CN213210612U

CN213210612U - Two-axis fine adjustment structure

Info

Publication number: CN213210612U
Application number: CN202022549606.4U
Authority: CN
Inventors: 盛晓飞; 傅庆军
Original assignee: Shandong Chaojingshen Information Technology Co ltd
Current assignee: Shandong Chaojingshen Information Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-05-14
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a two-axis fine setting structure belongs to cloud platform camera technical field. The technical scheme is as follows: a two-axis fine adjustment structure comprises a base, wherein a first support is arranged on the base and comprises a bottom plate, first vertical plates are arranged at two ends of the bottom plate, a second support is arranged between the first vertical plates and comprises side plates and second vertical plates arranged at two ends of the side plates, and an auxiliary lens assembly is clamped in the second support; a first screw penetrates through the base and is fixed on the bottom plate in a threaded fit manner; a second screw penetrates through the first vertical plate, and the second screw is fixed on the first vertical plate in a threaded fit mode. The first support can rotate around the Z axis, and the second support can rotate around the X axis. The utility model has the advantages that: the device can enable the auxiliary lens assembly to carry out angle fine adjustment on two axes, and effectively adjust the plane inclination degree of the lens, so that the whole image display effect is improved better.

Description

Two-axis fine adjustment structure

Technical Field

The utility model relates to a cloud platform camera technical field especially relates to a two-axis fine setting structure.

Background

The unmanned aerial vehicle aerial photography uses an unmanned aerial vehicle as an aerial platform, uses an airborne remote sensing device, processes image information by a computer, and makes images according to certain precision requirements, and the unmanned aerial vehicle aerial photography image has the advantages of high definition, large proportion and high real-time performance. Along with the development of unmanned aerial vehicle technique, also brought more challenges to the precision and the function of the cloud platform camera that unmanned aerial vehicle carried on, often need carry on many lens structure simultaneously on unmanned aerial vehicle and satisfy the photographic demand to different functional usage, but because of camera lens error and structure processing itself, assembly tolerance, often lead to having the relative position between each camera lens, the state that the angle and theoretical design value do not accord with, can't effectively guarantee the depth of parallelism between the camera lens, it is unclear to have led to the formation of image, the skew is serious after the formation of image fuses, this just needs one kind can improve the assembly fault-tolerant rate, finally satisfy the device that the overall stability and the assembly tolerance of camera lens subassembly required.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, the utility model aims to provide a two-axis fine setting structure can be with quick accurate the installing on the lens cone of vice lens subassembly, constitute the camera lens module with main lens subassembly to can keep the stability of long-term work, can also carry out the position fine setting in the biax to vice lens subassembly, effectively adjust the plane slope degree of camera lens, thereby it is better to improve whole image display effect.

The utility model discloses a realize through following technical scheme: the utility model provides a two-axis fine setting structure, is including the base that is equipped with perpendicular through-hole, one side of base is equipped with the upper junction plate through supporting the riser, be equipped with support one on the base. The vertical through hole is preferably a counter bore.

The first support comprises a bottom plate, vertical plates are arranged at two ends of the bottom plate, the bottom plate is arranged on the base, and threaded holes are formed in the positions, corresponding to the vertical through holes, on the bottom plate; a first screw penetrates through the vertical through hole, the first screw is screwed into the threaded hole, and the bottom plate is arranged on the base through the first screw;

a second support is arranged between the first vertical plates and comprises a side plate, the second vertical plates are arranged at two ends of the side plate, the outer walls of the second vertical plates abut against the inner walls of the first vertical plates, and the side plate is vertically arranged on one side close to the supporting vertical plate;

a horizontal through hole is formed in the first vertical plate, and a threaded blind hole is formed in the position, corresponding to the horizontal through hole, of the second vertical plate; a second screw penetrates through the horizontal through hole, the second screw is screwed into the threaded blind hole, the second support rotates by taking the second screw as a shaft, the second vertical plate is arranged on the first vertical plate through the second screw, and the horizontal through hole is preferably a counter bore.

