CN219871920U - Infrared optical system focus adjustment mechanism - Google Patents
Infrared optical system focus adjustment mechanism Download PDFInfo
- Publication number
- CN219871920U CN219871920U CN202223609088.6U CN202223609088U CN219871920U CN 219871920 U CN219871920 U CN 219871920U CN 202223609088 U CN202223609088 U CN 202223609088U CN 219871920 U CN219871920 U CN 219871920U
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- groove
- adjusting
- block
- optical system
- infrared optical
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 241000463219 Epitheca Species 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 10
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model provides a focusing mechanism of an infrared optical system, which relates to the technical field of focusing devices and comprises an upper shell, wherein a lower shell is arranged on the bottom surface of the upper shell, the lower shell is movably connected with the upper shell, a movable groove is formed in the surface of the upper shell, an adjusting block is arranged in the movable groove and is movably connected with the movable groove, an adjusting gear is arranged on the surface of the adjusting block and penetrates through the adjusting block, a positioning groove is formed in the surface array of the adjusting gear, a positioning rod is arranged in the adjusting block and is movably connected with the adjusting block, the positioning rod is in clamping connection with the positioning groove, when the adjusting gear does not need to be adjusted, the positioning rod is in clamping connection with the positioning groove, so that the adjusting gear cannot rotate when the adjusting gear needs to be rotated, and when the adjusting gear needs to be rotated, the positioning rod only needs to be moved out of the positioning groove corresponding to the adjusting gear, and the design enhances the accuracy of the focusing mechanism.
Description
Technical Field
The utility model relates to the technical field of focusing devices, in particular to a focusing mechanism of an infrared optical system.
Background
The infrared lens in the infrared optical system adopts special optical glass materials, and adopts the latest optical design method to eliminate focal plane deviation of visible light and infrared light, so that light rays from visible light to infrared light can be imaged on the same focal plane, and the images can be clear.
An infrared lens focus regulator is disclosed according to patent No. CN211826671U, which is provided on an infrared lens including a first sleeve and a second sleeve arranged on the same axis. The infrared lens focusing device structure comprises an adjusting mechanism and a focusing sleeve, wherein the adjusting mechanism is arranged on the first sleeve in a guiding manner along the axis direction, an adjusting gear capable of rotating in an operating manner is arranged on the adjusting mechanism, and a rack which is arranged along the axis direction and can be meshed with the adjusting gear is constructed on the first sleeve. In addition, the focusing sleeve is rotatably mounted on the adjusting mechanism around the axis, and one end of the focusing sleeve, which is opposite to the second sleeve, is provided with teeth which can be meshed with the adjusting gear. The focusing sleeve is provided with a driving thread, and the second sleeve is provided with a matching thread matched with the driving thread. The adjusting gear can be switched in position to be engaged with the rack and the teeth alternatively. The infrared lens focusing device is beneficial to improving the operability and the operation stability of lens focusing.
The following problems exist in the infrared optical system focus adjustment mechanisms disclosed in the above patent documents:
1. in the existing infrared optical system focusing mechanism, when coarse adjustment and fine adjustment are carried out, coarse adjustment is easy to rotate along with fine adjustment, so that inaccurate adjustment is caused, and when the focusing mechanism is carelessly touched in the use process, the focusing accuracy is easy to influence.
2. The existing infrared optical system focusing mechanism has low adaptability, and usually one mechanism can only focus one system, so that the focusing cost is increased.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an infrared optical system focusing mechanism.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an infrared optical system focus adjustment mechanism, includes the epitheca, the bottom surface of epitheca is equipped with the inferior valve, and inferior valve and epitheca swing joint, the movable groove has been seted up on the surface of epitheca, be equipped with the regulating block in the movable groove, and regulating block and movable groove swing joint, the surface of regulating block is equipped with adjusting gear, and adjusting gear runs through the regulating block, the constant head tank has been seted up to adjusting gear's surface array, be equipped with the locating lever in the regulating block, and locating lever and regulating block swing joint, and the locating lever is connected with the constant head tank block.
Preferably, the limiting groove is formed in the movable groove, a limiting block is arranged on the side face of the adjusting block and movably connected with the limiting groove, a fastening rod is arranged on the side face of the upper shell and is in threaded connection with the upper shell, and the fastening rod penetrates through the side face of the movable groove.
Preferably, the inner parts of the upper shell and the lower shell are provided with mounting grooves, semi-ring pads are arranged in the mounting grooves, and the semi-ring pads are connected with the mounting grooves in a clamping mode.
Preferably, the top surface array of inferior valve is equipped with the fixture block, the draw-in groove has been seted up to the bottom surface array of epitheca, and the draw-in groove runs through the side of epitheca, and fixture block and draw-in groove block connection.
