A linear motor facilitating assembly

Abstract

The present invention relates to the technical field of motors, and discloses a linear motor that is convenient for assembly, including: a motor base for assembling an external electronic Braille bead controller; four motor stator assemblies mounted and fixed on the motor base for generating a magnetic field; four motor mover assemblies for realizing the linear drive of the motor; an FPC component disposed outside the motor base for independently controlling the motor stator assemblies; and an upper cover plate disposed at one end of the motor base for defining the movement amount of the linear motor and positioning the motor mover assemblies. The FPC component independently controls the motor stator assemblies to generate a magnetic field, driving the motor mover assemblies to perform linear motion on the motor base. The upper cover plate plays a limiting role to limit the movement amount of the linear motor, thereby facilitating the independent driving of the beads of the external electronic Braille bead controller to move up or down; the linear motor disclosed by the present invention is convenient for assembly and convenient for controlling the movement of the Braille beads.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and particularly to a linear motor that is convenient for assembly. Background Art

[0002] A linear motor is a transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion mechanism. A linear motor is also called a linear motor, a linear motor, a linear motor, and a push rod motor. The most commonly used types of linear motors are flat type, U-groove type, and tubular type.

[0003] In the prior art, the control of braille raised beads uses a selection type motor and a micro mechanism with a complex structure. The external dimension of the motor is large, and it cannot ensure that the pitch of the raised bead arrangement of the electronic braille dot display unit reaches the international standard.

[0004] Therefore, how to provide a linear motor that is convenient for assembly to facilitate the control of the movement of braille raised beads has become an urgent technical problem to be solved. Summary of the Invention

[0005] The technical problem to be solved by the present invention is how to provide a linear motor that is convenient for assembly to facilitate the control of braille raised beads.

[0006] To this end, according to a first aspect, an embodiment of the present invention discloses a linear motor that is convenient for assembly, including: a motor base for assembling an external electronic braille raised bead controller, wherein a through hole, a blind hole located on one side of the through hole, and a round counterbore located at one end of the through hole are provided on the motor base, the round counterbore is concentric with the through hole, and the aperture of the round counterbore is larger than the aperture of the through hole; four motor stator assemblies are fixedly installed on the motor base for generating a magnetic field; four motor mover assemblies are arranged in the motor base for realizing the linear drive of the motor and driving the raised beads of the external electronic braille raised bead controller to rise or fall; an FPC component is arranged on the outside of the motor base for independently controlling the motor stator assembly so that the motor mover assembly moves linearly independently; an upper cover plate is arranged at one end of the motor base and fixedly connected to the motor base for defining the moving amount of the linear motor and positioning the motor mover assembly.

[0007] Optionally, the motor stator assembly includes: a stator core arranged in the motor base and detachably connected to the motor base; an exciting coil sleeved outside the stator core for generating a magnetic field and magnetizing the stator core; a stator iron frame inserted and fixed to the motor base for increasing the magnetic field efficiency; iron frame notches symmetrically arranged on the stator iron frame for facilitating the lead wires of the exciting coil to extend out; wherein one end of the stator core is fixed to the stator iron frame.

[0008] Optionally, the stator iron frame is arranged in an L shape, the bottom surface of the stator iron frame is semi-circular, and the side surface of the stator iron frame is flat.

[0009] Optionally, a central hole is provided at one end of the stator iron frame, and a frustum is provided at one end of the stator core close to the stator iron frame and is fixedly matched with the central hole.

[0010] Optionally, insertion blocks are provided on the stator iron frame and are inserted and matched with the blind holes to accurately position the motor stator assembly on the motor base.

[0011] Optionally, the motor mover assembly includes: a magnetic conductive member disposed in the motor base and used to push the convex rod structure of an external electronic braille bead controller so that the external beads rise or fall; a permanent magnet arranged in a circular ring shape and sleeved outside the magnetic conductive member and used to receive the magnetic force of the motor stator assembly and drive the magnetic conductive member to perform a linear motion on the motor base; a spring sleeved outside the magnetic conductive member, one end of which abuts against one end face of the permanent magnet, and the other end abuts against the inner wall of the bottom of the circular counterbore.

