阅读说明：本技术 往复式磁定位电机 (Reciprocating magnetic positioning motor ) 是由 张炯 张家驹 于 2020-12-21 设计创作，主要内容包括：本发明提供的往复式磁定位电机,包括导磁顶盖、导磁底壳、定子线圈、永磁动芯及胶体衬套,导磁顶盖边缘扣合导磁底壳形成安装腔,安装腔内设有定子线圈,导磁底壳的底部及导磁顶盖的顶部分别于对应定子线圈的中轴线处开设有第一、第二通孔,胶体衬套的两端分别插装在导磁底壳底部及导磁顶盖顶部的第一、第二通孔内,永磁动芯滑动设置于胶体衬套内并连接有滑动伸出胶体衬套顶端的推杆,导磁底壳的底部于第二通孔的边缘朝安装腔内环绕胶体衬套的外壁设有用于使永磁动芯滑动复位的复位导磁环套,复位导磁环套的顶面与导磁顶盖的底面之间形成环状缺口。本发明提供了结构简单紧凑、可靠性强并且控制简单方便的往复式磁定位电机。(The invention provides a reciprocating type magnetic positioning motor which comprises a magnetic conduction top cover, a magnetic conduction bottom shell, stator coils, a permanent magnetic core and a colloid bushing, wherein the edge of the magnetic conduction top cover is buckled with the magnetic conduction bottom shell to form an installation cavity, the stator coils are arranged in the installation cavity, the bottom of the magnetic conduction bottom shell and the top of the magnetic conduction top cover are respectively provided with a first through hole and a second through hole corresponding to the central axis of the stator coils, two ends of the colloid bushing are respectively inserted into the first through hole and the second through hole at the bottom of the magnetic conduction bottom shell and the top of the magnetic conduction top cover, the permanent magnetic core is arranged in the colloid bushing in a sliding mode and is connected with a push rod which extends out of the top end of the colloid bushing in a sliding mode, a reset magnetic conduction ring sleeve for enabling the permanent magnetic core to reset in a sliding mode is arranged at the. The reciprocating magnetic positioning motor provided by the invention has the advantages of simple and compact structure, strong reliability and simple and convenient control.)

1. Reciprocating type magnetism positioning motor, including magnetic conduction top cap (100), magnetic conduction drain pan (200), stator coil (300), permanent magnetism movable core (400) and colloid bush (600), its characterized in that: the edge of the magnetic conduction top cover (100) is buckled with the magnetic conduction bottom shell (200) to form an installation cavity, a stator coil (300) is arranged in the installation cavity, the bottom of the magnetic conduction bottom shell (200) and the top of the magnetic conduction top cover (100) are respectively provided with a first through hole and a second through hole (120 and 220) corresponding to the central axis of the stator coil (300), two ends of the colloid lining (600) are respectively inserted into the first through hole and the second through hole (120 and 220) at the bottom of the magnetic conduction bottom shell (200) and the top of the magnetic conduction top cover (100), the permanent magnetic core (400) is slidably arranged in the colloid lining (600) and is connected with a push rod (500) which slidably extends out of the top end of the colloid lining (600), a reset magnetic conduction ring sleeve (210) for enabling the permanent magnetic core (400) to slidably reset is arranged at the edge of the second through hole (220) and around the outer wall of the colloid lining, an annular gap is formed between the top surface of the reset magnetic conduction ring sleeve (210) and the bottom surface of the magnetic conduction top cover (100).

2. The reciprocating magnetic positioning motor of claim 1, wherein: the permanent magnetic core (400) is an axially magnetized magnetic ring with the upper part of the magnetizing direction being an N pole, the lower part being an S pole or the upper part being an S pole and the lower part being an N pole, and the bottom of the push rod (500) is tightly inserted in the magnetic ring.

3. The reciprocating magnetic positioning motor of claim 1, wherein: the permanent magnetic core (400) is a radial magnetizing magnetic ring with the magnetizing direction of which the outer surface is an N pole, the inner surface is an S pole or the outer surface is an S pole and the inner surface is an N pole, and the bottom of the push rod (500) is tightly inserted in the magnetic ring.

