CN211043802U - Astronomical telescope focusing structure - Google Patents
Astronomical telescope focusing structure Download PDFInfo
- Publication number
- CN211043802U CN211043802U CN201921960735.3U CN201921960735U CN211043802U CN 211043802 U CN211043802 U CN 211043802U CN 201921960735 U CN201921960735 U CN 201921960735U CN 211043802 U CN211043802 U CN 211043802U
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- focusing
- barrel
- astronomical telescope
- shaft
- indication
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Abstract
The utility model discloses an astronomical telescope focusing structure, which comprises a focusing barrel, wherein the side wall of the focusing barrel extends outwards to form a scale strip, and the scale strip is provided with an indication scale mark; a focusing seat sleeved on the focusing cylinder; the gear assembly is used for adjusting the relative positions of the focusing seat and the focusing barrel; the telescopic eyepiece connecting sleeve is movably connected to the end part of the focusing barrel. The utility model provides an astronomical telescope focusing structure, the focusing of being convenient for has reduced the use degree of difficulty of product.
Description
Technical Field
The utility model belongs to the technical field of the astronomical telescope and specifically relates to an astronomical telescope focusing structure is related to.
Background
Because the focusing range of the astronomical telescope in the current market is large, a beginner often cannot find an observation target due to the fact that the target is not well focused or the focusing speed is too high in the adjusting process; and after the current astronomical telescope is assembled, the focal length of each set of objective lens cannot be guaranteed to be 100% uniform, so that the initial focal length of a client needs to be adjusted when the astronomical telescope is used, the use difficulty of a product is improved, and inconvenience is brought to users, particularly beginners.
For example, "astronomical telescope focusing seat elasticity adjustment mechanism" that discloses on chinese patent literature, its bulletin number CN 201773211U, including the focusing seat, the front end of focusing seat is connected with the focusing barrel, has the straight-tooth on the focusing barrel, is provided with the tooth focusing rod with this straight-tooth meshing in the focusing seat, it has the through-hole to open on the focusing seat, and the steel ball has been placed to the through-hole lower part, and the screw is installed to through-hole upper portion screw thread, is provided with the spring between screw and the steel ball, and this spring forces steel ball and focusing barrel surface contact, and this utility model's advantage can effectively overcome the image jumping problem of focusing in-process, but this utility model does not solve the problem of the focusing of being convenient for, still has certain difficulty when the beginner uses.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an it is inconvenient to overcome current astronomical telescope focusing, often can be owing to do not cause the problem of can not finding the observation target to good target or focusing speed reason such as too fast, provides an astronomical telescope focusing structure, and the focusing of being convenient for has reduced the use degree of difficulty of product.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a focusing structure of an astronomical telescope comprises a focusing barrel, wherein scale strips extend outwards from the side wall of the focusing barrel, and indication scale marks are arranged on the scale strips; a focusing seat sleeved on the focusing cylinder; the gear assembly is used for adjusting the relative positions of the focusing seat and the focusing barrel; the telescopic eyepiece connecting sleeve is movably connected to the end part of the focusing barrel.
The arrangement of the scale strips and the telescopic eyepiece sleeve on the focusing barrel is convenient for a user to find an observation target after focusing by using an astronomical telescope, and the use difficulty of a product is reduced. When assembling the product, adjust the initial position of the instruction scale mark that the focusing barrel set with the focusing seat, then adjust scalable eyepiece adapter sleeve until observing the regulation apart from the target, then use fixed scalable eyepiece adapter sleeve of screw or glue and focusing barrel, adjust other positions with the focusing seat again, the scale of instructing the scale mark corresponds different observation distances, the observation target is all observed at every instruction scale that instructs the scale mark to the focusing seat, the user is when using, can adjust astronomical telescope to the scale position that required observation distance corresponds earlier, then adjust scalable eyepiece adapter sleeve and gear assembly, observe again, can guarantee like this and observe the figure, reduce the use degree of difficulty of product.
Preferably, an adjustment distance H for eliminating an error in the focal length of the objective lens is provided between the focus adjustment cylinder and the telescopic eyepiece sleeve.
The astronomical telescope has focus error because of every telescope camera lens when the equipment, can guarantee that every telescope is the same under same scale observation same target scale through adjusting the spacing H between focusing barrel and the scalable eyepiece adapter sleeve, reduces the product and uses the degree of difficulty.
Preferably, one end of the focusing barrel is provided with an external thread, and an internal thread matched with the external thread is arranged in the telescopic eyepiece sleeve.
The setting of external screw thread on the focusing tube and the internal thread all set up the swing joint of being convenient for realize between focusing tube and the scalable eyepiece adapter sleeve on the scalable eyepiece adapter sleeve, because of there is the focus error in every telescope camera lens, can adjust and fix the spacing of regulation through this screw thread, guarantee that every telescope is the same when same target is observed under same scale to every telescope when dispatching from the factory.
