CN216714757U

CN216714757U - Dry-wet dual-purpose fan and cleaning equipment applying same

Info

Publication number: CN216714757U
Application number: CN202122810268.XU
Authority: CN
Inventors: 李冰; 张丽娜
Original assignee: Wuxi Convert Electrical Machinery Co ltd
Current assignee: Wuxi Convert Electrical Machinery Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-10
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a dry and wet dual-purpose fan and cleaning equipment applied by the same, wherein the dry and wet dual-purpose fan comprises a motor and a movable impeller which are installed and connected through a driving shaft, a shell is arranged on the periphery of the movable impeller, an air duct and a motor inner space which are arranged in a separated mode are formed through the shell, the motor is positioned in the motor inner space, and a sealing structure positioned on the periphery of the driving shaft is arranged between the air duct and the motor inner space; the utility model reliably prevents dust and water vapor in the air duct from entering the internal space of the motor, and obviously prolongs the service life of the dry and wet dual-purpose fan.

Description

Dry-wet dual-purpose fan and cleaning equipment applying same

Technical Field

The utility model belongs to the field of fans, particularly relates to a dry and wet fan and further relates to cleaning equipment applied to the dry and wet fan.

Background

In the existing dry and wet dual-purpose fan structure, in order to avoid water vapor entering the interior of the motor to cause damage to the motor, the motor is usually hermetically mounted. However, because there is the installation connection relation between the drive shaft of the motor and the movable impeller of the fan, water vapor or water flow in the fan air duct inevitably enters the motor through the drive shaft, and then the service life of the motor is influenced.

The applicant therefore wishes to seek technical solutions to solve the above-mentioned technical problems.

Disclosure of Invention

In view of this, the present invention provides a wet and dry blower and a cleaning device using the same, which reliably prevent dust and water vapor in an air duct from entering an internal space of a motor, and significantly improve the service life of the wet and dry blower.

The technical scheme adopted by the utility model is as follows:

the utility model provides a wet or dry fan, includes motor and movable vane wheel through drive shaft erection joint, the periphery of movable vane wheel is equipped with the casing, through the casing forms the wind channel and the motor inner space that are the partition setting, the motor is located motor inner space, the wind channel with be equipped with between the motor inner space and be located the seal structure of drive shaft periphery.

Preferably, the casing comprises an air guide cover positioned at the outer side and a separation sealing casing seat positioned at the inner side; the separation sealing shell seat can be installed on the periphery of the driving shaft in a relatively rotating mode, and the motor inner space and the air duct are located on the inner side and the outer side of the separation sealing shell seat respectively.

Preferably, the sealing structure comprises a first sealing unit and a second sealing unit which are correspondingly matched in a sealing mode and are respectively positioned on the periphery of the driving shaft, wherein the first sealing unit is integrally or separately arranged on the inner side of the separation sealing shell seat, and the second sealing unit is connected with the first sealing unit or the driving shaft in an installing mode.

Preferably, the first sealing unit is provided with a plurality of sealing convex rings distributed at intervals, and the second sealing unit is provided with sealing grooves which are respectively in corresponding sealing fit with the sealing convex rings.

Preferably, an air guide wheel is arranged between the air guide cover and the separation sealing shell seat, and the separation sealing shell seat is integrally or separately connected with the air guide wheel in an installing mode.

Preferably, the motor comprises a bearing installation sleeve which is sleeved on the periphery of the driving shaft in a relatively rotatable manner, and the bearing installation sleeve is installed and connected with the shell through a motor installation plate.

Preferably, the motor comprises a stator, a rotor and a controller which are all positioned in the inner space of the motor, wherein the controller is close to the movable impeller relative to the stator, and the controller is connected with the shell through a motor mounting plate in a mounting mode.

Preferably, the end of the divided seal housing seat is provided with a protective cover.

Preferably, the periphery of the shell is provided with a fan housing, the fan housing and the shell are correspondingly matched to form a heat dissipation channel, and the heat dissipation channel is communicated with the inner space of the motor.

Preferably, the cleaning device is a wet and dry fan as described above.

This application is through being equipped with the seal structure that is located the drive shaft periphery between wind channel and motor inner space, form sealed area through seal structure between wind channel and motor inner space, carry out the actual in-process at wet dual-purpose fan futilely, when dust and/or steam in the wind channel get into the motor inner space along the drive shaft direction, can directly be blockked in the sealed area who is formed by seal structure, dust and steam in having avoided the wind channel reliably through this simple structure get into the motor inner space, the life of wet dual-purpose fan futilely has obviously been improved.

Drawings

FIG. 1 is a schematic diagram of a wet and dry blower according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3 in the direction A-A;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

fig. 6 is a schematic diagram of the exploded structure of fig. 1.

