CN111308687A - Astronomical telescope focusing device - Google Patents
Astronomical telescope focusing device Download PDFInfo
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- CN111308687A CN111308687A CN201911250699.6A CN201911250699A CN111308687A CN 111308687 A CN111308687 A CN 111308687A CN 201911250699 A CN201911250699 A CN 201911250699A CN 111308687 A CN111308687 A CN 111308687A
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- focusing
- planet carrier
- ball bearing
- gear shaft
- sleeve
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
The invention discloses an astronomical telescope focusing device which comprises a focusing shell, a movable sleeve and a planet carrier, wherein the movable sleeve is sleeved on the outer side of the focusing shell, the planet carrier is arranged at the bottom end of the movable sleeve, a gear shaft penetrates through the planet carrier, a first deep groove ball bearing and a second deep groove ball bearing are sleeved at two end parts of the gear shaft, an elastic stop sleeve is arranged at one end of the first deep groove ball bearing, a steel ball is arranged at one end in the planet carrier through a mounting groove, a wave spring is arranged at one end of the steel ball, a plane ball bearing is arranged at one end of the wave spring through a round nut, the plane ball bearing is sleeved on the gear shaft, a planet sleeve is sleeved on the outer side of the planet carrier, and a rack is arranged at the bottom of the focusing shell. This novel astronomical telescope focusing ware function is various, easy operation, and the production of being convenient for has satisfied the multiple demand in the use, is fit for extensively using widely.
Description
Technical Field
The invention relates to the technical field of astronomical telescope focusing, in particular to an astronomical telescope focusing device.
Background
In the process of astronomical observation, in order to observe a clear image, the focal length of the astronomical telescope is often required to be adjusted according to the distance of an observed object, a mechanism for adjusting the focal length of the astronomical telescope is called a focusing seat, and the focusing seat is a self-contained mechanism of the astronomical telescope.
Patent number CN201920243885.6 discloses an electronic focusing ware of astronomical telescope, and this electronic focusing ware has solved the problem that manual focusing is wasted time and energy to the commonality of electronic focusing ware to current astronomical telescope product on the market has been improved.
The electric focusing device for the astronomical telescope has the following defects: 1. the focusing efficiency cannot be improved by the double focusing handwheels; 2. the focus cannot be accurately positioned by using the methods of coarse adjustment and fine adjustment again. Therefore, we propose an astronomical telescope focusing device.
Disclosure of Invention
The invention mainly aims to provide an astronomical telescope focusing device which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an astronomical telescope focusing device comprises a focusing shell, a movable sleeve and a planet carrier, wherein the movable sleeve is sleeved outside the focusing shell, the planet carrier is arranged at the bottom end of the movable sleeve, a gear shaft penetrates through the planet carrier, a first deep groove ball bearing and a second deep groove ball bearing are sleeved at two end parts of the gear shaft, an elastic stop sleeve is arranged at one end of the first deep groove ball bearing, a steel ball is mounted at one end in the planet carrier through a mounting groove, a wave spring is arranged at one end of the steel ball, a plane ball bearing is mounted at one end of the wave spring through a round nut, the plane ball bearing is sleeved on the gear shaft, a planet sleeve is sleeved outside the planet carrier, a rack is mounted at the bottom of the focusing shell through a fourth inner hexagonal flat end locking screw, and a miniature linear guide rail is mounted at the periphery of the focusing shell, the one end of focusing casing is provided with the clamping ring No. two, No. two clamping rings are inboard to be installed the clamping ring No. one through a hexagon socket head lock screw, the peripheral cover of a clamping ring is equipped with the check ring, and is provided with the elasticity circle between check ring and the clamping ring No. one.
Furthermore, the bottom end of the planet carrier is provided with a stop screw, and the top end of the stop screw is in contact with the elastic stop sleeve.
Furthermore, the two end parts of the gear shaft are respectively sleeved with a first focusing hand wheel and a second focusing hand wheel, a fine adjustment hand wheel is arranged at one end part of the second focusing hand wheel, a fine adjustment rotating shaft is arranged in the fine adjustment hand wheel, and one end part of the fine adjustment rotating shaft is connected with the gear shaft.
Further, the rack is meshed with the gear shaft, a sliding block is arranged on the outer side of the movable sleeve, and the sliding block is located in the miniature linear guide rail.
