CN211082322U

CN211082322U - Shell and stator mounting structure of fan

Info

Publication number: CN211082322U
Application number: CN201921178429.4U
Authority: CN
Inventors: 梁锐权; 张伟源
Original assignee: Guangdong Yongfeng Chiwell Electric Co ltd
Current assignee: Guangdong Yongfeng Chiwell Electric Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-07-24
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a shell and stator mounting structure of fan, includes the shell to and be located the stator of shell, be provided with unsmooth matched connecting piece between shell and the stator to make shell and stator assemble each other, the shell inner wall is provided with more than one draw-in groove, the stator outer wall is provided with more than one lug, the lug is spacing in the draw-in groove, in order to prevent to produce relative displacement between shell and the stator. The utility model discloses a fan assembly efficiency is high, and the assembly security is high, is favorable to improving the production efficiency of complete machine.

Description

Shell and stator mounting structure of fan

Technical Field

The utility model relates to an electrical product specifically is a shell and stator mounting structure of fan.

Background

The large-scale ceiling fan of old money generally uses the rings to connect the motor frame, and this mode increases part quantity, reduces the installation effectiveness, and the screw thread of rings has not hard up risk simultaneously.

Further, the stator and the housing need to be prevented from being displaced (relatively rotated) in the radial direction. At present, a common method is that a set screw is screwed inwards on a shell or the shell is connected with a stator by adopting a flat key, the number of connecting pieces of the structure is large, and the assembly efficiency is low.

The connection between the flange and the motor shaft is of great importance. At present, most of the machine types in the market adopt a double connection, namely, a motor shaft and a flange plate are connected by a screw, and the connection structure has low strength.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure is reasonable, the cost of manufacture is lower, the installation is nimble swift, effectively solve traditional fan connecting piece in large quantity, assembles the problem of complicacy, improves the shell and the stator mounting structure of the fan of assembly efficiency to overcome the weak point among the prior art.

The shell and stator mounting structure of the fan designed according to the purpose comprises a shell and a stator positioned in the shell, wherein a concave-convex matched connecting piece is arranged between the shell and the stator so as to enable the shell and the stator to be assembled with each other, more than one clamping groove is arranged on the inner wall of the shell, more than one convex block is arranged on the outer wall of the stator, and the convex block is limited in the clamping groove so as to prevent the shell and the stator from generating relative displacement; or more than one lug is arranged in the shell, and more than one clamping groove is arranged on the outer wall of the stator. The effect of fixing the relative positions of the two parts is achieved, the flat key does not need to be assembled, the production efficiency is improved, and the connection reliability is improved.

The rotor is arranged in the stator, the rotor seat is arranged in the rotor, more than one bulge is arranged on the inner wall of the rotor, the rotor seat is provided with a concave position, and the bulge is limited in the concave position so as to prevent relative displacement between the rotor and the rotor seat.

The fan comprises a fan shell, a stator mounting structure and a motor shaft, wherein the fan shell and the stator mounting structure also comprise the motor shaft which is mutually connected with a rotor base; the motor shaft penetrates through the flange plate, and an elastic retainer ring and a gasket are arranged between the flange plate and the flange plate, and are respectively sleeved on the outer side of the motor shaft; and a fastening nut is arranged at one end of the motor shaft penetrating through the flange plate so that the motor shaft and the flange plate form multiple connection. The elastic retainer ring is additionally arranged at the position of the diameter of the main shaft of the motor shaft, and the motor shaft is in a form of matching an external thread with a round nut, so that the reliability is improved through double connection. Compared with the internal thread, the form of the external thread matched with the round nut can also increase the diameter of the thread as much as possible, and the strength of the threaded connection is increased.

A limiting groove is formed in the flange plate, and a gasket of the motor shaft is located in the limiting groove.

The shell and the stator mounting structure of the fan further comprise an upper motor cover which is mutually assembled with the shell, the upper motor cover is connected with a mounting connecting frame, the upper motor cover is provided with a connecting shaft, the mounting connecting frame is provided with a connecting hole, more than one boss and groove are arranged between the connecting shaft and the connecting hole, and each boss is mutually aligned with the groove through rotation so that assembling holes between the upper motor cover and the mounting connecting frame are mutually aligned.

The outer wall of the connecting shaft is provided with more than one boss, and the bosses are arranged at intervals so that the connecting shaft of the motor upper cover forms a patterned shaft; more than one groove is arranged on the outer side of the connecting hole and communicated with each other, and the grooves are arranged at intervals so that the connecting hole for mounting the connecting frame forms a pattern hole.

The mounting connecting frame and the upper motor cover need to be reliably connected in the axial direction and stressed so as to bear the weight of the whole fan. The flower type hole on the installation link aligns the flower type axle that the motor upper cover corresponds earlier in the installation, and the installation link pushes down and rotates behind the top surface of motor upper cover, and flower type hole and flower type axle match each other, and when the pilot hole between motor upper cover and the installation link aligns each other, just can beat the screw. The whole weight of fan not only relies on the screw to bear, also installs link and motor upper cover simultaneously and bears, promotes factor of safety.

The outer wall of the upper motor cover is provided with more than one lifting lug, and the lifting lugs and the upper motor cover are integrally formed. The mode that rings were connected in the cancellation tradition use, lug and motor upper cover each other are integrated into one piece's structure when reducing part quantity, raising the efficiency, improve the security of connecting.

The utility model has the advantages as follows:

a. The upper motor cover and the mounting and connecting frame are connected in a matched mode through the flower-shaped shaft and the flower-shaped holes, so that the whole weight of the fan is borne by the screws, and meanwhile, the mounting and connecting frame and the upper motor cover bear the weight, and the safety factor is improved.

b. The lug and the motor upper cover are each other integrated into one piece's structure when reducing part quantity, raising the efficiency, improve the security of connecting.

c. The shell and the stator are not assembled with flat keys, so that the production efficiency is improved, and the connection reliability is improved.

d. The motor shaft and the flange plate are in multiple connection, so that the connection strength is improved.

In conclusion, the structure of the design is favorable for high fan assembly efficiency and high assembly safety, and is favorable for improving the production efficiency of the whole machine

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a stator according to an embodiment of the present invention.

Fig. 2 is a schematic view of an outer shell of the present invention.

Fig. 3 is a schematic view of an assembly structure of the housing and the stator according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic view of a three-dimensional structure of a rotor according to an embodiment of the present invention.

Fig. 6 is a schematic view of a three-dimensional structure of a rotor base according to an embodiment of the present invention.

Fig. 7 is a schematic view of an assembly structure of a rotor and a rotor base according to an embodiment of the present invention.

Fig. 8 is a schematic view of an assembly cross-sectional structure of a motor shaft, a flange plate and a fan blade chassis according to an embodiment of the present invention.

Fig. 9 is an enlarged view at B in fig. 8.

Fig. 10 is an exploded view of the motor shaft, the flange and the wind blade chassis according to an embodiment of the present invention.

Fig. 11 is an exploded view of the motor top cover and the mounting frame according to an embodiment of the present invention.

Fig. 12 is an enlarged view at C in fig. 11.

Fig. 13 is an enlarged view at D in fig. 11.

Fig. 14 is a schematic view of an assembly structure of the motor upper cover and the mounting connection frame according to an embodiment of the present invention.

Fig. 15 is a schematic perspective view of a fan according to an embodiment of the present invention.

Fig. 16 is an exploded view of a fan according to an embodiment of the present invention.

In the figure, 1 is the motor upper cover, 1.1 is the connecting axle, 1.2 is the boss, 1.3 is the lug, 2 is the installation link, 2.1 is the connecting hole, 2.2 is the recess, 3 is the shell, 3.1 is the draw-in groove, 4 is the stator, 4.1 is the lug, 5 is the rotor, 5.1 is the arch, 6 is the rotor seat, 6.1 is the concave position, 7 is the motor shaft, 8 is the fan blade chassis, 9 is the ring flange, 9.1 is spacing recess, 10 is fastening nut, 11 is the circlip, 12 is the packing ring, 13 is the pilot hole, 14 is the motor bottom.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-16, a housing and stator mounting structure of a fan includes a housing 3 and a stator 4 located in the housing 3, a concave-convex matched connector is provided between the housing 3 and the stator 4 to assemble the housing 3 and the stator 4 with each other, the inner wall of the housing 3 is provided with more than one slot 3.1, the outer wall of the stator 4 is provided with more than one projection 4.1, the projection 4.1 is limited in the slot 3.1 to prevent relative displacement between the housing 3 and the stator 4; or more than one lug is arranged in the shell 3, and more than one clamping groove is arranged on the outer wall of the stator 4.

Be provided with rotor 5 in the stator 4, be provided with rotor seat 6 in the

rotor

5, 5 inner walls of rotor are provided with more than one arch 5.1, and rotor seat 6 is provided with concave position 6.1, and arch 5.1 is spacing in concave position 6.1 to prevent to produce relative displacement between rotor 5 and the rotor seat 6.

The fan comprises a fan shell and a stator mounting structure, and also comprises a motor shaft 7 which is mutually connected with a rotor base 6, wherein one end of the motor shaft 7, which is far away from the rotor base 6, is connected with a fan blade chassis 8, and a flange plate 9 is arranged between the motor shaft 7 and the fan blade chassis 8; the motor shaft 7 penetrates through the flange plate 9, an elastic retainer ring 11 and a gasket 12 are arranged between the flange plate and the flange plate, and the elastic retainer ring 11 and the gasket 12 are respectively sleeved on the outer side of the motor shaft 7; the motor shaft 7 is provided with a fastening nut 10 at one end penetrating the flange 9 so that the motor shaft 7 and the flange 9 form a multiple connection.

A limiting groove 9.1 is arranged in the flange plate 9, and a gasket 12 of the motor shaft 7 is positioned in the limiting groove 9.1.

The motor shaft 7 is provided with a mounting groove corresponding to the elastic retainer ring 11, and the elastic retainer ring 11 is limited in the mounting groove.

The motor shaft 7 is provided with a limiting step corresponding to the gasket 12, the motor shaft 7 penetrates through the gasket 12, the motor shaft 7 is sleeved with the fastening nut 10, and the gasket 12 is located in a gap between the limiting step and the fastening nut 10.

The shell and the stator mounting structure of fan still include the motor upper cover 1 of mutually assembling with shell 3, motor upper cover 1 is connected with erection joint frame 2, motor upper cover 1 is provided with connecting axle 1.1, erection joint frame 2 is provided with connecting hole 2.1, connecting axle 1.1, be provided with more than one boss 1.2 and recess 2.2 between the connecting hole 2.1, every boss 1.2 aligns each other through rotation and recess 2.2 to make the pilot hole 13 between motor upper cover 1 and the erection joint frame 2 align each other.

More than one boss 1.2 is arranged on the outer wall of the connecting shaft 1.1, and the bosses 1.2 are arranged at intervals; more than one groove 2.2 is arranged outside the connecting hole 2.1 and communicated with each other, and each groove 2.2 is arranged at intervals.

The outer wall of the motor upper cover 1 is provided with more than one lifting lug 1.3, and the lifting lugs 1.3 and the motor upper cover 1 are integrally formed.

The connecting shaft 1.1 of this embodiment is provided with six bosss 1.2, and connecting hole 2.1 is provided with six recesses 1.2, and after installation link 2 pushed down the top surface of motor upper cover 1, installation link 2 rotated 30 back, six bosss 1.2 and six recesses 1.2 were aimed at each other, and six pilot holes 13 between motor upper cover 1 and the installation link 2 were aimed at each other this moment, and rethread screw is with motor upper cover and installation link 2 interconnect.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shell and stator mounting structure of a fan comprises a shell (3) and a stator (4) positioned in the shell (3), and is characterized in that a concave-convex matched connecting piece is arranged between the shell (3) and the stator (4) so as to enable the shell (3) and the stator (4) to be assembled with each other, more than one clamping groove (3.1) is arranged on the inner wall of the shell (3), more than one convex block (4.1) is arranged on the outer wall of the stator (4), and the convex block (4.1) is limited in the clamping groove (3.1) so as to prevent the shell (3) and the stator (4) from generating relative displacement; or more than one lug is arranged in the shell (3), and more than one clamping groove is arranged on the outer wall of the stator (4).

2. The fan casing and stator mounting structure of claim 1, wherein a rotor (5) is arranged in the stator (4), a rotor seat (6) is arranged in the rotor (5), more than one protrusion (5.1) is arranged on the inner wall of the rotor (5), a concave position (6.1) is arranged on the rotor seat (6), and the protrusion (5.1) is limited in the concave position (6.1) to prevent relative displacement between the rotor (5) and the rotor seat (6);

The wind-driven generator is characterized by also comprising a motor shaft (7) which is mutually connected with the rotor seat (6), wherein one end of the motor shaft (7) far away from the rotor seat (6) is connected with a wind blade chassis (8), and a flange plate (9) is arranged between the motor shaft (7) and the wind blade chassis (8); the motor shaft (7) penetrates through the flange plate (9), an elastic retainer ring (11) and a gasket (12) are arranged between the flange plate and the flange plate, and the elastic retainer ring (11) and the gasket (12) are respectively sleeved on the outer side of the motor shaft (7); a fastening nut (10) is arranged at one end of the motor shaft (7) penetrating through the flange plate (9) so that the motor shaft (7) and the flange plate (9) form multiple connection;

A limiting groove (9.1) is formed in the flange plate (9), and a gasket (12) of the motor shaft (7) is positioned in the limiting groove (9.1);

The motor upper cover (1) is mutually assembled with the shell (3), the motor upper cover (1) is connected with an installation connecting frame (2), the motor upper cover (1) is provided with a connecting shaft (1.1), the installation connecting frame (2) is provided with a connecting hole (2.1), more than one boss (1.2) and groove (2.2) are arranged between the connecting shaft (1.1) and the connecting hole (2.1), and each boss (1.2) is mutually aligned with the groove (2.2) through rotation so that an assembling hole (13) between the motor upper cover (1) and the installation connecting frame (2) is mutually aligned;

More than one lug boss (1.2) is arranged on the outer wall of the connecting shaft (1.1), and the lug bosses (1.2) are arranged at intervals; more than one groove (2.2) is arranged on the outer side of the connecting hole (2.1) and communicated with each other, and the grooves (2.2) are arranged at intervals;

The motor is characterized in that more than one lifting lug (1.3) is arranged on the outer wall of the motor upper cover (1), and the lifting lugs (1.3) and the motor upper cover (1) are integrally formed.