CN213482630U

CN213482630U - 3LCD projection machine convenient to maintain

Info

Publication number: CN213482630U
Application number: CN202022249455.0U
Authority: CN
Inventors: 谷魏; 兰志强
Original assignee: Five Continents Media Polytron Technologies Inc
Current assignee: Five Continents Media Polytron Technologies Inc
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-18
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a 3LCD projection ray apparatus convenient to maintain, including upper cover, riser and bottom plate, the upper surface symmetry fixedly connected with riser of bottom plate, two the upper cover is installed in the cooperation between the riser, the inside center department of bottom plate rotates and is connected with the adjusting device who has limit function, the inside symmetry slidable mounting of bottom plate has stop device, two stop device and upper cover slidable mounting, two stop device all passes through the bearing rotation with adjusting device and is connected, the upper surface symmetry fixedly connected with strutting arrangement of bottom plate, strutting arrangement and upper cover fixed connection, the power has been put to the top of bottom plate, the utility model discloses a strutting arrangement assists spacingly, makes the integral erection stable through the cooperation of slider with the upper cover, the daily maintenance of being convenient for, simple structure, the practicality is strong.

Description

3LCD projection machine convenient to maintain

Technical Field

The utility model relates to a 3LCD projection ray apparatus technical field specifically is a 3LCD projection ray apparatus convenient to maintain.

Background

The three-chip LCD (3LCD) technology structure uses a high-transmission high-temperature polysilicon LCD display panel with very small size, each HTPS is composed of many pixels, such as 1024& TIMes resolution; the HTPS of 768 is known as 1024& TIMes; 768 pixels are formed to correspond to the pixel points of the projected image. Each pixel includes a signal line, a control line, a TFT, and an opening area. The opening area comprises liquid crystal molecules arranged in a specific mode, the vibration direction of light penetrating through the pixel is changed according to the change of the arrangement mode of the liquid crystal molecules under different voltages, and the transition from full black to full white in different gray scales is realized by combining the liquid crystal molecules with a polarizing plate.

The shell of the existing 3LCD projection optical machine is basically fixedly connected through bolts, the installation and the disassembly are both troublesome, and the 3LCD projection optical machine is not convenient for daily maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3LCD projection ray apparatus convenient to maintain to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a3 LCD projection optical machine convenient for maintenance comprises an upper cover, vertical plates and a bottom plate, wherein the vertical plates are symmetrically and fixedly connected with the upper surface of the bottom plate, the upper cover is installed between the two vertical plates in a matched mode, an adjusting device with a limiting function is rotatably connected at the center of the inner part of the bottom plate, limiting devices are symmetrically and slidably installed in the bottom plate, the two limiting devices are slidably installed on the upper cover, the two limiting devices are rotatably connected with the adjusting device through bearings, a supporting device is symmetrically and fixedly connected with the upper surface of the bottom plate, the supporting device is fixedly connected with the upper cover, a power supply is arranged above the bottom plate and fixedly connected with the bottom plate, a light source fixing frame is fixedly connected with the upper surface of the bottom plate beside the power supply, a shutter support is arranged on the left side of the light source fixing frame, and a 3LCD support is fixedly connected, the LCD comprises a 3LCD support and a bottom plate, wherein the 3LCD support is fixedly connected with the bottom plate, a projection main board is fixedly connected to the upper portion of the 3LCD support, a lens is installed below the projection main board, and the lens is fixedly connected with the 3LCD support.

Preferably, adjusting device includes adjust knob, square groove, first spring, connecting rod, fixed block, briquetting, post groove and carousel, the inside center department of bottom plate rotates and is connected with the carousel, the post groove has been seted up to the inside of carousel, the sliding surface in post groove is connected with the briquetting, the fixed surface of briquetting is connected with the connecting rod, the outside cover of connecting rod is equipped with first spring, first spring and briquetting fixed connection, the fixed surface of connecting rod is connected with the fixed block, the one end fixedly connected with adjust knob of post groove bottom is kept away from to the connecting rod, square groove has been seted up on the surface of carousel, square groove and adjust knob slidable mounting, the symmetrical fixedly connected with slider in surface of briquetting.

Preferably, the sliding device comprises a limiting groove and a limiting block, the pressing block is fixedly connected with the surface symmetrically, the surface of the column groove is symmetrically provided with the limiting groove, and the limiting groove is connected with the limiting block in a sliding mode.

