CN219872642U - Improved telescope teaching aid - Google Patents
Improved telescope teaching aid Download PDFInfo
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- CN219872642U CN219872642U CN202321024089.6U CN202321024089U CN219872642U CN 219872642 U CN219872642 U CN 219872642U CN 202321024089 U CN202321024089 U CN 202321024089U CN 219872642 U CN219872642 U CN 219872642U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000003384 imaging method Methods 0.000 abstract description 11
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001479578 Packera contermina Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 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
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of telescopes, and particularly relates to an improved telescope teaching aid, which comprises: the first lens cone, with first lens cone one end fixed connection's second lens cone, the one end inboard fixedly connected with objective of first lens cone is kept away from the second lens cone, one side bottom rotation that first lens cone is close to the second lens cone is connected with bearing structure, the one end that first lens cone is close to the second lens cone is equipped with can dismantle positive image structure, the one end inboard that the second lens cone is kept away from the first lens cone is equipped with lens conversion structure, objective, can dismantle positive image structure, the coaxial setting of lens conversion structure. By utilizing the structures, the improved telescope teaching aid which can conveniently adjust different types of optical telescopes, enables students to intuitively and fully know the imaging change conditions under different lenses, does not need to detach ocular lenses, and is not easy to damage the ocular lenses is realized.
Description
Technical Field
The utility model belongs to the technical field of telescopes, and particularly relates to an improved telescope teaching aid.
Background
The telescope is an optical instrument for observing remote objects by using lenses or reflectors and other optical devices, light rays passing through the lenses are refracted or reflected by concave mirrors to enter small holes and are converged to form images, the images are then seen through an amplifying eyepiece, namely a 'senecio lens', the telescope is divided into two types of Galileo type lenses and Kepler type lenses, the objective lenses of the two types of telescope are convex lenses and the eyepiece lenses are different, the Galileo type lenses are concave lenses to be used as the eyepieces, the imaging has the advantages of positive imaging, the defect of small field of view, the Kepler type lenses are used as the eyepieces, the defect of large field of view is that the imaging is inverted, the imaging principle of the camera is very similar to that of the refracting telescope, and a focusing screen formed by placing frosted glass on a focus is formed.
Telescope used in education in primary and secondary schools is collectively referred to as telescope teaching aid. At present, in middle and primary schools education, galileo type and kepler type lenses are taught, and meanwhile, the teaching of a ground glass scattering imaging principle in an observation lens for camera imaging is also related. However, most of the existing telescope teaching aids are mutually independent, some of the existing telescope teaching aids are used for combining two kinds of refraction telescope, but the three kinds of optical equipment are not used for making a unified teaching aid, so that students cannot learn the imaging principles of the telescope and the camera more intuitively, and the teaching effect of the telescope teaching aid is not ideal.
Disclosure of Invention
The utility model aims to provide an improved telescope teaching aid to solve the problems, and three lenses can be conveniently converted, so that the aim of conveniently learning the light refraction conditions under different lenses is fulfilled.
In order to achieve the above object, the present utility model provides the following solutions:
an improved telescope teaching aid comprising: the first lens cone is fixedly connected with one end of the second lens cone, an objective lens is fixedly connected to the inner side of one end of the first lens cone, which is far away from the second lens cone, a supporting structure is rotationally connected to the bottom end of one side of the first lens cone, which is close to the second lens cone, a detachable positive image structure is arranged at one end of the first lens cone, which is far away from the first lens cone, a lens conversion structure is arranged on the inner side of one end of the second lens cone, and the objective lens, the detachable positive image structure and the lens conversion structure are coaxially arranged.
Preferably, the lens conversion structure comprises a convex cylinder, the convex cylinder is fixedly connected with the second lens barrel, a rotating groove is formed in the bottom end of the convex cylinder, a conversion lens table is rotatably connected to the inner side of the convex cylinder, and the bottom end of the conversion lens table is flush with the bottom end of the rotating groove; the conversion rotary drum is axially arranged on one side of the conversion lens table, the conversion limiting rod is fixedly connected to the inner side of the second lens barrel, and the conversion limiting rod is rotationally connected with the conversion rotary drum.
Preferably, the conversion lens table is fixedly connected with a concave lens piece, a convex lens piece and a focusing screen at equal intervals along the circumferential direction.
Preferably, the conversion limiting rod comprises a fixing rod, three sliding grooves are formed in the fixing rod at equal intervals along the circumferential direction, limiting sliding blocks are radially and slidably connected to the inner sides of the sliding grooves along the fixing rod, and a reset spring is fixedly connected between the bottom ends of the limiting sliding blocks and the sliding grooves; the inner side of the conversion rotary drum is provided with a triangular rotary groove, and the three limit sliding blocks are in one-to-one correspondence with three corners of the triangular rotary groove.
Preferably, the detachable positive structure comprises a lens jack, the lens jack is arranged on the inner side of the first lens barrel, one end of the lens jack is rotationally connected with a rubber strip plug, the rubber strip plug is matched with the lens jack, a positive lens slot is formed in the portion, located on the inner side of the lens jack, of the first lens barrel, a positive lens is detachably connected in the positive lens slot, and the positive lens and the objective lens are coaxially arranged.
Preferably, the support structure comprises a swivel base, the top end of the swivel base is vertically and rotatably connected with the bottom end of the first lens cone, and the bottom end of the swivel base is horizontally and rotatably connected with a tripod.
Preferably, one end of the second lens barrel far away from the first lens barrel is fixedly connected with a soft sleeve.
Compared with the prior art, the utility model has the following advantages and technical effects:
can conveniently adjust the condition of putting of first lens cone, second lens cone through setting up bearing structure, realize observing in a flexible way, through setting up lens conversion structure, can the installation condition of three kinds of camera lenses of quick adjustment, need not to dismantle the camera lens, can convert this telescope teaching aid into the telescope of different grade type, make things convenient for under the lens of student study different grade type, the condition of imaging change, and still be equipped with and dismantle the just like structure cooperation lens conversion structure, can just like handling the formation of image after lens conversion structure converts keplerian telescope mode, make things convenient for the student to observe, can extend the teaching content of light propagation condition simultaneously.
By utilizing the structures, the improved telescope teaching aid which can conveniently adjust different types of optical telescopes, enables students to intuitively and fully know the imaging change conditions under different lenses, does not need to detach ocular lenses, and is not easy to damage the ocular lenses is realized.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of a lens converting structure;
fig. 4 is a schematic structural view of the switching lever.
Reference numerals: 1. a first barrel; 2. a second barrel; 3. a tripod; 4. rotating base; 5. a lens conversion structure; 101. a rubber strip plug; 102. a positive image lens slot; 103. an erecting lens; 104. an objective lens; 201. a soft sleeve; 501. a convex cylinder; 502. a rotating groove; 503. a conversion lens stage; 504. a switching drum; 505. a switching limit rod; 5031. a concave ocular lens; 5032. a convex ocular lens; 5033. a focusing screen; 5051. a fixed rod; 5052. a chute; 5053. a limit sliding block; 5054. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the present utility model provides an improved telescope teaching aid comprising: the first lens cone 1, the second lens cone 2 with first lens cone 1 one end fixed connection, the inboard fixedly connected with objective 104 of one end of second lens cone 2 is kept away from to first lens cone 1, one side bottom rotation that first lens cone 1 is close to second lens cone 2 is connected with bearing structure, the one end that first lens cone 1 is close to second lens cone 2 is equipped with can dismantle positive image structure, the one end inboard that second lens cone 2 kept away from first lens cone 1 is equipped with lens conversion structure 5, objective 104, can dismantle positive image structure, lens conversion structure 5 coaxial setting.
Can conveniently adjust the condition of putting of first lens cone 1, second lens cone 2 through setting up bearing structure, realize observing in a flexible way, through setting up lens converting structure 5, can the installation condition of three kinds of camera lenses of quick adjustment, need not to dismantle the camera lens, can convert this telescope teaching aid into the telescope of different grade type, make things convenient for under the lens of different grade type of student study, the condition of formation of image change, and still be equipped with and dismantle positive image structure cooperation lens converting structure 5, can carry out positive image processing to formation of image after lens converting structure 5 converts keplerian telescope mode, make things convenient for the student to observe, can extend the teaching content of light propagation condition simultaneously.
In a further optimized scheme, the lens conversion structure 5 comprises a convex cylinder 501, the convex cylinder 501 is fixedly connected with the second lens barrel 2, a rotary groove 502 is formed in the bottom end of the convex cylinder 501, a conversion lens table 503 is connected to the inner side of the convex cylinder 501 in a rotary mode, and the bottom end of the conversion lens table 503 is flush with the bottom end of the rotary groove 502; a conversion rotary drum 504 is connected to one side of the conversion lens table 503 in a shaft way, a conversion limit rod 505 is fixedly connected to the inner side of the second lens barrel 2, and the conversion limit rod 505 is rotatably connected with the conversion rotary drum 504.
Further optimizing scheme, the conversion lens table 503 is fixedly connected with a concave lens 5031, a convex lens 5032 and a focusing screen 5033 at equal intervals along the circumferential direction. The concave eyepiece 5031 forms a galilean telescope with the objective lens 104, the convex eyepiece 5032 forms a keplerian telescope with the objective lens 104, and the focusing screen 5033 forms a camera lens imaging model with the objective lens 104.
In a further optimized scheme, the conversion limiting rod 505 comprises a fixed rod 5051, three sliding grooves 5052 are formed in the fixed rod 5051 at equal intervals along the circumferential direction, a limiting sliding block 5053 is connected to the inner side of the sliding groove 5052 in a sliding manner along the radial direction of the fixed rod 5051, and a reset spring 5054 is fixedly connected between the bottom end of the limiting sliding block 5053 and the sliding groove 5052; a triangular rotating groove is formed in the inner side of the conversion drum 504, and three limit sliders 5053 are in one-to-one correspondence with three corners of the triangular rotating groove. When the three limiting slide blocks 5053 rotate, the three limiting slide blocks 5053 are deflected and extruded with the three corners of the triangular rotating groove, the three limiting slide blocks 5053 are inwards extruded, when the three limiting slide blocks 5053 rotate for 120 degrees, the three limiting slide blocks 5053 re-enter the three corners of the triangular rotating groove, and at the moment, the three limiting slide blocks 5053 can limit the triangular rotating groove, so that limiting is realized, and alignment of a lens is ensured.
Further optimizing scheme, can dismantle positive image structure includes the lens socket, and the lens socket is seted up in first lens cone 1 inboard, and lens socket one end rotates and is connected with rubber strip stopper 101, and rubber strip stopper 101 and lens socket assorted, first lens cone 1 has seted up positive image mirror slot 102 in the part that is located the lens socket inboard, can dismantle in the positive image mirror slot 102 and be connected with positive image lens 103, positive image lens 103 and the coaxial setting of objective 104. In use, the positive image function can be added by inserting the positive image lens 103 into the lens insertion opening, and when the positive image function is not needed, the rubber strip plug 101 can be pressed to realize sealing and light-tightness.
Further optimizing scheme, bearing structure includes swivel mount 4, and swivel mount 4 top and 1 bottom vertical rotation of first lens cone are connected, and swivel mount 4 bottom level rotates and is connected with tripod 3. Through the cooperation of swivel mount 4 and tripod 3, can realize that the device rotates in a flexible way for observe around more nimble stability.
Further optimizing scheme, the one end of second lens cone 2 that keeps away from first lens cone 1 is fixedly connected with soft cover 201. The soft sleeve 201 is preferably made of a sponge material, so that the user can protect eyes and reduce discomfort when viewing the soft sleeve 201.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. An improved telescope teaching aid, comprising: the first lens cone (1), with second lens cone (2) of first lens cone (1) one end fixed connection, first lens cone (1) is kept away from the inboard fixedly connected with objective (104) of one end of second lens cone (2), first lens cone (1) is close to one side bottom rotation of second lens cone (2) is connected with bearing structure, first lens cone (1) is close to one end of second lens cone (2) is equipped with can dismantle positive image structure, second lens cone (2) is kept away from the one end inboard of first lens cone (1) is equipped with lens conversion structure (5), objective (104), can dismantle positive image structure, lens conversion structure (5) coaxial setting.
2. The improved telescope teaching aid according to claim 1, wherein the lens conversion structure (5) comprises a convex cylinder (501), the convex cylinder (501) is fixedly connected with the second lens barrel (2), a rotating groove (502) is formed in the bottom end of the convex cylinder (501), a conversion lens table (503) is rotatably connected to the inner side of the convex cylinder (501), and the bottom end of the conversion lens table (503) is flush with the bottom end of the rotating groove (502); a conversion rotary drum (504) is connected to one side of the conversion lens table (503) in a shaft mode, a conversion limiting rod (505) is fixedly connected to the inner side of the second lens barrel (2), and the conversion limiting rod (505) is connected with the conversion rotary drum (504) in a rotating mode.
3. The improved telescope teaching aid according to claim 2, wherein the conversion lens table (503) is fixedly connected with a concave lens (5031), a convex lens (5032) and a focusing screen (5033) at equal intervals along the circumferential direction.
4. The improved telescope teaching aid according to claim 2, wherein the conversion limiting rod (505) comprises a fixed rod (5051), three sliding grooves (5052) are formed in the fixed rod (5051) at equal intervals along the circumferential direction, limiting sliding blocks (5053) are slidingly connected to the inner sides of the sliding grooves (5052) along the radial directions of the fixed rod (5051), and reset springs (5054) are fixedly connected between the bottom ends of the limiting sliding blocks (5053) and the sliding grooves (5052); the inner side of the conversion rotary drum (504) is provided with a triangular rotary groove, and three limit sliding blocks (5053) are in one-to-one correspondence with three corners of the triangular rotary groove.
5. The improved telescope teaching aid according to claim 1, wherein the detachable positive structure comprises a lens socket, the lens socket is arranged on the inner side of the first lens barrel (1), one end of the lens socket is rotationally connected with a rubber strip plug (101), the rubber strip plug (101) is matched with the lens socket, a positive lens slot (102) is formed in the portion, located on the inner side of the lens socket, of the first lens barrel (1), a positive lens (103) is detachably connected in the positive lens slot (102), and the positive lens (103) and the objective lens (104) are coaxially arranged.
6. The improved telescope teaching aid according to claim 1, wherein the supporting structure comprises a swivel base (4), the top end of the swivel base (4) is vertically and rotatably connected with the bottom end of the first lens barrel (1), and a tripod (3) is horizontally and rotatably connected with the bottom end of the swivel base (4).
7. An improved telescope teaching aid according to claim 1, characterized in that the end of the second barrel (2) remote from the first barrel (1) is fixedly connected with a flexible sleeve (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024089.6U CN219872642U (en) | 2023-05-04 | 2023-05-04 | Improved telescope teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024089.6U CN219872642U (en) | 2023-05-04 | 2023-05-04 | Improved telescope teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872642U true CN219872642U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024089.6U Active CN219872642U (en) | 2023-05-04 | 2023-05-04 | Improved telescope teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872642U (en) |
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2023
- 2023-05-04 CN CN202321024089.6U patent/CN219872642U/en active Active
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