CN217305634U - Font canceling release mechanical system returns and contains its module and terminal equipment of making a video recording - Google Patents

Abstract

The utility model discloses a return-font reset mechanism, a camera module and a terminal device comprising the same, which comprises a reset magnet and a return-font reset sheet, wherein the reset mechanism can be arranged on an AF driving mechanism or an OIS driving mechanism; the AF driving mechanism and the OIS driving mechanism respectively comprise a stator or a rotor which moves relatively, the return-shaped reset sheet is arranged on one of the rotor or the stator, and the reset magnet corresponding to the return-shaped reset sheet is arranged on the stator or the rotor; the return sheets are divided into a through hole arranged in the center and an eccentric arrangement, and the reset mechanism is arranged in the Z-axis direction of the AF driving mechanism or the OIS driving mechanism is arranged in at least one direction of the X axis and the Y axis. The utility model discloses realize the same power that resets with the narrow piece that resets when can increase the width of piece that resets, increase magnetic conduction piece intensity, reduce the machining precision.

Description

Font canceling release mechanical system returns and contains its module and terminal equipment of making a video recording

Technical Field

The utility model relates to a camera technical field especially indicates a return font canceling release mechanical system and contain its module and terminal equipment of making a video recording.

Background

The optical system is a system for imaging or optical information processing, and can be applied in various fields, for example, in an optical device of a mobile phone camera, a camera or a projection technology, and as the application of the optical system is more extensive, a user can more pursue an optical system with high imaging definition, for this reason, the current optical device can often move to realize an automatic focusing function and an anti-shake function, the AF driving mechanism realizes the automatic focusing function, and the OIS driving mechanism realizes the optical anti-shake function. Specifically, the optical drive includes a stator and a mover, and the optical device is mounted to the mover and moves with the mover relative to the stator.

Reset the piece among the prior art and reset, in order to satisfy the power that resets of demand, the narrower that resets piece width setting leads to the piece that resets to warp easily, and current piece that resets is rectangular shape structure, and its machining tolerance is great to the influence of the power that resets, leads to the machining precision requirement of the piece that resets to require highly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a return font canceling release mechanical system and contain its module and terminal equipment of making a video recording has effectively solved yielding and the high problem of machining precision requirement that the reduction plate width is narrower to lead to among the prior art.

In order to solve the above technical problem, the embodiment of the utility model provides a following scheme:

a return-shaped reset mechanism comprises a reset magnet and a return-shaped reset sheet, wherein the return-shaped reset sheet is provided with a through hole to form a return-shaped structure;

the return-shaped reset sheet is arranged on one of a rotor or a stator of the driving mechanism, and the rotor and the stator can move relatively.

Preferably, the reset mechanism is mounted on the AF drive mechanism, and when the return-shaped reset piece is mounted on the mover, the reset magnet is mounted on the stator; when the return-shaped reset sheet is arranged on the stator, the reset magnet is arranged on the rotor.

Preferably, the reset mechanism is mounted on an OIS driving mechanism, and the OIS driving mechanism comprises a stator and a mover; when the return-shaped reset sheet is arranged on the stator, the reset magnet is arranged on the rotor; when the return-shaped reset sheet is installed on the rotor, the reset magnet is installed on the stator.

Preferably, the through holes of the return-to-square reset plates are arranged in the center; or the through holes of the return sheets are eccentrically arranged.

Preferably, at least two ball mounting grooves are formed in the rotor or the stator, a groove is formed in the rotor, at least one ball is arranged in each ball mounting groove, and the balls support the rotor and the stator to move mutually.

Preferably, a position sensor is mounted on the stator or the mover.

Preferably, an FPC is installed between the reset magnet and the return-letter-shaped reset sheet.

Preferably, a set of reset mechanisms is provided in the Z-axis direction of the AF drive mechanism.

Preferably, the reset mechanism is vertically arranged in both directions of the X-axis and the Y-axis of the OIS driving mechanism.

A camera module comprises an optical device and a return-shaped reset mechanism.

A terminal device comprises the camera module.

The above technical scheme of the utility model at least include following beneficial effect:

in the scheme, compared with the existing reset sheet, the width of the return-shaped reset sheet is increased, meanwhile, the through holes are additionally formed in the return-shaped reset sheet, the reset force same as that of the existing reset sheet can be realized by adjusting the size of the through holes, meanwhile, the strength of the reset sheet can be increased, and the processing precision is reduced;

as shown in fig. 19, Q is a graph of the reset force of the common reset plate, P is a graph of the reset force of the return-back-shaped reset plate, the width of the common reset plate is 0.3cm, the width of the return-back-shaped reset plate is 0.8cm, the graphs of the reset force of the common reset plate and the return-back-shaped reset plate are almost the same, and the same reset force is realized while the processing precision is reduced.

