CN217561906U - Lens focusing structure based on projection imaging - Google Patents
Lens focusing structure based on projection imaging Download PDFInfo
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- CN217561906U CN217561906U CN202221005561.7U CN202221005561U CN217561906U CN 217561906 U CN217561906 U CN 217561906U CN 202221005561 U CN202221005561 U CN 202221005561U CN 217561906 U CN217561906 U CN 217561906U
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- fixing frame
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Abstract
The utility model relates to the technical field of projection imaging, which belongs to the field of lens focusing structures, in particular to a lens focusing structure based on projection imaging, comprising a focusing lens fixing frame assembly, wherein the side of the focusing lens fixing frame assembly is provided with a motor fixing frame assembly, and the end part of the focusing lens fixing frame assembly is provided with a motor gear; the structure of the utility model is a symmetrical annular structure design, which locks the imaging lens into the focusing lens fixing frame assembly through the screws by the focusing lens fixing frame, and the surface adjusting ring is fixed to the internal imaging lens through the screws on the surface adjusting ring and under the adjusting ring; so as to ensure that the focal length of the imaging lens can be adjusted more conveniently and quickly by hand on the outer surface.
Description
Technical Field
The utility model relates to a projection imaging technology field belongs to camera lens focusing structure field, specific camera lens focusing structure based on projection formation of image that says so.
Background
In the existing photographing or projecting apparatus, a zoom lens is an indispensable part, in order to obtain a better imaging effect, the focal length of the lens must be adjustable as required, and a module for realizing the zoom function is a focusing structure, which is mainly used for adjusting the position of the imaging module, and ensuring the clarity and stability of the image presented by the zoom lens and the size of the projected image.
Common focusing structure in the market is for focusing through gear mechanism, but gear mechanism's manufacturing cost is high, has the return stroke error, influences the focusing precision to a certain extent.
Therefore, a lens focusing structure based on projection imaging is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the deficiency of prior art, solved common focusing structure on the market and for focusing through gear mechanism, but gear mechanism's manufacturing cost is high, has the return stroke error, influences the problem of focusing precision to a certain extent.
The utility model provides a technical scheme that its technical problem adopted is: a camera lens focusing structure based on projection formation of image, including focusing lens mount assembly, the avris of focusing lens mount assembly is provided with the motor mount subassembly, and the tip of focusing lens mount assembly is provided with motor gear, the inboard of focusing lens mount assembly is provided with button buckle subassembly, and the top of button buckle subassembly is provided with big diaphragm mount assembly, the bottom of button buckle subassembly is provided with the spring, and the tip of spring is provided with lid behind the mount to the inboard of lid runs through there is the second screw behind the mount.
Preferably, focusing lens mount subassembly includes imaging lens, bearing, focusing lens mount support body, goes up the adjustable ring, adjusts solid fixed ring, lower adjustable ring and first screw, the bearing is installed to imaging lens's avris, and imaging lens's the outside is provided with focusing lens mount support body, the outside of focusing lens mount support body is provided with the adjustable ring, and the bottom of going up the adjustable ring is provided with adjusts solid fixed ring to the bottom of adjusting solid fixed ring is provided with lower adjustable ring, the inboard of focusing lens mount support body is provided with first screw.
Preferably, the imaging lens and the focusing lens fixing frame body form a detachable structure through a first screw, and the imaging lens and the focusing lens fixing frame body are in nested connection.
Preferably, the upper adjusting ring, the adjusting fixing ring, the lower adjusting ring and the imaging lens are connected in a nested manner, and the upper adjusting ring, the adjusting fixing ring and the lower adjusting ring are arranged in a tightly attached manner.
Preferably, the inner diameter of the motor fixing frame assembly corresponds to the outer diameter of the focusing lens fixing frame assembly.
Preferably, the key buckle assembly is connected with the focusing lens fixing frame assembly in a clamping manner, and the focusing lens fixing frame assembly and the fixing frame rear cover form a detachable structure through a second screw.
