Novel voice coil motor limiting structure
By introducing a limiting structure consisting of a rotating rod, a locking block, and a magnetic ring into the voice coil motor, the problem of easy detachment between the motor base and the metal housing is solved, achieving precise positioning and stable bonding, and facilitating subsequent disassembly.
Patent Information
- Application Number
- CN202423024953.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The existing voice coil motors lack a limiting structure during assembly, which makes it easy for the motor base to detach from the metal housing, affecting the accuracy and stability of adhesive positioning.
The device employs a stabilizing mechanism, which includes a combination of a rotating rod, a locking block, a limiting seat, and a magnetic ring. The rotating rod drives the locking block to engage with the limiting seat to achieve limiting. The magnetic ring enhances stability, and the device can be easily separated from the rod body via a threaded groove.
This achieves precise bonding and stability between the motor housing and the base, improving ease of assembly and overall stability, while also facilitating subsequent disassembly and maintenance.
Smart Images
Figure CN223744479U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to voice coil motor technical field especially relates to a novel voice coil motor limiting structure. BACKGROUND
[0002] When the current passes through the coil (voice coil) in the magnetic field, the coil will be subjected to a force perpendicular to the direction of the current and the direction of the magnetic field, which makes the coil produce linear motion, the magnetic field of the voice coil motor is usually provided by the permanent magnet, and the coil is wound on a suitable skeleton and can move freely in the magnetic field, for example, in a loudspeaker, the audio current passes through the voice coil, the voice coil is subjected to the action of force in the magnetic field of the permanent magnet and vibrates, thereby driving the cone of the loudspeaker to vibrate and emit sound.
[0003] In daily work, it is found that the existing voice coil motor is usually fixed by gluing when assembling, and there is no limiting structure when the motor metal shell and the motor base are glued, and the motor base and the metal shell are prone to disengagement before the glue solidifies or when subjected to external force interference, so that the gluing process is difficult to accurately position. UTILITY MODEL CONTENT
[0004] The utility model discloses a novel voice coil motor limiting structure to solve the lack of limiting structure in the prior art, the motor base and the metal shell are prone to disengagement.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a novel voice coil motor limiting structure, including base body and stabilizing device, the top of base body is provided with motor shell body, the surface of motor shell body is provided with through -hole, the surface of stabilizing device is arranged on the motor shell body, the stabilizing device includes fixed block, the number of fixed block is two, two fixed blocks are fixedly connected with the surface of motor shell body respectively, the surface of base body is fixedly connected with limiting seat, the inner wall of fixed block is rotatably connected with rotating rod, the surface of rotating rod is fixedly connected with rotating ring, the surface of rotating rod is provided with sliding slot, the inner wall of sliding slot is slidably connected with clamping block, the auxiliary assembly is arranged between rotating rod and clamping block, the inner wall of clamping block and limiting seat is inserted, through the above-mentioned parts, when the motor shell body and base body are bonded by glue, the rotating rod can be rotated, the rotating rod drives the clamping block to rotate, makes the clamping block enter the inner wall of limiting seat, realizes the limiting of base body, and makes the motor shell body and base body stably bonded together.
[0006] Preferably, the inner wall of the rotating ring is fixedly connected with a magnetic ring one, the inner wall of the fixed block is fixedly connected with a magnetic ring two, the magnetic ring one is magnetically connected with the magnetic ring two, through the above-mentioned components, when the rotating ring drives the rotating rod and the clamping block to rotate, the magnetic ring one can cooperate with the magnetic ring two to be adsorbed, so as to position the rotating rod and the clamping block, and improve the stability.
[0007] Preferably, the limiting seat is arranged in an arc shape.
[0008] Preferably, the auxiliary assembly comprises a rod body, the rod body is rotatably connected with the inner wall of the rotating rod, one end of the rod body extends into the sliding groove, the surface of the rod body in the sliding groove is provided with a threaded groove, and the threaded groove on the surface of the rod body is screw-connected with the inner wall of the clamping block, through the above-mentioned components, when it is needed to separate the motor outer shell body from the base body, the glue is only needed to be melted first, and then the rod body is rotated, the rod body cooperates with the threaded groove to drive the clamping block to move in the sliding groove, the clamping block pushes the limiting seat, so that the base body and the motor outer shell body are separated, and the ease of use is improved.
[0009] Preferably, one end of the rod body is fixedly connected with a handle, and the handle is composed of a circular ring and four rectangular plates fixedly arranged on the surface of the circular ring.
[0010] Preferably, the upper and lower surfaces of the clamping block are fixedly connected with gaskets respectively, and the surface of the gasket is provided with a through hole for the rod body to pass through, through the above-mentioned components, when the clamping block cooperates with the gasket and is clamped into the inner wall of the limiting seat, the gap between the clamping block and the inner wall of the limiting seat can be reduced, so that the stability during installation is guaranteed.
[0011] Preferably, the magnetic ring one and the magnetic ring two are arranged in the inner walls of the rotating ring and the fixed block respectively, and the magnetic ring two is arranged directly below the magnetic ring one.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that:
[0013] 1、In the utility model, through the mutual cooperation between the rotating rod, the clamping block, the auxiliary assembly and the limiting seat, the base body can be limited during installation, the base body is accurately attached to the motor outer shell body, and the adhesion operation is carried out, so that the motor base and the metal shell are not easy to separate before the glue is solidified or when external force interference is received, and the overall stability is improved.
[0014] 2、In the utility model, when the motor outer shell body and the base body need to be separated for subsequent maintenance, the glue is only needed to be handled first, then the handle, the rod body, the threaded groove and the clamping block are cooperated, the limiting seat can be pushed, the motor outer shell body and the base body can be separated, tools are not needed to pry, and the overall ease of use is improved. DRAWINGS
[0015] Figure 1 A three-dimensional structure schematic diagram of a novel voice coil motor limiting structure is provided for the utility model;
[0016] Figure 2 A stable device structure schematic diagram of a novel voice coil motor limiting structure is provided for the utility model;
[0017] Figure 3 A partial structure schematic diagram of a novel voice coil motor limiting structure is provided for the utility model;
[0018] Figure 4 A stable device partial explosion structure schematic diagram of a novel voice coil motor limiting structure is provided for the utility model;
[0019] Figure 5 A stable device partial explosion structure schematic diagram of a novel voice coil motor limiting structure is provided for the utility model.
[0020] Legend:
[0021] 1, motor shell body; 2, base body; 3, through hole; 4, stable device; 41, fixed block; 42, limiting seat; 43, rotating rod; 44, rotating ring; 45, auxiliary assembly; 451, rod body; 452, threaded groove; 453, handle; 46, magnetic ring one; 47, magnetic ring two; 48, clamping block; 49, sliding groove; 410, gasket. DETAILED DESCRIPTION
[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a novel voice coil motor limiting structure, including base body 2 and stable device 4, the top of base body 2 is provided with motor shell body 1, the surface of motor shell body 1 is provided with through hole 3, and stable device 4 is arranged on the surface of motor shell body 1.
[0023] Specifically, stable device 4 includes fixed block 41, the number of fixed block 41 is two, two fixed blocks 41 are fixedly connected with the surface of motor shell body 1 respectively, the surface of base body 2 is fixedly connected with limiting seat 42, the inner wall of fixed block 41 is rotatably connected with rotating rod 43, the surface of rotating rod 43 is fixedly connected with rotating ring 44, the surface of rotating rod 43 is provided with sliding groove 49, the inner wall of sliding groove 49 is slidably connected with clamping block 48, auxiliary assembly 45 is arranged between rotating rod 43 and clamping block 48, and clamping block 48 is inserted with the inner wall of limiting seat 42.
[0024] In the embodiment, when motor shell body 1 and base body 2 are bonded by glue, rotating rod 43 can be rotated, rotating rod 43 drives clamping block 48 to rotate, makes clamping block 48 into the inner wall of limiting seat 42, realizes the limiting of base body 2, and makes motor shell body 1 and base body 2 stably bonded together.
[0025] Specifically, the inner wall of the rotating ring 44 is fixedly connected with a magnetic ring one 46, and the inner wall of the fixed block 41 is fixedly connected with a magnetic ring two 47. The magnetic ring one 46 and the magnetic ring two 47 are magnetically connected.
[0026] In the embodiment, when the rotating ring 44 drives the rotating rod 43 and the clamping block 48 to rotate, the magnetic ring one 46 can cooperate with the magnetic ring two 47 to be adsorbed, so as to position the rotating rod 43 and the clamping block 48 and improve the stability.
[0027] Specifically, the limiting seat 42 is arranged in an arc shape.
[0028] Specifically, the auxiliary assembly 45 includes a rod body 451, the rod body 451 is rotationally connected with the inner wall of the rotating rod 43, one end of the rod body 451 extends into the sliding groove 49, and a threaded groove 452 is arranged in the surface of the rod body 451 in the sliding groove 49. The threaded groove 452 on the surface of the rod body 451 is screw-connected with the inner wall of the clamping block 48.
[0029] In the embodiment, when it is needed to separate the motor outer shell 1 from the base body 2, the glue is first melted, and then the rod body 451 is rotated. The rod body 451 cooperates with the threaded groove 452 to drive the clamping block 48 to move in the sliding groove 49, the clamping block 48 pushes the limiting seat 42, so that the base body 2 and the motor outer shell 1 are separated, and the ease of use is improved.
