CN210693618U - Shell assembly, fan and cleaning equipment - Google Patents

Abstract

The utility model discloses a casing subassembly, fan and cleaning device, this casing subassembly includes casing and support, the casing includes first circle body, the connector and the end cover that has first mounting hole, first mounting hole is used for the one end installation of the rotor subassembly of fan, the inside of first circle body is used for the stator module's of fan installation, the connector sets up on the surface of first circle body, the end cover is connected in first circle body, first mounting hole and the coaxial setting of first circle body, be equipped with link and second mounting hole on the support, the second mounting hole is used for the installation of the other end of rotor subassembly, the link is connected with the connector, second mounting hole and the coaxial setting of first mounting hole. When the shell assembly is used for the fan, the stator assembly is arranged in the first circle and coaxially arranged, the rotor assembly is matched with the first mounting hole and the second mounting hole respectively, and the rotor assembly is arranged on the same axis with the stator assembly after being assembled, so that the assembling precision of the fan is improved, and the failure rate is reduced.

Description

Shell assembly, fan and cleaning equipment

Technical Field

The utility model relates to a cleaning device technical field especially relates to a casing subassembly. The utility model discloses still relate to a fan. The utility model discloses relate to a cleaning device in addition.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

Cleaning equipment plays an important role in production and life of people as auxiliary equipment, and particularly, household cleaning equipment (such as a dust collector) is gradually one of electric appliances necessary for families due to small volume and convenient use. The vacuum cleaner is used as an example, the power source of the vacuum cleaner is a fan, wherein the fan comprises a rotor assembly, a stator assembly and a shell assembly, and when the fan is assembled, the shell assembly is firstly fixed on an iron core of the stator assembly through bolts, and then the rotor assembly is assembled.

In the prior art, the iron core of the stator assembly is formed by overlapping a plurality of iron sheets, when the shell assembly is fixed, the bolt is screwed, so that the thickness of the iron core is changed, the assembly precision cannot be guaranteed, and the fault rate of the fan is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that current fan assembly precision is low at least. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a casing subassembly for the fan, casing subassembly includes:

the fan comprises a casing, a first ring body, a connecting body and an end cover with a first mounting hole, wherein the first mounting hole is used for mounting one end of a rotor assembly of the fan, the interior of the first ring body is used for mounting a stator assembly of the fan, the connecting body is arranged on the outer surface of the first ring body, the end cover is connected to the first ring body, and the first mounting hole and the first ring body are coaxially arranged;

the support is provided with a connecting end and a second mounting hole, the second mounting hole is used for mounting the other end of the rotor assembly, the connecting end is connected with the connecting body, and the second mounting hole is coaxially arranged with the first mounting hole.

According to the utility model discloses a housing assembly, wherein, the first mounting hole and the coaxial setting of first round body of end cover, the connector makes the second mounting hole and the coaxial setting of first round body of support with the link cooperation of support, and at this moment, the coaxial setting of first round body, first mounting hole and second mounting hole three. When the shell assembly is used for the fan, the stator assembly of the fan is installed in the first ring body and fixed through the clamping, the stator assembly is coaxially arranged with the first ring body, the rotor assembly of the fan penetrates through the inside of the stator assembly, two ends of the rotor assembly are respectively matched with the first mounting hole of the end cover and the second mounting hole of the support, and the rotor assembly is arranged on the same axis with the stator assembly after being assembled, so that the assembling precision of the fan is improved, and the failure rate is reduced.

In addition, according to the utility model discloses a shell assembly still can have following additional technical characterstic:

in some embodiments of the present invention, the casing further includes a first connecting rib, the end cover passes through the first connecting rib and the first ring body is connected, and the end cover and the first ring body are arranged at an interval.

In some embodiments of the present invention, the number of the first connecting ribs is plural, and each of the first connecting ribs is disposed along the circumferential interval of the first ring body.

In some embodiments of the present invention, the casing further includes a second ring body, the second ring body is sleeved on the outer side of the first ring body, the inner surface of the second ring body is spaced from the outer surface of the first ring body, and the inner surface of the second ring body is connected to the connecting body.

In some embodiments of the present invention, the number of the connecting bodies is plural, and each of the connecting bodies is disposed along the circumferential interval of the first ring body.

In some embodiments of the present invention, the casing further comprises a second connecting rib, and the second connecting rib is connected to the outer surface of the first ring body and the inner surface of the second ring body respectively.

