Synchronous motor orientation piece and orientation mechanism
Technical Field
The utility model relates to a motor accessory technical field, more specifically say, relate to a synchronous machine directional piece and orienting mechanism.
Background
The micro motor is widely applied to the fields of instruments, robots, toys and the like. The existing partial micro synchronous motor is generally composed of three parts of driving, orientation and speed change, a stator pole piece of the driving part is designed into an asymmetric circular arc, a groove and a flange, a lateral magnetic field is formed through current of a spiral coil, a permanent magnet planar rotor at the bottom is driven to rotate, a driving gear connected with the rotor into a whole is driven to rotate, and then the speed is reduced through a plurality of stages of intermediate gears and the output torque is increased. The size of such a motor can be made small.
However, the synchronous motor is relatively noisy due to friction between the directional plate and the gear during use, thereby limiting its range of use. In addition, when the orientation mechanism of the synchronous motor is worn, the existing orientation mechanism structure can only scrap the whole motor, and the wear problem can not be solved by replacing parts, so that the use cost of the synchronous motor is relatively high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a synchronous motor directional sheet; the directional sheet has a simple structure, can reduce noise when being used in cooperation with the gear, and therefore improves practicability. The utility model also provides a directional mechanism, this directional mechanism compact structure to can conveniently change spare part, thereby reduce synchronous machine's use cost.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a synchronous motor directional plate is connected with a directional gear set; comprises a body; the body is provided with a buckling piece used for being buckled and connected with the directional gear set; the body is provided with a groove for storing lubricating oil; the body is provided with a positioning rod and an orientation piece used for propping against an orientation boss of the rotor.
In the above scheme, the utility model discloses a directional piece is provided with the recess that is used for storing lubricating oil, greatly reduced noise when using with the cooperation of directional gear train to improve the practicality. In addition, if the parts of the positioning rod and the orientation piece arranged on the orientation piece are worn or damaged, the whole orientation piece can be replaced, so that the problem that the whole synchronous motor in the prior art is scrapped is solved, and the use cost of the synchronous motor is reduced.
The buckle piece is arranged in the middle of the body.
The groove is formed in the side face, facing the directional gear set, of the body.
The groove is an annular groove.
The directional piece is arranged on the side face, far away from the directional gear set, of the body and protrudes out of the body.
The locating rod is arranged on the side face, far away from the directional gear set, of the body.
The positioning rod and the directional piece are oppositely arranged. The design can ensure that the positioning rod can be limited when the directional piece props against the directional boss of the rotor, and the unidirectional rotation of the directional gear set can be ensured by a double mechanical locking mode.
An orientation mechanism comprises the synchronous motor orientation sheet, an orientation gear set, a machine shell, a rotor and an input gear; the directional gear set is connected with the body in a buckling mode through a buckling piece; the input gear is coaxially connected with the rotor and is in meshed connection with the directional gear set; the rotor is arranged in the shell, and the bottom surface of the rotor protruding out of the shell is provided with an orientation boss which is propped against the orientation piece.
In the scheme, the directional gear set is connected with the body in a buckled mode through the buckling piece, so that the directional sheet can be conveniently detached and installed, in addition, the directional piece and the directional boss are abutted to realize mechanical clamping, and therefore the directional rotation of the directional gear set of the synchronous motor is realized.
The bottom surface of the shell is provided with a positioning groove; the locating rod is connected with the locating groove in a sliding mode. The utility model discloses set up the locating lever on the detachable locating piece, if in the use, the locating lever can dismantle whole directional piece when wearing and tearing or damage appear and change, and need not whole synchronous machine and scrap to reduce synchronous machine's use cost. In addition, the design can improve the assembly precision of the synchronous motor.
The directional gear set is provided with a gear set boss, and the directional gear set is embedded in the buckling piece through the gear set boss to be connected with the body in a buckling mode. The structure is simple, and the assembly and disassembly of the directional sheet and the directional gear set can be facilitated.
The utility model discloses an inside coil and the rotor of still being provided with of orienting mechanism's casing, the rotor setting is at the inside well core rod of casing to locate the inner circle of coil. The rotor is the same with prior art, adopts annular multipolar permanent magnet structure, the utility model discloses a directional mechanism's working process does:
when the rotor rotates clockwise, the input gear drives the directional gear set to rotate anticlockwise so as to drive the directional sheet to rotate anticlockwise, the positioning rod of the directional sheet slides in the positioning groove, when the positioning rod is arranged at the end part of the positioning groove, the positioning of the directional sheet is realized, and the directional sheet does not rotate anticlockwise along with the directional gear set. At the moment, the directional boss of the rotor cannot be mechanically clamped by the directional piece, the rotor can drive the directional gear set to rotate anticlockwise in a single direction, and then the speed is reduced through other transmission gear sets and the output shaft is driven to rotate through the output gear set.
When the rotor anticlockwise rotates, the directional gear set is driven to rotate clockwise through the input gear to drive the directional piece to rotate clockwise, the positioning rod of the directional piece slides in the positioning groove, and when the directional piece abuts against the directional boss of the rotor, the rotor can not rotate anticlockwise through mechanical force clamping, the positioning rod can not rotate anticlockwise at the other end of the positioning groove, double clamping is achieved, and the directional gear set can not rotate clockwise.