The utility model discloses an useful part lies in:
1. the device has the advantages that the device is convenient to carry out convenient focusing operation on the device by a user through the arrangement of the focusing lens fixing frame assembly, the imaging lens is nested through the focusing lens fixing frame assembly, the imaging lens is fixed by the first screw, the stability effect of the structure of the device is improved, and meanwhile, the focusing operation on the structure of the device can be conveniently carried out through the arrangement of the upper adjusting ring, the adjusting fixing ring and the lower adjusting ring;
2. then, through the setting of motor mount subassembly, can promote the installation stability of device structure, simultaneously, take in the installation to button buckle subassembly and spring through lid behind the mount to it is further fixed to it through the second screw, the user of being convenient for carries out the dismouting combination to the device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 drawings without inventive exercise.
Fig. 1 is a schematic view of the overall front perspective three-dimensional explosion structure of the present invention;
fig. 2 is a schematic view of the exploded perspective structure of the focusing lens holder assembly of the present invention.
In the figure: 1. a focus lens mount assembly; 101. an imaging lens; 102. a bearing; 103. a focus lens mount frame body; 104. an upper adjusting ring; 105. adjusting the fixing ring; 106. a lower adjustment ring; 107. a first screw; 2. a motor mounting bracket assembly; 3. a motor gear; 4. a key buckle assembly; 5. a large diaphragm fixing frame component; 6. a spring; 7. a rear cover of the fixing frame; 8. a second screw.
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.
Example one
Please refer to fig. 1, a lens focusing structure based on projection imaging includes a focusing lens holder assembly 1, a motor holder assembly 2 is disposed at the side of the focusing lens holder assembly 1, a motor gear 3 is disposed at the end of the focusing lens holder assembly 1, a key buckle assembly 4 is disposed at the inner side of the focusing lens holder assembly 1, a large membrane holder assembly 5 is disposed at the top of the key buckle assembly 4, a spring 6 is disposed at the bottom of the key buckle assembly 4, a holder rear cover 7 is disposed at the end of the spring 6, and a second screw 8 penetrates through the inner side of the holder rear cover 7.
The inner diameter of the motor fixing frame component 2 is correspondingly consistent with the outer diameter of the focusing lens fixing frame component 1; through the setting of motor mount subassembly 2, can promote the installation stability of device structure.
The key buckle component 4 is connected with the focusing lens fixing frame component 1 in a clamping manner, and the focusing lens fixing frame component 1 and the fixing frame rear cover 7 form a detachable structure through a second screw 8; lid 7 accomodates the installation to button buckle subassembly 4 and spring 6 behind the mount to further fix it through second screw 8, the user of being convenient for carries out the dismouting combination to the device.
Example two
Please refer to fig. 2, in a lens focusing structure based on projection imaging, a focusing lens holder assembly 1 includes an imaging lens 101, a bearing 102, a focusing lens holder frame 103, an upper adjusting ring 104, an adjusting fixing ring 105, a lower adjusting ring 106 and a first screw 107, the bearing 102 is installed at the side of the imaging lens 101, the focusing lens holder frame 103 is disposed at the outer side of the imaging lens 101, the upper adjusting ring 104 is disposed at the outer side of the focusing lens holder frame 103, the adjusting fixing ring 105 is disposed at the bottom of the upper adjusting ring 104, the lower adjusting ring 106 is disposed at the bottom of the adjusting fixing ring 105, and the first screw 107 is disposed at the inner side of the focusing lens holder frame 103.
The imaging lens 101 and the focusing lens fixing frame body 103 form a detachable structure through a first screw 107, and the imaging lens 101 and the focusing lens fixing frame body 103 are connected in a nested manner; through focusing lens mount subassembly 1's setting, can be convenient for the user carry out the convenient focusing operation to the device, nest imaging lens 101 through focusing lens mount support body 103 to use first screw 107 to fix it, promoted the stability effect of device structure.
