TWI505014B - Lens module with the function of anti-tremor - Google Patents

Description

Lens module with anti-seismic displacement guiding function

The invention relates to a lens module; in particular to an inventor of an innovative structural type of a lens module with a shock-proof displacement guiding function.

According to the digital camera lens module structure currently available on the market, a shock-proof displacement guide device is usually provided to achieve the function of "anti-shake".

The present invention mainly relates to the structural type of the anti-seismic displacement guiding device. In the conventional structural design of the anti-seismic displacement guiding device, a cable or an elastic member is generally used as its X and Y axis. The guiding member when actuating, but found that this kind of conventional structural type found in the practical application experience, it still has the problems that the components are too trivial and complicated, which is not conducive to the manufacturing and assembly molding, and the disadvantages. In terms of the stability and accuracy of the module operation, it is difficult to achieve a better level of client requirements and status. Therefore, it is necessary for the relevant industry to further consider the important technical issues of breakthrough.

Therefore, in view of the problems existing in the above-mentioned anti-seismic displacement guiding device of the conventional lens module, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goal and direction of breakthrough.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After the detailed design and careful evaluation of the above objectives, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a lens module with a shock-proof displacement guiding function, and the technical problem to be solved is to aim at how to develop a new type of lens module structure which is more ideal and practical. Think about innovation breakthroughs.

The technical feature of the present invention is mainly that the lens module comprises: a first axis guiding seat, comprising a back surface and a component mounting surface; and two guiding rods arranged in a parallel arrangement configuration. The component mounting surface of the shaft guiding seat, the two ends of the guiding rod are respectively positioned by a protruding frame; a second axis guiding seat is arranged on the first shaft guiding seat The second axis guide movable frame is in a frame type, and includes a hollow receiving portion and a plurality of frame edges; the two sliding group connectors are arranged in a parallel arrangement manner on the second axis guiding seat, The sliding group connector is slidably combined with the two guiding rods disposed on the component mounting surface of the first shaft guiding seat, thereby enabling the second shaft guiding seat to be generated relative to the first axis guiding seat a first axial displacement movement; a plurality of guiding balls are disposed in a fixed point rotation state on the opposite side of the second shaft guide seat, and the inner side of each of the guiding balls protrudes into the hollow receiving portion; a lens having a seat portion for receiving and fitting in a hollow receiving portion of the second shaft guide seat to form a back side of the seat portion a state corresponding to the component mounting surface of the first axis guide base; the second sliding guide groove is disposed on the opposite side of the lens seat portion, and the second sliding guide groove is just for the second axis guide seat The guide ball is disposed on the side of the frame, so that the lens can generate a second axial displacement movement relative to the second axis guide seat; an induction brake unit is disposed on the first axis guide seat The surface corresponds to the position of the lens seat to sense the lens position and drive the lens to produce a displacement action.

The main effect and advantage of the present invention is that the guiding structure of the sliding module and the guiding rod, the guiding ball and the sliding guiding groove can simplify the guiding structure of the lens module. Conducive to manufacturing and assembly, and the smoothness and precision of the operation can be greatly improved, such as practical progress and better industrial utilization.

