CN212156404U

CN212156404U - Positioning device for projector

Info

Publication number: CN212156404U
Application number: CN202020870191.8U
Authority: CN
Inventors: 徐洪芹; 岳忠锴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-15
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a positioner for projecting apparatus in the technical field of projecting apparatus, the on-line screen storage device comprises a base, the upper end of base is rotated and is restricted to have a screw thread section of thick bamboo, the outside cover of screw thread section of thick bamboo is equipped with the swivel, the inside spiro union of screw thread section of thick bamboo has the location lead screw, the upper end of location lead screw is fixed with the movable block, the upper end of movable block articulates there is the horizontal plate, the spout has been seted up to the bottom of horizontal plate, the inside slip restriction of spout has the slider, the bottom of slider articulates there is the bracing piece, the bottom and the base of bracing piece are fixed, the middle part of horizontal plate is rotated and is connected with the pivot, the top; the utility model discloses utilize hollow core plate and L shaped plate to press from both sides tightly fixed to it from four sides of projecting apparatus respectively, stability when having improved the location regulation prevents that the in-process projecting apparatus of adjusting from sliding, avoids the projecting apparatus to damage, and the convenience is fixed the projecting apparatus of not unidimensional size.

Description

Positioning device for projector

Technical Field

The utility model relates to a projecting apparatus technical field, concretely relates to positioner for projecting apparatus.

Background

The projector, also known as a projector, is a device capable of projecting images or videos onto a curtain, and is widely applied to homes, offices, schools and entertainment places at present, and when a camera is used, the up-down, left-right positions of light emitted by the projector are often adjusted, so that the light is projected onto a proper position on the curtain, and the height position is usually inconvenient to adjust.

Patent publication is CN 208793945U's patent specification discloses a positioner for projecting apparatus, including load-bearing part, adjusting part, anti-skidding base, the loading board shaft hole, the limiting plate, the loading board axle collar, the swing arm handle, the swing arm axle collar, the swing arm base, swing arm base shaft hole, support the horizontal pole, the base major axis, base axle collar and bed plate, load-bearing part passes through loading board shaft hole and swing arm axle collar pivot with adjusting part and is connected, load-bearing part passes through the loading board axle collar with anti-skidding base, base major axis and base axle collar rotate and are connected, the swing arm rotates with the swing arm axle collar to be connected, the swing arm rotates through swing arm base shaft hole with the swing arm base and is connected.

Although the scheme realizes the adjustment of the projection height of the projector, the scheme still has the following defects: firstly, the above scheme is inconvenient for adjusting the horizontal position of the light emitted by the projector, so that the adjusting range of the device is limited, and the application range is small; secondly, above-mentioned scheme lacks the fixing device to the projecting apparatus, and at the in-process of adjusting, the projecting apparatus takes place to rock easily, influences the regulation precision, and in case produce rock easily harm the inside electric elements of projecting apparatus.

Therefore, it is desirable to design a positioning device for a projector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner for projecting apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for a projector comprises a base, wherein a threaded cylinder is limited in rotation at the upper end of the base, a rotating ring is sleeved on the outer side of the threaded cylinder, a positioning screw rod is screwed in the threaded cylinder, a movable block is fixed at the upper end of the positioning screw rod, a horizontal plate is hinged at the upper end of the movable block, a sliding chute is formed in the bottom end of the horizontal plate, a sliding block is limited in sliding in the sliding chute, a supporting rod is hinged at the bottom end of the sliding block, the bottom end of the supporting rod is fixed with the base, a rotating shaft is rotatably connected in the middle of the horizontal plate, an object placing plate is fixed at the top end of the rotating shaft, limiting blocks are symmetrically fixed at the two sides of the bottom of the object placing plate, a circular groove is formed in the upper end of the horizontal plate, limiting blocks are limited in sliding in the circular groove, vertical plates are symmetrically, the front end of pressing from both sides tight lead screw is provided with hollow plate, press from both sides tight lead screw and the mutual butt of hollow plate, be fixed with telescopic machanism between hollow plate and the riser, the inside of hollow plate is provided with adjustment mechanism, the bar hole has been seted up to hollow plate's bilateral symmetry, adjustment mechanism's bilateral symmetry is fixed with the L shaped plate, the L shaped plate outwards extends through the bar hole.

Furthermore, in the above positioning device for a projector, the telescopic mechanism includes a telescopic cylinder, a spring and a telescopic rod, the spring is fixed inside the telescopic cylinder, the telescopic rod is fixed at the front end of the spring, and the telescopic rod is limited to the telescopic cylinder in a sliding manner.

