CN212723632U

CN212723632U - Multi-lens structure of projector

Info

Publication number: CN212723632U
Application number: CN202022067040.1U
Authority: CN
Inventors: 余锦旺; 王正卫
Original assignee: Shenzhen Zhonghequn Technology Co ltd
Current assignee: Shenzhen Zhonghequn Technology Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-03-16
Anticipated expiration: 2030-09-19

Abstract

The utility model discloses a multi-lens structure of a projector, which comprises a base and a projector body, the base is fixed with a mounting plate through a first electric push rod, the projector body is fixed on the mounting plate, the mounting box is connected with the shell of the projector body in a sliding way, one end of the mounting box is fixed with a fixing plate through a second electric push rod, the fixed plate with the shell of projector body is inside fixed, one side of mounting box is provided with three camera lens, the utility model discloses mainly be provided with the camera lens at three different visual angles in one side of projector body shell, three camera lens are used for surveying different distances respectively, and near giving wide vision camera lens, the main vision camera lens is given to of well distance, and the camera lens of narrow vision is given to farther distance, and different camera lenses are responsible for different distances and angle, mutual noninterference improves the definition that the projector put the curtain picture to a certain extent.

Description

Multi-lens structure of projector

Technical Field

The utility model relates to a projector lens technical field specifically is a many meshes of projector camera lens structure.

Background

The projector is a device capable of projecting images or videos onto a screen, and can be connected with a computer, a VCD, a DVD, a BD, a game machine and the like through different interfaces to play corresponding video signals, most of the existing projectors are monocular lenses, but the view angle of the monocular lens is wide, the detected distance is short, the definition of the screen projected by the projector is influenced, the projector mostly performs focusing through manually rotating a focusing knob during focusing, the accuracy of manual focusing is low, the screen can be clearly displayed only through performing multiple times of focusing sometimes during focusing, and inconvenience is brought to users, so that a multi-view lens structure of the projector needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many meshes of projector camera lens structure, theory of operation through many meshes of camera lens structure, can solve because of current projector majority is the monocular, the visual angle of monocular is wide, the distance that can survey is shorter, influence the problem and the projector of projector's projection to curtain picture definition and focus through manual rotation focusing knob when focusing the majority, the manual precision of focusing is lower, can focus many times when focusing and just make the picture show clearly, bring inconvenient problem for the user.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a many meshes of projector camera lens structure, includes base and projector body, the base is fixed with the mounting panel through first electric putter, the projector body is fixed on the mounting panel, one side of projector body is provided with the mounting box, the mounting box with projector body shell sliding connection, the one end of mounting box is fixed with the fixed plate through second electric putter, the fixed plate with the shell of projector body is inside fixed, one side of mounting box is provided with three camera lens, and is three the camera lens respectively through the fixed block with mounting box sliding connection, the one end threaded connection of fixed block has the screw rod, the one end of screw rod pass through the motor with the inside of mounting box is fixed.

Preferably, the first electric push rod is fixedly embedded in the upper end of the base through a bolt, and one end of the piston rod of the first electric push rod is fixed with the mounting plate.

Preferably, one side of the projector body shell is provided with a first through hole for the mounting box to slide, and the first through hole is arranged in a rectangular shape.

Preferably, the mounting box comprises a mounting box body and a mounting box cover, and the mounting box cover is mounted to the upper end of the mounting box body through bolts.

Preferably, the second electric push rod is fixed to one side of the fixing plate through a bolt, and one end of the piston rod of the second electric push rod is fixed to one side of the mounting box.

Preferably, the other side of the mounting box body is provided with three second through holes for the three fixing blocks to slide, and the three second through holes are arranged at equal intervals.

Preferably, the three lenses are horizontally arranged, one of the lenses is a narrow visual lens, the middle of the lens is a main visual angle lens, and the other lens is a wide visual angle lens.

Preferably, the side wall of the fixed block is symmetrically provided with two convex blocks, and the side wall of the second through hole is provided with sliding chutes for the two convex blocks to slide.

Preferably, the motor is embedded and fixed on one side of the mounting box body, and an output shaft of the motor is fixed with one end of the screw rod through a bearing.

Preferably, one end of the fixing block is provided with a threaded blind hole for the other end of the screw to be screwed, and the length of the screw is 3-5cm greater than the depth of the threaded blind hole.

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

1. the utility model mainly comprises three lenses with different visual angles arranged on one side of the projector body shell, wherein the three lenses are respectively used for detecting different distances, the near distance is given to the wide visual lens, the middle distance is given to the main visual lens, the farther distance is given to the narrow visual lens, and the different lenses are responsible for different distances and angles without mutual interference, thereby improving the definition of the screen picture projected by the projector to a certain extent;

2. the utility model discloses set up three camera lens and pass through fixed block and mounting box sliding connection respectively, drive screw respectively through three motor and rotate and drive fixed block shift position, the fixed block drives the camera lens and shifts, can carry out focus regulation one by one to single camera lens, one side sliding connection of mounting box through second electric putter and projector body shell can carry out focus regulation simultaneously to three camera lens, does not need manual adjust knob to focus, and it is convenient to bring for the user to a certain extent.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of the internal structure of the mounting box of the present invention;

fig. 4 is a side view of the mounting box of the present invention.

In the figure: 1. a base; 2. a first electric push rod; 3. mounting a plate; 4. a projector body; 5. mounting a box; 6. a fixed block; 7. a lens; 8. a first through hole; 9. a second electric push rod; 10. a fixing plate; 11. a motor; 12. a bump; 13. a threaded blind hole; 14. a chute; 15. a second through hole; 16. a screw; 17. installing a box body; 18. and (5) installing a box cover.

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.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-lens structure of a projector comprises a base 1 and a projector body 4, wherein the base 1 is fixed with a mounting plate 3 through a first electric push rod 2, the projector body 4 is fixed on the mounting plate 3, the first electric push rod 2 is embedded and fixed at the upper end of the base 1 through a bolt, one end of a piston rod of the first electric push rod 2 is fixed with the mounting plate 3, and the first electric push rod 2 can drive the mounting plate 3 to ascend or descend so as to flexibly adjust the placing height of the projector body 4 according to the mounting height of an actual curtain;

a mounting box 5 is arranged on one side of the projector body 4, the mounting box 5 is connected with the shell of the projector body 4 in a sliding manner, a first through hole 8 for the mounting box 5 to slide is formed in one side of the shell of the projector body 4, and the first through hole 8 is arranged in a rectangular manner, so that the mounting box 5 can move in the shell of the projector body 4, and the distance between the lens 7 and the curtain can be conveniently adjusted;

the mounting box 5 comprises a mounting box body 17 and a mounting box cover 18, the mounting box cover 18 is mounted at the upper end of the mounting box body 17 through bolts, and the mounting box cover 18 is detachably arranged, so that components in the mounting box 5 can be conveniently mounted and electronic parts can be conveniently maintained;

one end of the mounting box 5 is fixed with a fixing plate 10 through a second electric push rod 9, the fixing plate 10 is fixed with the inside of the shell of the projector body 4, the second electric push rod 9 is fixed with one side of the fixing plate 10 through a bolt, one end of a piston rod of the second electric push rod 9 is fixed with one side of the mounting box body 17, the mounting box 5 can be driven to move through the second electric push rod 9, a focusing knob does not need to be manually adjusted to adjust the focal length of the lens 7, and the accuracy of focal length adjustment is improved to a certain extent;

three lenses 7 are arranged on one side of the mounting box 5, the three lenses 7 are horizontally arranged, one lens 7 is set to be a narrow visual lens, the detection distance of the narrow visual lens is 0m-250m, the middle lens 7 is set to be a main visual angle lens, the detection distance of the main visual angle lens is 0m-150m, the other lens 7 is set to be a wide visual angle lens, the detection distance of the wide visual angle lens is 0m-60m, the near part is handed to the wide visual lens, the middle part is handed to the main visual lens, the farther part is handed to the narrow visual lens, and the different lenses are responsible for different distances and angles and do not interfere with each other, so that the definition of a screen projected by a projector is improved to a certain extent;

the three lenses 7 are respectively connected with the mounting box 5 in a sliding manner through the fixing blocks 6, second through holes 15 for the three fixing blocks 6 to slide are formed in the other side of the mounting box 17, the three second through holes 15 are arranged at equal intervals, two lugs 12 are symmetrically arranged on the side wall of each fixing block 6, sliding chutes 14 for the two lugs 12 to slide are formed in the side wall of each second through hole 15, the lugs 12 are used for limiting, the fixing blocks 6 are prevented from being driven to rotate while the screws 16 are prevented from rotating, and the three fixing blocks 6 can move at single positions through the second through holes 15, so that the focal length of different lenses 7 can be adjusted individually;

one end threaded connection of fixed block 6 has screw rod 16, the one end of screw rod 16 is fixed with the inside of mounting box 5 through motor 11, motor 11 inlays the dress and fixes in one side of mounting box 17, the output shaft of motor 11 passes through the bearing and fixes with the one end of screw rod 16, the screw thread blind hole 13 that supplies the other end spiro union of screw rod 16 is seted up to the one end of fixed block 6, the length of screw rod 16 is greater than the 3-5cm of the screw thread blind hole 13 degree of depth, be convenient for motor 11 to drive screw rod 16 and rotate, screw rod 16 drives the camera lens 7 removal of fixed block 6, be convenient for singly adjust the focus.

The working principle is as follows: the base 1 is fixed on one side of a curtain, the mounting plate 3 is driven to move through the first electric push rod 2, the mounting plate 3 drives the projector body 4 to move, the height of the projector body 4 is adjusted, three lenses 7 with different visual angles are arranged on one side of the shell of the projector body 4, the three lenses 7 are respectively used for detecting different distances, the near distance is given to a wide visual lens, the middle distance is given to a main visual lens, the farther distance is given to a narrow visual lens, and the different lenses 7 are in charge of different distances and angles and do not interfere with each other, so that the definition of pictures projected to the curtain by the projector is improved to a certain extent;

during focal length adjustment, if three camera lens 7 need be adjusted simultaneously, second electric putter 9 drives the one end of mounting box 5 and slides in first through-hole 8, mounting box 5 drives three camera lens 7 and removes simultaneously, be convenient for adjust the distance between three camera lens 7 and the curtain simultaneously, if three camera lens 7 only need adjust one of them or when two, motor 11 with corresponding adjusting lens 7 connection drives screw rod 16 and rotates, the one end of screw rod 16 removes in the inside of screw thread blind hole 13, make screw rod 16 drive fixed block 6 and remove, fixed block 6 drives camera lens 7 and removes, be convenient for adjust the focus of single camera lens 7, do not need manual adjust knob to focus, it is convenient to bring the user to a certain extent.

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 many meshes of projector lens structure, includes base (1) and projector body (4), its characterized in that: the base (1) is fixed with a mounting plate (3) through a first electric push rod (2), the projector body (4) is fixed on the mounting plate (3), a mounting box (5) is arranged on one side of the projector body (4), the mounting box (5) is connected with the shell of the projector body (4) in a sliding way, one end of the mounting box (5) is fixed with a fixing plate (10) through a second electric push rod (9), the fixed plate (10) is fixed with the inner part of the shell of the projector body (4), three lenses (7) are arranged on one side of the mounting box (5), the three lenses (7) are respectively connected with the mounting box (5) in a sliding way through fixing blocks (6), one end of the fixing block (6) is in threaded connection with a screw rod (16), and one end of the screw rod (16) is fixed to the inside of the mounting box (5) through a motor (11).

2. A multi-lens structure of a projector according to claim 1, wherein: the first electric push rod (2) is fixedly embedded in the upper end of the base (1) through a bolt, and one end of a piston rod of the first electric push rod (2) is fixed with the mounting plate (3).

3. A multi-lens structure of a projector according to claim 1, wherein: one side of the shell of the projector body (4) is provided with a first through hole (8) for the mounting box (5) to slide, and the first through hole (8) is arranged in a rectangular shape.

4. A multi-lens structure of a projector according to claim 1, wherein: the mounting box (5) comprises a mounting box body (17) and a mounting box cover (18), wherein the mounting box cover (18) is mounted to the upper end of the mounting box body (17) through bolts.

5. The multi-view lens structure of a projector according to claim 4, wherein: the second electric push rod (9) is fixed with one side of the fixing plate (10) through a bolt, and one end of a piston rod of the second electric push rod (9) is fixed with one side of the mounting box body (17).

6. The multi-view lens structure of a projector according to claim 5, wherein: the other side of the mounting box body (17) is provided with three second through holes (15) for the sliding of the fixing blocks (6), and the three second through holes (15) are arranged at equal intervals.

7. The multi-view lens structure of a projector according to claim 6, wherein: the three lenses (7) are horizontally arranged, one lens (7) is set to be a narrow vision lens, the middle lens (7) is set to be a main visual angle lens, and the other lens (7) is set to be a wide visual angle lens.

8. A multi-lens structure of a projector as claimed in claim 7, wherein: the lateral wall of fixed block (6) is provided with two lugs (12) symmetrically, the lateral wall of second through-hole (15) is seted up and is supplied two gliding spout (14) of lug (12).

9. A multi-lens structure of a projector according to claim 8, wherein: the motor (11) is fixedly embedded on one side of the mounting box body (17), and an output shaft of the motor (11) is fixed with one end of the screw rod (16) through a bearing.

10. A multi-lens structure of a projector as claimed in claim 9, wherein: one end of the fixing block (6) is provided with a threaded blind hole (13) for the other end of the screw rod (16) to be screwed, and the length of the screw rod (16) is larger than 3-5cm of the depth of the threaded blind hole (13).