embodiment of the above solution, the propeller blades 1211 are the same in shape and size and are uniformly distributed along the circumferential direction of the rotating shaft 122, so as to obtain the rotating power in the same direction, in this case, there is no resistance generated by other forms when the self-rotating component 12 generates self-rotation, so that the self-rotation is smoother and easier.
Further, the leading ends 1212 of the propeller blades 1211 extend in parallel along the rotation axis 122, and the upper end surfaces thereof are perpendicular to the rotation axis 122.
In the above-described aspect, the starting ends 1212 of the propeller blades 1211 extend in parallel along the rotation axis 122, and the upper end surfaces thereof are perpendicular to the rotation axis 122. To direct and divert the water flow as it initially flows through the self-rotating assembly 12.
Furthermore, the tail ends 1213 of the propeller blades 1211 are arranged in parallel with the starting end 1212, the distance between the starting end 1212 of one propeller blade 1211 and the tail end 1213 of the propeller blade 1211 adjacent to the starting end 1212 in the direction perpendicular to the rotating shaft 122 is B, and the distance is greater than or equal to 0 and less than or equal to B and less than or equal to the diameter of the rotating shaft 122.
In the above solution, the end 1213 of the propeller blade 1211 is disposed in parallel with the start end 1212, in order to fully utilize the water flow and improve the efficiency; the distance B perpendicular to the direction of the rotation axis 122 between the starting end 1212 of one propeller blade 1211 and the end 1213 of the adjacent propeller blade 1211 is 0. ltoreq. b.ltoreq.r.gtoreq.the diameter of the rotation axis 122, in order to make full use of the water flow force and to improve the efficiency without disturbing the water flow, in which case the water does not decrease the flow velocity and the rotation speed, etc. by flowing too long a distance in the propeller blades 1211. Meanwhile, part of water directly flows out through the distance B, so that the water flow force is enhanced.
Further, the rotating shaft 122 is integrally formed with the impeller 121; or a shaft hole is formed in the center of the impeller 121, and the rotating shaft 122 is inserted into the shaft hole.
In the above solution, the rotating shaft 122 is integrally formed with the impeller 121, so that the rotating shaft 122 is rotatably connected to the bearing seat; or the center of the impeller 121 is provided with a shaft hole, the rotating shaft 122 is rotatably arranged in the shaft hole in a penetrating way, and the rotating shaft 122 is fixedly connected to the bearing seat; or a shaft hole is formed in the center of the impeller 121, and the rotating shaft 122 is fixedly arranged in the shaft hole in a penetrating manner, so that the rotating shaft 122 is rotatably connected to the bearing block.
Further, the self-rotating component 12 includes two bearing seats, the rotating shaft 122 is connected between the two bearing seats, and the self-rotating component 12 is disposed in the shower head 11 through the bearing seats.
The self-rotating assembly 12 comprises two bearing seats, and when the impeller 121 is fixedly connected with the rotating shaft 122, the rotating shaft 122 is rotatably connected between the two bearing seats; when the impeller 121 is rotatably coupled to the rotary shaft 122, the rotary shaft 122 is fixedly coupled to the bearing housing.
Further, the self-rotating component 12 is detachably arranged in the spray header 11, and a first limiting structure is arranged in the spray header 11 to limit the self-rotating component 12 from moving towards the water outlet 112; and a second limiting structure 113 is arranged outside the spray header 11 and is used for limiting and mounting the spray header 11.
In the above solution, the self-rotating component 12 is detachably disposed in the shower head 11, and the detachable disposition is to facilitate maintenance of the self-rotating shower device 1, for example, when the shower structure is blocked by lint, etc., the detachable self-rotating component 12 performs operations such as dredging and cleaning lint. The self-rotating assembly 12 is arranged in the spray header 11, and in order to prevent the self-rotating structure from rushing out of the spray header 11 under the impact of water flow or moving under the impact of water flow, a first limiting structure is arranged in the spray header 11. The through hole in the spray header 11 has two different inner diameters, the inner diameter at the water outlet 112 is smaller than the inner diameter at the water inlet 111, and the variable diameter part is arranged as the first limit structure; or a limiting bulge or an annular limiting boss is arranged in the spray header 11.
The spray header 11 is detachably arranged in the mounting hole 2 arranged in the washing machine, and the second limiting structure 113 arranged outside the spray header 11 is used for limiting the mounting of the spray header 11 in the mounting hole 2, so that the spray effect and the like are prevented from being influenced by the insecure mounting or the separation from the mounting of the spray header 11 or the large shaking range of the spray header 11 due to the shaking and other actions caused by the rotation starting of the self-rotating component 12 after the spraying is started. The second limiting structure 113 may be an annular limiting groove, or may be a limiting groove or a protrusion, and the like, and a structure matched with the limiting groove or the protrusion is arranged in the mounting hole 2; or the second limiting structure 113 is a thread structure matched with the mounting hole 2.
The invention also provides a washing machine, which comprises a mounting hole 2, wherein the self-rotating spraying device 1 is detachably arranged in the mounting hole 2.
