CN210690922U - Carrier for prism driving device - Google Patents

Abstract

The utility model discloses a carrier for prism drive arrangement, comprising a main body, the middle part of main part be equipped with the recess in order to cooperate with the prism, the both sides of main part are equipped with the reed installation department, reed installation department perpendicular to prism drive arrangement's base is arranged, wherein the outside protrusion in both sides an organic whole of reed installation department from the main part forms, prism drive arrangement's reed is installed on the front surface of reed installation department, and the upper portion of the front surface of reed installation department is equipped with upper portion protruding portion and lower part and is equipped with the lower part protruding portion, with the upper end fixed part and the lower extreme fixed part fixed connection of the carrier connecting portion of reed respectively. The utility model discloses an utilize the reed to guarantee to reset to and inject the motion range, reduce part quantity and simplify technology.

Description

Carrier for prism driving device

Technical Field

The utility model relates to an optical image equipment technical field, concretely relates to a carrier for prism drive arrangement.

Background

With the development of technology, many electronic devices (such as smart phones or digital cameras) have a function of taking pictures or recording videos. The use of these electronic devices is becoming more common and the design direction of these electronic devices is being developed to be more convenient and thinner to provide more choices for users. Spring prism motor is more and more receiving consumer and complete machine manufacturer's favor as comparatively advanced device in the market, however, spring prism motor on the existing market is the unipolar rotation, relates to the part too much, and the mounting process is complicated, and the equipment is difficult the yields low, and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a carrier for prism drive arrangement to solve the problem that exists among the above-mentioned prior art.

In order to solve the problem, according to the utility model discloses an aspect provides a carrier for prism drive arrangement, the carrier includes the main part, the middle part of main part be equipped with the recess in order to cooperate with the prism, the both sides of main part are equipped with the reed installation department, reed installation department perpendicular to prism drive arrangement's base is arranged, wherein the reed installation department is from the integrative outside protrusion in both sides of main part and is formed, prism drive arrangement's reed install in on the front surface of reed installation department, and the upper portion of the front surface of reed installation department is equipped with upper portion protruding portion and lower part and is equipped with the lower part protruding portion to respectively with the upper end fixed part and the lower extreme fixed part fixed connection of the carrier connecting portion of reed.

In one embodiment, the prism driving device comprises a carrier, a base, a reed and a circuit board, wherein the carrier is used for carrying a prism and is rotatably connected with the base through the reed, the circuit board is installed on the base and is provided with a bottom coil and a side coil, the bottom of the carrier is provided with a bottom magnet corresponding to the bottom coil, the side of the carrier is provided with a side magnet corresponding to the side coil, the bottom coil is matched with the bottom magnet, and the side coil is matched with the side magnet so as to drive the carrier to rotate relative to the base around two mutually perpendicular axes.

In one embodiment, the rear side of the main body is provided with two side magnet mounting grooves which are respectively located at both ends of the rear surface of the main body and used for mounting side magnets, and a bottom magnet mounting groove is provided at the lower surface of the main body to mount a bottom magnet.

In one embodiment, the groove is formed with a baffle on each side, which encloses from both sides the prism mounted in the groove.

In one embodiment, the top of the baffle is also provided with an avoiding groove so as to be convenient for taking the prism out of or putting the prism into the groove.

In one embodiment, a lower protrusion protruding downward is formed in front of the bottom of the main body to mate with the bottom carrier escape slot on the base.

In one embodiment, the base includes a bottom portion and a rear portion, a bottom coil avoiding groove is provided in a middle portion of the bottom portion to cooperate with a bottom coil on the circuit board, and a side coil avoiding groove is formed in the rear portion to cooperate with a side coil on the circuit board.

In one embodiment, the front of the bottom is provided with a carrier escape slot.

In one embodiment, a carrier introduction groove is provided above the side coil avoidance groove.

In one embodiment, the rear portion further has integral forwardly extending base spring mounts at each end, the base spring mounts having bases attached to and integrally formed with the base.

In one embodiment, the upper projection and the lower projection of the front surface of the spring mounting portion are located on the same vertical surface so as to be perpendicular to the spring and the bottom of the base when the spring is mounted on the base.

The utility model discloses in, the upper end and the lower extreme of reed are located same vertical plane, and the bottom of reed perpendicular to base is arranged promptly, and the both sides of the recess of carrier form complete baffle simultaneously to realize better protection effect and stronger stability to the prism.

In addition, because the reed is vertically installed at 90 degrees, the reed can be laid flat by laterally placing the whole prism driving device, the manufacture and the processing are convenient, the shell can cover most parts of the carrier, the closed installation with the base is easy, and the whole reliability is stronger.

Drawings

Fig. 1 is a perspective view of a prism driving device according to an embodiment of the present invention.

Fig. 2 is a perspective view of a carrier of the prism drive apparatus of fig. 1.

Fig. 3 is a rear view of a carrier of the prism drive apparatus of fig. 1.

Fig. 4 is a bottom view of the carrier of the prism drive apparatus of fig. 1.

Fig. 5 is a perspective view of a base of the prism drive apparatus of fig. 1.

Fig. 6 is a perspective view of a reed of the prism drive apparatus of fig. 1.

Figure 7 is a perspective view of an assembly of the base, spring and carrier assembled together.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a perspective view of a circuit board of the prism driving device of fig. 1.

Fig. 10 is a cross-sectional view of a prism drive apparatus according to an embodiment of the present invention.

Fig. 11 is another cross-sectional view of a prism driver according to an embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The utility model discloses a prism drive arrangement generally, including carrier, base, reed and circuit board, the carrier is used for bearing the weight of the prism and through reed and base rotatable coupling, and the circuit board is installed on the base and is equipped with bottom coil and lateral part coil, and the bottom of carrier is equipped with the bottom magnet that corresponds with the bottom coil, and the lateral part of carrier is equipped with the lateral part magnet that corresponds with the lateral part coil, thereby bottom coil and bottom magnet cooperation and lateral part coil and lateral part magnet cooperation drive carrier encircle two axes of mutually perpendicular for the base is rotatory. The utility model discloses a prism drive arrangement carries out the biax rotation through the carrier around the base for TELE motor in the periscope module only need drive AF (automatic focusing) direction, thereby can reduce the cost of periscope module. Furthermore, the spring is arranged perpendicular to the bottom of the seat to stabilize the carrier. Because the reed becomes 90 degrees and erects, can put the reed flatly through putting whole drive arrangement on one's side, the preparation processing of being convenient for to can adopt and cover holistic most shell, make shell and base closed installation easy and whole reliability stronger. The following description will explain embodiments of the present invention with reference to the drawings.

Fig. 1 is a perspective view of a prism drive device 100. As shown in fig. 1, the prism driving apparatus 100 includes a prism 10, a pair of springs 20, a carrier 30, a base 40, a housing 50, a circuit board 60, a patch 70, and an electromagnet group 80. The prism 10 is installed in the carrier 30, the carrier 30 is installed on the base 40, and a pair of springs 20 are respectively connected to left and right sides of the carrier 30, wherein one part of each spring 20 is connected to the carrier 30, and the other part is connected to the base 40, thereby movably connecting the carrier 30 with the base 40.

Fig. 2 is a perspective view of the carrier 30, fig. 3 is a rear view of the carrier 30, and fig. 4 is a bottom view of the carrier 30. as shown in fig. 2 to 4, the carrier 30 includes a carrier body 31, the upper and front surfaces of the body 31 are provided with grooves 32, and the bottoms of the grooves 32 are formed with a slope 321, so that the cross-section of the grooves 32 is formed in a triangular shape as a whole to cooperate with the prism 20 such that the prism 20 is formed in a rectangular configuration as a whole when mounted in the grooves 32. The light enters from the upper surface of the prism 20 and exits the prism 20 from the front surface after passing through the prism 20. A recess 322 is formed on the inclined surface 321 at the bottom of the groove 32, and an adhesive may be placed in the recess 322 to be coupled with the prism 20, for example.

