CN212115117U

CN212115117U - Novel vibration micromotor

Info

Publication number: CN212115117U
Application number: CN202021198551.0U
Authority: CN
Inventors: 庞茂强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-08
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a novel vibration micromotor, which comprises a shell, a rear cover, a bearing, a rotor assembly and a spring assembly, wherein one end of the shell is connected with the bearing, the bearing and the shell are in a nested design, the other end of the shell is connected with the rear cover, the rear cover and the shell are in a nested design, the spring assembly and the rotor assembly are fixed in the shell by the rear cover, the rotor assembly is positioned at the front end inside the shell, the spring assembly is positioned at the rear end inside the shell, the front end of the rotor assembly respectively passes through the shell and the bearing, the rear end of the rotor assembly respectively passes through the spring assembly and the rear cover, and the end of the rotor assembly is; the utility model discloses utilize incessant for motor power supply, the outage operation of pulse signal, make the rotor rotatory and get back to initial position under the effect of spring to produce the high frequency vibrations.

Description

Novel vibration micromotor

Technical Field

The utility model relates to a novel vibrations micromotor technical field.

Background

The motion direction of most traditional motors is the unilateral, if will realize the reciprocating motion of traditional motor, will connect external mechanical conversion device usually or adopt synchronous machine to control traditional motor, and such mode often leads to the overall structure of motor to become complicated, can increase the volume of motor moreover, and the application of not only inconvenient motor still can increase the manufacturing cost of motor.

Therefore, the spring motor which changes the movement direction of the motor by utilizing the torque generated by the spring lock exists at present, because the rotor of the traditional motor is difficult to be processed secondarily, and the shape and the size of the traditional motor are difficult to be processed and utilized, the applicability is low, most springs are in a welding state, the durability of the springs is lowered, the springs are easy to break, the welding process is difficult to achieve accurate positioning, the consistency of the performance of the motor is influenced, the situation that the springs are loosened in the using process is influenced, the production efficiency of the method is low, the cost rate is low, large-scale production is difficult to achieve, and high economic benefits cannot be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel vibration micromotor, which reduces the error caused by manual assembly by using a machine to complete integrated assembly, and the elastic part is composed of more than 2 elastic parts, thereby reducing the damage rate of the spring, and the connection is fixed by arranging a hole groove, so that the moving performance of the elastic part is better, and the symmetrical design ensures that the stress of the spring is uniform; the connecting piece is established in the middle part with adding, and the rotation process forms compression state to one end elastic component, and the other end forms tensile state, utilizes the elasticity principle of spring, and both ends form reaction force, drive the rotor and get back to initial position.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

a novel vibration micromotor is characterized by comprising a shell, a rear cover, a bearing, a magnet, a rotor assembly and a spring assembly, wherein one end of the shell is connected with the bearing, the bearing and the shell are in a nested design, the other end of the shell is connected with the rear cover, the rear cover and the shell are in the nested design, the magnet, the spring assembly and the rotor assembly are fixed inside the shell by the rear cover, the rotor assembly is located at the front end inside the shell, the spring assembly is located at the rear end inside the shell, the magnet is located outside the rotor assembly, the front end of the rotor assembly penetrates through the shell and the bearing respectively, and the rear end of the rotor assembly penetrates through the spring assembly and abuts against the central empty groove of the rear cover respectively; the rotor assembly comprises a rotor, an iron core, a coil, a wire, a fixing piece A and a fixing piece B, the iron core is sleeved outside the rotor, the left end and the right end of the iron core are connected with the coil, one end of the coil is connected with the wire, the other end of the wire penetrates through the spring assembly and penetrates out of the rear cover, the front end and the rear end of the rotor respectively penetrate through the fixing piece A and the fixing piece B, the fixing piece A is located at the front end inside the shell, and the fixing piece B is located at the front end of the spring assembly; the spring assembly comprises a spring fixing shell, a spring fixing plate and springs, the springs are arranged on the left side and the right side of the upper end face of the spring fixing plate, the springs are symmetrically arranged on the lower end face and the upper end face of the spring fixing plate, and the spring fixing shell is connected with the spring fixing plate through the springs.

Preferably, the spring assembly is provided with four springs, and the rotor assembly is provided with two coils and two magnets.

Preferably, the spring fixing plate is provided with spring fixing grooves B corresponding to the number of the springs, the spring fixing plate is provided with grooves corresponding to the fixing pieces B, and holes for the rotor to penetrate through are further formed in the grooves.

