CN211475311U - Projector support with adjustable height - Google Patents

Abstract

The utility model discloses a projecting apparatus support of adjustable height, including mounting table face, mounting table face's bottom is provided with longitudinal arrangement's installation dabber, the installation dabber has upper portion, middle part and lower part, upper portion is connected with mounting table face, the middle part cover is equipped with the axle sleeve, the pinhole has been seted up on the global of axle sleeve, and the pin runs through the axle sleeve through this pinhole along the radial direction straight line of axle sleeve, the cover is equipped with solid fixed ring on the axle sleeve, the circumference has arrayed a plurality of first supporting legs on solid fixed ring's the surface, the lower part has screw thread structure, and the cover is equipped with the slip ring that uses with the screw thread structure cooperation on the lower part, the circumference has arrayed the second supporting leg that equals with first supporting leg quantity on the surface of slip ring, the lower extreme and the first supporting leg swivelling. The utility model discloses can be convenient for more highly adjust the projecting apparatus, and easy operation, the range of regulation can be mastered.

Description

Projector support with adjustable height

Technical Field

The utility model relates to a projecting apparatus technical field, especially a projecting apparatus support of adjustable height.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes.

At present, two installation methods are generally adopted by projectors: the first is to hang the projector on the ceiling through a connecting rod; the second is to place the projector directly on the conference table. For the second installation mode, the height for placing the projector needs to be suitable for the height of the curtain, so that the projector can project all the contents on the curtain. At present, the height of the projector is adjusted through book padding or other articles, so that the projector is quite inconvenient, the adjustment amplitude is too large, and the projection effect is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned technique not enough, the utility model aims at providing a projecting apparatus support of adjustable height, can be convenient for more highly adjust the projecting apparatus, and easy operation, the range of regulation can be mastered.

The utility model aims at realizing through such technical scheme, it is including the installation table face, the bottom of installation table face is provided with longitudinal arrangement's installation dabber, the installation dabber has upper portion, middle part and lower part, upper portion is connected with the installation table face, the middle part cover is equipped with the axle sleeve, the pinhole has been seted up on the global of axle sleeve, and the pin runs through the axle sleeve through this pinhole along the axle sleeve radial direction straight line, the cover is equipped with solid fixed ring on the axle sleeve, a plurality of first supporting legs have been arrayed to the circumference on solid fixed ring's the surface, the lower part has screw thread structure, and the cover is equipped with the slip ring that uses with screw thread structure cooperation on the lower part, the circumference has arrayed the second supporting leg that equals with first supporting leg quantity on the surface of slip ring, the lower extreme and the first supporting leg.

Further, a plurality of first fixed blocks are arrayed on the outer surface of the fixing ring in a circumferential mode, each first fixed block is fixedly connected with one end of the fixing ring, the other end of each first fixed block is provided with a groove which is formed in the length direction of the first fixed block, and the upper end of each first support leg is rotatably connected with the side face of the groove.

Furthermore, the lower end of the first supporting leg is fixedly connected with a first anti-skid pad which is transversely arranged.

Furthermore, second fixed blocks with the same number as the first supporting legs are circumferentially arrayed on the outer surface of the sliding ring, one end of each second fixed block is fixedly connected with the sliding ring, and the other end of each second fixed block is rotatably connected with the upper ends of the second supporting legs.

Furthermore, two fixing concave parts which are arranged in parallel are arranged on the mounting table top, and the longitudinal section of each fixing concave part is of a convex structure with an opening at the upper end.

Further, still including angle fine setting subassembly on the installation mesa, angle fine setting subassembly is including screw thread adjusting rod, first lock nut, second lock nut and second slipmat, the screw thread adjusting rod vertically wears to establish on the installation mesa, first lock nut and second lock nut are located the top and the below of installation mesa respectively and use with the cooperation of screw thread adjusting rod, the second slipmat sets up the top at the screw thread adjusting rod.