Example one
As shown in fig. 1-7, in the present embodiment, the self-rotating spraying device 1 is disposed on a drum washing machine, and in the present embodiment, is mounted on a sealing window gasket 3 of the drum washing machine, and the sealing window gasket 3 has an air inlet 4 for facilitating air supply of a drying system, although the sealing window gasket 3 of a drum washing machine of a non-drying type does not have such a structure. The sealed window gasket 3 is provided with at least one mounting hole 2, and the self-rotating spraying device 1 is detachably arranged in the mounting hole 2.
The self-rotating spray device 1 comprises
The spray head 11 is provided with a through hole for water flow to pass through, one end of the through hole is a water inlet 111, the other end of the through hole is a water outlet 112, and the water inlet 111 is connected with a water inlet pipeline;
the self-rotating assembly 12 is arranged in a through hole at the water outlet 112 of the spray head 11, the self-rotating assembly 12 comprises a bearing seat, a rotating shaft 122 and an impeller 121 arranged on the rotating shaft 122, and the spraying water flow impacts the impeller 121 to rotate so as to change the spraying water outlet direction of partial water flow.
The sprayed water sprays within an included angle a along a rotating axis 122 line a of the impeller 121, wherein the included angle a is twice of an included angle between a connecting line from the center of the impeller 121 to the edge of the water outlet 112 and the rotating axis a of the impeller 121.
The size of the included angle A is related to the inner radius R of the water outlet 112 and the distance L from the center of the impeller 121 to the edge of the water outlet 112, the ratio R/L of the included angle A to the distance L is more than or equal to 0.2, preferably, R is more than or equal to 2mm, and L is less than or equal to 10 mm.
The impeller 121 includes 5 propeller blades 1211, the propeller blades 1211 extend at least partially along the rotation axis 122 in an inclined manner, and the propeller blades 1211 have the same inclined direction, the same shape and the same size, and are uniformly distributed along the circumferential direction of the rotation axis 122.
The leading ends 1212 of the propeller blades 1211 extend in parallel along the rotation axis 122, and the upper end surfaces thereof are perpendicular to the rotation axis 122.
The tail ends 1213 and the starting ends 1212 of the propeller blades 1211 are arranged in parallel, the distance between the starting end 1212 of one propeller blade 1211 and the tail end 1213 of the adjacent propeller blade 1211 in the direction perpendicular to the rotating shaft 122 is B, and the distance B is greater than or equal to 0 and less than or equal to the diameter of the rotating shaft 122.
The rotary shaft 122 is integrally formed with the propeller blades 1211.
The self-rotating component 12 is arranged in the shower head 11 through the bearing seat, the self-rotating component 12 comprises two bearing seats, and the rotating shaft 122 is rotatably connected between the two bearing seats.
The self-rotating component 12 is detachably arranged in the spray header 11, and a first limiting structure is arranged in the spray header 11 and used for limiting the self-rotating component 12 to move towards the direction of the water outlet 112; and a second limiting structure 113 is arranged outside the spray header 11 and is used for limiting and mounting the spray header 11.
The through hole in the spray header 11 has two different inner diameters, the inner diameter at the water outlet 112 is smaller than the inner diameter at the water inlet 111, and the variable diameter part is arranged as the first limit structure; the second limit structure 113 is an annular limit groove.
Example two
As shown in fig. 1-7, in the present embodiment, the self-rotating spraying device 1 is disposed on a drum washing machine, and in the present embodiment, is mounted on a sealing window gasket 3 of the drum washing machine, and the sealing window gasket 3 has an air inlet 4 for facilitating air supply of a drying system, although the sealing window gasket 3 of a drum washing machine of a non-drying type does not have this structure. The sealed window gasket 3 is provided with at least one mounting hole 2, and the self-rotating spraying device 1 is detachably arranged in the mounting hole 2.
The self-rotating spray device 1 comprises
The spray head 11 is provided with a through hole for water flow to pass through, one end of the through hole is a water inlet 111, the other end of the through hole is a water outlet 112, and the water inlet 111 is connected with a water inlet pipeline;
the self-rotating assembly 12 is arranged in a through hole at the water outlet 112 of the spray head 11, the self-rotating assembly 12 comprises a bearing seat, a rotating shaft 122 and an impeller 121 arranged on the rotating shaft 122, and the spraying water flow impacts the impeller 121 to rotate so as to change the spraying water outlet direction of partial water flow.
Unlike the first embodiment, the impeller 121 is provided with a shaft hole at the center, and the rotating shaft 122 is disposed in the shaft hole.
A shaft hole is formed in the center of the impeller 121, the rotating shaft 122 is rotatably arranged in the shaft hole in a penetrating manner, and the rotating shaft 122 is fixedly connected to the bearing block; or a shaft hole is formed in the center of the impeller 121, and the rotating shaft 122 is fixedly arranged in the shaft hole in a penetrating manner, so that the rotating shaft 122 is rotatably connected to the bearing block.