Preferably, the limiting device comprises a rotating column, a sliding plate, a sliding block and a groove, the rotating column is rotatably connected to the inner symmetry of the rotating disc through a bearing, the sliding plate is rotatably connected to one end, away from the rotating disc, of the rotating column, the sliding plate is fixedly connected to the surface, away from the rotating column, of the sliding plate, the groove is symmetrically formed in the inner portion of the bottom plate, the groove is slidably connected with the sliding plate, and the sliding block is slidably mounted with the upper cover.

Preferably, strutting arrangement includes second spring, installation piece, mounting groove, connecting block, lifter, connecting plate and backing plate, the lower surface symmetry fixedly connected with backing plate of upper cover, the upper surface symmetry fixedly connected with installation piece of bottom plate, the mounting groove has been seted up to the inside symmetry of installation piece, the bottom fixedly connected with second spring of mounting groove, the one end fixedly connected with connecting block of mounting groove bottom is kept away from to the second spring, the fixed surface of second spring is kept away from to the connecting block is connected with the lifter, and is a plurality of the one end fixedly connected with connecting plate of mounting groove is kept away from to the lifter, connecting plate and backing plate in close contact with.

Preferably, the lower surface of the bottom plate is symmetrically and fixedly connected with cushion blocks.

Preferably, a plurality of heat dissipation holes are formed in the surface of the vertical plate.

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

the utility model discloses connect through the wire between the inside components and parts of power and projection ray apparatus, basically the same as the internal structure of current projection ray apparatus, after the installation of internal electrical components, the upper cover and riser cooperation, it is close to towards the bottom plate, the upper cover presents the U style of calligraphy, the backing plate contacts with the connecting plate, the backing plate moves down, drive the lifter to move down, the second spring is compressed, further, the upper cover contacts with the lateral wall of bottom plate, pulling adjust knob, drive the briquetting to move towards the direction of keeping away from the column groove bottom, the fixed block moves towards the direction of square groove, and then cooperates with square groove, the stopper slides to the other end of spacing groove at this moment, rotate adjust knob, drive the carousel and rotate, and then drive the rotation angle of rotation post and move certain distance, make the sliding plate slide on the surface of mounting groove, and the slider advances towards the direction of upper cover, until with the upper cover complete coordination, carry on spacingly to the upper cover, guarantee the stability of installation, when dismantling, only need stimulate adjust knob for the fixed block cooperates with square groove, and the adjust knob is rotated in the opposite direction, makes slider and upper cover separation, and the holistic installation of being convenient for is dismantled, and then the daily maintenance of being convenient for.

Drawings

FIG. 1 is a schematic view of the whole partial sectional structure of the present invention;

FIG. 2 is a schematic bottom sectional view of the bottom plate of the present invention;

FIG. 3 is a schematic structural view of the adjusting device of the present invention;

FIG. 4 is a schematic view of the overall structure of the present invention;

fig. 5 is a schematic view of the structure of the projection main board of the present invention;

fig. 6 is a schematic view of the structure of the LCD bracket of the present invention 3.

In the figure: 1. a vertical plate; 2. a base plate; 3. an adjustment device; 4. a limiting device; 5. a support device; 6. a power source; 7. a light source fixing frame; 8. a shutter bracket; 9. 3LCD support; 10. a projection main board; 11. a lens; 12. adjusting a knob; 13. a square groove; 14. a first spring; 15. a connecting rod; 16. a fixed block; 17. briquetting; 18. a column groove; 19. a turntable; 20. a sliding device; 21. a limiting groove; 22. a limiting block; 23. rotating the column; 24. a sliding plate; 25. a slider; 26. a groove; 27. a second spring; 28. mounting blocks; 29. mounting grooves; 30. connecting blocks; 31. a lifting rod; 32. a connecting plate; 33. a base plate; 34. cushion blocks; 35. heat dissipation holes; 36. and (7) covering.

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, 4, 5 and 6, a 3LCD projection light machine convenient for maintenance comprises an upper cover 36, vertical plates 1 and a bottom plate 2, wherein the vertical plates 1 are symmetrically and fixedly connected to the upper surface of the bottom plate 2, the upper cover 36 is fittingly installed between the two vertical plates 1, an adjusting device 3 with a limiting function is rotatably connected to the center of the inside of the bottom plate 2, the limiting devices 4 are symmetrically and slidably installed inside the bottom plate 2 to limit the position of the bottom plate, so as to ensure the stability of the whole installation, the two limiting devices 4 are slidably installed with the upper cover 36, the two limiting devices 4 are rotatably connected with the adjusting device 3 through bearings, the supporting device 5 is symmetrically and fixedly connected to the upper surface of the bottom plate 2 to support the position and assist the limiting, the supporting device 5 is fixedly connected with the upper cover 36, and a power supply 6 is arranged above the bottom plate 2, the utility model discloses a light source, including power 6 and bottom plate 2 fixed connection, 2 upper surfaces of bottom plate are located the fixed frame 7 of the other fixedly connected with light source of power 6, shutter support 8 has been put on the left side of the fixed frame 7 of light source, 3LCD support 9 of the fixed connection fixedly connected with in the left side of shutter support 8, 3LCD support 9 and 2 fixed connection of bottom plate, top fixedly connected with projection mainboard 10 between 3LCD support 9, camera lens 11 is installed to the below of projection mainboard 10, camera lens 11 and 3LCD support 9 fixed connection.

Referring to fig. 2 and 3, the adjusting device 3 includes an adjusting knob 12, a square groove 13, a first spring 14, a connecting rod 15, a fixing block 16, a pressing block 17, a column groove 18 and a rotating disc 19, the rotating disc 19 is rotatably connected to the center of the inside of the bottom plate 2, the column groove 18 is formed inside the rotating disc 19, the pressing block 17 is slidably connected to the surface of the column groove 18, the connecting rod 15 is fixedly connected to the surface of the pressing block 17, the first spring 14 is sleeved outside the connecting rod 15, the first spring 14 is fixedly connected to the pressing block 17, the fixing block 16 is fixedly connected to the surface of the connecting rod 15, the adjusting knob 12 is fixedly connected to one end of the connecting rod 15 away from the bottom of the column groove 18, the square groove 13 is formed on the surface of the rotating disc 19, the square groove 13 is slidably mounted with the adjusting knob 12, and the sliding device 20 is, the adjusting knob 12 is pulled to be away from the square groove 13 until the limiting block 22 slides to the other end of the limiting groove 21, the square groove 13 is matched with the fixing block 16, and the rotating disc 19 can be adjusted to rotate by rotating the adjusting knob 12.

Referring to fig. 3, the sliding device 20 includes a limiting groove 21 and a limiting block 22, the surface of the pressing block 17 is symmetrically and fixedly connected with the blocks, the surface of the column groove 18 is symmetrically provided with the limiting groove 21, and the limiting groove 21 is slidably connected with the limiting block 22 to perform a limiting function, so that the adjusting knob 12 and the fixing block 16 can be limited, and the adjusting turntable 19 can be conveniently rotated.

Referring to fig. 2 and fig. 1, the limiting device 4 includes a rotating column 23, a sliding plate 24, a sliding block 25 and a groove 26, the rotating column 23 is rotatably connected to the inside of the rotating disc 19 through a bearing, the sliding plate 24 is rotatably connected to one end of the rotating column 23 far away from the rotating disc 19, the sliding block 25 is fixedly connected to the surface of the sliding plate 24 far away from the rotating column 23, the groove 26 is symmetrically formed in the inside of the bottom plate 2, the groove 26 is slidably connected to the sliding plate 24, and the sliding block 25 is slidably mounted to the upper cover 36 to limit the upper cover 36.

Referring to fig. 1, the supporting device 5 includes a second spring 27, a mounting block 28, a mounting groove 29, a connecting block 30, a lifting rod 31, a connecting plate 32 and a backing plate 33, the lower surface of the upper cover 36 is symmetrically and fixedly connected with a backing plate 33, the upper surface of the bottom plate 2 is symmetrically and fixedly connected with a mounting block 28, the mounting block 28 is symmetrically provided with mounting grooves 29 inside, the bottom of the mounting groove 29 is fixedly connected with a second spring 27, one end of the second spring 27 far from the bottom of the mounting groove 29 is fixedly connected with a connecting block 30, the surface of the connecting block 30 far away from the second spring 27 is fixedly connected with a lifting rod 31, one end of the plurality of lifting rods 31 far away from the mounting groove 29 is fixedly connected with a connecting plate 32, the connecting plate 32 is in close contact with the backing plate 33, plays a supporting role, and can limit the upper cover 36 by matching with the sliding block 25, so that the installation stability is ensured.

Referring to fig. 1, the bottom surface of the bottom plate 2 is symmetrically and fixedly connected with a cushion block 34, so that the whole body is supported and is convenient to place.

Referring to fig. 4, a plurality of heat dissipation holes 35 are formed on the surface of the vertical plate 1 for ventilation and heat dissipation.

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 3LCD projection light machine convenient to maintain, includes upper cover (36), riser (1) and bottom plate (2), the last surface symmetry fixedly connected with riser (1) of bottom plate (2), two upper cover (36), its characterized in that are installed in the cooperation between riser (1): the automatic adjusting device is characterized in that an adjusting device (3) with a limiting function is rotatably connected to the center of the inside of the bottom plate (2), limiting devices (4) are symmetrically and slidably mounted inside the bottom plate (2), the limiting devices (4) are slidably mounted on the upper cover (36), the limiting devices (4) are rotatably connected with the adjusting device (3) through bearings, supporting devices (5) are symmetrically and fixedly connected to the upper surface of the bottom plate (2), the supporting devices (5) are fixedly connected with the upper cover (36), a power supply (6) is arranged above the bottom plate (2), the power supply (6) is fixedly connected with the bottom plate (2), a light source fixing frame (7) is fixedly connected to the upper surface of the bottom plate (2) beside the power supply (6), a shutter support (8) is arranged on the left side of the light source fixing frame (7), and a 3LCD support (9) is fixedly connected to the left side of the shutter support (8), 3LCD support (9) and bottom plate (2) fixed connection, top fixedly connected with projection mainboard (10) between 3LCD support (9), camera lens (11) are installed to the below of projection mainboard (10), camera lens (11) and 3LCD support (9) fixed connection.

2. The easy-to-maintain 3LCD projector light engine of claim 1, wherein: the adjusting device (3) comprises an adjusting knob (12), a square groove (13), a first spring (14), a connecting rod (15), a fixed block (16), a pressing block (17), a column groove (18) and a rotary table (19), wherein the rotary table (19) is rotatably connected at the center of the inner part of the bottom plate (2), the column groove (18) is formed in the rotary table (19), the pressing block (17) is connected to the surface of the column groove (18) in a sliding manner, the connecting rod (15) is fixedly connected to the surface of the pressing block (17), the first spring (14) is sleeved on the outer side of the connecting rod (15), the first spring (14) is fixedly connected with the pressing block (17), the fixed block (16) is fixedly connected to the surface of the connecting rod (15), the adjusting knob (12) is fixedly connected to one end, far away from the bottom of the column groove (18), of the rotary table (19), the square groove, the square groove (13) is slidably mounted with the adjusting knob (12), and the surface of the pressing block (17) is symmetrically and fixedly connected with a sliding device (20).

3. The easy-to-maintain 3LCD projector light engine of claim 2, wherein: the sliding device (20) comprises a limiting groove (21) and a limiting block (22), the surface of the pressing block (17) is symmetrically and fixedly connected with blocks, the surface of the column groove (18) is symmetrically provided with the limiting groove (21), and the limiting groove (21) is connected with the limiting block (22) in a sliding mode.

4. The easy-to-maintain 3LCD projector light engine of claim 2, wherein: the limiting device (4) comprises a rotating column (23), a sliding plate (24), a sliding block (25) and a groove (26), the rotating column (23) is rotationally connected to the inner symmetry of the rotating disc (19) through a bearing, the sliding plate (24) is rotationally connected to one end, far away from the rotating disc (19), of the rotating column (23), the sliding plate (24) is fixedly connected with the sliding block (25) on the surface, far away from the rotating column (23), the groove (26) is formed in the inner symmetry of the bottom plate (2), the groove (26) is in sliding connection with the sliding plate (24), and the sliding block (25) is in sliding installation with the upper cover (36.

5. The easy-to-maintain 3LCD projector light engine of claim 1, wherein: the supporting device (5) comprises a second spring (27), a mounting block (28), a mounting groove (29), a connecting block (30), a lifting rod (31), a connecting plate (32) and a backing plate (33), the lower surface of the upper cover (36) is symmetrically and fixedly connected with backing plates (33), the upper surface of the bottom plate (2) is symmetrically and fixedly connected with mounting blocks (28), mounting grooves (29) are symmetrically formed in the mounting block (28), a second spring (27) is fixedly connected to the bottom of each mounting groove (29), one end of the second spring (27) far away from the bottom of the mounting groove (29) is fixedly connected with a connecting block (30), the fixed surface that second spring (27) were kept away from in connecting block (30) is connected with lifter (31), and is a plurality of one end fixedly connected with connecting plate (32) of mounting groove (29) are kept away from in lifter (31), connecting plate (32) and backing plate (33) in close contact with.

6. The easy-to-maintain 3LCD projector light engine of claim 1, wherein: the lower surface of the bottom plate (2) is symmetrically and fixedly connected with cushion blocks (34).

7. The easy-to-maintain 3LCD projector light engine of claim 1, wherein: a plurality of heat dissipation holes (35) are formed in the surface of the vertical plate (1).