Due to the adoption of the technical scheme, the utility model discloses following advantage has:

firstly, the mounting table top is convenient for placing a projector;

secondly, when the upper part of the installation mandrel is rotated, the sliding ring at the lower part moves up or down along the threads, so that the first support leg can be driven to contract or expand through the second support leg, the distance from the lower end of the first support leg to the installation table top is further changed, and the height of a projector placed on the installation table top is convenient to adjust; the adjusting amplitude depends on the moving distance of the sliding ring, so that the projector can be well grasped and held to adjust the height, and the operation is easy;

and thirdly, the first supporting leg and the second supporting leg are respectively arranged on the fixing ring and the sliding ring in a circumferential array mode, a triangular area is formed between the adjacent first supporting leg or the second supporting leg, the stability of the support is improved, and the phenomenon that the support collapses after the projector is placed is prevented.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The drawings of the present invention are described below.

Fig. 1 is a first perspective view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a second perspective view of the present invention;

FIG. 5 is an enlarged view at C of FIG. 4;

in the figure: 1. mounting a table top; 2. installing a mandrel; 200. an upper portion; 201. a middle part; 202. a lower portion; 3. a shaft sleeve; 4. a pin; 5. a fixing ring; 6. a first support leg; 7. a slip ring; 8. a second support leg; 9. a first fixed block; 10. a groove; 11. a first non-slip mat; 12. a second fixed block; 13. a fixing recess; 14. an angle fine-tuning component; 141. a threaded adjusting rod; 142. a first lock nut; 143. a second lock nut; 144. and a second non-slip mat.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example (b):

as shown in fig. 1 to 5, a height-adjustable projector support comprises a mounting table top 1, wherein a mounting mandrel 2 is arranged at the bottom of the mounting table top 1 in a longitudinal direction, the mounting mandrel 2 comprises an upper portion 200, a middle portion 201 and a lower portion 202, the upper portion 200 is connected with the mounting table top 1, the middle portion 201 is sleeved with a shaft sleeve 3, the upper portion 200 of the circumferential surface of the shaft sleeve 3 is provided with a pin hole, a pin 4 linearly penetrates through the shaft sleeve 3 along the radial direction of the shaft sleeve 3 through the pin hole, so that the shaft sleeve 3 is fixed on the mounting mandrel 2, the shaft sleeve 3 is sleeved with a fixing ring 5, the fixing ring 5 is in contact with the shaft sleeve 3, the mounting mandrel 2 and the fixing ring 5 can be prevented from rotating in the radial direction after the shaft sleeve 3 is fixed, the diameter of the middle portion 201 is; three first supporting legs 6 have been arrayed to the circumference on solid fixed ring 5's the surface, lower part 202 has screw thread structure, the cover is equipped with the slip ring 7 that uses with screw thread structure cooperation on the lower part 202, the circumference array has been equaled with first supporting leg 6 second supporting leg 8 on the surface of slip ring 7, the lower extreme and the 6 swivelling joint of first supporting leg of second supporting leg 8, first supporting leg 6 is used for supporting whole support, second supporting leg 8 is used for connecting first supporting leg 6 and slip ring 7, when the position of change slip ring 7, the slope of different degrees can take place for second supporting leg 8, thereby make first supporting leg 6 expansion or shrink, and then change the whole height of this support, make the height of placing the projecting apparatus on mounting table face 1 changed.

Three first fixed blocks 9 are circumferentially arrayed on the outer surface of the fixed ring 5, one end of each first fixed block 9 is fixedly connected with the fixed ring 5, the other end of each first fixed block 9 is provided with a groove 10 formed in the length direction of the first fixed block, and the upper end of each first support leg 6 is rotatably connected with the side face of each groove 10.

The lower end of the first supporting leg 6 is fixedly connected with a first antiskid pad 11 which is transversely arranged.

The outer surface of the sliding ring 7 is circumferentially arrayed with second fixed blocks 12 with the same number as the first supporting legs 6, one ends of the second fixed blocks 12 are fixedly connected with the sliding ring 7, and the other ends of the second fixed blocks 12 are rotatably connected with the upper ends of the second supporting legs 8.

The mounting table surface 1 is provided with two fixing concave parts 13 which are arranged in parallel, the longitudinal section of each fixing concave part 13 is of a convex structure with an open upper end, and supporting legs of the projector are drawn into the fixing concave parts 13, so that the whole projector is fixed.