Preferably, the spring fixing shell is provided with spring fixing grooves A corresponding to the number of the springs, and the end surfaces of the upper end and the lower end of the spring fixing shell are concave downwards and arc-shaped and act on the rotation range of the limited fixing piece B.

Preferably, mounting A and mounting B all are equipped with the stationary vane towards the one end of iron core, the stationary vane is used for the cover to establish the preceding, the back both sides of iron core.

Preferably, the lead passes through the joint of the left end and the right end of the spring fixing plate and the spring fixing shell, and the lead passes through a hole formed in the rear cover or is connected to the micromotor electric sheet.

Preferably, the spring is connected by welding or fixed by adhesive.

Preferably, the coil and the iron core are designed in a drawer mode.

Preferably, the outer diameter of the spring fixing shell is smaller than the inner diameter of the rear cover, and the inner sides of the spring fixing shell and the rear cover are designed in a sleeving and embedding manner.

Preferably, the other end of the fixing part A is provided with a sleeve head, the sleeve head is used for connecting a bearing, the other end of the fixing part B is provided with a clamping groove, and the clamping groove is used for connecting a spring fixing plate.

Has the advantages that: the spring is designed symmetrically, so that the durability of the spring is better; compact structure makes the spring atress even, has reduced the noise, excellent in use effect, and the spring is fixed through the draw-in groove and not welded and die, breaks down and also is convenient for replace parts, and the cost is with low costs, satisfies the market demand.

Drawings

FIG. 1: the utility model relates to a structural schematic diagram of a novel vibration micromotor;

FIG. 2: the utility model relates to a section schematic diagram of a novel vibration micromotor;

FIG. 3: the utility model relates to a local section schematic diagram of a novel vibration micromotor;

FIG. 4: the utility model relates to a spring component normal state schematic diagram of a novel vibration micromotor;

FIG. 5: the utility model relates to a working state diagram of a spring component of a novel vibration micromotor;

FIG. 6: the utility model relates to a structure schematic diagram of a fixing piece A and a fixing piece B of a novel vibration micromotor;

in the figure, 1-shell, 2-back cover, 3-rotor component, 4-spring component, 5-bearing, 6-magnet, 31-rotor, 32-iron core, 33-coil, 34-wire, 35-fixing piece A, 36-fixing piece B, 38-fixing wing, 41-spring fixing shell, 42-spring fixing plate, 43-spring, 351-sleeve head, 361-card slot, 411-spring fixing slot A, 421-spring fixing slot B, 422-groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for illustrative purposes only and do not represent the only embodiments, and as used herein, the terms "upper," "lower," "left," "right," "front," "rear," and the like are used in a positional relationship with reference to the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-3, a novel vibration micromotor comprises a housing 1, a rear cover 2, a bearing 5, two magnets 6, a rotor assembly 3 and a spring assembly 4, wherein the bearing 5 and the housing 1 are in a nested design, the bearing 5 is nested in the front end of the housing 1 and is bonded and fixed through viscose, the rear cover 2 and the housing 1 are in a nested design, the two magnets 6, the spring assembly 4 and the rotor assembly 3 are completely and hermetically fixed inside the housing 1 by the rear cover 2, the rotor assembly 3 is positioned at the front end of the spring assembly 4, one ends of the two magnets 6 are respectively positioned at the left end and the right end of the spring assembly 4, the other ends of the two magnets 6 are attached to the inner wall of the housing 1, and the rear cover 2 is positioned at the rear end of the spring assembly 4; the rotor assembly 3 comprises a rotor 31, an iron core 32, two coils 33, two leads 34, a fixing member A35 and a fixing member B36, wherein the iron core 32 and the coils 33 are designed in a drawer mode, the two coils 33 are respectively embedded into the left side and the right side of one end of the iron core 32, one ends of the two leads 34 are respectively connected with one ends of the two coils 33, the other ends of the two leads 34 penetrate through the junctions of the spring fixing plate 42 and the left end and the right end of the spring fixing shell 41 and penetrate out of holes formed in the rear cover 2, contact between the leads 34 and the spring assembly 4 is avoided, damage caused by winding of the leads 34 in the rotation process of the spring assembly 4 is prevented, holes for the rotor to penetrate through are formed in the middle parts of the fixing member A35 and the fixing member B36, the front end and the rear end of the rotor 31 respectively penetrate through the fixing member A35 and the fixing member B36, fixing members A35 and one end of the, At the rear two ends, the other end of the fixing piece a35 is provided with a sleeve head 351, the sleeve head 351 is used for connecting the bearing 5, the other end of the fixing piece B36 is provided with a clamping groove 361, and the clamping groove 361 is used for clamping the groove 422 of the spring fixing plate 42; the spring assembly 4 comprises a spring fixing shell 41, a spring fixing plate 42 and four springs 43, wherein spring fixing grooves B421 are respectively arranged on the left side and the right side of the upper end face of the spring fixing plate 42, spring fixing grooves B421 are symmetrically arranged on the lower end face and the upper end face of the spring fixing plate, the spring fixing plate 42 is also provided with a groove 422 corresponding to a fixing piece B36, a hole for accommodating the rotor 31 to pass through is further formed in the middle of the groove 422, the end faces of the upper end and the lower end of the spring fixing shell 41 are concave and arc-shaped and act on the limited rotating moving range of the fixing piece B36, the spring fixing shell 41 is further provided with a spring fixing groove A411 corresponding to the spring fixing groove B421, one ends of the four springs 43 are installed in the spring fixing groove B; the external diameter of the spring fixing shell 41 is smaller than the internal diameter of the rear cover 2, the spring fixing shell 41 and the inner side of the rear cover 2 are designed in a sleeving and embedding manner, the spring fixing shell 41 is embedded into the rear cover 2, the front end of the rotor 31 penetrates out of the shell 1 and penetrates through the bearing 5 until the sleeve head is contacted with the bearing and is bonded through viscose, the rear end of the rotor 31 penetrates through a hole in the middle of the spring fixing plate 42 and abuts against the inside of a central hollow groove of the rear cover 2, at the moment, clamping is completed between the groove 422 in the fixing piece B36 and the clamping groove 361 in the spring 43 mounting plate, the rear end of the shell 1 is extruded through an instrument, the rear cover 2 is fixed on the shell, and assembly is completed.