Furthermore, the planet carrier is installed on the focusing shell through a third inner hexagonal flat end locking screw, and a second inner hexagonal flat end locking screw is arranged on the movable sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. the focusing operation of the telescope is facilitated by rotating the first focusing hand wheel and the second focusing hand wheel, the double focusing hand wheels are convenient to operate, the efficiency is high, the use is convenient, the movable sleeve slides on the focusing shell by meshing the rack and the gear shaft, the function of braking is achieved by upwards rotating the stop screw, and the fine adjustment hand wheel is rotated after coarse adjustment to perform fine adjustment accurately.
2. The sliding block is arranged on the outer side of the movable sleeve, and the sliding block is located in the miniature linear guide rail, so that the whole device is more stable in the focusing sliding process, the waterproof and dustproof effect is achieved by the elastic ring arranged between the locking ring and the first connecting ring, the connection is compact, and the effect is remarkable.
3. Establish in the outside of gear shaft through a deep groove ball bearing and No. two deep groove ball bearing covers, reduce frictional resistance, reduce mechanical resistance, noise reduction, this novel astronomical telescope focusing ware function is various, easy operation, and the production of being convenient for has satisfied the multiple demand in the use, is fit for extensively using widely.
Drawings
FIG. 1 is a schematic view of the overall structure of a focusing device for an astronomical telescope according to the present invention.
FIG. 2 is a cross-sectional view of a focusing device for an astronomical telescope according to the present invention.
In the figure: 1. a focus housing; 2. a socket head cap screw; 3. a micro linear guide rail; 4. a locking ring; 5. an elastic ring; 6. a first connecting ring; 7. a first inner hexagonal flat end locking screw; 8. a second connecting ring; 9. a second inner hexagonal flat end locking screw; 10. moving the sleeve; 11. a third inner hexagonal flat end locking screw; 12. a set screw; 13. a first focusing hand wheel; 14. a gear shaft; 15. an elastic stop sleeve; 16. a first deep groove ball bearing; 17. a rack; 18. a round nut; 19. a flat ball bearing; 20. a wave spring; 21. a steel ball; 22. a planet carrier; 23. a second deep groove ball bearing; 24. finely adjusting the rotating shaft; 25. finely adjusting a hand wheel; 26. a second focusing hand wheel; 27. a planetary sleeve; 28. and a fourth inner hexagonal flat end locking screw.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-2, an astronomical telescope focusing device comprises a focusing housing 1, a movable sleeve 10 and a planet carrier 22, wherein the movable sleeve 10 is sleeved on the outer side of the focusing housing 1, the planet carrier 22 is arranged at the bottom end of the movable sleeve 10, a gear shaft 14 penetrates through the planet carrier 22, a first deep groove ball bearing 16 and a second deep groove ball bearing 23 are sleeved on two end portions of the gear shaft 14, an elastic stop sleeve 15 is arranged at one end of the first deep groove ball bearing 16, a steel ball 21 is arranged at one end in the planet carrier 22 through a mounting groove, a wave spring 20 is arranged at one end of the steel ball 21, a plane ball bearing 19 is arranged at one end of the wave spring 20 through a round nut 18, the plane ball bearing 19 is sleeved on the gear shaft 14, a planet sleeve 27 is sleeved on the outer side of the planet carrier 22, a rack 17 is arranged at the bottom of the focusing housing 1, the miniature linear guide 3 is installed through hexagon socket head cap screw 2 in the periphery of focusing casing 1, the one end of focusing casing 1 is provided with No. two clamping rings 8, No. two clamping rings 8 inboards install No. one clamping ring 6 through an interior hexagonal butt end locking screw 7, the peripheral cover of a clamping ring 6 is equipped with clamping ring 4, and is provided with elastic ring 5 between clamping ring 4 and the clamping ring 6.
Wherein, the bottom end of the planet carrier 22 is provided with a stop screw 12, and the top end of the stop screw 12 is in contact with the elastic stop sleeve 15.
In this embodiment, as shown in fig. 2, the stop screw 12 is rotated upward to perform a braking function, and after coarse adjustment, the fine adjustment hand wheel 25 is rotated to perform fine adjustment.
The two end parts of the gear shaft 14 are respectively sleeved with a first focusing hand wheel 13 and a second focusing hand wheel 26, a fine adjustment hand wheel 25 is arranged at one end part of the second focusing hand wheel 26, a fine adjustment rotating shaft 24 is arranged in the fine adjustment hand wheel 25, and one end part of the fine adjustment rotating shaft 24 is connected with the gear shaft 14.
The rack 17 is meshed with the gear shaft 14, and a sliding block is arranged on the outer side of the movable sleeve 10 and positioned in the micro linear guide rail 3.
In the present embodiment, as shown in fig. 1, the movable sleeve 10 is slid on the focus adjustment housing 1 by engaging the rack 17 with the pinion shaft 14.
The planet carrier 22 is mounted on the focusing housing 1 through a third inner hexagonal flat end locking screw 11, and the movable sleeve 10 is provided with a second inner hexagonal flat end locking screw 9.
In this embodiment, as shown in fig. 1, the second hexagon socket head cap locking screw 9 and the third hexagon socket head cap locking screw 11 are used for facilitating installation and disassembly, and facilitating assembly and production.
Example 2
As shown in fig. 1-2, an astronomical telescope focusing device comprises a focusing housing 1, a movable sleeve 10 and a planet carrier 22, wherein the movable sleeve 10 is sleeved on the outer side of the focusing housing 1, the planet carrier 22 is arranged at the bottom end of the movable sleeve 10, a gear shaft 14 penetrates through the planet carrier 22, a first deep groove ball bearing 16 and a second deep groove ball bearing 23 are sleeved on two end portions of the gear shaft 14, an elastic stop sleeve 15 is arranged at one end of the first deep groove ball bearing 16, a steel ball 21 is arranged at one end in the planet carrier 22 through a mounting groove, a wave spring 20 is arranged at one end of the steel ball 21, a plane ball bearing 19 is arranged at one end of the wave spring 20 through a round nut 18, the plane ball bearing 19 is sleeved on the gear shaft 14, a planet sleeve 27 is sleeved on the outer side of the planet carrier 22, a rack 17 is arranged at the bottom of the focusing housing 1, the miniature linear guide 3 is installed through hexagon socket head cap screw 2 in the periphery of focusing casing 1, the one end of focusing casing 1 is provided with No. two clamping rings 8, No. two clamping rings 8 inboards install No. one clamping ring 6 through an interior hexagonal butt end locking screw 7, the peripheral cover of a clamping ring 6 is equipped with clamping ring 4, and is provided with elastic ring 5 between clamping ring 4 and the clamping ring 6. The inner hexagonal flat end locking screw can adopt other fixing bolts. The elastic ring can be made of rubber materials or other materials.
Wherein, the bottom end of the planet carrier 22 is provided with a stop bolt, and the top end of the stop bolt is in contact with the elastic stop sleeve 15.
In this embodiment, as shown in fig. 2, the stop screw 12 is rotated upward to perform a braking function, and after coarse adjustment, the fine adjustment hand wheel 25 is rotated to perform fine adjustment.
The two end parts of the gear shaft 14 are respectively sleeved with a first focusing hand wheel 13 and a second focusing hand wheel 26, a fine adjustment hand wheel 25 is arranged at one end part of the second focusing hand wheel 26, a fine adjustment rotating shaft 24 is arranged in the fine adjustment hand wheel 25, and one end part of the fine adjustment rotating shaft 24 is connected with the gear shaft 14.
The rack 17 is meshed with the gear shaft 14, and a sliding block is arranged on the outer side of the movable sleeve 10 and positioned in the micro linear guide rail 3.
In the present embodiment, as shown in fig. 1, the rack 17 is engaged with the gear shaft 14, so that the movable sleeve 10 slides on the focus housing 1, and the movable sleeve 10 slides on the focus housing 1 or can slide by using a slide rail and slider structure.
The planet carrier 22 is mounted on the focusing housing 1 through a third inner hexagonal flat end locking screw 11, and the movable sleeve 10 is provided with a second inner hexagonal flat end locking screw 9.
In the embodiment, as shown in fig. 1, the second hexagon socket head cap locking screw 9 and the third hexagon socket head cap locking screw 11 are used for facilitating installation and disassembly, facilitating assembly and production, and the hexagon socket head cap locking screws and the like can be fixed by other polygonal head cap locking screws.
