CN215297825U - Star finder and astronomical telescope - Google Patents
Star finder and astronomical telescope Download PDFInfo
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- CN215297825U CN215297825U CN202121372535.3U CN202121372535U CN215297825U CN 215297825 U CN215297825 U CN 215297825U CN 202121372535 U CN202121372535 U CN 202121372535U CN 215297825 U CN215297825 U CN 215297825U
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Abstract
The utility model provides a star finder and astronomical telescope, the star finder comprises a mirror body, a projection plane mirror, a single mirror, an adjusting component, a reflector, a light source and a reticle, the mirror body is provided with a containing cavity and a through hole which is arranged at the top of the mirror body and communicated with the containing cavity, the projection plane mirror is arranged at the top of the mirror body and inclines in the axial direction of the through hole, the single mirror is arranged in the containing cavity and covers the through hole, the through hole is arranged between the projection plane mirror and the single mirror, the adjusting component is arranged on the mirror body, the reflector is arranged in the containing cavity and connected with the adjusting component, the reflector inclines in the axial direction, the adjusting component can adjust the position of the reflector in the containing cavity, the light source is arranged in the containing cavity, the light emitting end of the light source is arranged towards the reflector, the reticle is arranged between the light emitting end and the reflector, the reticle is provided with a reticle pattern, the reflector can reflect the reticle pattern to the projection plane mirror via the through hole, the astronomical telescope is provided with the star finder, the star finder can realize quick calibration, and the view field center has a large adjusting range.
Description
Technical Field
The utility model belongs to the technical field of the telescope technique and specifically relates to a star finder and be provided with telescope of this star finder.
Background
The star finder is used as a sighting telescope of the astronomical telescope, calibration is needed before use, a main mirror of the astronomical telescope is used for aligning a distant obvious target in general, then the same target is used by the star finder and the position of the star finder is adjusted, so that the view field center of the star finder and the view field center of the main mirror are overlapped, and the star finder and the main mirror are coaxial. However, the existing finder is generally a cross finder, and the traditional cross finder needs to adopt a dedicated adjusting bracket to be connected with a main mirror, when the cross finder needs to be calibrated, the adjusting knob on the adjusting bracket is adjusted to adjust the position of the cross finder, but the traditional cross finder has the following disadvantages when being calibrated:
firstly, a user is difficult to observe a target through the reticle star finder synchronously in the calibration process of the reticle star finder, so that the user needs to estimate the position of the reticle star finder after adjustment firstly during calibration, then adjusts the position of the reticle star finder through an adjusting knob on an adjusting support, and then observes whether the view field centers of the star finder are overlapped with the view field centers of a main mirror or not, if the view field centers of the reticle star finder and the main mirror are not overlapped, the adjusting step is continuously repeated to adjust the position of the reticle star finder until the view field centers of the reticle star finder and the main mirror are overlapped, and therefore the conventional reticle star finder is very complicated in calibration process and not beneficial to rapid calibration of the reticle star finder;
secondly, the position of the traditional reticle star finder is adjusted and calibrated through a special adjusting bracket, so that the adjustable range of the center of the field of view of the traditional reticle star finder is small.
Disclosure of Invention
In order to solve the above problem, the main object of the present invention is to provide a finder mirror convenient for quick calibration and having a large adjustment range in the center of the viewing field.
Another object of the present invention is to provide an astronomical telescope with the above finder mirror.
In order to realize the main purpose of the utility model, the utility model provides a star finder, which comprises a mirror body, a projection plane mirror, a single-chip mirror, an adjusting component, a reflecting mirror, a light source and a dividing plate, wherein the mirror body is provided with a containing cavity and a through hole, the through hole is positioned at the top of the mirror body and communicated with the containing cavity, the projection plane mirror is arranged at the top of the mirror body, the projection plane mirror is inclined to the axial direction of the through hole, the single-chip mirror is arranged in the containing cavity and covers the through hole, in the axial direction, the through hole is positioned between the projection plane mirror and the single-chip mirror, the adjusting component is arranged on the mirror body, the reflecting mirror is positioned in the containing cavity and connected with the adjusting component, the reflecting mirror is inclined to the axial direction, the adjusting component can adjust the position of the reflecting mirror in the containing cavity, the light source is arranged in the containing cavity, the light emitting end of the light source is arranged towards the reflecting mirror, the dividing plate is positioned between the light emitting end and the reflecting mirror, the dividing pattern is arranged on the dividing plate, the mirror may reflect the division pattern onto the projection plane mirror via the through hole.