Still including angle fine adjustment assembly 14 on the installation table face 1, angle fine adjustment assembly 14 is including screw thread regulation pole 141, first lock nut 142, second lock nut 143 and second slipmat 144, screw thread regulation pole 141 vertically wears to establish on installation table face 1, first lock nut 142 and second lock nut 143 are located the top and the below of installation table face 1 respectively and use with screw thread regulation pole 141 cooperation, second slipmat 144 sets up the top at screw thread regulation pole 141, place the front end of projecting apparatus bottom on second slipmat 144, and change the inclination of projecting apparatus through adjusting the height of screw thread regulation pole 141 on installation table face 1, utilize first lock nut 142 and second lock nut 143 to lock after adjusting well simultaneously.

The working principle of the embodiment is as follows: the projector is placed on the installation table board 1, the upper portion 200 of the installation mandrel 2 is rotated, the sliding ring 7 moves on the installation mandrel 2 along the axial direction, the first supporting leg 6 is made to contract or expand radially synchronously, the rotation is stopped after the proper height is adjusted, and then the height of the threaded adjusting rod 141 is adjusted to enable the inclination angle of the projector to be proper. This embodiment can adjust the height of placing the projecting apparatus support, and then makes the effect that the projecting apparatus throwed out better, and convenient operation, is convenient for accomodate, and stability is stronger.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a projecting apparatus support of adjustable height which characterized in that: comprises a mounting table board (1), the bottom of the mounting table board (1) is provided with a longitudinally arranged mounting mandrel (2), the mounting mandrel (2) is provided with an upper part (200), a middle part (201) and a lower part (202), the upper part (200) is connected with the mounting table board (1), the middle part (201) is sleeved with a shaft sleeve (3), a pin hole is formed in the circumferential surface of the shaft sleeve (3), a pin (4) linearly penetrates through the shaft sleeve (3) along the radial direction of the shaft sleeve (3) through the pin hole, a fixing ring (5) is sleeved on the shaft sleeve (3), a plurality of first supporting legs (6) are arrayed on the outer surface of the fixing ring (5) in a circumferential mode, the lower part (202) is provided with a threaded structure, a sliding ring (7) matched with the threaded structure for use is sleeved on the lower part (202), and second supporting legs (8) equal to the first supporting legs (6) in number are arrayed on the outer surface, the lower end of the second supporting leg (8) is rotatably connected with the first supporting leg (6).

2. The adjustable height projector mount of claim 1, wherein: a plurality of first fixed blocks (9) are arrayed circumferentially on the outer surface of the fixed ring (5), each one end of each first fixed block (9) is fixedly connected with the fixed ring (5), the other end of each first fixed block (9) is provided with a groove (10) formed along the length direction of the groove, and the upper end of each first support leg (6) is rotatably connected with the side face of each groove (10).

3. The adjustable height projector mount of claim 2, wherein: the lower end of the first supporting leg (6) is fixedly connected with a first anti-skid pad (11) which is transversely arranged.

4. The adjustable height projector mount of any of claims 1-3, wherein: the outer surface of the sliding ring (7) is circumferentially arrayed with second fixing blocks (12) with the same number as the first supporting legs (6), one end of each second fixing block (12) is fixedly connected with the sliding ring (7), and the other end of each second fixing block (12) is rotatably connected with the upper ends of the second supporting legs (8).

5. The adjustable height projector mount of claim 1, wherein: the mounting table top (1) is provided with two fixing concave parts (13) which are arranged in parallel, and the longitudinal section of each fixing concave part (13) is of a convex structure with an opening at the upper end.

6. The adjustable height projector mount of any of claims 1-3, 5, wherein: the angle fine adjustment assembly (14) is further arranged on the mounting table board (1), the angle fine adjustment assembly (14) comprises a threaded adjusting rod (141), a first locking nut (142), a second locking nut (143) and a second anti-skid pad (144), the threaded adjusting rod (141) is longitudinally arranged on the mounting table board (1) in a penetrating mode, the first locking nut (142) and the second locking nut (143) are respectively located above and below the mounting table board (1) and are matched with the threaded adjusting rod (141) for use, and the second anti-skid pad (144) is arranged at the top of the threaded adjusting rod (141).

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