CN113790169A

CN113790169A - Base assembly and bladeless fan

Info

Publication number: CN113790169A
Application number: CN202111120346.1A
Authority: CN
Inventors: 郭宏俊; 袁明; 刘润生; 宋万坤
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2021-12-14

Abstract

The invention discloses a base assembly, comprising a base body, a accommodating chamber is formed in the base body, a volute is arranged in the accommodating chamber, and a wind wheel assembly is detachably connected in the volute. Also disclosed is a bladeless fan, comprising a handpiece, and the base assembly as described above is detachably connected to the handpiece. The wind wheel assembly in the bladeless fan provided by the present invention is detachably arranged in the volute, and after long-term use, the user can disassemble the wind wheel assembly for cleaning, remove dust on the wind wheel assembly in time, and improve user experience; An installation structure is arranged on the shell, and the motor in the wind wheel assembly cooperates with the knob. When disassembling, the knob only needs to be loosened, so that the wind wheel body can be disassembled and cleaned conveniently and quickly.

Description

Base assembly and bladeless fan

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a base assembly and a bladeless fan.

Background

The bladeless fan is also called an air doubling machine, can generate natural and continuous cold wind, and cannot cover dust or hurt fingers inserted by children due to no blades. More wonderful is that the appearance is streamline and fresh. Inspiration stems from air vane hand dryers. The principle of the hand dryer is to force air through a small opening to "brush" the water on the hand, and the air doubler blows the air out of a 1.3 mm wide cut rotating around a circular ring. Because the air is forced to blow out from the circle, the air quantity passing through the circle can be increased by 15 times, and the speed per hour can be increased to 35 km/h at most.

The air wheels of the base pneumatic system cannot be detached, when only primary filter screens capable of filtering hair and the like are matched, after the fan is used for a long time, a large amount of dust or smaller particles are accumulated on the air wheels, and the air wheels are blown out to a user through the air duct of the machine head. Or after the high-efficient HEPA net of base became invalid, when the user continued to use, can give the wind wheel particulate matter such as accumulation dust, the certain adverse circumstances that brings for the user health influences user experience.

Therefore, it is highly desirable to design a base assembly and a bladeless fan to solve the above-mentioned problem that the wind wheel cannot be detached after the bladeless fan is used for a long time, and dust is accumulated on the wind wheel to affect the blowing health.

Disclosure of Invention

In order to solve the problem that fine particles such as dust and the like can be accumulated in a wind wheel after a filter screen in a base component is invalid, the invention provides the base component and a bladeless fan to solve the problem.

In order to achieve the above purpose, the base assembly and the bladeless fan of the present invention have the following specific technical solutions:

a base assembly comprises a base body, wherein an accommodating cavity is formed in the base body, a volute is arranged in the accommodating cavity, and a wind wheel assembly is detachably connected in the volute.

Further, the side wall of the base body is provided with an installation opening, the installation opening is communicated with the containing chamber, and the wind wheel component is installed in the volute in a transverse drawing mode.

Further, the volute comprises a first shell and a second shell, the first shell and the second shell are detachably connected, an opening is formed in the second shell, and the wind wheel assembly is detached or installed through the opening.

Further, be provided with the fixed part on the lateral wall of first shell, be provided with the cooperation portion on the lateral wall of second shell, it is fixed with fixed part and cooperation portion through the screw, and the tip cover of first shell and second shell is equipped with the sealing washer to make first shell and second shell sealed fixed.

Furthermore, the outer walls of the end parts of the first shell and the second shell are provided with positioning blocks, the sealing rings are provided with clamping holes, and the positioning blocks are abutted to the clamping holes.

Further, be provided with the mounting hole on the first shell, the mounting hole is provided with motor body, clicks originally to move back and is connected with the motor shaft, and the motor shaft passes the mounting hole so that motor body fixes on first shell from the outside of first shell.

Further, the wind wheel subassembly includes the wind wheel body, this internal installation department that sets up of wind wheel, and in the motor shaft inserted the mounting hole, the motor shaft and the knob fix tightly so that wind wheel subassembly detachable installs on first shell.