Therefore, when a user observes the projection plane mirror, the division pattern can be suspended on the projection plane mirror, and the division pattern can be displayed in front of stars or other objects in the background; the reflector, the reticle, the light source and the like are arranged in the accommodating cavity of the mirror body, so that the imaging quality of the reticle pattern reflected to the projection plane mirror can be ensured, wherein the reticle pattern can be a cross line, a red dot or other patterns; the adjusting assembly is used for adjusting the position of the reflecting mirror in the accommodating cavity and further adjusting the position of the division pattern on the projection plane mirror so that the center of the field of view of the finder mirror and the center of the field of view of the primary mirror of the astronomical telescope can be overlapped; through the structural design of the star finder, when a user calibrates the star finder, the user can observe the position of the division pattern on the projection plane mirror while adjusting the position of the reflecting mirror through the adjusting assembly, so that the center of the view field of the star finder is quickly adjusted to be overlapped with the center of the view field of the main mirror.
The further scheme is that the adjusting component comprises a support, an elastic piece, a first adjusting knob, a second adjusting knob and a third adjusting knob, the support is located in the containing cavity, the reflector is installed on the support, the elastic piece is connected between the support and the reflector body, the elastic piece forces the support to move towards the reticle, the first adjusting knob penetrates through the reflector body and is connected with the support, the first adjusting knob can adjust the included angle between the reflector and the axial direction, the second adjusting knob penetrates through the reflector body and is connected with the support, the second adjusting knob can adjust the reflector to rotate around the rotating axis in the first direction, the rotating axis is parallel to the axial direction, the third adjusting knob penetrates through the reflector body and is connected with the support, the third adjusting knob can adjust the reflector to rotate around the rotating axis in the second direction, and the second direction is opposite to the first direction.
It is thus clear that, the support is used for being connected with the speculum, and first adjust knob, second adjust knob and third adjust knob then cooperate the elastic component to adjust the position of support, and then adjust the position of the graduation pattern of formation of image on the projection level crossing to reach and carry out the effect calibrated to the finder mirror.
In a preferred embodiment, the support has a first connecting plate, the elastic member is connected between the first connecting plate and the mirror body, the first adjusting knob includes a first bolt and a first knob, a first screw of the first bolt passes through the first connecting plate and the mirror body, the first knob is located outside the mirror body and is in threaded connection with the first screw, the first knob and a first head of the first bolt are located on opposite sides of the first connecting plate, respectively, the second adjusting knob includes a second bolt and a second knob, a second screw of the second bolt passes through the first connecting plate and the mirror body, the second knob is located outside the mirror body and is in threaded connection with the second screw, the second knob and a second head of the second bolt are located on opposite sides of the first connecting plate, respectively, the third adjusting knob includes a third bolt and a third knob, a third screw of the third bolt passes through the first connecting plate and the mirror body, the third knob is positioned outside the lens body and is in threaded connection with the third screw rod, and the second knob and the third head of the third bolt are respectively positioned on two opposite sides of the first connecting plate.
Therefore, the structural design can reduce the abrasion degree of the support in the calibration process of the finder mirror, so that the service life of the finder mirror is prolonged, and meanwhile, the installation difficulty and the production difficulty of the adjusting assembly can be reduced.
The first connecting plate is provided with a first counter sink, a second counter sink and a third counter sink, the first head is positioned in the first counter sink, the second head is positioned in the second counter sink, and the third head is positioned in the third counter sink.
It is thus clear that above-mentioned structural design can be better reduce the volume of support, and then reduce the volume of looking for the star mirror, and above-mentioned structural design can also avoid at least one in first head, second head and the third head to cause the interference to the installation of speculum simultaneously.
According to a further scheme, the first counter sink, the second counter sink and the third counter sink are all hexagonal counter sinks, and the first head part, the second head part and the third head part are all arranged in a hexagonal prism shape; or the first counter sink is fixedly bonded with the first head, the second counter sink is fixedly bonded with the second head, and the third counter sink is fixedly bonded with the third head.
