CN211698334U

CN211698334U - Adjustable lens assembly structure and optical fiber scanning device packaging structure

Info

Publication number: CN211698334U
Application number: CN201922489691.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Chengdu Idealsee Technology Co Ltd
Current assignee: Chengdu Idealsee Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a camera lens assembly structure with adjustable, including optical lens group, lens mount and bottom plate, the gliding installation of horizontal spout can be followed to the horizontal migration seat on the bottom plate, but the installation of lift seat vertical lift in vertical spout, the lens mount is installed in the first hole intracavity of lift seat, and four surfaces in the left and right sides of lens mount, preceding, back all are provided with a hemisphere type recess, all install a spheroid in every hemisphere type recess, are provided with in the first hole intracavity with spheroid matched with groove. A package structure using the assembly structure is also disclosed. The optical lens group can be accurately positioned in front of the optical fiber scanning component in a position-adjustable manner, so that the lens component can be accurately positioned in a position adaptive to the optical fiber scanning component, the coaxiality of the lens and the optical fiber scanning component is ensured, and the production deviation or assembly deviation compensation of the optical fiber scanning component is realized.

Description

Adjustable lens assembly structure and optical fiber scanning device packaging structure

Technical Field

The utility model relates to an optical fiber scanning device technical field especially relates to a camera lens assembly structure and optical fiber scanning device packaging structure with adjustable.

Background

The imaging principle of the optical fiber scanning projection technology is that an actuator drives a scanning optical fiber to perform the motion of a preset two-dimensional scanning track, the light emitting power of a light source is modulated, and information of each pixel point of an image to be displayed is projected onto an imaging area one by one, so that a projection picture is formed. Due to structural or working errors, deviation of the position and the angle of the optical fiber is inevitable, and the position of the emergent light of the optical fiber at the lens is influenced; the optical fiber scanning driver itself may cause the deviation of the light-emitting optical axis from the expected due to the structure or manufacturing error, which all cause the corresponding emergent image to be distorted, eccentric, difficult to focus, and the like.

Meanwhile, the optical fiber scanning device is small in size, the maximum diameter of a packaging shell of the optical fiber scanning device is generally from several centimeters to ten and several centimeters, and how to arrange a structure meeting the function of accurately adjusting the position on the packaging structure with the small size has considerable technical difficulty.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a camera lens assembly structure with adjustable for the equipment or the regulation degree of difficulty are reduced under the prerequisite of guaranteeing the assembly precision.

In order to achieve the above object, a first aspect of the present invention provides an adjustable lens assembly structure, comprising an optical lens set, a lens holder and a bottom plate, wherein the optical axis direction of the optical lens set is a front-back direction, the bottom plate is provided with a horizontal sliding slot extending in a left-right direction, the horizontal moving seat is slidably mounted on the bottom plate along the horizontal sliding slot, the horizontal moving seat is provided with a vertical sliding slot, the lifting seat is vertically mounted in the vertical sliding slot, the lifting seat has a first hole cavity penetrating the lifting seat along the front-back direction, the lens holder is mounted in the first hole cavity, the left, right, front and rear surfaces of the lens holder are respectively provided with a hemispherical groove, the centers of the four hemispherical grooves are located in a plane perpendicular to the front-back direction, and the centers of the two hemispherical grooves on the left and right surfaces of the lens holder are located on the same first axis extending along the horizontal direction, the centers of the two hemispherical grooves on the upper surface and the lower surface of the lens seat are positioned on the same second axis extending along the vertical direction, a sphere is arranged in each hemispherical groove, the top surface and the bottom surface of the first cavity are respectively provided with a first strip-shaped groove extending along the front-back direction, the left side wall and the right side wall of the first cavity are respectively provided with a second strip-shaped groove extending along the up-down direction, the shapes of the sections of the first strip-shaped groove and the second strip-shaped groove are matched with the shape of the part of the sphere exceeding the hemispherical grooves, the spheres in each hemispherical groove of the lens seat are correspondingly assembled in the first strip-shaped groove or the second strip-shaped groove on the corresponding side,

the bottom plate is provided with a first adjusting bolt for driving the horizontal moving seat to slide and position along the horizontal sliding groove, the lifting seat is provided with a second adjusting bolt for driving the lifting seat to slide and position along the vertical sliding groove, the lifting seat is provided with a third adjusting bolt for driving the lens seat to rotate and position around the first axis, and the lifting seat is provided with a fourth adjusting bolt for driving the lens seat to rotate and position around the second axis.

Thereby can adjust the position about the lens mount through first adjusting bolt, can adjust the perpendicular height of lens mount through second adjusting bolt, can adjust the lens mount through third adjusting bolt and rotate around the first axis, can adjust the lens mount through fourth adjusting bolt and rotate around the second axis, realize the multidimensional regulation of optical lens group in the lens mount.

The left and right sides of horizontal migration seat all is provided with a adjusting bolt, and the axis of a adjusting bolt extends and installs on the bottom plate through the screw thread along left right direction, and the end of a adjusting bolt supports in the horizontal migration seat is located the part of horizontal spout on.

The lifting seat is provided with two second adjusting bolts with axes extending along the vertical direction, the two second adjusting bolts are respectively arranged on two sides of the vertical sliding groove, the second adjusting bolts are installed on the lifting seat through threads, and the tail ends of the second adjusting bolts are abutted to the upper surface of the horizontal moving seat.

The lifting seat is provided with two third adjusting bolts on the upper side wall of the first hole cavity, the two third adjusting bolts are respectively arranged on the front side and the rear side of the hemispherical groove, the axis of each third adjusting bolt extends in the vertical direction and is installed on the lifting seat through threads, and the tail end of each third adjusting bolt abuts against the upper surface of the lens seat.

The lifting seat is provided with two fourth adjusting bolts on the left side wall or the right side wall of the first hole cavity, the two fourth adjusting bolts are respectively arranged on the front side and the rear side of the hemispherical groove, the axis of each fourth adjusting bolt extends along the left-right direction and is installed on the lifting seat through threads, and the tail end of each fourth adjusting bolt is abutted to the left surface or the right surface of the lens seat.

The embodiment of the utility model provides an adopt optic fibre scanning device packaging structure of adjustable camera lens assembly structure, including the scanner support, fixed mounting has optic fibre scanner subassembly on the scanner support to optic fibre scanning subassembly's light beam outgoing direction is preceding, and the scanner support is located the rear side of horizontal migration seat and scanner support fixed mounting on the bottom plate.

The optical fiber scanner assembly comprises an actuator and an optical fiber, wherein two ends of the actuator are respectively a fixed end and a free end, the fixed end of the actuator is fixedly connected with the second support, the free end of the actuator vibrates in at least two directions relative to the fixed end under the driving of a driving signal, the optical fiber is fixed at the free end of the actuator in a cantilever supporting mode, and the optical fiber emits light beams to the optical lens group.

The optical fiber scanning device packaging structure further comprises a shell and a sealing cover, the shell is provided with an inner cavity with a rear opening, the sealing cover is fixedly connected with the rear end of the shell and seals the rear opening of the inner cavity, the bottom plate is fixedly installed in the inner cavity of the shell, a through hole for a cable of the optical fiber scanning assembly to pass through is formed in the sealing cover, and the cable of the optical fiber scanning assembly penetrates out of the through hole.

Preferably, a first sealing member for sealing the through hole is provided between the cable and the through hole. The cable of the optical fiber scanning component comprises an optical fiber and an electric signal lead, wherein the electric signal lead comprises an electrode lead, a feedback signal wire and the like. Optionally, the first sealing element may be a sealing element such as a sealant or a plug through which the cable may pass.

Preferably, a sealing ring is arranged between the sealing cover and the shell.

Preferably, the part of the front end of the housing, which is located at the front end of the inner cavity, is a light-transmitting part, that is, the area of the light-transmitting part is increased to the maximum extent, so as to avoid shielding the light emitted from the optical fiber scanning assembly due to the fact that the area of the light-transmitting part is too small.

Preferably, the shell is a transparent shell, so that the emergent light beam of the optical fiber scanning component can be ensured to completely pass through, and the working condition of the optical fiber scanning component can be conveniently observed.

Preferably, the bottom plate is connected with the sealing cover through a hinged plate, one end of the hinged plate is fixedly connected with the bottom plate, and the other end of the hinged plate is hinged with the sealing cover through a hinged shaft. So the bottom plate alright with push away the inner chamber or pull out the inner chamber through the closing cap, solve because of the little inconvenient problem of operation in inner chamber space, the articulated structure of one end also provides the degree of freedom for the horizontal fixation of bottom plate simultaneously, ensures the firm of being connected of bottom plate and casing.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the optical lens group can be accurately positioned in front of the optical fiber scanning component in a position-adjustable manner, so that the lens component can be accurately positioned in a position adaptive to the optical fiber scanning component, the coaxiality of the lens and the optical fiber scanning component is ensured, and the production deviation or assembly deviation compensation of the optical fiber scanning component is realized.

The utility model discloses can realize the airtight encapsulation of inner chamber, make the unable encapsulation inner chamber that gets into of external dust granule, both guarantee the stability of optical fiber scanning subassembly work, also avoided the interference of dust granule to scanning imaging pattern, do benefit to the improvement imaging quality.

Drawings

Fig. 1 is a schematic structural view of an adjustable lens assembly structure according to the present invention;

FIG. 2 is a schematic view of a structure of the horizontal moving seat and the horizontal sliding groove;

FIG. 3 is a schematic view of a ball mounting structure;

FIG. 4 is a schematic structural view of a first slot and a second slot in a first cavity;

FIG. 5 is a schematic structural view of a first strip-shaped groove and a second strip-shaped groove on two other inner walls in the first bore;

FIG. 6 is a schematic structural diagram of an optical fiber scanning device package structure according to the present invention;

fig. 7 is a schematic structural diagram after the casing is sleeved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides an adjustable lens assembly structure, as shown in fig. 1, fig. 2 and fig. 3, including the optical lens group 1, the lens mount 2 and the bottom plate 3, the optical axis direction of the optical lens group 1 is the front and back direction, the horizontal sliding slot 5 extending in the left and right directions is provided on the bottom plate 3, the horizontal moving mount 4 can be installed on the bottom plate 3 along the sliding of the horizontal sliding slot 5, the horizontal moving mount 4 is provided with the vertical sliding slot 6, the vertical lifting mount 7 can be installed in the vertical sliding slot 6, the lifting mount 7 has a first hole cavity running through the lifting mount 7 in the front and back direction, the lens mount 2 is installed in the first hole cavity, the left, right, front and back surfaces of the lens mount 2 are all provided with a hemispherical groove, as shown in fig. 3, the centers of the four hemispherical grooves are located in the plane perpendicular to the front and back direction, and the left surface of the lens mount 2, The centers of the two hemispherical grooves on the right surface are located on the same first axis extending horizontally, the centers of the two hemispherical grooves on the upper and lower surfaces of the lens holder 2 are located on the same second axis extending vertically, each hemispherical groove is provided with a sphere 8, the top and bottom surfaces of the first cavity are provided with a first strip-shaped groove 9 extending along the front-back direction, as shown in fig. 4 and 5, the left and right side walls of the first cavity are provided with a second strip-shaped groove 10 extending along the up-down direction, the cross-sections of the first strip-shaped groove 9 and the second strip-shaped groove 10 are matched with the shape of the part of the sphere 8 exceeding the hemispherical groove, the sphere 8 in each hemispherical groove of the lens holder 2 is correspondingly assembled in the first strip-shaped groove 9 or the second strip-shaped groove 10 on the corresponding side,

the bottom plate 3 is provided with a first adjusting bolt 11 for driving the horizontal moving seat 4 to slide and position along the horizontal sliding groove 5, the lifting seat 7 is provided with a second adjusting bolt 12 for driving the lifting seat 7 to slide and position along the vertical sliding groove 6, the lifting seat 7 is provided with a third adjusting bolt 13 for driving the lens seat 2 to rotate and position around the first axis, and the lifting seat 7 is provided with a fourth adjusting bolt 14 for driving the lens seat 2 to rotate and position around the second axis.

Thereby can adjust the left and right sides position of lens mount 2 through first adjusting bolt 11, can adjust the perpendicular height of lens mount 2 through second adjusting bolt 12, can adjust lens mount 2 through third adjusting bolt 13 and rotate around the first axis, can adjust lens mount 2 through fourth adjusting bolt 14 and rotate around the second axis, realized the multidimensional regulation of optical lens group 1 in the lens mount 2.

The left and right sides of horizontal migration seat 4 all is provided with a first adjusting bolt 11, and the axis of first adjusting bolt 11 extends and installs on bottom plate 3 through the screw thread along left and right sides direction, and the end of first adjusting bolt 11 is supported and is pressed in the part that horizontal migration seat 4 is located horizontal spout 5.

The lifting seat 7 is provided with two second adjusting bolts 12 with axes extending along the vertical direction, the two second adjusting bolts 12 are respectively arranged at two sides of the vertical sliding groove 6, the second adjusting bolts 12 are installed on the lifting seat 7 through threads, and the tail ends of the second adjusting bolts 12 are abutted to the upper surface of the horizontal moving seat 4.

Two third adjusting bolts 13 are arranged on the upper side wall of the first hole cavity of the lifting seat 7, the two third adjusting bolts 13 are respectively arranged on the front side and the rear side of the hemispherical groove, the axis of the third adjusting bolt 13 extends in the vertical direction and is installed on the lifting seat 7 through threads, and the tail end of the third adjusting bolt 13 is abutted against the upper surface of the lens seat 2.

The lifting seat 7 is provided with two fourth adjusting bolts 14 on the left side wall or the right side wall of the first hole cavity, the two fourth adjusting bolts 14 are respectively arranged on the front side and the rear side of the hemispherical groove, the axis of the fourth adjusting bolt 14 extends along the left-right direction and is installed on the lifting seat 7 through threads, and the tail end of the fourth adjusting bolt 14 abuts against the left surface or the right surface of the lens seat 2.

The embodiment of the utility model provides an adopt optic fibre scanning device packaging structure of adjustable camera lens assembly structure, as shown in figure 6, figure 7, including scanner support 15, fixed mounting has the optic fibre scanner subassembly on scanner support 15 to before the light beam outgoing direction of optic fibre scanning subassembly, scanner support 15 is located the rear side of horizontal migration seat 4 and scanner support 15 fixed mounting on bottom plate 3.

The optical fiber scanner assembly comprises an actuator 16 and an optical fiber 17, two ends of the actuator 16 are respectively a fixed end and a free end, the fixed end of the actuator 16 is fixedly connected with the second support, the free end of the actuator 16 vibrates in at least two directions relative to the fixed end under the driving of a driving signal, the optical fiber 17 is fixed at the free end of the actuator 16 in a cantilever supporting mode, and the optical fiber 17 emits light beams to the optical lens group 1.

The optical fiber scanning device packaging structure further comprises a shell 18 and a sealing cover 19, wherein the shell 18 is provided with an inner cavity with a rear opening, the sealing cover 19 is fixedly connected with the rear end of the shell 18 and seals the rear opening of the inner cavity, the bottom plate 3 is fixedly arranged in the inner cavity of the shell 18, a through hole for a cable of the optical fiber scanning assembly to pass through is formed in the sealing cover 19, and the cable of the optical fiber scanning assembly passes through the through hole.

Preferably, a sealing ring is arranged between the cover 19 and the housing 18.

Preferably, the front end of the housing 18 is located at the front end of the inner cavity and is a light-transmitting portion, that is, the area of the light-transmitting portion is increased to the maximum extent, so as to avoid blocking the light emitted from the optical fiber scanning assembly due to the excessively small area of the light-transmitting portion.

Preferably, the housing 18 is a transparent housing 18, so that the emergent light beam of the optical fiber scanning assembly can be ensured to completely pass through, and the working condition of the optical fiber scanning assembly can be conveniently observed.

Preferably, the base plate 3 is connected with the cover 19 through a hinge plate 20, one end of the hinge plate 20 is fixedly connected with the base plate 3, and the other end of the hinge plate 20 is hinged with the cover 19 through a hinge shaft. So bottom plate 3 alright push away the inner chamber or pull out the inner chamber through closing cap 19, solve because of the little inconvenient problem of operation in inner chamber space, the articulated structure of one end also provides the degree of freedom for bottom plate 3's horizontal fixation simultaneously, ensures bottom plate 3 and shell 18's firm being connected.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" or "comprises" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the words first, second, third, etc. do not denote any order, but rather the words are to be construed as names.

the optical lens group 1 can be accurately positioned in front of the optical fiber scanning component in a position-adjustable manner, so that the lens component can be accurately positioned in a position adaptive to the optical fiber scanning component, the coaxiality of the lens and the optical fiber scanning component is ensured, and the production deviation or assembly deviation compensation of the optical fiber scanning component is realized.

All features disclosed in this specification, except features that are mutually exclusive, may be combined in any way.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. An adjustable lens assembly structure is characterized by comprising an optical lens group, a lens seat and a bottom plate, wherein the optical axis direction of the optical lens group is the front-back direction, the bottom plate is provided with a horizontal sliding groove extending in the left-right direction, a horizontal moving seat can be installed on the bottom plate in a sliding manner along the horizontal sliding groove, the horizontal moving seat is provided with a vertical sliding groove, a lifting seat can be vertically installed in the vertical sliding groove in a lifting manner, the lifting seat is provided with a first hole cavity penetrating through the lifting seat in the front-back direction, the lens seat is installed in the first hole cavity, the left surface, the right surface, the front surface and the rear surface of the lens seat are respectively provided with a hemispherical groove, the spherical centers of the four hemispherical grooves are positioned in the same plane perpendicular to the front-back direction, the spherical centers of the two hemispherical grooves on the left surface and the right surface of the lens seat are positioned on the same first axis extending horizontally, the spherical centers of the two hemispherical grooves on the upper surface and the lower surface of the lens seat, each hemispherical groove is internally provided with a ball body, the top surface and the bottom surface of the first cavity are respectively provided with a first strip-shaped groove extending along the front-back direction, the left side wall and the right side wall of the first cavity are respectively provided with a second strip-shaped groove extending along the up-down direction, the shapes of the sections of the first strip-shaped groove and the second strip-shaped groove are matched with the shape of the part of the ball body exceeding the hemispherical groove, the ball body in each hemispherical groove of the lens seat is correspondingly assembled in the first strip-shaped groove or the second strip-shaped groove on the corresponding side,

2. The adjustable lens mount as claimed in claim 1, wherein a first adjusting bolt is disposed on each of left and right sides of the horizontal moving base, an axis of the first adjusting bolt extends in a left-right direction and is threadedly mounted on the base plate, and a distal end of the first adjusting bolt abuts against a portion of the horizontal moving base located in the horizontal sliding groove.

3. The adjustable lens mount as claimed in claim 1, wherein the elevating base is provided with two second adjusting bolts having axes extending in a vertical direction, the two second adjusting bolts are respectively disposed at both sides of the vertical sliding groove, the second adjusting bolts are threadedly mounted on the elevating base, and ends of the second adjusting bolts are pressed against an upper surface of the horizontal moving base.

4. The adjustable lens mount as claimed in claim 1, wherein the two third adjusting bolts are disposed on the upper sidewall of the first bore of the lifting base, the two third adjusting bolts are disposed on the front and rear sides of the hemispherical recess, the axis of the third adjusting bolt extends in a vertical direction and is threadedly mounted on the lifting base, and the end of the third adjusting bolt abuts against the upper surface of the lens holder.

5. The adjustable lens assembly structure as claimed in claim 1, wherein the lifting seat has two fourth adjusting bolts disposed on the left or right sidewall of the first bore, the two fourth adjusting bolts are disposed on the front and rear sides of the hemispherical recess, the axis of the fourth adjusting bolt extends in the left-right direction and is installed on the lifting seat through threads, and the end of the fourth adjusting bolt abuts against the left or right surface of the lens seat.

6. An optical fiber scanning device package structure using the adjustable lens assembly structure as claimed in any one of claims 1 to 5, comprising a scanner support, wherein the scanner support is fixedly installed with an optical fiber scanner module, the scanner support is located at the rear side of the horizontal moving base and the scanner support is fixedly installed on the base plate, with the light beam emitting direction of the optical fiber scanner module as the front.

7. The optical fiber scanning device package structure of claim 6, wherein the optical fiber scanner assembly comprises an actuator and an optical fiber, the two ends of the actuator are a fixed end and a free end, respectively, the fixed end of the actuator is fixedly connected to the second support, the free end of the actuator vibrates in at least two directions relative to the fixed end under the driving of the driving signal, the optical fiber is fixed to the free end of the actuator in a cantilever manner, and the optical fiber emits the light beam toward the optical lens group.

8. The optical fiber scanning device package structure of claim 6 or 7, further comprising a housing and a cover, wherein the housing has an inner cavity with a rear opening, the cover is fixedly connected to the rear end of the housing and seals the rear opening of the inner cavity, the bottom plate is fixedly mounted in the inner cavity of the housing, the cover is provided with a through hole for passing a cable of the optical fiber scanning assembly, and the cable of the optical fiber scanning assembly passes through the through hole.

9. The fiber optic scanning device package of claim 8, wherein a first seal is disposed between the cable and the bore to seal the bore.

10. The optical fiber scanning device package structure of claim 6, wherein the base plate is connected to the cover through a hinge plate, one end of the hinge plate is fixedly connected to the base plate, and the other end of the hinge plate is hinged to the cover through a hinge shaft.