Detailed Description

The embodiment of the utility model discloses a dry and wet dual-purpose fan which comprises a motor and a movable impeller which are installed and connected through a driving shaft, wherein a shell is arranged on the periphery of the movable impeller, an air duct and a motor inner space which are arranged in a separated mode are formed through the shell, the motor is arranged in the motor inner space, and a sealing structure which is arranged on the periphery of the driving shaft is arranged between the air duct and the motor inner space.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. 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.

Referring to fig. 1, 2 and 3, a wet and dry dual-purpose fan 1 includes a motor and an impeller 20 mounted and connected by a driving shaft 10, a casing is provided on the outer periphery of the impeller 20, an air duct 30 and a motor inner space 40 are formed by the casing in a separated manner, the motor is located in the motor inner space 40, a sealing structure 2 located on the outer periphery of the driving shaft 10 is provided between the air duct 30 and the motor inner space 50, and a sealing area 21 is formed between the air duct 30 and the motor inner space 40 by the sealing structure 2.

Preferably, referring to fig. 4 and 6 in combination, for the convenience of installation, in the present embodiment, the casing includes a wind scooper 51 located at the outer side and a separation sealing casing seat 52 located at the inner side; wherein the partition seal housing seat 52 is relatively rotatably installed at the outer circumference of the driving shaft 10, and the motor inner space 40 and the wind tunnel 30 are respectively located at the inner side and the outer side of the partition seal housing seat 52.

Preferably, in order to improve the air guiding efficiency of the air duct 30, in the present embodiment, the air guiding wheel 53 is provided between the air guiding cover 51 and the separation seal housing seat 52, and the separation seal housing seat 52 is integrally or separately attached to the air guiding wheel 53, specifically, in the present embodiment, the separation seal housing seat 52 is integrally attached to the air guiding wheel 53 for the convenience of installation and manufacturing process, and in other embodiments, a separate attachment structure may be adopted.

Preferably, in order to further ensure the installation protection effect on the motor, in the present embodiment, the motor includes a stator 61, a rotor 62 and a controller 63, which are all located in the motor inner space 40, specifically, an outer rotor motor (i.e., the rotor is located at the outer periphery of the stator), and of course, in other embodiments, an inner rotor motor (i.e., the stator is located at the outer periphery of the rotor) may also be used, which is not particularly limited in the present embodiment; the controller 63 is close to the movable impeller 20 relative to the stator 61, and the controller 63 is connected with the separation sealing shell seat 52 through a motor mounting plate 64; the motor also comprises a bearing mounting sleeve 65 which is sleeved on the periphery of the driving shaft 10 in a relatively rotatable manner through

bearings

65a and 65b, and the bearing mounting sleeve 65 is connected with the separation sealing shell seat 52 through a motor mounting plate 64; meanwhile, a protective cover 52a is provided at an end of the partition sealing housing seat 52, and a plurality of heat radiation holes 52b are provided in the protective cover 52a in order to achieve a heat radiation effect to the motor internal space 40.

When the application is implemented, the adaptive sealing structure can be selected according to actual needs, and the sealing area 21 can be mainly formed between the air duct 30 and the motor inner space 40, and the specific structure embodiment is not limited uniquely; preferably, referring to fig. 5 in combination, in the present embodiment, the sealing structure 2 includes a first sealing unit 22 and a second sealing unit 23 which are correspondingly sealed and matched to form a sealing area 21, wherein the first sealing unit 22 and the second sealing unit 23 are respectively located at the periphery of the driving shaft 10, the first sealing unit 22 is integrally disposed at the inner side of the separation sealing housing seat 52 (in other embodiments, a split structure may also be adopted), and is relatively rotatable with respect to the driving shaft 10, and the second sealing unit 23 is fixedly sleeved on the driving shaft 10, in order to facilitate a compact installation effect, in the present embodiment, the second sealing unit 23 is located between the first sealing unit 22 and the bearing mounting sleeve 65; particularly preferably, in the present embodiment, the first sealing unit 22 is provided with a plurality of sealing convex rings 22a distributed at intervals, the second sealing unit 23 is provided with a plurality of sealing grooves 23a distributed at intervals, each sealing convex ring 22a and each sealing groove 23a are respectively in clearance type sealing fit, and the formed sealing area 21 is distributed in a spaced type annular unit (i.e. forming a labyrinth type protective sealing effect), so as to further obtain a more excellent sealing effect.

In other embodiments, the second sealing unit 23 may be configured to: the sealing device can be rotatably sleeved on the periphery of the driving shaft 10, and each sealing convex ring 22a and each sealing groove 23a are in corresponding interference type sealing fit respectively, wherein the second sealing unit 23 can be independently arranged in a split manner, or the second sealing unit 23 and the bearing mounting sleeve 65 can be arranged in an integrated structure; the second sealing unit 23 in this embodiment may be made of a flexible material, or may be made of a rigid material, which is not particularly limited in this embodiment.

