CN209943939U

CN209943939U - Novel projection hanger

Info

Publication number: CN209943939U
Application number: CN201920355666.7U
Authority: CN
Inventors: 田丹
Original assignee: Chengdu Juyi Technology Co Ltd
Current assignee: Chengdu Juyi Technology Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-01-14
Anticipated expiration: 2029-03-20

Abstract

The utility model discloses a novel projection gallows, include: the sliding device comprises a first support arm, a second support arm and a movable block; the first support arm and the second support arm are respectively provided with a sliding groove along the length direction, and the right-angle edge surface of the movable block is provided with a sliding block matched with the sliding groove; the first supporting arm is fixed through the movable block and vertically intersected with the second supporting arm; an opening is formed in the section of the bevel edge of the movable block, and a locking screw rod is inserted into the sliding block; the mounting bracket comprises a rotating seat and a mounting seat, the rotating seat is positioned at one end of the first supporting arm, a fixed seat with an I-shaped section is arranged on the surface of the top of the mounting seat, and the rotating seat is matched with the fixed seat through a central rotating hole; and a plurality of connecting arms are arranged at the bottom of the mounting seat. The utility model provides a novel projection gallows, its simple structure has characteristics such as adjust convenience, projection effect are good.

Description

Novel projection hanger

Technical Field

The utility model relates to a projection gallows technical field especially relates to a novel projection gallows.

Background

A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. At present, projectors are widely applied to the fields of teaching, office, home theater and the like, and are generally placed on a projector hanging frame which is fixed on a ceiling.

In prior art, this kind of gallows is unfavorable for the adjustment of projecting apparatus angle and position, and it is inconvenient to use, and under some circumstances, because gallows, building or projecting apparatus scheduling problem itself, probably need adjust the projection angle and the distance of projecting apparatus, current gallows can not realize such function, and this just produces certain influence to probably to the projection effect, and the projection effect is low.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

In order to solve the deficiencies of the prior art, the utility model provides a novel projection gallows, include:

the sliding device comprises a first supporting arm, a second supporting arm and a movable block; the first support arm and the second support arm are respectively provided with a sliding groove along the length direction; the top of the second supporting arm is detachably mounted on the mounting surface of the hanging bracket, the movable block is of an equilateral right-angled triangle structure, and the right-angled side surface of the movable block is provided with a sliding block matched with the sliding groove; the first supporting arm is fixed through the movable block and vertically intersected with the second supporting arm; an opening is formed in the section of the bevel edge of the movable block, a locking screw rod is inserted into the sliding block in a penetrating manner, and the end of the locking screw rod is positioned in the opening of the sliding block;

the mounting bracket comprises a rotating seat and a mounting seat, the rotating seat is positioned at one end of the first supporting arm, a fixed seat with an I-shaped section is arranged on the surface of the top of the mounting seat, the rotating seat is matched with the fixed seat through a central rotating hole, the rotating seat is provided with a plurality of first fixing screw holes which are uniformly arranged around the rotating hole, the corresponding positions of the upper end and the lower end of the fixed seat are provided with second fixing screw holes, and a fixing bolt penetrates through the first fixing screw holes and the second fixing screw holes to realize fixing; and a plurality of connecting arms are arranged at the bottom of the mounting seat.

Preferably, the top of the second support arm is provided with a mounting plate with an area larger than that of the top surface of the second support arm, a plurality of mounting holes are formed in the periphery of the surface of the mounting plate, and expansion bolts penetrate through the mounting holes to be fixed on the mounting surface of the hanging bracket.

Preferably, the inner walls of the two sides of the sliding groove are provided with balls.

Preferably, the surfaces of the first support arm, the second support arm and the movable block are coated with a layer of anti-corrosion film made of neutral resin material.

The utility model discloses at least, include following beneficial effect: the novel projection hanging bracket is simple in structure and easy to install and use, the projector is fixed by the mounting seat of the mounting bracket through the connecting arm, and the mounting bracket can move up and down and back and forth through the sliding device, so that the projector can obtain a better projection effect; the rotation hole through rotating the seat makes the projecting apparatus can realize rotating in the horizontal direction with the fixing base cooperation at mount pad top, is convenient for adjust the projecting apparatus in the angle of level to, and adjusts the convenience, is favorable to realizing the regulation of projecting apparatus in all directions, is convenient for gain more excellent projection effect, reinforcing suitability.

Drawings

Fig. 1 is a schematic view of the novel projection hanger structure of the present invention.

Fig. 2 is a schematic structural diagram of the first support arm and the second support arm of the present invention.

Reference numerals: 1-first support arm, 2-second support arm, 3-movable block, 31-sliding block, 4-sliding groove, 5-locking screw rod, 6-rotating seat, 61-rotating hole, 62-first fixing screw hole, 7-mounting seat, 8-fixing seat, 82-second fixing screw hole, 9-fixing bolt, 10-connecting arm and 11-mounting plate.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 ~ 2 shows a novel projection hanger of the present invention, including:

the sliding device comprises a first supporting arm 1, a second supporting arm 2 and a movable block 3; the supporting arm I1 and the supporting arm II 2 are respectively provided with a sliding groove 4 along the length direction; the top of the second supporting arm 2 is detachably mounted on the mounting surface of the hanging bracket, the movable block 3 is in an equilateral right-angled triangle structure, and a sliding block 31 matched with the sliding groove 4 is arranged on the surface of the right-angled side of the movable block 3; the supporting arm I1 is fixed through the movable block 3 and is vertically intersected with the supporting arm II 2; an opening is formed in the section of the bevel edge of the movable block 3, a locking screw 5 is inserted into the sliding block 31, and the end of the locking screw 5 is positioned in the opening of the sliding block 31;

