CN110888283A - Focusing device - Google Patents
Focusing device Download PDFInfo
- Publication number
- CN110888283A CN110888283A CN201911104808.3A CN201911104808A CN110888283A CN 110888283 A CN110888283 A CN 110888283A CN 201911104808 A CN201911104808 A CN 201911104808A CN 110888283 A CN110888283 A CN 110888283A
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- Prior art keywords
- mounting
- focusing
- assembly
- mounting plate
- electric drive
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
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- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a focusing device, which comprises a mounting seat, a focusing adjusting component, an electric driving component and a circuit board component, wherein the mounting seat is used for fixedly mounting a shooting camera, the focusing adjusting component comprises a focusing gear ring, the focusing gear ring is used for being sleeved and fixed on a focusing ring of the shooting camera, the electric driving component is arranged on the mounting seat, the electric driving component comprises a driving gear rotatably mounted on the mounting seat, the driving gear is externally meshed with the focusing gear ring, the circuit board component is electrically connected to the electric driving component, a control signal is output through the circuit board, the electric driving component is controlled to drive the driving gear to rotate, so that the focusing gear ring externally meshed with the driving gear rotates, and the remote focus distance adjustment and the optical zooming of the shooting.
Description
Technical Field
The invention relates to the technical field of photography, in particular to a focusing device.
Background
With the increase in the number of people who enjoy photography in recent years, the demand for photographic accessories that satisfy various photographic purposes has also increased. For example, in order to realize shooting between scenes with different distances, the focal distance adjustment and the optical zoom function of the zoom lens are selected to realize the shooting, and many focusing devices which are realized by electrically assisting the zoom lens appear in the market. However, in some special occasions where remote shooting is required, in the process of remote shooting, remote focus distance adjustment and optical zooming of a camera lens are required, and the problem that the remote focus distance adjustment and the optical zooming of a shooting camera cannot be well solved by the conventional focusing device.
Disclosure of Invention
The invention mainly aims to provide a focusing device, and aims to solve the problem that the existing focusing device cannot well solve the problems of remote focus distance adjustment and optical zooming of a shooting camera.
In order to achieve the above object, the present invention provides a focus adjuster, comprising:
the mounting seat is used for fixedly mounting the shooting camera;
the focusing adjusting assembly comprises a focusing gear ring, and the focusing gear ring is used for being sleeved and fixed on a focusing ring of the shooting camera;
the electric drive assembly is arranged on the mounting seat and comprises a drive gear which is rotatably mounted on the mounting seat, and the drive gear is externally meshed with the focusing gear ring; and the number of the first and second groups,
and the circuit board assembly is electrically connected to the electric drive assembly.
Optionally, the mount includes:
the mounting seat body is used for fixedly mounting a shooting camera; and the number of the first and second groups,
the mounting plate extends along the horizontal direction and is movably mounted on the mounting seat body along the vertical direction;
wherein the electric drive assembly is mounted to the mounting plate.
Optionally, the extending direction of the axis of the driving gear is taken as the front-back direction;
the mounting seat body comprises two support rods which extend up and down, and the two support rods are arranged at intervals in the left-right direction;
the mounting panel is striden and is located two between the bracing piece, mounting panel and two be in between the bracing piece the below of mounting panel forms one and wears to establish the space for supply shoot the camera and wear to establish the installation.
Optionally, the mounting seat further includes two first sliding sleeves respectively sleeved on the two support rods, and a threaded hole is formed through an outer side surface of each first sliding sleeve;
the left end and the right end of the mounting plate are respectively fixed on the two first sliding sleeves;
the focusing device further comprises two first adjusting locking rods, the two first adjusting locking rods are respectively installed in the threaded holes in a corresponding mode, the end faces of the first adjusting locking rods are tightly abutted to the outer side faces of the supporting rods, and therefore the mounting plate is fixedly installed on the supporting rods.
Optionally, the electric driving assembly is movably mounted on the mounting plate along the up-down direction.
