CN220647315U - Projection bracket - Google Patents

Abstract

A projection bracket belongs to the field of projector brackets. The novel lifting rotary adjusting table comprises three supporting legs at least hinged to the bottom of the lifting rotary adjusting table, a through hole is formed in the center of the lifting rotary adjusting table, a cylinder is installed in the through hole, the side wall is in sliding fit with the inside of the through hole, a locking bolt is in threaded fit with the lifting rotary adjusting table, the bottom of the locking bolt is tightly fit with the side wall of the cylinder, a rotary table is installed at the top of the cylinder, an angle adjusting device is installed at the top of the rotary table, a placing platform is installed at the top of the angle adjusting device, a rubber anti-slip pad is attached to the top of the placing platform, a platform surrounding block is arranged on the placing platform, a handle is arranged on one side of the placing platform, and a plurality of heat dissipation through holes are formed in the placing platform. The problem that the pitching angle of the projector cannot be further adjusted by the existing projection support, operation is inconvenient, and meanwhile the requirement on the levelness of the supporting ground is high is solved, the angle and the height of the placing platform can be adjusted, so that the angle and the height of the placing platform can be flexibly adjusted according to the service conditions of different projection instruments, and the device is more practical.

Description

Projection bracket

Technical Field

The utility model relates to a projection bracket, and belongs to the field of projector brackets.

Background

The projector is a device capable of projecting images or videos onto a curtain, corresponding video signals can be played through different interfaces and connected with a computer, VCD, DVD, BD, a game machine, DV and the like, projection is often used as an auxiliary use in various meeting occasions and the like, at present, the projector is usually placed on a table or hung on a roof of a meeting room for use, the placement position is single, the flexible requirements of temporary use in different occasions and indoor environments cannot be met, and the projector is not flexible, so that the projector bracket capable of being stored and carried is a projector bracket disclosed in patent number CN108775485A or patent number CN205896601U, although the projector bracket can be flexibly carried and the projection height of the projector can be adjusted, but the bracket cannot further adjust the pitching angle of the projector, when the pitching angle of the projector is adjusted, the projector can be repeatedly lifted up to adjust the bottom of the projector only by means of adjusting the front-back height difference of the projector, the projector is inconvenient to operate, and the levelness requirement of the projector for supporting the ground is high at the same time.

Therefore, a new projection bracket is needed to solve the above technical problems.

Disclosure of Invention

The utility model is developed to solve the problem that the existing projection bracket cannot further adjust the pitching angle of a projector, and when the pitching angle of the projector is adjusted, the projector can be repeatedly lifted to adjust the bottom of the projector only by adjusting the front-rear height difference of the supporting legs of the projector, so that the operation is inconvenient, and the requirement on the levelness of the supporting ground is high. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.

The technical scheme of the utility model is as follows:

the utility model provides a projection support, including the landing leg, lift rotation control platform, the carousel, the cylinder, angle adjusting device, a platform, rubber slipmat, the platform encloses fender and locking bolt, lift rotation control platform bottom articulates at least has three landing leg, at least three landing leg is even circumference form distribution, lift rotation control platform center department processing has the through-hole, the cylinder is installed in the through-hole, and the inside slip laminating of lateral wall and through-hole, locking bolt and lift rotation control platform screw-thread fit, and locking bolt bottom and cylinder lateral wall closely laminate, the carousel is installed at the cylinder top, angle adjusting device is installed at the carousel top, angle adjusting device installs at the top, the platform top is attached to the rubber slipmat, the platform top is encircleed all around and is arranged the platform and encloses the fender, a plurality of heat dissipation through-holes have been seted up on the platform.

Preferably: the vertical height of the platform enclosure is 8-15mm.

Preferably: and anti-skid patterns are processed on the side wall of the cylinder.

Preferably: a handle is arranged on one side of the placing platform.

Preferably: the angle adjusting device comprises a mounting seat, a fixing bolt and a rotating column, wherein an arc-shaped chute is formed in the mounting seat, a ball part is arranged at the bottom of the rotating column, the ball part is slidably matched in the arc-shaped chute, a placing platform is arranged at the top of the rotating column, an adjusting gap is formed in the mounting seat in a penetrating mode, a fixing through hole is formed in the mounting seat perpendicular to the adjusting gap, and the fixing bolt is arranged on the fixing through hole.

