CN211429165U - Direct-current brushless electric mechanism with speed reducing mechanism - Google Patents
Direct-current brushless electric mechanism with speed reducing mechanism Download PDFInfo
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- CN211429165U CN211429165U CN202020242858.XU CN202020242858U CN211429165U CN 211429165 U CN211429165 U CN 211429165U CN 202020242858 U CN202020242858 U CN 202020242858U CN 211429165 U CN211429165 U CN 211429165U
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Abstract
The utility model relates to the technical field of motors, in particular to a direct current brushless electric mechanism with a speed reducing mechanism, which comprises a motor component 1 and a speed reducer 2, wherein the motor component 1 is connected with the speed reducer 2 through screws, the motor component 1 comprises a shell 3, a rotor component 4, a circuit board component 5, an intermediate cover 6 and a rear cover 7, seal ring 8, steel bushing assembly 9, bearing 10, first nut 11 and gear 12, circuit board assembly 5 is fixed on middle lid 6, steel bushing assembly 9 assembly is fixed on rotor subassembly 4, steel bushing assembly 9 sets up with circuit board assembly 5 interval, rotor subassembly 4 passes through bearing 10 and first nut 11 assembly fastening on 3 subassemblies of casing, gear 12 is installed on the output of rotor subassembly 4, take direct current brushless electric mechanism of reduction gears to detect behind the position of rotor subassembly 4 through circuit board assembly 5 and return to controller with driving motor continuous operation. The utility model has the advantages of compact structure and good sealing performance.
Description
Technical Field
The utility model relates to the technical field of motors, concretely relates to take reducing mechanism's brushless electric mechanism of direct current.
Background
Along with the wide application of motor products, the types of the motor products are increasingly rich, the requirements on miniaturization and environment resistance of the motor are more and more strict, and the motor which is small in size, light in weight, resistant to salt mist, resistant to mold and resistant to humidity and heat and capable of meeting the electromagnetic compatibility requirements is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a take reducing mechanism's brushless electric mechanism of direct current, it has compact structure, the good advantage of sealing performance.
In order to achieve the above object, the utility model adopts the following technical scheme:
a direct-current brushless electric mechanism with a speed reducing mechanism comprises a motor assembly and a speed reducer, wherein the motor assembly is connected with the speed reducer through screws, the motor assembly comprises a shell, a rotor assembly, a circuit board assembly, an intermediate cover, a rear cover, a sealing ring, a steel sleeve assembly, a bearing, a first nut and a gear, the intermediate cover is fixed on the shell through screws, the rear cover is fixed on the intermediate cover through screws, the circuit board assembly comprises a circuit board and a Hall sensor arranged on the circuit, the circuit board assembly is fixed on the intermediate cover, the steel sleeve assembly comprises a steel sleeve and a plurality of magnetic steels bonded in the steel sleeve, the steel sleeve assembly is assembled and fixed on the rotor assembly, the steel sleeve assembly and the circuit board assembly are arranged at intervals, a first annular groove is arranged at the joint of the shell and the speed reducer, a second annular groove is arranged at the joint of the rear cover and the shell, the sealing washer sets up in first annular groove and second annular groove, the rotor subassembly passes through bearing and first nut assembly to be fixed on casing subassembly, the gear is installed on the output of rotor subassembly, take direct current brushless electric mechanism of reduction gears to detect behind the position of rotor subassembly and return to the controller with driving motor continuous operation through circuit board assembly, motor element's output leads to gear and speed reducer and connects, follows the output shaft of speed reducer and externally exports moment after tertiary speed reduction.
Preferably, the intermediate cover is fixed to the housing by screws which are evenly distributed along the radial circumference.
Preferably, the hall sensor is mounted on the circuit board in a lying manner.
Preferably, the magnetic steel main body is of a tile-shaped structure, the number of the magnetic steels is 6, the magnetic steels comprise 3N-pole magnetic steels and 3S-pole magnetic steels, and the N-pole magnetic steels and the S-pole magnetic steels are alternately placed and then spliced to form a ring.
Preferably, the motor assembly further comprises a rear cover inner sleeve, a fastening sleeve and a second nut, the rear cover inner sleeve is welded and fixed on the wire outlet of the rear cover, the fastening sleeve is arranged between the second nut and the end face of the rear cover inner sleeve, the second nut is screwed and fixed with the rear cover inner sleeve through threads, and the fastening sleeve can contract inwards to be in close contact with the outgoing wire of the motor assembly along with the screwing of the threads of the rear cover inner sleeve and the second nut.