Preferably, a rolling groove is formed in the surface of the adjusting block, the rolling groove penetrates through the adjusting block, and the adjusting gear is movably connected with the rolling groove.
Preferably, the surface of locating lever is equipped with the fixed block, the adjustment tank has been seted up to the top surface of fixed block, and fixed block and adjustment tank swing joint.
Preferably, the length of the positioning rod is greater than the distance between the adjusting gears.
Preferably, the semi-ring pad is formed by thermoplastic rubber.
Advantageous effects
According to the utility model, the positioning rod is arranged in the adjusting block and is in clamping connection with the positioning groove formed in the surface of the adjusting gear, when the adjusting gear does not need to be adjusted, the positioning rod is in clamping connection with the positioning groove, so that the adjusting gear cannot rotate when touched, and when the adjusting gear needs to be rotated, the positioning rod only needs to be moved out of the positioning groove corresponding to the adjusting gear, and the design enhances the accuracy of the focusing mechanism.
In the utility model, the limiting groove is arranged in the movable groove, the limiting groove is movably connected with the limiting block on the side surface of the adjusting block, when the infrared optical system device is placed in the upper shell and the lower shell, the adjusting block is moved to enable the adjusting gear to be in contact with the infrared optical system device, and then the adjusting block is fixed through the fastening rod, so that the focusing mechanism can be suitable for the infrared optical system devices with different sizes, and the focusing cost is reduced.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
fig. 4 is an enlarged view of the structure of fig. 2 a.
Legend description:
1. an upper case; 2. an adjusting block; 3. a lower case; 4. a clamping groove; 5. a half ring pad; 6. a limiting block; 7. a clamping block; 8. a fastening rod; 9. a limit groove; 10. a movable groove; 11. a mounting groove; 12. an adjusting gear; 13. a fixed block; 14. a positioning groove; 15. a positioning rod; 16. an adjustment tank; 17. rolling grooves.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Specific embodiments of the present utility model are described below with reference to the accompanying drawings.
First embodiment:
as shown in fig. 1-4, an infrared optical system focus adjusting mechanism comprises an upper shell 1, a lower shell 3 is arranged on the bottom surface of the upper shell 1, the lower shell 3 is movably connected with the upper shell 1, a movable groove 10 is formed in the surface of the upper shell 1, an adjusting block 2 is arranged in the movable groove 10, the adjusting block 2 is movably connected with the movable groove 10, an adjusting gear 12 is arranged on the surface of the adjusting block 2, the adjusting gear 12 penetrates through the adjusting block 2, a positioning groove 14 is formed in the surface array of the adjusting gear 12, a positioning rod 15 is arranged in the adjusting block 2, the positioning rod 15 is movably connected with the adjusting block 2, the positioning rod 15 is connected with the positioning groove 14 in a clamping manner, when the adjusting gear 12 does not need to be adjusted, the adjusting gear 12 cannot rotate when the adjusting gear 12 needs to be rotated, the positioning rod 15 only needs to be moved out of the positioning groove 14 corresponding to the adjusting gear 12, and the precision of the focus adjusting mechanism is enhanced through the design.
The rolling groove 17 has been seted up on the surface of regulating block 2, and rolling groove 17 runs through regulating block 2, and adjusting gear 12 and rolling groove 17 swing joint, the surface of locating lever 15 is equipped with fixed block 13, adjusting groove 16 has been seted up to the top surface of fixed block 13, and fixed block 13 and adjusting groove 16 swing joint, the length of locating lever 15 is greater than the distance between the adjusting gear 12, when locating lever 15 simultaneously with constant head tank 14 block, two adjusting gear 12 can not rotate the regulation, when the constant head tank 14 block on locating lever 15 and one of them adjusting gear 12 surface, another adjusting gear 12 can rotate, each other does not influence.
Specific embodiment II:
as shown in fig. 1-4, a limiting groove 9 is formed in the movable groove 10, a limiting block 6 is arranged on the side face of the adjusting block 2, the limiting block 6 is movably connected with the limiting groove 9, a fastening rod 8 is arranged on the side face of the upper shell 1, the fastening rod 8 is in threaded connection with the upper shell 1, the fastening rod 8 penetrates through the side face of the movable groove 10, when the infrared optical system device is placed in the upper shell 1 and the lower shell 3, the adjusting block 2 is moved to enable the adjusting gear 12 to be in contact with the infrared optical system device, then the adjusting block 2 is fixed through the fastening rod 8, and the focusing mechanism can be suitable for the infrared optical system devices with different sizes through the design, so that focusing cost is reduced.