Optionally, a height adjustment assembly is further included, the height adjustment assembly comprising:
the bracket comprises a transverse plate which is arranged above the mounting plate and extends along the horizontal direction, and a mounting space is formed between the transverse plate and the mounting plate and used for mounting the electric drive assembly;
the adjusting rod is movably inserted into the transverse plate in the vertical direction, and the lower end face of the adjusting rod is abutted to the upper end face of the electric drive assembly; and the number of the first and second groups,
and the elastic jacking component is arranged between the mounting plate and the electric drive component and is used for elastically abutting against the lower end surface of the electric drive component.
Optionally, a mounting hole penetrates through the upper end surface of the transverse plate, and an internal thread is arranged on the inner wall surface of the mounting hole;
the outer side surface of the adjusting rod is provided with an external thread matched with the internal thread, and the adjusting rod is correspondingly installed in the mounting hole in a threaded mode.
Optionally, the elastic pressing assembly comprises:
the positioning column extends up and down, and the lower end of the positioning column is installed on the installation plate;
the lower end of the spring is sleeved on the positioning column; and the number of the first and second groups,
the sleeve is arranged at the upper end of the spring and is abutted against the lower end face of the electric drive assembly.
Optionally, the bracket further comprises a bracket rod extending in the up-down direction;
the height adjusting assembly further comprises a guide sliding block movably mounted with the support rod, and the guide sliding block is mounted on the electric driving assembly.
Optionally, a guide structure is arranged between the bracket and the mounting plate, the guide structure includes a guide groove and a guide protrusion matched with the guide groove, one of the guide groove and the guide protrusion is located on the bracket, and the other is located on the mounting plate.
In the technical scheme provided by the invention, the focusing device comprises a mounting seat, a focusing adjusting component, an electric driving component and a circuit board component, wherein the mounting seat is used for fixedly mounting the shooting camera, the focusing adjusting component comprises a focusing gear ring which is used for being sleeved and fixed on a focusing ring of the shooting camera, the electric driving component is arranged on the mounting seat, the electric driving component comprises a driving gear which is rotatably mounted on the mounting seat, the driving gear is externally meshed with the focusing gear ring, the circuit board component is electrically connected to the electric driving component, and the electric driving component is controlled to drive the driving gear to rotate by outputting a control signal through a circuit board so as to enable the focusing gear ring which is externally meshed with the driving gear to rotate, thereby realizing the remote focus distance adjustment and the optical zooming of the shooting camera.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a focus mount provided by the present invention;
FIG. 2 is a schematic front view of the focus mount of FIG. 1;
FIG. 3 is a schematic view of the height adjustment assembly of FIG. 1;
fig. 4 is a schematic view of the height adjustment assembly of fig. 3, shown disassembled.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With the increase in the number of people who enjoy photography in recent years, the demand for photographic accessories that satisfy various photographic purposes has also increased. For example, in order to realize shooting between scenes with different distances, the focal distance adjustment and the optical zoom function of the zoom lens are selected to realize the shooting, and many focusing devices which are realized by electrically assisting the zoom lens appear in the market. However, in some special occasions where remote shooting is required, in the process of remote shooting, remote focus adjustment and optical zooming of a camera lens are required, and the problem of remote focus distance adjustment and optical zooming of a shooting camera cannot be well solved by the conventional focusing device.
The invention mainly aims to provide a focusing device, and aims to solve the problem that the existing focusing device cannot well solve the problems of remote focus distance adjustment and optical zooming of a shooting camera. Fig. 1 to 4 are schematic views of embodiments of the focus adjuster.
Referring to fig. 1 to 2, the focusing device 100 includes a mounting base 1, a focusing adjustment assembly 2, an electric driving assembly 3 and a circuit board assembly, the mounting base 1 is used for fixedly mounting the photographing camera 1000, the focusing adjustment assembly 2 includes a focusing gear ring 21, the focusing gear ring 21 is used for being sleeved and fixed on a focusing ring of the photographing camera 1000, the electric driving assembly 3 is disposed on the mounting base 1, the electric driving assembly 3 includes a driving gear 31 rotatably mounted to the mounting base 1, the driving gear 31 is externally engaged with the focusing gear ring 21, and the circuit board assembly is electrically connected to the electric driving assembly 3.
In the technical scheme provided by the invention, the circuit board assembly receives and outputs a control signal to control the electric drive assembly 3 to drive the driving gear 31 to rotate, so that the focusing gear ring 21 externally meshed with the driving gear 31 rotates to drive the focusing ring of the shooting camera 1000 to rotate, and the remote focus distance adjustment and the optical zooming of the shooting camera 1000 are realized.
It should be noted that, the electric drive assembly 3 is in driving connection with the driving gear 31, in this embodiment, a driving disk a coaxial with the driving gear 31 is disposed at an output end of the electric drive assembly 3, and the driving disk a is detachably mounted on the driving gear 31, so that when the driving gear 31 is worn during long-term use, the driving gear 31 is convenient to replace.
Considering that the driving gear 31 and the focusing gear ring 21 need to be adjusted to precisely engage the driving gear 31 and the focusing gear ring 21 in the actual use process, in this embodiment, the mount 1 includes a mount body 11 and a mounting plate 12, the mount body 11 is used to fixedly mount the photographing camera 1000, the mounting plate 12 extends along the horizontal direction, the mounting plate 12 is movably mounted on the mount body 11 along the vertical direction, and the electric driving assembly 3 is mounted on the mounting plate 12.
In the above implementation manner, because the electric driving assembly 3 is mounted to the mounting plate 12, the electric driving assembly 3 is mounted on the mounting seat body 11 along the vertical direction along with the mounting plate 12, so that the driving gear 31 moves along the vertical direction to be externally engaged with the focusing gear ring 21 on the focusing ring fixed to different sizes in a sleeved manner, so as to ensure the accurate engagement between the driving gear 31 and the focusing gear ring 21.
Specifically, with the extending direction of the axis of the driving gear 31 as the front and rear direction, the mounting seat body 11 includes two support rods 111 extending in the vertical direction, the two support rods 111 are arranged at intervals in the left and right directions, the mounting plate 12 is spanned between the two support rods 111, a penetrating space is formed between the mounting plate 12 and the two support rods 111 below the mounting plate 12, and by penetrating and mounting the photographing camera 1000 to the penetrating space, a double-arm supporting manner is adopted, so that when the mounting plate 12 moves downward, the driving gear 31 is engaged with the focusing gear ring 21 sleeved on the focusing ring fixed to the photographing camera 1000 more stably, and the phenomenon that the driving gear 31 slips with the focusing gear ring 21 due to the insecure mounting between the electric driving component 3 and the mounting seat body 11 is avoided during the actual use, affecting the focus distance adjustment and optical zoom effect of the focus adjuster 100.
Realize mounting panel 12 along from top to bottom movable mounting in there is a plurality ofly the mode of mounting panel body 11, specifically, in this embodiment, mounting panel 1 is still including overlapping respectively and locates two first sliding sleeves 13 on the bracing piece 111, each the lateral surface of first sliding sleeve 13 runs through and is equipped with the screw hole, both ends are fixed in two respectively about mounting panel 12 on the first sliding sleeve 13, through inciting somebody to action mounting panel 12 is along two bracing piece 111 slides, so that install in mounting panel 12 drive gear 31 is along moving to the top and bottom, in order to establish with the cover and be fixed in unidimensional focusing gear circle 21 external toothing on the focusing ring, in order to guarantee drive gear 31 and unidimensional the accurate meshing of focusing gear circle 21. The focusing device 100 further comprises two first adjusting locking rods 5, wherein the two first adjusting locking rods 5 are respectively installed in the threaded holes in a threaded mode, when the mounting plate 12 slides to enable the driving gear 31 to be meshed with the focusing gear ring 21 accurately, the first adjusting locking rods 5 are rotated, the end face of each first adjusting locking rod 5 abuts against the outer side face of the supporting rod 111, so that the mounting plate 12 is fixedly installed on the supporting rod 111, and the operation is simple.
Referring to fig. 1, in this embodiment, the mount base body 11 further includes two mounting rods 112 extending forward and backward and arranged along the left-right direction at intervals, and two second sliding sleeves 113 respectively sleeved on the two mounting rods 112, a threaded hole is formed through an outer side surface of each second sliding sleeve 113, lower ends of the two support rods 111 are respectively fixedly mounted on the two second sliding sleeves 113, and the two support rods 111 slide along the two mounting rods 112, so that the drive gear 31 mounted on the mounting plate 12 moves forward and backward to be externally engaged with the focusing gear rings 21 sleeved on the focusing rings fixed to different sizes, thereby ensuring accurate engagement between the drive gear 31 and the focusing gear rings 21 of different sizes. The focusing device 100 further comprises two second adjusting locking rods 6, wherein the two second adjusting locking rods 6 are respectively installed in the threaded holes in a threaded mode, the end faces of the second adjusting locking rods 6 are tightly abutted to the outer side faces of the installation rods 112, when the supporting rod 111 slides to enable the driving gear 31 to be accurately meshed with the focusing gear ring 21, the second adjusting locking rods 6 are rotated to enable the end faces of the second adjusting locking rods 6 to be tightly abutted to the outer side faces of the installation rods 112, so that the supporting rod 111 is fixedly installed on the installation rods 112, and the operation is simple.
In order to realize accurate adjustment of the driving gear 31 and enable the driving gear 31 to be precisely meshed with the focusing gear ring 21, specifically, referring to fig. 3 to 4, in the embodiment, the electric driving assembly 3 is movably mounted on the mounting plate 12 in the up-down direction, and the driving gear 31 is meshed with the focusing gear ring 21 by changing the distance from the electric driving assembly 3 to the mounting plate 12, so that the operation is simple.
There are various ways to realize the up-and-down movable mounting of the electric driving assembly 3 on the mounting plate 12, for example, the electric driving assembly 3 is up-and-down movably mounted on the mounting plate 12 through an air cylinder, an oil cylinder, a ball screw, etc., which is not limited in this application, specifically, referring to fig. 2, the focus adjuster 100 further includes a height adjusting assembly 7, the height adjusting assembly 7 includes a bracket 71, an adjusting rod 72 and an elastic pressing assembly 73, the bracket 71 includes a transverse plate 711 installed above the mounting plate 12 and extending along the horizontal direction, a mounting space is formed between the transverse plate 711 and the mounting plate 12 for mounting the electric driving assembly 3, the adjusting rod 72 is movably inserted in the transverse plate 711 along the up-and-down direction, and the lower end surface of the adjusting rod 72 abuts against the upper end surface of the electric driving assembly 3, the elastic pressing assembly 73 is disposed between the mounting plate 12 and the electric driving assembly 3, for elastically abutting against the lower end face of the electric drive assembly 3.
In the above implementation, the adjusting lever 72 is moved downward to push the electric driving assembly 3 to move downward, the elastic pressing assembly 73 is compressed to move downward, so that the electric driving assembly 3 is moved downward to be close to the mounting plate 12, so that the driving gear 31 is precisely engaged with the focusing gear ring 21 with the small size, when the large-size photographing camera 1000 is replaced, the adjusting lever 72 is moved upward, and the compressed elastic pressing assembly 73 pushes the electric driving assembly 3 upward, so that the electric driving assembly 3 is moved upward to be far away from the mounting plate 12, so that the driving gear 31 is precisely engaged with the focusing gear ring 21 with the large size, so that the focusing device 100 can be applied to photographing cameras 1000 with different sizes, and the operation is simple.
It should be noted that there are various forms for realizing that the adjusting rod 72 is movably inserted into the transverse plate 711 in the up-down direction, for example, a plurality of arc-shaped protrusions and grooves adapted to the arc-shaped protrusions are arranged between the outer wall of the adjusting rod 72 and the transverse plate 711 at intervals in the up-down direction, the adjusting rod 72 is movably inserted into the transverse plate 711 in the up-down direction by pushing the arc-shaped protrusions located above to slide in the arc-shaped grooves located below, specifically, in this embodiment, the upper end surface of the transverse plate 711 is provided with a mounting hole in a penetrating manner, the inner wall surface of the mounting hole is provided with an internal thread, the outer side surface of the adjusting rod 72 is provided with an external thread adapted to the internal thread, the adjusting rod 72 is correspondingly threadedly mounted in the mounting hole, and the adjusting rod 72 is movably inserted into the transverse plate 711 in the up-down direction by rotating the adjusting rod 72, and the threaded connection is more convenient for controlling the distance to be adjusted up and down, and the operation is simple.
Specifically, the elastic pressing component 73 includes a positioning column 731, a spring 732 and a sleeve 733, the positioning column 731 extends in the vertical direction, the lower end of the positioning column 731 is mounted on the mounting plate 12, the lower end of the spring 732 is sleeved on the positioning column 731, the sleeve 733 is disposed at the upper end of the spring 732 and abuts against the lower end surface of the electric driving component 3, so as to support the electric driving component 3, and when the adjusting rod 72 moves upward, the spring 732 extends to push the electric driving component 3 to move upward, so that the electric driving component 3 moves stably, and the spring 732 can be replaced as required.
It should be noted that, in other embodiments, the elastic pressing component 73 may also be a spring, one end of the spring is fixedly mounted on the mounting plate 12, and the other end of the spring abuts against the lower end surface of the electric driving component 3, so that the structure is simple and the cost is saved.
In order to make the up-and-down movement of the electric driving assembly 3 more stable, the bracket 71 further includes a bracket rod 712 extending in the up-and-down direction, and the height adjusting assembly 7 further includes a guiding slider 74 movably mounted with the bracket rod 712, wherein the guiding slider 74 is mounted on the electric driving assembly 3, so that the up-and-down movement of the electric driving assembly 3 is more stable.
Specifically, in this embodiment, two guiding sliders 74 are provided, one of the guiding sliders 74 is installed on one side surface of the electric driving component 3, a groove matched with the support rod 712 is formed on the side surface of the guiding slider 74 away from the electric driving component 3, the groove extends in the up-down direction, and the support rod 712 is clamped in the groove, so that the electric driving component 3 can slide in the up-down direction. Another direction slider 74 in this application install in the another side of electric drive component 3, direction slider 74 keeps away from the protruding boss that is equipped with along the vertical extension setting in a side of electric drive component 3, the boss with the side wall face of cradling piece 712 offsets, so that electric drive component 3 slidable mounting in cradling piece 712.
It should be noted that, the number and the structure of the guide sliders 74 may be set as required, one guide slider 74 may be provided, and one guide slider 74 may be movably clamped to the support rod 712 along the up-down direction, so as to realize that the electric driving assembly 3 moves more stably along the up-down direction.
In order to facilitate the mounting of the bracket 71 on the mounting plate 12, a guide structure 8 is arranged between the bracket 71 and the mounting plate 12, the guide structure 8 comprises a guide groove 81 and a guide protrusion 82 matched with the guide groove 81, one of the guide groove 81 and the guide protrusion 82 is located on the bracket 71, the other is located on the mounting plate 12, and the bracket 71 and the mounting plate 12 are convenient to mount and the driving gear 31 and the focusing gear ring 21 are convenient to mesh externally through the guide structure 8.
In view of facilitating the assembly and disassembly of the height adjustment assembly 7, referring to fig. 3, in this embodiment, the height adjustment assembly 7 further includes a base plate a, the base plate a is detachably mounted on the mounting plate 12 and moves up and down along with the mounting plate 12, and a guide structure 8 is disposed between the base plate a and the bracket 71 to facilitate the mounting of the bracket 71.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A focus adjuster for remote focus distance adjustment and optical zooming of a photographing camera, comprising:
the mounting seat is used for fixedly mounting the shooting camera;
the focusing adjusting assembly comprises a focusing gear ring, and the focusing gear ring is used for being sleeved and fixed on a focusing ring of the shooting camera;
the electric drive assembly is arranged on the mounting seat and comprises a drive gear which is rotatably mounted on the mounting seat, and the drive gear is externally meshed with the focusing gear ring; and the number of the first and second groups,
and the circuit board assembly is electrically connected to the electric drive assembly.
2. The focus of claim 1, wherein said mount comprises:
the mounting seat body is used for fixedly mounting a shooting camera; and the number of the first and second groups,
the mounting plate extends along the horizontal direction and is movably mounted on the mounting seat body along the vertical direction;
wherein the electric drive assembly is mounted to the mounting plate.
3. The focus adjuster according to claim 2, wherein the direction in which the axis of the drive gear extends is a forward-backward direction;
the mounting seat body comprises two support rods which extend up and down, and the two support rods are arranged at intervals in the left-right direction;
the mounting panel is striden and is located two between the bracing piece, mounting panel and two be in between the bracing piece the below of mounting panel forms one and wears to establish the space for supply shoot the camera and wear to establish the installation.
4. The focusing device of claim 3, wherein said mounting base further comprises two first sliding sleeves respectively sleeved on two of said supporting rods, and a threaded hole is formed through an outer side surface of each of said first sliding sleeves;
the left end and the right end of the mounting plate are respectively fixed on the two first sliding sleeves;
the focusing device further comprises two first adjusting locking rods, the two first adjusting locking rods are respectively installed in the threaded holes in a corresponding mode, the end faces of the first adjusting locking rods are tightly abutted to the outer side faces of the supporting rods, and therefore the mounting plate is fixedly installed on the supporting rods.
5. The focus adjuster according to claim 2, wherein said electrically driven assembly is movably mounted to said mounting plate in an up and down direction.
6. The focus adjuster of claim 5, further comprising a height adjustment assembly, said height adjustment assembly comprising:
the bracket comprises a transverse plate which is arranged above the mounting plate and extends along the horizontal direction, and a mounting space is formed between the transverse plate and the mounting plate and used for mounting the electric drive assembly;
the adjusting rod is movably inserted into the transverse plate in the vertical direction, and the lower end face of the adjusting rod is abutted to the upper end face of the electric drive assembly; and the number of the first and second groups,
and the elastic jacking component is arranged between the mounting plate and the electric drive component and is used for elastically abutting against the lower end surface of the electric drive component.
7. The focus adjuster according to claim 6, wherein a mounting hole is provided through an upper end surface of the cross plate, and an internal thread is provided on an inner wall surface of the mounting hole;
the outer side surface of the adjusting rod is provided with an external thread matched with the internal thread, and the adjusting rod is correspondingly installed in the mounting hole in a threaded mode.
8. The focus adjuster of claim 6, wherein said resilient biasing assembly comprises:
the positioning column extends up and down, and the lower end of the positioning column is installed on the installation plate;
the lower end of the spring is sleeved on the positioning column; and the number of the first and second groups,
the sleeve is arranged at the upper end of the spring and is abutted against the lower end face of the electric drive assembly.
9. The focus adjuster according to claim 6, wherein said frame further comprises a frame rod extending in an up-down direction;
the height adjusting assembly further comprises a guide sliding block movably mounted with the support rod, and the guide sliding block is mounted on the electric driving assembly.
10. A focus adjuster according to claim 6, wherein a guide structure is provided between the bracket and the mounting plate, the guide structure comprising a guide slot and a guide projection cooperating with the guide slot, one of the guide slot and the guide projection being located in the bracket and the other of the guide slot and the guide projection being located in the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104808.3A CN110888283A (en) | 2019-11-12 | 2019-11-12 | Focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104808.3A CN110888283A (en) | 2019-11-12 | 2019-11-12 | Focusing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110888283A true CN110888283A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911104808.3A Pending CN110888283A (en) | 2019-11-12 | 2019-11-12 | Focusing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764296A (en) * | 2021-02-01 | 2021-05-07 | 中山阅光智能影像科技有限公司 | Shooting auxiliary device |
| CN113359371A (en) * | 2021-05-31 | 2021-09-07 | 吉林大学 | Resettable locking device suitable for space camera focusing mechanism |
-
2019
- 2019-11-12 CN CN201911104808.3A patent/CN110888283A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764296A (en) * | 2021-02-01 | 2021-05-07 | 中山阅光智能影像科技有限公司 | Shooting auxiliary device |
| CN113359371A (en) * | 2021-05-31 | 2021-09-07 | 吉林大学 | Resettable locking device suitable for space camera focusing mechanism |
| CN113359371B (en) * | 2021-05-31 | 2023-04-07 | 吉林大学 | Resettable locking device suitable for space camera focusing mechanism |
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