Preferably, the first nut is a hexagonal nut.
Use the utility model discloses a beneficial effect is: the utility model has compact structure and small volume, and simultaneously can resist the environment such as damp and heat, mildew, salt mist and the like, the second annular groove is added at the matching part of the rear cover and the shell, the first annular groove is added at the matching part of the shell and the speed reducer, and a sealing ring is used for sealing in the annular groove during assembly, thereby improving the sealing effect of the motor; through the cooperation of back lid endotheca and adapter sleeve, second nut, make the realization and the casing short circuit of motor lead-out wire, increased the utility model discloses a leakproofness and security.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the motor assembly of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of the steel bushing assembly of the present invention.
The reference numerals include:
1-motor component, 2-speed reducer, 3-shell, 31-first annular groove, 4-rotor component, 5-circuit board component, 6-middle cover, 7-back cover, 71-second annular groove, 8-sealing ring, 9-steel sleeve component, 91-steel sleeve, 92-N pole magnetic steel, 93-S pole magnetic steel, 10-bearing, 11-first nut, 12-gear, 13-back cover inner sleeve, 14-fastening sleeve and 15-second nut.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, a dc brushless electric mechanism with a speed reducing mechanism comprises a motor assembly 1 and a speed reducer 2, the motor assembly 1 and the speed reducer 2 are connected by screws, the motor assembly 1 comprises a housing 3, a rotor assembly 4, a circuit board assembly 5, an intermediate cover 6, a rear cover 7, a sealing ring 8, a steel bushing assembly 9, a bearing 10, a first nut 11 and a gear 12, the intermediate cover 6 is fixed on the housing 3 by screws, the rear cover 7 is fixed on the intermediate cover 6 by screws, the circuit board assembly 5 comprises a circuit board and a hall sensor installed on the circuit, the circuit board assembly 5 is fixed on the intermediate cover 6, the steel bushing assembly 9 comprises a steel bushing 91 and a plurality of magnetic steels adhered in the steel bushing 91, the steel bushing assembly 9 is assembled and fixed on the rotor assembly 4, the steel bushing assembly 9 is arranged at a distance from the circuit board assembly 5, the housing 3 is provided with a first annular groove 31 at the connection position of the, the rear cover 7 is provided with a second annular groove 71 at the joint with the shell 3, the sealing ring 8 is arranged in the first annular groove 31 and the second annular groove 71, the sealing structure enables the internal space of the motor to be compact and the utilization rate to be high, the rotor assembly 4 is assembled and fixed on the shell 3 assembly through the bearing 10 and the first nut 11, the gear 12 is installed at the output end of the rotor assembly 4, the direct-current brushless electric mechanism with the speed reducing mechanism detects the position of the rotor assembly 4 through the circuit board assembly 5 and returns the position to the controller to drive the motor to continuously work, the output end of the motor assembly 1 is connected with the speed reducer 2 through the gear 12, and torque is output from the output shaft of the speed reducer 2 after three-level speed reduction.
The intermediate cover 6 is fixed to the housing 3 by screws uniformly distributed along the radial circumference.
The Hall sensor is arranged on the circuit board in a horizontal mode. The Hall sensor on the circuit board assembly adopts a horizontal mode, and simultaneously adopts magnetization along the axial direction of the magnetic steel tile-shaped structure, so that the space of the electric mechanism is saved, the structure of the electric mechanism is compact, and the requirement on miniaturization of the electric mechanism can be met.
The magnet steel main part is the tile shape structure, and the magnet steel is total 6, including 3N utmost point magnet steel 92 and 3S utmost point magnet steel 93, and the concatenation is annular after N utmost point magnet steel 92 and S utmost point magnet steel 93 are put in turn. Each magnetic steel is magnetized along the axial direction independently.