In some embodiments of the present invention, the number of the second connection ribs is plural, and each of the second connection ribs is disposed along the circumferential interval of the first ring body.

In some embodiments of the present invention, the connecting body is provided with a threaded hole, the connecting end is provided with a through hole, the housing assembly further comprises a bolt, and the bolt passes through the through hole and the threaded hole to cooperate, so that the bracket is connected with the casing.

The second aspect of the utility model provides a fan, the fan includes:

a housing assembly according to the above;

a stator assembly mounted inside the first ring body;

the rotor subassembly, the rotor subassembly includes pivot, first bearing and second bearing, the pivot is worn to locate with rotatable mode stator module, the both ends of pivot respectively protrusion in first mounting hole with the second mounting hole, the pivot pass through first bearing with first mounting hole cooperation, the pivot pass through the second bearing with the cooperation of second mounting hole.

According to the utility model discloses a fan, wherein, the first mounting hole and the coaxial setting of first round body of casing assembly's end cover, the connector makes the second mounting hole and the coaxial setting of first round body of support with the link cooperation of support, and at this moment, the coaxial setting of first round body, first mounting hole and second mounting hole three. When assembling, the stator module of fan is installed at first round internal and fixed through the joint, and stator assembly back and the coaxial setting of first round body, stator module's inside is worn to locate by the rotor subassembly of fan, and the both ends of rotor subassembly cooperate with the second mounting hole of the first mounting hole of end cover and support respectively, and rotor subassembly assembly back and stator module are in on the same axis to improve the assembly precision of fan, reduced the fault rate.

The third aspect of the utility model provides a cleaning device, the last fan of installing of cleaning device, the fan be according to as above the fan.

According to the utility model discloses a cleaning equipment, in the casing subassembly of fan, the first mounting hole and the coaxial setting of first round body of end cover, the link cooperation of connector and support makes the second mounting hole and the coaxial setting of first round body of support, and at this moment, the coaxial setting of first round body, first mounting hole and second mounting hole three. When the fan assembles, the stator module of fan is installed at first round internal and fixed through the joint, stator assembly back and the coaxial setting of first round body, stator module's inside is worn to locate by the rotor subassembly of fan, the both ends of rotor subassembly respectively with the first mounting hole of end cover and the cooperation of the second mounting hole of support, rotor subassembly assembly back and stator module are in on the same axis to improve the assembly precision of fan, reduced the fault rate.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a schematic structural view of a cleaning device according to an embodiment of the invention;

fig. 2 schematically shows a schematic structural view of a wind turbine according to an embodiment of the present invention;

FIG. 3 is an exploded view of the blower of FIG. 2;

FIG. 4 is a schematic structural view of a housing of the blower shown in FIG. 3;

FIG. 5 is a schematic view of the housing shown in FIG. 4 from another perspective;

fig. 6 is a schematic structural view of a bracket of the blower shown in fig. 3.

The reference numbers are as follows:

100 is a cleaning device;

10 is a fan;

11 is a fan cover;

12 is a housing assembly, 121 is a casing, 1211 is a connector, 12111 is a threaded hole, 1212 is a second connecting rib, 1213 is a second ring body, 1214 is a first connecting rib, 1215 is a first ring body, 1216 is an end cap, 12161 is a first mounting hole, 122 is a bracket, 1221 is a through hole, 1222 is a second mounting hole, and 123 is a bolt;

13 is a stator component;

14 is a rotor assembly, 141 is a first bearing, 142 is a rotating shaft, 143 is a second bearing;

15 is a movable impeller;

and 16 is a diffuser.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 2 to 6, according to an embodiment of the present invention, a casing assembly 12 for a wind turbine 10 is provided, the casing assembly 12 includes: a housing 121 and a bracket 122, wherein the housing 121 includes a first ring 1215, a connector 1211 and an end cap 1216 having a first mounting hole 12161, the first mounting hole 12161 is used for mounting one end of a rotor assembly 14 of the wind turbine 10, the interior of the first ring 1215 is used for mounting a stator assembly 13 of the wind turbine 10, the connector 1211 is disposed on the outer surface of the first ring 1215, the end cap 1216 is connected to the first ring 1215, the first mounting hole 12161 is coaxially disposed with the first ring 1215, the bracket 122 is provided with a connecting end and a second mounting hole 1222, the second mounting hole 1222 is used for mounting the other end of the rotor assembly 14, the connecting end is connected with the connector 1211, and the second mounting hole 1222 is coaxially disposed with the first mounting hole 12161.

According to the present invention, the housing assembly 12, wherein the first mounting hole 12161 of the end cap 1216 is coaxially disposed with the first ring 1215, the connecting body 1211 is coupled to the connecting end of the bracket 122 such that the second mounting hole 1222 of the bracket 122 is coaxially disposed with the first ring 1215, and at this time, the first ring 1215, the first mounting hole 12161 and the second mounting hole 1222 are coaxially disposed. When the housing assembly 12 is used for the fan 10, the stator assembly 13 of the fan 10 is installed in the first ring 1215 and fixed by clamping, the stator is coaxially arranged with the first ring 1215 after being assembled, the rotor assembly 14 of the fan 10 penetrates through the inside of the stator assembly 13, two ends of the rotor assembly 14 are respectively matched with the first mounting hole 12161 of the end cover 1216 and the second mounting hole 1222 of the bracket 122, and the rotor assembly 14 is arranged on the same axis with the stator assembly 13 after being assembled, so that the assembling precision of the fan 10 is improved, and the failure rate is reduced.

It should be noted that the connecting body 1211 is provided with a first positioning surface, the connecting end of the bracket 122 is provided with a second positioning surface, when the bracket 122 is connected to the connecting body 1211, the second positioning surface is attached to the first positioning surface, so as to determine the installation position of the bracket 122, further ensure that the second installation hole 1222 is coaxially arranged with the first ring 1215 and the first installation hole 12161, and when the casing assembly 12 is used for the fan 10, ensure the assembly accuracy of the fan 10 and reduce the failure rate of the fan 10.

In addition, the housing 121 and the bracket 122 are made of the same material, and the strength and performance of the bracket 122 and the housing 121 are the same after the bracket is connected to each other, so that the assembly accuracy can be further improved. The first mounting hole 12161, the second mounting hole 1222, the first positioning surface and the second positioning surface are processed synchronously, so that the accuracy of the assembled case 121 and the bracket 122 is further improved, and the assembling error and the failure rate of the fan 10 are further reduced.

In addition, as shown in fig. 3, 4 and 6, the rotor assembly 14 includes a rotating shaft 142, a first bearing 141 and a second bearing 143, the first mounting hole 12161 is a stepped hole to form a first bearing chamber structure, an outer ring of the first bearing 141 is engaged with the first bearing chamber structure, an inner ring of the first bearing 141 is fitted over the rotating shaft 142, the second mounting hole 1222 is a stepped hole to form a second bearing chamber structure, an outer ring of the second bearing 143 is engaged with the second bearing chamber structure, an inner ring of the second bearing 143 is fitted over the rotating shaft 142, and after the blower 10 is started, the rotating shaft 142 rotates under the action of the stator assembly 13, thereby providing power to the cleaning device 100.

It is further understood that, as shown in fig. 2-5, housing 121 further includes first tie bars 1214, end cap 1216 is connected to first ring 1215 through first tie bars 1214, and end cap 1216 is spaced from first ring 1215. Specifically, an end cap 1216 is disposed at one port of the first ring 1215 in spaced relation, the end cap 1216 being connected to the first ring 1215 via first tie bars 1214. When the housing assembly 12 is used with the fan 10, upon activation of the fan 10, the moving air is able to enter the interior of the fan 10 through the gap spaced between the end cap 1216 and the first ring 1215, thereby cooling the internal components of the fan 10 and further reducing the failure rate of the fan 10.

Further, as shown in fig. 2 to 5, the number of the first connecting ribs 1214 is plural, and the first connecting ribs 1214 are arranged at intervals in the circumferential direction of the first ring 1215. Specifically, in the present application, each first connecting rib 1214 is disposed at equal intervals along the circumferential direction of the first ring 1215, so that the strength and stability of the connection between the end cover 1216 and the first ring 1215 are improved, the situation of stress concentration or fracture caused by uneven stress on the end cover 1216 is effectively avoided, and the failure rate is further reduced.

In other embodiments, the number and arrangement of the first connecting ribs 1214 are set according to specific requirements, and are not described herein again.

It should be noted that the number of the first connecting ribs 1214 is even and the number of the first connecting ribs 1214 ranges from 8 to 16, so as to further ensure the connection strength and stability between the end cover 1216 and the first ring 1215, and simultaneously ensure the air intake of the first ring 1215, thereby ensuring the cooling effect of the components of the fan 10 installed in the first ring 1215.

Further, as shown in fig. 2 to 5, the casing 121 further includes a second ring body 1213, the second ring body 1213 is disposed at an outer side of the first ring body 1215, an inner surface of the second ring body 1213 is spaced apart from an outer surface of the first ring body 1215, and an inner surface of the second ring body 1213 is connected to the connector 1211. Specifically, the second ring 1213 is coaxially sleeved outside the first ring 1215, and the first ring 1215 is spaced apart from the second ring 1213, and the second ring 1213 is connected to the first ring 1215 through a connector 1211. When the housing assembly 12 is used with the blower 10, the blower 10 is activated and the moving air is split through the housing 121 into two portions, one portion entering the interior of the first collar 1215 through a gap spaced from the end cap 1216 by the first collar 1215 to cool the internal components of the blower 10, and the other portion passing through a gap between the first collar 1215 and the second collar 1213 to reduce the consumption of the moving air within the blower 10, thereby ensuring the suction capacity of the blower 10.

Further, as shown in fig. 2 to 5, the number of the connector 1211 is plural, and the connector 1211 is provided at intervals in the circumferential direction of the first ring 1215. Specifically, in the present application, the connecting bodies 1211 are disposed at equal intervals in the circumferential direction of the first ring 1215, so that the strength and stability of the connection between the first ring 1215 and the second ring 1213 are improved, and the strength and stability of the connection between the holder 122 and the casing 121 are improved.

In other embodiments, the number and arrangement of the connecting bodies 1211 are set according to specific use requirements, and are not described herein again.

It should be noted that, as shown in fig. 2 to 6, the number and the positions of the connection ends on the bracket 122 correspond to the number and the positions of the connection bodies 1211, the bracket 122 is a frame structure, when the casing assembly 12 is used in the fan 10, flowing air enters the inside of the first ring 1215 through a gap between the end cover and the first ring 1215 to cool the components in the first ring 1215, and the cooled air is exhausted through the bracket 122, so that the loss of the flowing air in the fan 10 is reduced, and the suction capacity of the fan 10 is ensured.

Further, as shown in fig. 2 to 5, the casing 121 further includes second connecting ribs 1212, and the second connecting ribs 1212 are connected to an outer surface of the first ring 1215 and an inner surface of the second ring 1213, respectively. Specifically, the first connecting rib 1214 is connected with the first ring 1215 and the second ring 1213, respectively, so as to further improve the connection strength and stability of the first ring 1215 and the second ring 1213, ensure that the spacing distance between the first ring 1215 and the second ring 1213 is ensured, further ensure the loss of the flowing air in the casing 121, and ensure the suction capacity of the fan 10.

Further, as shown in fig. 2 to 5, the number of the second connecting ribs 1212 is plural, and the second connecting ribs 1212 are provided at intervals in the circumferential direction of the first ring 1215. Specifically, by providing the plurality of second connecting ribs 1212, the connection strength and stability of the first ring 1215 and the second ring 1213 are further improved, so that the distance between the first ring 1215 and the second ring 1213 is ensured, and the suction capacity of the fan 10 is further ensured.

It should be noted that, in the present application, the number of the first connecting ribs 1214 is equal to the sum of the number of the connecting bodies 1211 and the number of the second connecting ribs 1212, and each of the connecting bodies 1211 and each of the second connecting ribs 1212 are respectively arranged corresponding to each of the first connecting ribs 1214, so as to further improve the strength of the casing 121, and when the casing assembly 12 is used for the fan 10, the strength and stability of the fan 10 can be effectively improved, and the failure rate of the fan 10 is reduced.

Further, as shown in fig. 3, 4 and 6, a threaded hole 12111 is formed on the connector 1211, a through hole 1221 is formed on the connector, and the housing assembly 12 further includes a bolt 123, wherein the bolt 123 passes through the through hole 1221 and is engaged with the threaded hole 12111, so as to connect the bracket 122 with the housing 121. Specifically, when the bracket 122 is connected to the casing 121, the second positioning surface of the bracket 122 is attached to the second positioning surface of the connector 1211, the through hole 1221 and the threaded hole 12111 are coaxially disposed, the bolt 123 passes through the through hole 1221 and then is engaged with the threaded hole 12111, and the bracket 122 is assembled to the casing 121 by screwing the bolt 123. Utilize bolt 123 to assemble, the operation of being convenient for can effectively reduce the cost of assembly, and simultaneously, joint strength is high, can effectively guarantee intensity and stability that support 122 and casing 121 are connected.

A second aspect of the present invention provides a wind turbine 10, as shown in fig. 2 to 6, the wind turbine 10 includes a housing assembly 12, a stator assembly 13 and a rotor assembly 14, the housing assembly 12 is the housing assembly 12 as described above, the stator assembly 13 is installed inside a first ring 1215, the rotor assembly 14 includes a rotating shaft 142, a first bearing 141 and a second bearing 143, the rotating shaft 142 rotatably penetrates through the stator assembly 13, two ends of the rotating shaft 142 respectively protrude from the first mounting hole 12161 and the second mounting hole 1222, the rotating shaft 142 is engaged with the first mounting hole 12161 through the first bearing 141, the rotating shaft 142 is engaged with the second mounting hole 1222 through the second bearing 143, a diffuser 16 is sleeved on the body of the rotating shaft 142 protruding from the first mounting hole 12161, a movable impeller 15 is sleeved on the body of the rotating shaft 142 protruding from the first mounting hole 12161 and is far away from the end cover, the wind cover 11 is engaged with an outer surface of the second ring 1213, the movable impeller 15 and the diffuser 16 are respectively arranged in the fan housing 11.

According to the utility model discloses a fan 10, wherein, the first mounting hole 12161 and the first ring 1215 coaxial setting of the end cover of casing subassembly 12, connector 1211 and the link cooperation of support 122 make the second mounting hole 1222 and the coaxial setting of first ring 1215 of support 122, and at this moment, first ring 1215, first mounting hole 12161 and the coaxial setting of second mounting hole 1222 three. When assembling, the stator assembly 13 of the fan 10 is installed in the first ring 1215 and fixed by clamping, the stator is coaxially arranged with the first ring 1215 after being assembled, the rotor assembly 14 of the fan 10 penetrates through the inside of the stator assembly 13, two ends of the rotor assembly 14 are respectively matched with the first mounting hole 12161 of the end cover and the second mounting hole 1222 of the support 122, and the rotor assembly 14 is arranged on the same axis with the stator assembly 13 after being assembled, so that the assembling precision of the fan 10 is improved, and the failure rate is reduced.

It should be noted that the fan 10 further includes a diffuser 16, an impeller 15 and a fan housing 11, the diffuser 16 is sleeved on the body of the rotating shaft 142 protruding from the first mounting hole 12161, the impeller 15 is sleeved on the body of the rotating shaft 142 protruding from the first mounting hole 12161 and is disposed away from the end cover, the fan housing 11 is engaged with the outer surface of the second ring 1213, and the impeller 15 and the diffuser 16 are respectively disposed in the fan housing 11.

The fan 10 assembly process that this application provided does:

arranging the stator assembly 13 in the first ring 1215, and fixing the stator assembly 13 and the inner surface of the first ring 1215 through clamping;

the first bearing 141 is installed in the first installation hole 12161 and the outer ring of the first bearing 141 is fixed to the inner wall of the first installation hole 12161 by clamping;

the second bearing 143 is installed in the second installation hole 1222, and the outer ring of the second bearing 143 is fixed with the inner wall of the second installation hole 1222 through clamping;

one end of the rotating shaft 142 sequentially passes through the inside of the stator assembly 13 and the inner ring of the first bearing 141, the inner ring of the first bearing 141 is clamped and fixed at the outer side of one end of the rotating shaft 142, and part of the body of the rotating shaft 142 protrudes out of the end cover;

the other end of the rotating shaft 142 passes through the inner ring of the second bearing 143, the bracket 122 is matched with the connecting body 1211 and fixed through the bolt 123, and the inner ring of the second bearing 143 is clamped and fixed at the outer side of the other end of the rotating shaft 142;

the diffuser 16 is sleeved on the body of the rotating shaft 142 protruding out of the end cover;

sleeving the movable impeller 15 on the body of the rotating shaft 142 protruding out of the end cover;

finally, the fan cover 11 is sleeved outside the second ring body 1213.

It should be noted that the fan 10 further includes a controller, and the controller is installed at the rear air outlet of the fan 10, so that the flowing air cools the controller, and the controller is prevented from being out of order due to too high temperature. In addition, in other embodiments, when the blower 10 is used in the cleaning apparatus 100, the controller of the blower 10 is integrated with a function board of the cleaning apparatus 100, so that the size of the blower 10 can be effectively reduced.

In addition, please refer to the prior art for other structures of the fan 10, which are not described herein.

A third aspect of the present invention provides a cleaning device 100, as shown in fig. 1 to 6, wherein a fan 10 is installed on the cleaning device 100, and the fan 10 is the fan 10 as described above.