It should be noted that the invention is an astronomical telescope focusing device, during operation, the focusing operation of the telescope is facilitated by rotating a first focusing hand wheel 13 and a second focusing hand wheel 26, the operation of the double focusing hand wheels is convenient, the efficiency is high, the use is convenient, the rack 17 is meshed with the gear shaft 14, the moving sleeve 10 slides on the focusing shell 1, the stop screw 12 is rotated upwards to play the braking function, and the fine adjustment hand wheel 25 is rotated to perform fine adjustment after coarse adjustment; the sliding block is arranged on the outer side of the movable sleeve 10 and is positioned in the miniature linear guide rail 3, so that the integral device is more stable in the focusing and sliding process, the elastic ring 5 is arranged between the locking ring 4 and the first connecting ring 6 to achieve the waterproof and dustproof effects, the connection is compact, and the effect is obvious; establish in the outside of gear shaft 14 through a deep groove ball bearing 16 and No. two deep groove ball bearing 23 covers, reduce frictional resistance, reduce mechanical resistance, noise reduction, this novel astronomical telescope focusing ware function is various, easy operation, and the production of being convenient for has satisfied the multiple demand in the use, is fit for extensively using widely.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an astronomical telescope focusing ware, includes focusing casing (1), removes sleeve (10) and planet carrier (22), its characterized in that: the outer side cover of focusing casing (1) is equipped with traveling sleeve (10), the bottom of traveling sleeve (10) is provided with planet carrier (22), it has gear shaft (14) to run through in planet carrier (22), the both ends cover of gear shaft (14) is equipped with deep groove ball bearing (16) and No. two deep groove ball bearing (23), and the one end of deep groove ball bearing (16) is provided with elasticity stop sleeve (15), steel ball (21) is installed through the mounting groove to one end in planet carrier (22), the one end of steel ball (21) is provided with wave spring (20), plane ball bearing (19) are installed through round nut (18) to the one end of wave spring (20), and plane ball bearing (19) cover is established on gear shaft (14), the outer side cover of planet carrier (22) is equipped with planet cover (27), rack (17) are installed through No. four hexagon socket head lock screw (28) in the bottom of focusing casing (1), miniature linear guide (3) are installed through hexagon socket head cap screw (2) in the periphery of focusing casing (1), the one end of focusing casing (1) is provided with No. two clamping rings (8), No. two clamping rings (8) inboards are installed No. one clamping ring (6) through hexagon socket head cap end locking screw (7), the peripheral cover of a clamping ring (6) is equipped with clamping ring (4), and is provided with between clamping ring (4) and clamping ring (6) elastic ring (5).
2. The astronomical telescope focus adjuster according to claim 1, wherein: the bottom end of the planet carrier (22) is provided with a stop screw (12), and the top end of the stop screw (12) is in contact with the elastic stop sleeve (15).
3. The astronomical telescope focus adjuster according to claim 1, wherein: the two ends of the gear shaft (14) are respectively sleeved with a first focusing hand wheel (13) and a second focusing hand wheel (26), a fine-tuning hand wheel (25) is arranged at one end of the second focusing hand wheel (26), a fine-tuning rotating shaft (24) is arranged in the fine-tuning hand wheel (25), and one end of the fine-tuning rotating shaft (24) is connected with the gear shaft (14).
4. The astronomical telescope focus adjuster according to claim 1, wherein: the rack (17) is meshed with the gear shaft (14), a sliding block is arranged on the outer side of the movable sleeve (10), and the sliding block is located in the micro linear guide rail (3).
5. The astronomical telescope focus adjuster according to claim 1, wherein: the planet carrier (22) is installed on the focusing shell (1) through a third inner hexagonal flat end locking screw (11), and a second inner hexagonal flat end locking screw (9) is arranged on the movable sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250699.6A CN111308687A (en) | 2019-12-09 | 2019-12-09 | Astronomical telescope focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250699.6A CN111308687A (en) | 2019-12-09 | 2019-12-09 | Astronomical telescope focusing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111308687A true CN111308687A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911250699.6A Pending CN111308687A (en) | 2019-12-09 | 2019-12-09 | Astronomical telescope focusing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111308687A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063069Y (en) * | 2007-06-19 | 2008-05-21 | 杨德良 | Adjustment and calibration structure for optical instrument |
-
2019
- 2019-12-09 CN CN201911250699.6A patent/CN111308687A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063069Y (en) * | 2007-06-19 | 2008-05-21 | 杨德良 | Adjustment and calibration structure for optical instrument |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 223001 room 2217, building 1, No.9 Haikou Road, Huai'an Economic and Technological Development Zone, Huai'an City, Jiangsu Province Applicant after: Huaian Aili Photoelectric Instrument Co.,Ltd. Address before: 223001 No.9 Haikou Road, Huai'an Economic and Technological Development Zone, Huai'an City, Jiangsu Province Applicant before: HUAIAN DONGSHENG PHOTOELECTRIC INSTRUMENT Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |