CN210201692U - Elastic sheet for voice coil motor - Google Patents
Elastic sheet for voice coil motor Download PDFInfo
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- CN210201692U CN210201692U CN201921269191.6U CN201921269191U CN210201692U CN 210201692 U CN210201692 U CN 210201692U CN 201921269191 U CN201921269191 U CN 201921269191U CN 210201692 U CN210201692 U CN 210201692U
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Abstract
The utility model discloses a spring plate for a voice coil motor, which comprises an inner frame, a first outer frame and a second outer frame; the first outer frame, the second outer frame and the inner frame are connected into a whole by clamping the elastic clamping block with the concave caulking groove, and the motor can be prevented from interfering with other parts when moving or performing reliability verification by adopting a disconnected independent arrangement structure of the first outer frame, the second outer frame and the inner frame; an installation empty groove is formed between the first outer frame and the inner frame, and an elastic shaft is arranged in the installation empty groove; the elastic shaft is of an S-shaped bending structure, so that the space required by the layout of the elastic shaft is reduced; the bottom end of the elastic shaft is connected to the outer side of the inner frame; the elastic shaft outer side section is provided with a plurality of evenly distributed's arc extension stretch yarn, and arc extension stretch yarn end-to-end connection is inboard to first frame and second frame, adds arc extension stretch yarn and connects inside casing and frame, prevents that the shell fragment from appearing warping badly in process of production, reduces the camera lens operation and appears inclining badly.
Description
Technical Field
The utility model relates to a voice coil motor field specifically is a shell fragment for voice coil motor.
Background
A voice coil motor is a special form of direct drive motor. The device has the characteristics of simple structure, small volume, high speed, high acceleration response speed and the like. The principle of operation is that a coil (conductor) with a current placed in a magnetic field generates a force whose magnitude is proportional to the current applied to the coil. Because voice coil motor, have simple structure, small, low energy consumption, noiselessness, high acceleration, response speed are fast, the displacement is accurate and advantage such as low price, so to camera automatic focusing device at present, voice coil motor structure automatic focusing still is the mode that the price/performance ratio is the highest. The optical lens is fixed on a rotor wire frame of the voice coil motor, the rotor is used as a power unit for lens movement, the rotor wire frame of the voice coil motor is connected with the stator through the elastic sheet pair, when the motor is electrified, the rotor wire frame linearly moves along the optical axis direction of the lens, and therefore the automatic focusing function is achieved, and the elastic sheet pair has the effect of accelerating the driving/reduction change speed of the voice coil motor. However, the elastic sheet pair in the prior art usually only comprises a plurality of simple elastic arms, the elastic force of the elastic arms is small, and the rotor part is easy to deflect relative to the stator part, so that the difficulty of assembling the voice coil motor is increased, and the assembling speed is influenced. In addition, when the voice coil motor is used, the rotor portion is easy to rotate or shake relative to the stator portion in the front-back direction of linear motion, and the voice coil motor is used for driving the lens, so that the imaging quality is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elastic sheet for voice coil motor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a spring plate for a voice coil motor comprises an inner frame, a first outer frame and a second outer frame; cut-off slots are formed in two sides of the inner frame, miniature springs are arranged in the cut-off slots, and fixing shafts are arranged on the outer sides of the cut-off slots; the other two sides of the inner frame are provided with concave caulking grooves, the inner sides of the first outer frame and the second outer frame are provided with elastic clamping blocks corresponding to the concave caulking grooves, the first outer frame and the second outer frame are connected with the inner frame into a whole through the clamping of the elastic clamping blocks and the concave caulking grooves; an installation empty groove is formed between the first outer frame and the inner frame, and an elastic shaft is arranged in the installation empty groove; the elastic shaft is of an S-shaped bending structure, and the bottom end of the elastic shaft is connected to the outer side of the inner frame; the outer side section of the elastic shaft is provided with a plurality of arc-shaped extending elastic wires which are uniformly distributed, and the tail ends of the arc-shaped extending elastic wires are connected to the inner sides of the first outer frame and the second outer frame.
Preferably, the first outer frame and the second outer frame are identical in structure and size, convex arc-shaped edges are arranged on two sides of the first outer frame and two sides of the second outer frame, and an installation empty groove is formed between the arc-shaped edges and the outer edge of the inner frame.
