CN218598448U

CN218598448U - Wind wheel, fan and bathroom heater, cooling heater

Info

Publication number: CN218598448U
Application number: CN202222459370.4U
Authority: CN
Inventors: 张尧弟; 杨继伟; 邱锦昱; 易国华
Original assignee: Shanghai Longsheng Industry Co ltd
Current assignee: Shanghai Longsheng Industry Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-10
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a wind wheel, contain the fan of this wind wheel and contain bathroom heater, the cold day heater of this fan. The wind wheel includes: the first hub is a circular ring piece; the second hub comprises an inner circular ring and an outer circular ring which are coaxially arranged; one end of each blade is connected with the first hub, and the inner side and the outer side of the other end of each blade are respectively connected with the inner ring and the outer ring of the second hub; the spoke outer fringe with the inner circle ring is connected, the blade is along the circumference evenly distributed of spoke. The utility model discloses a special structural design has realized the balance between the both ends structural strength of impeller, has solved the problem that the too big impeller that leads to of traditional impeller both ends intensity difference is easily out of shape, makes the overall stability of impeller better, and non-deformable has prolonged the life of impeller, can also satisfy the fashioned requirement of mould simultaneously. Besides, the ventilation quantity of the impeller is increased, and the working efficiency of the impeller is improved.

Description

Wind wheel, fan and bathroom heater, cooling heater

Technical Field

The utility model relates to a bathroom household electrical appliances technical field especially relates to a wind wheel, contain the fan of this wind wheel and contain bathroom heater, the cold day warmer of this fan.

Background

Bathroom warmer, originated from the English "BATHROOMMASTER", can be translated directly into "bathroom master". The bathroom small household appliance integrates multiple functions of bathroom such as heating, ventilation, illumination, decoration and the like through the ingenious combination of a specially-made waterproof infrared heat wave tube, a motor and a wind wheel.

The wind wheel is one of the core components in the bathroom heater. The wind wheel is connected with the motor, and the motor drives the wind wheel to rotate positively and negatively to realize the heating function or the ventilation function. The traditional wind wheel structure is shown in fig. 1-3, and comprises a spoke 1, a lower hub 2, an upper hub 3 and a blade 4. The lower hub 2 is arranged at the bottom of the spoke 1 and is an annular part with a certain width and formed by extending along the edge of the bottom surface of the spoke 1 in the radial direction. The plurality of blades 4 are vertically arranged on the lower hub 2 and are uniformly distributed along the circumferential direction of the spoke 1. The other end of each blade 4 is provided with an upper hub 3, and the upper hub 3 is a thin circular ring structure formed along the outer periphery of each blade 4.

Specifically, the width of the circular ring part of the lower hub 2 is equal to the width of the blade, one end of the blade 4 is fixedly connected to the circular ring part, and the end is of a closed structure. The upper hub 3 is of a thin circular ring structure and is arranged on the periphery of the blade 4, and the other end of the blade 4 is of an open structure. The structure design is convenient for demoulding, but the following technical problems exist in use:

the both ends firmness of wind wheel differs great, and lower wheel hub one end structure is more firm, and goes up wheel hub one end and warp very easily, and as long as local damage, whole wind wheel just needs to be changed, and this stability that leads to whole wind wheel is relatively poor, and life is short.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to solve the technical problems that firmness at two ends of a wind wheel is large, the stability of the whole wind wheel is poor, and the service life is short in the prior art.

The embodiment of the application provides a wind wheel, includes:

the first hub is a circular ring piece;

the second hub comprises an inner circular ring and an outer circular ring which are coaxially arranged;

one end of each blade is connected with the first hub, and the inner side and the outer side of the other end of each blade are respectively connected with the inner ring and the outer ring of the second hub;

the spoke outer fringe with the inner circle ring is connected, the blade is along the circumference evenly distributed of spoke.

Preferably, the blades are arranged vertically between the first hub and the second hub.

Preferably, the width of the first hub ring member is smaller than the width of the blade; one end part of the blade is fixed on the circular ring piece, and the other part of the blade is arranged in a hollow way.

More preferably, the outer peripheral part of one end of each blade is fixed on the circular ring piece, and the inner peripheral part is hollowed out.

Preferably, the width of the inner ring and the width of the outer ring are both smaller than the width of the first hub ring piece.

Preferably, the inner ring is formed by extending the spoke outer edge along the radial direction.

Preferably, along the axial direction, the projection of the first hub circular ring part on the plane where the two circular rings of the second hub are located is located between the inner circular ring and the outer circular ring of the second hub.

Preferably, the blades are arc-shaped blades arranged at equal intervals, and an included angle is formed between a connecting line between the inner side edge of each blade and the center of the wind wheel and a connecting line between the outer side edge of each blade and the center of the wind wheel.

The embodiment of the application further provides a fan, the fan includes motor and foretell wind wheel, the wind wheel is connected with the motor, the output shaft of motor the spoke center.

The embodiment of the application still provides a bathroom heater, the bathroom heater includes foretell fan, heating element and casing, be equipped with air intake, air outlet and scavenge port on the casing, fan and heating element all locate in the casing, and the wind wheel air inlet side corresponds the air intake sets up, and wind wheel air-out side is through two passageways UNICOM respectively air outlet and scavenge port, heating element locates the air outlet is inboard.

The embodiment of the application further provides a cooling device, cooling device includes foretell fan and box, be equipped with air intake and air outlet on the box, the fan is located in the box, and wind wheel air inlet side corresponds the air intake sets up, and wind wheel air-out side corresponds the air outlet sets up.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. setting a hub at one end of the impeller into a circular ring piece with a certain width and a width smaller than that of the blade, and supporting one end of the blade; the hub at the other end of the impeller is provided with two thin circular rings to support the inner side and the outer side of the other end of the blade respectively. So, realized the balance between the both ends structural strength of impeller, solved the too big impeller problem that easily warp that leads to of traditional impeller both ends intensity difference, make the overall stability of impeller better, non-deformable has prolonged the life of impeller, can also satisfy the fashioned requirement of mould simultaneously.

2. One end part of each blade is supported on the circular ring piece, and part of each blade is hollow; the inside and outside of the other end of the blade are respectively connected with the two thin circular rings, so that the ventilation volume of the impeller is increased, and the working efficiency of the impeller is improved.

3. Along the axial direction of the wind wheel, the projection of the first hub circular ring piece on the plane where the two circular rings of the second hub are located is located between the inner circular ring and the outer circular ring. The structural design can ensure that the overall stability of the impeller is higher and the deformation resistance is strong.

4. The through holes are arranged on the peripheral wall of the spoke, so that the air inlet volume of the impeller can be further increased.

5. The blades are arc-shaped blades arranged at equal intervals, and a certain included angle is formed between each blade and the center of the wind wheel. Therefore, special guide and centrifugal force can be formed for the inlet air, so that the air inlet amount and the air speed are obviously enhanced when the impeller works.

Drawings

FIG. 1 is an angled perspective view of a conventional impeller;

FIG. 2 is a perspective view of another angle of a conventional impeller;

FIG. 3 is a side view of a conventional impeller;

FIG. 4 is a perspective view of an angle of an impeller provided in an embodiment of the present application;

FIG. 5 is a perspective view of another angle of the impeller provided in embodiments of the present application;

FIG. 6 is a top view of an impeller provided in an embodiment of the present application;

FIG. 7 is a bottom plan view of an impeller provided in an embodiment of the present application;

fig. 8 is a side view of an impeller provided in an embodiment of the present application.

Detailed Description

In order to solve the technical problems, the general idea of the embodiment of the present application is as follows:

the width of the lower hub is reduced, so that the blade part is supported on the lower hub, and part of the blade part is hollowed out. The upper hub is adjusted from one thin ring at the periphery to two rings, namely an inner ring and an outer ring, so that the strength of the upper end of the impeller is increased. So, seek a balance between the upper and lower extreme structural strength of impeller, make the overall stability of impeller better, can satisfy the fashioned requirement of mould again. In addition, the blade part on the lower hub is hollowed out, and the ventilation quantity of the impeller can be increased.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

Fig. 4 and 5 are perspective views of an impeller provided in an embodiment of the present application, the impeller includes a first hub 100, a second hub 200, spokes 300, and blades 400, the first hub 100 and the second hub 200 are disposed oppositely, the blades 400 are vertically disposed between the first hub 100 and the second hub 200, the outer edges of the spokes 300 are connected to the second hub 200, and the blades 400 are uniformly distributed along the circumferential direction of the spokes 300.

In this embodiment, the first hub 100 is a hub disposed on the air outlet side of the wind wheel, and the second hub 200 is a hub disposed on the air inlet side of the wind wheel.

Referring to fig. 6 to 8, the first hub 100 is a ring member with a certain width. The width of the ring member is smaller than the width of the blade 400. One end part of the blade 400 is fixed on the circular ring part, and the other part is arranged in a hollow way.

In a preferred embodiment, an outer peripheral portion 401 of one end of the blade 400 is fixed to the ring member, and an inner peripheral portion 402 is hollowed out. Like this, the holistic structural strength of impeller is higher, can also increase the air volume of impeller.

The second hub 200 comprises two relatively thin rings, an inner ring 201 and an outer ring 202 as shown in fig. 2, the width of each of the inner ring 201 and the outer ring 202 is smaller than the width of the ring of the first hub 100.

Inner ring 201 is disposed at the edge of the bottom surface of spoke 300, and outer ring 202 is coaxially disposed at the outer periphery of inner ring 201. The inner and outer sides of the other end of each vane 400 are respectively connected with the inner ring 201 and the outer ring 202, and an air duct 500 is formed between two adjacent vanes 400.

In a preferred embodiment, inner ring 201 is formed by extending the outer edge of spoke 300 in the radial direction, and supports the other end of blade 400. The provision of the outer ring 202 further enhances the support of the other end of the vane 400.

In this embodiment, the second hub 200 uses two thin circular rings, which not only supports the blades 400, but also increases the air intake. Meanwhile, the circular ring piece of the first hub can be matched, so that the die is convenient to form.

In a preferred embodiment, the outer diameter of the outer ring 202 is larger than the outer diameter of the first hub 100 ring member, and the outer diameter of the inner ring 201 is smaller than the inner diameter of the first hub 100 ring member. Along the axial direction of the wind wheel, the projection of the first hub 100 circular ring part on the plane of the two circular rings of the second hub 200 is located between the inner circular ring 201 and the outer circular ring 202. The structural design can enable the stability of the whole impeller to be higher.

The center of spoke 300 is provided with a coupling hole 301 for coupling to a motor shaft core. The circumferential wall of spoke 300 is provided with through hole 302 to further increase the air intake of the impeller.

The blades 400 are arc-shaped blades arranged at equal intervals, and a certain included angle is formed between the blades 400 and the center of the wind wheel (the center of the spoke 300). Therefore, special guide and centrifugal force can be formed for inlet air, the air inlet volume and the air speed are obviously enhanced when the impeller works, and the working efficiency of the impeller is greatly improved.

Specifically, as shown in fig. 7, an included angle θ is formed between a connecting line a between the inner side edge of the blade 400 and the center of the wind wheel and between the outer side edge of the blade 400 and a connecting line b between the centers of the wind wheel, where θ is greater than 0 ° and less than 90 °.

The embodiment of the application further provides a fan, the fan comprises the impeller and the motor, the output shaft of the motor is connected with the connecting hole 301 in the center of the spoke 300, the impeller is driven to rotate through the motor, and wind power flowing is achieved.

The embodiment of the application further provides a bathroom heater, bathroom heater includes foretell fan, heating element and casing, is equipped with air intake, air outlet and scavenge port on the casing, and in fan and heating element all located the casing, and the wind wheel air inlet side corresponded the air intake setting, wind wheel air-out side through two passageways UNICOM air outlet and scavenge port respectively, heating element locates the air outlet inboard.

In a preferred embodiment, the heat generating element is a PTC heater.

The bathroom heater is usually used in a toilet, an air inlet and an air outlet are communicated with an indoor space, and a ventilation opening is communicated with an outdoor space. The bathroom heater has two kinds of modes of heating and taking a breath:

during heating mode work, the air inlet and the air outlet are both opened, and the ventilation port is closed. Fan and heating element all start, drive impeller corotation through the motor, inhale the casing with indoor air from the air intake, through heating element heating back, discharge through the air outlet, realize the indoor heating function.

When the ventilation mode works, the air inlet and the ventilation opening are both opened, and the air outlet is closed. The heating element is closed, only the fan is started, the impeller is driven to rotate reversely by the motor, indoor air is sucked into the shell from the air inlet, and the indoor air is discharged through the ventilation opening, so that the ventilation function is realized.

The embodiment of the application also provides a cooling device, the cooling device includes foretell fan and box, is equipped with air intake and air outlet on the box, and the fan is located in the box, and the wind wheel air inlet side corresponds the air intake sets up, and the wind wheel air-out side corresponds the air outlet sets up.

The air heater is generally used in a kitchen, and air in the kitchen is rapidly circulated by a fan, so that the air heater has a ventilation effect and a cool wind function.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

1. setting a hub at one end of the impeller into a circular ring piece with a certain width and the width smaller than the width of the blade to support one end of the blade; the hub at the other end of the impeller is provided with two thin circular rings to support the inner side and the outer side of the other end of the blade respectively. So, realized the balance between the both ends structural strength of impeller, solved the problem that traditional impeller both ends intensity difference is too big the impeller that leads to easily warp, make the overall stability of impeller better, non-deformable has prolonged the life of impeller, can also satisfy the fashioned requirement of mould simultaneously.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.

The directional terms upper, lower, left, right, front, rear, front, back, top, bottom and the like that are or may be mentioned in this specification are defined relative to the configurations shown in the drawings, and are relative concepts that may be changed accordingly depending on the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.

While the foregoing is directed to the preferred embodiment of the present application, and not to the limiting thereof in any way and any way, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; meanwhile, any equivalent changes, modifications and evolutions of the above embodiments according to the essential technology of the present application are still within the scope of the technical solution of the present application.

Claims

1. A wind turbine, comprising:

the first hub is a circular ring piece;

2. A wind rotor according to claim 1, wherein the first hub ring member has a width less than the width of the blades; one end part of the blade is fixed on the circular ring piece, and the other part of the blade is arranged in a hollow way.

3. A wind wheel according to claim 2, characterized in that the outer circumference of one end of said blade is fixed to said ring member, and the inner circumference is hollowed out.

4. A wind rotor according to claim 1, wherein the width of each of said inner and outer rings is less than the width of said first hub ring member.

5. A wind turbine according to claim 1, wherein the inner annular ring is formed by extending the outer edge of the spoke in a radial direction.

6. The wind wheel according to claim 1, wherein in the axial direction, the projection of the first hub ring member on the plane of the second hub rings is located between the inner and outer rings of the second hub.

7. The wind wheel according to claim 1, characterized in that the blades are arc-shaped blades arranged at equal intervals, and an included angle is formed between a connecting line of the inner side edge of each blade and the center of the wind wheel and a connecting line of the outer side edge of each blade and the center of the wind wheel.

8. A fan, characterized by comprising a motor and the wind wheel of any claim 1 to 7, wherein the wind wheel is connected with the motor, and an output shaft of the motor is connected with the center of the spoke.

9. A bathroom heater, comprising the blower of claim 8, a heating element and a housing, wherein the housing is provided with an air inlet, an air outlet and a ventilation opening, the blower and the heating element are both disposed in the housing, the air inlet side of the wind wheel is disposed corresponding to the air inlet, the air outlet side of the wind wheel is respectively communicated with the air outlet and the ventilation opening through two channels, and the heating element is disposed inside the air outlet.

10. The super-cooling fan is characterized by comprising the fan and a box body according to claim 8, wherein the box body is provided with an air inlet and an air outlet, the fan is arranged in the box body, the air inlet side of the wind wheel corresponds to the air inlet, and the air outlet side of the wind wheel corresponds to the air outlet.