CN115800614A

CN115800614A - Brushless DC motor

Info

Publication number: CN115800614A
Application number: CN202211513376.3A
Authority: CN
Inventors: 苗立波; 吴太兵
Original assignee: Yongzhou Shunhe Intelligent Technology Co ltd
Current assignee: Yongzhou Shunhe Intelligent Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-14
Anticipated expiration: 2042-11-29
Also published as: CN115800614B

Abstract

The invention relates to the technical field of brushless direct current motors, in particular to a brushless direct current motor, which comprises a brushless direct current motor body, wherein a base for installing the brushless direct current motor body is symmetrically and fixedly installed at the bottom of the brushless direct current motor body, a fixing device for omni-directionally installing the brushless direct current motor body is slidably installed in the middle of the base, a bottom plate for placing the brushless direct current motor body is placed below the base, a fixed round frame is symmetrically and fixedly installed on the upper surface of the base, a rotating groove is formed in the middle of the fixed round frame, and a gear is rotatably installed in the middle of the rotating groove.

Description

Brushless DC motor

Technical Field

The invention relates to the technical field of brushless direct current motors, in particular to a brushless direct current motor.

Background

The brushless direct current motor is a synchronous motor composed of a motor main body and a driver, and is also a typical electromechanical integration product, when the existing brushless direct current motor is installed, the brushless direct current motor can be installed at a horizontal or vertical position, and then is connected with a rotating shaft for rotation through a coupler, when some brushless direct current motor installation positions and the rotating shaft are not in the same plane or the brushless direct current motor installation positions are in a multi-section plane, the brushless direct current motor can be installed at a horizontal or vertical position, and then transmission methods such as transmission of gears or transmission of chain wheels are used for connecting the rotating shaft, but because the connection of the transmission methods such as the transmission of the gears or the transmission of the chain wheels causes the reduction of output power, the output efficiency of the brushless direct current motor is reduced.

Therefore, it is necessary to provide a brushless dc motor to solve the above technical problems.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a brushless dc motor.

The invention provides a brushless direct current motor, which comprises a brushless direct current motor body, wherein a base for mounting the brushless direct current motor body is symmetrically and fixedly mounted at the bottom of the brushless direct current motor body, a fixing device for omni-directionally mounting the brushless direct current motor body is slidably mounted in the middle of the base, a bottom plate for placing the brushless direct current motor body is arranged below the base, the fixing device comprises a fixing round frame, a gear, a threaded rod, a fixing seat, a through hole, a fixing bolt and a fixing nut, the fixing round frame is symmetrically and fixedly mounted on the upper surface of the base, a rotary groove is formed in the middle of the fixing round frame, the gear is rotatably mounted in the middle of the rotary groove, a threaded hole is formed in the middle of the gear, the gear is in threaded connection with the threaded rod through the threaded hole, the thread directions of the two threaded rods on the same side are opposite, the fixing seat is fixedly mounted at the bottom end of the threaded rod through a shaft pin, the through hole, the fixing bolt is rotatably mounted at the position of the fixing seat corresponding to the through shaft pin, the fixing bolt is in threaded connection with the fixing nut at the bottom of the fixing bolt, an extension hole is formed in the position corresponding to the bottom plate corresponding to the fixing bolt, the extension hole, and a limiting device for fixing device is mounted in a matching manner. When installing the brushless DC motor body on the unhomorphic bottom plate position of brushless DC motor body and pivot, through handing the position of brushless DC motor body and base or other modes are fixed, place on the bottom plate through stop device and four fixing bases of fixing device's cooperation function control after, realize the level of brushless DC motor body, the horizontal position of back through removing the brushless DC motor body, pass through the shaft coupling with the output shaft of brushless DC motor body and pivot and be connected, fix the position of fixing base through fixing bolt and fixation nut, realize the fixed of brushless DC motor body on the inclined floor.

Preferably, the inside of the rotary groove is coated with lubricating oil. The smooth performance of the gear rotating in the middle of the rotary groove is realized, excessive friction of the gear is prevented, and the service life of the gear is prolonged.