The mounting groove 11 has been seted up to the inside of epitheca 1 and inferior valve 3, be equipped with the semi-ring pad 5 in the mounting groove 11, and semi-ring pad 5 and mounting groove 11 block are connected, semi-ring pad 5 adopts rubber to thermoplastically form, can be according to the semi-ring pad 5 of the infrared optical system device of equidimension different radiuses of installation in mounting groove 11, make device stable installation in the mechanism, inferior valve 3's top surface array is equipped with fixture block 7, draw-in groove 4 has been seted up to epitheca 1's bottom surface array, and draw-in groove 4 runs through epitheca 1's side, and fixture block 7 and draw-in groove 4 block connection.
To sum up:
1. adopt the design of locating lever 15 and constant head tank 14, when adjusting gear 12 need not adjust, locating lever 15 and constant head tank 14 block are connected, make adjusting gear 12 can not rotate when touching, when needs rotate adjusting gear 12, only need with locating lever 15 follow in the constant head tank 14 that corresponds adjusting gear 12 can, strengthened focusing mechanism's precision.
2. By adopting the design of the limiting block 6, the limiting groove 9 and the fastening rod 8, when the infrared optical system device is placed in the upper shell 1 and the lower shell 3, the adjusting block 2 is moved to enable the adjusting gear 12 to be in contact with the infrared optical system device, and then the adjusting block 2 is fixed through the fastening rod 8, so that the focusing mechanism can be suitable for the infrared optical system devices with different sizes.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. An infrared optical system focus adjustment mechanism, includes upper housing (1), its characterized in that: the utility model discloses a motor vehicle seat is characterized in that a lower shell (3) is arranged on the bottom surface of an upper shell (1), the lower shell (3) is movably connected with the upper shell (1), a movable groove (10) is formed in the surface of the upper shell (1), an adjusting block (2) is arranged in the movable groove (10), the adjusting block (2) is movably connected with the movable groove (10), an adjusting gear (12) is arranged on the surface of the adjusting block (2), the adjusting gear (12) penetrates through the adjusting block (2), a positioning groove (14) is formed in the surface array of the adjusting gear (12), a positioning rod (15) is arranged in the adjusting block (2), the positioning rod (15) is movably connected with the adjusting block (2), the positioning rod (15) is connected with the positioning groove (14) in a clamping mode, a limiting groove (9) is formed in the movable groove (10), and a limiting block (6) is arranged on the side surface of the adjusting block (2) and is movably connected with the limiting groove (9).
2. An infrared optical system focus adjustment mechanism according to claim 1, characterized in that the side of the upper housing (1) is provided with a fastening rod (8), the fastening rod (8) is in threaded connection with the upper housing (1), and the fastening rod (8) penetrates through the side of the movable groove (10).
3. An infrared optical system focus adjustment mechanism as defined in claim 1, wherein: the novel semi-ring type solar cell is characterized in that mounting grooves (11) are formed in the upper shell (1) and the lower shell (3), semi-ring gaskets (5) are arranged in the mounting grooves (11), and the semi-ring gaskets (5) are connected with the mounting grooves (11) in a clamping mode.
4. An infrared optical system focus adjustment mechanism as defined in claim 1, wherein: the top surface array of inferior valve (3) is equipped with fixture block (7), draw-in groove (4) have been seted up to the bottom surface array of epitheca (1), and draw-in groove (4) run through the side of epitheca (1), and fixture block (7) and draw-in groove (4) block connection.
5. An infrared optical system focus adjustment mechanism as defined in claim 1, wherein: the surface of the adjusting block (2) is provided with a rolling groove (17), the rolling groove (17) penetrates through the adjusting block (2), and the adjusting gear (12) is movably connected with the rolling groove (17).
6. An infrared optical system focus adjustment mechanism as defined in claim 1, wherein: the surface of locating lever (15) is equipped with fixed block (13), adjusting groove (16) have been seted up to the top surface of fixed block (13), and fixed block (13) and adjusting groove (16) swing joint.
7. An infrared optical system focus adjustment mechanism as defined in claim 1, wherein: the length of the positioning rod (15) is larger than the distance between the adjusting gears (12).
8. An infrared optical system focus adjustment mechanism as defined in claim 3, wherein: the semi-ring pad (5) is formed by thermoplastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223609088.6U CN219871920U (en) | 2022-12-30 | 2022-12-30 | Infrared optical system focus adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223609088.6U CN219871920U (en) | 2022-12-30 | 2022-12-30 | Infrared optical system focus adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871920U true CN219871920U (en) | 2023-10-20 |
Family
ID=88338828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223609088.6U Active CN219871920U (en) | 2022-12-30 | 2022-12-30 | Infrared optical system focus adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871920U (en) |
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2022
- 2022-12-30 CN CN202223609088.6U patent/CN219871920U/en active Active
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