Flat vibration motor
By optimizing the component layout of the flat vibration motor, a more compact flat vibration motor is designed, which solves the problem of excessive size in the prior art and achieves a smaller overall size and good use effect.
Patent Information
- Application Number
- CN202421238041.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing flat vibration motors are unreasonable, resulting in a large overall size and diameter, which limits the miniaturization of the overall structure of the mobile device.
A flat vibration motor including a housing, a rotating shaft, a soft substrate, a permanent magnet, a reversing seat and a positioning frame is designed to reduce the overall size while ensuring vibration output by optimizing the layout of the parts.
It realizes a more compact and reasonable structural layout, effectively reduces the overall size, meets the needs of mobile devices, and has good usage effects.
Smart Images
Figure CN222531451U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a flat vibration motor. Background Art
[0002] As mobile devices such as mobile phones have more and more functions, their overall size has tended to be stable. As the number of device functions increases, the size of internal components is required to be miniaturized, which requires the internal vibration motor to be miniaturized accordingly. The existing flat vibration motor is not set up properly, resulting in a large overall diameter, which restricts the miniaturization of the overall structure of the mobile device. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a flat vibration motor, which has a reasonable structural arrangement, a smaller overall size, meets usage requirements, and has a good use effect.
[0004] To achieve the above-mentioned purpose, the utility model provides a flat vibration motor, including a shell, a rotating shaft is rotatably arranged on the shell, a soft substrate and a permanent magnet are arranged on the shell in the circumferential direction of the rotating shaft, a connecting terminal is extended out of the shell on the soft substrate, a commutation seat and a positioning frame are fixedly arranged on the rotating shaft, the positioning frame is eccentrically connected to the rotating shaft, the positioning frame is connected to the commutation seat, the positioning frame is provided with a connecting groove, a coil is matched in the connecting groove, a plurality of commutation contact pieces are arranged at intervals on the commutation seat, a brush is extended from the soft substrate to the commutation contact piece, the brush abuts against the commutation contact piece, the shell height is set to 3.5±0.6mm, and the shell diameter is set to 7±0.5mm.
[0005] The beneficial effect of such an arrangement is that the structural arrangement is more compact and reasonable. When the shaft rotates, the brushes are in contact with different commutation contact pieces, thereby realizing commutation. The working principle of the motor here belongs to the prior art and will not be elaborated here. Through the above-mentioned layout structure, the number of parts is reduced and the vibration output is guaranteed. At the same time, the structural arrangement is reasonable. Through such an arrangement structure, the overall size can be effectively reduced, and the use requirements can be met under the condition of this size, and it has a good use effect.
[0006] As a further configuration of the utility model, a counterweight groove is provided on the reversing seat, and a counterweight block is matched in the counterweight groove.
[0007] The beneficial effect of such an arrangement is that by such an arrangement, the counterweight is further increased, so that the overall vibration output is more efficient and stable, and has a good use effect.
[0008] As a further configuration of the utility model, the counterweight block includes an insertion portion and an exposed portion, the insertion portion is clamped in the counterweight slot, the exposed portion is exposed outside the reversing seat, and the coil is provided in two and is disposed on both sides of the insertion portion.
[0009] The beneficial effect of such arrangement is that the counterweight block structure is arranged more reasonably and is easy to assemble, while the connection is stable and the reliability of use is guaranteed.
[0010] As a further configuration of the utility model, the shell is separately configured to form a base and an upper cover, the rotating shaft is rotatably arranged on the base, the upper cover is provided with a rotating groove corresponding to the rotating shaft, the rotating shaft abuts against the rotating groove, the soft substrate and the permanent magnet are arranged on the base, a support plate is also formed on the base, and the wiring terminals are arranged on the support plate.
[0011] The beneficial effect of such arrangement is that it is convenient for assembling the structure, and at the same time, the structure is simple, the production and processing efficiency is improved, and a good use effect is achieved.
[0012] As a further configuration of the utility model, a rib is provided on the base along the circumference of the permanent magnet, and a positioning edge is provided on the upper cover corresponding to the rib, and the positioning edge is clamped outside the rib.