Motor element 1 still includes back lid endotheca 13, adapter sleeve 14 and second nut 15, back lid endotheca 13 welded fastening is on the outlet port of back lid 7, adapter sleeve 14 is arranged in between second nut 15 and back lid endotheca 13 terminal surface, second nut 15 screws fixedly through screw thread and back lid endotheca 13, adapter sleeve 14 can inwards shrink along with back lid endotheca 13 and the screw thread of second nut 15 screws and contacts with motor element 1's lead-out wire in close contact with, motor element 1's lead-out wire has set shielding tube outward, through using back lid endotheca 13, adapter sleeve 14 and second nut 15's cooperation structure, guarantee shielding tube and casing short circuit, thereby guarantee motor element 1's lead-out wire and casing 3 short circuits.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (6)
1. The utility model provides a take reducing mechanism's brushless electric mechanism of direct current which characterized in that: the motor assembly comprises a motor assembly (1) and a speed reducer (2), wherein the motor assembly (1) is connected with the speed reducer (2) through screws, the motor assembly (1) comprises a shell (3), a rotor assembly (4), a circuit board assembly (5), an intermediate cover (6), a rear cover (7), a sealing ring (8), a steel bushing assembly (9), a bearing (10), a first nut (11) and a gear (12), the intermediate cover (6) is fixed on the shell (3) through screws, the rear cover (7) is fixed on the intermediate cover (6) through screws, the circuit board assembly (5) comprises a circuit board and a Hall sensor arranged on the circuit, the circuit board assembly (5) is fixed on the intermediate cover (6), the steel bushing assembly (9) comprises a steel bushing (91) and a plurality of magnetic steel bonded in the steel bushing (91), and the steel bushing assembly (9) is assembled and fixed on the rotor assembly (4), the motor is characterized in that the steel sleeve component (9) and the circuit board component (5) are arranged at intervals, a first annular groove (31) is arranged at the joint of the shell (3) and the speed reducer (2), a second annular groove (71) is arranged at the joint of the rear cover (7) and the shell (3), the sealing ring (8) is arranged in the first annular groove (31) and the second annular groove (71), the rotor component (4) is assembled and fixed on the shell (3) component through a bearing (10) and a first nut (11), the gear (12) is installed at the output end of the rotor component (4), the direct-current brushless electric mechanism with the speed reducing mechanism detects the position of the rotor component (4) through the circuit board component (5) and returns the rotor component to the controller to drive the motor to continuously work, the output end of the motor component (1) is connected with the speed reducer (2) through the gear (12), after three-stage speed reduction, torque is output from an output shaft of the speed reducer (2) to the outside.
2. The direct-current brushless electric machine with a reduction mechanism according to claim 1, characterized in that: the middle cover (6) is fixed on the shell (3) through screws uniformly distributed on the radial circumference.
3. The direct-current brushless electric machine with a reduction mechanism according to claim 1, characterized in that: the Hall sensor is installed on the circuit board in a horizontal mode.
4. The direct-current brushless electric machine with a reduction mechanism according to claim 1, characterized in that: the magnet steel main part is tile-shaped structure, magnet steel is total 6, including 3N utmost point magnet steel (92) and 3S utmost point magnet steel (93), splice annular after N utmost point magnet steel (92) and S utmost point magnet steel (93) are placed in turn.
5. The direct-current brushless electric machine with a reduction mechanism according to claim 1, characterized in that: motor element (1) still includes back lid endotheca (13), adapter sleeve (14) and second nut (15), back lid endotheca (13) welded fastening is on the outlet port of back lid (7), and adapter sleeve (14) are arranged in between second nut (15) and back lid endotheca (13) terminal surface, and second nut (15) are screwed fixedly through screw thread and back lid endotheca (13), and adapter sleeve (14) can inwards shrink along with the screw thread of back lid endotheca (13) and second nut (15) is screwed and is in close contact with the lead-out wire of motor element (1).
6. The direct-current brushless electric machine with a reduction mechanism according to claim 1, characterized in that: the first nut (11) is a hexagonal nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242858.XU CN211429165U (en) | 2020-03-03 | 2020-03-03 | Direct-current brushless electric mechanism with speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242858.XU CN211429165U (en) | 2020-03-03 | 2020-03-03 | Direct-current brushless electric mechanism with speed reducing mechanism |
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| Publication Number | Publication Date |
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| CN211429165U true CN211429165U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020242858.XU Active CN211429165U (en) | 2020-03-03 | 2020-03-03 | Direct-current brushless electric mechanism with speed reducing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357333A (en) * | 2021-06-08 | 2021-09-07 | 玄微子工业技术(深圳)有限公司 | Novel electric automobile trunk lid actuating mechanism |
-
2020
- 2020-03-03 CN CN202020242858.XU patent/CN211429165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357333A (en) * | 2021-06-08 | 2021-09-07 | 玄微子工业技术(深圳)有限公司 | Novel electric automobile trunk lid actuating mechanism |
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