CN209990673U

CN209990673U - Industrial ceiling fan

Info

Publication number: CN209990673U
Application number: CN201920756558.0U
Authority: CN
Inventors: 赵建刚
Original assignee: SUZHOU AOBAOJIE MOTOR TECHNOLOGY Co Ltd
Current assignee: SUZHOU AOBAOJIE MOTOR TECHNOLOGY Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-24
Anticipated expiration: 2029-05-24

Abstract

The utility model provides an industrial ceiling fan, including gallows subassembly, electric fan assembly and fixed subassembly, fixed subassembly with gallows subassembly, electric fan assembly cooperate, with will electric fan assembly fixed mounting be in on the gallows subassembly. Compared with the prior art, the utility model discloses industry ceiling fan passes through mutually supporting of key, keyway and transmits moment to effectively increased the moment transmission area between center pin and connecting piece, the moment transmission piece, thereby made connecting piece, moment transmission piece be difficult for taking place to warp, difficult wearing and tearing, thereby greatly improved the life of industry ceiling fan.

Description

Industrial ceiling fan

Technical Field

The utility model relates to an industrial ceiling fan.

Background

The industrial ceiling fan is a product developed specially for saving energy, reducing consumption and improving the comfort level of the working environment. When the user is under the large energy-saving fan, the user can feel the three-dimensional air supply from all directions, so that the sweat evaporation area reaches the maximum, and a breeze system exactly like the nature is formed. The blades of industrial ceiling fans are typically over 5 meters in diameter. Thus, when the industrial ceiling fan is operated, the fixing part for fixedly mounting the motor on the hanging bracket can be subjected to extremely large torque. As the use time increases, the fixing piece deforms due to the action of torque, and the use of the industrial fan is further influenced.

In view of the above, there is a need for a new industrial ceiling fan that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industry ceiling fan, this industry ceiling fan pass through mutually supporting of key, keyway and transmit moment to effectively increased the moment transmission area between center pin and connecting piece, the moment transmission piece, thereby made connecting piece, moment transmission piece be difficult for taking place to warp, difficult wearing and tearing, thereby greatly improved the life of industry ceiling fan.

In order to achieve the purpose, the utility model provides an industrial ceiling fan, which comprises a hanger component, wherein the hanger component is arranged on an indoor or outdoor bearing structure and comprises an extension rod, and at least one first positioning part is arranged on the extension rod; the electric fan assembly is provided with a central shaft, and a first fixing part and a first main torque transmission part are arranged on the central shaft; the fixed component is matched with the extension rod and the central shaft so as to fixedly install the electric fan component on the extension rod; the fixing assembly includes: the connecting piece comprises a bottom wall and side walls formed by respectively bending and extending from two sides of the bottom wall; the bottom wall is provided with a shaft hole for the central shaft to pass through and a first auxiliary torque transmission part; the side wall is provided with a second positioning part and a second fixing part, the first positioning part and the second positioning part are matched with each other to enable the connecting piece to be fixed on the extension rod, and the first fixing part and the second fixing part are matched with each other to enable the central shaft to be fixed on the connecting piece; the torque transmission piece comprises a cylinder and an extension table, wherein the extension table is formed by extending outwards from one end of the cylinder along the radial direction of the cylinder; a second main torque transmission part matched with the first main torque transmission part is arranged on the inner wall of the cylinder body; and a second auxiliary torque transmission part matched with the first auxiliary torque transmission part is arranged on one side of the extension table opposite to the bottom wall.

As a further improvement of the present invention, the first main torque transmission part is a main key disposed along the axial direction of the central shaft; the second main torque transmission part is a main key groove matched with the main key.

As a further improvement of the present invention, the first auxiliary torque transmission part is an auxiliary key groove, and the second auxiliary torque transmission part is an auxiliary key matched with the auxiliary key groove.

As a further improvement, the first positioning portion and the second positioning portion are positioning holes, and the first positioning portion and the second positioning portion are fixed together by fasteners.

As a further improvement of the present invention, the first fixing portion and the second fixing portion are fixing holes, and the first fixing portion and the second fixing portion are fixed together by a fastening member.

