CN213279335U

CN213279335U - Lifting lug type direct-drive motor and industrial fan

Info

Publication number: CN213279335U
Application number: CN202022129190.0U
Authority: CN
Inventors: 董明海; 文益雪; 王现立
Original assignee: Foshan Dengqi Servo Technology Co ltd
Current assignee: Foshan Dengqi Servo Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a lug formula directly drives motor and industrial fan. The lifting lug type direct-drive motor comprises a machine shell, a rotor and a stator, wherein the machine shell is provided with an upper end surface and a lower end surface, an installation cavity is arranged in the machine shell, a shaft hole communicated with the installation cavity is formed in the lower end surface, a lifting lug assembly is arranged on the upper end surface, the lifting lug assembly comprises a lifting lug plate which is vertically arranged, an arc-shaped lifting hole and a rotating hole are formed in the lifting lug plate, the arc center of the arc-shaped lifting hole is concentric with the axis of the rotating hole, and the hole axes of the arc-shaped lifting hole and the rotating hole are perpendicular to the; the rotor is rotatably arranged in the mounting cavity and is provided with an output shaft which is coaxial with the shaft hole; the stator is fixedly arranged in the mounting cavity, and the rotor and the stator are coaxially arranged. When the motor is installed, the inclination angle of the motor can be rotated around the rotating hole, and the locking bolt is used for locking and fixing the motor in the arc-shaped lifting hole, so that the axis of the output shaft of the motor can be kept vertical.

Description

Lifting lug type direct-drive motor and industrial fan

Technical Field

The utility model relates to a motor field, in particular to lug formula directly drives motor and industrial fan.

Background

The market presents a large fan applied to different places (workshops, ball halls and the like), wherein the large fan comprises a motor and a fan wheel in transmission connection with an output shaft of the motor. Because of there can be certain error in the capital construction in the place of difference, be difficult to ensure the levelness of the installation base face on the roof, when the motor carries out fixed mounting, because the top of motor uses the installation base face as the reference and be fixed in on the installation base face, when there is the slope in the installation base face for the motor output shaft is at vertical ascending slope, thereby makes the rotation of fan wheel produce the slope, and influences the life of big fan, can have the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lug formula directly drives motor and industrial fan to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a lug type direct drive motor, which comprises a shell, a rotor and a stator, wherein the shell is provided with an upper end surface and a lower end surface, an installation cavity is arranged in the shell, a shaft hole communicated with the installation cavity is arranged on the lower end surface, a lug assembly is arranged on the upper end surface, the lug assembly comprises a lug plate which is vertically arranged, an arc-shaped lifting hole and a rotating hole are arranged on the lug plate, the radian center of the arc-shaped lifting hole is concentric with the axis of the rotating hole, and the hole axes of the arc-shaped lifting hole and the rotating hole are perpendicular to the lug plate; the rotor is rotatably arranged in the mounting cavity and is provided with an output shaft which is coaxial with the shaft hole; the stator is fixedly arranged in the mounting cavity, and the rotor and the stator are coaxially arranged.

The utility model has the advantages that: when the motor is installed, the motor can rotate the inclination angle around the rotating hole, and the locking bolt is used for locking and fixing the motor in the arc-shaped lifting hole, so that the axis of the output shaft of the motor can be kept vertical, and the rotation of the fan wheel is ensured not to incline.

As a further improvement of the above technical solution, the lifting lug assembly further comprises a fixing plate, the fixing plate is fixedly connected with the lifting lug plate, a plurality of first mounting holes are arranged on the outer edge of the fixing plate, the plurality of first mounting holes are annularly arranged at intervals with the center of the fixing plate as a circle center, and correspondingly, first locking screw holes are arranged on the upper end surface; a first locking screw is arranged between the first locking screw hole and the first mounting hole, and the first locking screw penetrates through the first mounting hole to be in threaded connection with the first locking screw hole, so that the motor is convenient to disassemble and maintain, and the lifting lug assembly is convenient to produce independently; the mounting holes arranged at intervals and the corresponding first locking screw holes can play a better role in fixing.

