CN211180388U

CN211180388U - Telescope eyepiece adjustment mechanism

Info

Publication number: CN211180388U
Application number: CN202020005931.1U
Authority: CN
Inventors: 周捷; 皮波
Original assignee: Yunnan Hanrui Optical Instrument Co ltd
Current assignee: Yunnan Hanrui Optical Instrument Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-08-04
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a telescope eyepiece adjustment mechanism, including lens cone, eyepiece and regulating box, the eyepiece is located inside the lens cone, the regulating box is installed in lens cone bottom one side, first spout and second spout have been seted up on the lens cone inner wall, fixedly connected with slider on the eyepiece lateral wall, the slider matches with first spout, be equipped with the transmission lead screw in the second spout, the transmission lead screw both ends are connected with second spout both sides inner wall rotation respectively, and the first bevel gear of fixedly connected with on the transmission lead screw, the meshing of first bevel gear is connected with second bevel gear, the inside telescopic link that is equipped with of regulating box. The utility model discloses a set up transmission lead screw and screw-nut to be connected eyepiece lateral wall and screw-nut, utilize the transmission lead screw to rotate, thereby make screw-nut remove and drive the eyepiece and remove, realize regulatory function, the stop gear who is equipped with on adjusting handle and the regulating box simultaneously can carry on spacingly to adjusting handle, prevents that the mistake from bumping the phenomenon.

Description

Telescope eyepiece adjustment mechanism

Technical Field

The utility model relates to a telescope correlation technique field specifically is a telescope eyepiece adjustment mechanism.

Background

The telescope is an optical instrument for observing a remote object by using a lens or a reflector and other optical devices; the light rays passing through the lens are refracted or reflected by the concave mirror to enter the small hole and be converged to form an image, and then the image is seen through a magnifying eyepiece. The telescope is also called as a kilometer mirror, and the first function of the telescope is to enlarge the field angle of a distant object so that human eyes can see details with smaller angular distance. The telescope is used for transmitting the light beam collected by the objective lens and much thicker than the pupil diameter (maximum 8 mm) into human eyes, so that the observer can see the dark and weak objects which cannot be seen originally.

The user often needs to adjust the distance of eyepiece according to user's user demand when using the telescope for reach the effect of adjusting the multiplying power, however, current telescope is when adjusting the eyepiece, and the regulating effect is not good, in the accommodation process, the eyepiece takes place to rock easily, and stability is not good, and adjusts the back, does not carry on spacingly to adjusting hand wheel, the mistake phenomenon of bumping appears easily, thereby lead to needs readjustment, troublesome poeration, be not convenient for use, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescope eyepiece adjustment mechanism to solve the current telescope that mentions among the above-mentioned background art when adjusting the eyepiece, the regulation effect is not good, in the accommodation process, the eyepiece takes place to rock easily, and stability is not good, and adjusts the back, does not carry on spacingly to adjusting hand wheel, appears the mistake easily and bumps the phenomenon, thereby leads to needs readjustment, troublesome poeration, the problem of not being convenient for to use.

In order to achieve the above object, the utility model provides a following technical scheme: an eyepiece adjusting mechanism of a telescope comprises a lens cone, an eyepiece and an adjusting box, wherein the eyepiece is positioned in the lens cone, the adjusting box is arranged at one side of the bottom end of the lens cone, a first sliding chute and a second sliding chute are arranged on the inner wall of the lens cone, a slide block is fixedly connected on one side wall of the ocular, the slide block is matched with the first chute, a transmission screw rod is arranged in the second chute, two ends of the transmission screw rod are respectively and rotatably connected with the inner walls of two sides of the second chute, a first bevel gear is fixedly connected to the transmission screw rod, a second bevel gear is meshed and connected to the first bevel gear, a telescopic rod is arranged inside the adjusting box, one end of the telescopic rod is connected with the second bevel gear, and telescopic link one end extends to the regulating box outside and is connected with adjusting handle, the last protrusion of adjusting handle is equipped with spacing hoop, the regulating box lower surface is equipped with the spacing annular that matches with spacing hoop.

Preferably, a screw rod nut is installed on the transmission screw rod, and the surface of one side of the screw rod nut is fixedly connected with the side wall of the eyepiece.

Preferably, the limiting ring groove is internally provided with a magnet, and the magnet is connected with the limiting iron ring in an adsorption manner.

Preferably, a through hole is formed between the lens cone and the adjusting box, the telescopic rod is rotatably connected with the adjusting box, and one end of the telescopic rod penetrates through the through hole to be fixedly connected with the second bevel gear.

Preferably, the diameter of the second bevel gear is the same as the diameter of the first bevel gear.

Preferably, first spout and slider all are equipped with the multiunit, and first spout circumference distributes on the lens cone inner wall, slider circumference distributes on the eyepiece outer wall, and first spout and slider correspond the setting.

The utility model provides a telescope eyepiece adjustment mechanism possesses following beneficial effect:

(1) the utility model discloses an at the inside transmission lead screw that is equipped with of lens cone, and with eyepiece a lateral wall and screw-nut fixed connection, pass through the spout sliding connection that is equipped with on slider and the lens cone inner wall with the eyepiece simultaneously, can be through rotating the adjusting handle, make the telescopic link rotate, thereby make the first bevel gear of second bevel gear meshing rotate, make and rotate with first bevel gear fixed connection's lead screw, screw-nut removes and drives the eyepiece and removes, thereby make the eyepiece pass through slider and screw-nut and slide in first spout and second spout.

(2) The utility model discloses an extrusion is equipped with spacing hoop on adjusting handle to be equipped with the spacing annular that matches with spacing hoop on the regulating box, be equipped with magnet simultaneously in spacing annular inside, can press the adjusting handle when not needing to adjust, thereby make the telescopic link shrink, make adjusting handle pass through spacing hoop card in spacing annular, magnet adsorbs fixedly to spacing hoop simultaneously, avoids appearing the mistake and bumps phenomenon, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the adjusting handwheel structure of the present invention;

fig. 4 is a schematic view of the bottom view structure of the adjusting box of the present invention.

In the figure: 1. a lens barrel; 2. an eyepiece; 3. a first chute; 4. a slider; 5. a second chute; 6. a transmission screw rod; 7. a feed screw nut; 8. a first bevel gear; 9. a second bevel gear; 10. a telescopic rod; 11. a through hole; 12. adjusting a hand wheel; 13. a limiting iron ring; 14. a limiting ring groove; 15. an adjusting box; 16. and a magnet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a telescope eyepiece adjusting mechanism comprises a lens barrel 1, an eyepiece 2 and an adjusting box 15, wherein the eyepiece 2 is positioned inside the lens barrel 1, the adjusting box 15 is installed at one side of the bottom end of the lens barrel 1, the inner wall of the lens barrel 1 is provided with a first chute 3 and a second chute 5, a slide block 4 is fixedly connected to one side wall of the eyepiece 2, the slide block 4 is matched with the first chute 3, a transmission lead screw 6 is arranged in the second chute 5, two ends of the transmission lead screw 6 are respectively connected with the inner walls at two sides of the second chute 5 in a rotating manner, a first bevel gear 8 is fixedly connected to the transmission lead screw 6, a second bevel gear 9 is connected to the first bevel gear 8 in a meshing manner, an expansion link 10 is arranged inside the adjusting box 15, one end of the expansion link 10 is connected with the second bevel gear 9, one end of the expansion link 10 extends to the outside of the adjusting box 15 and is connected, and a limiting ring groove 14 matched with the limiting iron ring 13 is formed in the lower surface of the adjusting box 15.

Install screw-nut 7 on the

transmission lead screw

6, 7 side surfaces of screw-nut and 2 lateral walls fixed connection of eyepiece can be through rotating transmission lead screw 6 to make screw-nut 7 take place the displacement, drive 2 synchronous motion of eyepiece when screw-nut 7 removes, thereby realize adjusting eyepiece 2 position.

The inside magnet 16 that is equipped with of spacing annular 14, magnet 16 adsorbs with spacing hoop 13 and is connected, can be through pressing adjusting handle 12 to make telescopic link 10 shrink, spacing hoop 13 is located spacing annular 14 when telescopic link 10 shrinks, and magnet 16 adsorbs fixedly to spacing hoop 13 simultaneously, and is spacing to adjusting handle 12, prevents that the mistake from bumping the phenomenon.

Be equipped with through-hole 11 between lens cone 1 and the regulating box 15, telescopic link 10 rotates with regulating box 15 to be connected, and telescopic link 10 one end passes through-hole 11 and second bevel gear 9 fixed connection, can be through rotating telescopic link 10 to make the second bevel gear 9 with telescopic link 10 fixed connection rotate in step, utilize second bevel gear 9 to rotate the first bevel gear 8 of meshing of rotation, thereby make transmission lead screw 6 synchronous rotation, make the lead screw nut 7 on the transmission lead screw 6 take place the displacement, thereby realize adjusting eyepiece 2 positions.

The diameter of the second bevel gear 9 is the same as that of the first bevel gear 8, so that the rotation amplitude of the second bevel gear 9 is the same as that of the first bevel gear 8, and the eyepiece 2 can be adjusted conveniently.

First spout 3 and slider 4 all are equipped with the multiunit, and 3 circumference distributions of first spout are on 1 inner wall of lens cone, 4 circumference distributions of slider are on 2 outer walls of eyepiece, and first spout 3 and slider 4 correspond the setting, can guarantee to adjust eyepiece 2, and eyepiece 2 is when following screw-nut 7 synchronous motion, and eyepiece 2 slides in 3 synchronous motions of first spout through multiunit slider 4 to guarantee the stability that eyepiece 2 removed, prevent that eyepiece 2 from taking place to rock the phenomenon at the removal in-process.

It should be noted that, when the telescope eyepiece adjusting mechanism works, the adjusting hand wheel 12 can be rotated in a forward direction or in a reverse direction, so that the telescopic rod 10 rotates synchronously, the second bevel gear 9 fixedly connected with the telescopic rod 10 rotates synchronously, the second bevel gear 9 rotates to engage with the first bevel gear 8 to rotate, so that the transmission screw 6 rotates synchronously, the lead screw nut 7 on the transmission screw 6 displaces, the lead screw nut 7 moves and simultaneously drives the eyepiece 2 to move synchronously, when the eyepiece 2 moves synchronously along with the lead screw nut 7, the eyepiece 2 slides synchronously in the first chute 3 through the plurality of groups of sliding blocks 4, so that the position of the eyepiece 2 is adjusted, and the arrangement of the plurality of groups of first flowers and sliding blocks 4 ensures the stability of the movement of the eyepiece 2, and prevents the eyepiece 2 from shaking in the moving process, after eyepiece 2 is adjusted, can be through pressing down adjusting hand wheel 12 to make telescopic link 10 shrink, spacing hoop 13 is located spacing annular 14 when telescopic link 10 shrinks, and magnet 16 adsorbs fixed spacing hoop 13 simultaneously, carries on spacingly to adjusting hand wheel 12, then can not rotate adjusting hand wheel 12 this moment, can carry on spacingly to adjusting hand wheel 12, prevents that the mistake from bumping the phenomenon, guarantees to adjust effectually.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A telescope eyepiece adjusting mechanism is characterized by comprising a lens barrel (1), an eyepiece (2) and an adjusting box (15), wherein the eyepiece (2) is positioned inside the lens barrel (1), the adjusting box (15) is installed on one side of the bottom end of the lens barrel (1), a first chute (3) and a second chute (5) are formed in the inner wall of the lens barrel (1), a sliding block (4) is fixedly connected to one side wall of the eyepiece (2), the sliding block (4) is matched with the first chute (3), a transmission lead screw (6) is arranged in the second chute (5), two ends of the transmission lead screw (6) are respectively in rotating connection with the inner walls of two sides of the second chute (5), a first bevel gear (8) is fixedly connected to the transmission lead screw (6), a first bevel gear (8) is in meshing connection with a gear (9), a telescopic rod (10) is arranged inside the adjusting box (15), telescopic link (10) one end is connected with second bevel gear (9), and telescopic link (10) one end extends to regulating box (15) outside and is connected with adjusting hand wheel (12), the extrusion is equipped with spacing hoop (13) on adjusting hand wheel (12), regulating box (15) lower surface is equipped with spacing annular (14) that match with spacing hoop (13).

2. A telescope eyepiece adjustment mechanism as claimed in claim 1, wherein: the transmission screw rod (6) is provided with a screw rod nut (7), and one side surface of the screw rod nut (7) is fixedly connected with the side wall of the eyepiece (2).

3. A telescope eyepiece adjustment mechanism as claimed in claim 1, wherein: the limiting ring groove (14) is internally provided with a magnet (16), and the magnet (16) is connected with the limiting iron ring (13) in an adsorption manner.

4. A telescope eyepiece adjustment mechanism as claimed in claim 1, wherein: a through hole (11) is arranged between the lens cone (1) and the adjusting box (15), the telescopic rod (10) is rotatably connected with the adjusting box (15), and one end of the telescopic rod (10) penetrates through the through hole (11) to be fixedly connected with the second bevel gear (9).

5. A telescope eyepiece adjustment mechanism as claimed in claim 1, wherein: the diameter of the second bevel gear (9) is the same as the diameter of the first bevel gear (8).

6. A telescope eyepiece adjustment mechanism as claimed in claim 1, wherein: first spout (3) and slider (4) all are equipped with the multiunit, and first spout (3) circumference distributes on lens cone (1) inner wall, slider (4) circumference distributes on eyepiece (2) outer wall, and first spout (3) and slider (4) correspond the setting.