As a further improvement of the utility model, an auxiliary adjusting groove is arranged on the side wall, and an auxiliary adjusting hole matched with the auxiliary adjusting groove is arranged on the extension rod; the auxiliary adjusting groove and the auxiliary adjusting hole are fixed together through a fastener, so that the mounting angle of the connecting piece can be adjusted by adjusting the matching position between the auxiliary adjusting groove and the auxiliary adjusting hole.

As a further improvement of the present invention, the auxiliary adjustment groove is located between the second positioning portion and the second fixing portion.

As a further improvement of the present invention, the first pair of torque transmission portions is two and located on both sides of the shaft hole.

As a further improvement of the present invention, the hanger assembly further includes a mounting base, the mounting base includes a base plate and a fixing arm formed by the base plate protruding outwards, the fixing arm with the extension rod is fixed together.

As a further improvement of the utility model, the fixed arm is provided with a main adjusting groove in an arc shape, and the extension rod is provided with a main adjusting hole matched with the main adjusting groove; the main adjusting groove and the main adjusting hole are fixed together through a fastener, so that the installation angle of the extension rod can be adjusted by adjusting the matching position between the main adjusting groove and the main adjusting hole.

The utility model has the advantages that: the utility model discloses industry ceiling fan passes through mutually supporting of key, keyway and transmits moment to effectively increased the moment transmission area between center pin and connecting piece, the moment transmission piece, thereby made connecting piece, moment transmission piece be difficult for taking place to warp, difficult wearing and tearing, thereby greatly improved the life of industry ceiling fan.

Drawings

Fig. 1 is a schematic perspective view of the industrial ceiling fan of the present invention.

FIG. 2 is an exploded view of the industrial ceiling fan of FIG. 1.

FIG. 3 is a cross-sectional view of the industrial ceiling fan of FIG. 1.

Fig. 4 is an exploded perspective view of the motor-fan assembly.

Fig. 5 is a cross-sectional view of the lower end cap.

Figure 6 is a schematic view of a stator assembly.

Fig. 7 is an enlarged partial view of the stator assembly shown in fig. 6.

Fig. 8 is a perspective view of the securing assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, 2, 4 and 5, the present invention discloses an industrial ceiling fan 100, which includes a hanger assembly 10, a fan assembly 20 and a fixing assembly 30, wherein the fixing assembly 30 is matched with the hanger assembly 10 and the fan assembly 20 to fixedly mount the fan assembly 20 on the hanger assembly 10.

Referring to fig. 1, 2 and 3, the hanger assembly 10 is mounted on an indoor or outdoor load bearing structure, such as: roof beam of large-scale factory building or market. The hanger assembly 10 includes a mounting base 11 and an extension pole 12 coupled to the mounting base 11. The mounting base 11 includes a base plate 111 and a fixing arm 112 formed to protrude outward from the base plate 111. The base plate 111 is provided with a plurality of fixing holes 1111 for fixing the base plate 111 to an indoor or outdoor load-bearing structure by means of fasteners. The fixing arm 112 is provided with a main mounting hole (not shown) and a main adjustment groove 1121 having an arc shape. The main mounting hole is located at one end of the fixing arm 112 close to the base plate 111, and the main adjusting groove 1121 is located at one end of the fixing arm 112 away from the base plate 111. The extension rod 12 is substantially hollow and rectangular, and one end of the extension rod close to the mounting seat 11 is provided with an auxiliary mounting hole 121 matched with the main mounting hole and a main adjusting hole 122 matched with the main adjusting groove 1121. The main mounting hole and the auxiliary mounting hole 121 are fixed together by a fastener to fixedly mount the extension rod 12 on the mounting seat 11. The main adjustment groove 1121 and the main adjustment hole 122 are fixed together by a fastener. By adjusting the fitting position between the main adjustment groove 1121 and the main adjustment hole 122, the installation angle of the extension pole 12 can be adjusted. One end of the extension rod 12 facing away from the mounting seat 11 is provided with at least one first positioning portion 123 and a sub-adjustment hole 124.

Referring to fig. 3, 4 and 5, the electric fan assembly 20 includes a cover 21, a motor assembly 22 coupled to the cover 21, and a hub 23 mounted on the cover 21. The cover 21 includes an upper cover 211 and a lower cover 212 disposed opposite to the upper cover 211. The upper end cover 211 and the lower end cover 212 together enclose to form a containing cavity 213. The upper end cover 211 is provided with a shaft hole 2111 and a second stopper 2112. A bearing 2113 is arranged in the shaft hole 2111, and the second limiting portions 2112 are uniformly distributed on the periphery of the shaft hole 2111. The lower end cover 212 is provided with a shaft hole 2121 matched with the shaft hole 2111, and a bearing 2122 is arranged in the shaft hole 2121. One side of the lower end cover 212 facing the upper end cover 211 is provided with a plurality of heat dissipation ribs 201 and reinforcing ribs 202. When the electric fan assembly 20 is in operation, the heat dissipating ribs 201 agitate the air inside the cover 21, so that heat generated by the motor assembly 22 is quickly transferred to the cover 21 and then dissipated to the surrounding environment through the surface of the cover 21. Thus, the heat dissipation performance of the electric fan assembly 20 can be effectively enhanced. Specific test data are shown in table 1.

Table 1: stator assembly temperature testing

As can be seen from table 1, the heat dissipating ribs 201 can effectively help the electric fan assembly 20 dissipate heat.

In this embodiment, the heat dissipating ribs 201 and the reinforcing ribs 202 are disposed on the lower end cover 212, but in other embodiments, the heat dissipating ribs 201 and the reinforcing ribs 202 may also be disposed on a side of the upper end cover 211 facing the lower end cover 212. The ratio of the height to the thickness of the heat dissipating ribs 201 is not less than 6. The ratio of the height to the thickness of the rib 202 is not more than 4. In this embodiment, the thickness of the heat dissipation rib is not greater than 2.5mm, and the thickness of the reinforcing rib 202 is not less than 4 mm. The number of the heat dissipation ribs 201 is not less than 12, and the heat dissipation ribs are uniformly distributed on the lower end cover 212 in a spoke shape. The number of the reinforcing ribs 202 is not more than 8, and the reinforcing ribs are uniformly distributed on the lower end cover 212 in a spoke shape. The number of the heat dissipating ribs 201 between the adjacent reinforcing ribs 202 is not less than 1. Preferably, the heat dissipating ribs 201 are perpendicular to the bottom wall of the lower end cover 212, so as to support the electric fan assembly 20 to rotate forward and backward.

Compared with the prior art, the utility model discloses industry ceiling fan 100 is through setting up heat dissipation muscle 201, thereby make electric fan assembly 20's heat dispersion obtains promoting, has effectively reduced electric fan assembly 20's temperature.

Referring to fig. 2, 4 and 6, the motor assembly 22 includes a stator assembly and a rotor assembly. The stator assembly includes a circular plate-shaped iron core 221 and a central shaft 222 engaged with the bearing. The iron core 221 is provided with a plurality of teeth 2211 at the periphery, and a groove 2212 is formed between adjacent teeth 2211. The ratio of the tooth width to the tooth length of the teeth is 0.07-0.23. When the ratio of the tooth width to the tooth length is less than 0.07, the sectional area of the tooth 2211 is too small, which results in too large magnetic permeability of the tooth 2211, and further increases the iron loss of the iron core 221, thereby reducing the overall efficiency of the motor assembly 22. The reduced efficiency of the motor assembly 22 may result in an increased temperature of the motor assembly 22, which may reduce the reliability of the motor assembly 22 and even damage the motor assembly 22 due to excessive temperature. When the ratio of the tooth width to the tooth length is greater than 0.23, the sectional area of the tooth 2211 is too large, so that the magnetic permeability of the tooth 2211 is too small, and the output power of the motor assembly 22 is reduced, so that the reliability of the motor assembly 22 is reduced, and even the motor assembly 22 is damaged due to overheating. Preferably, the ratio of the tooth width to the tooth length is between 0.07 and 0.16. Specific test data are shown in table 2.

Table 2: test data of different tooth width and tooth length ratios

Compared with the prior art, the utility model discloses industrial ceiling fan 100 makes through the special design of tooth width, tooth height industrial ceiling fan 100 has lower input power under the unchangeable condition of output to reduced industrial ceiling fan 100's energy consumption, and then reduced industrial ceiling fan 100's heat dissipation capacity has effectively promoted industrial ceiling fan 100's life.

Referring to fig. 2, a first fixing portion 2221 and a first main torque transmission portion 2222 are disposed at one end of the central shaft 222 close to the extension rod 12. Referring to fig. 6, the rotor assembly includes an outer ring 223 and a plurality of magnetic poles 224 disposed in the outer ring 223. The outer ring 223 is installed between the upper end cover 211 and the lower end cover 212. In the present embodiment, the number of the magnetic poles 224 is 60, and the number of the grooves 2212 is 54, so that the motor assembly 22 has high motor efficiency, that is: with constant output power, there is minimal input power, thereby reducing the amount of heat dissipated by the motor assembly 22. The core 221 is further provided with stress dispersion holes 2213 to adjust stress transmission. The stress dispersion holes 2213 are uniformly distributed in a spoke shape on the iron core 221.

Referring to fig. 4, the hub 23 includes a base 231 and an extending portion 232 extending outwardly from the base 231. The base 231 is provided with a first limiting portion 2311, and the first limiting portion 2311 is matched with the second limiting portion 2112 to fixedly mount the fan hub 23 on the upper end cover 211. The extension 232 is mounted with a fan blade (not shown). In this embodiment, the first position-limiting portion 2311 is a groove, and the second position-limiting portion 2112 is a protrusion, but in other embodiments, the first position-limiting portion 2311 may be a protrusion, and the second position-limiting portion 2112 may be a groove. In this embodiment, the number of the first and second limiting

portions

2311 and 2112 is 4, and the first and second limiting portions are uniformly distributed on the periphery of the bearing 2113.

Referring to fig. 8, the fixing assembly 30 includes a connecting member 31 and a torque transmission member 32 coupled to the connecting member 31. The connecting member 31 includes a bottom wall 311 and side walls 312 formed by bending and extending from two sides of the bottom wall 311. The bottom wall 311 is provided with a shaft hole 3111 through which the center shaft 222 passes, and a first sub torque transmission portion 3112. The side wall 312 is provided with a second positioning portion 3121, a second fixing portion 3122, and a sub regulation groove 3123, and the sub regulation groove 3123 is located between the second positioning portion 3121 and the second fixing portion 3122. The first positioning portion 123 and the second positioning portion 3121 cooperate to allow the connecting member 31 to be fixedly mounted on the extension rod 12. In this embodiment, the first positioning portion 123 and the second positioning portion 3121 are positioning holes, and the first positioning portion 123 and the second positioning portion 3121 are fixed together by a fastener. The first fixing portion 2221 and the second fixing portion 3122 are engaged to fix the central shaft 222 to the connecting member 31. In this embodiment, the first fixing portion 2221 and the second fixing portion 3122 are fixing holes, and the first fixing portion 2221 and the second fixing portion 3122 are fixed together by a fastener. The auxiliary adjustment groove 3123 and the auxiliary adjustment hole 124 are fixed together by a fastener, so that the installation angle of the connecting member 31 can be adjusted by adjusting the fitting position between the auxiliary adjustment groove 3123 and the auxiliary adjustment hole 124.

Referring to fig. 8, the torque transmission member 32 includes a cylinder 321 and an extension platform 322 extending from one end of the cylinder 321 outward along a radial direction of the cylinder 321. A second main torque transmission part 3211 matched with the first main torque transmission part 2222 is disposed on the inner wall of the cylinder 321. In this embodiment, the first main torque transmitting part 2222 is a main key provided along the axial direction of the central shaft 222, and the second main torque transmitting part 3211 is a main key groove engaged with the main key, but in other embodiments, the first main torque transmitting part 2222 may be a main key groove, and the second main torque transmitting part 3211 may be a main key. A second sub-torque transmitting portion 3221 engaged with the first sub-torque transmitting portion 3112 is provided on a side of the extension table 322 opposite to the bottom wall 311. In this embodiment, the first sub-torque transmission part 3112 is a sub-key groove and the second sub-torque transmission part 3221 is a sub-key that fits in the sub-key groove, but in other embodiments, the first sub-torque transmission part 3112 may be a sub-key and the second sub-torque transmission part 3221 may be a sub-key groove. In the present embodiment, the first sub torque transmission part 3112 is two and is located on both sides of the shaft hole 3111.