Because the motor is in a relatively closed environment due to the structure of the motor internal space 40 provided by the present application, although the sealing protection effect of the motor is ensured, the heat dissipation environment of the motor is also deteriorated, preferably, in order to realize the heat dissipation effect of the motor internal space 40, in the present embodiment, the fan housing 70 is disposed on the periphery of the wind scooper 51, the fan housing 70 and the wind scooper 51 are correspondingly matched to form the heat dissipation channel 80, and the heat dissipation channel 80 is communicated with the motor internal space 40; particularly preferably, a single or a plurality of connecting passages 52c (1 is shown) are provided between the side surface of the partition seal housing seat 52 and the wind guide wheel 53, and the heat dissipation passage 80 is communicated with the motor inner space 40 through the connecting passages 52 c; when the wet and dry dual-purpose fan 1 is operated, hot air generated by the motor can be sucked away through the heat dissipation channel 80 and exhausted through the end air opening 71.

In the embodiment, the sealing structure 2 located at the periphery of the driving shaft 10 is arranged between the air duct 30 and the motor inner space 40, the sealing area 21 is formed between the air duct 30 and the motor inner space 40 through the sealing structure 2, when dust and/or water vapor in the air duct 30 enters the motor inner space 40 along the direction of the driving shaft 10 in the actual process of the wet and dry dual-purpose fan 1, the dust and the water vapor in the air duct 30 can be directly blocked in the sealing area 21 formed by the sealing structure 2, the dust and the water vapor in the air duct 30 are reliably prevented from entering the motor inner space 40 through the simple structure, and the service life of the wet and dry dual-purpose fan 1 is obviously prolonged.

The embodiment also provides a cleaning device, which adopts the dry-wet dual-purpose fan 1 as described above in the embodiment; the cleaning equipment in the embodiment can be a sweeping and mopping integrated machine, a sweeping robot or a dust collector; of course, other forms of cleaning devices are also possible, and the embodiment is not particularly limited, and those skilled in the art can select the cleaning device according to actual needs.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wet or dry fan, its characterized in that includes motor and movable vane wheel through drive shaft erection joint, the periphery of movable vane wheel is equipped with the casing, through the casing forms and is the wind channel and the motor inner space of partition setting, the motor is located motor inner space, the wind channel with be equipped with between the motor inner space and be located the seal structure of drive shaft periphery.

2. The wet and dry fan as claimed in claim 1, wherein the housing comprises an air guiding cover at an outer side and a separation seal housing seat at an inner side; the separation sealing shell seat can be installed on the periphery of the driving shaft in a relatively rotating mode, and the motor inner space and the air duct are located on the inner side and the outer side of the separation sealing shell seat respectively.

3. The wet and dry fan according to claim 2, wherein the sealing structure comprises a first sealing unit and a second sealing unit which are correspondingly and hermetically fitted and respectively located on the periphery of the driving shaft, wherein the first sealing unit is integrally or separately arranged on the inner side of the separation sealing housing seat, and the second sealing unit is connected with the first sealing unit or the driving shaft in an installing manner.

4. The wet and dry fan as claimed in claim 3, wherein the first sealing unit has a plurality of sealing convex rings spaced apart from each other, and the second sealing unit has a sealing groove corresponding to each sealing convex ring for sealing engagement.

5. The dry-wet dual-purpose fan according to claim 2, wherein an air guide wheel is arranged between the air guide cover and the separation sealing shell seat, and the separation sealing shell seat is integrally or separately installed and connected with the air guide wheel.

6. The wet and dry blower according to claim 1, wherein the motor includes a bearing mounting sleeve rotatably sleeved on the outer periphery of the driving shaft, and the bearing mounting sleeve is mounted and connected to the housing through a motor mounting plate.

7. The wet and dry blower of claim 1, wherein the motor comprises a stator, a rotor and a controller, the stator, the rotor and the controller are all located in the inner space of the motor, the controller is close to the movable impeller relative to the stator, and the controller is connected with the housing through a motor mounting plate.

8. The wet and dry blower of claim 2, wherein the end of the split seal housing seat is provided with a protective cover.

9. The wet and dry blower according to claim 1, wherein a blower housing is disposed on an outer periphery of the housing, the blower housing and the housing are correspondingly engaged to form a heat dissipation channel, and the heat dissipation channel is communicated with an inner space of the motor.

10. A cleaning apparatus, characterized in that a wet and dry blower as claimed in any one of claims 1 to 9 is used.