[0012] Optionally, the magnetic conductive member includes a large cylinder, and a small cylinder concentric with the large cylinder is provided at one end face of the large cylinder, and one end face of the permanent magnet is attached to one end face of the small cylinder connecting the large cylinder.

[0013] Optionally, the outer diameter of the outer circle of the permanent magnet is greater than the outer diameter of the outer circle of the large cylinder.

[0014] Optionally, a large fixing column and a small fixing column are provided at one end of the motor base, a large round hole fixedly matched with the large fixing column is provided on the upper cover plate, and a small round hole fixedly matched with the small fixing column is provided on the upper cover plate.

[0015] Optionally, a large round through hole is provided on the upper cover plate to facilitate the passage of one end of the motor mover assembly.

[0016] The present invention has the following beneficial effects: The motor stator assembly is independently controlled by the FPC component to generate a magnetic field, drive the motor mover assembly to perform a linear motion on the motor base, and the upper cover plate plays a limiting role to limit the moving amount of the linear motor, thereby facilitating the independent driving of the beads of the external electronic braille bead controller to rise or fall; the linear motor disclosed by the present invention is easy to assemble and convenient to control the movement of the braille beads. Description of the Drawings

[0017] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of an exploded structure of a linear motor that is easy to assemble disclosed in this embodiment;

[0019] Figure 2 is a bottom schematic diagram of a motor base of a linear motor that is easy to assemble disclosed in this embodiment;

[0020] Figure 3 1 is a top schematic diagram of a motor base of a linear motor that is easy to assemble disclosed in this embodiment;

[0021] Figure 4 It is a schematic diagram of an exploded structure of a motor stator assembly of a linear motor that is easy to assemble disclosed in this embodiment;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of a motor stator assembly of a linear motor that is easy to assemble disclosed in this embodiment;

[0023] Figure 6 It is a schematic diagram of a partial exploded structure of a motor mover assembly of a linear motor that is easy to assemble disclosed in this embodiment;

[0024] Figure 7 This is a schematic structural diagram of an upper cover plate of a linear motor that is easy to assemble disclosed in this embodiment;

[0025] Figure 8 It is a structural schematic diagram of a motor mover assembly of a linear motor that is easy to assemble disclosed in this embodiment and is in a first stop position;

[0026] Figure 9 It is a structural schematic diagram of a motor mover assembly of a linear motor that is easy to assemble disclosed in this embodiment, which is in a second stop position.

[0027] Reference numerals: 1, motor base; 11, through hole; 12, blind hole; 13, round counterbore; 14, large fixing post; 15, small fixing post; 16, mounting hole; 2, motor stator assembly; 21, stator core; 211, frustum; 22, exciting coil; 23, stator iron frame; 231, central hole; 232, insert block; 3, motor rotor assembly; 31, magnetic conductive part; 311, large cylinder; 312, small cylinder; 32, permanent magnet; 33, spring; 4, FPC component; 5, upper cover plate; 51, large round hole; 52, small round hole; 53, large round through hole. Detailed implementation manners

[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "mount", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] An embodiment of the present invention discloses a linear motor that is convenient for assembly, as Figures 1-3As shown in the figure, it includes: a motor base 1, a motor stator assembly 2, a motor mover assembly 3, an FPC component 4, and an upper cover plate 5. Among them: The motor base 1 is used to assemble an external electronic Braille bead controller. The motor base 1 is provided with a through hole 11, a blind hole 12 on one side of the through hole 11, and a circular counterbore 13 at one end of the through hole 11. The circular counterbore 13 is concentric with the through hole 11, and the diameter of the circular counterbore 13 is larger than that of the through hole 11. There are four motor stator assemblies 2, and the motor stator assemblies 2 are installed and fixed on the motor base 1. The motor stator assemblies 2 are used to generate a magnetic field. There are four motor mover assemblies 3, and the motor mover assemblies 3 are arranged inside the motor base 1. The motor mover assemblies 3 are used to achieve the linear drive of the motor and drive the beads of the external electronic Braille bead controller to rise or fall. The FPC component 4 is arranged outside the motor base 1. The FPC component 4 is used to independently control the motor stator assembly 2 so that the motor mover assembly 3 can move linearly independently. The upper cover plate 5 is arranged at one end of the motor base 1. The upper cover plate 5 is fixedly connected to the motor base 1. The upper cover plate 5 is used to limit the movement amount of the linear motor and position the motor mover assembly 3. In the specific implementation process, the motor base 1 is provided with a mounting hole 16 on one side of the through hole 11, and the mounting hole 16 is used to assemble the linear motor.