4. The reciprocating magnetic positioning motor of claim 2 or 3, wherein: the top of colloid bush (600) is equipped with direction restriction ring (610) that the internal diameter is less than permanent magnetism moving core (400) external diameter towards the inner ring, permanent magnetism moving core (400) slide through push rod (500) sliding fit direction restriction ring (610) and set up in colloid bush (600) and promote push rod (500) to slide and stretch out outside direction restriction ring (610).

5. The reciprocating magnetic positioning motor of claim 1, wherein: the top of colloid bush (600) extends all around to colloid bush (600) has dust ring (620), the top surface of laminating magnetic conduction top cap (100) is covered to the bottom of dust ring (620).

6. The reciprocating magnetic positioning motor of claim 5, wherein: the position that the magnetic conduction top cap (100) corresponds stator coil (300) is seted up wire guide (110) that are used for laying stator coil (300) wire, the position that dust ring (620) corresponds wire guide (110) is seted up and is dodged mouth (621).

7. The reciprocating magnetic positioning motor of claim 6, wherein: the wire guide structure is characterized by further comprising a wear-resistant wire sleeve (700), the bottom of the wear-resistant wire sleeve (700) is connected with the wire guide hole (110) in an inserted mode, the top of the wear-resistant wire sleeve (700) is convexly provided with a placing step (710) towards the periphery, and the bottom surface of the placing step (710) is abutted and attached to the top surface of the magnetic top cover (100).

8. The reciprocating magnetic positioning motor of claim 7, wherein: the dustproof ring (620) is provided with limiting bosses (622) which are used for clamping and abutting the wear-resistant wire sleeve (700) in the inward direction of the avoiding opening (621) at two sides of the top of the avoiding opening (621), and the limiting bosses (622) are located above the steps (710) for placing the wear-resistant wire sleeve (700).

Technical Field

The invention relates to the technical field of motors, in particular to a reciprocating type magnetic positioning motor.

Background

The massage action part of the massage equipment is mainly driven by the reciprocating motion converted from a crank connecting rod mechanism driven by a rotary motor or directly driven by a reciprocating mover of a reciprocating motor in a reciprocating way, the adopted linear reciprocating motor usually generates an alternating magnetic field by matching a plurality of groups of stator windings with diodes to drive the reciprocating mover to frequently commutate so as to realize the linear reciprocating motion, or a single group of windings are matched with a reset spring, a reset magnet and the like to drive the reciprocating mover to frequently commutate so as to realize the linear reciprocating motion.

When the massage device is applied to multi-point massage equipment which is in large-area contact with a human body and focuses on touch feeling, the mechanical connection structure driven by the rotary motor enables the intermediate energy conversion and transmission links to be more, the loss to be large and the efficiency to be low, and in order to consider the cost, the rotary motor is mostly a brush motor, so that the motor is seriously abraded due to continuous use, the service life is reduced, and meanwhile, the volume is larger; the circuit of the linear reciprocating motor with the multiple groups of stator windings matched with the diodes needs to be provided with an additional driving control circuit, the production circuit cost is higher, and the linear reciprocating motor with the single group of windings matched with the reset spring and the reset magnet has the same volume and is larger due to the structural problem. The motors realized by the structures are limited by the volume, the circuit design and the efficiency conversion of the motors, and cannot be densely laid on a multi-point massage device in a large area, so the existing reciprocating motion output motor still has an improvement space.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the reciprocating type magnetic positioning motor which has simple and compact structure, strong reliability and simple and convenient control.