Please refer to the first, second, third, fourth, and sixth embodiments, which are preferred embodiments of the lens module having the anti-seismic displacement guiding function of the present invention, but the embodiments are for illustrative purposes only, and are on the patent application. The lens module A includes the following components: a first axis guide base 10, including a back surface 11 and a component mounting surface 12; two guiding rods 13, 14 The component mounting surface 12 of the first shaft guide base 10 is disposed in a parallel arrangement. The two ends of the guiding rods 13 and 14 are respectively supported by a protrusion 15; a second axial direction The guide base 20 is disposed on the component mounting surface 12 of the first shaft guide base 10, and the second shaft guide seat 20 is in a frame type, and includes a hollow receiving portion 21 and a plurality of frames. The second sliding guide seat 23 is disposed in the second parallel guide bracket 20 in a spaced parallel configuration, and the two sliding set joints 23 are slidably combined with the first shaft guide base 10 The component mounting surface 12 is provided with two guiding rods 13, 14 so that the second shaft guiding seat 20 can generate a first axial direction (such as the Y axis) with respect to the first shaft guiding base 10. Displacement motion A plurality of guide balls 24 are disposed on the opposite two frame sides 22 of the second shaft guide seat 20 in a fixed-point rotation state, and the inner side of each of the guide balls 24 protrudes into the hollow accommodation portion 21 A lens 30 having a plurality of seat portions 31 for receiving and fitting in the hollow receiving portion 21 of the second shaft guide seat 20, and forming the back side of the set of seat portions 31 and the first shaft guide seat The member mounting faces 12 of the 10 are spaced apart from each other; the two sliding guide grooves 32 are respectively disposed on opposite sides of the lens 30 of the lens 30, and the two sliding guide grooves 32 are just for the second axis guide. The guide ball 24 of the frame 20 of the movable seat 20 is fitted with the guide ball 24, so that the lens 30 can generate a second axial (such as X-axis) displacement motion relative to the second shaft guide base 20; The unit 40 is disposed at a position corresponding to the seat mounting portion 31 of the first shaft guide base 10 and the seat portion 31 of the lens 30, thereby sensing the position of the lens 30 and driving the lens 30 to perform a displacement operation.

According to the technical features of the above structural components, the lens module A of the present invention is mainly used to generate two axial displacement guiding effects such as X and Y axes; wherein the lens 30 is driven by the inductive braking unit 40. When the lens 30 is driven to generate a first axial (in this example, Y-axis) displacement motion as shown in FIG. 5 (as indicated by an arrow L1), the guided portion is guided by the two sliding guide grooves 32. For the guide structure formed by the guide balls 24 provided on the frame side 22 of the second shaft guide base 20 (in accordance with the fourth and sixth figures), in addition, when the lens 30 is 7 shows the second axial direction (in this case, the X-axis) displacement motion (as indicated by the arrow L2), and the guided portion is the second sliding group provided by the second shaft guide base 20. The pedestal 23 is slidably combined with the guide structure formed by the two guide bars 13 and 14 provided on the component mounting surface 12 of the first shaft guide base 10, and the sliding guide 32 is formed by the sliding guide groove 32. The guiding structure design of the guiding ball 24 and the sliding assembly 23 with the guiding rods 13, 14 is the core technology of the invention.

As shown in FIG. 2 , a set of return springs 50 is further disposed between the protrusions 15 of the end portions of the guiding rods 13 and 14 and the sliding assembly 24 of the second shaft guiding seat 20 . When the first axial displacement movement of the second shaft guide seat 20 is performed, an elastic restoring action is generated; and the opposite side of the second shaft guide base 20 has a second elastic setting The frame 60, the two elastic abutting frames 60 are respectively formed with a resilient abutting end 61 to abut against the opposite sides of the seat portion 31 of the lens 30 to generate a second axial displacement movement of the lens 30. An elastic resetting effect.

As shown in FIG. 2, the inductive braking unit 40 may include a first axial magnet group 41 and a second axial magnet disposed in pairs at a rear side spacing position of the seat portion 31 of the lens 30. a group 42 and a first axial Hall element 43 disposed on the first shaft guide housing 10 mounting surface 12 for sensing the positions of the first axial magnet group 41 and the second axial magnet group 42 And a second axial horn element 44 and a first axial coil set 45 and a second axial coil set disposed in pairs at corresponding positions of the first shaft guide base 10 component mounting surface 12 46 constitutes.

As shown in FIGS. 8 and 9, the inductive braking unit 40 may further include a first axial magnet group 41 and a second shaft disposed in pairs at a rear side spacing position of the seat portion 31 of the lens 30. a first axial Hall for sensing the position of the first axial magnet group 41 and the second axial magnet group 42 to the magnet group 42 and the component mounting surface 12 provided on the first shaft guide housing 10 The element 43 and the second axial Hall element 44, and a first memory alloy frame 47 on the side of the component mounting surface 12 of the first axis guide housing 10, and the group setting are located on the first axis. The second member alloy frame 48 is mounted on the other side of the face 12 of the lens 12; wherein the first memory alloy frame 47 is wound on the circumferential side of the seat portion 31 of the lens 30, thereby controlling the actuation state of the lens 30 (Note: Since the memory alloy has a characteristic that its length can be changed by energization, the second memory alloy frame 48 is wound on the frame edge 22 of the second shaft guide seat 20, thereby controlling the displacement of the second shaft guide seat 20. Actuated state. This is also another possible embodiment of the inductive braking unit 40.

Advantages of the present invention: The "lens module with anti-seismic displacement guiding function" disclosed by the present invention mainly comprises the first shaft guiding seat, the guiding rod, the second shaft guiding seat, and the sliding assembly Innovative unique structural types and technical features, such as seat, guide ball, lens, sliding guide groove, and induction brake unit, enable the present invention to be coupled by the sliding structure in comparison with the conventional structure proposed in [Prior Art] a guide type formed by the seat and the guide rod, the guide ball and the sliding guide groove, because these guide patterns have better actuation than those of the conventional cable or elastic member Stability and structural rigidity, high-precision finished products can be formed by general existing equipment in manufacturing and manufacturing. Therefore, the overall technical features of the present invention enable the guiding structure of the lens module to be simplified to facilitate manufacturing and assembly. And the smoothness and accuracy of the action can be greatly improved, such as practical progress and better industrial utilization.

The above embodiments are intended to be illustrative of the present invention, and are not to be construed as limiting the scope of the invention. The principles are changed and modified to achieve an equivalent purpose, and such changes and modifications are to be included in the scope defined by the scope of the patent application as described later.

A‧‧‧Lens Module 10‧‧‧First Axis Guide Seat 11‧‧‧Back 12‧‧‧ Component Mounting Surface 13, 14‧‧‧ Guide Rod 15‧‧‧Stent 20‧‧‧ Second axis guide base 21‧‧‧ hollow accommodation part 22‧‧‧ frame edge 23‧‧‧sliding group socket 24‧‧‧guide ball 30‧‧‧ lens 31‧‧‧ group seat 32‧ ‧‧Sliding guide groove 40‧‧‧Induction brake unit 41‧‧‧First axial magnet group 42‧‧‧Second axial magnet group 43‧‧‧First axial Hall element 44‧‧‧Second axis To the Hall element 45‧‧‧First axial coil set 46‧‧‧Second axial coil set 47‧‧‧First memory alloy frame 48‧‧‧Second memory alloy frame 50‧‧‧Return spring 60‧ ‧ ‧ elastic abutment 61‧‧ ‧ elastic abutment end

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a combination of preferred embodiments of the structure of the present invention. Figure 2 is an exploded perspective view of a preferred embodiment of the structure of the present invention. Figure 3 is a combined plan side view of a preferred embodiment of the structure of the present invention. Figure 4 is a vertical cross-sectional view of a partial structure of the present invention. Figure 5 is a schematic illustration of the second axial displacement motion of the lens of the present invention. Fig. 6 is a transverse cross-sectional view showing the state in which the sliding guide groove and the guide ball are engaged in the actuating state of Fig. 5. Figure 7 is a schematic illustration of the second axial guide of the present invention capable of producing a first axial displacement motion. Figure 8 is a combined perspective view of another embodiment of the inductive braking unit of the present invention. Figure 9 is an exploded perspective view of another embodiment of the inductive braking unit of the present invention.

A‧‧‧ lens module

10‧‧‧First Axis Guide

11‧‧‧ Back

12‧‧‧Component mounting surface

13, 14‧‧‧ Guide rod

15‧‧‧Seat

20‧‧‧Second axis guide

21‧‧‧ Hollow Housing

22‧‧‧ frame side

23‧‧‧Sliding group socket

24‧‧‧Guiding balls

30‧‧‧ lens

31‧‧‧Groups

32‧‧‧Sliding guide groove

40‧‧‧Induction brake unit

41‧‧‧First axial magnet group

42‧‧‧Second axial magnet set

43‧‧‧First axial Hall element

44‧‧‧Second axial Hall element

45‧‧‧First axial coil set

46‧‧‧Second axial coil set

50‧‧‧Return spring

60‧‧‧Flexible abutment

61‧‧‧Flexible end

Claims (4)

A lens module with a shock-proof displacement guiding function, comprising: a first-axis guide base comprising a back surface and a component mounting surface; and two guiding rods disposed on the first axis in a spaced parallel configuration a component mounting surface of the guide seat, the two ends of the guiding rod are respectively positioned by a protruding frame; a second axis guiding seat is assembled on the first axis guiding seat The second axis guiding frame is in a frame type, and includes a hollow receiving portion and a plurality of frame edges; and the two sliding group connectors are arranged in the parallel parallel configuration on the second axis. The two sliding group joints are slidably combined with the two guide rods of the component mounting surface of the first shaft guide seat, thereby making the second shaft guide base relative to the first shaft The guide base can generate a first axial displacement movement; a plurality of guide balls are disposed in a fixed point rotation state on the opposite two frame sides of the second shaft guide seat, and the inner side of each guide ball is Projecting into the hollow receiving portion; a lens having a set of seats for receiving and fitting with the second shaft guide In the hollow accommodating portion, the back side of the set of seat portions is in a state corresponding to the component mounting surface of the first shaft guide seat; and the second sliding guide groove is divided into two of the group seat portions of the lens. On the side, the two sliding guide grooves can be fitted into the guide balls provided on the frame side of the second shaft guide seat, thereby enabling the lens to generate a second axial direction relative to the second shaft guide base. Displacement movement; an induction braking unit is disposed at a position corresponding to the assembly portion of the first shaft guide seat and the lens seat portion, thereby sensing the lens position and driving the lens to generate a displacement motion. The lens module with the anti-seismic displacement guiding function described in claim 1, wherein the protrusion of the end of the guiding rod and the sliding group of the second shaft guiding seat are further connected. The set is provided with a set of return springs to generate an elastic resetting action when the first axial displacement movement is performed on the second axial guide seat; and the opposite two side sets of the second axial guide seat are set. The two elastic abutting frames are respectively formed with a resilient abutting end to abut against the opposite sides of the lens seat portion to generate a second axial displacement movement of the lens. An elastic resetting effect. The lens module with the anti-seismic displacement guiding function described in claim 2, wherein the inductive braking unit comprises a first axial direction disposed in pairs at a rear side spacing position of the lens seat portion of the lens. a magnet group and a second axial magnet group, and a first axial Hall element and a second shaft disposed on the component mounting surface to sense the positions of the first axial magnet group and the second axial magnet group A first axial coil group and a second axial coil group are disposed in pairs corresponding to the Hall element and the member mounting surface provided on the first axis guide. The lens module with anti-seismic displacement guiding function according to claim 2, wherein the inductive braking unit comprises a first axial magnet disposed in pairs at a rear side spacing position of the lens seat portion of the lens And a second axial magnet group and a first axial Hall element and a second axial direction disposed on the component mounting surface for sensing the positions of the first axial magnet group and the second axial magnet group a first memory alloy frame on the side of the mounting surface of the first axis guide member, and a group set on the other side of the mounting surface of the first axis guide member a second memory alloy frame; wherein the first memory alloy frame is wound on a circumference side of the lens seat portion of the lens to control the actuation state of the lens, and the second memory alloy frame is wound on the frame side of the second axis guide seat. In order to control the displacement state of the second axis guide seat.