CN213461398U - Brushless DC tubular motor - Google Patents
Brushless DC tubular motor Download PDFInfo
- Publication number
- CN213461398U CN213461398U CN202022332598.8U CN202022332598U CN213461398U CN 213461398 U CN213461398 U CN 213461398U CN 202022332598 U CN202022332598 U CN 202022332598U CN 213461398 U CN213461398 U CN 213461398U
- Authority
- CN
- China
- Prior art keywords
- brushless
- motor
- connector
- snap ring
- reduction gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 description 10
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a brushless DC tubular motor, including installation square shaft, stopper, steel pipe, brake equipment, brushless DC motor, reduction gear and output shaft, brushless DC motor and reduction gear between be connected through connecting device, connecting device include the first location connector of fixed mounting at brushless DC motor front end, fix the second location connector at the reduction gear rear end for fixed first location connector and second location connector's locating pin, and be used for the hookup the rotor of brushless DC motor and the connector of the sun gear of reduction gear. The utility model discloses a first location connector, second location connector and locating pin realize brushless DC motor shell and reducer housing's fixed connection, come hookup brushless DC motor's rotor and the sun gear of reduction gear through the coupler simultaneously to realize brushless DC motor's installation, guarantee the stability of operation.
Description
Technical Field
The utility model relates to a brushless DC tubular motor.
Background
Tubular motor is used for electric rolling shutter door more, and single-phase capacitanc alternating current tubular motor in the market uses comparatively generally, but the controllability is relatively poor, and the speed governing scope is narrow, can't realize slowly opening and stop to starting torque is little, and calorific capacity is big, and the life-span is short, can't satisfy the market demand.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a brushless DC tubular motor has effectively solved the problem that points out among the background art.
The utility model adopts the technical proposal that:
the utility model provides a brushless DC tubular motor, includes installation square shaft, stopper, steel pipe, brake equipment, brushless DC motor, reduction gear and output shaft, brushless DC motor and reduction gear between be connected through connecting device, connecting device include the first location connector of fixed mounting at brushless DC motor front end, fix the second location connector at the reduction gear rear end for fixed first location connector and second location connector's locating pin, and be used for the hookup the rotor of brushless DC motor and the connector of the sun gear of reduction gear.
Preferably, the first positioning connector comprises a first fixing ring, a rear clamping ring fixed at the rear end of the first fixing ring, and a front clamping ring fixed at the front end of the first fixing ring, the rear clamping ring is clamped and positioned with the brushless direct current motor, the second positioning connector comprises a second fixing ring and an inner clamping ring fixed at the rear end of the second fixing ring, and the inner clamping ring is clamped and connected on the inner side of the front clamping ring.
The direct-current brushless motor and the speed reducer are relatively fixed through the first positioning connector and the second positioning connector, so that the connection of the direct-current brushless motor and the speed reducer is guaranteed.
Preferably, the steel pipe, the front clamping ring and the inner clamping ring are provided with pin holes penetrating through the steel pipe, the front clamping ring and the inner clamping ring in the radial direction, and the pin holes are matched with the positioning pins.
Preferably, the number of the pin holes is at least 3, and the pin holes are uniformly distributed in the circumference.
The steel pipe, the front snap ring and the inner snap ring are fixed by the pin holes and the positioning pins which are uniformly distributed on the circumference, so that the steel pipe, the front snap ring and the inner snap ring are more stable.
Preferably, eight neodymium iron boron magnetic steels are arranged on the rotor of the brushless direct current motor.
The utility model discloses a first location connector, second location connector and locating pin realize brushless DC motor shell and reducer housing's fixed connection, come hookup brushless DC motor's rotor and the sun gear of reduction gear through the coupler simultaneously to realize brushless DC motor's installation, guarantee the stability of operation.
The brushless direct current motor comprises a motor and a driver.
The brushless DC motor adopts electronic commutation technology, changes the structural form of the motor, fixes the electrified coil and generates a rotatable magnetic field to make the rotor magnetic steel rotate, and the control signal changes correspondingly along with the rotation condition of the rotor.
The driver distributes the supply current to the phase windings of the motor in a logical relationship to rotate the motor and generate a continuous torque.
The brushless direct current motor obtains better operating characteristics through electronic control commutation, has better controllability and wide speed regulation range, and can realize the function of slow start and stop.
The torque characteristics are excellent, the medium and low speed torque performance is good, the starting torque is large, and the starting current is small.
The AC motor is essentially, because there is no spark and abrasion problem of the brush and the commutator, it can work at high speed, can obtain higher reliability, has long service life, and does not need to be maintained frequently.
The permanent magnet is adopted to generate an air gap magnetic field, the power factor is high, the loss and the heat generation of the rotor are low, and the efficiency is higher.
The size is small, the structure is compact, and the length is shortened by one third compared with the similar AC tubular motor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description of specific embodiments thereof, which is illustrated in the accompanying drawings.
Example 1
As shown in fig. 1, a brushless dc tubular motor includes a mounting square shaft 1, a stopper 2, a steel pipe 3, a brake 4, a brushless dc motor 5, a reducer 6 and an output shaft 7, wherein the brushless dc motor 5 and the reducer 6 are connected by a connecting device, the connecting device includes a first positioning connector 51 fixedly mounted at a front end of the brushless dc motor 5, a second positioning connector 52 fixed at a rear end of the reducer 6, a positioning pin 53 for fixing the first positioning connector 51 and the second positioning connector 52, and a coupling 8 for coupling a rotor of the brushless dc motor 5 and a sun gear of the reducer 6.