As a further improvement of the technical scheme, the number of the lug plates is at least two, and the lug plates are arranged in parallel relatively, so that the top of the motor is convenient to fix with the installation base surface.

As a further improvement of the technical scheme, the machine shell comprises an upper end cover, a lower end cover and a machine barrel which is arranged in an up-and-down extending manner, wherein the upper end cover and the lower end cover are respectively arranged at two ends of the machine barrel; the lifting lug assembly is arranged on the upper end cover; the lower end cover is provided with the shaft hole, can better when the motor is installed, revolute the inclination that the hole rotated the motor to lock fixedly in the arc lewis hole through the locking bolt, and then can keep the axis of motor output shaft to keep vertical, ensure that the rotation of fan wheel does not incline.

As the further improvement of the technical scheme, the lug type direct drive motor further comprises second locking screws, a plurality of second mounting holes are formed in the outer edges of the upper end cover and the lower end cover, the second mounting holes are arranged in an annular interval mode by taking the center of the shaft hole as the circle center, second locking screw holes are correspondingly formed in the end face of the machine barrel, the second locking screws penetrate through the second mounting holes and are in threaded connection with the second locking screw holes, the motor is convenient to disassemble and maintain, and the mounting holes formed in the interval mode can play a better fixing role.

As a further improvement of the technical scheme, a plurality of heat dissipation grooves are arranged on the upper end surface and the lower end surface; the heat dissipation grooves are arranged in a radial mode at intervals by taking the axis of the shaft hole as the center, the heat dissipation grooves in each heat dissipation group are arranged from inside to outside along the radial direction of the shaft hole, the heat dissipation grooves in the heat dissipation groups are arc-shaped by taking the axis of the shaft hole as the circle center, and the arc length of each heat dissipation groove in each heat dissipation group is gradually increased from inside to outside along the radial direction of the shaft hole.

The heat dissipation groove on the end face of the machine shell increases the heat dissipation area of the end face of the machine shell in contact with air, the transmission speed of heat inside the motor along the axial direction of the rotor is increased, the heat inside the motor can be transmitted along the axial direction of the motor output shaft, and the heat dissipation effect of the motor is improved.

As a further improvement of the technical scheme, the peripheral surface of the casing is provided with a plurality of heat dissipation ribs, the plurality of heat dissipation ribs are arranged at intervals along the peripheral surface of the casing, and the heat dissipation ribs are parallel to the axis of the casing.

Part of heat is transferred to the outer wall of the shell from the axial hole in the radial direction in the running process of the motor, the plurality of radiating ribs can increase the radiating area of the outer peripheral wall of the shell, which is contacted with the outside air, so that the outer peripheral wall of the shell is radiated, and the radiating effect is further improved; when the heat dissipation ribs are parallel to the axis of the shell, the heat dissipation ribs are integrally in a parallel distribution state, at the moment, the mutual influence of adjacent heat dissipation spaces is small, and meanwhile, the heat dissipation ribs in parallel distribution have small difficulty in manufacturing and are beneficial to mass manufacturing.

As the further improvement of the technical scheme, the reinforcing ribs are arranged on the outer peripheral face of the casing and are parallel to the axis of the casing, the number of the reinforcing ribs is multiple, the plurality of reinforcing ribs are arranged at intervals along the outer peripheral face of the casing, the height of the protruding reinforcing ribs is larger than that of the protruding heat dissipation ribs, the third reinforcing ribs are additionally arranged to protect the heat dissipation ribs, and therefore the heat dissipation ribs are not prone to damage.

As a further improvement of the technical scheme, the lifting lug type direct drive motor further comprises a rotating disc, the rotating disc is coaxially connected with the output shaft, and a connecting hole is formed in the rotating disc.

The rotating disc makes things convenient for the output shaft to be connected with the outside other parts of motor, and a plurality of through-hole enables the inside heat that the motor produced and directly gives off through the connecting hole, further improves the radiating effect.

Furthermore, the utility model also provides an industrial fan, it includes foretell lug formula and directly drives motor, impeller and output shaft coaxial coupling.

Certain error can exist in the capital construction in different places, and when the levelness of the installation base surface on the roof is difficult to ensure, the industrial fan can not be influenced by the error in the capital construction, and the motor output shaft can be ensured not to incline in the vertical direction, so that the rotation of the fan wheel is not inclined, the service life of the industrial fan is prolonged, and the potential safety hazard is reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural view of the lifting lug type direct drive motor provided by the present invention at an angle;

fig. 2 is a schematic structural view of the lug-type direct drive motor provided by the present invention at another angle;

FIG. 3 is a cross-sectional view of the lug type direct drive motor of FIG. 1 with two arrows indicating forward and backward directions, respectively;

fig. 4 is a schematic view of an industrial fan provided by the present invention.

Reference numerals:

the heat dissipation device comprises a machine shell 100, an upper end surface 110, a first locking screw hole 111, a lower end surface 120, a heat dissipation groove 121, a mounting cavity 130, a shaft hole 140, a lifting lug assembly 150, a lifting lug plate 151, an arc-shaped lifting hole 152, a rotating hole 153, a fixing plate 154, a first mounting hole 155, an upper end cover 160, a second mounting hole 161, a lower end cover 170, a second locking screw hole 171, a machine barrel 180, a heat dissipation rib 190 and a reinforcing rib 191;

rotor 200, output shaft 210;

a stator 300, a first locking screw 400, a second locking screw 500;

a rotary plate 600, a connection hole 610; the impeller 700.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the present invention provides a lifting lug type direct drive motor, which comprises:

example 1: the utility model provides a lug formula directly drives motor, including casing 100, rotor 200 and stator 300, casing 100 is provided with up end 110 and lower terminal surface 120 casing 100 is inside to be provided with installation cavity 130, lower terminal surface 120 is provided with the shaft hole 140 with installation cavity 130 intercommunication, up end 110 is provided with lug subassembly 150, lug subassembly 150 includes the lug plate 151 that is vertical setting, be provided with arc lewis hole 152 and rotation hole 153 on lug plate 151, the radian center of arc lewis hole 152 with the axle center of rotation hole 153 is concentric, the hole axis of arc lewis hole 152 with rotation hole 153 is perpendicular with lug plate 151; the rotor 200 is rotatably installed in the installation cavity 130, and the rotor 200 is provided with an output shaft 210 coaxially arranged with the shaft hole 140; the stator 300 is fixedly installed in the installation cavity 130, and the rotor 200 is coaxially arranged with the stator 300. Referring to fig. 1 and 3, 2 circular hanging holes other than the rotation hole 153 may be provided on the lug plate 151 in some embodiments.

It should be noted that the utility model discloses directly drive the motor with the lug formula and be called for short the motor.

When the motor is installed, the motor can rotate the inclination angle around the rotation hole 153 and can be locked and fixed in the arc-shaped hanging hole 152 through the locking bolt, so that the axis of the motor output shaft 210 can be kept vertical, and the rotation of the fan wheel is ensured not to incline.

Further, the shackle assembly 150 further includes a fixing plate 154, the fixing plate 154 is fixedly connected to the shackle plate 151, a plurality of first mounting holes 155 are formed in the outer edge of the fixing plate 154, the first mounting holes 155 are annularly arranged at intervals around the center of the fixing plate 154, and correspondingly, a first locking screw hole 111 is formed in the upper end surface 110; a first locking screw 400 is arranged between the first locking screw hole 111 and the first mounting hole 155, and the first locking screw 400 penetrates through the first mounting hole 155 to be in threaded connection with the first locking screw hole 111, so that the motor is convenient to disassemble and maintain, and the lifting lug assembly 150 is convenient to produce independently; the first mounting holes 155 and the corresponding first locking screw holes 111 arranged at intervals can play a better role in fixing. It should be noted that the fixing plate 154 in fig. 1 has a circular shape, and in some other embodiments, the fixing plate may have other shapes, such as a square shape, a polygonal shape, and the like.