Drawings

Fig. 1 is a top view of the utility model after the casing is removed from the return-type reset mechanism, the camera module comprising the return-type reset mechanism and the AF driving mechanism of the terminal device;

fig. 2 is a front view of the utility model with the shell removed, the camera module comprising the return-type reset mechanism and the AF driving mechanism of the terminal device comprising the return-type reset mechanism;

fig. 3 is a schematic view of the three-dimensional structure of the square-shaped reset mechanism, the camera module comprising the same and the AF driving mechanism of the terminal device of the present invention;

fig. 4 is a schematic structural view of the square-shaped reset mechanism, the camera module comprising the same and the AF driving mechanism of the terminal device after the housing and the FPC are removed;

fig. 5 is an exploded view of the square-shaped reset mechanism of the present invention, the camera module comprising the same, and the AF driving mechanism of the terminal device;

fig. 6 is a schematic structural view of the square-shaped reset mechanism, the camera module comprising the same, and the OIS driving mechanism of the terminal device after the stator, the housing, and the guide are removed;

fig. 7 is a schematic structural view of the clip-shaped reset mechanism, the camera module comprising the same, and the OIS driving mechanism of the terminal device after the stator and the housing are removed;

fig. 8 is an exploded view of the square-shaped reset mechanism of the present invention, and the image pickup module and the OIS driving mechanism of the terminal device including the same;

fig. 9 is a schematic cut-away view of the square-shaped return mechanism, the camera module including the return mechanism, and the OIS driving mechanism of the terminal device of the present invention;

fig. 10 is a front view of the square-shaped return mechanism of the present invention, the camera module including the return mechanism, and the OIS driving mechanism of the terminal device;

FIG. 11 is an enlarged view at Z in FIG. 10;

fig. 12 is a schematic structural diagram of a stator of the OIS driving mechanism of the square-shaped reset mechanism, the camera module including the square-shaped reset mechanism, and the terminal device of the present invention;

fig. 13 is a second schematic structural diagram of the stator of the OIS driving mechanism of the square-shaped return mechanism, the camera module including the return mechanism, and the terminal device of the present invention;

fig. 14 is a schematic structural view of the guiding member of the square-shaped return mechanism of the present invention, the camera module including the return mechanism, and the OIS driving mechanism of the terminal device;

fig. 15 is a first structural schematic view of an AF movable member of the square-shaped reset mechanism of the present invention, the camera module including the same, and the OIS driving mechanism of the terminal device;

fig. 16 is a structural schematic diagram of an AF movable element of the square-shaped reset mechanism, the camera module including the same, and the OIS driving mechanism of the terminal device of the present invention;

fig. 17 is a schematic view of the return-back-shaped reset mechanism of the present invention, and the image pickup module and the OIS driving mechanism of the terminal device including the return-back-shaped reset mechanism;

fig. 18 is a schematic structural view of the return-font reset mechanism of the present invention, the camera module and the terminal device including the return-font reset mechanism;

fig. 19 is a reset force curve diagram of the return-font reset mechanism of the present invention, the camera module comprising the same, and the common reset mechanism and return-font reset mechanism of the terminal device;

fig. 20 is a schematic structural view of the return-shaped reset mechanism of the present invention, the camera module including the return-shaped reset mechanism, and the through hole of the terminal device, wherein the reset mechanism is arranged in the middle;

fig. 21 is a schematic structural view of the return-font reset mechanism of the present invention, the camera module comprising the return-font reset mechanism, and the through-hole eccentrically-arranged reset mechanism of the terminal device;

fig. 22 is a schematic diagram of torque generated by the through hole eccentric arrangement reset mechanism of the square-shaped reset mechanism, the camera module comprising the same, and the AF drive mechanism of the terminal device according to the present invention.

