CN218213708U

CN218213708U - Sliding type anti-shake mechanism

Info

Publication number: CN218213708U
Application number: CN202222717133.3U
Authority: CN
Inventors: 胡哲斌; 程韦翔; 叶健忠; 张诏钧
Original assignee: SAE Magnetics HK Ltd
Current assignee: SAE Magnetics HK Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-03
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a camera equipment's technical field provides a slidingtype anti-shake mechanism, include: the lens holder comprises a base with a sliding plane, a lens holder, an elastic tensioning piece and at least three supporting pieces arranged on the lens holder; the lens bracket is arranged on the sliding plane in a sliding manner through at least three supporting pieces; one end of the elastic tensioning piece is connected to the lens support, and the other end of the elastic tensioning piece is connected to the base.

Description

Sliding type anti-shake mechanism

Technical Field

The utility model belongs to the technical field of camera equipment, more specifically say, relate to a slidingtype anti-shake mechanism.

Background

Photographing devices, such as mobile phones, have become indispensable electronic devices in life. A user may easily shake during shooting, and an optical device (such as a lens in a mobile phone) in the shooting device may generate image shake during the shaking. To reduce the overall wobble of the optics, the optics typically require that a portion of the wobble of the shot be corrected by moving the lens holder along a predetermined plane (typically the optics are mounted on a lens holder that is typically slidably mounted on a base and movable relative to the base along the predetermined plane. In order to slide the lens holder along a predetermined plane, the lens holder is usually arranged on a predetermined plane by a ball. Please refer to the chinese invention patent (publication No. CN111839917A; published as 2021.07.30) with the subject name of "electric wheelchair"), the lens holder moves along a plane perpendicular to the optical axis through the balls, the lens holder is connected with the magnets, the lower cover is provided with the iron sheet, the magnets and the iron sheet attract each other, so that the lens holder and the moving plane keep stable relative positions, the number of the balls is large, and the balls need to be ensured to be stable at initial positions during assembly, and the balls cannot roll freely during assembly, which results in difficult assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slidingtype anti-shake mechanism to there is the technical problem who makes the camera lens pass through the structure assembly difficulty that the ball removed along predetermined plane among the solution prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a sliding type anti-shake mechanism including: the lens holder comprises a base with a sliding plane, a lens holder, an elastic tensioning piece and at least three supporting pieces arranged on the lens holder; the lens bracket is arranged on the sliding plane in a sliding manner through at least three supporting pieces; one end of the elastic tensioning piece is connected to the lens support, and the other end of the elastic tensioning piece is connected to the base.

Further, the elastic tension member includes: a first elastic ring and a second elastic ring located inside the first elastic ring; the second elastic ring is fixed on the lens bracket, and the first elastic ring is fixed on the base; the first elastic ring and the second elastic ring are arranged at intervals, and the first elastic ring and the second elastic ring are connected through an elastic strip.

Further, the number of the elastic strips is multiple.

Further, the number of the elastic strips is four; two of the elastic strips extend along a first straight line extension direction, and the other two elastic strips extend along a second straight line extension direction; the first linear extending direction and the second linear extending direction are perpendicular to each other; the first linear extending direction and the second linear extending direction are respectively arranged in parallel with the sliding plane.

Further, the supporting member is bonded to the lens holder through an adhesive layer.

Further, the support is cylindrical.

Further, one end face of the supporting piece abuts against the sliding plane.

Further, any two of the supporting pieces are respectively arranged at intervals between the projections of the supporting pieces on the sliding plane.

Further, still include: and the driver is arranged on the base and used for driving the lens bracket to slide along the sliding plane.

Further, the support member is: a lubricating sheet; the lubrication type sheet body is arranged between the base and the lens support; the lubricating sheet body is fixed on the lens support and is in butt joint with the sliding plane in a sliding manner.

The utility model provides a slidingtype anti-shake mechanism's beneficial effect lies in: compared with the prior art, the sliding type anti-shake mechanism provided by the utility model has the advantages that the base is provided with the sliding plane, the lens bracket is provided with at least three supporting pieces, the lens bracket is supported and arranged on the sliding plane in a sliding way through the at least three supporting pieces, and the at least three supporting pieces support the lens bracket, so that the lens bracket can be kept stable in the sliding process along the sliding plane; the lens bracket and the base are tensioned through an elastic tensioning piece; the lens bracket can slide relatively along the sliding plane through the matching of the at least three supporting pieces and the elastic tensioning piece, the structure is very simple, and the assembly is convenient; the elastic tensioning piece pulls the lens bracket to the base so as to enable the supporting piece to be kept in butt joint with the sliding plane.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective exploded view of a sliding anti-shake mechanism according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a lens holder according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is a schematic front view of an elastic tension member according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a sliding type anti-shake mechanism according to an embodiment of the present invention;

fig. 6 is a schematic top view of the sliding type anti-shake mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view taken along line B-B in FIG. 6;

fig. 8 is an enlarged schematic view of C in fig. 7.

Wherein, in the figures, the respective reference numerals:

1-a base; 11-sliding plane; 2-a lens holder; 3-an elastic tension member; 31-a first elastic ring; 32-a second elastic ring; 33-an elastic strip; 4-a support; 5-a driver; d1-a first linear extension direction; d2-second linear extension direction.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that in the description of the embodiments of the present application, "/" indicates an OR meaning unless otherwise stated, for example, A/B may indicate A or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Wherein, A and B can be singular or plural respectively.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 8, the sliding type anti-shake mechanism of the present invention will now be described. Slidingtype anti-shake mechanism includes: a base 1 with a sliding plane 11, a lens holder 2, an elastic tensioning member 3, and at least three support members 4 arranged on the lens holder 2; the lens holder 2 is arranged on the sliding plane 11 in a sliding way through at least three supporting pieces 4; one end of the elastic tensioning piece 3 is connected to the lens bracket 2, and the other end of the elastic tensioning piece 3 is connected to the base 1.

Thus, the base 1 has a sliding plane 11, the lens holder 2 is provided with at least three supporting members 4, the lens holder 2 is supported and slidably arranged on the sliding plane 11 through the at least three supporting members 4, and the at least three supporting members 4 support the lens holder 2, so that the lens holder 2 is kept stable in the sliding process along the sliding plane 11; the lens bracket 2 and the base 1 are tensioned by an elastic tensioning piece 3; namely, the lens bracket 2 can relatively slide along the sliding plane 11 through the matching of at least three supporting pieces 4 and the elastic tensioning piece 3, the structure is very simple, and the assembly is convenient; wherein the elastic tension member 3 pulls the lens holder 2 towards the base 1 so as to keep the supporting member 4 in abutment with the sliding plane 11 (in one embodiment, it is assumed that the elastic tension member 3 generates a predetermined tension force on the lens holder 2, the predetermined tension force is towards the sliding plane 11, and an angle between the predetermined tension force and the sliding plane 11 is sixty degrees to ninety degrees). In one embodiment, after the lens holder 2 slides along the sliding plane 11 under the action of the external force and deviates from the initial position, the lens holder 2 can be restored to the initial position by the elastic tension member 3 after the external force is removed.

In one embodiment, the optics are arranged on the lens holder 2 with the optical axis of the optics arranged perpendicular to the sliding plane 11.

In one embodiment, the optical device is a lens of a cell phone.

In one embodiment, in the projection plane of the sliding plane 11, the projections of at least three of the supporting members 4 on the sliding plane 11 may be sequentially connected to form a predetermined triangle. In one embodiment, the predetermined triangle is an acute triangle.

In one embodiment, the elastic tension member 3 is a metal spring. In one embodiment, the elastic tension member 3 is a rubber member.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding type anti-shake mechanism provided by the present invention, the elastic tensioning member 3 includes: a first elastic ring 31 and a second elastic ring 32 located inside the first elastic ring 31; the second elastic ring 32 is fixed on the lens holder 2, and the first elastic ring 31 is fixed on the base 1; the first elastic ring 31 and the second elastic ring 32 are arranged at intervals, and the first elastic ring 31 and the second elastic ring 32 are connected by an elastic strip 33. In this way, the lens holder 2 is sequentially tightened to the base 1 by the first elastic ring 31, the elastic strip 33, and the second elastic ring 32.

In one embodiment, the first elastic ring 31 is a circular ring. In one embodiment, the second resilient ring 32 is a circular ring. In one embodiment, the first elastic ring 31 and the second elastic ring 32 are coaxially arranged.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding anti-shake mechanism of the present invention, the number of the elastic strips 33 is multiple. In this manner, the plurality of elastic strips 33 may pull the first elastic ring 31 and the second elastic ring 32 from a plurality of positions.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding type anti-shake mechanism of the present invention, the number of the elastic strips 33 is four; two of the elastic strips 33 extend along a first linear extending direction D1, and the other two elastic strips 33 extend along a second linear extending direction D2; the first straight extending direction D1 and the second straight extending direction D2 are arranged perpendicular to each other; the first and second linear extension directions D1 and D2 are respectively arranged parallel to the sliding plane 11. Thus, two of the elastic strips 33 can extend and contract in the first linear extending direction D1 for the lens holder 2 to adjust the position in the first linear extending direction D1, and the other two elastic strips 33 can extend and contract in the second linear extending direction D2 for the lens holder 2 to adjust the position in the second linear extending direction D2. One end of each elastic strip 33 is connected to the first elastic ring 31, and the other end of each elastic strip 33 is connected to the second elastic ring 32.

Further, please refer to fig. 1 to 8, which are specific embodiments of the sliding anti-shake mechanism according to the present invention, the supporting member 4 is adhered to the lens holder 2 through an adhesive layer. Thus, fixing the support 4 is very convenient.

In one embodiment, the support 4 is glued to the lens holder 2 by means of glue. In one embodiment, the support member 4 is bonded to the lens holder 2 by an adhesive tape.

Further, referring to fig. 1 to 8, as an embodiment of the sliding type anti-shake mechanism of the present invention, the supporting member 4 is cylindrical. Thus, the support member 4 is very convenient to machine.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding type anti-shake mechanism of the present invention, an end surface of the supporting member 4 abuts against the sliding plane 11. In this way, the support 4 is facilitated to slide smoothly along the slide plane 11.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding type anti-shake mechanism of the present invention, any two supporting members 4 are respectively disposed at intervals between the projections on the sliding plane 11. In this way, different supports 4 can support the lens holder 2 from different positions.

Further, please refer to fig. 1 to 8, which are specific embodiments of the sliding type anti-shake mechanism of the present invention, further comprising: the base 1 is provided with a mounting hole; the lens bracket 2 is arranged in the mounting hole; and the sliding plane 11 covers one end of the mounting hole. So, seted up the mounting hole on the base 1, lens holder 2 sets up in the mounting hole, and base 1 protects in lens holder 2's the outside, reduces colliding with of external object to lens holder 2.

Further, please refer to fig. 1 to 8, which are specific embodiments of the sliding type anti-shake mechanism of the present invention, further comprising: and an actuator 5 disposed on the base 1 and configured to drive the lens holder 2 to slide along the slide plane 11. In this manner, the actuator 5 drives the lens holder 2 to slide along the slide plane 11.

In one embodiment, the driver 5 includes: the lens comprises memory metal wires parallel to a sliding plane 11, a first conductive end arranged on a lens bracket 2 and a second conductive end arranged on a base 1; one end of the memory metal wire is connected with the first conductive end, and the other end of the memory metal wire is connected with the second conductive end; the first conducting end and the second conducting end are respectively electrically connected with two poles of a power supply. Therefore, when current flows through the first conductive end, the memory metal wire and the second conductive end in sequence, the temperature of the memory metal wire changes and causes the memory metal wire to deform, the memory metal wire can pull the lens bracket 2 to move after deformation, and when the current on the memory metal wire is cut off, the temperature of the memory metal wire returns to normal temperature, so that the state of the memory metal wire returns to the original state; that is, the memory metal wire may pull the first conductive terminal and the second conductive terminal after being energized, so as to change the position of the optical device supported on the lens holder 2 by pulling the lens holder 2 to move.

The Shape Memory Alloy has Shape Memory Effect (Shape Memory Effect), that is, the Shape Memory Alloy can restore to the original Shape under certain conditions after being deformed by force.

The shape memory alloy wire in (grant publication number CN 209375796U) can be referred to as the memory metal wire. The shape memory alloy wire in (grant publication No. CN 209233930U) can be referred to as a memory metal wire.

In one embodiment, the actuators 5 are four, and the four actuators 5 adjust the lens holder 2 in X and Y axes (wherein the X and Y axes are parallel to the sliding plane 11, respectively) with respect to the lens holder 2, respectively.

Further, referring to fig. 1 to 8, as a specific embodiment of the sliding type anti-shake mechanism of the present invention, the supporting member 4 is: a lubricating sheet; the lubrication type sheet body is arranged between the base 1 and the lens bracket 2; the lubricant sheet is fixed on the lens holder 2 and slidably abuts against the sliding surface 11. Thus, the lens holder 2 is slidably disposed on the sliding plane 11 through the lubricating sheet, and the lubricating sheet has lubricity to reduce the friction between the lubricating sheet and the sliding plane 11. The lens support 2 is convenient for increase the pressure between the lubrication type sheet body and the sliding plane 11 under the traction of the elastic tensioning piece 3, and the contact stability between the lubrication type sheet body and the sliding plane 11 is improved. In addition, the lubricating sheet body has wear resistance, so that the loss of the lubricating sheet body in the friction process is reduced; in addition, the lens bracket 2 slides through the lubrication type sheet body, so that the occupied space is small, and the overall size is reduced. In addition, the lens support 2 slides relative to the sliding plane 11 through the lubricating sheet body, the elastic tensioning piece 3 pulls the lens support 2 to improve the contact stability between the lubricating sheet body and the sliding plane 11, the structure is simple, the assembly is simple, and the production and manufacturing efficiency and the cost can be improved.

In addition, the lubrication type sheet body and the elastic tensioning piece 3 do not occupy the space of the driver 5, and the difficulty in designing the driver 5 is reduced.

In one embodiment, the lubricity of the lubricated sheet can be a property of itself; such as: the lubrication type sheet body is made of Teflon material. In one embodiment, the lubricating property of the lubricating sheet can be a lubricant coated on the lubricating sheet.

In one embodiment, the lubricated sheet is made of plastic.

In one embodiment, the end face of the lubricated sheet is in contact with the sliding plane 11. In one embodiment, the surface of the lubricated sheet in contact with the sliding plane 11 is circular.

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

Claims

1. The utility model provides a slidingtype anti-shake mechanism which characterized in that includes: the lens holder comprises a base with a sliding plane, a lens holder, an elastic tensioning piece and at least three supporting pieces arranged on the lens holder; the lens bracket is arranged on the sliding plane in a sliding manner through at least three supporting pieces; one end of the elastic tensioning piece is connected to the lens support, and the other end of the elastic tensioning piece is connected to the base.

2. The sliding anti-shake mechanism according to claim 1, wherein the elastic tension member comprises: the elastic ring comprises a first elastic ring and a second elastic ring positioned on the inner side of the first elastic ring; the second elastic ring is fixed on the lens bracket, and the first elastic ring is fixed on the base; the first elastic ring and the second elastic ring are arranged at intervals, and the first elastic ring and the second elastic ring are connected through an elastic strip.

3. The sliding type anti-shake mechanism according to claim 2, wherein the number of the elastic strips is plural.

4. The sliding type anti-shake mechanism according to claim 3, wherein the number of the elastic strips is four; two of the elastic strips extend along a first straight line extension direction, and the other two elastic strips extend along a second straight line extension direction; the first linear extending direction and the second linear extending direction are perpendicular to each other; the first linear extending direction and the second linear extending direction are respectively arranged in parallel with the sliding plane.

5. The sliding type anti-shake mechanism according to claim 1, wherein the support member is bonded to the lens holder by an adhesive layer.

6. The sliding anti-shake mechanism according to claim 1, wherein the support member is cylindrical.

7. The sliding type anti-shake mechanism according to claim 1, wherein an end surface of the support member abuts against the sliding plane.

8. The sliding type anti-shake mechanism according to claim 1, wherein any two of the supports are respectively spaced apart from each other in projection onto the sliding plane.

9. The sliding type anti-shake mechanism according to claim 1, further comprising: and the driver is arranged on the base and used for driving the lens bracket to slide along the sliding plane.

10. The sliding type anti-shake mechanism according to any one of claims 1 to 9, wherein the support member is: a lubricating sheet; the lubrication type sheet body is arranged between the base and the lens support; the lubrication type sheet body is fixed on the lens support and is in sliding type abutting connection with the sliding plane.