阅读说明：本技术 一种便于组装的直线电机 (Linear motor convenient to equipment ) 是由 周建兵 张贝妮 于 2020-05-27 设计创作，主要内容包括：本发明涉及电机技术领域,公开了一种便于组装的直线电机,包括：电机座,用于装配外部电子盲文凸珠控制器；电机定子组件,具有四个,安装固定于电机座上,用于产生磁场；电机动子组件,具有四个,用于实现电机的直线驱动；FPC部件,设置于电机座的外侧,用于独立控制电机定子组件；上盖板,设置于电机座的一端,用于限定直线电机移动量及对电机动子组件进行定位。通过FPC部件对电机定子组件进行独立控制,使电机定子组件产生磁场,驱动电机动子组件在电机座上做直线运动,上盖板起限位作用,对直线电机的移动量进行限制,进而方便独立驱动外部电子盲文凸珠控制器的凸珠进行上升或下降；本发明公开的直线电机便于组装,且方便控制盲文凸珠的移动。(The invention relates to the technical field of motors, and discloses a linear motor convenient to assemble, which comprises: the motor base is used for assembling an external electronic Braille convex bead controller; the motor stator assemblies are provided with four, are installed and fixed on the motor base and are used for generating a magnetic field; the four motor rotor assemblies are used for realizing linear driving of the motors; the FPC component is arranged on the outer side of the motor base and is used for independently controlling the motor stator assembly; and the upper cover plate is arranged at one end of the motor base and used for limiting the movement amount of the linear motor and positioning the motor rotor assembly. The motor stator component is independently controlled through the FPC component, so that a magnetic field is generated by the motor stator component, the motor rotor component is driven to do linear motion on the motor base, the upper cover plate plays a limiting role, the moving amount of the linear motor is limited, and the convex beads of the external electronic Braille convex bead controller can be conveniently and independently driven to ascend or descend; the linear motor disclosed by the invention is convenient to assemble and control the movement of the braille convex beads.)

1. A linear motor convenient to assemble, comprising:

the motor base (1) is used for assembling an external electronic Braille convex bead controller, a through hole (11), a blind hole (12) located on one side of the through hole (11) and a circular counter bore (13) located at one end of the through hole (11) are formed in the motor base (1), the circular counter bore (13) is concentric with the through hole (11), and the aperture of the circular counter bore (13) is larger than that of the through hole (11);

the four motor stator assemblies (2) are arranged and fixed on the motor base (1) and used for generating a magnetic field;

the four motor rotor assemblies (3) are arranged in the motor base (1) and used for realizing linear driving of the motor and driving the convex beads of the external electronic Braille convex bead controller to ascend or descend;

the FPC component (4) is arranged on the outer side of the motor base (1) and is used for independently controlling the motor stator component (2) so as to enable the motor rotor component (3) to independently perform linear motion;

the upper cover plate (5) is arranged at one end of the motor base (1), is fixedly connected with the motor base (1), and is used for limiting the movement amount of the linear motor and positioning the motor rotor assembly (3).

2. An easy-to-assemble linear electric motor according to claim 1, characterized in that the motor stator assembly (2) comprises:

the stator core (21) is arranged in the motor base (1) and is detachably connected with the motor base (1);

the excitation coil (22) is sleeved on the outer side of the stator core (21) and used for generating a magnetic field and magnetizing the stator core (21);

the stator iron frame (23) is fixedly inserted with the motor base (1) and used for increasing the magnetic field efficiency; iron frame notches for facilitating the extension of the lead of the exciting coil (22) are symmetrically arranged on the stator iron frame (23);

wherein one end of the stator core (21) is fixed to the stator iron frame (23).

3. The linear motor easy to assemble according to claim 2, wherein the stator iron frame (23) is L-shaped, the bottom surface of the stator iron frame (23) is semi-arc-shaped, and the side surface of the stator iron frame (23) is flat.

4. The linear motor easy to assemble according to claim 2, wherein a center hole (231) is formed at one end of the stator iron frame (23), and a circular truncated cone (211) fixedly matched with the center hole (231) is formed at one end of the stator iron core (21) close to the stator iron frame (23).

5. The linear motor convenient to assemble according to claim 2, wherein the stator iron frame (23) is provided with an insert block (232) which is in inserted fit with the blind hole (12) so as to accurately position the motor stator assembly (2) on the motor base (1).

6. The easy-to-assemble linear motor according to claim 1, wherein the motor mover assembly (3) comprises:

the magnetic conduction piece (31) is arranged in the motor base (1) and used for pushing a convex rod structure of an external electronic Braille convex bead controller to enable an external convex bead to ascend or descend;

the permanent magnet (32) is arranged in a circular ring shape, is sleeved on the outer side of the magnetic conduction piece (31), and is used for receiving the magnetic force of the motor stator assembly (2) and driving the magnetic conduction piece (31) to do linear motion on the motor base (1);

and the spring (33) is sleeved on the outer side of the magnetic conduction piece (31), one end of the spring is abutted against one end face of the permanent magnet (32), and the other end of the spring is abutted against the inner wall of the bottom of the round counter bore (13).

7. The linear motor convenient to assemble according to claim 6, wherein the magnetic conducting member (31) comprises a large cylinder (311), a small cylinder (312) concentrically arranged with the large cylinder (311) is arranged at one end face of the large cylinder (311), and one end face of the permanent magnet (32) is attached to one end face of the large cylinder (311) connected with the small cylinder (312).

8. The linear motor easy to assemble according to claim 7, wherein the outer diameter of the outer circle of the permanent magnet (32) is larger than that of the large cylinder (311).

9. The linear motor convenient to assemble according to any one of claims 1 to 8, wherein one end of the motor base (1) is provided with a large fixing column (14) and a small fixing column (15), the upper cover plate (5) is provided with a large round hole (51) fixedly matched with the large fixing column (14), and the upper cover plate (5) is provided with a small round hole (52) fixedly matched with the small fixing column (15).

10. The easy-to-assemble linear motor according to any one of claims 1-8, wherein the upper cover plate (5) is provided with a large circular through hole (53) for facilitating the passage of one end of the motor mover assembly (3).

Technical Field

The invention relates to the technical field of motors, in particular to a linear motor convenient to assemble.

Background

A linear motor is a transmission device that directly converts electric energy into mechanical energy for linear motion without any intermediate conversion mechanism. Linear motors are also known as linear motors, push rod motors. The most common types of linear motors are flat plate, U-slot and tubular.

Disclosure of Invention

The invention aims to provide a linear motor convenient to assemble so as to conveniently control braille convex beads.

To this end, according to a first aspect, an embodiment of the present invention discloses a linear motor convenient to assemble, including: the motor base is used for assembling an external electronic Braille convex bead controller, a through hole, a blind hole and a round counter bore are arranged on the motor base, the blind hole is positioned on one side of the through hole, the round counter bore is positioned at one end of the through hole, the round counter bore is concentric with the through hole, and the aperture of the round counter bore is larger than that of the through hole; the motor stator assemblies are provided with four, are arranged and fixed on the motor base and are used for generating a magnetic field; the four motor rotor assemblies are arranged in the motor base and used for realizing linear driving of the motor and driving the convex beads of the external electronic Braille convex bead controller to ascend or descend; the FPC component is arranged on the outer side of the motor base and is used for independently controlling the motor stator component so as to enable the motor rotor component to independently perform linear motion; and the upper cover plate is arranged at one end of the motor base, is fixedly connected with the motor base and is used for limiting the movement amount of the linear motor and positioning the motor rotor assembly.

Optionally, the electric machine stator assembly comprises: the stator core is arranged in the motor base and is detachably connected with the motor base; the exciting coil is sleeved on the outer side of the stator core and used for generating a magnetic field and magnetizing the stator core; the stator iron frame is fixedly spliced with the motor base and used for increasing the magnetic field efficiency; iron frame gaps for facilitating the extension of lead wires of the exciting coils are symmetrically arranged on the stator iron frame; one end of the stator iron core is fixed to the stator iron frame.

Optionally, the stator iron frame is L-shaped, the bottom surface of the stator iron frame is semi-arc-shaped, and the side surface of the stator iron frame is flat.

Optionally, one end of the stator iron frame is provided with a center hole, and one end of the stator iron core, which is close to the stator iron frame, is provided with a circular truncated cone fixedly matched with the center hole.

Optionally, the stator iron frame is provided with an insert block in insertion fit with the blind hole, so that the motor stator assembly is accurately positioned on the motor base.

Optionally, the motor mover assembly comprises: the magnetic conduction piece is arranged in the motor base and used for pushing a convex rod structure of the external electronic Braille convex bead controller to enable the external convex bead to ascend or descend; the permanent magnet is arranged in a circular ring shape, is sleeved on the outer side of the magnetic conduction piece and is used for receiving the magnetic force of the motor stator assembly and driving the magnetic conduction piece to do linear motion on the motor base; and the spring is sleeved outside the magnetic conduction piece, one end of the spring is abutted against one end face of the permanent magnet, and the other end of the spring is abutted against the inner wall of the bottom of the round counter bore.

Optionally, the magnetic conduction piece includes big cylinder, the one end terminal surface of big cylinder be equipped with the concentric small circle cylinder that sets up of big cylinder, the one end terminal surface of permanent magnet with big cylinder is connected the one end terminal surface laminating of small circle cylinder.

Optionally, the outer diameter of the outer circle of the permanent magnet is larger than that of the outer circle of the large cylinder.

Optionally, one end of the motor base is provided with a large fixing column and a small fixing column, the upper cover plate is provided with a large round hole fixedly matched with the large fixing column, and the upper cover plate is provided with a small round hole fixedly matched with the small fixing column.

Optionally, a large circular through hole for facilitating one end of the motor rotor assembly to pass through is formed in the upper cover plate.

The invention has the following beneficial effects: the motor stator component is independently controlled through the FPC component, so that a magnetic field is generated by the motor stator component, the motor rotor component is driven to do linear motion on the motor base, the upper cover plate plays a limiting role, the moving amount of the linear motor is limited, and the convex beads of the external electronic Braille convex bead controller can be conveniently and independently driven to ascend or descend; the linear motor disclosed by the invention is convenient to assemble and control the movement of the braille convex beads.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a linear motor easy to assemble according to the present embodiment;

fig. 2 is a bottom schematic view of a motor base of a linear motor easy to assemble according to the embodiment;

FIG. 3 is a top schematic view of a motor mount of a linear motor for ease of assembly as disclosed in this embodiment;

fig. 4 is an exploded view of a stator assembly of a linear motor for easy assembly according to the present embodiment;

fig. 5 is a schematic perspective view illustrating a stator assembly of a linear motor, which is easy to assemble according to the embodiment;

fig. 6 is a schematic diagram of a partial explosion structure of a motor mover assembly of a linear motor convenient to assemble according to the embodiment;

fig. 7 is a schematic structural diagram of an upper cover plate of a linear motor convenient to assemble according to the embodiment;

fig. 8 is a schematic structural diagram of a motor mover assembly of a linear motor convenient to assemble in the first stop position according to the present embodiment;

fig. 9 is a schematic structural diagram of a motor mover assembly of a linear motor convenient to assemble in the second stop position according to the present embodiment.

Reference numerals: 1. a motor base; 11. a through hole; 12. blind holes; 13. a round counter bore; 14. a large fixed column; 15. a small fixed column; 16. mounting holes; 2. a motor stator assembly; 21. a stator core; 211. a circular truncated cone; 22. an exciting coil; 23. a stator iron frame; 231. a central bore; 232. inserting a block; 3. a motor mover assembly; 31. a magnetic conductive member; 311. a large cylinder; 312. a small cylinder; 32. a permanent magnet; 33. a spring; 4. an FPC component; 5. an upper cover plate; 51. a large circular hole; 52. a small circular hole; 53. a large circular through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment of the invention discloses a linear motor convenient to assemble, which comprises the following components as shown in figures 1-3: motor cabinet 1, motor stator subassembly 2, motor rotor subassembly 3, FPC part 4 and upper cover plate 5, wherein: the motor base 1 is used for assembling an external electronic Braille convex bead controller, a through hole 11, a blind hole 12 positioned on one side of the through hole 11 and a round counter bore 13 positioned at one end of the through hole 11 are arranged on the motor base 1, the round counter bore 13 is concentric with the through hole 11, and the aperture of the round counter bore 13 is larger than that of the through hole 11; the number of the motor stator assemblies 2 is four, the motor stator assemblies 2 are fixedly arranged on the motor base 1, and the motor stator assemblies 2 are used for generating a magnetic field; the number of the motor rotor assemblies 3 is four, the motor rotor assemblies 3 are arranged in the motor base 1, and the motor rotor assemblies 3 are used for realizing linear driving of a motor and driving convex beads of an external electronic Braille convex bead controller to ascend or descend; the FPC component 4 is arranged on the outer side of the motor base 1, and the FPC component 4 is used for independently controlling the motor stator assembly 2 so as to enable the motor rotor assembly 3 to independently perform linear motion; upper cover plate 5 sets up in the one end of motor cabinet 1, upper cover plate 5 and motor cabinet 1 fixed connection, and upper cover plate 5 is used for injecing linear electric motor amount of movement and fixes a position motor active cell subassembly 3. In the specific implementation process, the motor base 1 is provided with a mounting hole 16 located on one side of the through hole 11, and the mounting hole 16 is used for assembling the linear motor.

It should be noted that the motor stator assembly 2 is independently controlled through the FPC component 4, so that the motor stator assembly 2 generates a magnetic field, the motor rotor assembly 3 is driven to make a linear motion on the motor base 1, the upper cover plate 5 plays a role in limiting the movement amount of the linear motor, and the convex beads of the external electronic braille convex bead controller are conveniently and independently driven to ascend or descend; the linear motor disclosed by the invention is convenient to assemble and control the movement of the braille convex beads.

As shown, the motor-stator assembly 2 includes: the stator core 21 is arranged in the motor base 1 and is detachably connected with the motor base 1; the exciting coil 22 is sleeved on the outer side of the stator core 21 and used for generating a magnetic field and magnetizing the stator core 21; the stator iron frame 23 is fixedly inserted into the motor base 1 and used for increasing the magnetic field efficiency; the stator iron frame 23 is symmetrically provided with iron frame gaps for facilitating the extension of the lead of the exciting coil 22; one end of the stator core 21 is fixed to the stator frame 23.

As shown in fig. 1, 4 and 5, the stator frame 23 is L-shaped, the bottom surface of the stator frame 23 is semi-arc-shaped, and the side surface of the stator frame 23 is flat.

As shown in fig. 1, 4 and 5, a center hole 231 is formed at one end of the stator iron frame 23, and a circular truncated cone 211 fixedly engaged with the center hole 231 is formed at one end of the stator iron core 21 close to the stator iron frame 23.

As shown in fig. 1, 4 and 5, the stator iron frame 23 is provided with an insert 232 that is inserted into the blind hole 12 to accurately position the motor stator assembly 2 in the motor base 1.

As shown in fig. 1 and 6, the motor mover assembly 3 includes: the magnetic conduction piece 31 is arranged in the motor base 1, and the magnetic conduction piece 31 is used for pushing a convex rod structure of an external electronic Braille convex bead controller to enable an external convex bead to ascend or descend; the permanent magnet 32 is arranged in a circular ring shape, the permanent magnet 32 is sleeved on the outer side of the magnetic conduction piece 31, and the permanent magnet 32 is used for receiving the magnetic force of the motor stator assembly 2 and driving the magnetic conduction piece 31 to do linear motion on the motor base 1; the spring 33 is sleeved outside the magnetic conducting member 31, one end of the spring 33 abuts against one end face of the permanent magnet 32, and the other end of the spring 33 abuts against the inner wall of the bottom of the circular counter bore 13.

As shown in fig. 1 and 6, the magnetic conducting member 31 includes a large cylinder 311, a small cylinder 312 concentrically disposed with the large cylinder 311 is disposed on an end surface of one end of the large cylinder 311, and an end surface of one end of the permanent magnet 32 is attached to an end surface of the large cylinder 311 connected to the small cylinder 312.

As shown in fig. 1 and 6, the outer circumferential outer diameter of the permanent magnet 32 is larger than that of the large cylinder 311.

As shown in fig. 2, 3 and 7, one end of the motor base 1 is provided with a large fixing column 14 and a small fixing column 15, the upper cover plate 5 is provided with a large circular hole 51 fixedly matched with the large fixing column 14, and the upper cover plate 5 is provided with a small circular hole 52 fixedly matched with the small fixing column 15.

As shown in fig. 7, the upper cover plate 5 is provided with a large circular through hole 53 for facilitating one end of the motor mover assembly 3 to pass through.

The working principle is as follows: as shown in fig. 8 and 9, the motor stator assembly 2 is independently controlled through the FPC component 4FPC, so that the motor stator assembly 2 generates a magnetic field, the motor mover assembly 3 is driven to make a linear motion on the motor base 1, the upper cover plate 5 plays a role in limiting the movement amount of the linear motor, and the convex beads of the external electronic braille convex bead controller are conveniently and independently driven to ascend or descend; the linear motor disclosed by the invention is convenient to assemble and control the movement of the braille convex beads.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.