Reed attaching portions 33 are provided on both sides of the body 31. The reed mounting part 33 is integrally formed to protrude from both sides of the body 31 to both sides, and is provided with an upper protrusion 331 at an upper portion and a lower protrusion 332 at a lower portion, which are fixedly connected to an upper portion and a lower portion of the carrier connecting part of the reed 20, respectively. The rear side of the main body 31 is provided with two side magnet mounting grooves 341 and 342, the side magnet mounting grooves 341 and 342 being located at both ends on the rear surface of the main body 31, respectively, and for mounting side magnets. A bottom magnet mounting groove 343 is provided on the lower surface of the main body 31 to mount a bottom magnet.

With continued reference to fig. 2, the groove 32 is formed at both sides thereof with a blocking plate 361 and a blocking plate 362, the blocking plate 361 and the blocking plate 362 enclose the groove 32 from the left and right sides, and when the prism 20 is disposed in the groove 32, both sides of the prism are completely blocked by the blocking plates 361 and 362, thereby protecting the prism 20. An avoiding groove 351 and an avoiding groove 352 are respectively formed at the tops of the blocking plate 361 and the blocking plate 362 to facilitate the insertion and removal of the prism 20 into and from the groove 32. A lower projection 37 is formed at the front of the bottom of the main body 31 to project downward to be fitted into a corresponding groove on the base 40.

Fig. 5 is a perspective view of the base 40. As shown in fig. 5, the base 40 includes a bottom portion 41 and a rear portion 42, a bottom coil escape groove 411 is provided in the middle of the bottom portion 41, and a front carrier escape groove 412 of the bottom portion 41. The bottom coil-avoiding slot 411 is for mating with a bottom coil on the circuit board 60, and the bottom carrier-avoiding slot 412 mates with the lower protrusion 37 of the carrier 40. A side circuit avoiding groove 43 is formed at the rear portion 42 of the base 40 to be matched with the side coil on the circuit board, and a carrier introduction groove 44 is formed above the side circuit avoiding groove 43 to facilitate the insertion or removal of the carrier 30.

With continued reference to fig. 5, the rear portion 42 also has integral forwardly extending base spring mounting portions 45 at each end thereof, the base spring mounting portions 45 having bases attached to the base 41 of the base 40 and integrally formed with the base 41. The upper and lower ends of the front surface of the reed mounting part 45 are formed with a reed upper end fixing projection 451 and a reed lower end fixing projection 452, respectively, and the upper and lower reed fixing projections 451 and 452 are located on the same vertical surface so as to be perpendicular to the bottom of the base 40 when the reed 20 is mounted on the base 40.

To sum up, the utility model discloses a base 40 all is equipped with in bottom and lateral part and dodges the groove for place the lateral part coil and the bottom coil of circuit part. In addition, the bottom carrier avoiding groove has a certain effect of limiting the motion range of the carrier, and the carrier introducing groove is convenient for the carrier to be installed and also has a certain effect of limiting the motion range.

Figure 6 is a perspective view of the reed 20. As shown in figure 6, the spring plate 20 is integrally formed of a first portion 21 and a second portion 22 connected to each other, the first portion 21 being secured to the carrier 30 and the second portion 22 being secured to the base 40. Specifically, the upper end of the first portion 21 is provided with a first upper end fixing portion 211, the lower end of the first portion 21 is provided with a first lower end fixing portion 212, and the first upper end fixing portion 211 and the first lower end fixing portion 212 are connected by a bent first elastic strip 213. Specifically, the middle of the folded first elastic strip 213 forms an M-shaped folded portion 214 folded in an upper case "M" shape, and n-shaped folded portions 215 folded in a lower case "n" shape are formed at both ends, and the directions of the n-shaped folded portions 215 at both ends are opposite to the directions of the M-shaped folded portion 214 at the middle. So arranged, rotation of the carrier 30 relative to the base 40 about mutually perpendicular X and Y axes, which are two mutually perpendicular axes lying in a plane parallel to the rear of the base 40, can be facilitated. The first upper end fixing portion 211 and the first lower end fixing portion 212 are provided with carrier coupling holes 216, and the first upper end fixing portion 211 and the first lower end fixing portion 212 are coupled to the carrier through the coupling holes 216.

With reference to fig. 6, the upper end of the second portion 22 is provided with a second upper end fixing portion 221, the lower end of the second portion 22 is provided with a second lower end fixing portion 222, and the second upper end fixing portion 221 and the second lower end fixing portion 222 are connected by a bent second elastic strip 223. Similar to the first portion, the middle portion of the second elastic strip 223 of the second portion 22 forms an m-shaped bent portion 224 bent in a shape of a lower case letter "m", both ends of the second elastic strip 223 form n-shaped bent portions 225 bent in a shape of a lower case letter "n", and the n-shaped bent portions 225 at both ends are opposite to the m-shaped bent portion 224 at the middle. The first upper end fixing portion 221 and the second lower end fixing portion 222 of the second part 22 are provided with a base coupling hole 226, and the first upper end fixing portion 221 and the second lower end fixing portion 222 of the second part 22 are coupled to the base through the coupling hole 226.

With continued reference to figure 6, the M-fold of the first portion 21 and the M-fold of the second portion 22 of the spring 20 are oppositely disposed and connected in between by a connecting portion 23, i.e., the M-fold 214 of the first portion 21 and a portion of the M-fold 224 of the second portion 22 are the connecting portion 23, i.e., the connecting portion 23 constitutes a portion of the M-fold 224 and a portion of the M-fold 214, respectively.

Figure 7 is a perspective view of the assembly of the base 40 and the spring plate 20 and the carrier 30 assembled together,

figure 8 is a front view of figure 7, as shown in figures 7-8, with the prism 10 mounted on the carrier 30, the carrier 30 in turn mounted on the base 40, and the spring plate 20 connecting the carrier 30 and the base 40. Specifically, the first upper end fixing portion 211 of the first part 21 of the reed 20 is fixed to the upper end fixing portion 331 of the carrier 30, and the lower end fixing portion 222 of the first part 21 of the reed 20 is fixed to the lower end fixing portion 332 of the carrier 30. The upper end fixing part 221 of the second part 22 of the reed 20 is fixed to the reed upper end fixing projection 451 of the base 40, and the lower end fixing part 222 of the second part 22 of the reed 20 is fixed to the reed lower end fixing projection 452 of the base 40, so that the carrier 30 is connected to the base 40 through the reed 20. Since the first and second portions 21 and 22 of the spring 20 are connected by the connecting portion 23, when the carrier 30 is driven to rotate about the Y-axis after the side coil on the circuit board is energized, the first portion 21 of the spring 20 rotates about the second portion 22, and when the carrier 30 is driven to rotate about the X-axis after the bottom coil on the circuit board is energized, the first portion 21 of the spring 20 rotates about the connecting portion 23 while the second portion 22 is fixed on the base 40 and remains stationary, thereby enabling the carrier 30 to perform rotational movement about two axes with respect to the base 40.

In the present invention, as shown in fig. 7 and 8, the upper end and the lower end of the reed 20 are located on the same vertical plane, that is, the reed 20 is disposed perpendicular to the bottom of the base 40, and the two sides of the groove 31 of the carrier 30 form a complete baffle, thereby realizing better protection effect and stronger stability for the prism 10. Furthermore, since the springs are mounted upright at 90 degrees, the springs 20 can be laid flat by laying the entire prism drive on their sides, facilitating manufacturing and processing, and allowing the housing to cover a large portion of the carrier, and providing easy close mounting with the base and greater overall reliability.

Fig. 9 is a perspective view of the circuit board 60. As shown in fig. 9, the circuit board 60 includes a vertical portion 61 and a horizontal portion 62. The two ends of the inner surface of the vertical portion 61 are respectively provided with a first side coil 611 and a second side coil 612, the first side coil 611 and the second side coil 612 are respectively matched with the side magnets 81 installed at the side portion of the carrier 30, and form an electromagnetic induction with the side magnets when the power is supplied to drive the carrier 30 to rotate around the Y axis. The upper surface of the horizontal portion 62 is provided with a bottom coil 621, the bottom coil 621 cooperates with a bottom magnet 82 arranged at the bottom of the carrier 30 and forms an electromagnetic induction with the bottom magnet upon energization to drive the carrier 30 to rotate about the X-axis.

In one embodiment, as shown in fig. 9, a sensor 622 may be disposed inside the bottom coil 621 so that the position of the bottom magnet of the carrier, and thus the carrier 30, is detected by the sensor 622.

Fig. 10 is a sectional view of a prism driving apparatus 100 according to an embodiment of the present invention, and fig. 11 is another sectional view of the prism driving apparatus 100 according to an embodiment of the present invention. As shown in fig. 10 to 11 in conjunction with fig. 9, the magnet assembly 80 includes two side magnets 81 and one bottom magnet 82, the two side magnets 81 are respectively mounted in the first and second side magnet mounting grooves 341 and 342 of the carrier 30, and the bottom magnet 82 is mounted in the bottom magnet mounting groove 343 of the carrier 30. The side magnet 81 corresponds to the side coil 611 on the circuit board 60 on the same side, the bottom magnet 82 corresponds to the bottom coil 622 of the circuit board 60, and the sensor 622 is located directly below the bottom magnet 82. When the first side coil 621 and the second side coil 622 are energized, the first side coil 621 and the first side magnet 341 attract each other, and the second side coil 622 and the second side magnet 342 repel each other, so that the cutaway carrier 30 rotates about the Y axis with respect to the base 40. When the bottom coil is powered on, the carrier 30 is forced to rotate around the X axis relative to the base 40, so that the two-axis rotation of the carrier relative to the base is realized, and when the carrier is matched with other periscopic lens driving devices, better optical anti-shake and automatic focusing effects can be realized.

In one embodiment, the bottom magnet 82 of the carrier 30 is provided with a patch, and the patch 70 is provided on the rear of the circuit board, i.e., on the surface of the side coil, the patch 70 having an area larger than the two side coils 611 and 612 so as to cover the two side coils 611 and 612.

To sum up, the utility model discloses an utilize two reeds to guarantee to reset to and inject motion range, reduce part quantity and simplify technology.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (10)

1. The utility model provides a carrier for prism drive arrangement, a serial communication port, the carrier includes the main part, the middle part of main part is equipped with the recess in order to cooperate with the prism, the both sides of main part are equipped with the reed installation department, reed installation department perpendicular to prism drive arrangement's base is arranged, wherein the reed installation department is from the integrative outside protrusion in both sides of main part and is formed, prism drive arrangement's reed install in on the front surface of reed installation department, and the upper portion of the front surface of reed installation department is equipped with upper portion protruding portion and the lower part is equipped with the lower part protruding portion to respectively with the upper end fixed part and the lower extreme fixed part fixed connection of the carrier connecting portion of reed.

2. The carrier according to claim 1, wherein the rear side of the main body is provided with two side magnet mounting grooves for mounting side magnets, which are respectively located at both ends of the rear surface of the main body, and a bottom magnet mounting groove for mounting a bottom magnet is provided at a lower surface of the main body.

3. The carrier of claim 2 wherein said recess is formed with a baffle on each side, said baffles surrounding from both sides a prism mounted within said recess.

4. The carrier of claim 3 wherein the top of the baffle is further provided with an escape slot to facilitate removal or insertion of the prism into the recess.

5. The carrier of claim 1 wherein the front of the bottom of the main body is formed with a downwardly projecting lower projection to mate with a bottom carrier escape slot on the base.

6. The carrier of claim 1 wherein the base includes a bottom portion and a rear portion, the bottom portion having a bottom coil-avoiding slot formed in a middle portion thereof for mating with a bottom coil on a circuit board, the rear portion having a side coil-avoiding slot formed therein for mating with a side coil on the circuit board.

7. The carrier of claim 6 wherein the front portion of the bottom is provided with a carrier escape slot.

8. The carrier of claim 6 wherein a carrier introduction slot is provided above the side loop escape slot.

9. The carrier of claim 6 wherein the rear portion further integrally and forwardly extends at each end thereof a base spring mount, the base of the base spring mount being connected to and integrally formed with the base.

10. The carrier of claim 1, wherein the upper and lower projections of the front surface of the reed mount are located on the same vertical surface so as to be perpendicular to the reed and the bottom of the base when the reed is mounted on the base.

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