First location connector 51 include first retainer plate 511 to and fix at the back snap ring 512 of first retainer plate 511 rear end, fix at the preceding snap ring 513 of first retainer plate 511 front end, back snap ring 512 and brushless DC motor 5 joint location, second location connector 52 include second retainer plate 521, and fix at the interior snap ring 522 of second retainer plate 521 rear end, interior snap ring 522 joint in the inboard of preceding snap ring 513.
The steel pipe 3, the front snap ring 513 and the inner snap ring 522 are provided with pin holes 54 penetrating through the steel pipe 3, the front snap ring 513 and the inner snap ring 522 in the radial direction, and the pin holes 54 are matched with the positioning pins 53.
The number of the pin holes 54 is at least 3, and the pin holes 54 are uniformly distributed in the circumference.
And eight neodymium iron boron magnetic steels are arranged on the rotor of the brushless direct current motor 5.
The utility model discloses a brushless DC motor 5 is as follows with the mounting means of reduction gear 6:
firstly, fixing a first positioning connector 51 on a brushless direct current motor 5, fixing a second positioning connector 52 on a speed reducer 6, installing a coupler 8 on a rotor of the brushless direct current motor 5, fixing the first positioning connector 51 and the second positioning connector 52, connecting the coupler 8 with a sun gear of the speed reducer 6, finally installing the fixed brushless direct current motor 5 and the speed reducer 6 in a steel pipe 3, arranging a pin hole 54 from the outside of the steel pipe 3 to the inside at the position of an inner snap ring 522 and a front snap ring 513, and inserting a positioning pin 53, thereby completing installation.
Finally, it should be noted that the above-mentioned embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (5)
1. The utility model provides a brushless DC tubular motor, characterized in that, is including installation square shaft (1), stopper (2), steel pipe (3), brake equipment (4), brushless DC motor (5), reduction gear (6) and output shaft (7), brushless DC motor (5) and reduction gear (6) between be connected through connecting device, connecting device include fixed mounting at the first location connector (51) of brushless DC motor (5) front end, fix second location connector (52) at reduction gear (6) rear end for fixed first location connector (51) and the locating pin (53) of second location connector (52), and be used for hookup rotor of brushless DC motor (5) and connector (8) of the sun gear of reduction gear (6).
2. The tubular brushless dc motor according to claim 1, wherein the first positioning connector (51) comprises a first fixing ring (511), a rear snap ring (512) fixed to a rear end of the first fixing ring (511), and a front snap ring (513) fixed to a front end of the first fixing ring (511), the rear snap ring (512) is snap-fitted to the brushless dc motor (5) for positioning, the second positioning connector (52) comprises a second fixing ring (521), and an inner snap ring (522) fixed to a rear end of the second fixing ring (521), and the inner snap ring (522) is snap-fitted to an inner side of the front snap ring (513).
3. The tubular brushless DC motor according to claim 2, wherein the steel tube (3), the front snap ring (513) and the inner snap ring (522) are provided with pin holes (54) penetrating through the steel tube (3), the front snap ring (513) and the inner snap ring (522) in the radial direction, and the pin holes (54) are matched with the positioning pins (53).
4. A brushless dc tubular motor according to claim 3, wherein there are at least 3 pin holes (54), and the pin holes (54) are circumferentially arranged.
5. A brushless DC tubular electric machine according to claim 1 or 2 or 3 or 4, characterized in that the rotor of the brushless DC motor (5) is provided with eight pieces of NdFeB magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332598.8U CN213461398U (en) | 2020-10-19 | 2020-10-19 | Brushless DC tubular motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332598.8U CN213461398U (en) | 2020-10-19 | 2020-10-19 | Brushless DC tubular motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213461398U true CN213461398U (en) | 2021-06-15 |
Family
ID=76292586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022332598.8U Active CN213461398U (en) | 2020-10-19 | 2020-10-19 | Brushless DC tubular motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213461398U (en) |
-
2020
- 2020-10-19 CN CN202022332598.8U patent/CN213461398U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102005889B (en) | Electrically driven equipment with control function of brushless direct current motor | |
| KR102078684B1 (en) | Mechanical drive to the motor and alternator | |
| CN213461398U (en) | Brushless DC tubular motor | |
| CN112152357A (en) | Stator excitation type field modulation motor based on magnetic pole adjusting structure | |
| CN211456931U (en) | Water cooling low noise permanent magnet synchronous motor | |
| CN210490700U (en) | Novel permanent magnet brushless direct current motor | |
| CN2578571Y (en) | Water pump-generator | |
| CN209150967U (en) | Double output shaft permanent magnet synchronous motor with high-power density | |
| CN218514169U (en) | High-efficiency brushless generator | |
| CN211405825U (en) | Direct current motor with carbon brush structure | |
| CN2595058Y (en) | Electric motor as electric vehicle power | |
| CN215267874U (en) | Speed reducer motor with quick assembly cover | |
| CN220382860U (en) | Reciprocating high-frequency motion miniature motor | |
| CN216122154U (en) | Range extender structure with double supports for inner rotor and outer rotor | |
| CN217087734U (en) | Motor structure and electric drive device | |
| CN216086309U (en) | Motor housing and high-speed motor | |
| CN222479599U (en) | Electronic actuator electric control device | |
| CN216699787U (en) | Double-power motor | |
| CN216016556U (en) | Novel electric control permanent magnet motor | |
| CN200980008Y (en) | A generating and welding motor | |
| CN109660076A (en) | brushless motor for automobile EPS | |
| CN221305717U (en) | High-efficiency energy-saving brushless direct current motor for long-endurance unmanned aerial vehicle | |
| CN109088516B (en) | Energy-saving direct-current motor with dead-stop and unfired rotor | |
| CN102104305A (en) | Starting-generating integrated motor and control method thereof | |
| CN216122066U (en) | Range extender motor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |