CN210666304U

CN210666304U - Projector lens of telescopic installation

Info

Publication number: CN210666304U
Application number: CN201921961915.3U
Authority: CN
Inventors: 杨华; 韩庆国; 赵培伟
Original assignee: Shandong Xinhui Photoelectric Technology Co Ltd
Current assignee: Shandong Xinhui Photoelectric Technology Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-06-02
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a telescopically-installed projector lens, which comprises a lens body and a sleeve, wherein one end of the lens body is provided with a focus adjusting knob, the lens body is embedded and slidably connected in the sleeve, one end of the sleeve is in a sealed shape, an ejection spring is arranged in the sleeve, two ends of the ejection spring are respectively fixedly connected with one end of the sleeve and the lens body, the side wall of the lens body is provided with two limiting grooves, the sleeve is provided with a limiting mechanism matched with the limiting grooves, the limiting mechanism comprises a mounting rack, a limiting block, a limiting spring, a driving rod and a driving device, the mounting rack is fixed on one side wall of the sleeve, the inside of the mounting rack is slidably connected with the limiting block, and the telescopically-installed projector lens completely accommodates the lens body in a projector shell when a projector is not used, avoid when not using the projector, the lens body projects the projector shell outside and causes to collide with, and the security is high.

Description

Projector lens of telescopic installation

Technical Field

The utility model relates to a projector technical field specifically is a projector lens of telescopic installation.

Background

Some focus adjust knob of current projector lens install at the foremost projector lens protrusion of camera lens, lead to the projector shell outside, when not using the projector, the projector lens receives the damage of colliding with easily, and the security is not high. To this end, we propose a telescopically mounted projector lens.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projector lens of telescopic installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projector lens of telescopic installation, includes camera lens body and sleeve, focus adjust knob is installed to the one end of camera lens body, camera lens body embedding sliding connection is in the sleeve, telescopic one end is the form of sealing, be equipped with in the sleeve and launch the spring, launch the both ends of spring respectively with telescopic one end and camera lens body fixed connection, two spacing grooves have been seted up to camera lens body lateral wall, install on the sleeve be used for with spacing groove matched with stop gear.

Preferably, stop gear includes mounting bracket, stopper, spacing spring, actuating lever and drive arrangement, telescopic a lateral wall is fixed with the mounting bracket, the inside sliding connection of mounting bracket has the stopper, install spacing spring in the mounting bracket, spacing spring's both ends respectively with stopper and mounting bracket fixed connection, the one end setting that spacing spring was kept away from to the stopper is in a spacing inslot, the top of stopper is fixed with the actuating lever, install the drive arrangement who is used for driving the actuating lever on the sleeve.

Preferably, drive arrangement includes otic placode and slide bar, telescopic a lateral wall is fixed with the otic placode, be equipped with the quad slit in the otic placode, and sliding connection has the slide bar in the quad slit, the bottom of slide bar and the top of actuating lever all are right angled triangle, just the bottom of slide bar and the top of actuating lever mutually support.

Preferably, the four corners of the bottom of the sleeve are fixed with mounting plates, and mounting holes are formed in the mounting plates.

Preferably, a limiting column is fixed at the center of the inner wall of one end of the sleeve, and the limiting column is arranged right opposite to the lens body.

Compared with the prior art, the beneficial effects of the utility model are that: through pressing the slide bar downwards, because the bottom of slide bar and the top of actuating lever all are right triangle, just the bottom of slide bar and the top of actuating lever are mutually supported, so the actuating lever can drive the stopper and shift out from the spacing inslot, lens body and sleeve can the relative slip under the exogenic action this moment, spacing spring pressurized, press the camera lens body afterwards, make and press in the camera lens body removes the sleeve completely, launch the spring pressurized energy storage, spacing post and the contact of camera lens body one end this moment, loosen the hand of pressing the slide bar, the stopper removes another spacing inslot under spacing spring's effort, can be when not using the projector this moment, take in the inside projector shell with the camera lens body completely, avoid when not using the projector, the outside of projector shell that the camera lens body bulges causes and collides with, and is high in safety.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the sleeve according to the present invention;

FIG. 3 is a schematic structural view of the limiting mechanism of the present invention;

fig. 4 is a schematic structural diagram of the driving device of the present invention.

In the figure: 1. a lens body; 2. a focus adjustment knob; 3. a sleeve; 4. an ejection spring; 5. a limiting groove; 6. a limiting mechanism; 7. a mounting frame; 8. a limiting block; 9. a limiting spring; 10. a drive rod; 11. a drive device; 12. an ear plate; 13. a slide bar; 14. mounting a plate; 15. mounting holes; 16. a limiting column.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a projector lens of telescopic installation, includes camera lens body 1 and sleeve 3, focus adjust knob 2 is installed to camera lens body 1's one end, 1 embedding sliding connection of camera lens body is in sleeve 3, the one end of sleeve 3 is the form of sealing, be equipped with in the sleeve 3 and launch spring 4, launch spring 4's both ends respectively with sleeve 3's one end and 1 fixed connection of camera lens body, two spacing grooves 5 have been seted up to camera lens body 1 lateral wall, install on the sleeve 3 be used for with spacing groove 5 matched with stop gear 6.