Therefore, the design can improve the reliability of the adjusting assembly in the adjusting process, and further enables the adjusting assembly to stably and reliably adjust the position of the reflector.
The other preferable scheme is that the support is provided with a second connecting plate, the elastic part is connected between the second connecting plate and the endoscope body, the first adjusting knob is provided with a first knob part and a first screw rod part, the first knob part is positioned outside the endoscope body, the first screw rod part penetrates through the endoscope body and then is in threaded connection with the second connecting plate, the second adjusting knob is provided with a second knob part and a second screw rod part, the second knob part is positioned outside the endoscope body, the second screw rod part penetrates through the endoscope body and then is in threaded connection with the second connecting plate, the third adjusting knob is provided with a third knob part and a third screw rod part, the third knob part is positioned outside the endoscope body, and the second screw rod part penetrates through the endoscope body and then is in threaded connection with the second connecting plate.
It can be seen from above that, above-mentioned structural design can realize the rapid Assembly between adjusting part and the mirror body to guarantee the reliability in the adjusting part adjustment process, make adjusting part can carry out stable, reliable regulation to the position of speculum.
The first screw rod part is in threaded connection with the first column part, the second screw rod part is in threaded connection with the second column part, and the third screw rod part is in threaded connection with the third column part.
Therefore, the structural design can avoid interference of at least one of the first screw rod part, the second screw rod part and the third screw rod part on the installation of the reflector.
According to a further scheme, the star finder further comprises a pressing ring, the pressing ring is located in the accommodating cavity and fixedly connected with the mirror body, and the single mirror is abutted between the mirror body and the pressing ring.
From top to bottom, the structure of the mirror body can be enough simplified in the setting of clamping ring, can make the installation of monolithic mirror simple more again, convenient, can also guarantee that the monolithic mirror covers the through-hole reliably.
In a further aspect, the light source is a surface light source.
Therefore, the area light source is adopted as the light source, so that the brightness of the division pattern imaged on the projection plane mirror can be kept uniform.
In order to realize another objective of the present invention, the present invention provides an astronomical telescope, wherein the astronomical telescope comprises the above finder mirror.
From the above, be provided with the astronomical telescope of above-mentioned finder mirror can realize the quick calibration of finder mirror and reduce the calibration degree of difficulty.
Drawings
Fig. 1 is a first cross-sectional view of a first embodiment of the finder mirror of the present invention.
Fig. 2 is a second cross-sectional view of the first embodiment of the finder mirror of the present invention.
Fig. 3 is a sectional view showing a partial structure of a second embodiment of the finder mirror of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
First embodiment of finder mirror
Referring to fig. 1 and 2, the finder mirror 100 includes a mirror body 1, a projection plane mirror 2, a single-chip mirror 3, a pressing ring 31, an adjustment assembly 4, a reflecting mirror 5, a light source 6, and a reticle 7. The mirror body 1 has a containing cavity 11 and a through hole 12, the opening of the containing cavity 11 is preferably formed at the bottom of the mirror body 1, and the through hole 12 is located at the top of the mirror body 1 and penetrates through the top of the mirror body 1, so that the through hole 12 is communicated with the containing cavity 11. In addition, two mounting ears 13 are formed on the top of the mirror body 1 and extend out of the mirror body 1, the two mounting ears 13 are distributed along the width direction of the finder mirror 100, and the through hole 12 is located between the two mounting ears 13. Preferably, the mounting ears 13 and the through holes 12 are both located at the first end of the mirror body 1.
The inner side of each mounting ear 13 is provided with a catch 131, i.e. the catch 131 is arranged on the side of the mounting ear 13 facing the other mounting ear 13. The extending direction of the catching groove 131 intersects the axial direction of the through hole 12, and an angle a between the extending direction of the catching groove 131 and the axial direction of the through hole 12 is preferably 25 ° to 60 °. The projection plane mirror 2 is located between the two mounting lugs 13, and two opposite sides of the projection plane mirror 2 are respectively mounted in the clamping grooves 131 of the two mounting lugs 13, so that the projection plane mirror 2 is fixedly connected with the two mounting lugs 13, and the projection plane mirror 2 is inclined to the axial direction of the through hole 12. Preferably, the projection plane mirror 2 is fixedly connected with the mounting ear 13 through an adhesive.
The single-chip mirror 3 is arranged in the accommodating cavity 11 of the mirror body 1, and the single-chip mirror 3 is arranged close to the first end of the mirror body 1. Specifically, the pressing ring 31 is located in the accommodating cavity 11 and fixedly connected with the mirror body 1, and the single-piece mirror 3 is abutted between the mirror body 1 and the pressing ring 31, so that the pressing ring 31 can press the single-piece mirror 3 at the bottom of the accommodating cavity 11 and make the single-piece mirror 3 cover the through hole 12.
An adjusting assembly 4 is mounted on the mirror body 1, and the adjusting assembly 4 is used for adjusting the position of the reflecting mirror 5 relative to the mirror body 1. Specifically, in the present embodiment, the adjustment assembly 4 includes a bracket 41, an elastic member 42, a first adjustment knob 43, a second adjustment knob 44, and a third adjustment knob.
The bracket 41 is located in the accommodating cavity 11, the bracket 41 has a first connecting plate 411 and a first supporting plate 412, wherein the first connecting plate 411 is located between the first supporting plate 412 and the first end of the mirror body 1, the first supporting plate 412 is inclined to the axial direction of the through hole 12, the reflector 5 is installed on the first supporting plate 412, and then the reflector 5 is inclined to the axial direction of the through hole 12. The first connecting plate 411 is provided with a first countersunk hole 4111, a second countersunk hole and a third countersunk hole, and the countersunk head portion of the first countersunk hole 4111, the countersunk head portion of the second countersunk hole and the countersunk head portion of the third countersunk hole are all located on the same side of the first connecting plate 411 as the first supporting plate 412.
The elastic member 42 is connected between the mirror body 1 and the first connecting plate 411, and the elastic member 42 is used for forcing the bracket 41 to move towards the second end of the mirror body 1, so that when the finder mirror 100 is in a non-calibration state, the bracket 41 can be fixed differently under the cooperation of the elastic member 42, the first adjusting knob 43, the second adjusting knob 44 and the third adjusting knob 45, and the reliability and stability of the finder mirror 100 in use are further ensured. Preferably, the accommodating cavity 11 is provided with a first groove on a cavity wall near the first end of the mirror body 1, a second groove 4112 is provided on a first side of the first connecting plate 411 of the bracket 41 facing away from the first supporting plate 412, and two ends of the elastic member 42 are respectively clamped in the first groove and the second groove 4112, so as to prevent the elastic member 42 from moving relative to the mirror body 1 and/or the first connecting plate 411 and prevent the elastic member 42 from falling off between the mirror body 1 and the first connecting plate 411. Further, the elastic member 42 is preferably a spring plate, and the spring plate is disposed in a substantially "Λ" shape, and a sharp corner portion of the spring plate in the "Λ" shape is located in the second groove 4112 of the first connection plate 411, so that the holder 41 can swing up and down or rotate left and right with respect to the elastic member 42 through the sharp corner portion.
It should be noted that the above-mentioned up-and-down swinging means that the bracket 41 can swing up and down relative to the mirror body 1 in the axial direction of the through hole 12 around the sharp corner part of the reverse V-shaped elastic sheet, so as to change the included angle between the reflector 5 and the through hole 12 in the axial direction; the above-mentioned right-left rotation means that the holder 41 can rotate in a first direction about the rotation axis parallel to the axial direction of the through-hole 12 or in a second direction about the rotation axis about the pointed portions of the spring pieces in the shape of "Λ", the first direction being opposite to the second direction.
The first adjusting knob 43 penetrates through the lens body 1 and is connected with the bracket 41, the first adjusting knob 43 is used for adjusting an included angle between the reflector 5 and the axis of the through hole 12, namely, the first adjusting knob 43 is used for adjusting the bracket 41 to swing up and down relative to the lens body 1 in the axial direction of the through hole 12 around the sharp corner part of the inverted V-shaped elastic sheet. The first adjusting knob 43 includes a first bolt 431 and a first knob 432, a first screw of the first bolt 431 passes through the first countersunk hole 4111 of the lens body 1 and the first connecting plate 411, and a first head of the first bolt 431 is located in the first countersunk hole 4111. The first knob 432 is located outside the lens body 1, and the first knob 432 is in threaded connection with the first screw of the first bolt 431, so that the first knob 432 and the first head of the first bolt 431 are located on two opposite sides of the first connecting plate 411 respectively. Preferably, the first countersunk hole 4111 is a hexagonal countersunk hole, and the first head of the first bolt 431 is disposed in a hexagonal prism; of course, as another alternative or further scheme, the first countersunk hole 4111 is adhesively fixed with the first head of the first bolt 431.
The second adjusting knob 44 penetrates through the mirror body 1 and is connected with the bracket 41, the second adjusting knob 44 is used for adjusting the reflector 5 to rotate around the rotation axis along the first direction, namely, the second adjusting knob 44 is used for adjusting the bracket 41 to rotate around the rotation axis along the first direction around the sharp corner part of the inverted V-shaped elastic sheet. The second adjusting knob 44 includes a second bolt 441 and a second knob 442, a second screw of the second bolt 441 passes through second countersunk holes of the lens body 1 and the first connecting plate 411, respectively, and a second head of the second bolt 441 is located in the second countersunk hole. The second knob 442 is located outside the lens body 1, and the second knob 442 is in threaded connection with the second screw of the second bolt 441, so that the second heads of the second knob 442 and the second bolt 441 are respectively located on two opposite sides of the first connecting plate 411. Preferably, the second countersunk hole is a hexagonal countersunk hole, and the second head of the second bolt 441 is disposed in a hexagonal prism; of course, as another alternative or further solution, the second counter-bore is adhesively secured to the second head of the second bolt 441.
The third adjusting knob 45 penetrates through the mirror body 1 and is connected with the bracket 41, the third adjusting knob 45 is used for adjusting the reflector 5 to rotate around the rotation axis along the second direction, namely, the third adjusting knob 45 is used for adjusting the pointed angle part of the inverted V-shaped elastic piece to rotate around the rotation axis along the second direction. The third adjusting knob 45 includes a third bolt 451 and a third knob 452, a third screw of the third bolt 451 passes through a third countersunk hole of the mirror body 1 and the first connecting plate 411, and a third head of the third bolt 451 is located in the third countersunk hole. The third knob 452 is located outside the lens body 1, and the third knob 452 is in threaded connection with the third screw of the third bolt 451, so that the third knob 452 and the third head of the third bolt 451 are respectively located on two opposite sides of the first connection plate 411. Preferably, the third countersunk hole is a hexagonal countersunk hole, and the third head of the third bolt 451 is disposed in a hexagonal prism; of course, as another alternative or further, the third countersunk hole is adhesively fixed with the third head of the third bolt 451.
The light source 6 is fixedly arranged in the accommodating cavity 11, and the light emitting end of the light source 6 is arranged towards the reflecting surface of the reflector 5. The reticle 7 is fixedly installed in the accommodating cavity 11, the reticle 7 is located between the reflecting surface of the reflector 5 and the light emitting end of the light source 6, a dividing pattern is arranged on the reticle 7, the reflector 5 is used for emitting the dividing pattern onto the projection plane mirror 2 through the single-chip mirror 3 and the through hole 12, so that when a user observes the projection plane mirror 2, the dividing pattern can be suspended on the projection plane mirror 2, and the dividing pattern can be displayed in front of stars or other objects in the background. The reticle pattern on the reticle 7 may be a cross line, a red dot or other patterns. Preferably, the light source 6 is a surface light source to ensure that the brightness of the division pattern imaged on the projection plane mirror 2 is kept uniform.
When the finder mirror 100 needs to be calibrated, the position of the reflecting mirror 5 in the accommodating cavity 11 of the mirror body 1 can be adjusted through the first adjusting knob 43, the second adjusting knob 44 and the third adjusting knob 45, so as to adjust the position of the division pattern imaged on the projection plane mirror 2. When the first adjusting knob 43 is adjusted, the bracket 41 swings up and down relative to the mirror body 1 around the sharp corner part of the inverted V-shaped elastic sheet in the axial direction of the through hole 12, and the movement effect of the division pattern displayed on the projection plane mirror 2 is to move in the length direction of the mirror body 1, namely, the division pattern displayed on the projection plane mirror 2 moves up and down; when the second adjusting knob 44 or the third adjusting knob 45 is adjusted, the bracket 41 rotates around the sharp corner portion of the reverse v-shaped elastic piece in the first direction or the second direction around the rotation axis, and the division pattern on the projection plane mirror 2 moves in the width direction of the mirror body 1, that is, the division pattern on the projection plane mirror 2 moves left and right.
In summary, through the structural design of the finder mirror, when a user calibrates the finder mirror, the user can adjust the position of the reflector mirror through the adjusting assembly and observe the position of the division pattern on the projection plane mirror at the same time, so that the view field center of the finder mirror is quickly adjusted to be overlapped with the view field center of the main mirror; in addition, the adjusting range of the reflector can be expanded by increasing the lengths of the first screw rod, the second screw rod and the third screw rod.
Second embodiment of finder mirror
Referring to fig. 3, the difference between the present embodiment and the first embodiment of the finder mirror lies in the structure of the bracket, the structure of the first adjustment knob 83, the structure of the second adjustment knob 84, and the structure of the third adjustment knob 85, specifically, in the present embodiment, the bracket 81 has a second connecting plate 811 and a second support plate 812, where the second connecting plate 811 is located between the second support plate 812 and the first end of the mirror body 86, the second support plate 812 is inclined to the axial direction of the through hole, the mirror 87 is mounted on the second support plate 812, so that the mirror 87 is inclined to the axial direction of the through hole, and the elastic member 82 abuts between the mirror body 86 and the second connecting plate 811.
The first adjusting knob 83 has a first knob portion 831 and a first screw portion 832, the first knob portion 831 is located outside the scope body 86, and the first screw portion 832 passes through the scope body 86 and is in threaded connection with the second connecting plate 811. The second adjustment knob 84 has a second knob portion 841 formed outside the lens body 86 and a second screw portion 841 formed through the lens body 86 and threadedly coupled to the second coupling plate 811. The third adjustment knob 85 has a third knob portion 851 and a third screw portion 852, the third knob portion 851 is located outside the lens body 86, and the third screw portion 852 is screwed to the second connecting plate 811 after passing through the lens body 86. Preferably, a first column part 8111, a second column part 8112 and a third column part 8113 are molded on one surface of the second connecting plate 811 facing the elastic member 82, wherein the first screw part 832 is in threaded connection with the first column part 8111, the second screw part is in threaded connection with the second column part 8112, and the third screw part 852 is in threaded connection with the third column part 8113; the provision of the first column portion 8111, the second column portion 8112, and the third column portion 8113 on the second connecting plate 811 can improve the reliability of the connection between the first screw portion 832, the second screw portion, and the second screw portion and the second connecting plate 811, and can prevent at least one of the first screw portion 832, the second screw portion, and the third screw portion 852 from interfering with the mounting of the mirror 87.
Embodiments of astronomical telescope
The astronomical telescope comprises a primary mirror, an eyepiece and a star finder, wherein the eyepiece is arranged on the eyepiece end of the primary mirror, and the star finder is arranged on the mirror body of the primary mirror. The finder mirror is the finder mirror described in the first or second embodiment, and the astronomical telescope provided with the finder mirror can realize quick calibration of the finder mirror and reduce the calibration difficulty.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. The finder mirror, its characterized in that includes:
the endoscope comprises an endoscope body and a lens, wherein the endoscope body is provided with an accommodating cavity and a through hole, and the through hole is positioned at the top of the endoscope body and is communicated with the accommodating cavity;
the projection plane mirror is arranged at the top of the mirror body and is inclined to the axial direction of the through hole;
the single-chip mirror is arranged in the accommodating cavity and covers the through hole, and the through hole is positioned between the projection plane mirror and the single-chip mirror in the axial direction;
an adjustment assembly mounted on the mirror body;
the reflector is positioned in the accommodating cavity and connected with the adjusting component, the reflector is inclined to the axial direction, and the adjusting component can adjust the position of the reflector in the accommodating cavity;
the light source is arranged in the accommodating cavity, and the light emitting end of the light source faces the reflector;
the reticle is positioned between the light-emitting end and the reflector, a reticle pattern is arranged on the reticle, and the reflector can reflect the reticle pattern onto the projection plane mirror through the through hole.
2. The finder mirror of claim 1, wherein:
the adjustment assembly includes:
the bracket is positioned in the accommodating cavity, and the reflector is mounted on the bracket;
the elastic piece is connected between the bracket and the mirror body and forces the bracket to move towards the reticle;
the first adjusting knob penetrates through the mirror body and is connected with the support, and the first adjusting knob can adjust an included angle between the reflecting mirror and the axial direction;
the second adjusting knob penetrates through the mirror body and is connected with the support, the second adjusting knob can adjust the reflector to rotate around a rotating axis along a first direction, and the rotating axis is parallel to the axial direction;
and the third adjusting knob penetrates through the mirror body and is connected with the support, and the third adjusting knob can adjust the reflector to rotate around the rotating axis along a second direction, wherein the second direction is opposite to the first direction.
3. The finder mirror of claim 2, wherein:
the bracket is provided with a first connecting plate, and the elastic piece is connected between the first connecting plate and the mirror body;
the first adjusting knob comprises a first bolt and a first knob, a first screw of the first bolt penetrates through the first connecting plate and the endoscope body respectively, the first knob is positioned outside the endoscope body and is in threaded connection with the first screw, and the first knob and a first head of the first bolt are positioned on two opposite sides of the first connecting plate respectively;
the second adjusting knob comprises a second bolt and a second knob, a second screw of the second bolt penetrates through the first connecting plate and the endoscope body respectively, the second knob is positioned outside the endoscope body and is in threaded connection with the second screw, and second heads of the second knob and the second bolt are positioned on two opposite sides of the first connecting plate respectively;
the third adjusting knob comprises a third bolt and a third knob, a third screw of the third bolt penetrates through the first connecting plate and the endoscope body respectively, the third knob is located outside the endoscope body and in threaded connection with the third screw, and third heads of the second knob and the third bolt are located on two opposite sides of the first connecting plate respectively.
4. The finder mirror of claim 3, wherein:
the first connecting plate is provided with a first counter sink, a second counter sink and a third counter sink, the first head is located in the first counter sink, the second head is located in the second counter sink, and the third head is located in the third counter sink.
5. The finder mirror of claim 4, wherein:
the first counter sink, the second counter sink and the third counter sink are all hexagonal counter sinks, and the first head, the second head and the third head are all arranged in a hexagonal prism shape; or
The first countersunk hole is fixedly bonded with the first head part, the second countersunk hole is fixedly bonded with the second head part, and the third countersunk hole is fixedly bonded with the third head part.
6. The finder mirror of claim 2, wherein:
the bracket is provided with a second connecting plate, and the elastic piece is connected between the second connecting plate and the mirror body;
the first adjusting knob is provided with a first knob part and a first screw rod part, the first knob part is positioned outside the mirror body, and the first screw rod part penetrates through the mirror body and then is in threaded connection with the second connecting plate;
the second adjusting knob is provided with a second knob part and a second screw rod part, the second knob part is positioned outside the endoscope body, and the second screw rod part penetrates through the endoscope body and then is in threaded connection with the second connecting plate;
the third adjusting knob is provided with a third knob part and a third screw rod part, the third knob part is positioned outside the mirror body, and the second screw rod part penetrates through the mirror body and then is in threaded connection with the second connecting plate.
7. The finder mirror of claim 6, wherein:
the second connecting plate orientation the shaping has first post portion, second post portion and third post portion in the one side of elastic component, first screw rod portion with first post portion threaded connection, second screw rod portion with second post portion threaded connection, third screw rod portion with third post portion threaded connection.
8. The finder mirror according to any one of claims 1 to 7, wherein:
the star finder also comprises a pressing ring, the pressing ring is positioned in the accommodating cavity and fixedly connected with the mirror body, and the single-piece mirror is abutted between the mirror body and the pressing ring.
9. The finder mirror according to any one of claims 1 to 7, wherein:
the light source is a surface light source.
10. An astronomical telescope, comprising the finder mirror according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372535.3U CN215297825U (en) | 2021-06-18 | 2021-06-18 | Star finder and astronomical telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372535.3U CN215297825U (en) | 2021-06-18 | 2021-06-18 | Star finder and astronomical telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215297825U true CN215297825U (en) | 2021-12-24 |
Family
ID=79517126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121372535.3U Active CN215297825U (en) | 2021-06-18 | 2021-06-18 | Star finder and astronomical telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215297825U (en) |
-
2021
- 2021-06-18 CN CN202121372535.3U patent/CN215297825U/en active Active
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