[0030] Specifically, one end of the rod body 451 is fixedly connected with a handle 453, and the handle 453 is combined by a circular ring and four rectangular plates fixed on the surface of the circular ring.
[0031] Specifically, the upper and lower surfaces of the clamping block 48 are fixedly connected with gaskets 410 respectively, and the surface of the gasket 410 is provided with a through hole 3 through which the rod body 451 passes.
[0032] In the embodiment, after the clamping block 48 cooperates with the gasket 410 to be clamped into the inner wall of the limiting seat 42, the gap between the clamping block 48 and the inner wall of the limiting seat 42 can be reduced, so that the stability during installation is ensured.
[0033] Specifically, the magnetic ring one 46 and the magnetic ring two 47 are arranged in the inner walls of the rotating ring 44 and the fixed block 41 respectively, and the magnetic ring two 47 is arranged directly below the magnetic ring one 46.
[0034] Working principle: in the installation process, first the motor shell 1 and base body 2 are bonded together using glue, during the bonding and curing process, the rotating ring 44 can be rotated first, the rotating ring 44 drives the rotating rod 43 and the clamping block 48 to rotate, the clamping block 48 is clamped into the inner wall of the limiting seat 42, the clamping block 48 can drive the gasket 410 to be extruded and fitted in the inner wall of the limiting seat 42, thereby limiting the base body 2, allowing the base body 2 and the motor shell 1 to be bonded together, achieving precise installation and positioning, when subsequent maintenance is required to separate the motor shell 1 and the base body 2, the glue is first melted, then the handle 453 is rotated, the handle 453 drives the rod body 451 to rotate, the rod body 451 cooperates with the threaded groove 452 to drive the clamping block 48 to move in the sliding groove 49, the clamping block 48 pushes the limiting seat 42, thereby separating the base body 2 and the motor shell 1, without the need to use tools to pry open, improving the overall ease of use.
Claims
1. A new type of voice coil motor limit structure, comprising a base body (2) and a stabilizing device (4), characterized in that: The upper portion of the base body (2) is provided with a motor shell (1), the surface of the motor shell (1) is provided with a through hole (3), the stabilizing device (4) is arranged on the surface of the motor shell (1), the stabilizing device (4) comprises fixing blocks (41), the number of the fixing blocks (41) is two, the two fixing blocks (41) are fixedly connected with the surface of the motor shell (1) respectively, the surface of the base body (2) is fixedly connected with a limiting seat (42), the inner wall of the fixing block (41) is rotatably connected with a rotating rod (43), the surface of the rotating rod (43) is fixedly connected with a rotating ring (44), the surface of the rotating rod (43) is provided with a sliding groove (49), the inner wall of the sliding groove (49) is slidably connected with a clamping block (48), an auxiliary assembly (45) is arranged between the rotating rod (43) and the clamping block (48), and the clamping block (48) is inserted with the inner wall of the limiting seat (42).
2. A novel voice coil motor limit structure according to claim 1, characterized in that: The inner wall of the rotating ring (44) is fixedly connected with a magnetic ring one (46), the inner wall of the fixing block (41) is fixedly connected with a magnetic ring two (47), and the magnetic ring one (46) and the magnetic ring two (47) are magnetically connected.
3. A novel voice coil motor limit structure according to claim 1, characterized in that: The limiting seat (42) is arranged in an arc shape.
4. A novel voice coil motor limit structure according to claim 1, characterized in that: The auxiliary assembly (45) comprises a rod body (451), the rod body (451) is rotatably connected with the inner wall of the rotating rod (43), one end of the rod body (451) extends into the sliding groove (49), the surface of the rod body (451) in the sliding groove (49) is provided with a threaded groove (452), and the threaded groove (452) on the surface of the rod body (451) is screwedly connected with the inner wall of the clamping block (48).
5. A novel voice coil motor limit structure according to claim 4, characterized in that: One end of the rod body (451) is fixedly connected with a handle (453), and the handle (453) is combined by a circular ring and four rectangular plates fixed on the surface of the circular ring.
6. A novel voice coil motor limit structure according to claim 4, characterized in that: The upper and lower surfaces of the clamping block (48) are fixedly connected with gaskets (410) respectively, and the surface of the gasket (410) is provided with a through hole (3) for the rod body (451).
7. A novel voice coil motor limit structure according to claim 2, characterized in that: The magnetic ring one (46) and the magnetic ring two (47) are arranged in the inner walls of the rotating ring (44) and the fixing block (41) respectively, and the magnetic ring two (47) is arranged directly below the magnetic ring one (46).