CN215575919U

CN215575919U - Large-caliber telescope with eccentric structure

Info

Publication number: CN215575919U
Application number: CN202121827769.2U
Authority: CN
Inventors: 王安荣
Original assignee: Chongqing Great Ocean Optical & Electronical Industrial Co ltd
Current assignee: Chongqing Great Ocean Optical & Electronical Industrial Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-18
Anticipated expiration: 2031-08-06

Abstract

The utility model belongs to the field of telescopes, in particular to a large-caliber telescope with an eccentric structure, which comprises an objective lens barrel and an eyepiece barrel; an eyepiece barrel is arranged on one side of the objective barrel, and an eccentric telescope mechanism is arranged inside the objective barrel; the eccentric telescope mechanism comprises a first objective lens, a second objective lens, a rear objective lens, a prism group and an eyepiece group, wherein the first objective lens is arranged at a position close to the left side in an objective lens barrel, the second objective lens is arranged at the right side of the first objective lens, the rear objective lens is arranged at a position close to the center in the objective lens barrel, the prism group is fixedly arranged at the right side in the objective lens barrel, the eyepiece group is fixedly arranged in the eyepiece barrel, a protection mechanism is arranged at the left side of the objective lens barrel, and a dismounting mechanism is arranged between the objective lens barrel and the eyepiece barrel; the eccentric telescope mechanism can increase the diameter of the telescope without increasing the volume of the device.

Description

Large-caliber telescope with eccentric structure

Technical Field

The utility model relates to the field of telescopes, in particular to a large-caliber telescope with an eccentric structure.

Background

The telescope is an optical instrument for observing a remote object by using a lens, a reflector and other optical lenses, light is refracted by the lens or reflected by a concave mirror to enter a small hole and be converged and imaged, and then the light is seen through a magnifying eyepiece.

The existing large-caliber telescope is large in size, inconvenient to carry and low in attractiveness, and the existing large-caliber telescope is large in size in order to meet the standard of the distance between two eyes of a user; therefore, a large-caliber eccentric telescope is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that the existing large-caliber telescope is large in size and inconvenient to carry, the utility model provides a large-caliber eccentric structure telescope.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a large-caliber telescope with an eccentric structure, which comprises an objective lens barrel and an eyepiece barrel; an eyepiece barrel is arranged on one side of the objective barrel, and an eccentric telescope mechanism is arranged inside the objective barrel; eccentric telescope mechanism includes first objective, second objective, back objective, prism group and eyepiece group, first objective sets up and is close to left position department in objective lens barrel inside, the second objective sets up the right side at first objective, back objective sets up and puts the department at objective lens barrel inside being close to the center, prism group fixed mounting is on the inside right side of objective lens barrel, eyepiece group fixed mounting is in the inside of objective lens barrel, plays the effect that can increase the telescope bore under the condition that makes the device volume not increase through eccentric telescope mechanism.

Preferably, the left side of objective lens barrel is provided with protection machanism, protection machanism includes visor, spacing groove, stopper, spacing chamber, cover block and first spring, the visor sets up the left side at the objective lens barrel, the inboard at the visor is seted up to the spacing groove, one side and the spacing groove block on stopper top, the left side at the objective lens barrel is seted up in spacing chamber, and the inside cover in spacing chamber is equipped with the stopper, the cover groove has all been seted up to the both sides of stopper bottom, the cover block cover is established in the inside of cover groove, first spring sets up the central point department of putting in the stopper bottom, plays the inside that prevents that debris from entering into the objective lens barrel when not using through protection machanism.

Preferably, be provided with disassembly body between objective lens barrel and eyepiece barrel, disassembly body includes splint, centre gripping pad, connecting block, spread groove and second spring, splint set up the outside at the eyepiece barrel, the glue of centre gripping pad is glued on splint, and the outside of centre gripping pad and eyepiece barrel closely laminates, the connecting block is connected with the splint is fixed, the right side at the objective lens barrel is seted up to the spread groove, and the inside cover of spread groove is equipped with the connecting block, the second spring sets up in the inside of spread groove, plays the effect that the convenience was changed to eyepiece barrel and inside subassembly through disassembly body.

Preferably, the inside first slider of the all fixedly connected with in bottom of cover groove, and first slider sliding connection is in the inside of first spout, first spout is seted up in the both sides of cover block, plays through first slider and first spout and carries out spacing effect to the displacement of stopper.

Preferably, one side on stopper top is slope form design, and stopper and spacing groove cooperate, plays the effect more convenient effect when installing the visor through the effect of the stopper of slope form design.

Preferably, the connecting block is close to the both sides of second spring one end and all fixedly connected with second slider, and second slider sliding connection is in the inside of second spout, the both sides inside the spread groove are seted up to the second spout, and the effect through second slider and second spout plays the more smooth and easy effect of removal that makes the connecting block.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the first objective lens, the second objective lens, the rear objective lens, the prism group and the eyepiece group, the functions of meeting the standard of the distance between two eyes of a user and reducing the volume of the telescope are realized, the optical axes of the first objective lens, the second objective lens and the rear objective lens are deflected under the action of the prism group and then fall on the optical axis of the eyepiece group, the problem that the existing large-caliber telescope is large in volume and inconvenient to carry is solved, the attractiveness of the telescope is improved, and the volume of the telescope is reduced;

2. according to the utility model, through the structural design of the protective cover, the limiting groove, the limiting block, the limiting cavity, the sleeve block and the first spring, the function of protecting the objective lens barrel is realized, the lens is protected through the action of the protective cover, and the protective cover is fixed through the action of the limiting groove, the limiting block, the limiting cavity, the sleeve block and the first spring, so that the problem that most of the existing telescopes do not have the function of protecting the lens is solved, and the practicability of the device is improved.

3. According to the utility model, through the structural design of the clamping plate, the clamping pad, the connecting block, the connecting groove and the second spring, the function of disassembling and replacing the eyepiece barrel is realized, the eyepiece barrel is fixed through the combined action of the clamping plate, the clamping pad, the connecting block, the connecting groove and the second spring, the problem that the eyepiece barrel cannot be replaced in most of the existing telescopes is solved, the usability of the device is improved, and the device is convenient to carry

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic side sectional view illustrating a first embodiment of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is an enlarged structural diagram of the first embodiment at B in FIG. 3;

FIG. 5 is an enlarged structural view of the first embodiment at C in FIG. 2;

fig. 6 is a schematic structural diagram of a partial side view cross section in the second embodiment.

In the figure: 1. an eyepiece barrel; 21. a first objective lens; 22. a second objective lens; 23. a rear objective lens; 24. a prism group; 25. an eyepiece group; 31. a protective cover; 32. a limiting groove; 33. a limiting block; 34. a limiting cavity; 35. sleeving a groove; 36. sleeving blocks; 37. a first slider; 38. a first chute; 39. a first spring; 310. a movable block; 311. a movable groove; 4. an objective lens barrel; 51. a splint; 52. a clamping pad; 53. connecting blocks; 54. connecting grooves; 55. a second spring; 56. a second slider; 57. a second runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, a large-caliber eccentric telescope includes an objective tube 1 and an eyepiece tube 4; an eyepiece barrel 4 is arranged on one side of the objective lens barrel 1, and an eccentric telescope mechanism is arranged inside the objective lens barrel 1; the eccentric telescope mechanism comprises a first objective lens 21, a second objective lens 22, a rear objective lens 23, a prism group 24 and an eyepiece group 25, wherein the first objective lens 21 is arranged at a position close to the left side in the objective lens barrel 1, the second objective lens 22 is arranged at the right side of the first objective lens 21, the rear objective lens 23 is arranged at a position close to the center in the objective lens barrel 1, the prism group 24 is fixedly arranged at the right side in the objective lens barrel 1, and the eyepiece group 25 is fixedly arranged in the eyepiece lens barrel 4; in operation, the first objective lens 21, the second objective lens 22, and the rear objective lens 23 are offset by several millimeters from the objective lens group 25 to form an eccentric structure, and the optical axes of the first objective lens 21, the second objective lens 22, and the rear objective lens 23 are maintained at a center by the prism group 24, so that the first objective lens 21, the second objective lens 22, and the rear objective lens 23 do not have to be maintained at an axis with the objective lens group 25.