Furthermore, positioning holes are formed in two opposite inner walls of the base, first screw columns are arranged on the outer walls of the first shell and the second shell respectively, and the first shell and the second shell are fixedly connected with the base body through screws respectively.

Further, the base body is rotatably connected with an air inlet plate, and one side of the air inlet plate is detachably connected with the base so that the air inlet plate is fixed in the base.

Furthermore, a filter screen is arranged at a position, close to the mounting opening, of one side of the air inlet plate, and the filter screen is in interference fit with the mounting opening.

Further, a side plate is arranged on the base body, an air inlet is formed in the side plate, and the side plate and the base body are clamped mutually so that the side plate is fixed on the base.

A bladeless fan comprises a machine head, wherein the base component is detachably connected to the machine head.

The base component and the bladeless fan provided by the invention have the following advantages:

(1) the wind wheel component is detachably arranged in the volute, and after the wind wheel component is used for a long time, a user can automatically detach the wind wheel component for cleaning, so that dust on the wind wheel component can be removed in time, and the user experience is improved;

(2) be provided with mounting structure on the spiral case, motor and knob cooperation only need loosen the knob when dismantling, and convenient and fast dismantles the wind wheel body and washs.

Drawings

FIG. 1 is a schematic view of the overall structure of a bladeless fan according to the present invention;

FIG. 2 is an exploded view of the bladeless fan according to the present invention;

FIG. 3 is an exploded view of the base assembly of the present invention;

FIG. 4 is a cross-sectional view of the base assembly of the present invention;

FIG. 5 is a schematic view of the housing of the base assembly of the present invention;

FIG. 6 is a schematic view of the construction of a rotor in the base assembly of the present invention;

FIG. 7 is a schematic view of the structure of the motor in the base assembly of the present invention;

FIG. 8 is a schematic view of the knob of the base assembly of the present invention;

FIG. 9 is a schematic view of the construction of the seal ring in the base assembly of the present invention;

FIG. 10 is a schematic view of a first housing of the base assembly of the present invention;

FIG. 11 is a schematic view of a second housing of the base assembly of the present invention;

FIG. 12 is a schematic view of the structure of the air inlet plate of the base assembly of the present invention;

FIG. 13 is a schematic view of the construction of the side plate of the base assembly of the present invention;

FIG. 14 is a schematic view of the handpiece of the base assembly of the present invention.

The notation in the figure is:

1. a base assembly; 11. a base body; 111. a card slot; 112. mounting a plate; 1121. a first assembly hole; 113. positioning holes; 114. a motor; 1141. a first fixing hole; 1142. a motor shaft; 12. a side plate; 121. buckling; 13. filtering with a screen; 14. an air inlet plate; 141. fixing a column; 142. a second fixing hole; 15. a second housing; 151. opening a hole; 152. screw holes; 153. a third fixing hole; 16. the wind wheel body; 161. an installation part; 17. a seal ring; 171. a clamping hole; 18. a first housing; 181. a fourth fixing hole; 182. a first screw post; 183. positioning blocks; 19. a knob; 191. a second assembly hole; 2. a machine head; 21. a second screw post.

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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", and "upper" are used for the purpose of describing the present invention,

The directional or positional relationships indicated by "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directional 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 device or element 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the bladeless fan of the present invention includes a base assembly 1 and a machine head 2, wherein the machine head 2 is provided with a second screw post 21, the base assembly 1 is provided with a screw hole 152, and the base assembly 1 and the machine head 2 are fixedly connected by a screw. Can set up the primary filter screen 13 or the HEPA net of high efficiency filtration that can filter hair etc. in the bladeless fan, filter screen 13 in base subassembly 1 became invalid after, when the user continued to use, can make particulate matter such as wind wheel accumulation dust, need wash wind wheel subassembly dismantlement to improve user's experience degree.

As shown in fig. 2, the base assembly 1 of the bladeless fan provided by the present invention specifically includes a filter screen 13, an air inlet plate 14 and a volute, wherein an air wheel assembly is disposed in the volute, and during a specific use process, the volute is installed in the base assembly 1, and the air inlet plate 14 and the filter screen 13 are sequentially disposed on one side of the volute, so that air flows from the base assembly 1 to the handpiece 2.