the mounting bracket comprises a rotating seat 6 and a mounting seat 7, the rotating seat 6 is positioned at one end of the supporting arm I1, a fixing seat 8 with an I-shaped section is arranged on the surface of the top of the mounting seat 7, the rotating seat 6 is matched with the fixing seat 8 through a central rotating hole 61, the rotating seat 6 is provided with a plurality of fixing screw holes I62 which are uniformly arranged around the rotating hole 61, fixing screw holes II 82 are formed in corresponding positions of the upper end and the lower end of the fixing seat 8, and the fixing bolt 9 penetrates through the fixing screw holes I62 and the fixing screw holes II 82 to realize fixation; the bottom of the mounting seat 7 is provided with a plurality of connecting arms 10.

In the technical scheme, the novel projection hanging bracket is simple in structure and easy to install and use, the projector is fixed by the mounting seat 7 of the mounting bracket through the connecting arm 10, the mounting bracket can move up and down and back and forth through the sliding device, the projector can obtain a better projection effect, the position of the projector is adjusted by sliding the movable block 3, the projector can move up and down and back and forth, and the sliding block 31 is abutted against the inner wall of the sliding groove 4 by adjusting the locking screw 5 to keep fixing the position of the mounting bracket; the rotating hole 61 of the rotating seat 6 is matched with the fixed seat 8, and the upper end and the lower end of the fixed seat 8 respectively support the top and the bottom of the rotating seat 6, so that the mounting seat 7 can rotate in the horizontal direction, the angle of the projector in the horizontal direction can be conveniently adjusted, the adjustment of the projector in each direction can be conveniently realized, and a better projection effect can be conveniently obtained; when the horizontal angle of the projector needs to be adjusted, the fixing bolt 9 is taken out, the mounting base 7 is rotated to drive the projector to rotate to a required position, the fixing bolt 9 is inserted into the second fixing screw hole 82 and the first fixing screw hole 62 corresponding to the second fixing screw hole to realize fixing, and the operation is simple and convenient.

In another example, the top of the second supporting arm 2 is provided with an installation plate 11 with an area larger than that of the top surface of the second supporting arm 2, the periphery of the surface of the installation plate 11 is provided with a plurality of installation holes, and expansion bolts penetrate through the installation holes to reach the installation surface of the hanging bracket to realize fixation. By adopting the scheme, the second supporting arm 2 is firmly fixed and is convenient to disassemble.

In another example, the inner walls of the sliding groove 4 are provided with balls. With this arrangement, the sliding of the slide block 31 is facilitated.

In another example, the surfaces of the first support arm 1, the second support arm 2 and the movable block 3 are coated with a corrosion-resistant film made of a neutral resin material. By adopting the scheme, the sliding device is prevented from being corroded, and the adjustment operation of the sliding device is further ensured to be effectively implemented.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A novel projection gallows, its characterized in that includes:

the sliding device comprises a first supporting arm (1), a second supporting arm (2) and a movable block (3); the first supporting arm (1) and the second supporting arm (2) are respectively provided with a sliding groove (4) along the length direction; the top of the second supporting arm (2) is detachably mounted on the mounting surface of the hanging bracket, the movable block (3) is of an equilateral right-angled triangle structure, and a sliding block (31) matched with the sliding groove (4) is arranged on the surface of the right-angled side of the movable block (3); the supporting arm I (1) is fixed through the movable block (3) and is vertically intersected with the supporting arm II (2); an opening is formed in the section of the bevel edge of the movable block (3), a locking screw rod (5) is inserted into the sliding block (31), and the end of the locking screw rod (5) is positioned in the opening of the sliding block (31);

the mounting bracket is connected with the sliding device and comprises a rotating seat (6) and a mounting seat (7), the rotating seat (6) is located at one end of the first supporting arm (1), a fixing seat (8) with an I-shaped cross section is arranged on the surface of the top of the mounting seat (7), the rotating seat (6) is matched with the fixing seat (8) through a central rotating hole (61), the rotating seat (6) is provided with a plurality of fixing screw holes I (62) which are uniformly arranged around the rotating hole (61), fixing screw holes II (82) are formed in the corresponding positions of the upper end and the lower end of the fixing seat (8), and a fixing bolt (9) penetrates through the fixing screw holes I (62) to be fixed with the fixing screw holes II (82); the bottom of the mounting seat (7) is provided with a plurality of connecting arms (10).

2. The novel projection hanging bracket as claimed in claim 1, wherein the top of the second supporting arm (2) is provided with a mounting plate (11) with an area larger than that of the top surface of the second supporting arm (2), the surface of the mounting plate (11) is provided with a plurality of mounting holes, and expansion bolts pass through the mounting holes to be fixed on the mounting surface of the hanging bracket.

3. The novel projection hanger as claimed in claim 1, wherein balls are mounted on the inner walls of both sides of the sliding groove (4).

4. The novel projection hanger bracket as claimed in claim 1, wherein the surfaces of the first support arm (1), the second support arm (2) and the movable block (3) are coated with a corrosion-resistant film made of a neutral resin material.