The present invention thus achieves the above objects:

the reciprocating magnetic positioning motor comprises a magnetic top cover, a magnetic bottom shell, a stator coil, a permanent magnetic core, a reset magnetic ring sleeve and a colloid bushing, the edge of the magnetic conduction top cover is buckled with the magnetic conduction bottom shell to form a mounting cavity, a stator coil is arranged in the mounting cavity, the bottom of the magnetic conduction bottom shell and the top of the magnetic conduction top cover are respectively provided with a first through hole and a second through hole at the positions corresponding to the central axes of the stator coils, the two ends of the colloid lining are respectively inserted into the first through hole and the second through hole at the bottom of the magnetic conduction bottom shell and the top of the magnetic conduction top cover, the permanent magnetic moving core is arranged in the colloid lining sleeve in a sliding way and is connected with a push rod which extends out of the top end of the colloid lining sleeve in a sliding way, and the bottom of the magnetic conduction bottom shell is provided with a reset magnetic conduction ring sleeve for enabling the permanent magnetic moving core to slide and reset towards the outer wall of the mounting cavity surrounding the colloid lining at the edge of the second through hole, and an annular gap is formed between the top surface of the reset magnetic conduction ring sleeve and the bottom surface of the magnetic conduction top cover.

The permanent magnetic moving core is an axially magnetized magnetic ring with the upper part of the magnetizing direction being an N pole and the lower part being an S pole or the upper part being an S pole and the lower part being an N pole, and the bottom of the push rod is tightly inserted in the magnetic ring.

The permanent magnetic moving core is a radial magnetizing magnetic ring with the magnetizing direction of an N pole outside and an S pole inside or an S pole outside and an N pole inside, and the bottom of the push rod is tightly inserted in the magnetic ring.

The top end of the colloid lining is provided with a guide limiting ring with the inner diameter smaller than the outer diameter of the permanent magnet moving core towards the inner ring, and the permanent magnet moving core is arranged in the colloid lining in a sliding mode through the sliding fit of the push rod and the guide limiting ring and pushes the push rod to slide and extend out of the guide limiting ring.

The top of colloid bush has the dust collar to colloid bush extension all around, the top surface of laminating magnetic conduction top cap is covered to the bottom of dust collar.

The position of the magnetic top cover corresponding to the stator coil is provided with a wire hole for laying a stator coil wire, and the position of the dustproof ring corresponding to the wire hole is provided with an avoiding opening.

The wire guide structure is characterized by further comprising a wear-resistant wire sleeve, the bottom of the wear-resistant wire sleeve is connected with the wire guide hole in an inserted mode, the top of the wear-resistant wire sleeve is convexly provided with shelving steps towards the periphery, and the bottom face of each shelving step is abutted against the top face of the corresponding magnetic conduction top cover in a fit mode.

The dustproof ring is provided with limiting bosses for clamping and abutting the wear-resistant wire sleeve towards the avoidance opening respectively at two sides of the top of the avoidance opening, and the limiting bosses are located above the steps for placing the wear-resistant wire sleeve.

The invention has the beneficial effects that: the invention provides a reciprocating magnetic positioning motor, wherein a colloid lining is inserted into a magnetic top cover and a magnetic bottom shell, a first through hole and a second through hole which correspond to the central axis of a stator coil are used for enabling the axis of the colloid lining to be coaxial with the central axis of the stator coil, so that the friction resistance is reduced when a permanent magnetic core slides in the colloid lining in a reciprocating manner, the abrasion is reduced, because the colloid lining is a non-magnetic material, the bottom of the magnetic bottom shell is provided with a reset magnetic conduction ring sleeve which is arranged in the installation cavity and surrounds the outer wall of the colloid lining at the edge of the second through hole, when the motor is not electrified, the permanent magnetic core attracts the reset magnetic conduction ring sleeve to fall back to the bottom in the colloid lining through the self magnetic force, and simultaneously drives a push rod to reset and fall back, when the motor is electrified, an annular gap is formed between the top surface of the reset magnetic conduction ring sleeve, make the permanent magnetism move the core and overcome self and the magnetic attraction that resets between the magnetic conduction ring cover under the combined action of self magnetic force and stator coil magnetic force and slide to magnetic conduction top cap direction, promote the push rod simultaneously and slide outward to the colloid bush, the design of magnetic conduction ring cover and the permanent magnetism move the core and replaced reciprocating motor driven among the prior art reset winding, reset spring and reset magnet, the part structure of this motor has been retrencied, make this motor simple structure compact, only need just can control the reciprocating motion of this motor permanent magnetism move the core through simple break-make electricity simultaneously, the reliability reinforcing and control is simple and convenient, need not extra design control circuit, can lay the use on massage equipment densely.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic exploded view of the present invention.

In the above figure, 100 is a magnetic top cover, 110 is a wire guide hole, 120 is a first through hole, 200 is a magnetic bottom shell, 210 is a reset magnetic ring sleeve, 220 is a second through hole, 300 is a stator coil, 400 is a permanent magnetic core, 500 is a push rod, 600 is a colloid bushing, 610 is a guide limiting ring, 620 is a dustproof ring, 621 is an avoidance opening, 622 is a limiting boss, 700 is a wear-resistant wire sleeve, and 710 is a step for placing.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the reciprocating magnetic positioning motor includes a magnetic top cover 100, a magnetic bottom case 200, a stator coil 300, a permanent magnetic core 400 and a colloid bushing 600, wherein the edge of the magnetic top cover 100 is fastened to the magnetic bottom case 200 to form an installation cavity, the stator coil 300 is disposed in the installation cavity, the bottom of the magnetic bottom case 200 and the top of the magnetic top cover 100 are respectively opened with a first through hole 120 and a second through hole 220 corresponding to the central axis of the stator coil 300, two ends of the colloid bushing 600 are respectively inserted into the first through hole 120 and the second through hole 220 at the bottom of the magnetic bottom case 200 and the top of the magnetic top cover 100, the permanent magnetic core 400 is slidably disposed in the colloid bushing 600 and connected to a push rod 500 slidably extending out of the top end of the colloid bushing 600, a reset magnetic ring sleeve 210 for slidably resetting the permanent magnetic core 400 is disposed around the outer wall of the colloid bushing 600 in the, an annular gap is formed between the top surface of the reset magnetic conductive ring sleeve 210 and the bottom surface of the magnetic conductive top cover 100. The reciprocating magnetic positioning motor provided by the invention has the advantages that the colloid bushing 600 is inserted into the first and second through holes 120 and 220 of the magnetic top cover 100 and the magnetic bottom case 200 corresponding to the central axis of the stator coil 300, so that the axial center of the colloid bushing 600 is coaxial with the central axis of the stator coil 300, the friction resistance of the permanent magnetic core 400 is reduced when the permanent magnetic core reciprocates and slides in the colloid bushing 600, the abrasion is reduced, because the colloid bushing 600 is a non-magnetic material, the bottom of the magnetic bottom case 200 is provided with the reset magnetic conduction ring sleeve 210 surrounding the outer wall of the colloid bushing 600 in the installation cavity at the edge of the second through hole 220, when the motor is not electrified, the permanent magnetic core 400 falls back to the bottom of the colloid bushing 600 through the magnetic force of the permanent magnetic core 400 per se and drives the push rod 500 to fall back, when the motor is electrified, because an annular gap is formed between the top surface of the reset magnetic conduction ring sleeve 210 and the bottom surface of the magnetic top cover 100, the magnetic force generated by, the permanent magnetic core 400 overcomes the magnetic attraction between the permanent magnetic core 400 and the reset magnetic conduction ring sleeve 210 to slide towards the magnetic conduction top cover 100 under the combined action of the magnetic force of the permanent magnetic core and the magnetic force of the stator coil 300, and simultaneously pushes the push rod 500 to slide towards the outside of the colloid bushing 600, and during production, the size of the annular gap can be controlled by changing the height of the reset magnetic conduction ring sleeve 210, so as to change the magnetic positioning height of the permanent magnetic core 400 after sliding towards the magnetic conduction top cover 100, the design of the reset magnetic conduction ring sleeve 210 and the permanent magnetic core 400 replaces a reset winding, a reset spring and a reset magnet which are used for driving the permanent magnetic core 400 to slide by a reciprocating motor in the prior art, the component structure of the motor is simplified, the structure of the motor is simple and compact, meanwhile, the reciprocating motion of the permanent magnetic core 400 of the motor can be controlled only by simple on-off electricity, the reliability is enhanced, can be densely paved on the massage equipment for use.