The utility model discloses synchronous machine's orienting mechanism simple structure, with the position conversion of the directional boss of directional piece and rotor, then can realize synchronous machine's selectivity orientation: when the orientation piece of the orientation piece is positioned on the left side of the connecting line of the center of the rotor and the axis of the orientation gear set, the rotor can rotate clockwise. When the orientation piece of the orientation piece is positioned on the right side of the connecting line of the center of the rotor and the axis of the orientation gear set, the rotor can rotate anticlockwise. Therefore, the synchronous motor can rotate forwards or backwards according to the requirements of customers, and the steering requirement of the synchronous motor is met.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
1. the utility model discloses synchronous machine directional piece simple structure uses the reducible noise with the gear cooperation to improve the practicality.
2. The utility model discloses a directional mechanism compact structure to can conveniently change spare part, thereby reduce synchronous machine's use cost.
Drawings
Fig. 1 is a schematic view of the connection between the directional plate and the directional gear set of the present invention;
fig. 2 is an exploded view of the directional plate and directional gear set of the present invention;
fig. 3 is a schematic view of the housing of the present invention;
fig. 4 is an internal schematic view of the synchronous motor of the present invention;
wherein, 1 is the directional piece, 2 is directional gear train, 2.1 is the gear train boss, 3 is buckle spare, 4 is the recess, 5 is the locating lever, 6 is directional boss, 7 is directional spare, 8 is the casing, 9 is the rotor, 10 is the input gear, 11 is the constant head tank, 12 is the drive gear group, 13 is the output shaft, 14 is the output gear train.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 4, the utility model discloses a synchronous machine directional piece 1 is connected with directional gear train 2, and this directional piece 1 includes the body, and the body is provided with the buckle 3 that is used for being connected with directional gear train 2 buckle, and the body is provided with recess 4 that is used for storing lubricating oil, and this body still is provided with locating lever 5 and the directional 7 that is used for withstanding the directional boss 6 of rotor.
In particular, the catch 3 is arranged in the middle of the body, while the groove 4 is an annular groove and opens on the side of the body facing the directional gear set 2. The directional piece 7 is arranged on the side face of the body far away from the directional gear set 2 and protrudes out of the body, and the positioning rod 5 is arranged on the side face of the body far away from the directional gear set 2. The positioning rod 5 and the directional piece 7 are arranged oppositely, the positioning rod 5 can be limited when the directional piece 7 is pressed against the directional boss 6 of the rotor, and the unidirectional rotation of the directional gear set 2 can be ensured by a double mechanical locking mode.
The utility model discloses an orienting mechanism is including directional piece 1, still includes directional gear train 2, casing 8, rotor 9 and input gear 10, and wherein, directional gear train 2 passes through buckle spare 3 and is connected with the body buckle, and input gear 10 and rotor 9 coaxial coupling and with directional gear train 2 meshing be connected, this rotor 9 sets up inside casing 8, and rotor 9 protrusion is provided with the directional boss 6 that pushes up mutually with directional 7 in the bottom surface of casing 8.
In order to facilitate the assembly and disassembly of the orientation piece 1 and the orientation gear set 2, the orientation gear set 2 is provided with a gear set boss 2.1, and the orientation gear set 2 is embedded in the fastener 3 through the gear set boss 2.1 to realize the fastening connection with the body. The utility model discloses a bottom surface of casing 8 is provided with constant head tank 11, locating lever 5 and constant head tank 11 sliding connection.
The utility model discloses an inside coil and the rotor 9 of still being provided with of orienting mechanism's casing 8, rotor 9 sets up at the inside well core rod of casing 8 to locate the inner circle of coil. Rotor 9 is the same with prior art, adopts the multipolar permanent magnet structure of annular, the utility model discloses synchronous machine orientation mechanism's working process does:
when the rotor 9 rotates clockwise, the input gear 10 drives the directional gear set 2 to rotate anticlockwise so as to drive the directional sheet 1 to rotate anticlockwise, the positioning rod 5 of the directional sheet 1 slides in the positioning groove 11, when the positioning rod 5 is arranged at the end part of the positioning groove 11, the positioning of the directional sheet 1 is realized, and the directional sheet 1 does not rotate anticlockwise along with the directional gear set 2. At this time, the directional boss 6 of the rotor 9 is not mechanically locked by the directional member 7, the rotor 9 can drive the directional gear set 2 to rotate counterclockwise in one direction, and then the speed is reduced by the other transmission gear set 12 and the output shaft 13 is driven to rotate by the output gear set 14, so that the one-way rotation of the synchronous motor is realized.
When rotor 9 anticlockwise rotates, drive directional gear set 2 clockwise through input gear 10 to drive directional piece 1 clockwise, positioning rod 5 of directional piece 1 slides at constant head tank 11, when directional piece 7 withstood rotor 9's directional boss 6, dies through the mechanical force card, makes rotor 9 unable anticlockwise rotation, and positioning rod 5 realizes dual card at constant head tank 11 another tip this moment and dies, thereby makes directional gear set 2 also unable clockwise rotation.
The utility model discloses synchronous machine's orienting mechanism simple structure, with the directional boss 6's of directional piece 1 and rotor 9 position conversion, then can realize synchronous machine's selectivity orientation: when the directional piece 7 of the directional piece 1 is positioned on the left of the connecting line of the center of the rotor 9 and the axis of the directional gear set 2, the rotor 9 can rotate clockwise. When the directional piece 7 of the directional piece 1 is positioned at the right side of the connecting line of the center of the rotor 9 and the axis of the directional gear set 2, the rotor 9 can rotate anticlockwise. Therefore, the synchronous motor can rotate forwards or backwards according to the requirements of customers, and the steering requirement of the synchronous motor is met.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.