Furthermore, among the above-mentioned positioner for projecting apparatus, adjustment mechanism includes gear, first rack, rectangular block, commentaries on classics hand and second rack, the upper and lower side of gear is provided with first rack and second rack respectively, first rack and second rack all with gear intermeshing, the outside of first rack and second rack all is fixed with the rectangular block, the rectangular block slides and restricts in the inside of hollow slab, the outside of rectangular block is fixed with the L shaped plate.

Furthermore, in the positioning device for a projector, the inside of the object placing plate is provided with a plurality of through holes.

Further, in the positioning device for a projector, a handle is fixed to an outer side of the clamp screw.

Further, in the positioning device for a projector, a bearing is provided inside the horizontal plate outside the rotating shaft.

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

1. the utility model discloses a be provided with the pivot and can make and put the thing board rotatory, the stopper slides and limits in the inside of circular recess, stability when having increased the rotation, be convenient for change the projecting horizontal direction position of projecting apparatus, through adjusting the height of positioning screw rod and screw thread section of thick bamboo whole for change the projecting vertical direction position of projecting apparatus, realized the regulation of projecting apparatus projection position;

2. the utility model discloses utilize hollow core plate and L shaped plate to press from both sides tightly fixed to it from four sides of projecting apparatus respectively, stability when having improved the location regulation prevents that the in-process projecting apparatus of adjusting from sliding, avoids the projecting apparatus to damage, and the convenience is fixed the projecting apparatus of not unidimensional size.

Drawings

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

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

FIG. 2 is a schematic view of the connection between the support rod and the slide block of the present invention;

FIG. 3 is a schematic view of the connection between the positioning screw and the hollow plate according to the present invention;

FIG. 4 is a schematic view of the connection between the adjusting mechanism and the L-shaped plate of the present invention;

fig. 5 is an outside view of the hollow board of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-screw thread cylinder, 3-swivel, 4-positioning screw rod, 5-movable block, 6-support rod, 7-sliding groove, 8-sliding block, 9-horizontal plate, 10-circular groove, 11-limiting block, 12-rotating shaft, 13-object placing plate, 14-through hole, 15-vertical plate, 16-clamping screw rod, 17-hollow plate, 18-adjusting mechanism, 181-gear, 182-first rack, 183-rectangular block, 184-swivel, 185-second rack, 19-strip hole, 20-L-shaped plate, 21-telescoping mechanism, 211-telescoping cylinder, 212-spring, 213-telescoping rod and 22-projector.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a positioner for projecting apparatus, includes base 1, and the upper end of base 1 is rotated and is restricted to have a screw thread section of thick bamboo 2, and the inside outside that is located screw thread section of thick bamboo 2 of base 1 is provided with the bearing. The outside cover of a screw thread section of thick bamboo 2 is equipped with swivel 3, and the inside spiro union of a screw thread section of thick bamboo 2 has positioning screw 4, and positioning screw 4's upper end is fixed with movable block 5, and the upper end of movable block 5 articulates there is horizontal plate 9. Spout 7 has been seted up to the bottom of horizontal plate 9, and the inside slip restriction of spout 7 has slider 8, and the bottom of slider 8 articulates there is bracing piece 6, and the bottom and the base 1 of bracing piece 6 are fixed. The middle part of horizontal plate 9 rotates and is connected with pivot 12, and the inside outside that is located pivot 12 of horizontal plate 9 is provided with the bearing, and the top of pivot 12 is fixed with puts thing board 13, puts the inside of thing board 13 and has seted up a plurality of through-holes 14, does benefit to the heat dissipation of projecting apparatus 22 through being provided with through-hole 14. Limiting blocks 11 are symmetrically fixed on two sides of the bottom of the object placing plate 13, a circular groove 10 is formed in the upper end of the horizontal plate 9, and the limiting blocks 11 are limited in the circular groove 10 in a sliding mode.

Vertical plates 15 are symmetrically fixed on two sides of the upper end of the object placing plate 13, a clamping screw rod 16 is screwed in the vertical plate 15, and a handle is fixed on the outer side of the clamping screw rod 16. The front end of the clamping screw rod 16 is provided with a hollow plate 17, the clamping screw rod 16 is abutted against the hollow plate 17, and a telescopic mechanism 21 is fixed between the hollow plate 17 and the vertical plate 15. The inside of hollow slab 17 is provided with adjustment mechanism 18, and bar hole 19 has been seted up to hollow slab 17's bilateral symmetry, and adjustment mechanism 18's bilateral symmetry is fixed with L shaped plate 20, and L shaped plate 20 outwards extends through bar hole 19.

The telescopic mechanism 21 includes a telescopic cylinder 211, a spring 212, and a telescopic rod 213. A spring 212 is fixed inside the telescopic cylinder 211, a telescopic rod 213 is fixed to the front end of the spring 212, and the telescopic rod 213 is slidably restricted by the telescopic cylinder 211.

The adjustment mechanism 18 includes a gear 181, a first rack 182, a rectangular block 183, a swivel 184, and a second rack 185. The upper side and the lower side of the gear 181 are respectively provided with a first rack 182 and a second rack 185, the first rack 182 and the second rack 185 are meshed with the gear 181, the outer sides of the first rack 182 and the second rack 185 are respectively fixed with a rectangular block 183, the rectangular block 183 is limited in the hollow plate 17 in a sliding manner, and the outer side of the rectangular block 183 is fixed with an L-shaped plate 20.

The working principle of the embodiment is as follows: when the projector is used, the projector 22 is placed at the upper end of the object placing plate 13, the clamping screw rods 16 at two sides are respectively rotated, the hollow plate 17 is in contact with the projector 22, and the projector 22 is clamped. The rotating hand 184 is rotated to drive the gear 181 to rotate, so that the first rack 182 and the second rack 185 are close to or far away from each other, the distance between the L-shaped plates 20 can be adjusted, the projector 22 is limited from the front side and the rear side, the projector 22 is prevented from sliding in the positioning adjustment process, and the fixing device can be suitable for fixing projectors of different sizes. After the projector 22 is fixed, the rotary ring 3 can be rotated to drive the thread cylinder 2 to rotate, and the position of the positioning screw rod 4 is adjusted, so that the inclination angle of the horizontal plate 9 is adjusted, and the vertical direction position of the projector 22 is changed. The object placing plate 13 is rotated, and the stopper 11 slides inside the circular groove 10, thereby changing the horizontal position projected by the projector 22.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a positioner for projecting apparatus, includes base (1), its characterized in that: the upper end of the base (1) is rotationally limited by a threaded cylinder (2), a rotating ring (3) is sleeved on the outer side of the threaded cylinder (2), a positioning screw rod (4) is screwed in the inner part of the threaded cylinder (2), a movable block (5) is fixed at the upper end of the positioning screw rod (4), a horizontal plate (9) is hinged at the upper end of the movable block (5), a sliding groove (7) is formed in the bottom end of the horizontal plate (9), a sliding block (8) is limited in the sliding groove (7), a supporting rod (6) is hinged at the bottom end of the sliding block (8), the bottom end of the supporting rod (6) is fixed with the base (1), a rotating shaft (12) is rotationally connected in the middle of the horizontal plate (9), a storage plate (13) is fixed at the top end of the rotating shaft (12), limiting blocks (11) are symmetrically fixed at the two sides of the bottom of the storage plate (13), a circular groove (10, the limiting block (11) is limited to the circular groove (10) in a sliding mode, the upper end of the storage plate (13) is symmetrically fixed with a vertical plate (15), the inside of the vertical plate (15) is connected with a clamping screw rod (16) in a threaded mode, the front end of the clamping screw rod (16) is provided with a hollow plate (17), the clamping screw rod (16) and the hollow plate (17) are abutted to each other, a telescopic mechanism (21) is fixed between the hollow plate (17) and the vertical plate (15), an adjusting mechanism (18) is arranged inside the hollow plate (17), strip-shaped holes (19) are symmetrically formed in the two sides of the hollow plate (17), L-shaped plates (20) are fixed to the two sides of the adjusting mechanism (18), and the L-shaped plates (20) extend outwards through the strip-shaped holes (19).

2. A positioning device for a projector according to claim 1, wherein: telescopic machanism (21) are including a flexible section of thick bamboo (211), spring (212) and telescopic link (213), the inside of a flexible section of thick bamboo (211) is fixed with spring (212), the front end of spring (212) is fixed with telescopic link (213), telescopic link (213) slip restriction in a flexible section of thick bamboo (211).

3. A positioning device for a projector according to claim 1, wherein: the adjusting mechanism (18) comprises a gear (181), a first rack (182), a rectangular block (183), a rotating handle (184) and a second rack (185), wherein the upper side and the lower side of the gear (181) are respectively provided with the first rack (182) and the second rack (185), the first rack (182) and the second rack (185) are respectively meshed with the gear (181), the rectangular block (183) is fixed on the outer sides of the first rack (182) and the second rack (185), the rectangular block (183) is limited in the hollow plate (17) in a sliding mode, and an L-shaped plate (20) is fixed on the outer side of the rectangular block (183).

4. A positioning device for a projector according to claim 1, wherein: the storage plate (13) is internally provided with a plurality of through holes (14).

5. A positioning device for a projector according to claim 1, wherein: a handle is fixed on the outer side of the clamping screw rod (16).

6. A positioning device for a projector according to claim 1, wherein: and a bearing is arranged inside the horizontal plate (9) and positioned outside the rotating shaft (12).