In order to ensure the magnetic strength of the permanent magnet core 400 and facilitate the control of the sliding stroke of the permanent magnet core 400, the permanent magnet core 400 is an axially magnetized magnetic ring with an upper N pole, a lower S pole or an upper S pole and a lower N pole in the magnetizing direction, and the bottom of the push rod 500 is tightly inserted into the magnetic ring.

In order to ensure the magnetic strength of the permanent magnet core 400 and enhance the strength of the reciprocating motion of the permanent magnet core 400, the permanent magnet core 400 may also be a radially magnetized magnetic ring with a magnetizing direction having an N pole outside, an S pole inside, or an S pole outside and an N pole inside, and the bottom of the push rod 500 is tightly inserted into the magnetic ring.

In order to avoid the overshoot phenomenon when the permanent magnet core 400 overshoots and slides and drives the push rod 500 to push outwards when the motor is powered on and works, the top end of the colloid bushing 600 is provided with a guide limiting ring 610 with an inner diameter smaller than the outer diameter of the permanent magnet core 400 in an inward ring manner, and the permanent magnet core 400 is arranged in the colloid bushing 600 in a sliding manner through the sliding fit of the push rod 500 and the guide limiting ring 610 and pushes the push rod 500 to slide and extend out of the guide limiting ring 610.

In order to increase the dustproof performance of this motor, the top of colloid bush 600 extends all around to colloid bush 600 has dust ring 620, and the bottom of dust ring 620 covers the top surface of laminating magnetic conduction top cap 100, prevents effectively that external dust from falling into the performance of this motor in this motor from the gap between colloid bush 600 and the magnetic conduction top cap 100 through-hole and causing the influence, promotes the life of motor.

In order to facilitate arrangement of the wiring lines during intensive layout of the motor, the position of the magnetic conduction top cover 100 corresponding to the stator coil 300 is provided with a wire hole 110 for wiring the wire of the stator coil 300, the position of the dustproof ring 620 corresponding to the wire hole 110 is provided with an avoiding opening 621, during assembly, the stator coil 300 is placed into the magnetic conduction bottom shell 200, when the magnetic conduction top cover 100 is buckled, the wire led out from the stator coil 300 is aligned to the wire hole 110 of the magnetic conduction top cover 100 and led out from the wire hole 110 of the magnetic conduction top cover 100, and the assembly of the wire hole 110 led out from the side part of the magnetic conduction bottom shell 200 is quicker and.

When the motor operates, can produce vibrations, the vibrations of motor can make and produce the friction and then lead to the impaired motor trouble of wire between wire guide 110 and the wire, in order to avoid above-mentioned condition to appear, this motor still is equipped with wear-resisting line cover 700, wire guide 110 is connected to wear-resisting line cover 700's bottom cartridge, step 710 is shelved to protruding being equipped with all around in wear-resisting line cover 700's top, the top surface of shelving step 710's bottom surface butt laminating magnetic conduction top cap 100, it avoids wear-resisting line cover 700 to fall into in the motor along with the vibrations landing of motor to shelve step 710, still prevent external dust from falling into in the motor from wire guide 110 and cause the influence to the performance of.

Simultaneously in order to prevent that the vibrations that the motor produced from resulting in wear-resisting wire cover 700 to fall outside the motor, the dust collar 620 is equipped with the spacing boss 622 that is used for chucking butt wear-resisting wire cover 700 towards dodging mouthful 621 protruding respectively in dodging the both sides at the top of mouth 621, and spacing boss 622 is located wear-resisting wire cover 700 and shelves the top of step 710.

The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.