CN106253622B - Direct-current brushless vibration motor and assembly method thereof - Google Patents
Direct-current brushless vibration motor and assembly method thereof Download PDFInfo
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- CN106253622B CN106253622B CN201610792207.6A CN201610792207A CN106253622B CN 106253622 B CN106253622 B CN 106253622B CN 201610792207 A CN201610792207 A CN 201610792207A CN 106253622 B CN106253622 B CN 106253622B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
- H02K7/063—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses integrally combined with motor parts, e.g. motors with eccentric rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Brushless Motors (AREA)
- Manufacture Of Motors, Generators (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
A direct current brushless vibration motor and an assembling method thereof relate to a direct current brushless vibration motor and an installing method thereof. The vibration motor is inconvenient to commutate, the exciting force is troublesome to adjust, sparks are easy to generate during the commutation, and the safety is affected. The vibration motor comprises a base, a linear stator embedded in the base and in interference fit with the base, a rotor concentric with the linear stator, a first end cover and a second end cover, wherein the first end cover and the second end cover are arranged at two ends of the base, a rotating shaft of the rotor is connected with the base through a bearing, the vibration motor is a brushless motor, the vibration motor further comprises an external controller for reversing and time control, and a Hall circuit board connected with the controller and used for collecting rotor position information, and the Hall circuit board is arranged on the first end cover through a fixing support. This technical scheme adopts brushless motor, is convenient for adjust exciting force, and the switching-over is convenient, and the controller is convenient for realize switching-over and time control, improves the position accuracy of hall circuit board, and then promotes position acquisition precision.
Description
Technical Field
The invention relates to the technical field of direct current brushless vibration motors, in particular to a direct current brushless vibration motor and an installation method thereof.
Background
The brushless DC motor is a high-technology product integrating the technologies of motor, micro-electronics, control, computer and the like, is restricted by the laggard basic industry of China, and has great difference with the international advanced level in terms of yield, variety, quality and application, and the main factors are as follows: 1) the number of optional electronic components is too small, especially for special integrated modules, the domestic blank still exists, the development and the large-scale production of new products are seriously influenced, and the reliability is poor, the price is high, and the actual production requirements are difficult to meet; 2) the old scientific research and production equipment, especially the lack of large-scale production means, is difficult to ensure the consistency of product quality, the low production efficiency and the increased production cost; 3) domestic raw materials and parts have high quality and low price, for example, key magnetic materials, ferrite magnets and rare earth magnetic steel of the brushless direct current motor cannot meet the requirements, and the level of a sensor for detecting the position of a rotor is also poor. 4) The brushless direct current motor belongs to the precise micro special motor, more precise processing equipment and testing equipment are needed, the investment is large, if a brushless direct current motor production plant for millions of recorders for one year is built, the total investment needs 1.5-2 million yuan, general enterprises are difficult to bear, and the technical improvement of the enterprises is seriously influenced.
The vibration motor adopts the brush motor at present, and its switching-over is inconvenient, and excitation force adjusts the trouble. When the brushless motor is adopted, the position error is large, the commutation is influenced, and sparks are easy to generate during the commutation. Affecting safety.
Disclosure of Invention
The technical problem to be solved and the technical task to be solved by the invention are to perfect and improve the prior technical scheme, and the invention provides the direct current brushless vibrating motor and the assembling method thereof, aiming at simplifying the structure, improving the quality and reducing the manufacturing cost. Therefore, the invention adopts the following technical scheme.
The utility model provides a brushless vibrating motor of direct current, includes the frame, embedded in the frame and with frame interference fit's line stator, with line stator concentric rotor and locate first end cover and the second end cover at frame both ends, be connected through the bearing between the pivot of rotor and the frame, vibrating motor be brushless motor, vibrating motor still include external controller that is used for reversing and time control, the hall circuit board that is used for gathering rotor position information that links to each other with the controller, the hall circuit board locate on the first end cover through the fixed bolster. The brushless motor is adopted, the exciting force is convenient to adjust, the reversing is convenient, the controller is convenient to realize reversing and time control, the Hall circuit board is fixedly connected to the end cover through the fixing support, the position precision of the Hall circuit board can be improved, and the position acquisition precision is further improved.
As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.
The fixing support is provided with a fan-shaped seat used for embedding the Hall circuit board, the fan-shaped seat is provided with a Hall circuit board accommodating cavity matched with the Hall circuit board, the Hall circuit board accommodating cavity bottom two ends are provided with bases with connecting holes, and the fan-shaped seat bottom two ends are provided with mounting seats with connecting holes so as to fix the fixing support to the first end cover through connecting pieces. Through being fixed in two bases in the fan-shaped seat hall circuit board on, the fixed bolster is fixed in first end cover through its both ends step again, and fixed hall circuit board that can be accurate stable promotes hall positioning accuracy.
The rotor is provided with a driving eccentric block and a driven eccentric block, the driving eccentric block is fixedly connected to the rotor, and the driven eccentric block can rotate around the rotor. The rotatable driven eccentric block can conveniently realize the adjustment of the exciting force.
The driving eccentric block is provided with an axial limiting rod, one side of the driven eccentric block is provided with an inwards concave arc surface matched with the limiting rod, the limiting rod is fixedly connected with a damping sleeve, and when the rotor rotates, the driving eccentric block and the driven eccentric block are in touch connection through the damping sleeve. A damping sleeve is arranged on the limiting rod between the driven block and the driving block, so that the abnormal noise of collision and connection can be eliminated.
The damping sleeve comprises a rigid inner sleeve sleeved on the limiting rod and a rubber outer sleeve sleeved on the peripheral surface of the rigid inner sleeve. The rigid inner sleeve is convenient for and the gag lever post rigid coupling, and the rubber overcoat is convenient for tightly overlap on the rigid inner sleeve, through the outer cover separation design to the shock attenuation cover, is convenient for change the overcoat after the overcoat wearing and tearing, and the outer effect that has in addition to being convenient for change after the overcoat wearing and tearing of separate design: because the outer sleeve is rubber and is softer, when the nut is screwed down, if no supporting piece is arranged, the rubber is easy to deform and the nut cannot be locked, so that a rigid inner sleeve is needed.
The magnetic shoe is characterized in that a yoke is sleeved outside the rotating shaft, a magnetic shoe is arranged on the peripheral surface of the yoke, a rear gland and a front gland for fixing the magnetic shoe are correspondingly arranged at the rear end and the front end of the magnetic shoe, and a magnetic ring for magnetic conduction is arranged on the peripheral surface of the magnetic shoe. The back gland and preceding gland can prevent the droing of vibrating motor long-time operation back magnetic shoe, and the magnetic ring is used for transmitting the signal between hall circuit board and the magnetic shoe.
The rotating shaft comprises a first bearing connecting part and a second bearing connecting part, and the first bearing connecting part is connected with the first end cover through a first bearing; the second bearing connecting part is connected with the second end cover through a second bearing, the first bearing connecting part is in clearance fit with the first bearing, and the second bearing connecting part is in transition fit with the second bearing. Make things convenient for the assembly to dismantle, influence to hall sensor when first bearing connecting portion and first bearing clearance fit reducible assembly simultaneously.
The axial both ends of frame all be equipped with 2 connecting holes of group, 2 connecting holes of group are the end cover connecting hole that is used for the end cover to connect respectively and are used for end cover to connect or the end cover connecting hole that the location frock is connected when the wire stator assembles. The end cover is conveniently connected with the end cover through the end cover connecting hole, and is conveniently connected with the positioning tool through the end cover connecting hole.
An assembling method of a direct current brushless vibration motor includes the following steps:
1) the positioning tool is connected with the end cover connecting hole of the base in a positioning mode through the positioning connecting piece, after the base is heated, the wire stator is positioned through the positioning tool, and the wire stator is pressed into a designed position through the press and the pressing tool;
2) the Hall circuit board is fixed on a fixing support through a screw, the fixing support is fixed on a first end cover which is internally provided with a first bearing through the screw to form an end cover Hall assembly, and after one end of the first end cover of the end cover Hall assembly is embedded into the mounting hole of the base, the first end cover is fixed on the base through the screw;
3) the rotor, the second bearing and the second end cover are assembled to form an end cover rotor assembly, the end cover rotor assembly is pressed into the machine base through a press, the rotor penetrates through the central hole of the linear stator until the connecting part of the first bearing is matched with the first bearing, and the second end cover is fixed on the machine base through a screw;
4) the two ends of the rotating shaft are respectively sleeved with a driving eccentric block component with a limiting rod and a damping sleeve, then the two ends of the rotating shaft are respectively sleeved with a driven eccentric block component, the concave cambered surface of the driven eccentric block is abutted to the damping sleeve, and finally a locking nut is screwed.
5) The connecting piece passes through the end cover and is connected with an end cover connecting hole fixed on the machine base, so that the end cover is fixedly connected with the machine base.
The positioning tool is a positioning ring, positioning holes corresponding to the end cover connecting holes of the base in number and position are formed in the end face of the positioning ring, positioning keys matched with the wire stator positioning side grooves are arranged on the inner circumferential surface of the positioning ring, the positions of the positioning keys correspond to the positions of the wire outlet holes of the base, and the positioning ring realizes connection and positioning between the positioning holes and the end cover connecting holes of the base through positioning connecting pieces.
The frock of impressing for the cover of impressing, the cover of impressing including the straight section of thick bamboo of impressing with locate the spacing step of the straight section of thick bamboo upper end of impressing, the straight section of thick bamboo of impressing be equipped with the notch that is used for dodging positioning key on the holding ring, the notch width is greater than positioning key width, when the line stator of impressing, the positioning key of the holding ring is aimed at to the notch of the straight section of thick bamboo of impressing to at the in-process week location of impressing, the spacing step of the cover of impressing is used for controlling. The positioning of the positioning ring can greatly improve the position precision in the assembly process of the linear stator, and is a necessary basis for realizing mass production; the wire stator can be quickly and accurately pressed in place through the pressing sleeve.
Has the advantages that: the assembly precision and speed are effectively improved, the Hall positioning precision is improved, abnormal sound generated when the driven eccentric block knocks the driving eccentric block is eliminated, the vibration motor is convenient to disassemble and assemble, the quality of the vibration motor is effectively improved, and a foundation is laid for mass production.
Drawings
Fig. 1 is a schematic diagram of the blasting structure of the vibration motor of the present invention.
Fig. 2 is a schematic illustration of the wire stator press fit of the present invention.
Fig. 3 is a schematic view of the mounting position of the fixing bracket of the present invention.
Fig. 4 is a schematic view of the fixing bracket of the present invention.
Fig. 5 is a schematic view of the rotor structure of the present invention.
In the figure: 1-a machine base; 2-wire stator; 3-a rotor; 4-a Hall circuit board; 5-fixing a bracket; 6-first end cap; 7-active eccentric block; 8-a limiting rod; 9-a rigid inner sleeve; 10-rubber jacket; 11-end shield; 12-a driven eccentric mass; 13-a positioning ring; 14-pressing in the sleeve; 101-end shield attachment holes; 102-outlet holes; 103-end cap connection hole; 201-positioning side groove; 301-a rotating shaft; 302-rear gland; 303-magnetic shoe; 304-front gland; 305-a magnetic ring; 306-a yoke; 307-a first bearing connection; 308-a second bearing connection; 501-a fan-shaped seat; 502-a base; 503-step; 1301-positioning holes; 1302-navigation key; 1401-pressing into a straight cylinder; 1402-limit step; 1403-notch.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
As shown in fig. 1-5, a dc brushless vibration motor, including a base 1, a wire stator 2 embedded in the base 1 and interference-fitted with the base 1, a rotor 3 concentric with the wire stator, and a first end cap 6 and a second end cap disposed at two ends of the base 1, a rotating shaft 301 of the rotor 3 is connected with the base 1 through a bearing, the vibration motor is a brushless motor, the vibration motor further includes an external controller for performing commutation and time control, a hall circuit board 4 connected with the controller for collecting position information of the rotor 3, the hall circuit board 4 is disposed on the first end cap 6 through a fixing bracket 5.
In order to improve the hall positioning accuracy, the fixed bolster 5 be equipped with the fan-shaped seat 501 that is used for inlaying and establishes hall circuit board 4, fan-shaped seat 501 is equipped with the hall circuit board that matches with hall circuit board 4 and holds the chamber, the hall circuit board holds the chamber bottom both ends and is equipped with the base 502 of taking the connecting hole, fan-shaped seat 501 bottom both ends are equipped with the mount pad 503 of taking the connecting hole in order to fix the fixed bolster 5 to first end cover 6 through the connecting piece. Through being fixed in hall circuit board 4 on two bases 502 in fan-shaped seat 501, fixed bolster 5 is fixed in first end cover 6 through its both ends step 503 again, and fixed hall circuit board 4 that can be accurate stable promotes hall positioning accuracy.
In order to adjust the exciting force, the rotor 3 is provided with a driving eccentric block 7 and a driven eccentric block 12, the driving eccentric block 7 is fixedly connected to the rotor 3, and the driven eccentric block 12 can rotate around the rotor 3. The rotatable driven eccentric block 12 can conveniently realize the adjustment of the exciting force.
In order to eliminate the abnormal sound of the collision of the driven eccentric block 12 and the driving eccentric block 7, the driving eccentric block 7 is provided with an axial limiting rod 8, one side of the driven eccentric block 12 is provided with a concave arc surface matched with the limiting rod 8, the limiting rod 8 is fixedly connected with a damping sleeve, and when the rotor 3 rotates, the driving eccentric block 7 and the driven eccentric block 12 are in collision connection through the damping sleeve. The limiting rod 8 is provided with a damping sleeve, so that abnormal noise of collision and connection can be eliminated.
In order to facilitate maintenance and replacement, the damping sleeve comprises a rigid inner sleeve 9 sleeved on the limiting rod 8 and a rubber outer sleeve 10 sleeved on the peripheral surface of the rigid inner sleeve 9. The rigid inner sleeve 9 is convenient to be fixedly connected with the limiting rod 8, the rubber outer sleeve 10 is convenient to be tightly sleeved on the rigid inner sleeve, and the outer sleeve is convenient to replace after being worn through the design of separating the inner sleeve and the outer sleeve of the damping sleeve.
In order to improve the working stability of the vibration motor, the yoke 306 is sleeved outside the rotating shaft 301, the magnetic shoe 303 is arranged on the peripheral surface of the yoke 306, the rear end and the front end of the magnetic shoe 303 are correspondingly provided with a rear gland 302 and a front gland 304 for fixing the magnetic shoe 303, and the magnetic ring 305 for magnetic conduction is arranged on the peripheral surface of the magnetic shoe 303. The rear gland 302 and the front gland 304 can prevent the magnetic shoe 303 from falling off after the vibration motor operates for a long time, and the magnetic ring 305 is used for transmitting signals between the hall circuit board 4 and the magnetic shoe 303.
In order to facilitate the assembly and disassembly, the rotating shaft 301 includes a first bearing connecting portion 307 and a second bearing connecting portion 308, the first bearing connecting portion 307 is connected with the first end cover through a first bearing; the second bearing connection portion 308 is connected with the second end cap through a second bearing, the first bearing connection portion 307 is in clearance fit with the first bearing, and the second bearing connection portion 308 is in transition fit with the second bearing. Make things convenient for the assembly to dismantle, influence to hall sensor when first bearing connecting portion and first bearing clearance fit reducible assembly simultaneously.
In order to facilitate connection with an end cover or a positioning tool, 2 groups of connecting holes are arranged at two axial ends of the base 1, and the 2 groups of connecting holes are respectively an end cover connecting hole 103 for end cover connection and an end cover connecting hole 101 for end cover 11 connection or positioning tool connection during assembly of the linear stator 2. The end cover is conveniently connected with the end cover through the end cover connecting hole 103, and is conveniently connected with the positioning tool through the end cover connecting hole 101.
An assembling method of a direct current brushless vibration motor includes the following steps:
1) the positioning tool is connected with the end cover connecting hole 101 of the base 1 in a positioning mode through the positioning connecting piece, after the base 1 is baked, the wire stator 2 is positioned through the positioning tool, and the wire stator 2 is pressed into a designed position through the press and the pressing tool;
2) the Hall circuit board 4 is fixed on a fixed support 5 through a screw, the fixed support 5 is fixed on a first end cover 6 provided with a first bearing through the screw to form an end cover Hall assembly, and after one end of the first end cover 6 of the end cover Hall assembly is embedded into the mounting hole of the machine base 1, the first end cover 6 is fixed on the machine base 1 through the screw;
3) the rotor 3, the second bearing and the second end cover are assembled to form an end cover rotor assembly, the end cover rotor assembly is pressed into the machine base 1 through a press, the rotor 3 penetrates through a central hole of the linear stator 2 until the first bearing connecting part 307 is matched with the first bearing, and the second end cover is fixed on the machine base 1 through a screw;
4) the two ends of the rotating shaft 301 are respectively sleeved with the driving eccentric block 7 component with the limiting rod 8 and the damping sleeve, then the two ends of the rotating shaft 301 are respectively sleeved with the driven eccentric block 12 component, the concave cambered surface of the driven eccentric block 12 is abutted to the damping sleeve, and finally the locking nut is screwed.
5) The connecting piece passes through the end cover 11 and is connected with an end cover connecting hole 101 fixed on the machine base 1, and the fixed connection of the end cover 11 and the machine base 1 is realized.
In order to improve the positioning accuracy and quickly and accurately press the linear stator 2, the positioning tool is characterized in that the end face of a positioning ring 13 of the positioning ring 13 is provided with positioning holes 1301 with the same number and positions as those of end cover connecting holes 101 of the base 1, the inner circumferential surface of the positioning ring 13 is provided with a positioning key 1302 embedded with one positioning side groove 201 of U, V, W three phases of the linear stator 2, the position of the positioning key 1302 corresponds to the position of a wire outlet hole 102 of the base 1, and the positioning ring 13 realizes the connection and positioning between the positioning hole 1301 and the end cover connecting hole 101 of the base 1 through a positioning connecting piece; the pressing-in tool is a pressing-in sleeve 14, the pressing-in sleeve 14 comprises a pressing-in straight cylinder 1401 and a limiting step 1402 arranged at the upper end of the pressing-in straight cylinder 1401, the pressing-in straight cylinder 1401 is provided with a notch 1403 used for avoiding a positioning key 1302 on a positioning ring 13, the width of the notch 1403 is larger than that of the positioning key 1302, when a wire stator 2 is pressed in, the notch 1403 of the pressing-in straight cylinder 1401 aligns with the positioning key 1302 of the positioning ring 13 so as to avoid the positioning key 1302 in the pressing-in process, and the limiting step 1402 of the pressing-in sleeve 14 is used for controlling the pressing-in. By positioning the positioning ring 13, the position precision in the assembly process of the linear stator 2 can be greatly improved, and the positioning ring is a necessary basis for realizing mass production; the wire stator 2 can be pressed into place quickly and precisely by means of the press-in sleeve 14.
In the example, in order to meet the vibration intensity and the weight reduction of the vibration motor, ZL104 is adopted as the material of the machine base 1, and the surface is subjected to passivation treatment after shot blasting.
In this example, the material of the rotating shaft 301 is 40CR, which can ensure that the rotor 3 will not break off when the motor operates; the yoke 306 is made of 20# low carbon steel, which can prevent magnetic conduction.
In this example, the stopper 8 is a M6 × 35 black full thread hexagon head bolt screw. The head of the limiting rod 8 is provided with a locking nut 11.
In this example, the hall circuit board 4 is fixed to the fixing bracket 5 by M3 × 6.5 cross pan head tapping screws, and then the fixing bracket 5 is fixed to the first end cap 6 by M3 × 10 white zinc plating anti-dropping cross pan head screws.
The above brushless dc vibration motor and the assembling method thereof shown in fig. 1-5 are embodiments of the present invention, which have shown the essential features and advantages of the present invention, and it is within the scope of the present invention to modify the shape, structure, etc. of the vibration motor according to the practical needs.
Claims (11)
1. The utility model provides a brushless vibrating motor of direct current, includes frame (1), embedded in frame (1) and with frame (1) interference fit's line stator (2), with line stator concentric rotor (3) that set up and locate first end cover (6) and the second end cover at frame (1) both ends, be connected its characterized in that through the bearing between pivot (301) and the frame (1) of rotor (3): the vibration motor is a brushless motor, the vibration motor further comprises an external controller for reversing and time control, and a Hall circuit board (4) connected with the controller and used for collecting position information of the rotor (3), and the Hall circuit board (4) is arranged on the first end cover (6) through a fixing support (5); when the motor is assembled, the Hall circuit board (4) is fixed on the fixing support (5) through screws, the fixing support (5) is fixed on a first end cover (6) provided with a first bearing inside through screws to form an end cover Hall assembly, and after one end of the first end cover (6) of the end cover Hall assembly is embedded into the mounting hole of the base (1), the first end cover (6) is fixed on the base (1) through screws; the rotor (3), the second bearing and the second end cover are assembled to form an end cover rotor assembly, the end cover rotor assembly is pressed into the machine base (1) through a press, the rotor (3) penetrates through a central hole of the linear stator (2) until the first bearing connecting part (307) is matched with the first bearing, and the second end cover is fixed on the machine base (1) through a screw; the two ends of the rotating shaft (301) are respectively sleeved with a driving eccentric block (7) component with a limiting rod (8) and a damping sleeve, then the two ends of the rotating shaft (301) are respectively sleeved with a driven eccentric block (12) component, the concave cambered surface of the driven eccentric block (12) is abutted to the damping sleeve, and finally a locking nut is screwed.