Compared with the prior art, the utility model discloses industry ceiling fan 100 passes through mutually supporting of key, keyway and transmits moment to effectively increased moment transmission area between center pin 222 and connecting piece 31, the moment transmission piece 32, thereby make connecting piece 31, moment transmission piece 32 are difficult for taking place to warp, difficult wearing and tearing, thereby have greatly improved industry ceiling fan 100's life.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An industrial ceiling fan comprises

The hanging bracket assembly is arranged on an indoor or outdoor bearing structure and comprises an extension rod, and at least one first positioning part is arranged on the extension rod;

the electric fan assembly is provided with a central shaft, and a first fixing part and a first main torque transmission part are arranged on the central shaft; and

the fixed component is matched with the extension rod and the central shaft so as to fixedly install the electric fan component on the extension rod; the method is characterized in that:

the fixing assembly includes:

the connecting piece comprises a bottom wall and side walls formed by respectively bending and extending from two sides of the bottom wall; the bottom wall is provided with a shaft hole for the central shaft to pass through and a first auxiliary torque transmission part; the side wall is provided with a second positioning part and a second fixing part, the first positioning part and the second positioning part are matched with each other to enable the connecting piece to be fixed on the extension rod, and the first fixing part and the second fixing part are matched with each other to enable the central shaft to be fixed on the connecting piece; and

the torque transmission piece comprises a cylinder and an extension table, wherein the extension table extends outwards from one end of the cylinder along the radial direction of the cylinder; a second main torque transmission part matched with the first main torque transmission part is arranged on the inner wall of the cylinder body; and a second auxiliary torque transmission part matched with the first auxiliary torque transmission part is arranged on one side of the extension table opposite to the bottom wall.

2. The industrial ceiling fan of claim 1, wherein: the first main torque transmission part is a main key arranged along the axial direction of the central shaft; the second main torque transmission part is a main key groove matched with the main key.

3. The industrial ceiling fan of claim 1, wherein: the first auxiliary torque transmission part is an auxiliary key groove, and the second auxiliary torque transmission part is an auxiliary key matched with the auxiliary key groove.

4. The industrial ceiling fan of claim 1, wherein: the first positioning part and the second positioning part are positioning holes and are fixed together through a fastening piece.

5. The industrial ceiling fan of claim 1, wherein: the first fixing portion and the second fixing portion are fixing holes and are fixed together through fasteners.

6. The industrial ceiling fan of claim 1, wherein: the side wall is provided with an auxiliary adjusting groove, and the extension rod is provided with an auxiliary adjusting hole matched with the auxiliary adjusting groove; the auxiliary adjusting groove and the auxiliary adjusting hole are fixed together through a fastener, so that the mounting angle of the connecting piece can be adjusted by adjusting the matching position between the auxiliary adjusting groove and the auxiliary adjusting hole.

7. The industrial ceiling fan of claim 6, wherein: the auxiliary adjusting groove is positioned between the second positioning part and the second fixing part.

8. The industrial ceiling fan of claim 1, wherein: the first auxiliary torque transmission parts are two and are positioned on two sides of the shaft hole.

9. The industrial ceiling fan of claim 1, wherein: the hanger assembly further comprises a mounting seat, the mounting seat comprises a base plate and a fixed arm, the fixed arm protrudes outwards from the base plate to form the fixed arm, and the fixed arm and the extension rod are fixed together.

10. The industrial ceiling fan of claim 9, wherein: the fixed arm is provided with an arc-shaped main adjusting groove, and the extension rod is provided with a main adjusting hole matched with the main adjusting groove; the main adjusting groove and the main adjusting hole are fixed together through a fastener, so that the installation angle of the extension rod can be adjusted by adjusting the matching position between the main adjusting groove and the main adjusting hole.