[0033] It should be noted that the FPC component 4 independently controls the motor stator assembly 2 to generate a magnetic field, driving the motor mover assembly 3 to perform a linear motion on the motor base 1. The upper cover plate 5 plays a limiting role to limit the movement amount of the linear motor, thereby facilitating the independent driving of the beads of the external electronic Braille bead controller to rise or fall. The linear motor disclosed in the present invention is easy to assemble and convenient to control the movement of the Braille beads.

[0034] As shown in the figure, the motor stator assembly 2 includes: a stator core 21, which is arranged inside the motor base 1 and is detachably connected to the motor base 1; an exciting coil 22, which is sleeved outside the stator core 21 and is used to generate a magnetic field and magnetize the stator core 21; a stator iron frame 23, which is fixedly plugged into the motor base 1 and is used to increase the magnetic field efficiency. The stator iron frame 23 is symmetrically provided with iron frame notches for facilitating the lead wires of the exciting coil 22 to extend out. Among them, one end of the stator core 21 is fixed to the stator iron frame 23.

[0035] As Figure 1 、 Figure 4 and Figure 5 shown, the stator iron frame 23 is arranged in an L shape. The bottom surface of the stator iron frame 23 is semi-circular, and the side surface of the stator iron frame 23 is flat.

[0036] As Figure 1 、 Figure 4 and Figure 5As shown, a central hole 231 is provided at one end of the stator iron frame 23, and a frustum 211 that is fixedly fitted with the central hole 231 is provided at one end of the stator core 21 close to the stator iron frame 23.

[0037] As Figure 1 , Figure 4 and Figure 5 shown, an insertion block 232 that is inserted and fitted with the blind hole 12 is provided on the stator iron frame 23 to accurately position the motor stator assembly 2 on the motor base 1.

[0038] As Figure 1 and Figure 6 shown, the motor mover assembly 3 includes: a magnetic conductive member 31, a permanent magnet 32, and a spring 33. The magnetic conductive member 31 is arranged in the motor base 1 and is used to push the convex rod structure of the external electronic Braille bead controller to raise or lower the external beads; the permanent magnet 32 is arranged in a circular ring shape and is sleeved on the outside of the magnetic conductive member 31. The permanent magnet 32 is used to receive the magnetic force of the motor stator assembly 2 and drive the magnetic conductive member 31 to perform a linear motion on the motor base 1; the spring 33 is sleeved on the outside of the magnetic conductive 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 counterbore 13.

[0039] As Figure 1 and Figure 6 shown, the magnetic conductive member 31 includes a large cylinder 311, and a small cylinder 312 that is concentric with the large cylinder 311 is provided at one end face of the large cylinder 311. One end face of the permanent magnet 32 is attached to one end face of the small cylinder 312 where the large cylinder 311 is connected.

[0040] As Figure 1 and Figure 6 shown, the outer diameter of the outer circle of the permanent magnet 32 is larger than the outer diameter of the outer circle of the large cylinder 311.

[0041] As Figure 2 , Figure 3 and Figure 7 shown, a large fixing column 14 and a small fixing column 15 are provided at one end of the motor base 1, a large circular hole 51 that is fixedly fitted with the large fixing column 14 is provided on the upper cover plate 5, and a small circular hole 52 that is fixedly fitted with the small fixing column 15 is provided on the upper cover plate 5.

[0042] As Figure 7 shown, a large circular through hole 53 for facilitating the passage of one end of the motor mover assembly 3 is provided on the upper cover plate 5.