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 (8)
1. The utility model provides a from rotary spraying device which characterized in that: comprises that
The spray head is internally provided with a through hole for water flow to pass through, one end of the through hole is a water inlet, the other end of the through hole is a water outlet, and the water inlet is connected with a water inlet pipeline;
the self-rotating assembly is arranged in a through hole at the water outlet of the spray head and comprises a bearing seat, a rotating shaft and an impeller arranged on the rotating shaft, and spray water flow impacts the impeller to rotate the impeller so as to change the spray water outlet direction of partial water flow;
the impeller at least comprises two propeller blades, at least part of the propeller blades extend obliquely along a rotating shaft, the oblique extending directions of the propeller blades are the same, the propeller blades are the same in shape and size and are uniformly distributed along the circumferential direction of the rotating shaft;
the starting ends of the propeller blades extend in parallel along the rotating shaft, and the upper end surfaces of the propeller blades are perpendicular to the rotating shaft.
2. A self-rotating spray device according to claim 1, wherein: the spraying water sprays within the range of an included angle A along the rotation axis a of the impeller, and the included angle A is twice of the included angle between the connecting line from the center of the impeller to the edge of the water outlet and the rotation axis a of the impeller.
3. A self-rotating spray device according to claim 2, wherein: the size of the included angle A is related to the inner radius R at the water outlet and the distance L from the center of the impeller to the edge of the water outlet, and the ratio R/L of the included angle A to the distance L is more than or equal to 0.2.
4. A self-rotating spray device according to claim 1, wherein: the tail ends of the propeller blades are arranged in parallel with the starting end, the distance between the starting end of one propeller blade and the tail end of the adjacent propeller blade at the starting end in the direction perpendicular to the rotating shaft is B, and the distance B is more than or equal to 0 and less than or equal to the diameter of the rotating shaft.
5. A self-rotating spray device according to claim 1, wherein: the rotating shaft and the impeller are integrally formed; or the center of the impeller is provided with a shaft hole, and the rotating shaft penetrates through the shaft hole.
6. A self-rotating spray device according to claim 1, wherein: the self-rotating assembly comprises two bearing seats, the rotating shaft is connected between the two bearing seats, and the self-rotating assembly is arranged in the spray header through the bearing seats.
7. A self-rotating spray device according to claim 1, wherein: the self-rotating assembly is detachably arranged in the spray head, and a first limiting structure is arranged in the spray head and used for limiting the self-rotating assembly to move towards the water outlet; and a second limiting structure is arranged outside the spray header, and the spray header is installed in a limiting manner.
8. A washing machine characterized by: comprising a self-rotating spray device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295038.XA CN108796953B (en) | 2017-04-28 | 2017-04-28 | Self-rotating spraying device and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295038.XA CN108796953B (en) | 2017-04-28 | 2017-04-28 | Self-rotating spraying device and washing machine |
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| Publication Number | Publication Date |
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| CN108796953A CN108796953A (en) | 2018-11-13 |
| CN108796953B true CN108796953B (en) | 2021-09-07 |
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| CN201710295038.XA Active CN108796953B (en) | 2017-04-28 | 2017-04-28 | Self-rotating spraying device and washing machine |
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| RU2031051C1 (en) * | 1992-02-12 | 1995-03-20 | Валентин Федорович Тиваньян | Water-jet propeller rotor |
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| US7066407B2 (en) * | 2004-07-26 | 2006-06-27 | Tung Hsien Lu | Shower head assembly |
| KR100662473B1 (en) * | 2006-02-20 | 2007-01-02 | 엘지전자 주식회사 | Laundry dryer with steam generator |
| CN201036767Y (en) * | 2007-05-31 | 2008-03-19 | 黄伟龙 | Rotating showering blow head |
| US7963462B1 (en) * | 2008-06-19 | 2011-06-21 | Ramos Sr John C | Recreational vehicle toilet tank cleaning assembly |
| CN103547724B (en) * | 2011-04-14 | 2016-05-04 | Lg电子株式会社 | Washing methods |
| CN202410895U (en) * | 2011-12-08 | 2012-09-05 | 吴江云峰金属购件涂装有限公司 | Rotating spreading head of static spraying gun |
| KR20150015304A (en) * | 2013-07-31 | 2015-02-10 | 주식회사 디에이피 | Cleaning apparatus |
| CN104399609A (en) * | 2014-11-24 | 2015-03-11 | 常州市威玛泰精密工具有限公司 | High-pressure nozzle |
| CN105970539B (en) * | 2016-06-30 | 2018-09-18 | 无锡小天鹅股份有限公司 | Spray equipment for washing machine and the washing machine with it |
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| RU2031051C1 (en) * | 1992-02-12 | 1995-03-20 | Валентин Федорович Тиваньян | Water-jet propeller rotor |
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| CN108796953A (en) | 2018-11-13 |
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Inventor after: Zhao Zhiqiang Inventor after: Xu Sheng Inventor after: Li Yang Inventor after: Liu Xia Inventor before: Zhao Zhiqiang Inventor before: Xu Sheng Inventor before: Li Yang |
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Effective date of registration: 20210813 Address after: Room 221, management committee of Sino German ecological park, 2877 Tuanjie Road, Huangdao District, Qingdao, Shandong 266510 Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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