A protection mechanism is arranged on the left side of the objective lens barrel 1, the protection mechanism comprises a protective cover 31, a limiting groove 32, a limiting block 33, a limiting cavity 34, a sleeve block 36 and a first spring 39, the protective cover 31 is arranged on the left side of the objective lens barrel 1, the limiting groove 32 is arranged on the inner side of the protective cover 31, one side of the top end of the limiting block 33 is clamped with the limiting groove 32, the limiting cavity 34 is arranged on the left side of the objective lens barrel 1, the limiting block 33 is sleeved inside the limiting cavity 34, the sleeve grooves 35 are arranged on two sides of the bottom end of the limiting block 33, the sleeve block 36 is sleeved inside the sleeve groove 35, and the first spring 39 is arranged at the center position of the bottom end of the limiting block 33; in operation, when the protective cover 31 is to be removed, the stopper 33 is first pushed downward by the portion exposed outside the objective lens barrel 1, the stopper 33 is moved downward by the action of pressure, and the first spring 39 is pressed to elastically deform the first spring 39, so that the stopper 33 is disengaged from the stopper groove 32, and the stopper effect on the protective cover 31 is released, whereby the protective cover 31 can be removed.

A dismounting mechanism is arranged between the objective lens barrel 1 and the eyepiece barrel 4, the dismounting mechanism comprises a clamping plate 51, a clamping pad 52, a connecting block 53, a connecting groove 54 and a second spring 55, the clamping plate 51 is arranged at the outer side of the eyepiece barrel 4, the clamping pad 52 is glued on the clamping plate 51, the clamping pad 52 is tightly attached to the outer side of the eyepiece barrel 4, the connecting block 53 is fixedly connected with the clamping plate 51, the connecting groove 54 is formed in the right side of the objective lens barrel 1, the connecting block 53 is sleeved in the connecting groove 54, and the second spring 55 is arranged in the connecting groove 54; when the eyepiece is detached, the eyepiece barrel 4 is directly pulled out to the side far away from the objective lens barrel 1, and when the eyepiece barrel 4 is installed, the eyepiece barrel 4 is pushed to the side of the objective lens barrel 1.

The bottom end inside the sleeve groove 35 is fixedly connected with a first sliding block 37, the first sliding block 37 is connected inside a first sliding groove 38 in a sliding manner, and the first sliding groove 38 is formed in two sides of the sleeve block 36; during operation, the first slider 37 moves inside the first sliding groove 38 along with the movement of the limiting block 33, and the movement distance of the limiting block 33 is limited by the length of the first sliding groove 38.

One side of the top end of the limiting block 33 is designed in an inclined shape, and the limiting block 33 is matched with the limiting groove 32; when the protective cover works, the protective cover 31 is limited through the combined action of the limiting block 33 and the limiting groove 32.

Both sides of one end of the connecting block 53, which is close to the second spring 55, are fixedly connected with second sliding blocks 56, the second sliding blocks 56 are slidably connected inside second sliding grooves 57, and the second sliding grooves 57 are formed in both sides inside the connecting grooves 54; in operation, the second sliding block 56 slides in the second sliding groove 57 along with the movement of the connecting block 53, and the movement distance of the connecting block 53 is limited by the action of the length of the second sliding groove 57, so that the connecting block 53 is prevented from being separated from the connecting groove 54.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, both sides of the bottom end of the limiting block 33 are fixedly connected with movable blocks 310, the movable blocks 310 are slidably connected inside movable grooves 311, and the movable grooves 311 are disposed on both sides inside the limiting cavity 34; when the limiting device works, the movable block 310 slides in the movable groove 311 along with the movement of the limiting block 33, the action of the movable block 310 and the movable groove 311 reduces the friction force between the limiting block 33 and the limiting cavity 34 when moving, and the limiting block 33 is prevented from being blocked due to the overlarge friction force between the limiting block 33 and the limiting cavity 34 when moving.

In the working principle, the first objective lens 21, the second objective lens 22, the rear objective lens 23 and the objective lens group 25 are offset by several millimeters to form an eccentric structure, and the optical axes of the first objective lens 21, the second objective lens 22 and the rear objective lens 23 are kept in a center through the action of the prism group 24, so that the first objective lens 21, the second objective lens 22 and the rear objective lens 23 do not need to be kept on an axis with the objective lens group 25, and the size of the device does not need to be increased under the condition of increasing the aperture of the device.

When the protective cover 31 is to be removed, the portion of the stopper 33 exposed outside the objective lens barrel 1 is first pressed downward, the stopper 33 moves downward under the action of the pressure, and presses the first spring 39 to elastically deform the first spring 39, so that the stopper 33 is disengaged from the stopper groove 32, the position limiting effect on the protective cover 31 is released, at this time, the protective cover 31 can be taken down, and when the protective cover 31 is to be installed, only the protection cover 31 needs to be pushed to one side of the objective lens barrel 1, at this time, the limiting block 33 is pushed by the protection cover 31 to move downwards to extrude the first spring 39, so that the first spring 39 generates elastic deformation, when the protective cover 31 is pushed to be unable to move, the extrusion force of the protective cover 31 to the stopper 33 disappears, and at this time, the stopper 33 is restored to the original position under the action of the restoring force of the first spring 39 and is engaged with the stopper groove 32 to perform the function of limiting the protective cover 31.