The upper adjusting ring 104, the adjusting fixing ring 105, the lower adjusting ring 106 and the imaging lens 101 are in nested connection, and the upper adjusting ring 104, the adjusting fixing ring 105 and the lower adjusting ring 106 are in close fit arrangement; the arrangement of the upper adjusting ring 104, the adjusting fixing ring 105 and the lower adjusting ring 106 can facilitate the focusing operation of the device structure.
The working principle is as follows: firstly, the focusing operation of a user on the device can be facilitated by setting the focusing lens fixing frame assembly 1, the imaging lens 101 is nested through the focusing lens fixing frame body 103 and is fixed by using a first screw 107, the stability effect of the device structure is improved, and meanwhile, the focusing operation of the device structure can be facilitated by setting the upper adjusting ring 104, the adjusting fixing ring 105 and the lower adjusting ring 106;
then, through the setting of motor mount subassembly 2, can promote the installation stability of device structure, simultaneously, cover 7 accomodates the installation to button buckle subassembly 4 and spring 6 behind the mount to further fix it through second screw 8, the user of being convenient for carries out the dismouting combination to the device.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a camera lens focusing structure based on projection imaging which characterized in that: including focusing lens mount subassembly (1), the avris of focusing lens mount subassembly (1) is provided with motor mount subassembly (2), and the tip of focusing lens mount subassembly (1) is provided with motor gear (3), the inboard of focusing lens mount subassembly (1) is provided with button buckle subassembly (4), and the top of button buckle subassembly (4) is provided with big diaphragm mount subassembly (5), the bottom of button buckle subassembly (4) is provided with spring (6), and the tip of spring (6) is provided with lid (7) behind the mount to the inboard of lid (7) runs through there is second screw (8) behind the mount.
2. The lens focusing structure based on projection imaging of claim 1, characterized in that: the utility model discloses a focusing lens mount subassembly, including focusing lens (101), bearing (102), focusing lens mount support body (103), go up adjustable ring (104), adjust fixed ring (105), lower adjustable ring (106) and first screw (107), bearing (102) are installed to the avris of imaging lens (101), and the outside of imaging lens (101) is provided with focusing lens mount support body (103), the outside of focusing lens mount support body (103) is provided with go up adjustable ring (104), and the bottom of going up adjustable ring (104) is provided with adjusts fixed ring (105) to the bottom of adjusting fixed ring (105) is provided with lower adjustable ring (106), the inboard of focusing lens mount (103) is provided with first screw (107).
3. The lens focusing structure based on projection imaging of claim 2, characterized in that: the imaging lens (101) and the focusing lens fixing frame body (103) form a detachable structure through a first screw (107), and the imaging lens (101) and the focusing lens fixing frame body (103) are connected in a nested mode.
4. The lens focusing structure based on projection imaging of claim 2, characterized in that: go up adjustable ring (104), adjust fixed ring (105), down adjust between ring (106) and imaging lens (101) for nested connection, and go up adjustable ring (104), adjust fixed ring (105) and adjust between ring (106) for closely laminating the setting down.
5. The lens focusing structure based on projection imaging of claim 1, characterized in that: the inner diameter of the motor fixing frame component (2) is correspondingly consistent with the outer diameter of the focusing lens fixing frame component (1).
6. The lens focusing structure based on projection imaging of claim 1, characterized in that: the key buckle assembly (4) is connected with the focusing lens fixing frame assembly (1) in a clamping mode, and the focusing lens fixing frame assembly (1) and the fixing frame rear cover (7) form a detachable structure through a second screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005561.7U CN217561906U (en) | 2022-04-27 | 2022-04-27 | Lens focusing structure based on projection imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005561.7U CN217561906U (en) | 2022-04-27 | 2022-04-27 | Lens focusing structure based on projection imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217561906U true CN217561906U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221005561.7U Active CN217561906U (en) | 2022-04-27 | 2022-04-27 | Lens focusing structure based on projection imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217561906U (en) |
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2022
- 2022-04-27 CN CN202221005561.7U patent/CN217561906U/en active Active
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