It should be noted that in other embodiments, the fixing plate 154 may be directly fixedly connected to the end cap, for example, by riveting, welding, or injection molding. The first locking screw 400 is not particularly limited to the stud shown in fig. 3, and may also be a screw, a set screw, etc., and the first mounting hole 155 and the first locking screw hole 111 correspondingly disposed are also changed, so that the shackle component 150 may be detachably fixed on the upper end surface 110 of the casing 100.

Further, the number of the lug plates 151 is two, two the lug plates 151 are arranged in parallel relatively, so that the top of the motor is fixed with the installation base surface conveniently. In other embodiments, the number of the ear plates 151 may also be 3 or 4, and other numbers, and the fixing manner of the ear plates 151 of other numbers is more complicated compared to the number of two ear plates 151, and the present invention does not limit the specific number of the ear plates 151.

Further, the casing 100 includes an upper end cover 160 and a lower end cover 170, a barrel 180 extending up and down, the upper end cover 160 and the lower end cover 170 being respectively disposed at two ends of the barrel 180; the shackle assembly 150 is disposed on the upper end cap 160; the lower end cover 170 is provided with the shaft hole 140, so that when the motor is mounted, the motor can rotate around the rotation hole 153 at an inclined angle, and the motor can be locked and fixed in the arc-shaped hanging hole 152 through the locking bolt, so that the axis of the motor output shaft 210 can be kept vertical, and the rotation of the impeller is ensured not to incline.

It should be noted that in other embodiments, the barrel 180, the upper end cap 160, and the lower end cap 170 of the casing 100 may also be integrally formed, for example, by injection molding.

Further, the lug-type direct-drive motor further comprises a second locking screw 500, wherein a plurality of second mounting holes 161 are formed in the outer edges of the upper end cover 160 and the lower end cover 170, the second mounting holes 161 are arranged at intervals in an annular mode by taking the center of the shaft hole 140 as a circle center, a second locking screw hole 171 is correspondingly formed in the end face of the machine barrel 180, the second locking screw 500 penetrates through the second mounting holes 161 and is in threaded connection with the second locking screw hole 171, the motor is convenient to disassemble and maintain, and the mounting holes arranged at intervals can play a better role in fixing.

The first locking screw 400 is not particularly limited to the stud shown in fig. 3, and may also be a screw, a set screw, etc., and the second mounting hole 161 and the second locking screw 171 correspondingly change, so that the upper end cover 160 and the lower end cover 170 may be detachably fixed at both ends of the barrel 180.

Further, a plurality of heat dissipation grooves 121 are disposed on both the upper end surface 110 and the lower end surface 120; it is a plurality of heat dissipation recess 121 is including a plurality of heat dissipation groups, and is a plurality of heat dissipation group uses the axle center of shaft hole 140 is radial interval arrangement and sets up as the center, each heat dissipation recess 121 on the heat dissipation group is followed the radial from inside to outside setting of shaft hole 140, heat dissipation recess 121 of heat dissipation group is with the arc that the axle center of shaft hole 140 was the centre of a circle, each the arc length of the last heat dissipation recess 121 of heat dissipation group is followed the radial from inside to outside grow gradually of shaft hole 140.

The heat dissipation groove 121 on the end surface of the casing 100 increases the heat dissipation area of the end surface of the casing 100 contacting with air, and accelerates the transmission speed of the heat inside the motor along the axial direction of the rotor 200, so that the heat inside the motor can be transmitted along the axial direction of the motor output shaft 210, and the heat dissipation effect of the motor is improved.