Preferably: the bottom of the supporting leg is provided with an anti-skid rubber sleeve.

The utility model has the following beneficial effects:

1. the projection bracket can be stored and folded, has lighter overall weight, is convenient to carry and transport, and is more convenient to use;

2. according to the projection bracket, the angle and the height of the placement platform can be adjusted so as to flexibly adjust the use conditions of different projection instruments, and the device has more practicability;

3. according to the projection bracket, the angle adjusting device is arranged, so that when the projection bracket is used, the placement platform can be leveled according to different ground environments and conditions, measurement is more accurate and convenient, and measurement efficiency and quality are improved;

4. according to the projection bracket, the anti-skid rubber sleeve at the bottom of the supporting leg can realize an anti-skid stable effect and can ensure stability;

5. the projection bracket provided by the utility model has the advantages of simple structure, ingenious design and convenience in carrying, and is suitable for popularization and use.

Drawings

FIG. 1 is a perspective view of a projection bracket;

FIG. 2 is a schematic view of an angle adjusting device of a projection bracket;

FIG. 3 is a schematic view of a structure of a lifting and rotating adjusting table of a projection bracket;

in the figure, the support leg comprises a 1-support leg, a 2-lifting rotary adjusting table, a 3-turntable, a 4-cylinder, a 5-angle adjusting device, a 6-placing platform, a 7-locking bolt, an 8-handle, a 21-through hole, a 51-mounting seat, a 52-locking bolt, a 53-rotating column, a 54-arc-shaped chute, a 55-spherical part, a 56-adjusting gap, a 57-fixing through hole, a 61-rubber anti-skid pad and a 62-platform enclosing shield.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The connection mentioned in the utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection is a conventional fixed connection mode such as a non-detachable connection including but not limited to a hemmed connection, a rivet connection, an adhesive connection, a welded connection and the like, the detachable connection is a conventional detachable mode such as a threaded connection, a snap connection, a pin connection, a hinge connection and the like, and when a specific connection mode is not limited explicitly, at least one connection mode can be found in the conventional connection mode by default, so that the function can be realized, and a person skilled in the art can select the device according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection.

The first embodiment is as follows: the embodiment is described by combining fig. 1-3, a projection bracket of the embodiment comprises supporting legs 1, a lifting rotary adjusting table 2, a turntable 3, a cylinder 4, an angle adjusting device 5, a placing platform 6, a rubber anti-slip pad 61, a platform enclosing block 62 and a locking bolt 7, wherein at least three supporting legs 1 are hinged to the bottom of the lifting rotary adjusting table 2, at least three supporting legs are distributed in a uniform circumference shape, a through hole 21 is machined at the center of the lifting rotary adjusting table 2, the cylinder 4 is slidably mounted in the through hole 21, the locking bolt 7 is in threaded fit with the lifting rotary adjusting table 2, the bottom of the locking bolt 7 is tightly attached to the side wall of the cylinder 4, the turntable 3 is mounted at the top of the cylinder 4, the angle adjusting device 5 is mounted at the top of the turntable 3, the top of the angle adjusting device 5 is provided with a placing platform 6, the manual rotary turntable 3 can realize adjustment of the angle in the horizontal direction, the manual turntable 3 is lifted longitudinally in the through hole 21, after reaching a designated height, the locking bolt 7 is screwed, the bottom of the cylinder 4, the through hole 21 and the locking bolt 7 are tightly attached to the bottom of the locking bolt 7, the relative locking for realizing the height adjustment, the angle adjusting device 5 can realize the angle of the space position, the placing platform 6 is attached to the turntable 6, the turntable 6 is surrounded by the rubber anti-slip pad 6, the heat dissipation platform is arranged around the through hole 6, the heat dissipation platform is arranged around the side 6, the heat dissipation platform is placed around the heat dissipation platform is provided with a plurality of the heat dissipation platform, the heat dissipation platform is placed around the heat dissipation platform is placed by the heat dissipation platform, and the heat dissipation platform is placed by the heat dissipation platform, and the heat has the heat dissipation platform.

The vertical height of the platform fence 62 is 8-15mm, and the purpose of the arrangement is that the projection effect and the heat dissipation effect are not shielded while the fence function is played.

The side wall of the cylinder 4 is provided with anti-skid patterns, so that the locking effect of the locking bolt 7 is enhanced.

The angle adjusting device 5 comprises a mounting seat 51, a fixing bolt 52 and a rotating column 53, wherein an arc-shaped chute 54 is formed in the mounting seat 51, a ball part 55 is arranged at the bottom of the rotating column 53, the ball part 55 is in sliding fit in the arc-shaped chute 54, a placing platform 6 is arranged at the top of the rotating column 53, an adjusting gap 56 is formed in the mounting seat 51 in a penetrating mode, a fixing through hole 57 is formed in the mounting seat 51 perpendicular to the adjusting gap 56, the fixing bolt 52 is arranged on the fixing through hole 57, when the fixing bolt 52 is screwed, the mounting seat 51 clamps the ball part 55 in the arc-shaped chute 54, relative fixation is achieved, and meanwhile angle adjustment is achieved.

The bottom of the supporting leg 1 is provided with an anti-skid rubber sleeve, so that relative stability is realized.

A projection bracket comprises the following steps:

step 1, unfolding a supporting leg 1, placing the supporting leg 1 on the ground, and adjusting the angle of the supporting leg 1 to reach a relatively proper height position;

step 2, fixing the projector on the placement platform 6;

step 3, holding the handle 8, lifting and rotating the placing platform 6 to reach a specified height and angle direction, and screwing the locking bolt 7 by the other hand to realize the relative fixation of the turntable 3 and the cylinder 4;

step 4, the projector projects images are observed, the placement platform 6 is adjusted in a pitching mode at multiple angles at the same time, after adjustment is finished,

the fixing bolts 52 are screwed down to complete the placement and adjustment of the projection bracket.

It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present utility model does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by the present utility model.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and the present utility model is applicable to various conferences, explanations, classrooms, city planning exhibitions, etc., and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. A projection bracket, characterized in that: including landing leg (1), lift rotation control platform (2), carousel (3), cylinder (4), angle adjusting device (5), place platform (6), rubber slipmat (61), platform enclose fender (62) and locking bolt (7), lift rotation control platform (2) bottom articulates at least three landing leg (1), lift rotation control platform (2) center department processing has through-hole (21), cylinder (4) slidable mounting is in through-hole (21), locking bolt (7) and lift rotation control platform (2) screw-thread fit, and locking bolt (7) bottom closely laminate with cylinder (4) lateral wall, carousel (3) are installed at cylinder (4) top, angle adjusting device (5) are installed at carousel (3) top, place platform (6) top is attached to rubber slipmat (61), place platform (6) top all around and have been arranged platform and enclose fender (62), place platform (6) one side is provided with handle (8), a plurality of heat dissipation through-holes have been seted up on place platform (6).

2. A projection bracket according to claim 1, wherein: the vertical height of the platform enclosure (62) is 8-15mm.

3. A projection bracket according to claim 2, wherein: the angle adjusting device (5) comprises a mounting seat (51), a fixing bolt (52) and a rotating column (53), wherein an arc-shaped chute (54) is formed in the mounting seat (51), a round ball part (55) is formed in the bottom of the rotating column (53), the round ball part (55) is in sliding fit in the arc-shaped chute (54), a placing platform (6) is arranged at the top of the rotating column (53), an adjusting gap (56) is formed in the mounting seat (51) in a penetrating mode, a fixing through hole (57) is formed in the mounting seat (51) perpendicular to the adjusting gap (56), and the fixing bolt (52) is arranged on the fixing through hole (57).

4. A projection bracket according to claim 3, wherein: and anti-skid patterns are processed on the side wall of the cylinder (4).

5. A projection bracket according to claim 4, wherein: the bottom of the supporting leg (1) is provided with an anti-skid rubber sleeve.