When the eyepiece barrel 4 is to be detached, the eyepiece barrel 4 is directly pulled out towards the side far away from the objective lens barrel 1, when the eyepiece barrel 4 is to be installed, the eyepiece barrel 4 is pushed towards one side of the objective lens barrel 1, the eyepiece barrel 4 is enabled to extrude the clamping plate 51, the clamping plate 51 moves under the action of extrusion force, the connecting block 53 is pushed to move towards the inside of the connecting groove 54 and extrude the second spring 55, the second spring 55 is enabled to generate elastic deformation, and when the eyepiece barrel 4 is pushed to the limit, the clamping plate 51 is pushed by the connecting block 53 to move towards the original position under the action of the reducing force of the second spring 55 and extrude the clamping pad 52, so that the clamping pad 52 is tightly attached to the outer side of the eyepiece barrel 4, the friction force between the clamping pad and the eyepiece barrel 4 is increased, the eyepiece barrel 4 is clamped, and the eyepiece barrel 4 is limited.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. 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 utility model as claimed.

Claims

1. A large-caliber telescope with an eccentric structure is characterized in that: comprises an objective lens barrel (1) and an eyepiece barrel (4); an eyepiece sleeve (4) is arranged on one side of the objective lens barrel (1), and an eccentric telescope mechanism is arranged inside the objective lens barrel (1);

eccentric telescope mechanism includes first objective (21), second objective (22), back objective (23), prism group (24) and eyepiece group (25), first objective (21) set up and are close to left position department in objective lens barrel (1) inside, second objective (22) set up the right side at first objective (21), back objective (23) set up and are close to central point department of putting in objective lens barrel (1) inside, prism group (24) fixed mounting is on the inside right side of objective lens barrel (1), eyepiece group (25) fixed mounting is in the inside of eyepiece barrel (4).

2. The large-caliber eccentric telescope according to claim 1, wherein: the left side of objective lens barrel (1) is provided with protection machanism, protection machanism includes visor (31), spacing groove (32), stopper (33), spacing chamber (34), nest block (36) and first spring (39), visor (31) set up the left side at objective lens barrel (1), the inboard at visor (31) is seted up in spacing groove (32), one side and spacing groove (32) block on stopper (33) top, the left side at objective lens barrel (1) is seted up in spacing chamber (34), and the inside cover in spacing chamber (34) is equipped with stopper (33), cover groove (35) have all been seted up to the both sides of stopper (33) bottom, the inside at cover groove (35) is established in cover block (36) cover, first spring (39) set up the central point department of putting in stopper (33) bottom.

3. A large caliber eccentric telescope according to claim 2, wherein: be provided with disassembly body between objective lens barrel (1) and eyepiece barrel (4), disassembly body includes splint (51), centre gripping pad (52), connecting block (53), connecting groove (54) and second spring (55), splint (51) set up the outside at eyepiece barrel (4), centre gripping pad (52) are glued on splint (51), and centre gripping pad (52) closely laminate with the outside of eyepiece barrel (4), connecting block (53) and the fixed connection of splint (51), connecting groove (54) are seted up on objective lens barrel (1)'s right side, and the inside cover of connecting groove (54) is equipped with connecting block (53), second spring (55) set up the inside at connecting groove (54).

4. A large caliber eccentric telescope according to claim 3, wherein: the inside bottom of cover groove (35) all fixedly connected with first slider (37), and first slider (37) sliding connection is in the inside of first spout (38), the both sides at cover piece (36) are seted up in first spout (38).

5. The large-caliber eccentric telescope according to claim 4, wherein: one side at the top end of the limiting block (33) is designed in an inclined shape, and the limiting block (33) is matched with the limiting groove (32).

6. The large-caliber eccentric telescope according to claim 5, wherein: connecting block (53) are close to both sides of second spring (55) one end and all fixedly connected with second slider (56), and second slider (56) sliding connection is in the inside of second spout (57), the both sides in connecting groove (54) inside are seted up in second spout (57).