Further, the peripheral face of the casing 100 is provided with a plurality of heat dissipation ribs 190, the number of the heat dissipation ribs 190 is plural, the heat dissipation ribs 190 are arranged at intervals along the peripheral face of the casing 100, and the heat dissipation ribs 190 are parallel to the axis of the casing 100.

A part of heat is radially transferred to the outer wall of the casing 100 along the shaft hole 140 in the motor operation process, and the plurality of heat dissipation ribs 190 can increase the heat dissipation area of the outer peripheral wall of the casing 100 in contact with the outside air, so that the outer peripheral wall of the casing 100 is dissipated, and the heat dissipation effect is further improved; when the heat dissipation ribs 190 are parallel to the axis of the housing 100, the heat dissipation ribs 190 are integrally in a parallel distribution state, at this time, the mutual influence of adjacent heat dissipation spaces is small, and meanwhile, the heat dissipation ribs 190 in parallel distribution have small difficulty in manufacturing, which is beneficial to mass manufacturing.

Further, the peripheral face of casing 100 is provided with strengthening rib 191, strengthening rib 191 with the axis of casing 100 is parallel, strengthening rib 191 is provided with a plurality ofly, and is a plurality of strengthening rib 191 personally submits the interval along the periphery of casing 100 and sets up, the bellied height of strengthening rib 191 is greater than the bellied height of heat dissipation muscle 190 can play the effect of protection heat dissipation muscle 190 through addding third strengthening rib 191 for heat dissipation muscle 190 is not fragile.

Further, the lifting lug type direct drive motor further comprises a rotating disc 600, the rotating disc 600 is coaxially connected with the output shaft 210, and a connecting hole 610 is formed in the rotating disc 600.

The rotating disc 600 facilitates the connection of the output shaft 210 and other parts outside the motor, and the plurality of through holes enable the internal heat generated by the motor to be directly dissipated through the connecting holes 610, so that the heat dissipation effect is further improved. The utility model discloses do not do specific restriction to the quantity of connecting hole 610.

In addition, as shown in fig. 4, the present invention further provides an embodiment of an industrial fan, wherein the industrial fan includes the above-mentioned lug-type direct-drive motor and a fan wheel 700, and the fan wheel 700 is coaxially connected to the output shaft 210.

Certain error can exist in the capital construction in different places, and when the levelness of the installation base surface on the roof is difficult to ensure, the industrial fan can not be influenced by the error in the capital construction, and the motor output shaft 210 can be ensured not to incline in the vertical direction, so that the rotation of the fan wheel 700 is not inclined, the service life of the industrial fan is prolonged, and the potential safety hazard is reduced. It should be noted that the utility model discloses the industrial fan that indicates can wide application in the fan in industrial factory building, logistics storage, waiting room, exhibition hall, gymnasium, the super high and big spaces of trade etc..

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a lug formula directly drives motor which characterized in that:

the lifting lug assembly comprises a machine shell (100), wherein the machine shell (100) is provided with an upper end surface (110) and a lower end surface (120), an installation cavity (130) is arranged in the machine shell (100), a shaft hole (140) communicated with the installation cavity (130) is formed in the lower end surface (120), a lifting lug assembly (150) is arranged on the upper end surface (110), the lifting lug assembly (150) comprises a lifting lug plate (151) which is vertically arranged, an arc-shaped lifting hole (152) and a rotating hole (153) are formed in the lifting lug plate (151), the arc center of the arc-shaped lifting hole (152) is concentric with the shaft center of the rotating hole (153), and the hole axes of the arc-shaped lifting hole (152) and the rotating hole (153) are vertical to the lifting lug plate (151);

the rotor (200), the said rotor (200) is installed in installation cavity (130) rotatably, the said rotor (200) has output shaft (210) that set up coaxially with the said shaft hole (140);

and the stator (300) is fixedly installed in the installation cavity (130), and the rotor (200) and the stator (300) are coaxially arranged.

