CN210800568U

CN210800568U - Projector adjusting device for back projection television

Info

Publication number: CN210800568U
Application number: CN201921759685.2U
Authority: CN
Inventors: 曾葵
Original assignee: Shenzhen Zhongke Hengjin Technology Co ltd
Current assignee: Shenzhen Zhongke Hengjin Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-19
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a projector adjusting device for rear projection TV, including unable adjustment base, unable adjustment base top middle-end is equipped with the transmission case, and is equipped with the drive handle before the transmission case on the lateral wall, transmission case top middle-end is equipped with the transmission reel, and transmission reel top center is equipped with the seat to one side, the seat top is connected with the support guide pillar to one side, and supports guide pillar middle-end one side and transversely be provided with the fixing sleeve, fixing sleeve one side is connected with the direction lantern ring, the support guide pillar top is connected with the fixed disk, and the fixed disk top is connected with the backup pad, the vertical direction stand that is provided with in transmission case one side, and the direction stand top is connected with the loop bar, the unable adjustment base top all is equipped with the bearing guide pillar all around, and bearing guide. The utility model relates to a novelty, rational in infrastructure, low in production cost, convenient operation, the maintenance of being convenient for, excellent in use effect.

Description

Projector adjusting device for back projection television

Technical Field

The utility model relates to a TV set field particularly, relates to a projector adjusting device for rear projection TV set.

Background

With the improvement of the living standard of people and the improvement of living conditions, the back projection type color television is increasingly favored by consumers, wherein the most difference between the back projection type color television and the front projection type color television is that the back projection type color television is arranged behind a screen by using a projector, and images are formed on the screen after light is reflected by using a reflector. Compared with the traditional CRT television which mainly uses a picture tube, the back projection television not only has the advantages of no radiation, large picture size and the like, but also can be directly connected with a computer or other video equipment to achieve the maximum entertainment effect. Therefore, rear projection radio has played a very important role in the entertainment display device market. How to improve the multi-picture quality of the rear projection television, including color saturation, focus resolution, image resolution and contrast, is the direction of effort by the current manufacturers. The reflector and the projector play an important role in the back projection television, and the back projection television reflects light rays by the reflector with a proper angle through the light rays emitted by the projector and accurately projects the light rays on a screen to form images, so that the focusing definition and the image resolution of the back projection television can be improved by the good adjusting device for the position and the angle of the projector, the position of the projector is not changed in the traditional method, and the reflector is adjusted to a proper angle by rotating the angle of the reflector by taking an X axis and a Y axis as axes and the aim of accurate focusing is fulfilled by matching the light rays emitted by the projector.

Patent No. CN2685931 discloses a projector adjusting device for rear projection television, the device is good in use effect, but the structure is more complex, because the oil pressure adjusting support is used to be equipped with a plurality of accessories, the production is raised, the later stage occupies a larger space while the cost is higher, the oil leakage condition appears in the later stage and is not well handled, and the replacement cost is also high while the maintenance is inconvenient. Therefore, an adjusting device with simple structure, low production cost and good use effect is urgently needed to meet the use requirements of customers.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a projector adjusting device for rear-projection television, its easy operation, manufacturing cost is lower, and easy maintenance and excellent in use effect have solved traditional adjusting device structure comparatively complicacy, owing to use the oil pressure adjustment pillar to need be equipped with multiple auxiliary, the production rises this higher time later stage occupation space great, the oil leak condition appears in the later stage also not good processing, the inconvenient also high problem of replacement cost when maintaining.

