CN218380667U

CN218380667U - Zoom cam barrel of sighting device

Info

Publication number: CN218380667U
Application number: CN202222243946.3U
Authority: CN
Inventors: 周新民; 江功军
Original assignee: Lianwei Technology Dongguan Co ltd
Current assignee: Lianwei Technology Dongguan Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-24
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a sight zoom cam cylinder, including a second cam cylinder, first lens collar is installed to the inboard of a second cam cylinder one end, the second lens collar is installed to the inboard of a second cam cylinder other end, the outside of a second cam cylinder is equipped with the spline groove, the support ear seat is installed to the one end of spline groove, a first cam cylinder is installed in the outside of the spline groove other end, the direction sand grip is installed in the outside of a first cam cylinder, the collar is installed to the one end of direction sand grip, one side of collar is equipped with spacing clamping ring, the regulation thumb wheel is installed to the inboard of collar, adjusting the inboard of thumb wheel and installing connecting threaded rod, anti-skidding ring is installed to the other end of direction sand grip, the spline sleeve is installed to a first cam cylinder and a second cam cylinder's inboard. The utility model discloses a to the regulation of leading of a cam section of thick bamboo, be convenient for realize the accurate operation of zooming, and the process stable in structure that zooms.

Description

Sighting device zoom cam barrel

Technical Field

The utility model relates to a sight technical field specifically is a sight zooming cam barrel.

Background

With the continuous progress of imaging technology, especially the continuous development of various imaging devices, the lens device of the imaging device needs to improve the precision continuously to meet the requirements of imaging quality, and further obtain the best image effect. The zoom function of these apparatuses usually achieves the purpose of changing the size of the captured image by means of mechanical movement or rotation between components in the lens device, and the cam barrel component in the lens achieves the purpose of changing the position of the lens to achieve zooming.

However, the existing cam barrel is adjusted by using the gear ring in the zooming process, the adjusting precision is limited by the number of teeth of the gear ring, and the structure is easy to shake during adjustment; therefore, the existing requirements are not met, and a sighting device zoom cam barrel is provided for the aiming device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sight becomes a multiple cam section of thick bamboo to the current cam section of thick bamboo that proposes in solving above-mentioned background art utilizes the ring gear to adjust zooming the in-process, and the regulation precision receives the number of teeth restriction of ring gear, and the structure easily appears rocking the scheduling problem when just adjusting.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sight zoom cam section of thick bamboo, includes a second cam section of thick bamboo, first lens collar is installed to the inboard of a second cam section of thick bamboo one end, a second lens collar is installed to the inboard of a second cam section of thick bamboo other end, the outside of a second cam section of thick bamboo is equipped with the spline groove, the support ear seat is installed to the one end of spline groove, a first cam section of thick bamboo is installed in the outside of the spline groove other end, the direction sand grip is installed in the outside of a first cam section of thick bamboo, the collar is installed to the one end of direction sand grip, one side of collar is equipped with spacing clamping ring, the regulation thumb wheel is installed to the inboard of collar, connecting threaded rod is installed to the inboard of regulation thumb wheel, anti-skidding ring gear is installed to the other end of direction sand grip, a spline sleeve is installed with the inboard of a second cam section of thick bamboo, third lens collar is installed to the one end of spline sleeve.

Preferably, the first cam cylinder and the spline sleeve are welded and fixed, and the spline sleeve and the second cam cylinder are connected through a spline groove.

Preferably, the mounting ring is fixedly connected with the first cam barrel through a screw, a sliding groove is formed in the upper end of the mounting ring, the adjusting thumb wheel is arranged on the inner side of the sliding groove, and the mounting ring is fixedly connected with the limiting compression ring through a screw.

Preferably, the one end of connecting threaded rod runs through support ear seat, spacing clamping ring, regulation thumb wheel, collar extension to the inboard of direction sand grip, connecting threaded rod passes through threaded connection with the regulation thumb wheel.

Preferably, the first cam cylinder is welded and fixed with the anti-slip ring gear, and the third lens mounting ring is connected with the first cam cylinder through threads.

Preferably, the first lens mounting ring and the second lens mounting ring are both in threaded connection with the second cam barrel, and optical lenses are arranged on the inner sides of the first lens mounting ring, the second lens mounting ring and the third lens mounting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the spline groove is arranged on the outer side of the second cam barrel, so that the spline sleeve is connected with the second cam barrel through the spline groove, the first cam barrel and the second cam barrel can be guided stably through the spline groove and the spline sleeve, and shaking is avoided;

2. the utility model discloses to adjust the thumb wheel and pass through threaded connection with the support ear seat, rotate in the inboard of collar through adjusting the thumb wheel, be convenient for drive support ear seat and slide in the inboard of direction sand grip, spacing clamping ring is convenient for carry on spacingly to spacing clamping ring, keeps spacing clamping ring pivoted stable, and connecting threaded rod drives second cam section of thick bamboo through supporting the ear seat and removes for first cam section of thick bamboo, and then is convenient for realize zooming the operation.

Drawings

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

FIG. 2 is a schematic sectional view of the whole structure of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the mounting ring of the present invention.

In the figure: 1. a first cam barrel; 2. an anti-slip toothed ring; 3. a guide convex strip; 4. a mounting ring; 5. a second cam barrel; 6. a first lens mounting ring; 7. a support ear mount; 8. a spline groove; 9. a spline sleeve; 10. a second lens mounting ring; 11. a third lens mounting ring; 12. connecting a threaded rod; 13. adjusting the dial wheel; 14. and limiting the pressure ring.

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 to fig. 3, the present invention provides an embodiment: the utility model provides a sight zoom cam barrel, including second cam barrel 5, first lens collar 6 is installed to the inboard of second cam barrel 5 one end, second lens collar 10 is installed to the inboard of the other end of second cam barrel 5, first lens collar 6 and second lens collar 10 all pass through threaded connection with second cam barrel 5, the outside of second cam barrel 5 is equipped with spline groove 8, support lug seat 7 is installed to spline groove 8's one end, first cam barrel 1 is installed to the outside of spline groove 8 other end, direction sand grip 3 is installed to the outside of first cam barrel 1, collar 4 is installed to the one end of direction sand grip 3, one side of collar 4 is equipped with spacing clamping ring 14, adjust thumb wheel 13 is installed to the inboard of collar 4, connecting threaded rod 12 is installed to the inboard of adjusting thumb wheel 13, antiskid ring 2 is installed to the other end of direction sand grip 3, spline sleeve 9 is installed to the inboard of first cam barrel 1 and second cam barrel 5, be convenient for keep the stable of first cam barrel 1 with second cam barrel 5 through spline groove 8 and spline sleeve 9, the stable operation of direction of lens barrel 9, the one end of avoiding the installation of a zoom lens to appear, and realize the accurate adjustment through the stable operation of the spline barrel 11.

The first cam cylinder 1 and the spline sleeve 9 are welded and fixed, the spline sleeve 9 is connected with the second cam cylinder 5 through the spline groove 8, and the spline groove 8 and the spline sleeve 9 are convenient for keeping the guiding stability of the first cam cylinder 1 and the second cam cylinder 5, so that the shaking is avoided.

Wherein, collar 4 passes through bolted connection with first cam barrel 1 fixedly, and the upper end of collar 4 is equipped with the spout, adjusts thumb wheel 13 and sets up the inboard at the spout, and collar 4 passes through bolted connection with spacing clamping ring 14 fixedly, and spacing clamping ring 14 is convenient for carry on spacingly to adjusting thumb wheel 13, keeps adjusting thumb wheel 13 pivoted stable.

Wherein, the one end of connecting threaded rod 12 runs through support ear seat 7, spacing clamping ring 14, adjusts thumb wheel 13, the inboard that the collar 4 extends to direction sand grip 3, and connecting threaded rod 12 passes through threaded connection with adjusting thumb wheel 13, rotates in the inboard of collar 4 through adjusting thumb wheel 13, is convenient for drive support ear seat 7 and slides in the inboard of direction sand grip 3.

When the zoom lens adjusting device is used, whether the functions of all parts are intact is checked, the first cam barrel 1 and the spline sleeve 9 are welded and fixed, the spline groove 8 is formed in the outer side of the second cam barrel 5, the spline sleeve 9 is connected with the second cam barrel 5 through the spline groove 8, the first cam barrel 1, the mounting ring 4 and the limiting press ring 14 are fixedly connected through screws, a sliding groove is formed in the upper end of the limiting press ring 14, the adjusting dial wheel 13 is arranged on the inner side of the sliding groove, one end of the connecting threaded rod 12 penetrates through the supporting lug seat 7, the limiting press ring 14, the adjusting dial wheel 13 and the mounting ring 4 extend to the inner side of the guide convex strip 3, the adjusting dial wheel 13 is connected with the supporting lug seat 7 through threads, optical lenses are arranged on the inner sides of the first lens mounting ring 6, the second lens mounting ring 10 and the third lens mounting ring 11, the adjusting dial wheel 13 rotates on the inner side of the mounting ring 4, the spline supporting lug seat 7 is conveniently driven to slide on the inner side of the guide convex strip 3, the limiting press ring 14 is convenient for driving the adjusting dial wheel 13 to slide on the inner side of the second cam barrel 5 through the stabilizing cam barrel 12, and further, and the second cam barrel 5 is convenient for preventing the adjusting dial wheel from shaking through the stabilizing cam barrel 5 and the connecting cam barrel 5 from moving through the stabilizing cam barrel 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sight magnification-varying cam barrel comprising a second cam barrel (5), characterized in that: first lens collar (6) are installed to the inboard of second cam barrel (5) one end, second lens collar (10) are installed to the inboard of second cam barrel (5) other end, the outside of second cam barrel (5) is equipped with spline groove (8), support ear seat (7) are installed to the one end of spline groove (8), first cam barrel (1) is installed in the outside of spline groove (8) other end, direction sand grip (3) are installed in the outside of first cam barrel (1), collar (4) are installed to the one end of direction sand grip (3), one side of collar (4) is equipped with spacing clamping ring (14), adjust thumb wheel (13) is installed to the inboard of collar (4), adjusting thumb wheel (13)'s inboard is installed and is connected threaded rod (12), anti-skidding ring (2) are installed to the other end of direction sand grip (3), sleeve (9) are installed to the inboard of first cam barrel (1) and second cam barrel (5), third lens collar (11) are installed to the one end of sleeve (9).

2. The sight magnification-varying cam barrel according to claim 1, wherein: the first cam cylinder (1) and the spline sleeve (9) are welded and fixed, and the spline sleeve (9) is connected with the second cam cylinder (5) through a spline groove (8).

3. The sight magnification-varying cam barrel according to claim 1, wherein: the mounting ring (4) is fixedly connected with the first cam barrel (1) through screws, a sliding groove is formed in the upper end of the mounting ring (4), the adjusting shifting wheel (13) is arranged on the inner side of the sliding groove, and the mounting ring (4) is fixedly connected with the limiting compression ring (14) through screws.

4. The sight magnification-varying cam barrel according to claim 1, wherein: one end of the connecting threaded rod (12) penetrates through the supporting lug seat (7), the limiting compression ring (14), the adjusting shifting wheel (13) and the mounting ring (4) and extends to the inner side of the guide raised line (3), and the connecting threaded rod (12) is connected with the adjusting shifting wheel (13) through threads.

5. The sight magnification-varying cam barrel according to claim 1, wherein: the first cam cylinder (1) is welded and fixed with the anti-skidding toothed ring (2), and the third lens mounting ring (11) is in threaded connection with the first cam cylinder (1).

6. The sight magnification-varying cam barrel according to claim 1, wherein: the first lens mounting ring (6) and the second lens mounting ring (10) are in threaded connection with the second cam cylinder (5), and optical lenses are arranged on the inner sides of the first lens mounting ring (6), the second lens mounting ring (10) and the third lens mounting ring (11).