When the electric motor is used, the wire 34 is used as an electric conductor to electrify the coil 33 (pulse signal), a magnetic field is generated around the coil due to the electromagnetic induction principle, the iron core 32 rotates leftwards or rightwards under the interaction of the magnet and the magnetic field around the coil, the rotor 31 is driven to rotate together in the rotation process of the iron core 32, the friction force is reduced through the bearing 5 in the rotation process of the rotor 31, the service life of the rotor 31 is prolonged, the rear end of the rotor 31 drives the spring fixing plate 42 through the fixing piece B36, one side of the spring 43 at the upper end of the spring fixing plate 42 is in a stretching state, the other side of the spring fixing plate is in a compressing state, the state of the spring 43 at the lower end is opposite to the state of the spring 43 at the upper end, the state of the spring 43 at the left side is opposite to the state of the spring 43, the rotor 31 is returned to the initial position by the fixing member B36, and the motor is vibrated by the back and forth rotation of the motor through the continuous power on and off.

4-5, in this particular embodiment, the spring assembly is at rest with the spring in a semi-compressed equilibrium state; when the rotor rotates, the spring is pressurized through the spring fixing plate B, one side of the spring at the upper end is in a compression state, the other side of the spring at the upper end is in a stretching state, the states of two sides of the lower end are opposite to the states of two sides of the upper end, one side of the spring is in the stretching state, the other side of the spring is in the compression state, the rotor stops moving, the spring in the compression state forms a reaction force through the characteristics of the spring, the spring in the stretching state forms a pulling force, the spring restores the spring fixing plate to the initial position.

As shown in fig. 6, in the present embodiment, the fixing element a35 and the fixing element B36 have fixing wings 38 at left and right sides thereof near one end of the iron core 32 for being respectively clamped at the front and rear ends of the iron core 32, the other end of the fixing element a35 has a sleeve head 351 for being connected to the bearing 5, and the other end of the fixing element B36 has a slot 361 for being connected to the spring fixing plate 42.