Preferably, the oblique angle surface of the fixed seat is provided with a rubber pad. The stability of the fixing seat installed on the bottom plate is realized.

Preferably, the corners of the fixing seat are provided with chamfers. The condition that people caused accidental injury appears colliding with when the brushless direct current motor body is installed is prevented.

Preferably, the bottom end of the fixing seat is sleeved with a first round anti-skid pad at a position corresponding to the fixing nut. The stability of fixing bolt and fixation nut installation on the fixing base is realized.

Preferably, the rotary groove is tightly attached to the gear in a rotating mode. Realize the gear at the middle part pivoted stability in the rotary trough, guarantee threaded rod pivoted stability simultaneously.

Preferably, the limiting device comprises a sliding block, a rack, a fixing frame, a fastening screw and a fastening nut, a sliding groove is formed in the upper surface of the base, the sliding block is arranged in the middle of the sliding groove in a sliding mode, the rack is fixedly mounted at the top of the sliding block in an integrated mode, the rack is connected with the gear in a meshed mode, the fixing frame is fixedly mounted at the position, corresponding to the sliding groove, of the upper surface of the base, the fastening screw is fixedly mounted at the top of the rack in an equidistant pre-embedded mode, the fastening screw penetrates through the middle of the fixing frame and is arranged, and the fastening nut is connected to the top of the fastening screw in a threaded mode. When the position of the fixing seat is fixed, the rack moves along the track of the sliding groove, the fastening screw is driven to move in the middle of the fixing seat, the fastening nut is screwed up, the position of the rack is fixed, and then the stability of the position of the fixing frame is finally guaranteed.

Preferably, the sliding groove and the sliding block are tightly attached and slide, and the sliding groove and the sliding block are arranged in a T shape. The stability that the rack removed along the orbit of spout is realized, controls the position of rack simultaneously, prevents rack roll-off spout.

Preferably, the outer side of the fastening screw rod is sleeved with a second round anti-skid pad corresponding to the bottom end of the fastening screw cap. The rack is stably controlled on the fixed seat by screwing the fastening nut.

Preferably, the length of the fixing frame is greater than the length between three adjacent fastening screws. Realize that at least three fastening screw and fastening nut install on the mount, guaranteed the stability to rack position control.

Compared with the related art, the invention has the following beneficial effects:

when the invention is used, compared with the prior art, when the brushless DC motor body is arranged on an inclined bottom plate position where the brushless DC motor body and the rotating shaft are not horizontal, the inclined angle surfaces of the four fixing seats are always attached to the bottom plate by controlling, and the fixing seats are ensured not to rotate, then the situation that two fixing seats on the same side are placed one above the other is realized by the matching operation of the fixing device and the limiting device until the inclined angle surfaces of the fixing seats are stably attached to the bottom plate to realize the horizontal of the brushless DC motor body, then the four fixing seats are driven to move on the surface of the bottom plate by moving the horizontal position of the brushless DC motor body until the output shaft of the brushless DC motor body is connected with the rotating shaft through the coupler, the position of the fixing seats is fixed through the fixing bolts and the fixing nuts to realize the fixation of the brushless DC motor body on the inclined bottom plate, or, when the brushless DC motor body is installed on the position of the uneven multi-section bottom plate, the brushless DC motor body and the base are fixed in a hand-held or other way, the long extending hole is arranged on the bottom plate for the fixing bolt to pass through by observing the moving track of the fixing seat in advance, two fixing seats on the same position of different sides are rotated to drive the bevel faces of the two fixing seats to the other plane of the bottom plate, simultaneously the bevel faces of the four fixing seats are controlled to be always attached to the bottom plate, the fixing seats are ensured not to rotate, then the two threaded rods are driven to move upwards and downwards by the matching operation of the fixing device and the limiting device, meanwhile, people always control the bevel faces of the four fixing seats to be always attached to the two different planes of the bottom plate, people can control the brushless direct current motor body to keep horizontal position and simultaneously guarantee the lifting of the brushless direct current motor body, until the output shaft of the brushless direct current motor body can be connected with the rotating shaft through the coupler, the position of the fixing seat is fixed through the fixing bolt and the fixing nut, the fixation of the brushless direct current motor body on the multi-section type bottom plate is realized, the existing brushless direct current motor body can be installed on an inclined plane or a multi-section type plane through the matching operation of the fixing device and the limiting device, the rotating shaft can be connected without increasing independent transmission methods such as gear transmission or chain wheel transmission, and the brushless direct current motor body is convenient to install.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a second schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic illustration of an explosive structure according to the present invention;

FIG. 4 is a schematic view of a partially exploded structure of the fastening device of the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

fig. 6 is a third schematic view of the overall structure of the present invention.