According to the utility model discloses a cleaning device 100, in the casing subassembly 12 of fan 10, the first mounting hole 12161 and the first ring 1215 coaxial setting of end cover, connector 1211 and the link cooperation of support 122 make the second mounting hole 1222 and the coaxial setting of first ring 1215 of support 122, and at this moment, first ring 1215, first mounting hole 12161 and the coaxial setting of second mounting hole 1222 three. When the fan 10 is assembled, the stator assembly 13 of the fan 10 is installed in the first ring 1215 and fixed by clamping, the stator is coaxially arranged with the first ring 1215 after being assembled, the rotor assembly 14 of the fan 10 penetrates through the inside of the stator assembly 13, two ends of the rotor assembly 14 are respectively matched with the first mounting hole 12161 of the end cover and the second mounting hole 1222 of the support 122, and the rotor assembly 14 is arranged on the same axis with the stator assembly 13 after being assembled, so that the assembling precision of the fan 10 is improved, and the failure rate is reduced.

In addition, please refer to the prior art for other structures of the cleaning apparatus 100, which are not described herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A housing assembly for a wind turbine, the housing assembly comprising:

a casing (121), the casing (121) comprising a first ring body (1215), a connector (1211), and an end cap (1216) having a first mounting hole (12161), the first mounting hole (12161) being for one end mounting of a rotor assembly (14) of the wind turbine (10), an interior of the first ring body (1215) being for mounting of a stator assembly (13) of the wind turbine (10), the connector (1211) being disposed on an exterior surface of the first ring body (1215), the end cap (1216) being connected to the first ring body (1215), the first mounting hole (12161) being disposed coaxially with the first ring body (1215);

the rotor assembly (14) comprises a bracket (122), wherein a connecting end and a second mounting hole (1222) are arranged on the bracket (122), the second mounting hole (1222) is used for mounting the other end of the rotor assembly (14), the connecting end is connected with the connecting body (1211), and the second mounting hole (1222) and the first mounting hole (12161) are coaxially arranged.

2. The housing assembly of claim 1, wherein the casing (121) further comprises first tie bars (1214), wherein the end cap (1216) is connected to the first ring body (1215) by the first tie bars (1214), and wherein the end cap (1216) is spaced apart from the first ring body (1215).

3. The housing assembly of claim 2, wherein the first connecting rib (1214) is plural in number, and each of the first connecting ribs (1214) is spaced apart along a circumference of the first ring body (1215).

4. The housing assembly of claim 1, wherein the casing (121) further comprises a second ring (1213), the second ring (1213) being fitted around the outside of the first ring (1215), an inner surface of the second ring (1213) being spaced apart from an outer surface of the first ring (1215), the inner surface of the second ring (1213) being connected to the connector (1211).

5. The housing assembly of claim 4, wherein the number of the connecting bodies (1211) is plural, and each of the connecting bodies (1211) is spaced apart along a circumference of the first ring body (1215).

6. The housing assembly of claim 4, wherein the casing (121) further comprises second connecting ribs (1212), the second connecting ribs (1212) being connected to an outer surface of the first collar (1215) and an inner surface of the second collar (1213), respectively.

7. The housing assembly of claim 6, wherein the second connecting ribs (1212) are plural in number, and each of the second connecting ribs (1212) is arranged at intervals along a circumferential direction of the first ring body (1215).

8. The housing assembly of any of claims 1 to 7, wherein the connector (1211) defines a threaded hole (12111) and the connector defines a through hole (1221), and the housing assembly (12) further comprises a bolt that passes through the through hole (1221) and engages the threaded hole (12111) to connect the bracket (122) to the housing (121).

9. A fan, characterized in that the fan comprises:

a housing assembly according to any one of claims 1 to 8;

a stator assembly (13), the stator assembly (13) being mounted inside the first ring body (1215);

the rotor assembly (14), the rotor assembly (14) includes a rotating shaft (142), a first bearing (141) and a second bearing (143), the rotating shaft (142) is rotatably disposed through the stator assembly (13), two ends of the rotating shaft (142) respectively protrude from the first mounting hole (12161) and the second mounting hole (1222), the rotating shaft (142) is matched with the first mounting hole (12161) through the first bearing (141), and the rotating shaft (142) is matched with the second mounting hole (1222) through the second bearing (143).

10. A cleaning appliance having a fan mounted thereon, wherein the fan is according to claim 9.

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