Example two:

on the basis of the first embodiment, the connection mode of the shell 1 and the rear cover 2 can be changed into bolt fixation or spring hook fixation, so that the maintenance of the micro-motor is facilitated, the connection mode between the fixing piece B36 and the spring fixing plate 42 can be changed into fixed connection, and the problem that the connection slip cannot be reset through the spring rotor due to the fact that the clamping groove 361 of the fixing piece B3 and the groove 422 of the spring fixing plate 42 are rubbed with each other due to frequent rotation is avoided; the width of the spring 43 can be increased, the spring fixing groove A411 and the spring fixing groove B421 are also increased to correspond to the width of the spring 43, the spring 43 does not need to be fixed and directly sleeved into the spring fixing groove A411 and the spring fixing groove B421, and due to the fact that the stress area is large, the spring 43 does not need to be misplaced, the spring cannot be broken due to large-amplitude distortion caused by the fact that the spring is fixed, the durability of the spring 43 is improved, the limiting positions are additionally arranged at the left end and the right end of the spring fixing plate 42, the spring 43 can only rotate within the wrapping range of the spring fixing shell 41, and the misplacement caused by protruding towards the front end and the; the bearing 5 and the sleeve head 351 can be detachably connected, and even if individual parts in the motor are damaged, the relevant parts can be replaced for recycling, so that the utilization rate of the motor is highest; the other end of the wire 34 can be configured to be connected to the microelectronic die outside the housing, which widens its application.

The utility model discloses a vibrating motor simple structure, reasonable in design, cost are low and production efficiency is high, and the durability and the compatibility of this motor are strong, can assemble into new product with corresponding equipment product according to application requirement, satisfy the market demand.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel vibration micromotor is characterized by comprising a shell, a rear cover, a bearing, a magnet, a rotor assembly and a spring assembly, wherein one end of the shell is connected with the bearing, the bearing and the shell are in a nested design, the other end of the shell is connected with the rear cover, the rear cover and the shell are in the nested design, the magnet, the spring assembly and the rotor assembly are fixed inside the shell by the rear cover, the rotor assembly is located at the front end inside the shell, the spring assembly is located at the rear end inside the shell, the magnet is located outside the rotor assembly, the front end of the rotor assembly penetrates through the shell and the bearing respectively, and the rear end of the rotor assembly penetrates through the spring assembly and abuts against the central empty groove of the rear cover respectively; the rotor assembly comprises a rotor, an iron core, a coil, a wire, a fixing piece A and a fixing piece B, the iron core is sleeved outside the rotor, the left end and the right end of the iron core are connected with the coil, one end of the coil is connected with the wire, the other end of the wire penetrates through the spring assembly and penetrates out of the rear cover, the front end and the rear end of the rotor respectively penetrate through the fixing piece A and the fixing piece B, the fixing piece A is located at the front end inside the shell, and the fixing piece B is located at the front end of the spring assembly; the spring assembly comprises a spring fixing shell, a spring fixing plate and springs, the springs are arranged on the left side and the right side of the upper end face of the spring fixing plate, the springs are symmetrically arranged on the lower end face and the upper end face of the spring fixing plate, and the spring fixing shell is connected with the spring fixing plate through the springs.

2. The novel vibrating micromotor according to claim 1, wherein said spring assembly is provided with four springs and said rotor assembly is provided with two coils and two magnets.

3. The novel vibration micromotor as claimed in claim 1, wherein the spring fixing plate is provided with spring fixing grooves B corresponding to the number of springs, the spring fixing plate is provided with grooves corresponding to the fixing pieces B, and the grooves are further provided with holes for the rotor to pass through.

4. The novel vibration micromotor according to claim 1, wherein the spring fixing shell is provided with spring fixing grooves A corresponding to the number of springs, and the end surfaces of the upper end and the lower end of the spring fixing shell are concave and arc-shaped and act on the limiting fixing piece B in a rotation moving range.

5. The novel vibrating micromotor according to claim 1, wherein the fixing members a and B are provided with fixing wings at ends thereof facing the core, and the fixing wings are used for sleeving the front and rear sides of the core.

6. The novel vibrating micromotor according to claim 1, wherein the lead passes through the junction of the spring fixing plate and the left end and the right end of the spring fixing shell, and the lead passes through a hole formed in the rear cover or is connected to the micromotor blade.

7. The novel vibrating micromotor according to claim 1, wherein said spring is connected by welding or fixed by gluing.

8. The novel vibrating micromotor according to claim 1, wherein said coil and core are of drawer design.

9. The novel vibrating micromotor according to claim 4, wherein the outer diameter of the spring fixing shell is smaller than the inner diameter of the rear cover, and the inner sides of the spring fixing shell and the rear cover are of a nested design.

10. The novel vibration micromotor according to claim 5, wherein a sleeve head is arranged at the other end of the fixing member A and used for connecting a bearing, and a clamping groove is arranged at the other end of the fixing member B and used for connecting a spring fixing plate.