2. The shackle-type direct drive motor as defined by claim 1 wherein:

the lifting lug assembly (150) further comprises a fixing plate (154), the fixing plate (154) is fixedly connected with the lifting lug plate (151), a plurality of first mounting holes (155) are formed in the outer edge of the fixing plate (154), the first mounting holes (155) are annularly arranged at intervals by taking the center of the fixing plate (154) as a circle center, and first locking screw holes (111) are correspondingly formed in the upper end face (110);

a first locking screw (400) is arranged between the first locking screw hole (111) and the first mounting hole (155), and the first locking screw (400) penetrates through the first mounting hole (155) to be in threaded connection with the first locking screw hole (111).

3. The shackle-type direct drive motor as defined by claim 2 wherein:

the number of the lug plates (151) is at least two, and the lug plates (151) are arranged in parallel relatively.

4. The shackle-type direct drive motor as defined by claim 1 wherein:

the machine shell (100) comprises an upper end cover (160), a lower end cover (170) and a machine barrel (180) extending up and down, wherein the upper end cover (160) and the lower end cover (170) are respectively arranged at two ends of the machine barrel (180);

the shackle assembly (150) is disposed on the upper end cap (160);

the lower end cover (170) is provided with the shaft hole (140).

5. The shackle-type direct drive motor as defined by claim 4 wherein:

the lifting lug type direct-drive motor further comprises a second locking screw (500), a plurality of second mounting holes (161) are formed in the outer edge of the upper end cover (160) and the outer edge of the lower end cover (170), the second mounting holes (161) are arranged in an annular interval mode by taking the center of the shaft hole (140) as the circle center, a plurality of second locking screw holes (171) are correspondingly formed in the end face of the machine barrel (180), and the second locking screw (500) penetrates through the second mounting holes (161) and is in threaded connection with the second locking screw holes (171).

6. The shackle-type direct drive motor as defined by claim 1 wherein:

a plurality of heat dissipation grooves (121) are formed in the upper end face (110) and the lower end face (120);

it is a plurality of heat dissipation recess (121) are including a plurality of heat dissipation groups, and are a plurality of heat dissipation group uses the axle center of shaft hole (140) is radial interval arrangement setting as the center, each heat dissipation recess (121) on the heat dissipation group are followed the radial from inside to outside setting in shaft hole (140), heat dissipation recess (121) of heat dissipation group be with the axle center of shaft hole (140) is the arc of centre of a circle, each the arc length of heat dissipation recess (121) on the heat dissipation group is followed the radial from inside to outside grow gradually in shaft hole (140).

7. The shackle-type direct drive motor as defined by claim 1 wherein:

the outer peripheral face of casing (100) is provided with heat dissipation muscle (190), the quantity of heat dissipation muscle (190) is provided with a plurality ofly, and is a plurality of heat dissipation muscle (190) are followed the periphery of casing (100) is personally submitted the interval and is set up, heat dissipation muscle (190) with the axis of casing (100) is parallel.

8. The shackle-type direct drive motor as defined by claim 7 wherein:

the outer peripheral face of casing (100) is provided with strengthening rib (191), strengthening rib (191) with the axis of casing (100) is parallel, the quantity of strengthening rib (191) is provided with a plurality ofly, and is a plurality of strengthening rib (191) are along the periphery of casing (100) personally submit the interval and set up, the bellied height of strengthening rib (191) is greater than the bellied height of heat dissipation muscle (190).

9. The shackle-type direct drive motor as defined by claim 1 wherein:

the lifting lug type direct-drive motor further comprises a rotating disc (600), the rotating disc (600) is coaxially connected with the output shaft (210), and a connecting hole (610) is formed in the rotating disc (600).

10. An industrial fan, characterized by comprising the direct drive shackle motor as defined in any one of claims 1 to 9, a fan wheel (700), said fan wheel (700) being coaxially connected to said output shaft (210).