[0043] Working principle: As Figure 8 and Figure 9As shown in the figure, the motor stator assembly 2 is independently controlled by the FPC component 4FPC, so that the motor stator assembly 2 generates a magnetic field to drive the motor mover assembly 3 to perform a linear motion on the motor base 1. The upper cover plate 5 plays a limiting role to limit the movement amount of the linear motor, thereby facilitating the independent driving of the convex beads of the external electronic braille convex bead controller to rise or fall; the linear motor disclosed in the present invention is easy to assemble and convenient to control the movement of the braille convex beads.

[0044] Obviously, the above embodiments are only examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the present invention.

Claims

1. A linear motor facilitating assembly, characterized in that, it includes: A motor base (1) for assembling an external electronic braille bead controller. A through hole (11), a blind hole (12) located on one side of the through hole (11), and a circular counterbore (13) located at one end of the through hole (11) are provided on the motor base (1). The circular counterbore (13) is concentric with the through hole (11), and the aperture of the circular counterbore (13) is larger than that of the through hole (11). An installation hole (16) is provided on the motor base (1) on one side of the through hole (11), and the installation hole (16) is used for assembling the linear motor; Four motor stator assemblies (2) are fixedly installed on the motor base (1) for generating a magnetic field; Four motor mover assemblies (3) are arranged inside the motor base (1) for realizing the linear drive of the motor and driving the beads of the external electronic braille bead controller to rise or fall; An FPC component (4) is arranged outside the motor base (1) for independently controlling the motor stator assembly (2) so that the motor mover assembly (3) moves linearly independently; An upper cover plate (5) is arranged at one end of the motor base (1) and is fixedly connected to the motor base (1) for limiting the moving amount of the linear motor and positioning the motor mover assembly (3).

2. The linear motor facilitating assembly according to claim 1, characterized in that, the motor stator assembly (2) includes: A stator core (21) is arranged inside the motor base (1) and is detachably connected to the motor base (1); An exciting coil (22) is sleeved outside the stator core (21) for generating a magnetic field and magnetizing the stator core (21); A stator iron frame (23) is fixedly inserted into the motor base (1) for increasing the magnetic field efficiency. Iron frame notches for facilitating the lead wires of the exciting coil (22) to extend out are symmetrically provided 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 facilitating assembly according to claim 2, characterized in that, the stator iron frame (23) is arranged in an L shape, the bottom surface of the stator iron frame (23) is semi-circular, and the side surface of the stator iron frame (23) is flat.

4. The linear motor facilitating assembly according to claim 2, characterized in that, a central hole (231) is provided at one end of the stator iron frame (23), and a round platform (211) fixedly matched with the central hole (231) is provided at one end of the stator core (21) close to the stator iron frame (23).

5. The linear motor facilitating assembly according to claim 2, characterized in that, a plug (232) inserted and matched with the blind hole (12) is provided on the stator iron frame (23) to accurately position the motor stator assembly (2) on the motor base (1).

6. The linear motor facilitating assembly according to claim 1, characterized in that, the motor mover assembly (3) includes: The magnetic conduction member (31) is disposed inside the motor base (1) and is used to push the convex rod structure of the external electronic braille bead controller so that the external beads can rise or fall; The permanent magnet (32) is arranged in a circular ring shape and sleeved outside the magnetic conduction member (31). It is used to receive the magnetic force of the motor stator assembly (2) and drive the magnetic conduction member (31) to perform a linear motion on the motor base (1); The spring (33) is sleeved outside the magnetic conduction member (31). One end of the spring abuts against one end face of the permanent magnet (32), and the other end abuts against the inner wall of the bottom of the circular counterbore (13).

7. The easy-to-assemble linear motor according to claim 6, characterized in that, The magnetic conduction member (31) includes a large cylinder (311). One end face of the large cylinder (311) is provided with a small cylinder (312) concentric with the large cylinder (311). One end face of the permanent magnet (32) is attached to the end face of the large cylinder (311) connecting the small cylinder (312).

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

9. The easy-to-assemble linear motor according to any one of claims 1-8, characterized in that, 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).

10. The easy-to-assemble linear motor according to any one of claims 1-8, characterized in that, 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).

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