Please refer to fig. 3, the limiting mechanism 6 includes an installation frame 7, a limiting block 8, a limiting spring 9, a driving rod 10 and a driving device 11, an installation frame 7 is fixed on a side wall of the sleeve 3, the limiting block 8 is slidably connected inside the installation frame 7, the limiting spring 9 is installed inside the installation frame 7, two ends of the limiting spring 9 are respectively fixedly connected with the limiting block 8 and the installation frame 7, one end of the limiting block 8, which is far away from the limiting spring 9, is arranged in one limiting groove 5, the driving rod 10 is fixed at the top of the limiting block 8, and the driving device 11 for driving the driving rod 10 is installed on the sleeve 3.

Referring to fig. 4, the driving device 11 includes an ear plate 12 and a sliding rod 13, the ear plate 12 is fixed on one side wall of the sleeve 3, a square hole is formed in the ear plate 12, the sliding rod 13 is slidably connected in the square hole, the bottom end of the sliding rod 13 and the top end of the driving rod 10 are both in a right triangle shape, and the bottom end of the sliding rod 13 and the top end of the driving rod 10 are matched with each other.

The bottom four corners of sleeve 3 all is fixed with mounting panel 14, all be equipped with mounting hole 15 in the mounting panel 14, be convenient for install this telescopic projector lens of installation in the projector shell.

A limiting column 16 is fixed at the center of the inner wall of one end of the sleeve 3, the limiting column 16 is arranged right opposite to the lens body 1, and the lens body 1 is limited.

The working principle is as follows: firstly, the telescopically mounted projector lens is mounted in a projector shell, a through hole for avoiding a focal length adjusting knob 2 and a sliding rod 13 is arranged on the projector shell, so that the focal length adjusting knob 2 is exposed outside the projector shell, and then the telescopically mounted projector lens is fixed in the projector shell by passing a screw through a mounting hole 15;

by pressing the slide rod 13 downwards, because the bottom end of the slide rod 13 and the top end of the driving rod 10 are both in right-angled triangle shapes, and the bottom end of the slide rod 13 and the top end of the driving rod 10 are matched with each other, the driving rod 10 can drive the limiting block 8 to move out of the limiting groove 5, at the moment, the lens body 1 and the sleeve 3 can relatively slide under the action of external force, the limiting spring 9 is pressed, then the lens body 1 is pressed, the pressing lens body 1 is completely moved into the sleeve 3, the ejection spring 4 is pressed to store energy, the limiting column 16 is contacted with one end of the lens body 1, the hand pressing the slide rod 13 is loosened, the limiting block 8 moves into another limiting groove 5 under the action force of the limiting spring 9, at the moment, when the projector is not used, the lens body 1 can be completely accommodated in the projector shell, and collision caused by the lens body 1 protruding, the safety is high;

when the lens body 1 is moved out of the projector shell, only the sliding rod 13 needs to be pressed, the focal length adjusting knob 2 can move to the outside of the projector shell under the action of the ejection spring 4, the sliding rod 13 is loosened, and the limiting block 8 moves into the limiting groove 5 under the action force of the limiting spring 9, so that the lens body 1 is locked relative to the projector shell.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a projector lens of telescopic installation, includes camera lens body (1) and sleeve (3), its characterized in that: focus adjust knob (2) are installed to the one end of camera lens body (1), camera lens body (1) embedding sliding connection is in sleeve (3), the one end of sleeve (3) is the seal form, be equipped with in sleeve (3) and launch spring (4), the both ends of launching spring (4) respectively with the one end and camera lens body (1) fixed connection of sleeve (3), two spacing grooves (5) have been seted up to camera lens body (1) lateral wall, install on sleeve (3) and be used for with spacing groove (5) matched with stop gear (6).

2. A telescopically mounted projector lens according to claim 1, wherein: stop gear (6) are including mounting bracket (7), stopper (8), spacing spring (9), actuating lever (10) and drive arrangement (11), a lateral wall of sleeve (3) is fixed with mounting bracket (7), the inside sliding connection of mounting bracket (7) has stopper (8), install spacing spring (9) in mounting bracket (7), the both ends of spacing spring (9) respectively with stopper (8) and mounting bracket (7) fixed connection, the one end setting that spacing spring (9) were kept away from in stopper (8) is in one spacing groove (5), the top of stopper (8) is fixed with actuating lever (10), install drive arrangement (11) that are used for driving actuating lever (10) on sleeve (3).

3. A telescopically mounted projector lens according to claim 2, wherein: drive arrangement (11) are including otic placode (12) and slide bar (13), a lateral wall of sleeve (3) is fixed with otic placode (12), be equipped with the quad slit in otic placode (12), and sliding connection has slide bar (13) in the quad slit, the bottom of slide bar (13) and the top of actuating lever (10) all are right angled triangle, just the bottom of slide bar (13) and the top of actuating lever (10) mutually support.

4. A telescopically mounted projector lens according to claim 1, wherein: the bottom four corners of sleeve (3) all are fixed with mounting panel (14), all be equipped with mounting hole (15) in mounting panel (14).

5. A telescopically mounted projector lens according to claim 1, wherein: a limiting column (16) is fixed at the center of the inner wall of one end of the sleeve (3), and the limiting column (16) is arranged right opposite to the lens body (1).