Preferably, a transparent indication window is arranged on the focusing seat, and an indication mark is arranged in the indication window.
The user aligns the position of instruction scale mark through the instruction sign, confirms the relative position between focusing seat and the focusing barrel, and the instruction window is used for observing the position between instruction sign and the instruction scale mark.
Preferably, an indication illuminating lamp is arranged in the indication window.
The indication illuminating lamp is convenient for adjusting the scales for observation at night or under the condition of darker light.
Preferably, the focusing mechanism further comprises a shaft bracket arranged on the focusing seat, the gear assembly comprises a rack arranged on the focusing barrel and a focusing shaft arranged on the shaft bracket, and a gear meshed with the rack is arranged on the focusing shaft.
The focusing shaft is arranged on the shaft bracket, and the shaft bracket is fixed with the focusing seat, so that the focusing shaft drives the shaft bracket to move, the focusing seat is driven to move, and the focusing seat and the focusing barrel are relatively displaced; the gear assembly, namely the gear on the focusing shaft and the rack on the focusing barrel are meshed, so that the adjusting seat and the focusing barrel can generate relative displacement and can be fixed after being stopped.
Preferably, hand wheels for controlling rotation of the focus shaft are provided at both ends of the focus shaft, respectively.
The hand wheel is used for driving the focusing seat to move by controlling the rotation of the focusing shaft, so that the fragrance position between the focusing seat and the focusing seat is changed.
Therefore, the utility model discloses following beneficial effect has:
(1) the focusing is convenient, and the use difficulty of the product is reduced;
(2) the telescopic eyepiece sleeve is arranged, so that the adjustment distance can be adjusted conveniently, and a user can observe an observation target;
(3) the indication scale marks are arranged, and different indication scale marks correspond to different observation distances, so that the use difficulty of the product is reduced;
(4) an indicating illuminating lamp is arranged in the indicating window mirror, so that the positions of the indicating marks and the indicating scale marks can be conveniently adjusted under the condition of dark light;
(5) the rack and the adjusting shaft are arranged, so that the adjusting seat and the focusing barrel can generate relative displacement and can be fixed after being stopped.
Drawings
FIG. 1 is a schematic structural diagram of a focusing structure of an astronomical telescope;
FIG. 2 is a top view of an astronomical telescope focusing arrangement;
FIG. 3 is a front view of an astronomical telescope focusing arrangement;
FIG. 4 is a cross-sectional view of an astronomical telescope focusing arrangement;
in the figure: 1. telescopic eyepiece sleeve 101, internal thread 2, focusing seat 201, indication window 202, indication mark 3, focusing barrel 301, scale bar 302, indication scale mark 303, rack 304, external thread 4, gear assembly 5, shaft bracket 6, focusing shaft 601, gear 7 and hand wheel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1:
as shown in fig. 1 and 3, in embodiment 1, the focusing structure of an astronomical telescope comprises a focusing barrel 3, wherein a scale bar 301 extends outwards from a side wall of the focusing barrel 3, and an indication scale mark 302 is arranged on the scale bar 301; a focusing base 2 sleeved on the focusing barrel 3; the gear assembly 4 is used for adjusting the relative positions of the focusing seat 2 and the focusing barrel 3; the telescopic eyepiece adapter sleeve 1 is movably connected to the end part of the focusing barrel 3.
The main structure of the astronomical telescope is a focusing base 2, a focusing barrel 3 and a telescopic eyepiece sleeve 1, wherein the focusing base 2 is sleeved on the focusing barrel 3, the telescopic eyepiece sleeve 1 is movably connected to one end of the focusing base 2, and an adjusting distance H is arranged between the inside of the telescopic eyepiece sleeve 1 and the focusing base 2; the focusing barrel 3 is provided with the scale strips 301, the scale strips 301 are arranged to be of a T-shaped structure, the scale strips 301 are provided with the indicating scale marks 302, and the scale strips 301 on the focusing barrel 3 and the telescopic eyepiece sleeve 1 are arranged so that a user can find an observation target through an astronomical telescope conveniently, thereby reducing the use difficulty of the product; the focusing seat 2 is provided with a transparent indication window 201, an indication mark 202 is arranged in the indication window 201, the indication mark 202 indicates different observation distances through aligned indication scale marks 302, a gear assembly 4 is further arranged between the focusing seat 2 and the adjusting barrel, and the gear assembly 4 is used for adjusting the relative position of the focusing seat 2 and the focusing barrel 3. When assembling the product, aim at the initial position of the instruction scale mark 302 of focusing barrel 3 with instruction sign 202, then adjust scalable eyepiece adapter 1 until observing the regulation apart from the target, the scale of instructing scale mark 302 corresponds different observation distance, the user when using, can adjust astronomical telescope to the scale position that required observation distance corresponds earlier, then adjust scalable eyepiece adapter 1, observe again, can guarantee like this and observe the figure, reduce the use degree of difficulty of product.
Example 2:
the embodiment 2 is basically the same as the embodiment 1, except that: be provided with the instruction light in instructing window 201, when using astronomical telescope evening or under the darker condition of light, inconvenient adjust the relative position between focusing seat 2 and the focusing barrel 3 according to instructing scale mark 302, the astronomical telescope of being convenient for is adjusting the scale and is observing evening or under the darker condition of light.
Example 3:
the embodiment 3 is basically the same as the embodiment 1, except that: be provided with external screw thread 304 in the one end of focusing section of thick bamboo 3, be provided with in scalable eyepiece adapter 1 with external screw thread 304 complex internal thread 101, because of there is the focus error in every telescope camera lens, can adjust and fix through this screw thread, guarantee that every telescope is the same when same target is observed under same scale to dispatch from the factory.
Example 4:
as shown in fig. 2 and 4, the embodiment 4 is basically the same as the embodiment 1, except that: the focusing structure of the astronomical telescope further comprises a shaft bracket 5 arranged on the focusing barrel 3, a gear assembly 4 comprises a rack 303 arranged on the focusing barrel 3 and a focusing shaft 6 arranged on the shaft bracket 5, a gear 601 meshed with the rack 303 is arranged on the focusing shaft 6, and the focusing shaft 6 drives the shaft bracket 5 to move, so that a focusing base 2 is driven to move, and the focusing base 2 and the focusing barrel 3 are relatively displaced; the arrangement of the gear assembly 4, namely the arrangement of the gear 601 on the focusing shaft 6 meshed with the rack 303 on the focusing barrel 3, enables the adjusting seat and the focusing barrel 3 to be relatively displaced, and can be fixed after being stopped. Hand wheels 7 for controlling the focusing shaft 6 to rotate are respectively arranged at two ends of the focusing shaft 6. The hand wheel 7 is used for driving the focusing seat 2 to move by controlling the focusing shaft 6 to rotate, so that the fragrance position between the focusing seat 2 and the focusing is changed.
The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (7)
1. A focusing structure of an astronomical telescope is characterized by comprising,
the side wall of the focusing barrel (3) extends outwards to form a scale strip (301), and an indication scale mark (302) is arranged on the scale strip (301);
a focusing base (2) sleeved on the focusing barrel (3);
the gear assembly (4) is used for adjusting the relative positions of the focusing base (2) and the focusing barrel (3);
the telescopic eyepiece adapter sleeve (1) is movably connected to the end part of the focusing barrel (3).
2. An astronomical telescope focusing arrangement according to claim 1, wherein an adjustment distance H for eliminating an error in the focal length of the objective lens is provided between the focusing barrel (3) and the telescopic eyepiece sleeve (1).
3. An astronomical telescope focusing structure according to claim 1, wherein an external thread (304) is provided at one end of the focusing tube (3), and an internal thread (101) matching the external thread (304) is provided in the telescopic eyepiece sleeve (1).
4. An astronomical telescope focusing structure according to claim 1, wherein a transparent indication window (201) is provided on the focusing base (2), and an indication mark (202) is provided in the indication window (201).
5. An astronomical telescope focusing structure according to claim 4, wherein an indication illuminating lamp is arranged in the indication window (201).
6. An astronomical telescope focusing structure according to any one of claims 1 to 5, further comprising a shaft bracket (5) provided on the focusing base (2), wherein the gear assembly (4) comprises a rack (303) provided on the focusing barrel (3) and a focusing shaft (6) provided on the shaft bracket (5), and a gear (601) engaged with the rack (303) is provided on the focusing shaft (6).
7. The focusing structure of an astronomical telescope according to claim 6, wherein hand wheels (7) for controlling the rotation of the focusing shaft (6) are respectively arranged at two ends of the focusing shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960735.3U CN211043802U (en) | 2019-11-13 | 2019-11-13 | Astronomical telescope focusing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960735.3U CN211043802U (en) | 2019-11-13 | 2019-11-13 | Astronomical telescope focusing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043802U true CN211043802U (en) | 2020-07-17 |
Family
ID=71538973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921960735.3U Expired - Fee Related CN211043802U (en) | 2019-11-13 | 2019-11-13 | Astronomical telescope focusing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211043802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045547A1 (en) * | 2021-09-24 | 2023-03-30 | 苏州墨空视觉技术有限公司 | Focusing device and focusing method for focusing telescope |
-
2019
- 2019-11-13 CN CN201921960735.3U patent/CN211043802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045547A1 (en) * | 2021-09-24 | 2023-03-30 | 苏州墨空视觉技术有限公司 | Focusing device and focusing method for focusing telescope |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |