CN217427885U

CN217427885U - Outer rotor industrial ceiling fan motor structure

Info

Publication number: CN217427885U
Application number: CN202221352343.0U
Authority: CN
Inventors: 莫金华
Original assignee: Wenling Jintai Plastic Products Co ltd
Current assignee: Wenling Jintai Plastic Products Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-13
Anticipated expiration: 2032-06-01

Abstract

The utility model provides an outer rotor industry ceiling fan motor structure belongs to electric fan technical field. The problem that the connecting point of the existing industrial fan blade is easy to break and the connecting structure is not stable enough is solved. This outer rotor industry ceiling fan motor structure, including motor body, upper cover and lower cover, motor body is the external rotor electric machine, upper cover and lower cover are fixed in the upper and lower both ends of motor body rotor respectively, the edge of upper cover and lower cover all is provided with round installation step and fixes through the rotor terminal surface on installation step along its circumferencial direction is vertical wears to establish screw and motor body, the even constant head tank that is radial distribution of offering of upper cover's upper surface interval, the inside of upper cover have the integral type structure and with the corresponding strengthening rib of constant head tank, two at least through-holes have been seted up to the axial in every constant head tank, this through-hole passes the strengthening rib simultaneously. The utility model has the advantages of it is more stable firm to make blade and casing end cover be connected.

Description

Outer rotor industrial ceiling fan motor structure

Technical Field

The utility model belongs to the technical field of the electric fan, a ceiling fan is related to, in particular to outer rotor industry ceiling fan motor.

Background

The industrial ceiling fan is a common industrial machine which is widely applied to high-volume spaces such as industrial factory buildings, logistics storage, waiting rooms, exhibition halls, gymnasiums, business halls and the like, and used for ventilating the spaces and cooling personnel. The air flow layer can push a large amount of air flow to the ground, and the air flow layer at a certain height moves horizontally on the ground, so that the whole air circulation is promoted, and the ground can be covered in an all-round manner and the air can be circulated in a three-dimensional manner.

The traditional industrial ceiling fan is usually formed by matching an alternating current asynchronous motor with a speed reducer, the speed reducer causes large working noise due to factors such as dust, cold and heat circulation, mechanical vibration and the like after working for a long time, the experience of a user is influenced, meanwhile, the efficiency of the alternating current asynchronous motor is low, the transmission loss is reduced through the speed reducer, the whole transmission efficiency is below 50 percent, therefore, most of the existing industrial ceiling fans adopt an outer rotor direct current permanent magnet brushless motor, the blades of the fan are directly fixed on the motor shell, but the blade length of fan is longer to following problem appears easily through the structure of blade endpoint snap-on at present, the tie point of blade can be because lever principle breaks off, must consolidate it, causes blade weight to increase, and efficiency is lower, and two, connecting portion are unstable enough to make every blade inclination inconsistent, and the ceiling fan is starting and taking place to rock easily when stopping.

Disclosure of Invention

The utility model aims at providing a make blade and casing end cover be connected more stable firm outer rotor industry ceiling fan motor structure to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an outer rotor industry ceiling fan motor structure, includes motor body, upper cover and lower cover, motor body be external rotor electric machine, upper cover and lower cover be fixed in the upper and lower both ends of motor body rotor respectively, the edge of upper cover and lower cover all is provided with round installation step and fixes through the rotor terminal surface at installation step along its circumferencial direction vertical screw and motor body of wearing to establish, its characterized in that, the upper surface interval of upper cover is even offers the constant head tank that is radial distribution, the inside of upper cover have the integral type structure and with the corresponding strengthening rib of constant head tank, every the constant head tank in the axial seted up two at least through-holes, this through-hole passes the strengthening rib simultaneously.

In the structure of the outer rotor industrial ceiling fan motor, arc-shaped grooves are formed in two sides of the bottom of each positioning groove.

In the structure of the outer rotor industrial ceiling fan motor, the bearing seat is arranged at the center inside the upper cover, and two bearings are placed in the bearing seat in parallel.

In the structure of the outer rotor industrial ceiling fan motor, the outer end surface of the lower cover is radially provided with the heat dissipation teeth which are circumferentially arranged.

In the structure of the outer rotor industrial ceiling fan motor, each through hole is provided with a bolt from inside to outside in a penetrating manner, a connecting block is fixed through a nut and the bolt, and the end part of the connecting block is clamped in the positioning groove.

In the motor structure of the outer rotor industrial ceiling fan, one end of the connecting block extends to the outside of the positioning groove and is sleeved with the blade, and the blade is of a hollow structure.

In the motor structure of the outer rotor industrial ceiling fan, the part of the connecting block, which is positioned outside the positioning groove, is provided with a supporting clamping groove, and the lower surface of the blade is positioned in the supporting clamping groove.

In the motor structure of the outer rotor industrial ceiling fan, the arc-shaped pressing plates which are connected end to end are arranged between the upper surfaces of the blades, and the end parts of the arc-shaped pressing plates, the blades and the connecting blocks are fastened into a whole through the vertical penetrating bolts.

Compared with the prior art, the outer rotor industrial ceiling fan motor structure has the following advantages:

1. the positioning groove is formed in the outer surface of the upper cover, and the reinforcing ribs corresponding to the positioning groove are arranged on the inner surface of the upper cover and used for mounting the blades of the ceiling fan, so that the structural strength of the mounting position is higher, and the stability of the blades after mounting is better;

2. the upper cover and the blades are fixed through the connecting blocks, the end parts of the blades are sleeved on the connecting blocks, the connecting parts of the blades are not prone to fracture due to the fixing structure, and meanwhile, the longer blades can be supported.

Drawings

FIG. 1 is a schematic view of a motor construction;

FIG. 2 is a schematic view of the outer structure of the upper cover;

FIG. 3 is a schematic view of the inner structure of the upper cover;

FIG. 4 is an external view of the lower cover;

FIG. 5 is a schematic view of the mounting structure of the motor and the blade;

FIG. 6 is an exploded view of the structure of the connecting block and the blade;

in the figure, 1, a motor body; 2. an upper cover; 3. a lower cover; 4. mounting a step; 5. positioning a groove; 6. reinforcing ribs; 7. a through hole; 8. an arc-shaped groove; 9. a bearing seat; 10. a heat dissipating tooth; 11. connecting blocks; 12. a blade; 13. a support slot; 14. an arc-shaped pressing plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, this outer rotor industry ceiling fan motor structure, including motor body 1, upper cover 2 and lower cover 3, motor body 1 is the external rotor electric machine, upper cover 2 and lower cover 3 are fixed in the upper and lower both ends of motor body 1 rotor respectively, the edge of upper cover 2 and lower cover 3 all is provided with round installation step 4 and is fixed with the rotor terminal surface on the motor body 1 through installing step 4 along the vertical screw of wearing to establish of its circumferencial direction, motor body 1's center is the stator, it is fixed with the installation axle to connect on the stator, the length of this axle is 5 meters axles, the upper end of axle is fixed with the ceiling of industry factory building.

The even constant head tank 5 that is radial distribution of offering in upper cover 2's upper surface interval, constant head tank 5 is the rectangle structure, quantity is 6, can carry out appropriate increase and decrease according to the big low power difference of ceiling fan, the inside of upper cover 2 has the integral type structure and with the corresponding strengthening rib 6 of constant head tank 5, upper cover 2 adopts integral type casting, at least two through-holes 7 have been seted up to the axial in every constant head tank 5, this through-hole 7 passes strengthening rib 6 simultaneously, through-hole 7 is used for installing blade 12, wherein constant head tank 5 cooperates two at least through-holes 7 mainly used to prevent to remove about.

To explain further, in order to prevent the upper cover 2 from being broken by stress after the positioning grooves 5 are formed, arc-shaped grooves 6 are formed on two sides of the bottom of each positioning groove 5.

The inside center of upper cover 2 is provided with bearing frame 9, has placed two bearings in the bearing frame 9 side by side, and the bearing housing is established at the installation epaxial, because can produce relative rotary motion between upper cover 2 and the installation axle, is used for increasing the stability when moving through the setting of bearing.

The radial heat dissipation tooth 10 that is the circumference and arranges that is provided with of the outside terminal surface of lower cover 3, the air current that produces when cooperating lower cover 3 is rotatory through increasing heat radiating area is used for promoting motor body 1's radiating effect.

This ceiling fan is when the equipment, and every through-hole 7 is worn to be equipped with the bolt from inside to outside, and the head of bolt prevents rotatoryly at 2 internal fixation on the upper cover, and this structure can make things convenient for the dismantlement of later stage blade 12 to have connecting block 11 through nut cooperation bolt fastening, in locating constant head tank 5 is located to the tip card of connecting block 11, produces a spacing effect to connecting block 11 through constant head tank 5.

Connecting block 11's one end extends to 5 outsides of constant head tank and overlaps and be equipped with blade 12, and blade 12 is the cavity formula structure, and connecting block 11 is solid construction, and is traditional relatively directly better with the fastness of blade 12 connection this structure on the motor, is equivalent to the tradition be some support, and this structure is the face support, and the junction is difficult for splitting.

In order to further improve the firmness of the joint of the blade 12, a supporting slot 13 is formed in the connecting block 11 at a portion outside the positioning slot 5, and the lower surface of the blade 12 is located in the supporting slot 13, that is, the blade 12 is supported and fixed by two surfaces.

Arc-shaped pressing plates 14 which are connected end to end are arranged between the upper surfaces of the blades 12, the end parts of the arc-shaped pressing plates 14, the blades 12 and the connecting blocks 11 are fastened into a whole through vertical penetrating bolts, and the arc-shaped pressing plates 14 can enable the blades 12 to be connected into a whole, so that the stability of the integral structure of the ceiling fan in operation is further improved.

The technical effects of the outer rotor industrial ceiling fan motor structure are as follows: for traditional industry ceiling fan, the utility model discloses increased constant head tank 5 in the outside fixed department of upper cover 2 and cooperated inside strengthening rib 6 simultaneously and make the connection structure of this department more firm, be fixed in the mounting groove through connecting block 11 between blade 12 and the upper cover 2 simultaneously in, it is bigger to the support area of blade 12, and the fixed part of blade 12 is difficult for breaking, connects into a whole through arc clamp plate 14 with every independent blade 12 after that, makes the ceiling fan more stable when the operation.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although various terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An outer rotor industrial ceiling fan motor structure comprises a motor body (1), an upper cover (2) and a lower cover (3), wherein the motor body (1) is an outer rotor motor, the upper cover (2) and the lower cover (3) are respectively fixed at the upper end and the lower end of a rotor of the motor body (1), the edges of the upper cover (2) and the lower cover (3) are respectively provided with a circle of mounting steps (4) and are fixed with the end face of the rotor on the motor body (1) through screws vertically penetrating in the circumferential direction of the mounting steps (4), the outer rotor industrial ceiling fan motor structure is characterized in that positioning grooves (5) which are distributed in the radial direction are uniformly arranged on the upper surface of the upper cover (2) at intervals, reinforcing ribs (6) which are of an integrated structure and correspond to the positioning grooves (5) are arranged inside the upper cover (2), at least two through holes (7) are axially arranged in each positioning groove (5), the through hole (7) simultaneously penetrates through the reinforcing rib (6).

2. The structure of the outer rotor industrial ceiling fan motor as claimed in claim 1, wherein arc grooves (8) are formed at both sides of the bottom of each positioning groove (5).

3. The structure of the outer rotor industrial ceiling fan motor as claimed in claim 1, wherein a bearing seat (9) is provided at the inner center of the upper cover (2), and two bearings are juxtaposed in the bearing seat (9).

4. The structure of the external rotor industrial ceiling fan motor according to claim 1, wherein the outer end surface of the lower cover (3) is radially provided with heat dissipation teeth (10) arranged in a circumferential manner.

5. The structure of claim 1, wherein each through hole (7) is provided with a bolt from inside to outside, and a connecting block (11) is fixed by a nut and a bolt, and the end of the connecting block (11) is clamped in the positioning groove (5).

6. The structure of the external rotor industrial ceiling fan motor as claimed in claim 5, wherein one end of the connecting block (11) extends to the outside of the positioning groove (5) and is sleeved with a blade (12), and the blade (12) is of a hollow structure.

7. The structure of the external rotor industrial ceiling fan motor according to claim 6, wherein the portion of the connecting block (11) outside the positioning groove (5) is provided with a supporting slot (13), and the lower surface of the blade (12) is located in the supporting slot (13).

8. The structure of the external rotor industrial ceiling fan motor according to claim 6 or 7, wherein an arc-shaped pressure plate (14) is arranged between the upper surfaces of the blades (12) in an end-to-end manner, and the end parts of the arc-shaped pressure plate (14), the blades (12) and the connecting block (11) are fastened into a whole through vertical through bolts.