Furthermore, a secondary lens assembly is arranged in the second support, and a gap is formed between the secondary lens assembly and the base. The auxiliary lens assembly is respectively contacted with the inner parts of the second vertical plate and the side plate, the auxiliary lens assembly and the second support are fixed on a contact surface in an adhesive mode, generally, one lens module comprises a main lens assembly and a plurality of auxiliary lens assemblies which are jointly installed in the lens barrel, the number of the auxiliary lens assemblies is selected according to requirements, the main lens assembly is generally fixed and not adjustable, and the auxiliary lens assembly needs to be adjusted in order to ensure the plane gradient consistency of all lenses. The device can stably install the auxiliary lens assembly into the lens barrel through the connecting plate, can also finely adjust the installation angle of the auxiliary lens assembly through rotation on an X axis and a Z axis, fixes the auxiliary visible light lens module on the second support through the second screw, enables the second screw to rotate relatively to the first support through the second screw, and enables the first screw to rotate relatively to the base through the second support. The device is fixed on the corresponding position of the lens cone.

After the adjustment is completed, the part needing to be rotated in the device can be locked by utilizing the rotation, the stability of the whole device in the working process is ensured, the angle deviation of the auxiliary lens assembly caused by vibration is avoided, and furthermore, locking screws are arranged on the base and close to the vertical through hole and on the first vertical plate and close to the horizontal through hole in a threaded fit mode; the bottom plate is provided with a clamping groove matched with the locking screw, and the first support and the fixing base can be locked and the second support and the first support can be locked by adjusting the locking screw.

Furthermore, the upper end of the upper connecting plate is designed to be an arc surface, a positioning column is arranged in the middle of the upper connecting plate, and fixing screw holes are formed in two sides of the positioning column. The diameter of the arc surface is the same as the inner diameter of the lens cone, the arc surface can be more attached to the inner wall of the lens cone, the positioning column is positioned in a single point mode, and the lens cone is provided with a positioning hole matched with the positioning column, so that the assembly of a lens module is facilitated, and the assembly cost is reduced; the lens cone is provided with a fixing hole corresponding to the fixing screw hole, a screw penetrates through the fixing hole and is screwed into the fixing screw hole to install the device in place, the whole module is installed more reliably in a double-point fixing mode, the impact vibration and the influence of the module are reduced, the stability increasing effect is good, the shooting angle deviation can be effectively controlled, and the difficulty of independent adjustment of software is reduced.

Further, the lower extreme of bottom plate is equipped with boss one, boss one with the screw hole sets up with one heart, be equipped with on the base with a boss normal running fit's recess, the recess can play the positioning action, makes support rotation of one is more accurate and stable.

In consideration of the fact that when the rotation angle is too large, image adjustment is difficult to control, and is troublesome and laborious, furthermore, a limiting boss is arranged at the upper end of the supporting vertical plate, a cylindrical surface is arranged on one side of the vertical plate close to the supporting vertical plate, and the cylindrical surface abuts against the limiting boss to limit the rotation angle of the support. The size of the limiting boss is set, and the rotating angle of the Z axis is controlled within +/-6 degrees.

Furthermore, an inclined plane is arranged on the side, far away from the supporting vertical plate, of the bottom plate, and the rotating angle of the second support is increased through the fact that the lower end of the auxiliary lens assembly abuts against the inclined plane. So that the rotation angle range on the X axis is at least +/-2.5 DEG

Further, a second boss is arranged on the outer side of the second vertical plate and is concentric with the threaded blind hole; the front end edge of the second vertical plate is in a circular arc shape, the circular arc shape and the second boss are concentrically arranged, and a circular arc baffle corresponding to the circular arc shape is arranged on the inner side of the first vertical plate. The second boss can reduce the contact area with the second vertical plate, so that the second vertical plate can rotate around the X axis more smoothly; the arc shape is matched with the arc baffle, so that the rotating and positioning effects can be achieved, and the rotation is more accurate and stable.

Further, the outer side of the side plate is provided with heat dissipation teeth. The auxiliary lens assembly can generate more heat during working, the rear wall of the auxiliary lens assembly is tightly attached to the inner side of the side plate of the second support during installation, the heat is conducted to the radiating teeth, radiating efficiency is improved, and then the influence of the heat on the lens module is prevented.

Furthermore, the support vertical plate is provided with a threading hole, so that the flat cable of the auxiliary lens assembly passes through the threading hole, and the assembly and the connection are facilitated.