The reference numbers in the figures: 1. a brushless DC motor body; 2. a base; 3. a fixing device; 4. a base plate; 5. a limiting device; 31. fixing the round frame; 32. rotating the groove; 33. a gear; 34. a threaded hole; 35. a threaded rod; 36. a fixed seat; 37. a through hole; 38. fixing the bolt; 39. fixing a nut; 310. an extension hole; 51. a chute; 52. a slider; 53. a rack; 54. a fixed mount; 55. fastening a screw rod; 56. and (5) tightening the nut.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Please refer to fig. 1 to 6 in combination, a brushless dc motor, including a brushless dc motor body 1, a base 2 for mounting the brushless dc motor body 1 is symmetrically and fixedly mounted at the bottom of the brushless dc motor body 1, a fixing device 3 for omni-directionally mounting the brushless dc motor body 1 is slidably mounted in the middle of the base 2, a bottom plate 4 for placing the brushless dc motor body 1 is placed below the base 2, the fixing device 3 includes a fixing circular frame 31, a gear 33, a threaded rod 35, a fixing seat 36, a through hole 37, a fixing bolt 38 and a fixing nut 39, the fixing circular frame 31 is symmetrically and fixedly mounted on the upper surface of the base 2, a rotary groove 32 is formed in the middle of the fixing circular frame 31, a gear 33 is rotatably mounted in the middle of the rotary groove 32, a threaded hole 34 is formed in the middle of the gear 33, the gear 33 is in threaded connection with the threaded rod 35 through the threaded hole 34, the threaded directions of the two threaded rods 35 on the same side are opposite, the bottom end of the threaded rod 35 is provided with the fixing seat 36 through the fixing fixed and fixedly mounted with the through hole 37, the through hole 37 is rotatably mounted in the position of the fixing bolt 37, the fixing bolt 38 is rotatably mounted in correspondence with the fixing hole 310, the fixing bolt mounting device for extending the position of the base 2, and the fixing device 310 for extending the fixing bolt 5. When the brushless DC motor body 1 is installed on the position of the brushless DC motor body 1 and the inclined bottom plate 4 with the non-horizontal rotating shaft, the positions of the brushless DC motor body 1 and the base 2 are fixed by hand or other modes, a long extension hole 310 is arranged on the bottom plate 4 for the fixing bolt 38 to pass through by observing the moving track of the fixing seat 36 in advance, the oblique angle surfaces of the four fixing seats 36 are controlled to be always attached to the bottom plate 4, and the fixing seat 36 is ensured not to rotate, then the rack 53 is pushed to move along the track of the sliding groove 51, the two gears 33 on the same side are driven to rotate by the meshing of the rack 53 and the gears 33, and the thread directions of the two threaded rods 35 on the same side are opposite, therefore, the threaded connection between the threaded hole 34 and the threaded rod 35 drives the two threaded rods 35 to move upwards and downwards one by one, so that the situation that the two fixing seats 36 on the same side move upwards and downwards is realized, until the oblique angle surfaces of the fixing seats 36 are stably attached to the bottom plate 4, the brushless direct current motor body 1 is horizontal, then the four fixing seats 36 are driven to move on the surface of the bottom plate 4 by moving the horizontal position of the brushless direct current motor body 1 until the output shaft of the brushless direct current motor body 1 is connected with the rotating shaft through the coupler, the fixing bolt 38 can rotate in the process of passing through the extension hole 310 and moving, the position of the fixing seat 36 is fixed through the fixing bolt 38 and the fixing nut 39, and the brushless direct current motor body 1 is fixed on the inclined bottom plate 4;

the two threaded rods 35 on the same side are shown in the following diagram in relative percentages in the upper surface of the base 2:

1. first threaded rod	2. Second threaded rod
		3. 10	4. 90
5. .....	6. .....
		7. 20	8. 80
9. .....	10. .....
		11. 90	12. 10

Referring to fig. 1 to 6, when the brushless dc motor body 1 is installed on the uneven multi-stage bottom plate 4, in the same manner as above, the positions of the brushless direct current motor body 1 and the base 2 are fixed in a hand-held or other mode, by observing the moving track of the fixing base 36 in advance, a long extended hole 310 is opened on the bottom plate 4 for the fixing bolt 38 to pass through, and the two fixing seats 36 on the same position on different sides are rotated to drive the oblique angle surfaces of the two fixing seats 36 to the other plane of the bottom plate 4, meanwhile, the oblique angle surfaces of the four fixed seats 36 are controlled to be always attached to the bottom plate 4, the fixed seats 36 are ensured not to rotate, and then the rack 53 is pushed to move along the track of the sliding chute 51, the two gears 33 on the same side are driven to rotate by the meshing of the rack 53 and the gears 33, due to the opposite thread direction of the two threaded rods 35 on the same side, the threaded connection of the threaded holes 34 to the threaded rods 35 will cause the two threaded rods 35 to move up and down one by one, and at the same time, because people always control the oblique angle surfaces of the four fixed seats 36 to be always attached to two different surfaces of the bottom plate 4, people can control the brushless DC motor body 1 to keep horizontal position and simultaneously ensure the lifting of the brushless DC motor body 1 until the output shaft of the brushless DC motor body 1 is connected with the rotating shaft through the coupler, the fixing bolt 38 and the fixing nut 39 are used to fix the position of the fixing seat 36, so as to fix the brushless dc motor body 1 on the multi-section bottom plate 4, in this process, the fastening screw 55 is driven to move in the middle of the fixing seat 36, by tightening the fastening nut 56, the position of the rack 53 is fixed, and the position stability of the fixing frame 54 is finally ensured.

Referring to fig. 1 to 6, the inside of the rotary groove 32 is coated with a lubricant. The smooth rotation of the gear 33 in the middle of the rotary groove 32 is realized, the excessive friction of the gear 33 is prevented, and the service life of the gear 33 is prolonged.

Referring to fig. 1 to 6, a rubber pad is mounted on the oblique surface of the fixing base 36. The stability of the mounting of the holder 36 on the base plate 4 is achieved.

Referring to fig. 1 to 6, the fixing base 36 has a chamfer at a corner thereof. The condition that people caused accidental injury appears colliding with when installing brushless DC motor body 1 is prevented.

Referring to fig. 1 to 6, a first circular anti-slip pad is sleeved on the bottom end of the fixing base 36 corresponding to the fixing nut 39. The stability of the mounting of the fixing bolt 38 and the fixing nut 39 on the fixing base 36 is achieved.

Referring to fig. 1 to 6, the rotary slot 32 and the gear 33 are closely attached to each other and rotatably disposed. The stability of the rotation of the gear 33 in the middle of the rotary slot 32 is achieved while the stability of the rotation of the threaded rod 35 is ensured.

Referring to fig. 1 to 6, the limiting device 5 includes a sliding block 52, a rack 53, a fixing frame 54, a fastening screw 55 and a fastening nut 56, the upper surface of the base 2 is provided with a sliding groove 51, the sliding block 52 is slidably mounted in the middle of the sliding groove 51, the rack 53 is fixedly mounted on the top of the sliding block 52 in an integrated manner, the rack 53 is meshed with the gear 33, the fixing frame 54 is fixedly mounted on the upper surface of the base 2 corresponding to the sliding groove 51, the fastening screw 55 is fixedly mounted on the top of the rack 53 in an equidistant embedded manner, the fastening screw 55 penetrates through the middle of the fixing frame 54, and the fastening nut 56 is threadedly connected to the top of the fastening screw 55. While the position of the fixed seat 36 is fixed, the rack 53 will move along the track of the sliding groove 51, at this time, the fastening screw 55 will be driven to move in the middle of the fixed seat 36, and the fastening nut 56 is tightened to fix the position of the rack 53, thereby finally ensuring the stability of the position of the fixed seat 54.

Referring to fig. 1 to 6, the sliding groove 51 and the sliding block 52 are closely attached to each other and slide, and the sliding groove 51 and the sliding block 52 are arranged in a T shape. The stability that rack 53 moves along the track of runner 51 is realized, and simultaneously the position of rack 53 is controlled, prevents rack 53 from sliding out of runner 51.

Referring to fig. 1 to 6, a second circular anti-slip pad is sleeved on the outer side of the fastening screw 55 corresponding to the bottom end of the fastening nut 56. The tightening of the clamping nut 56 is effected in such a way that the toothed rack 53 is held stably on the holder 36.

Referring to fig. 1 to 6, the length of the fixing frame 54 is greater than the length between three adjacent fastening screws 55. A minimum of three fastening screws 55 and fastening nuts 56 are mounted on the fixing frame 54, ensuring stability in position control of the rack 53.

When the device is used, when the brushless DC motor body 1 is arranged on the position of the inclined bottom plate 4 where the brushless DC motor body 1 and the rotating shaft are not horizontal, the positions of the brushless direct current motor body 1 and the base 2 are fixed in a hand-held or other mode, by observing the moving track of the fixing base 36 in advance, a long extension hole 310 is formed on the bottom plate 4 for the fixing bolt 38 to pass through, meanwhile, the oblique surfaces of the four fixing seats 36 are controlled to be always attached to the bottom plate 4, and the fixing seats 36 are ensured not to rotate, and then the rack 53 is pushed to move along the track of the sliding chute 51, the two gears 33 on the same side are driven to rotate by the meshing of the rack 53 and the gears 33, because the thread directions of the two threaded rods 35 on the same side are opposite, the threaded connection between the threaded hole 34 and the threaded rod 35 drives the two threaded rods 35 to move upwards and downwards one by one, so that the situation that the two fixed seats 36 on the same side are arranged one above the other is realized, until the oblique angle surface of the fixed seat 36 is stably jointed with the bottom plate 4, the brushless DC motor body 1 is leveled, and then by moving the horizontal position of the brushless DC motor body 1, then the four fixing seats 36 are driven to move on the surface of the bottom plate 4 until the output shaft of the brushless dc motor body 1 is connected with the rotating shaft through the shaft coupling, at this time, the fixing bolt 38 can rotate in the process of passing through the extension hole 310 and moving, the fixing bolt 38 and the fixing nut 39 fix the position of the fixing seat 36, so as to fix the brushless dc motor body 1 on the inclined bottom plate 4, in the process, the fastening screw 55 is driven to move in the middle of the fixing seat 36, the fastening nut 56 is screwed down to fix the position of the rack 53, so that the stability of the position of the fixing frame 54 is finally ensured;

when the brushless DC motor body 1 is installed on the uneven multi-stage bottom plate 4, in the same way as above, by holding or fixing the positions of the brushless direct current motor body 1 and the base 2 in other ways, by observing the moving track of the fixing base 36 in advance, a long extended hole 310 is opened on the bottom plate 4 for the fixing bolt 38 to pass through, and the two fixing seats 36 on the same position on different sides are rotated to drive the oblique angle surfaces of the two fixing seats 36 to the other plane of the bottom plate 4, meanwhile, the oblique angle surfaces of the four fixed seats 36 are controlled to be always attached to the bottom plate 4, the fixed seats 36 are ensured not to rotate, and then the rack 53 is pushed to move along the track of the sliding chute 51, the two gears 33 on the same side are driven to rotate by the meshing of the rack 53 and the gears 33, due to the opposite thread direction of the two threaded rods 35 on the same side, the threaded connection of the threaded holes 34 to the threaded rods 35 will cause the two threaded rods 35 to move up and down one by one, and at the same time, because people always control the oblique angle surfaces of the four fixed seats 36 to be always attached to two different surfaces of the bottom plate 4, people can control the brushless DC motor body 1 to keep horizontal position and simultaneously ensure the lifting of the brushless DC motor body 1 until the output shaft of the brushless DC motor body 1 is connected with the rotating shaft through the coupler, the fixing bolt 38 and the fixing nut 39 fix the position of the fixing seat 36, so as to fix the brushless dc motor body 1 on the multi-section bottom plate 4, in the process, the fastening screw 55 is driven to move in the middle of the fixing seat 36, by tightening the fastening nut 56, the position of the rack 53 is fixed, and the position stability of the fixing frame 54 is finally ensured.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a brushless DC motor, its characterized in that, includes brushless DC motor body (1), the bottom symmetry fixed mounting of brushless DC motor body (1) has base (2) that are used for installing brushless DC motor body (1), the middle part slidable mounting of base (2) has fixing device (3) that are used for carrying out the all-round installation to brushless DC motor body (1), bottom plate (4) that are used for placing brushless DC motor body (1) are placed to the below of base (2), fixing device (3) are including fixed circle frame (31), gear (33), threaded rod (35), fixing base (36), through-hole (37), fixing bolt (38) and fixation nut (39), the upper surface symmetry fixed mounting of base (2) has fixed circle frame (31), the middle part of fixed circle frame (31) is seted up turn groove (32), the middle part rotation of turn groove (32) is installed gear (33), the middle part of gear (33) is seted up, gear (33) has threaded rod (35) through screw hole (34), the threaded rod (35) has been seted up through screw hole (35) in the middle part, the fixed shaft pin (36) is installed through screw hole (35), fixing base (36) correspond the position of through-hole (37) and rotate through the pivot and install fixing bolt (38), the bottom threaded connection of fixing bolt (38) has fixing nut (39), extension hole (310) have been seted up to bottom plate (4) position corresponding fixing bolt (38), fixing bolt (38) pass extension hole (310) and set up, the middle part slidable mounting of base (2) has and is used for carrying out stop device (5) fixed to fixing device (3) position, fixing device (3) and stop device (5) cooperation installation.

2. A brushless dc motor according to claim 1, wherein the inside of the rotor groove (32) is coated with a lubricating oil.

3. A brushless dc motor according to claim 1, wherein the oblique surfaces of the holder (36) are fitted with rubber pads.

4. A brushless dc motor according to claim 1, wherein the fixing base (36) is chamfered at its corners.

5. A brushless dc motor according to claim 1, wherein the bottom end of the fixing base (36) is sleeved with a first circular anti-slip pad at a position corresponding to the fixing nut (39).

6. A brushless dc motor according to claim 1, wherein the rotor (32) is rotatably mounted in close contact with a gear (33).

7. The brushless direct current motor according to claim 1, wherein the limiting device (5) comprises a sliding block (52), a rack (53), a fixing frame (54), a fastening screw (55) and a fastening nut (56), a sliding groove (51) is formed in the upper surface of the base (2), the sliding block (52) is slidably mounted in the middle of the sliding groove (51), the rack (53) is fixedly mounted at the top of the sliding block (52) in an integrated mode, the rack (53) is meshed with the gear (33) to be connected, the fixing frame (54) is fixedly mounted on the upper surface of the base (2) corresponding to the position of the sliding groove (51), the fastening screw (55) is fixedly mounted at the top of the rack (53) in an equidistant pre-embedded mode, the fastening screw (55) penetrates through the middle of the fixing frame (54) to be arranged, and the fastening nut (56) is connected to the top of the fastening screw (55) through threads.

8. The brushless DC motor according to claim 7, wherein the sliding slot (51) and the sliding block (52) are closely attached and slide, and the sliding slot (51) and the sliding block (52) are arranged in a T shape.

9. A brushless DC motor according to claim 7, characterized in that the outer side of the fastening screw (55) is fitted with a second circular anti-slip pad corresponding to the bottom end of the fastening nut (56).

10. A brushless DC motor according to claim 7, characterized in that the length of the holder (54) is greater than the length between three adjacent fastening screws (55).