Preferably, the bottom sides of the first outer frame and the second outer frame are provided with elastic connecting strips, and the tail ends of the elastic connecting strips are connected to the inner frame.
Preferably, four corners of the inner frame are provided with continuous arc-shaped grooves corresponding to the elastic shaft, and protruded fixed points on the elastic shaft are provided with adhesive points which are connected with the continuous arc-shaped grooves through the adhesive points.
Preferably, the arc-shaped extension elastic wires are radially distributed on the outer side of the elastic shaft, and the bending radian of the arc-shaped extension elastic wires is outwards convex.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and strong practicability, and compared with the prior art, the utility model adopts simpler structure to achieve better effect, thereby reducing the production cost and the process difficulty; the first outer frame, the second outer frame and the inner frame are connected into a whole by clamping the elastic clamping block with the concave caulking groove, and the motor can be prevented from interfering with other parts when moving or performing reliability verification by adopting a disconnected independent arrangement structure of the first outer frame, the second outer frame and the inner frame; an installation empty groove is formed between the first outer frame and the inner frame, and an elastic shaft is arranged in the installation empty groove; the elastic shaft is of an S-shaped bending structure, so that the space required by the layout of the elastic shaft is reduced; the bottom end of the elastic shaft is connected to the outer side of the inner frame; the elastic shaft outer side section is provided with a plurality of evenly distributed's arc extension stretch yarn, and arc extension stretch yarn end-to-end connection is inboard to first frame and second frame, adds arc extension stretch yarn and connects inside casing and frame, prevents that the shell fragment from appearing warping badly in process of production, reduces the camera lens operation and appears inclining badly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an inner frame; 2. cutting off the slot; 3. a micro-spring; 4. a fixed shaft; 5. an inward concave caulking groove; 6. an elastic clamping block; 7. a first outer frame; 8. a second outer frame; 9. mounting an empty groove; 10. an elastic shaft; 11. the arc extends the elastic wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a shrapnel for a voice coil motor comprises an inner frame 1, a first outer frame 7 and a second outer frame 8; cut-off slots 2 are formed in two sides of the inner frame 1, miniature springs 3 are arranged in the cut-off slots 2, and fixed shafts 4 are arranged on the outer sides of the cut-off slots 2; the other two sides of the inner frame 1 are provided with concave caulking grooves 5, the inner sides of the first outer frame 7 and the second outer frame 8 are provided with elastic clamping blocks 6 corresponding to the concave caulking grooves 5, the first outer frame 7 and the second outer frame 8 are connected with the inner frame 1 into a whole through the clamping of the elastic clamping blocks 6 and the concave caulking grooves 5; an installation empty groove 9 is formed between the first outer frame 7 and the inner frame 1 and between the second outer frame 8 and the inner frame 1, and an elastic shaft 10 is arranged in the installation empty groove 9; the elastic shaft 10 is of an S-shaped bending structure, and the bottom end of the elastic shaft 10 is connected to the outer side of the inner frame 1; the outer side section of the elastic shaft 10 is provided with a plurality of arc-shaped extension elastic wires 11 which are uniformly distributed, and the tail ends of the arc-shaped extension elastic wires 11 are connected to the inner sides of the first outer frame 7 and the second outer frame 8.
Furthermore, the first outer frame 7 and the second outer frame are identical in structure and size, convex arc-shaped edges are arranged on two sides of the first outer frame 7 and two sides of the second outer frame 8, and an installation empty groove is formed between each arc-shaped edge and the outer edge of the inner frame 1.
Further, the bottom sides of the first outer frame 7 and the second outer frame 8 are provided with elastic connecting strips, and the tail ends of the elastic connecting strips are connected to the inner frame 1.
Furthermore, four corners of the inner frame 1 are provided with continuous arc-shaped grooves corresponding to the elastic shaft 10, and convex fixed points on the elastic shaft 10 are provided with adhesive dots connected with the continuous arc-shaped grooves through the adhesive dots.
Further, the arc-shaped extension elastic wires 11 are radially distributed on the outer side of the elastic shaft 10, and the arc-shaped extension elastic wires 11 are outwards convex in curvature.