When the auxiliary lens assembly is used, glue is matched for bonding, so that the whole device is more stable, the influence caused by vibration and impact in the working process is reduced, and the auxiliary lens assembly is firstly bonded in the second support; mounting the second bracket on the first bracket, and penetrating the second screw and a locking screw; before locking and fixing, the X-axis micro-angle rotation adjustment is realized through the second screw so as to control the fine adjustment of the upper and lower angles of the lens; mounting the second bracket on the base, and penetrating the first screw and a locking screw; before locking and fixing, the Z-axis micro-angle rotation adjustment is realized through the first screw to control the fine adjustment of the left and right angles of the lens. Then the connecting plate is positioned through the positioning column, and a screw is arranged on the lens cone in a penetrating way to match with the fixing screw hole so as to fix the device in the lens cone; after the adjustment is finished, all moving parts and fasteners are sealed by glue, so that the module is prevented from loosening. According to requirements, a plurality of the device can be used for installing a corresponding number of auxiliary lens assemblies on the lens barrel.

The utility model has the advantages that: the utility model discloses can stably install the secondary lens subassembly on the lens cone, constitute the lens module with the main lens subassembly to realize secondary lens subassembly angle fine setting, can realize that the secondary lens subassembly is at X, the epaxial angle modulation of Z, compensate the image skew phenomenon that causes because of errors such as processing, assembly, make the image merge the effect better; the device is convenient and quick to install, simple in structure and capable of keeping the stability of the auxiliary lens assembly in long-term work.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the usage state of the present invention.

Fig. 3 is a schematic diagram of the overall explosion structure of fig. 1.

Fig. 4 is a schematic structural diagram of the bracket I.

Fig. 5 is a schematic cross-sectional view taken at a-a of fig. 1.

Wherein the reference numerals are: 100. a lens barrel; 200. a main lens assembly; 300. a sub-lens assembly; 3001. arranging wires; 401. a base; 4011. a groove; 4012. a vertical through hole; 4013. a first screw; 4014. locking the screw; 402. a support vertical plate; 4021. threading holes; 4022. a limiting boss; 403. a connecting plate; 4031. a positioning column; 4032. fixing screw holes; 500, bracket one; 501. a base plate; 5011. a threaded hole; 5012. a first boss; 5013. a bevel; 502. a first vertical plate; 5021. a horizontal through hole; 5022. a cylindrical surface; 5023. a circular arc baffle plate; 5024. a second screw; 600. a second bracket; 601. a side plate; 6011. a heat dissipating tooth; 602. a second vertical plate; 6021. a threaded blind hole; 6022. and a second boss.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-5, the utility model is realized by the following technical scheme: the utility model provides a two-axis fine setting structure, includes the unable adjustment base, and the unable adjustment base is equipped with upper junction plate 403 through supporting riser 402 including base 401 that is equipped with perpendicular through-hole 4012, one side of base 401, is equipped with a support 500 on the base 401. The vertical through hole 4012 is preferably a counterbore.

The first support 500 comprises a bottom plate 501, the two ends of the bottom plate 501 are provided with first vertical plates 502, (note the reference numerals) the bottom plate 501 is arranged on the base 401, and threaded holes 5011 are formed in the positions, corresponding to the vertical through holes 4012, on the bottom plate 501; a first screw 4013 penetrates through the vertical through hole 4012, the first screw 4013 is screwed into the threaded hole 5011, and the base plate 501 is arranged on the base 401 through the first screw 4013;

a second support 600 is arranged between the first vertical plates 502, the second support 600 comprises side plates 601, the second vertical plates 602 are arranged at two ends of each side plate 601, the outer walls of the second vertical plates 602 abut against the inner walls of the first vertical plates 502, and the side plates 601 are vertically arranged on one sides close to the supporting vertical plates 402;

a horizontal through hole 5021 is arranged on the first vertical plate 502, and a threaded blind hole 6021 is arranged on the second vertical plate 602 and at a position corresponding to the horizontal through hole 5021; a second screw 5024 penetrates through the horizontal through hole 5021, the second screw 5024 is screwed into the threaded blind hole 6021, the second upright plate 602 is arranged on the first upright plate 502 through the second screw 5024, and the horizontal through hole 5021 is preferably a counter bore.

The secondary lens assembly 300 is arranged in the second support 600, a gap is formed between the secondary lens assembly 300 and the base 401, the secondary lens assembly 300 is respectively contacted with the inner parts of the second vertical plate 602 and the second side plate 601, the secondary lens assembly 300 is fixed with the second support 600 by using an adhesive method on a contact surface, generally, one lens module comprises a main lens assembly 200 and a plurality of secondary lens assemblies 300 which are jointly installed in the lens barrel 100, the number of the secondary lens assemblies 300 is selected according to requirements, the main lens assembly 200 is usually fixed and cannot be adjusted, and in order to guarantee the plane gradient consistency of all lenses, the secondary lens assembly 300 needs to be adjusted. The device stably installs the auxiliary lens assembly 300 in the lens barrel 100 through the connecting plate 403, can also finely adjust the installation angle of the auxiliary lens assembly 300 through rotation on an X axis and a Z axis, fixes the auxiliary visible light lens module on a second support 600 through a second screw 5024, and the second support 600 rotates relative to a first support 500 with the second screw 5024 as an axis and rotates relative to a base 401 with the first screw 4013 of the second support 600 as an axis. The device is fixed on the corresponding position of the lens barrel 100.

By utilizing the rotation, the part which needs to be rotated in the device after the adjustment is finished can be locked, the stability of the whole device in the working process is ensured, the angle deviation of the auxiliary lens assembly 300 caused by vibration is avoided, and locking screws 4014 are arranged on the base 401 and close to the vertical through hole 4012 and on the first vertical plate 502 and close to the horizontal through hole 5021 through threaded matching; the bottom plate 501 is provided with a clamping groove matched with the locking screw 4014, and the locking screw 4014 is adjusted to lock the first support 500 and the fixed base or lock the second support 600 and the first support 500.

The upper end of the upper connecting plate 403 is a circular arc surface, the middle part of the upper connecting plate is provided with a positioning column 4031, and two sides of the positioning column 4031 are provided with fixing screw holes 4032. The diameter of the arc surface is the same as the inner diameter of the lens barrel 100, and the arc surface can be more attached to the inner wall of the lens barrel 100, the positioning column 4031 is positioned in a single point, and the lens barrel 100 is provided with a positioning hole matched with the positioning column 4031, so that the assembly of the lens module is facilitated, and the assembly cost is reduced; the lens cone 100 is provided with fixing holes corresponding to the fixing screw holes 4032, screws penetrate through the fixing holes and are screwed into the fixing screw holes 4032 to install the device in place, the whole module is more reliably installed in a double-point fixing mode, the influence of impact vibration and the module is reduced, the stability increasing effect is good, the shooting angle deviation can be effectively controlled, and the difficulty of independent adjustment of software is reduced.

The lower extreme of bottom plate 501 is equipped with a boss 5012, and a boss 5012 sets up with screw hole 5011 is concentric, be equipped with on the base 401 with a boss 5012 normal running fit's recess 4011, recess 4011 can play the positioning action for the rotation of a support 500 is more accurate and stable.

Considering, when the rotation angle is too big, the image adjustment is difficult to control, takes trouble and labours, and support riser 402 upper end is equipped with spacing boss 4022, and the one side that riser 502 is close to support riser 402 is established to face 5022, supports the angle of restricting support 500 pivoted on spacing boss 4022 through face 5022. The size of the limiting boss 4022 is set, and the rotation angle of the Z axis is controlled within +/-6 degrees.

The side of the bottom plate 501 far away from the supporting vertical plate 402 is provided with an inclined plane 5013, and the lower end of the secondary lens assembly 300 abuts against the inclined plane 5013 to increase the rotation angle of the second bracket 600. So that the rotation angle range on the X axis is at least +/-2.5 DEG

A boss II 6022 is arranged on the outer side of the vertical plate II 602, and the boss II 6022 and the threaded blind hole 6021 are arranged concentrically; the front end edge of the second vertical plate 602 is in a circular arc shape, the circular arc shape is concentric with the second boss 6022, and the inner side of the first vertical plate 502 is provided with a circular arc baffle 5023 corresponding to the circular arc shape. The second boss 6022 can reduce the contact area with the second vertical plate 602, so that the rotation around the X axis is smoother; the circular arc is matched with the circular arc baffle 5023, so that the rotating and positioning effects can be achieved, and the rotation is more accurate and stable.

The outer side of the side plate 601 is provided with a heat dissipation tooth 6011. The secondary lens assembly 300 generates more heat during operation, and the rear wall of the secondary lens assembly 300 is tightly attached to the inner side of the side plate 601 of the second bracket 600 during installation, so that the heat is conducted to the heat dissipation teeth 6011, the heat dissipation efficiency is improved, and the influence of the heat on the lens module is further prevented.

The support riser 402 is provided with a threading hole 4021, so that the flat cable 3001 of the auxiliary lens assembly 300 can conveniently pass through the threading hole 4021, and the assembly and the connection are facilitated.

When the utility model is installed and used, glue is matched for bonding, so that the whole device is more stable, the influence caused by vibration and impact in the working process is reduced, and the vice lens component 300 is firstly bonded in the second bracket 600; mounting the bracket II 600 on the bracket I500, and penetrating a screw II 5024 and a locking screw; before locking and fixing, micro-angle rotation adjustment in the X axial direction is realized through a second bolt 5024 so as to control fine adjustment of the upper angle and the lower angle of the lens; mounting the second bracket 600 on the base 401, and penetrating a first screw 4013 and a locking screw; before locking and fixing, the Z-axis micro-angle rotation adjustment is realized through the first screw 4013 so as to control the fine adjustment of the left and right angles of the lens. Then, the connecting plate 403 is positioned by the positioning column 4031, and screws are arranged on the lens barrel 100 in a penetrating manner to match with the fixing screw holes 4032 so as to fix the device in the lens barrel 100; after the adjustment is finished, all the moving parts and the fasteners are sealed by glue, so that the lens module is prevented from loosening. A corresponding number of sub-lens assemblies 300 may be mounted on the lens barrel 100 using a plurality of the present apparatus, as desired.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. A biaxial fine adjustment structure is characterized by comprising a base provided with a vertical through hole, wherein one side of the base is provided with an upper connecting plate through a supporting vertical plate, and the base is provided with a first support;

the first support comprises a bottom plate, vertical plates are arranged at two ends of the bottom plate, and threaded holes are formed in the positions, corresponding to the vertical through holes, on the bottom plate; a first screw penetrates through the vertical through hole, the first screw is screwed into the threaded hole, and the bottom plate is arranged on the base through the first screw;

a horizontal through hole is formed in the first vertical plate, and a threaded blind hole is formed in the position, corresponding to the horizontal through hole, on the outer side of the second vertical plate; and a second screw penetrates through the horizontal through hole, the second screw is screwed into the threaded blind hole, and the second vertical plate is arranged on the first vertical plate through the second screw.

2. The biaxial vernier structure of claim 1, wherein a sub-lens assembly is provided in the second support, and a gap is provided between the sub-lens assembly and the base.

3. The biaxial fine adjustment structure according to claim 1, wherein locking screws are disposed on the base and the first vertical plate in a threaded fit manner.

4. The biaxial fine adjustment structure according to claim 1, wherein the upper end of the upper connecting plate is an arc surface and a positioning column is disposed in the middle of the upper connecting plate, and fixing screw holes are disposed on two sides of the positioning column.

5. The biaxial vernier structure according to claim 1, wherein a first boss is provided at a lower end of the base plate, the first boss is concentrically provided with the threaded hole, and a groove rotatably fitted with the first boss is provided on the base.

6. The biaxial fine adjustment structure according to claim 1, wherein a limiting boss is provided at an upper end of the supporting riser, a side of the riser near the supporting riser is provided with a cylindrical surface, and a rotation angle of the bracket is limited by the cylindrical surface abutting on the limiting boss.

7. The biaxial vernier structure according to claim 2, wherein an inclined surface is provided on a side of the bottom plate away from the support riser, and a rotation angle of the second bracket is increased by abutting a lower end of the sub-lens assembly against the inclined surface.

8. The biaxial fine adjustment structure according to claim 1, wherein a second boss is provided on an outer side of the second vertical plate, and the second boss is concentric with the threaded blind hole; the front end edge of the second vertical plate is in a circular arc shape, the circular arc shape and the second boss are concentrically arranged, and a circular arc baffle corresponding to the circular arc shape is arranged on the inner side of the first vertical plate.

9. The biaxial vernier structure as claimed in claim 1, wherein heat dissipating teeth are provided on outer sides of the side plates.

10. The biaxial vernier structure of claim 1, wherein the support riser is provided with a threading hole.