(II) technical scheme

For realizing that a structure is simple and easy, low in production cost and excellent in use effect's adjusting device is used for using, satisfies customer user demand's purpose, the utility model discloses a concrete technical scheme as follows:

the utility model provides a projector adjusting device for rear projection TV, includes unable adjustment base, unable adjustment base top middle-end is equipped with the transmission case, and is equipped with the transmission handle before the transmission case on the lateral wall, transmission case top middle-end is equipped with the transmission reel, and transmission reel top center is equipped with the one-tenth seat to one side, the one-side is connected with the support guide pillar to one side, and transversely is provided with the fixed sleeve in support guide pillar middle-end one side, fixed sleeve one side is connected with the direction lantern ring, support the guide pillar top and be connected with the fixed disk, and the fixed disk top is connected with the backup pad, the vertical direction stand that is provided with in transmission case one side, and the direction stand top is connected with the loop bar, unable adjustment base top all is equipped with the bearing guide pillar all around, and the bearing guide pillar top all is equipped with.

Further, the transmission case is vertically provided with a transmission shaft, one side of the transmission shaft is provided with a linkage shaft, the transmission shaft is meshed with the linkage shaft and connected with the transmission shaft, the bottom of the inner cavity of the transmission case and the top of the inner cavity are respectively provided with a fixed shaft seat corresponding to the transmission shaft and the linkage shaft, the transmission shaft and the linkage shaft are respectively located in the fixed shaft seats, one end of the transmission shaft penetrates through the fixed shaft seat and the top wall of the transmission case and is fixedly connected with the bottom of the transmission shaft disk, the other end of the transmission shaft is located in the fixed shaft seat and is rotatably connected with the fixed shaft seat, the transmission handle is located on one side of the linkage shaft and is.

Furthermore, a rail groove is formed in the position, corresponding to the position of the transmission shaft disc, of the top of the transmission box, and balls are arranged inside the rail groove.

Furthermore, a threaded column is arranged at the position, corresponding to the inclined seat, of the top of the transmission shaft disc, the transmission shaft disc is in threaded connection with the inclined seat, one end of the supporting guide column is in threaded connection with the inclined seat, the other end of the supporting guide column is welded and fixed with the fixed disc, the fixed disc is fixedly connected with the bottom of the supporting plate through a fixing bolt, and a fixing hole for fixing the projector conveniently is formed in the supporting plate.

Further, the guide sleeve ring one end is located fixed sleeve and with fixed sleeve threaded connection, the guide sleeve ring inboard is equipped with protruding post, loop bar and guide stand threaded connection, the guide sleeve cover is established in the loop bar outside, the loop bar is equipped with the spout with protruding post position corresponding department, protruding post is located the spout and is the up-and-down motion.

Furthermore, the universal ball head bases are eight groups and are respectively arranged on the top of the bearing island column and around the bottom of the supporting plate, the universal ball heads are respectively arranged on the universal ball head bases and are rotatably connected with the universal ball head bases, and the telescopic supporting rods are arranged between the universal ball heads and are fixedly connected with the universal ball heads.

(III) advantageous effects

Compared with the prior art, the utility model provides a projector adjusting device for rear projection TV possesses following beneficial effect:

(1) compare with traditional projector adjusting device, this device sets up the transmission handle in the TV set outside, drives the fixed disk through rotatory transmission handle and rocks and can carry out the 3D adjustment to the projector, easy operation and easy maintenance, and manufacturing cost is lower, excellent in use effect.

(2) Compared with the traditional projector adjusting device, the projector adjusting device is provided with the universal connecting device and the bearing guide column to replace the traditional complex supporting device and guide device, the production cost is low, the damage is not easy to damage, and the maintenance and the part replacement are also convenient.

(3) This device drives the fixed disk rotation through rotatory transmission handle at last, and the fixed disk rocks from top to bottom under the effect of sloping seat, can carry out the 3D adjustment to the angle of projector through slow rotatory transmission handle, and the simple operation just is convenient for adjust.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a projector adjusting device for a rear projection television according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a universal connecting device of a projector adjusting device for a rear projection television according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a transmission shaft of a projector adjusting device for a rear projection television according to an embodiment of the present invention.