Reference numerals:

1. a housing; 2. a mover; 3. a reset magnet; 4. a magnet; 5. a magnetic conductive sheet; 6. a ball bearing; 7. a ball mounting groove; 8. a groove; 9. a drive coil; 10. a position sensor; 11. a return-font reset sheet; 12. FPC; 13. a stator;

a1 and a second guide hole; a2, OIS ball mounting groove; a3, an AF ball mounting groove I; B. an AF component; b1, AF magnet; b2, AF coil; b3, AF moving piece, B4 and AF ball mounting groove II; b5, AF balls; b6, AF magnetite mounting groove; b7, ball mounting grooves; b8, spinning grooves; C. an OIS component; c1, magnetite OIS; c2, OIS coil; c3, OIS mover; c4, a first guide hole; c5, OIS balls; c6, a mover; D. a guide member; d1, a guide pillar I; d2, a guide post II; E. a sensor; G. a stator II; I. a magnetic conductive member; q, a graph of a resetting force of the common resetting plate; p, return the reset force curve chart of the piece of the font of returning.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1 and 22, the present embodiment provides a clip-type reset mechanism, which can be mounted on an AF drive mechanism and an OIS drive mechanism, and an imaging module and a terminal device including the same.

As shown in fig. 18 to 21, a return-to-back reset mechanism includes a reset magnet 3 and a return-to-back reset plate 11, and the return-to-back reset plate 11 has a through hole to form a return-to-back structure.

As shown in fig. 20 to 21, the return plate having a zigzag shape is divided into a through hole centrally disposed and a through hole eccentrically disposed.

As shown in fig. 19, under the same stroke, the return force generated by the return-shaped reset plate is substantially the same as that generated by the common reset plate, and the width of the return-shaped reset plate is increased, and the return-shaped reset plate and the narrow reset plate achieve the same reset effect after the through holes are added.

A camera module comprises an optical device and a return-shaped reset mechanism.

The terminal equipment comprises the camera module.

The first embodiment is as follows:

as shown in fig. 1 to 5 and 22, the zigzag reset mechanism is mounted on the AF drive mechanism.

The AF driving mechanism comprises a rotor 2 and a stator 13 which can move relatively, when the return sheet 11 is arranged on the rotor 2, the reset magnet 3 is arranged on the stator 13; when the return-back-shaped reset sheet 11 is arranged on the stator 13, the reset magnet 3 is arranged on the rotor 2; the rotor 2 is provided with two ball mounting grooves 7 and a groove 8, at least one ball 6 is arranged in each ball mounting groove 7, and the ball 6 supports the rotor 2 to move relatively on the stator 13. The shell 1 is covered above the stator 13 and the rotor 2, and all parts of the return-shaped reset mechanism are covered in the shell 1.

As shown in fig. 22, when the magnet 4 is installed in the groove 8 of the mover 2, the magnetic conductive sheet 5 is disposed at the corresponding position of the stator 13, and when the magnetic conductive sheet 5 is installed in the groove 8 of the mover 2, the magnet 4 is disposed at the corresponding position of the stator 13; the magnet 4 and the magnetic conductive sheet 5 form a magnetic attraction mechanism, the reset mechanism with the eccentric arrangement of the through hole can realize different suction forces at two ends of the reset magnet 3, and the combination of the opposite side magnetic attraction mechanism realizes clockwise torque.

A position sensor 10 is mounted on the stator 13 or the mover 2, and the position sensor 10 can detect a change in the relative position between the mover 2 and the stator 13. The stator 13 is provided with an FPC12, the FPC12 is arranged between the reset magnet 3 and the return-shaped reset sheet 11, the FPC is provided with a driving coil 9, and the reset magnet 3 simultaneously plays a role of driving the magnet and is used for driving the rotor to move.

A return-shaped reset mechanism is arranged in the Z-axis direction of the AF driving mechanism, and Z-axis reset is achieved. The reset magnet 3 and the return-shaped reset sheet 8 act together to generate magnetic attraction, so that the AF driving mechanism assembly and the optical device are reset.

Example two

As shown in fig. 6 to 17, the zigzag-shaped reset mechanism is mounted on the OIS driving mechanism, and includes a stator 13, an AF component B, and two sets of OIS components C; the AF component B is arranged on a guide groove formed by an AF coil B2 directly or indirectly fixed on the stator 13 and an AF magnet B1 arranged on an AF moving part B3, the AF moving part B3 is positioned on the inner side of the stator 13, an AF ball mounting groove I A3 is arranged on the stator 13, an AF ball mounting groove II B4 is arranged on the AF moving part B3, and an AF ball B5 is arranged in a guide groove formed by the AF ball mounting groove I A3 and the AF ball mounting groove II B4; two groups of OIS components C are respectively arranged at two adjacent sides of the stator 13, each group of OIS components C comprises an OIS coil C2 and an OIS magnet C1 which are directly or indirectly fixed on the stator 13, two groups of OIS magnets C1 are arranged on the OIS movable component, a first guide hole C4 is arranged on the OIS movable component in one group of OIS components C, a second guide hole A1 is arranged on one side of the other group of OIS components C on the stator 13, a first guide pillar D1 and a second guide pillar D2 at the bottom of the guide part D are respectively inserted into the first guide hole C4 and the second guide hole A1, a first guide pillar D1 can move in the first guide hole C4, a second guide pillar C2 can move in the second guide hole A1, and the OIS movable component can move in two directions in a plane. The AF coil B2 is matched with an AF magnet B1 for use, and the OIS coil C2 is matched with an OIS magnet C1 for use, and a double-magnetic structure is adopted; the AF coil B2 and the OIS coil C2 of the implementation are fixed on the stator 13, the AF magnet B1 and the OIS magnet C1 move and are driven by moving magnets, the OIS drive is realized by the overall structure of the implementation, and the drive precision is high; the AF coil B2 and the AF magnet B1 move, and the guiding is realized by the guiding groove formed by the AF ball mounting groove I A3 on the stator 13, the AF ball mounting groove II B4 on the AF moving piece B3 and the AF ball B5, so that the AF magnet B1 drives the AF moving piece B3 to move along the Z direction; the OIS coil C2 and the OIS magnet C1 move, two groups of OIS assemblies C which are arranged adjacently are adopted, wherein one group of OIS assemblies C realizes the movement in the X direction, the other group of OIS assemblies C realizes the movement in the Y direction, and the OIS movable member assembly moves in the X, Y direction by utilizing a first guide hole C4 on an OIS moving magnet in one group of OIS assemblies C, a second guide hole A1 on the stator 1, a first guide post D1 on the guide member D and a second guide post D2; by utilizing the design of the first guide hole D4, the second guide hole A1, the guide piece D, the first guide column D1 and the second guide column D2, the OIS movable piece assembly and the stator 13 are positioned below the guide piece D, the movable piece and the stator 1 are skillfully positioned below the guide piece D at the same time, namely the guide piece D is positioned on a plane, the movable piece and the stator 13 are positioned on a plane, the assembly space is reduced, and the overall size is reduced.

As shown in fig. 6, specifically, the first guide hole C4 and the second guide hole a1 are kidney-shaped holes. The stator 13 is provided with two guide holes two A1, and the OIS moving magnet is provided with two guide holes one C4.

The AF movable part B3 and the stator 13 are respectively provided with a spinning magnet and a magnetic conductive part I, the spinning magnet on the AF movable part B3 is matched with the spinning magnet on the magnetic conductive part I on the stator 13, specifically, as shown in fig. 15 to 16, a spinning groove B8 is provided on the AF movable part B3, the spinning magnet is installed in the spinning groove B8, the spinning magnet is matched with the spinning magnet on the magnetic conductive part I on the stator 13 to generate a magnetic force, and the magnetic force range includes the opposite surface and the side surface of the spinning magnet and the magnetic conductive part I. The OIS driving mechanism of the embodiment utilizes AF rotary preloading, and utilizes two magnet structures, one of which is an AF coil B2 and an AF magnet B1, an AF coil B2 is electrified, and an AF coil B2 and an AF magnet B1 form electromagnetic force driving; the other one is a spinning magnet in the spinning groove B8 and a magnetic conduction member I spinning magnet on the stator 13, and the electromagnetic force generated by the AF magnet B1 and the electromagnetic force generated by the spinning magnet and the magnetic conduction member I form moment to rotationally pre-press the AF moving member B3. An AF magnet mounting groove B6 is provided on one side surface of the AF mover B3, an AF magnet B1 is mounted in the AF magnet mounting groove B6, and a spinning groove B8 is provided on the side surface of the AF mover B3 opposite to the AF magnet mounting groove B6.

Specifically, a plurality of AF balls B5 are vertically installed in sequence in the guide grooves. The AF mover B3 is provided with a ball mounting groove B7, and an AF ball B5 is mounted in the ball mounting groove B7.

As shown in fig. 6 to 9 and 17, the OIS magnet C1 is provided with a reset magnet 3, and the stator two G is attached with a return-spring-shaped reset piece 11. The reset magnet 3 and the return-shaped reset sheet 8 act together to generate magnetic force, so that the OIS movable piece assembly is reset. A group of return-shaped reset mechanisms are arranged in the X-axis direction and the Y-axis direction of the OIS driving mechanism and are vertically arranged, so that double-axis reset of the X-axis and the Y-axis is realized.

As shown in fig. 10 to 11, the OIS assembly C further includes OIS balls C5, and OIS balls C5 are installed between the bottoms of both sides of the stator 13 on which the two sets of OIS assemblies C are installed and the OIS mover assemblies. Specifically, at least three OIS ball mounting grooves B2 are formed in the bottom ends of the two side edges of the stator 13 where the two sets of OIS assemblies C are mounted. Specifically, as shown in fig. 12 to 13, OIS ball mounting grooves B2 are respectively provided at three corners of the bottom end of the stator 13, and OIS balls C5 are mounted in the OIS ball mounting grooves B2.

As shown in fig. 8, the OIS driving mechanism further includes a housing 1 and a stator two G covering the housing 1, and the stator 13, the AF module B and the two sets of OIS modules C are integrated in the housing 1.

As shown in fig. 6 to 8 and 17, the OIS mover assembly further includes a concave mover D6, an OIS magnet C1 is mounted in the mover D6, and an OIS mover C3 is mounted at the bottom of the mover D6. The top of the mover D6 is provided with a first guide hole C4, the top of the mover D6 is provided with a reset magnet 3, the bottom of the stator II G is provided with a return-shaped reset sheet 11, and the reset magnet 3 and the return-shaped reset sheet 11 are attracted by magnetic force.

The mover D6 of the present embodiment is mounted in the OIS mover C3, a first guide hole C4 is provided on the top of the OIS mover C3, and the reset magnet 3 is mounted on the top of the OIS mover C3.

The OIS mover assembly of this embodiment further includes an OIS mover auxiliary, an OIS mover C3 is mounted at the bottom of the mover D6, an OIS mover auxiliary is mounted at the top of the mover D6, a first guide hole C4 is provided at the top of the OIS mover auxiliary, and a reset magnet 3 is mounted at the top of the OIS mover auxiliary.

The utility model provides a pair of return font canceling release mechanical system and contain its module and terminal equipment technical effect of making a video recording are, return font canceling release mechanical system and compare in ordinary piece that resets and increased the width, increase the through-hole in inside simultaneously, through adjustment through-hole size, can realize the power of resetting the same with narrow piece that resets, can increase the intensity of magnetic conductive plate simultaneously, reduce machining precision and non-deformable.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (11)

1. A Chinese character 'hui' shaped reset mechanism is characterized by comprising a reset magnet and a Chinese character 'hui' shaped reset sheet, wherein the Chinese character 'hui' shaped reset sheet is provided with a through hole to form a Chinese character 'hui' shaped structure;

the return-shaped reset sheet can be arranged on one of a rotor or a stator of the driving mechanism, and the rotor and the stator can move relatively.

2. The clip-type reset mechanism according to claim 1, wherein the reset mechanism is mounted on an AF drive mechanism, and when the clip-type reset piece is mounted on the mover, the reset magnet is mounted on the stator; when the return-shaped reset sheet is arranged on the stator, the reset magnet is arranged on the rotor.

3. The glyph reset mechanism of claim 1 wherein the reset mechanism is mounted on an OIS actuator, the OIS actuator comprising a stator and a mover; when the return-shaped reset sheet is arranged on the stator, the reset magnet is arranged on the rotor; when the return-shaped reset sheet is arranged on the rotor, the reset magnet is arranged on the stator.

4. The clip-type reset mechanism according to claim 1, wherein the through-holes of the clip-type reset plate are centrally arranged; or the through holes of the return sheets are eccentrically arranged.

5. The square-shaped reset mechanism according to claim 1, wherein at least two ball mounting grooves are formed on the mover or the stator, the mover is provided with a groove, at least one ball is disposed in the ball mounting groove, and the ball supports the mover and the stator to move relative to each other.

6. The return-type reset mechanism according to claim 1, wherein a position sensor is mounted on the stator or the mover.

7. The square-shaped reset mechanism according to claim 1, wherein an FPC is mounted between the reset magnet and the square-shaped reset sheet.

8. The square-wave reset mechanism of claim 2, wherein a set of reset mechanisms is provided in the Z-axis direction of the AF driving mechanism.

9. The clip-type restoring mechanism according to claim 3, wherein the restoring mechanism is disposed vertically in both directions of the X-axis and the Y-axis of the OIS driving mechanism.

10. A camera module comprising an optical device and the return-to-shape reset mechanism of any one of claims 1-9.

11. A terminal device characterized by comprising the camera module according to claim 10.

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