As shown in fig. 3 to 5, the base assembly 1 includes a base body 11, a mounting opening is provided on the base body 11, a side plate 12 is clamped at the mounting opening, an air inlet is provided on the side plate 12, and air enters the base body 11 from the air inlet and flows to the handpiece 2 through an air inlet plate 14 and a filter screen 13. Preferably, the air inlet includes a plurality of air inlet holes, and the plurality of air inlet holes are uniformly distributed on the side plate 12.

Specifically, a clamping groove 111 is formed in the side wall of the base body 11, a buckle 121 is arranged on the side plate 12, and the buckle 121 and the clamping groove 111 are mutually clamped to enable the side plate 12 to be detachably fixed on the side wall of the base body 11.

Preferably, the side wall of the base body 11 is provided with a plurality of clamping holes 171, the mounting opening is provided with a square opening, the plurality of clamping grooves 111 are arranged on one side of the vertex angle of the square opening, and similarly, the side plate 12 is provided with a plurality of buckles 121 matched with the clamping holes 171 to clamp the buckles 121 and the clamping grooves 111. Of course, it is understood that the shape of the mounting opening is square only for illustrative purposes, and the rectangle and the diamond shape can be called as square, and the mounting opening can be designed into other shapes, such as circle, etc., according to the actual situation, and is not limited to the square. The number of the snaps 121 and the slots 111 is not limited to two, and may be set to other numbers, which is not specifically limited herein.

As shown in fig. 12, a mounting plate 112 is disposed on an opening side wall of the mounting opening, a first mounting hole 1121 is disposed on the mounting plate 112, a rotation hole is disposed on a bottom surface of the base body 11, the rotation hole is rotatably connected with the air inlet plate 14, a second fixing hole 142 is disposed on the air inlet plate 14, the second fixing hole 142 is disposed corresponding to the first mounting hole 1121 on the mounting plate 112, the air inlet plate 14 and the mounting plate 112 are fixed by screws, so that one side of the air inlet plate 14 is fixed to the base body 11, and the other side of the air inlet plate 14 is fixed to the mounting plate 112.

Specifically, a fixing column 141 is disposed at the top end of the air inlet plate 14, and the fixing column 141 is rotatably connected to the rotary hole, so that one side of the air inlet plate 14 is rotatably connected to the base body 11.

Further, a plurality of air inlet holes are formed in the air inlet plate 14, air flows into the air wheel assembly through the air inlet holes, and the air inlet holes are uniformly distributed, so that the air can uniformly enter the base body 11.

As shown in fig. 10 and 11, a volute is disposed between the two opposite air inlet plates 14, and the volute is disposed in the accommodating space formed in the base body 11, so that air entering from the air inlets at two sides respectively flows to the air wheel assemblies disposed in the middle, and the air flowing from the two opposite sides of the air wheel assemblies is blown to the user through the handpiece 2.

Further, the volute comprises a first shell 18 and a second shell 15, the first shell 18 and the second shell 15 are buckled to form a containing space of the wind wheel assembly, and the first shell 18 and the second shell 15 are detachably and fixedly connected, so that the wind wheel assembly is more conveniently assembled in the volute.

Specifically, the side wall of the first housing 18 is provided with a plurality of screw fixing columns 141, the side wall of the second housing 15 is provided with a plurality of screw holes 152, and the screw columns and the screw holes 152 are symmetrically arranged, so that the first housing 18 and the second housing 15 are buckled, and the screw holes 152 and the screw columns are fixed through screws.

Further, a mounting groove is formed in the outer side wall of the first housing 18, and a groove body of the mounting groove extends in the direction of the wind wheel assembly. The cell body bottom surface of mounting groove is provided with the mounting hole, is provided with fourth fixed orifices 181 on the circumference diapire of mounting hole, and fourth fixed orifices 181 sets up on the recess. As shown in fig. 7, a motor 114 is disposed in the mounting hole of the first housing 18, and the motor 114 includes a motor body, on which a motor shaft 1142 is disposed. The end face of the motor body close to the motor shaft 1142 is provided with a convex block, the convex block is provided with a first fixing hole 1141, the motor 114 is inserted into the mounting groove through the outside of the first shell 18, the convex block is matched with the groove, the first fixing hole 1141 and the fourth fixing hole 181 are fixed through screws, so that the end face of the motor body is matched with the groove body of the mounting groove, and the motor 114 is fixed on the first shell 18.