[0013] The beneficial effect of such arrangement is that the installation and positioning of the structure is facilitated by such arrangement, and at the same time the structure is simple, the assembly is reliable, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic cross-sectional structure diagram of an embodiment of the utility model;
[0015] Figure 2 It is a schematic diagram of the internal structure of an embodiment of the utility model. DETAILED DESCRIPTION
[0016] The implementation of the flat vibration motor of the utility model is as follows Figure 1 to Figure 2As shown: it includes a shell 1, on which a rotating shaft 2 is rotatably arranged, and a soft substrate 5 and a permanent magnet 6 are arranged on the shell 1 in the circumferential direction of the rotating shaft 2, and the soft substrate 5 has a terminal extending out of the shell 1, and a commutation seat 4 and a positioning frame 3 are fixedly arranged on the rotating shaft 2, and the positioning frame 3 is eccentrically connected to the rotating shaft 2, and the positioning frame 3 is connected to the commutation seat 4, and the positioning frame 3 is provided with a connecting groove, and a coil 32 is matched in the connecting groove, and a plurality of commutation contact pieces are arranged at intervals on the commutation seat 4, and a brush 51 is extended from the soft substrate 5 to the commutation contact piece, and the brush 51 abuts against the commutation contact piece, and the height of the shell 1 is set to 3.5±0.6mm, and the diameter of the shell 1 is set to 7±0.5mm. The beneficial effect of such arrangement is that the structural arrangement is more compact and reasonable. When the shaft 2 rotates, the brush 51 contacts different commutation contact pieces, thereby realizing commutation. The working principle of the motor here belongs to the prior art and will not be elaborated here. Through the above-mentioned layout structure, the number of parts is reduced, the vibration output is guaranteed, and the structural arrangement is reasonable. Through such an arrangement structure, the overall size can be effectively reduced, and the use requirements can be met under the condition of the size, and the use effect is good.
[0017] As a further configuration of this embodiment, a counterweight groove is provided on the reversing seat 4, and a counterweight block 31 is matched in the counterweight groove. The beneficial effect of this configuration is that by this configuration, the counterweight is further increased, so that the overall vibration output is more efficient and stable, and has a good use effect.
[0018] As a further configuration of this embodiment, the counterweight block 31 includes an insertion portion and an exposed portion, wherein the insertion portion is clamped in the counterweight slot, and the exposed portion is exposed outside the reversing seat 4, and the coil 32 is provided in two and is disposed on both sides of the insertion portion. The beneficial effect of such configuration is that, through such configuration, the structural arrangement of the counterweight block 31 is more reasonable, which is convenient for assembly, and the connection is stable, thereby ensuring the reliability of use.
[0019] As a further configuration of this embodiment, the housing 1 is divided into a base 12 and an upper cover 11, the shaft 2 is rotatably arranged on the base 12, the upper cover 11 is provided with a rotation groove corresponding to the shaft 2, the shaft 2 abuts against the rotation groove, the soft substrate 5 and the permanent magnet 6 are arranged on the base 12, a support plate is also formed on the base 12, and the wiring terminals are arranged on the support plate. The beneficial effect of such a configuration is that the structure is easy to assemble and assemble, the structure is simple, the production and processing efficiency is improved, and a good use effect is achieved.
[0020] As a further configuration of this embodiment, a rib 121 is provided on the base 12 along the circumference of the permanent magnet 6, and a positioning edge 111 is provided on the upper cover 11 at a position corresponding to the rib 121, and the positioning edge 111 is clamped outside the rib 121. The beneficial effect of this configuration is that the installation and positioning of the structure is facilitated by this configuration, and the structure is simple, the assembly is reliable, and the use effect is good.
[0021] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.
Claims
1. A flat vibration motor, comprising a housing, a rotating shaft being rotatably arranged on the housing, a soft substrate and a permanent magnet being arranged on the housing in the circumferential direction of the rotating shaft, and a connection terminal extending outward from the housing on the soft substrate, characterized in that: A commutation seat and a positioning frame are fixedly arranged on the rotating shaft, the positioning frame is eccentrically connected to the rotating shaft, the positioning frame is connected to the commutation seat, the positioning frame is provided with a connecting groove, a coil is fitted in the connecting groove, a plurality of commutation contact pieces are arranged at intervals on the commutation seat, a brush is extended from the soft substrate toward the commutation contact piece, the brush abuts against the commutation contact piece, the housing height is set to 3.5±0.6mm, and the housing diameter is set to 7±0.5mm.
2. The flat vibration motor according to claim 1, characterized in that: The reversing seat is provided with a counterweight groove, and a counterweight block is matched in the counterweight groove.
3. The flat vibration motor according to claim 2, characterized in that: The counterweight block comprises an inserting portion and an exposed portion, wherein the inserting portion is clamped in the counterweight slot, and the exposed portion is exposed outside the reversing seat. The coil is provided in two and is disposed at both sides of the inserting portion.
4. The flat vibration motor according to claim 1, 2 or 3, characterized in that: The shell is separately provided to form a base and an upper cover, the rotating shaft is rotatably arranged on the base, the upper cover is provided with a rotating groove corresponding to the rotating shaft, the rotating shaft abuts against the rotating groove, the soft substrate and the permanent magnet are arranged on the base, a support plate is also formed on the base, and the connecting terminals are arranged on the support plate.
5. The flat vibration motor according to claim 4, characterized in that: A rib is arranged on the upper side of the base in the circumferential direction of the permanent magnet, and a positioning edge is arranged on the upper cover at a position corresponding to the rib, and the positioning edge is clamped outside the rib.