CN211478845U

CN211478845U - Laser projection device

Info

Publication number: CN211478845U
Application number: CN202020309201.0U
Authority: CN
Inventors: 郭鹏飞; 张卿; 杨兰
Original assignee: Henan Hongye Yuantu Information Technology Co ltd
Current assignee: Henan Hongye Yuantu Information Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-11
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to the technical field of projection, and discloses a laser projection device, which comprises a projection device, wherein the top surface of the projection device is provided with a circular groove, the inner wall of the circular groove is fixedly provided with a rotating bearing A, the inner wall of the rotating bearing A is fixedly connected with a fixed column, the top surface of the fixed column is fixedly connected with a turntable, the outer edge of the top surface of the turntable is fixedly connected with a connecting rod, the top surface of the connecting rod is fixedly connected with a limiting plate, the top surface of the connecting rod is movably connected with a fixed plate A, the bottom surface of the fixed plate A is provided with a circular groove A, the outer wall of the turntable is provided with a circular groove B, the inner wall of the circular groove B is sleeved with a pulling rope, the height setting of the projection device can be changed through simple pulling through the setting of the fixed plate A, the display, allowing a greater range of adjustability for changes in the height of the projection device.

Description

Laser projection device

Technical Field

The utility model relates to a projection technology field specifically is laser projection device.

Background

The laser projector uses laser beams to transmit pictures, the laser beams are expanded by corresponding optical elements and processing chips in a machine and then transmitted to an X prism to integrate the three beams of laser, and then the integrated laser is transmitted to a projection curtain by a projection objective, so that the display process of the whole laser projector is completed.

When the existing laser projection device is used, display errors are often caused due to height setting problems, and the existing laser projection device has the problem of inconvenience in height adjustment. Therefore, a laser projection apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a laser projection device solves above-mentioned problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: laser projection arrangement, including projection equipment, projection equipment is current well-known technology, does not do here and gives unnecessary details, and the circular slot has been seted up to projection equipment's top surface, the inner wall fixed mounting of circular slot has rolling bearing A, rolling bearing A's inner wall fixedly connected with fixed column, the top surface fixedly connected with carousel of fixed column, fixedly connected with connecting rod is followed outward to the top surface of carousel, the top surface fixedly connected with limiting plate of connecting rod, the top surface swing joint of connecting rod has fixed plate A, annular A has been seted up to fixed plate A's bottom surface, annular A's cross sectional shape is the T style of calligraphy body, the outer wall of carousel begins annular B, annular B's inner wall has cup jointed and has pulled the rope, it is the ring body to pull the rope.

Twelve hemispherical bulges are laid on the inner wall of the top surface of the annular groove A, and the hemispherical bulges and the connecting rods are made of strong magnets and attract each other.

The right side wall surface of the projection equipment is fixedly connected with two connecting rods A, and the two connecting rods A are fixedly connected with sleeves.

Projection equipment's left side top surface fixedly connected with connecting rod B, connecting rod B's right flank fixedly connected with laminating piece, rectangular channel A has been seted up to laminating piece's right flank, the carousel is located rectangular channel A, rectangular channel B has been seted up to rectangular channel A's left side inner wall, rectangular channel B's bottom surface inner wall is equipped with the cylinder arch, the bellied outer wall fixed mounting of cylinder has rolling bearing B, rolling bearing B's the outer wall fixedly connected with lantern ring.

Preferably, the outer walls of the left side and the right side of the fixing plate A are fixedly connected with a fixing plate B, and the top surface of the fixing plate B is provided with a fixing hole.

Preferably, twelve of the hemispherical protrusions are all of different sizes.

Preferably, the sleeves are hollow semicircular rings, and the pulling ropes are positioned in the two sleeves.

Preferably, the lantern ring is attached to the pulling rope in the ring groove B.

(III) advantageous effects

Compared with the prior art, the utility model provides a laser projection device possesses following beneficial effect:

1. this laser projection device, through fixed plate A's setting, can change projection equipment's high setting through simple pulling, avoid projection equipment to appear the altitude problem and lead to showing to make mistakes, and through the bellied setting of twelve unidimensional hemisphere, make projection equipment's altitude mixture control have the adjustability on a large scale.

2. This laser projection device, through telescopic setting, carry on spacingly to the pulling rope, avoid the pulling rope to rock to the person of facilitating the use can take fast and hold, and wrap up the pulling rope, thereby protect the pulling rope, prevent to draw too big pulling rope fracture that leads to of power.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of the bonding block of the present invention;

fig. 4 is a schematic side view of the sleeve of the present invention;

fig. 5 is a schematic view of the bottom structure of the fixing plate a of the present invention.

In the figure: the projection device comprises a projection device 1, a circular groove 2, a rotating bearing A3, a fixed column 4, a rotating disc 5, a connecting rod 6, a limiting plate 7, a fixed plate A8, a ring groove A9, a fixed plate B10, a fixed hole 11, a ring groove B12, a pulling rope 13, a connecting rod A14, a sleeve 15, a connecting rod B16, a sticking block 17, a rectangular groove A18, a rectangular groove B19, a cylindrical protrusion 20, a rotating bearing B21, a lantern ring 22 and a hemispherical protrusion 23.

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. 1-5, the present invention provides a laser projection apparatus, including a projection device 1, where the projection device 1 is a known projection device 1, and details are not repeated herein, a circular groove 2 is formed on a top surface of the projection device 1, a rotating bearing A3 is fixedly installed on an inner wall of the circular groove 2, a fixed column 4 is fixedly connected to an inner wall of the rotating bearing A3, a rotating disc 5 is fixedly connected to a top surface of the fixed column 4, a connecting rod 6 is fixedly connected to an outer edge of the top surface of the rotating disc 5, a limiting plate 7 is fixedly connected to a top surface of the connecting rod 6, a fixed plate a8 is movably connected to a top surface of the connecting rod 6, a circular groove a9 is formed on a bottom surface of the fixed plate a8, a cross-sectional shape of the circular groove a9 is a T-shaped body, a circular groove B12 starts to be formed on an outer wall of the rotating disc 5, the equal fixedly connected with fixed plate B10 of fixed plate A8's the left and right sides outer wall, fixed orifices 11 have been seted up to fixed plate B10's top surface, pass fixed orifices 11 back through the bolt and fix fixed plate B10, pull rope 13 through the pulling and make its rotate, drive carousel 5 through the frictional force that pulls rope 13 and annular B12 inner wall production and rotate to drive connecting rod 6 and slide in annular A9.

Twelve hemisphere arch 23 have been laid to annular A9's top surface inner wall, hemisphere arch 23 and connecting rod 6's material is strong magnet and inter attraction, twelve hemisphere arch 23's size is all inequality, when connecting rod 6 is at annular A9 internal rotation, can make limiting plate 7 and the protruding 23 laminating of hemisphere of difference, thereby the hemisphere arch 23 through not unidimensional changes projection equipment 1's height, setting through fixed plate A8, can change projection equipment 1's high setting through simple pulling, avoid projection equipment 1 to appear the altitude problem and lead to the demonstration to make mistakes, and the setting through twelve not unidimensional hemisphere arch 23, make projection equipment 1's high change have the adjustability on a large scale.

Two connecting rod A14 of projection equipment 1's right side wall fixedly connected with, two the equal fixedly connected with sleeve 15 of connecting rod A14, sleeve 15 is the hollow semicircle ring body, pull rope 13 is located two sleeves 15, through the setting of sleeve 15, carries on spacingly to pulling rope 13, avoids pulling rope 13 to rock to the person of facilitating the use can take fast, and wraps up pulling rope 13, thereby protects pulling rope 13, prevents to pull the too big fracture that leads to pulling rope 13 of power.

Projection apparatus 1's left side top surface fixedly connected with connecting rod B16, connecting rod B16's right flank fixedly connected with laminating piece 17, rectangular channel A18 has been seted up to laminating piece 17's right flank, carousel 5 is located rectangular channel A18, rectangular channel B19 has been seted up to rectangular channel A18's left side inner wall, rectangular channel B19's bottom surface inner wall is equipped with cylinder arch 20, the outer wall fixed mounting of cylinder arch 20 has rolling bearing B21, rolling bearing B21's outer wall fixedly connected with lantern ring 22, lantern ring 22 and the laminating of pulling rope 13 that is located annular B12, through the setting of laminating piece 17, receive the pulling and when rotating at pulling rope 13, guarantee that pulling rope 13 does not follow and drop in annular B12.

When using, pass fixed orifices 11 back through the bolt and fix fixed plate B10, make its rotation through pulling rope 13, the frictional force that produces through pulling rope 13 and annular B12 inner wall drives carousel 5 and rotates, thereby it slides in annular A9 to drive connecting rod 6, when connecting rod 6 when annular A9 internal rotation, can make limiting plate 7 and the protruding 23 laminating of different hemispheres, thereby the height that changes projection equipment 1 through the protruding 23 of different sizes' hemisphere.

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. Laser projection device, including projection equipment (1), its characterized in that: the projection device comprises a projection device (1), a circular groove (2) is formed in the top surface of the projection device (1), a rotating bearing A (3) is fixedly mounted on the inner wall of the circular groove (2), a fixed column (4) is fixedly connected to the inner wall of the rotating bearing A (3), a rotary table (5) is fixedly connected to the top surface of the fixed column (4), a connecting rod (6) is fixedly connected to the outer edge of the top surface of the rotary table (5), a limiting plate (7) is fixedly connected to the top surface of the connecting rod (6), a fixed plate A (8) is movably connected to the top surface of the connecting rod (6), an annular groove A (9) is formed in the bottom surface of the fixed plate A (8), the cross section of the annular groove A (9) is in a T shape, an annular groove B (12) starts to be formed in the outer wall of the rotary table (5), a pulling rope, the outer wall of the left side and the outer wall of the right side of the fixing plate A (8) are fixedly connected with a fixing plate B (10), and fixing holes (11) are formed in the top surface of the fixing plate B (10).

2. A laser projection device as claimed in claim 1, wherein: twelve hemispherical protrusions (23) are laid on the inner wall of the top surface of the ring groove A (9), the hemispherical protrusions (23) and the connecting rod (6) are made of strong magnets and attract each other, and the size of the twelve hemispherical protrusions (23) is different.

3. A laser projection device as claimed in claim 2, wherein: two connecting rods A (14) of right side wall fixedly connected with of projection equipment (1), two equal fixedly connected with sleeve (15) of connecting rod A (14), sleeve (15) are hollow semicircle ring body, pull rope (13) and be located two sleeves (15).

4. A laser projection device as claimed in claim 3, wherein: the left side top surface of projection equipment (1) is fixedly connected with connecting rod B (16), the right side surface of connecting rod B (16) is fixedly connected with laminating piece (17).

5. A laser projection device as claimed in claim 4, wherein: rectangular channel A (18) have been seted up to the right flank of laminating piece (17), carousel (5) are located rectangular channel A (18), rectangular channel B (19) have been seted up to the left side inner wall of rectangular channel A (18), the bottom surface inner wall of rectangular channel B (19) is equipped with cylinder arch (20), the outer wall fixed mounting of cylinder arch (20) has rolling bearing B (21), the outer wall fixedly connected with lantern ring (22) of rolling bearing B (21), lantern ring (22) with be located pulling rope (13) laminating in annular B (12).