Further, a first screw column 182 is disposed on a side wall of the first housing 18, a positioning hole 113 is disposed on an inner wall of the base body 11, and the first screw column 182 and the positioning hole 113 are fixed by screws, so that the first housing 18 and the base body 11 are fixedly connected.

As shown in fig. 6 to 8, the wind wheel body 16 includes a mounting portion 161, the mounting portion 161 is disposed inside the wind wheel body 16, a through hole is disposed on the mounting portion 161, the motor shaft 1142 penetrates through the through hole and the end of the motor shaft 1142 extends out of the hole wall of the through hole, and the end of the motor shaft 1142 is connected with a knob 19 through a thread, so that the knob 19 is screwed to fixedly connect the motor 114 and the wind wheel body 16.

As shown in fig. 11, the middle of the second casing 15 is provided with an opening 151, and the opening 151 is a circular opening 151, and the shape of the opening 151 is mainly matched with the shape of the wind wheel body 16. Of course, it is understood that the shape of the opening 151 is circular only for illustrative purposes, and the opening may be designed into other shapes, such as square, etc., according to practical situations, and is not limited to the circular shape.

Further, a third fixing hole 153 is formed in a side wall of the second housing 15, the third fixing hole 153 is matched with a positioning hole 113 formed in an inner wall of the base body 11, and the third fixing hole 153 is fixedly connected with the positioning hole 113 through a screw, so that the second housing 15 is fixedly connected with the base body 11.

As shown in fig. 9, the first housing 18 and the second housing 15 are engaged with each other, and the side walls of the first housing 18 and the second housing 15 are fixedly connected by screws. At this time, openings are formed in the top portions of the first casing 18 and the second casing 15, in order to further fasten the first casing 18 and the second casing 15, bosses are formed on outer walls of end portions of the first casing 18 and the second casing 15, positioning blocks 183 are arranged on the bosses, sealing rings 17 are sleeved on outer walls of the first casing 18 and the second casing 15, clamping holes 171 are formed in side walls of the sealing rings 17, when the sealing rings 17 are sleeved on the side walls of the first casing 18 and the second casing 15, the clamping holes 171 are clamped with the positioning blocks 183, and therefore the sealing rings 17 are tightly connected with the volute.

The assembling process of the bladeless fan of the present invention will be briefly described with reference to the accompanying drawings:

the motor 114 is first mounted on the first housing 18, the first fixing hole 1141 provided on the motor 114 is aligned with the fourth fixing hole 181 provided on the first housing 18, and the motor 114 is fixed to the first housing 18 by screws, thereby completing the assembly of the motor 114. The mounting portion 161 in the wind wheel body 16 is tightly fitted with the end face of the clamp spring of the motor 114, the knob 19 is provided with a second assembling hole 191, and the motor 114 and the wind wheel body 16 are fixed through the second assembling hole 191. The knob 19 is screwed to the locking wind wheel body 16 to fix the wind wheel body 16 and the first housing 18.

Further, the second housing 15 is engaged with the first housing 18, and the screw holes 152 are fixed to the screw posts, thereby completing the assembly of the first housing 18 and the second housing 15. The sealing ring 17 is sleeved on the end portions of the first shell 18 and the second shell 15, so that the annular groove formed in the sealing ring 17 is assembled on the annular rib formed in the first shell 18, the clamping hole 171 formed in the sealing ring 17 is matched with the positioning block 183 formed in the first shell 18, and the sealing ring 17 is fixedly connected, so that the assembly of the volute and the wind wheel assembly is completed.

Further, the assembled scroll casing is assembled into the accommodating space formed in the base body 11, so that the first screw column 182 and the third fixing hole 153 provided on the side walls of the first casing 18 and the second casing 15 are respectively matched with the positioning hole 113 provided on the inner wall of the base body 11, thereby fixedly disposing the scroll casing in the base body 11.

Further, the fixing posts 141 of the air inlet panel 14 are engaged with the rotation holes of the base body 11, so that the air inlet panel 14 is fixed in the base body 11. The lateral wall of filter screen 13 and the lateral wall interference fit of the installation opening part of base body 11 to make the surface of filter screen 13 hug closely the terminal surface of air inlet plate 14, buckle 121 fastening draw-in groove 111 of base body 11 of curb plate 12, thereby accomplish the assembly of base subassembly 1, aim at the screw hole 152 of base body 11 to the second screw post 21 in aircraft nose 2 at last, and through beating the screw mode, thereby accomplish the fixed connection of aircraft nose 2 and base subassembly 1.

The fan wheel component in the bladeless fan is detachably arranged in the volute, and after the fan wheel component is used for a long time, a user can automatically detach the fan wheel component for cleaning, so that dust on the fan wheel component is removed in time, and user experience is improved; the volute is provided with a mounting structure, the motor 114 in the wind wheel component is matched with the knob 19, and the knob 19 only needs to be loosened during disassembly, so that the wind wheel body 16 can be conveniently and quickly disassembled and cleaned.

In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A base assembly, characterized in that it comprises a base body, a containing chamber is formed in the base body, a volute is arranged in the containing chamber, and a wind wheel assembly is detachably connected in the volute.

2. The base assembly according to claim 1, wherein an installation opening is provided on the side wall of the base body, the installation opening is communicated with the accommodating chamber, and the wind wheel assembly is installed on the scroll in a laterally drawn manner. inside the shell.

3. The base assembly according to claim 1, wherein the volute comprises a first shell and a second shell, the first shell and the second shell are detachably connected, and the second shell is provided with an opening, through which the first shell and the second shell are detachably connected. Cut out holes to remove or install the impeller assembly.

4 . The base assembly according to claim 3 , wherein the side wall of the first housing is provided with a fixing portion, the side wall of the second housing is provided with a fitting portion, and the fixing portion and the fitting portion are fixed by screws , the ends of the first shell and the second shell are sleeved with sealing rings, so that the first shell and the second shell are sealed and fixed.

5 . The base assembly according to claim 4 , wherein positioning blocks are provided on the end outer walls of the first shell and the second shell, and snap holes are provided on the sealing ring, and the positioning blocks abut against the snap holes. 6 .

6 . The base assembly according to claim 3 , wherein the first housing is provided with a mounting hole, a motor body is assembled in the mounting hole, the motor body is connected with a motor shaft, and the motor shaft passes through the outside of the first housing. 7 . Through the mounting hole, the motor body is fixed on the first housing.

7. The base assembly according to claim 6, wherein the wind wheel assembly comprises a wind wheel body, a mounting part is arranged in the wind wheel body, the motor shaft is inserted into the mounting hole, the end of the motor shaft is connected with a knob, and the motor The shaft knob is screwed and fixed so that the fan wheel assembly can be detachably mounted on the volute.

8 . The base assembly according to claim 3 , wherein positioning holes are provided on two opposite inner walls of the base, and first screw columns are respectively provided on the outer walls of the first shell and the second shell, and the screws The first shell and the second shell are respectively fixedly connected with the base body.

9 . The base assembly according to claim 2 , wherein an air inlet plate is rotatably connected in the base body, and one side of the air inlet plate and the base are detachably connected so that the air inlet plate is fixed on the base. 10 . Inside.

10 . The base assembly according to claim 9 , wherein a filter screen is provided on one side of the air inlet plate near the installation opening, and the filter screen and the installation opening are in an interference fit. 11 .

11. The base assembly according to claim 1, wherein the base body is provided with a side plate, the side plate is provided with an air inlet, and the side plate and the base body are clamped so that the side plate is fixed on the base body. on the base body.

12 . A bladeless fan, characterized in that it comprises a handpiece, and the base assembly according to any one of claims 1 to 11 is detachably connected to the handpiece. 13 .