The working principle is as follows: cut-off slots 2 are arranged on two sides of the inner frame 1, miniature springs 3 are arranged in the cut-off slots 2, and fixed shafts 4 are arranged on the outer sides of the cut-off slots 2; the other two sides of the inner frame 1 are provided with the inwards concave caulking grooves 5, the inner sides of the first outer frame 7 and the second outer frame 8 are provided with elastic clamping blocks 6 corresponding to the inwards concave caulking grooves 5, the first outer frame 7 and the second outer frame 8 are connected with the inner frame 1 into a whole through the clamping of the elastic clamping blocks 6 and the inwards concave caulking grooves 5, and the disconnected independent arrangement structure of the first outer frame 7, the second outer frame 8 and the inner frame 1 is adopted, so that the motor can be prevented from interfering with other parts when moving or performing reliability verification; an installation empty groove 9 is formed between the first outer frame 7 and the inner frame 1 and between the second outer frame 8 and the inner frame 1, and an elastic shaft 10 is arranged in the installation empty groove 9; the elastic shaft 10 is of an S-shaped bending structure, so that the space required by the layout of the elastic shaft 10 is reduced; the bottom end of the elastic shaft 10 is connected with the outer side of the inner frame 1; the section of 10 outsides of elastic shaft is provided with a plurality of evenly distributed's arc and extends elastic wire 11, and 11 end-to-end connection to first frame 7 and 8 inboards of second frame are extended to the arc, add arc and extend elastic wire 11 and connect inside casing and frame, prevent that the shell fragment from appearing warping badly in process of production, reduce the camera lens operation and appear inclining badly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an elastic sheet for voice coil motor which characterized in that: comprises an inner frame (1), a first outer frame (7) and a second outer frame (8); cutoff slots (2) are arranged on two sides of the inner frame (1), miniature springs (3) are arranged in the cutoff slots (2), and fixed shafts (4) are arranged on the outer sides of the cutoff slots (2); the other two sides of the inner frame (1) are provided with inwards concave caulking grooves (5), the inner sides of the first outer frame (7) and the second outer frame (8) are provided with elastic clamping blocks (6) corresponding to the inwards concave caulking grooves (5), the first outer frame (7) and the second outer frame (8) are clamped with the inwards concave caulking grooves (5) through the elastic clamping blocks (6), and the inner frame (1) is connected with the first outer frame (7) and the second outer frame (8) into a whole; an installation empty groove (9) is formed between the first outer frame (7) and the inner frame (1) and between the second outer frame (8) and the inner frame (1), and an elastic shaft (10) is arranged in the installation empty groove (9); the elastic shaft (10) is of an S-shaped bending structure, and the bottom end of the elastic shaft (10) is connected to the outer side of the inner frame (1); the outer side section of the elastic shaft (10) is provided with a plurality of arc-shaped extension elastic wires (11) which are uniformly distributed, and the tail ends of the arc-shaped extension elastic wires (11) are connected to the inner sides of the first outer frame (7) and the second outer frame (8).
2. A striking plate for a voice coil motor according to claim 1, wherein: the first outer frame (7) and the second outer frame are identical in structure and size, convex arc-shaped edges are arranged on two sides of the first outer frame (7) and two sides of the second outer frame (8), and installation empty grooves are formed between the arc-shaped edges and the outer edge of the inner frame (1).
3. A striking plate for a voice coil motor according to claim 1, wherein: the bottom sides of the first outer frame (7) and the second outer frame (8) are provided with elastic connecting strips, and the tail ends of the elastic connecting strips are connected to the inner frame (1).
4. A striking plate for a voice coil motor according to claim 1, wherein: four corners of the inner frame (1) are provided with continuous arc-shaped grooves corresponding to the elastic shafts (10), and convex fixed points on the elastic shafts (10) are provided with adhesive spots which are connected with the continuous arc-shaped grooves through the adhesive spots.
5. A striking plate for a voice coil motor according to claim 1, wherein: the arc-shaped extension elastic wires (11) are radially distributed on the outer side of the elastic shaft (10), and the bending radian of the arc-shaped extension elastic wires (11) is outwards convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269191.6U CN210201692U (en) | 2019-08-06 | 2019-08-06 | Elastic sheet for voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269191.6U CN210201692U (en) | 2019-08-06 | 2019-08-06 | Elastic sheet for voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201692U true CN210201692U (en) | 2020-03-27 |
Family
ID=69865805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269191.6U Active CN210201692U (en) | 2019-08-06 | 2019-08-06 | Elastic sheet for voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201692U (en) |
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2019
- 2019-08-06 CN CN201921269191.6U patent/CN210201692U/en active Active
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