CN213399024U

CN213399024U - Optical lens barrel with stable adjusting function

Info

Publication number: CN213399024U
Application number: CN202022898707.2U
Authority: CN
Inventors: 陈运涛
Original assignee: Huizhou Haichuan Optical Components Co ltd
Current assignee: Huizhou Haichuan Optical Components Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-06-08
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an optical lens cone with stabilize regulatory function relates to the lens cone field, adjusts unstable inadequately to current lens cone, leads to the problem that its availability factor is low, now proposes following scheme, and it includes connecting sleeve, first lens cone and second lens cone, connecting sleeve's both sides are provided with first lens cone and second lens cone respectively, just first lens cone includes first outer lens cone and first inner lens cone, and the second lens cone includes second outer lens cone and second inner lens cone, the inside in first outer lens cone is installed to the one end of first inner lens cone, just the outside in second outer lens cone is installed to the one end of second inner lens cone, all rotate on first outer lens cone and the second outer lens cone and install the screw thread ring. The utility model discloses novel structure, and the device can adjust the visual scope of lens cone and the interval between the lens cone to keep relatively stable after adjusting the completion, improved its availability factor, suitable using widely.

Description

Optical lens barrel with stable adjusting function

Technical Field

The utility model relates to a lens cone field especially relates to an optical lens cone with stabilize regulatory function.

Background

The optical instrument is formed by combining a single optical device or a plurality of optical devices, and the optical instrument is mainly divided into two categories, one category is an optical instrument for imaging, such as a slide projector, a camera and the like; the other type is an optical instrument forming a virtual image, such as a telescope, a microscope, a magnifier and the like, wherein a lens is used as an essential part of an optical device and is generally embedded in a lens barrel, and the lens barrel is used as a structure for bearing the lens, so that the development is relatively rapid.

When the lens cone of the telescope is used, the distance between the two lens cones is generally adjusted through a damping structure, and the method has instability and cannot effectively fix the lens cone, so that the use efficiency of the lens cone in the use process is greatly reduced, and therefore, an optical lens cone with a stable adjusting function is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an optical lens cone with stabilize regulatory function has solved current lens cone and has adjusted not stable enough, leads to the problem that its availability factor is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optical lens cone with a stable adjusting function comprises a connecting sleeve, a first lens cone and a second lens cone, wherein the first lens cone and the second lens cone are respectively arranged at two sides of the connecting sleeve, the first lens cone comprises a first outer lens cone and a first inner lens cone, the second lens cone comprises a second outer lens cone and a second inner lens cone, one end of the first inner lens cone is arranged in the first outer lens cone, one end of the second inner lens cone is arranged outside the second outer lens cone, the first outer lens cone and the second outer lens cone are both rotatably provided with threaded rings, and the inner wall of the threaded ring and the outer walls of the first inner lens cone and the second inner lens cone are provided with threads matched with each other, one sides of the first lens cone and the second lens cone, which are close to the connecting sleeve, are respectively connected with a first rack plate and a second rack plate through a first connecting plate and a second connecting plate, and an adjusting device is arranged inside the connecting sleeve.

Preferably, the limiting rings are mounted at one end of the first inner lens barrel located inside the first outer lens barrel and at one end of the second inner lens barrel located inside the second outer lens barrel.

Preferably, the threaded ring is rotatably connected with the first outer lens barrel and the second outer lens barrel through a limiting strip.

Preferably, the adjusting device comprises an adjusting fluted disc, an adjusting plate, a driving rod, a first driven rod, a positioning fluted disc, a second driven rod, an anti-falling block and a return spring.

Preferably, the driving rod is installed in connecting sleeve's front, and driving rod through connection sleeve's front, and its one end fixedly connected with regulating plate that is located the connecting sleeve outside, the driving rod is located the inside one end fixedly connected with of connecting sleeve and adjusts the fluted disc, just adjust the fluted disc and keep away from the first driven lever of one end fixedly connected with of driving rod, the one end rotation that the regulation fluted disc was kept away from to first driven lever is connected with the location fluted disc, just one side fixedly connected with second driven lever that first driven lever was kept away from to the location fluted disc, just the slip through connection sleeve's of second driven lever back, and fixedly connected with anticreep piece.

Preferably, the rod body cover of second driven lever is equipped with reset spring, just reset spring's one end and anticreep piece fixed connection, reset spring's the other end and connecting sleeve's back fixed connection.

Preferably, the connecting sleeve is arranged in an arc shape, and two ends of the connecting sleeve are mutually communicated.

The utility model has the advantages that:

1. the inner and outer lens cones are arranged on the lens cones on the two sides of the telescope, and the adjusting device is arranged between the inner and outer lens cones, so that the visual range of the lens cones of the telescope can be effectively adjusted.

2. Through set up connecting sleeve between the lens cone of both sides to set up adjusting device between connecting sleeve, thereby make the both sides lens cone interval of this telescope can stabilize the regulation according to the user demand, and can remain stable after the regulation is accomplished, the effectual availability factor that has improved it.

In conclusion, the device can adjust the visual range of the lens barrels and the distance between the lens barrels, keeps relatively stable after the adjustment is completed, improves the use efficiency, and is suitable for popularization and use.

Drawings

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

FIG. 2 is a sectional top view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of B in fig. 2 according to the present invention.

Reference numbers in the figures: the lens barrel comprises a first outer lens barrel 1, a first inner lens barrel 2, a second outer lens barrel 3, a second inner lens barrel 4, a connecting sleeve 5, a first rack plate 6, a first connecting plate 7, an adjusting fluted disc 8, a second rack plate 9, a second connecting plate 10, lenses 11, a limiting ring 12, a threaded ring 13, a limiting bar 14, an adjusting plate 15, a driving rod 16, a first driven rod 17, a positioning fluted disc 18, a second driven rod 19, an anti-falling block 20 and a return spring 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an optical lens barrel with a stable adjustment function includes a connection sleeve 5, a first lens barrel and a second lens barrel, the connection sleeve 5 is disposed in an arc shape, and two ends of the connection sleeve 5 are communicated with each other, two sides of the connection sleeve 5 are respectively provided with the first lens barrel and the second lens barrel, the first lens barrel includes a first outer lens barrel 1 and a first inner lens barrel 2, the second lens barrel includes a second outer lens barrel 3 and a second inner lens barrel 4, one end of the first inner lens barrel 2 is mounted inside the first outer lens barrel 1, one end of the second inner lens barrel 4 is mounted outside the second outer lens barrel 3, threaded rings 13 are rotatably mounted on the first outer lens barrel 1 and the second outer lens barrel 3, and the inner walls of the threaded rings 13 and the outer walls of the first inner lens barrel 2 and the second inner lens barrel 4 are respectively provided with mutually matched threads, one sides of the first lens barrel and the second lens barrel near the connection sleeve 5 are respectively connected with a first rack plate 6 and a second rack plate 9 through a first connection plate 7 and a second, the inside of the connecting sleeve 5 is provided with an adjusting device.

The end of the first inner lens cone 2 inside the first outer lens cone 1 and the end of the second inner lens cone 4 inside the second outer lens cone 3 are both provided with a limit ring 12 and a threaded ring 13 which are rotatably connected with the first outer lens cone 1 and the second outer lens cone 3 through a limit strip 14.

The adjusting device comprises an adjusting fluted disc 8, an adjusting plate 15, a driving rod 16, a first driven rod 17, a positioning fluted disc 18, a second driven rod 19, an anti-falling block 20 and a reset spring 21, wherein the driving rod 16 is installed on the front surface of the connecting sleeve 5, the driving rod 16 penetrates through the front surface of the connecting sleeve 5, the adjusting plate 15 is fixedly connected to one end of the driving rod 16, which is positioned outside the connecting sleeve 5, the adjusting fluted disc 8 is fixedly connected to one end of the driving rod 16, which is positioned inside the connecting sleeve 5, the first driven rod 17 is fixedly connected to one end of the adjusting fluted disc 8, which is far away from the driving rod 16, the positioning fluted disc 18 is rotatably connected to one end of the first driven rod 17, the second driven rod 19 is fixedly connected to one side of the positioning fluted disc 18, which is far away from the first driven rod 17, the second driven rod 19 penetrates through the back surface of the connecting sleeve 5 in a sliding manner, and one end of the return spring 21 is fixedly connected with the anti-drop block 20, and the other end of the return spring 21 is fixedly connected with the back of the connecting sleeve 5.

The working principle is as follows: when the device is used for adjusting the visible range of a lens barrel, only the threaded rings 13 on lens barrels on two sides of the connecting sleeve 5 need to be adjusted, the inner barrel slides in the outer barrel through the rotation of the threaded rings, so that the visible range of the lens barrel can be effectively adjusted, if the lens barrel spacing on two sides of the connecting sleeve 5 needs to be adjusted, the adjusting plate 15 is pressed firstly to push the driving rod 16, the adjusting fluted disc 8, the first driven rod 17, the positioning fluted disc 18, the second driven rod 19 and the anti-falling block 20 to form an integral structure, so that the reset spring 21 stretches, the adjusting fluted disc 8 is meshed with tooth blocks on the upper and lower rack plates, the positioning fluted disc 18 is separated from the positioning fluted disc, then the adjusting plate 15 is rotated to drive the driving rod 16, the adjusting fluted disc 8, the first driven rod 17, the positioning fluted disc 18, the second driven rod 19 and the anti-falling block 20 to rotate, and therefore the first rack plate 6 and the second toothed plate 9 drive the first connecting plate 7 and the second connecting plate 7 respectively 10, the first connecting plate 7 and the second connecting plate 10 respectively drive the first lens cone and the second lens cone to move left and right, so that the lens cone distances on two sides of the connecting sleeve 5 are adjusted, the adjusting plate 15 is loosened after the adjustment is completed, the return spring 21 pulls the anti-falling block 20, and the driving rod 16, the adjusting fluted disc 8, the first driven rod 17, the positioning fluted disc 18 and the second driven rod 19 are pushed by the return spring 20 to form a whole, so that the positioning fluted disc 18 is meshed with the tooth blocks on the upper and lower two rack plates, and the adjusting fluted disc 8 is separated from the adjusting fluted disc.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an optical lens cone with stabilize regulatory function, includes connecting sleeve (5), first lens cone and second lens cone, its characterized in that, the both sides of connecting sleeve (5) are provided with first lens cone and second lens cone respectively, just first lens cone includes first outer lens cone (1) and first inner lens cone (2), and the second lens cone includes second outer lens cone (3) and second inner lens cone (4), the inside in first outer lens cone (1) is installed to the one end of first inner lens cone (2), just the outside in second outer lens cone (3) is installed to the one end of second inner lens cone (4), all rotate on first outer lens cone (1) and second outer lens cone (3) and install screw ring (13), and the inner wall of screw ring (13) and the outer wall of first inner lens cone (2) and second inner lens cone (4) all are equipped with the screw thread that matches each other, first lens cone and second lens cone are close to one side of connecting sleeve (5) respectively through first connecting plate (7) And the second connecting plate (10) is connected with a first rack plate (6) and a second rack plate (9), and an adjusting device is arranged in the connecting sleeve (5).

2. The optical barrel according to claim 1, wherein the end of the first inner barrel (2) inside the first outer barrel (1) and the end of the second inner barrel (4) inside the second outer barrel (3) are both mounted with a stop collar (12).

3. The optical barrel according to claim 1, wherein the threaded ring (13) is rotatably connected to the first outer barrel (1) and the second outer barrel (3) by a stopper (14).

4. The optical lens barrel with a stable adjustment function according to claim 1, wherein the adjustment means includes an adjustment toothed disc (8), an adjustment plate (15), a driving lever (16), a first driven lever (17), a positioning toothed disc (18), a second driven lever (19), a disengagement prevention block (20), and a return spring (21).

5. The optical lens barrel with stable adjustment function according to claim 4, wherein a driving rod (16) is installed on the front surface of the connecting sleeve (5), the driving rod (16) penetrates through the front surface of the connecting sleeve (5), an adjustment plate (15) is fixedly connected to one end of the driving rod (16) located outside the connecting sleeve (5), an adjustment fluted disc (8) is fixedly connected to one end of the driving rod (16) located inside the connecting sleeve (5), a first driven rod (17) is fixedly connected to one end of the adjustment fluted disc (8) far away from the driving rod (16), a positioning fluted disc (18) is rotatably connected to one end of the first driven rod (17) far away from the adjustment fluted disc (8), a second driven rod (19) is fixedly connected to one side of the positioning fluted disc (18) far away from the first driven rod (17), and the second driven rod (19) penetrates through the back surface of the connecting sleeve (5) in a sliding manner, and is fixedly connected with an anti-drop block (20).

6. The optical tube with stable adjustment function according to claim 5, wherein the rod body of the second driven rod (19) is sleeved with a return spring (21), one end of the return spring (21) is fixedly connected with the anti-drop block (20), and the other end of the return spring (21) is fixedly connected with the back surface of the connecting sleeve (5).

7. The optical barrel according to claim 1, wherein the connection sleeve (5) is formed in an arc shape, and both ends of the connection sleeve are connected to each other.