Linear motor convenient to assemble

Abstract

The utility model relates to a linear motor convenient to assemble in the technical field of motors, which comprises an outer frame, an oscillator assembly hung in the outer frame and a coil used for being matched with the oscillator assembly, the coil is sleeved on the outer side of the outer frame, and a limiting groove used for fixing the coil is arranged on the outer frame. According to the utility model, the coil sleeves the outer side of the outer frame, and the limiting groove is arranged on the outer frame to fix the coil, so that the structural design simplifies the assembly process and reduces the preparation cost, and meanwhile, the mode that the coil surrounds the outer side of the vibrator assembly enables the vibrator assembly to be fully driven to linearly move, and the vibration efficiency is improved. In conclusion, the linear motor convenient to assemble has the advantages of being simple in structure, convenient to assemble, high in vibration efficiency, good in stability and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a linear motor which is easy to assemble. Background Art

[0002] With the development of electronic technology, portable consumer electronic products are popular among people, such as mobile phones, handheld game consoles, navigation devices or handheld multimedia entertainment devices. These electronic products generally use linear vibration motors for system feedback, such as incoming call prompts, message prompts, navigation prompts on mobile phones, vibration feedback on game consoles, etc.

[0003] The vibration motor of the related technology includes a base with a receiving space, an electromagnetic drive unit located in the receiving space and fixed to the base, and a vibration unit. The vibration unit includes a magnetic conductive plate and an elastic component that supports the magnetic conductive plate on the base and is suspended above the electromagnetic drive unit. When the electromagnetic drive unit is energized, a point magnet is formed, which forms an alternating suction force on the magnetic conductive plate. Under the joint action of the elastic supporting force of the elastic component, the magnetic conductive plate vibrates up and down.

[0004] In the prior art, linear motors generally lay coils flat on the lower end of a magnetic plate to drive the plate to move linearly. However, in actual applications, the inventors found that the arrangement of the coils on one side cannot fully drive the plate to move linearly, resulting in the inability to further improve the vibration efficiency. Furthermore, the prior art has introduced linear motors with coils arranged on both ends of the magnetic plate, but the structure is relatively complex, the assembly is difficult, and the manufacturing cost is difficult to reduce. Therefore, the utility model proposes a linear motor that is easy to assemble. Summary of the invention

[0005] The utility model provides a linear motor which is easy to assemble, so as to solve the problems mentioned in the above background technology.

[0006] The purpose of the utility model is achieved by the following methods:

[0007] A linear motor that is easy to assemble comprises an outer frame, a vibrator assembly suspended in the outer frame, and a coil for cooperating with the vibrator assembly. The coil is sleeved on the outside of the outer frame, and a limiting groove for fixing the coil is provided on the outer frame.

[0008] Furthermore, a guide portion consisting of an inclined surface and / or an arc surface is provided on one side of the limiting groove.

[0009] Furthermore, protective covers are installed at both upper and lower ends of the outer frame.

[0010] Furthermore, a receiving groove is provided on the inner side of the protective cover plate at a position corresponding to the coil.

[0011] Furthermore, the vibrator assembly includes an inner frame suspended on the outer frame and a plurality of permanent magnets arranged in the inner frame.

[0012] Furthermore, the magnetism of the opposite surfaces of two adjacent permanent magnets is arranged with the same polarity.

[0013] Furthermore, a plurality of coils are provided, and the coils are provided between two permanent magnets.

[0014] The utility model arranges the coil on the outside of the outer frame, and provides a limiting groove on the outer frame to fix the coil. Such a structural design simplifies the assembly process and reduces the preparation cost. At the same time, the way in which the coil surrounds the outside of the vibrator assembly enables it to fully drive the vibrator assembly to move linearly, thereby improving the vibration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a linear motor that is easy to assemble according to the utility model;

[0016] Figure 2 This is a cross-sectional view of a linear motor that is easy to assemble according to the utility model;

[0017] Figure 3 This is a disassembly schematic diagram of a linear motor that is easy to assemble according to the utility model;

[0018] The reference numerals in the figure are: 1-outer frame, 101-limiting groove, 102-guide part, 2-coil, 3-protective cover plate, 4-inner frame, 5-permanent magnet. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] In this embodiment, refer to Figure 1-Figure 3 The specifically implemented linear motor is easy to assemble, including an outer frame 1, a vibrator assembly suspended in the outer frame 1, and a coil 2 for cooperating with the vibrator assembly. The coil 2 is sleeved on the outside of the outer frame 1, and a limiting groove 101 for fixing the coil 2 is provided on the outer frame 1.

[0021] In this embodiment, in order to improve the assembly efficiency of the coil 2, a guide portion 102 composed of an inclined surface and an arc surface is provided on one side of the limiting groove 101, so that the coil 2 can be guided to smoothly enter the limiting groove 101, thereby further improving the convenience of assembly.

[0022] The upper and lower ends of the outer frame 1 are both equipped with protective cover plates 3, which can protect the coil 2 from the influence of the external environment and improve the stability of the product. Furthermore, a receiving groove is provided on the inner side of the protective cover plate 3 corresponding to the position of the coil 2, making the structure of the entire linear motor more compact.

[0023] Furthermore, the vibrator assembly includes an inner frame 4 suspended on the outer frame 1 and a plurality of permanent magnets 5 disposed in the inner frame 4, the magnetism of the opposite surfaces of two adjacent permanent magnets 5 is arranged with the same polarity, and a plurality of coils 2 are arranged, and the coils 2 are arranged between the two permanent magnets 5. Such a design can improve the magnetic field and utilization efficiency, so that the vibrator assembly can move linearly more stably under the drive of the coils 2.

[0024] The utility model provides a linear motor that is easy to assemble. The coil 2 is sleeved on the outside of the outer frame 1, and a limiting groove 101 is provided on the outer frame 1 to fix the coil 2. Such a structural design simplifies the assembly process and reduces the preparation cost. At the same time, the coil 2 is arranged around the outside of the vibrator assembly so that it can fully drive the vibrator assembly to move linearly, thereby improving the vibration efficiency.

[0025] In summary, the linear motor that is easy to assemble provided by the utility model has the advantages of simple structure, convenient assembly, high vibration efficiency, good stability, etc.

[0026] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A linear motor that is easy to assemble, comprising an outer frame (1), a vibrator assembly suspended in the outer frame (1), and a coil (2) for cooperating with the vibrator assembly, characterized in that: The coil (2) is sleeved on the outside of the outer frame (1), and a limiting groove (101) for fixing the coil (2) is provided on the outer frame (1).

2. A linear motor that is easy to assemble according to claim 1, characterized in that: A guide portion (102) consisting of an inclined surface and / or an arc surface is provided on one side of the limiting groove (101).

3. A linear motor that is easy to assemble according to claim 1, characterized in that: Protective cover plates (3) are installed at both upper and lower ends of the outer frame (1).

4. A linear motor that is easy to assemble according to claim 3, characterized in that: An accommodation groove is provided on the inner side of the protective cover plate (3) at a position corresponding to the coil (2).

5. A linear motor that is easy to assemble according to any one of claims 1 to 4, characterized in that: The vibrator assembly comprises an inner frame (4) suspended and mounted on the outer frame (1) and a plurality of permanent magnets (5) arranged in the inner frame (4).

6. A linear motor that is easy to assemble according to claim 5, characterized in that: The magnetic properties of the opposite surfaces of two adjacent permanent magnets (5) are arranged with the same polarity.

7. A linear motor that is easy to assemble according to claim 6, characterized in that: A plurality of the coils (2) are provided, and the coils (2) are arranged between two permanent magnets (5).

Images