2. A direct current brushless vibration motor according to claim 1, wherein: fixed bolster (5) be equipped with and be used for inlaying fan-shaped seat (501) of establishing hall circuit board (4), fan-shaped seat (501) are equipped with the hall circuit board that matches with hall circuit board (4) and hold the chamber, the hall circuit board holds chamber bottom both ends and is equipped with base (502) of taking the connecting hole, fan-shaped seat (501) bottom both ends are equipped with mount pad (503) of taking the connecting hole in order to fix fixed bolster (5) to first end cover (6) through the connecting piece.
3. A direct current brushless vibration motor according to claim 1, wherein: rotor (3) on be equipped with initiative eccentric block (7) and can take the initiative eccentric block (7) pivoted driven eccentric block (12) relatively, initiative eccentric block (7) rigid coupling on rotor (3), driven eccentric block (12) can rotate around rotor (3).
4. A direct current brushless vibration motor according to claim 3, wherein: initiative eccentric block (7) on be equipped with axial gag lever post (8), driven eccentric block (12) one side be equipped with the indent cambered surface that matches with gag lever post (8), gag lever post (8) on be equipped with the shock attenuation cover, when rotor (3) was rotatory, bump through the shock attenuation cover and connect between initiative eccentric block (7) and driven eccentric block (12).
5. A direct current brushless vibration motor according to claim 4, wherein: the damping sleeve comprises a rigid inner sleeve (9) sleeved on the limiting rod (8) and a rubber outer sleeve (10) sleeved on the peripheral surface of the rigid inner sleeve (9).
6. A direct current brushless vibration motor according to claim 1, wherein: the outer sleeve of pivot (301) have yoke (306), be equipped with magnetic shoe (303) on the outer peripheral face of yoke (306), the rear end and the front end of magnetic shoe (303) correspond and are equipped with back gland (302) and preceding gland (304) that are used for fixed magnetic shoe (303), magnetic shoe (303) peripheral surface on be equipped with magnetic ring (305) that are used for the magnetic conduction.
7. A direct current brushless vibration motor according to claim 6, wherein: the rotating shaft (301) comprises a first bearing connecting part (307) and a second bearing connecting part (308), and the first bearing connecting part (307) is connected with the first end cover through a first bearing; the second bearing connecting part (308) is connected with the second end cover through a second bearing, the first bearing connecting part (307) is in clearance fit with the first bearing, and the second bearing connecting part (308) is in transition fit with the second bearing.
8. A direct current brushless vibration motor according to claim 1, wherein: the motor base (1) axial both ends all be equipped with 2 connecting holes of group, 2 connecting holes are end cover connecting hole (103) that are used for the end cover to connect respectively and are used for end cover (11) to connect or end cover connecting hole (101) that location frock is connected when linear stator (2) assembles.
9. An assembling method of a direct current brushless vibration motor is characterized by comprising the following steps:
1) the positioning tool is connected with the end cover connecting hole (101) of the base (1) in a positioning mode through the positioning connecting piece, after the base (1) is baked, the wire stator (2) is positioned through the positioning tool, and the wire stator (2) is pressed into a designed position through the press and the pressing tool;
2) the Hall circuit board (4) is fixed on the fixing support (5) through screws, the fixing support (5) is fixed on a first end cover (6) with a first bearing arranged inside through screws to form an end cover Hall assembly, and after one end of the first end cover (6) of the end cover Hall assembly is embedded into the mounting hole of the base (1), the first end cover (6) is fixed on the base (1) through screws;
3) the rotor (3), the second bearing and the second end cover are assembled to form an end cover rotor assembly, the end cover rotor assembly is pressed into the machine base (1) through a press, the rotor (3) penetrates through a central hole of the linear stator (2) until the first bearing connecting part (307) is matched with the first bearing, and the second end cover is fixed on the machine base (1) through a screw;
4) the two ends of the rotating shaft (301) are respectively sleeved with a driving eccentric block (7) component with a limiting rod (8) and a damping sleeve, then the two ends of the rotating shaft (301) are respectively sleeved with a driven eccentric block (12) component, the concave cambered surface of the driven eccentric block (12) is abutted to the damping sleeve, and finally a locking nut is screwed;
5) the connecting piece penetrates through the end cover (11) to be connected with an end cover connecting hole (101) fixed on the machine base (1), and the end cover (11) is fixedly connected with the machine base (1).
10. A method of assembling a dc brushless vibration motor according to claim 9, wherein: the locating tool is a locating ring (13), locating holes (1301) corresponding to the number and the positions of end cover connecting holes (101) of the base (1) are formed in the end face of the locating ring (13), locating keys (1302) matched with the locating side grooves (201) of the linear stators (2) are arranged on the inner circumferential surface of the locating ring (13), the positions of the locating keys (1302) correspond to the positions of wire outlet holes (102) of the base (1), and the locating ring (13) is located between the locating holes (1301) and the end cover connecting holes (101) of the base (1) through locating connectors.
11. A method of assembling a dc brushless vibration motor according to claim 9 or 10, wherein: the tool for pressing in is a sleeve (14) for pressing in, the sleeve (14) for pressing in includes a straight tube (1401) for pressing in and a limit step (1402) arranged at the upper end of the straight tube (1401) for pressing in, the straight tube (1401) for pressing in is provided with a notch (1403) used for avoiding a positioning key (1302) on a positioning ring (13), the width of the notch (1403) is larger than that of the positioning key (1302), when a wire stator (2) is pressed in, the notch (1403) of the straight tube (1401) for pressing in aligns with the positioning key (1302) of the positioning ring (13) so as to be circumferentially positioned in the pressing in process, and the limit step (1402) of the sleeve (14) for pressing in is used for controlling the pressing in depth of the wire stator (2) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792207.6A CN106253622B (en) | 2016-08-31 | 2016-08-31 | Direct-current brushless vibration motor and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792207.6A CN106253622B (en) | 2016-08-31 | 2016-08-31 | Direct-current brushless vibration motor and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106253622A CN106253622A (en) | 2016-12-21 |
| CN106253622B true CN106253622B (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792207.6A Active CN106253622B (en) | 2016-08-31 | 2016-08-31 | Direct-current brushless vibration motor and assembly method thereof |
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| CN109951027A (en) * | 2019-04-06 | 2019-06-28 | 卧龙电气驱动集团股份有限公司 | A kind of novel built-in driving direct-flow vibrating |
| CN114102100B (en) * | 2021-12-12 | 2024-06-18 | 陕西航空电气有限责任公司 | Brushless direct current motor hall seat pressure equipment guiding device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101800452A (en) * | 2010-04-21 | 2010-08-11 | 卧龙电气集团股份有限公司 | Eccentric block vibration mechanism of vibration motor |
| CN202721551U (en) * | 2012-08-09 | 2013-02-06 | 宋广玉 | Vibration motor |
| CN204669173U (en) * | 2015-03-13 | 2015-09-23 | 苏州力久新能源科技有限公司 | Be applicable to the guide locating device provided of stator and casing hot jacket |
| CN204967547U (en) * | 2015-08-31 | 2016-01-13 | 比亚迪股份有限公司 | Electric machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020190589A1 (en) * | 2001-06-14 | 2002-12-19 | Sunonwealth Electric Machine Industry Co., Ltd. | Direct current brushless type vibration motor |
| CN206041769U (en) * | 2016-08-31 | 2017-03-22 | 卧龙电气集团股份有限公司 | Novel brushless vibrating motor of direct current |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800452A (en) * | 2010-04-21 | 2010-08-11 | 卧龙电气集团股份有限公司 | Eccentric block vibration mechanism of vibration motor |
| CN202721551U (en) * | 2012-08-09 | 2013-02-06 | 宋广玉 | Vibration motor |
| CN204669173U (en) * | 2015-03-13 | 2015-09-23 | 苏州力久新能源科技有限公司 | Be applicable to the guide locating device provided of stator and casing hot jacket |
| CN204967547U (en) * | 2015-08-31 | 2016-01-13 | 比亚迪股份有限公司 | Electric machine |
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Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Applicant after: Wolong Electric Drive Group Co., Ltd. Applicant after: Shaoxing Oli-wolong Vibrator Co., Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Applicant before: Wolong Electric Group Co., Ltd. Applicant before: Shaoxing Oli-wolong Vibrator Co., Ltd. |
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