In the figure:

1. a fixed base; 2. a transmission case; 3. a drive handle; 4. a drive shaft disc; 5. an inclined seat; 6. supporting the guide post; 7. fixing the sleeve; 8. a guide collar; 9. fixing the disc; 10. a support plate; 11. a guide upright post; 12. a loop bar; 13. a load bearing guide post; 14. a universal connection device; 15. a universal ball cup seat; 16. a universal ball head; 17. a telescoping strut; 21. a drive shaft; 22. a linkage shaft.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a projector adjusting device for rear projection TV.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a projector adjusting device for a rear projection television according to an embodiment of the present invention comprises a fixing base 1, a transmission case 2 is disposed at the middle of the top of the fixing base 1, a transmission handle 3 is disposed on the front side wall of the transmission case 2, a transmission shaft disk 4 is disposed at the middle of the top of the transmission case 2, an inclined seat 5 is disposed at the center of the top of the transmission shaft disk 4, a support guide post 6 is connected to the top of the inclined seat 5, a fixing sleeve 7 is transversely disposed at one side of the middle end of the support guide post 6, a guide sleeve ring 8 is connected to one side of the fixing sleeve 7, a fixing disk 9 is connected to the top of the support guide post 6, a support plate 10 is connected to the top of the fixing disk 9, a guide post 11 is vertically disposed at one side of the transmission case 2, a loop bar 12 is connected to the, and the top of the bearing guide post 13 is provided with a universal connecting device 14, and the universal connecting device 14 comprises a universal ball head seat 15, a universal ball head 16 and a telescopic support rod 17.

Wherein, a transmission shaft 21 is vertically arranged in the transmission case 2, a linkage shaft 22 is arranged at one side of the transmission shaft 21, the transmission shaft 21 is engaged with the linkage shaft 22, fixed shaft seats are arranged at the bottom of the inner cavity of the transmission case 2 and the top of the inner cavity corresponding to the positions of the transmission shaft 21 and the linkage shaft 22, the transmission shaft 21 and the linkage shaft 22 are both positioned in the fixed shaft seats, one end of the transmission shaft 21 penetrates through the fixed shaft seats and the top wall of the transmission case 2 to be fixedly connected with the bottom of a transmission shaft disc 4, the other end is positioned in the fixed shaft seats and is rotatably connected with the fixed shaft seats, a transmission handle 3 is positioned at one side of the linkage shaft 22 and is engaged with the linkage shaft 22, one end of the transmission handle 3 extends to the outside of the television, a rail groove is arranged at the top of the transmission case 2 corresponding to the position of the transmission shaft disc 4, balls are arranged in the rail groove, one end of a supporting guide post 6 is in threaded connection with an inclined seat 5, the other end of the supporting guide post is welded and fixed with a fixed disk 9, the fixed disk 9 is fixedly connected with the bottom of a supporting plate 10 through a fixing bolt, a fixing hole convenient for fixing a projector is arranged on the supporting plate 10, one end of a guide sleeve ring 8 is positioned in a fixing sleeve 7 and is in threaded connection with the fixing sleeve 7, a protruding column is arranged on the inner side of the guide sleeve ring 8, a sleeve rod 12 is in threaded connection with a guide upright column 11, the guide sleeve ring 8 is sleeved on the outer side of the sleeve rod 12, a sliding groove is arranged at the position of the sleeve rod 12 corresponding to the protruding column, the protruding column is positioned in the sliding groove and moves up and down, eight groups of universal ball seats 15 are respectively arranged at the top of a bearing island column 13 and around the bottom of, the telescopic supporting rod 17 is arranged between the universal ball heads 16 and is fixedly connected with the universal ball heads 16.

The working principle is as follows: when the device is used, the transmission handle 3 is exposed on one side of the outside of the television in a shaking mode, the transmission handle 3 rotates to drive the linkage shaft 22 to rotate, the linkage shaft 22 rotates to drive the transmission shaft 21 to rotate, the transmission shaft disc 4 also rotates along with the rotation and drives the inclined seat 5 and the support guide pillar 6 to rotate, the fixed disc 9 connected with the support guide pillar 6 regularly shakes up, down, left, right, front and back along with the rotation to perform 3D adjustment on the angle of the projector, in the shaking process, the guide lantern ring 8 regularly moves up and down on the sleeve rod 45 along with the guide lantern ring, and the universal connecting device 14 on the bearing guide pillar 13 plays a supporting role.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A projector adjusting device for a rear projection television is characterized by comprising a fixed base (1), wherein a transmission case (2) is arranged at the middle end of the top of the fixed base (1), a transmission handle (3) is arranged on the front side wall of the transmission case (2), a transmission shaft disc (4) is arranged at the middle end of the top of the transmission case (2), an inclined seat (5) is arranged at the center of the top of the transmission shaft disc (4), a supporting guide pillar (6) is connected to the top of the inclined seat (5), a fixed sleeve (7) is transversely arranged on one side of the middle end of the supporting guide pillar (6), a guide sleeve ring (8) is connected to one side of the fixed sleeve (7), a fixed disc (9) is connected to the top of the supporting guide pillar (6), a supporting plate (10) is connected to the upper portion of the fixed disc (9), a guide upright post (11) is vertically arranged on one side of the transmission case, the fixed base is characterized in that bearing guide pillars (13) are arranged on the periphery of the top of the fixed base (1), universal connecting devices (14) are arranged on the tops of the bearing guide pillars (13), and each universal connecting device (14) comprises a universal ball head seat (15), a universal ball head (16) and a telescopic supporting rod (17).

2. The adjusting device of the projector as claimed in claim 1, wherein the transmission case (2) is vertically provided with a transmission shaft (21), and one side of the transmission shaft (21) is provided with a linkage shaft (22), the transmission shaft (21) is engaged with the linkage shaft (22), the bottom and the top of the inner cavity of the transmission case (2) are provided with a fixed shaft seat corresponding to the transmission shaft (21) and the linkage shaft (22), the transmission shaft (21) and the linkage shaft (22) are both located in the fixed shaft seat, one end of the transmission shaft (21) penetrates through the fixed shaft seat and the top wall of the transmission case (2) to be fixedly connected with the bottom of the transmission shaft disc (4), the other end of the transmission shaft is located in the fixed shaft seat and is rotatably connected with the fixed shaft seat, the transmission handle (3) is located on one side of the linkage shaft (22) and is engaged with the linkage shaft (22), one end of the transmission handle (3) extends to the outside of the television.

3. The adjusting apparatus of a projector as claimed in claim 1, wherein the top of the transmission case (2) is provided with a track groove corresponding to the position of the transmission shaft disk (4), and the track groove is provided with a ball therein.

4. The adjusting apparatus of the projector as claimed in claim 1, wherein a threaded post is disposed at a position corresponding to the position of the slanted seat (5) on the top of the transmission shaft disk (4), the transmission shaft disk (4) is in threaded connection with the slanted seat (5), one end of the support guide post (6) is in threaded connection with the slanted seat (5), the other end of the support guide post is welded and fixed to the fixed disk (9), the fixed disk (9) is fixedly connected to the bottom of the support plate (10) through a fixing bolt, and a fixing hole for fixing the projector is disposed on the support plate (10).

5. The adjusting device of a projector as claimed in claim 1, wherein one end of the guiding sleeve ring (8) is located in the fixing sleeve (7) and is in threaded connection with the fixing sleeve (7), a protruding column is disposed on the inner side of the guiding sleeve ring (8), the sleeve rod (12) is in threaded connection with the guiding column (11), the guiding sleeve ring (8) is sleeved on the outer side of the sleeve rod (12), a sliding groove is disposed at a position of the sleeve rod (12) corresponding to the protruding column, and the protruding column is located in the sliding groove and moves up and down.

6. The adjusting apparatus of the projector for the rear projection tv set as claimed in claim 1, wherein the universal ball sockets (15) are eight groups and are respectively disposed on the top of the bearing guide posts (13) and around the bottom of the supporting plate (10), the universal balls (16) are respectively disposed inside the universal ball sockets (15) and rotatably connected with the universal ball sockets (15), and the telescopic supporting rods (17) are disposed between the universal balls (16) and fixedly connected with the universal balls (16).