CN212178362U

CN212178362U - Projecting apparatus support convenient to adjust

Info

Publication number: CN212178362U
Application number: CN202020876426.4U
Authority: CN
Inventors: 叶俊丰; 李金明; 潘云霞
Original assignee: Anhui Laikeduo Education Technology Co ltd
Current assignee: Anhui Laikeduo Education Technology Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-18
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a projecting apparatus support convenient to adjust, including the U-shaped frame, the lower extreme of U-shaped frame is provided with the fixed plate, the inside of fixed plate is run through there is the pivot, the lower extreme of U-shaped frame is erecting and is being provided with the cylinder chamber, the upper end in cylinder chamber is provided with the round hole, the round hole communicates with each other with the cylinder chamber, the tip embedding of pivot is in the inside of round hole, the outside embedding of pivot has the dull polish lantern ring, the inside embedding in cylinder chamber has the dog, a spring, the screw thread kicking block, the both ends of spring respectively with the dog, screw thread kicking block butt, the lower terminal surface of screw thread kicking block is connected with hand and twists the swing arm, the upper end of dog is connected with dull polish damping piece, dull polish damping piece and dull polish lantern ring butt, the outside of screw thread kick. The projector bracket is convenient to use and adjust the angle.

Description

Projecting apparatus support convenient to adjust

Technical Field

The utility model belongs to the technical field of the projecting apparatus technique and specifically relates to a projecting apparatus support convenient to adjust is related to.

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 applied to families, offices, schools and entertainment places at present, and are widely applied to meetings according to different working modes, such as different types of CRT, LCD, DLP and the like.

The projector needs to be matched with the size of the projection screen to adjust the projection angle in different occasions so as to achieve a better projection effect. Most of the existing projector supports only play a role in fixing the projector, the projection angle is not adjustable, and the projection angle needs to be finely adjusted under the influence of external factors and aging and vibration of parts of the projector after long-time use so as to achieve the best projection effect. In addition, the projection angle sometimes needs to be changed frequently for some special occasions. There is therefore a need for a projector mount that is easy to adjust.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a projecting apparatus support convenient to adjust.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a projector bracket convenient for adjustment comprises a U-shaped frame, a fixing plate is arranged at the lower end of the U-shaped frame, a rotating shaft penetrates through the fixing plate, a cylindrical cavity is vertically arranged at the lower end of the U-shaped frame, the upper end of the cylindrical cavity is provided with a round hole which is communicated with the cylindrical cavity, the end part of the rotating shaft is embedded in the round hole, a frosted lantern ring is embedded outside the rotating shaft, a stop block, a spring and a thread top block are embedded inside the cylindrical cavity, two ends of the spring are respectively abutted against the stop block and the thread top block, the lower end surface of the thread top block is connected with a hand-screwing rod, the upper end of the stop block is connected with a frosted damping block which is abutted against the frosted lantern ring, the external portion of screw thread kicking block is provided with the external screw thread, be provided with the internal thread on the downside inner wall in cylinder chamber, the internal thread with external screw thread looks adaptation.

Preferably, the projector support which is convenient to adjust is characterized in that the stop block is connected with the cylindrical cavity in a sliding mode.

Preferably, in the projector support convenient to adjust, the frosted lantern ring is movably connected with the inner wall of the circular hole.

Preferably, in the projector support convenient to adjust, a rotating collar is fixed to the top of the U-shaped frame, a rotating block is embedded in the rotating collar, the rotating block is radially and movably connected with the rotating collar, and a top fixing rod is fixed to the upper end face of the rotating block.

Preferably, the projector support convenient to adjust is provided with a threaded hole in the side of the rotating collar, a hand bolt is embedded in the threaded hole, and the end of the hand bolt is suitable for abutting against the rotating block.

Preferably, the projector support is convenient to adjust, wherein the hand-screw rod is perpendicular to the rotating shaft.

The utility model has the advantages that: when using this projecting apparatus support, when the angle of illumination that needs adjust the projecting apparatus in vertical direction, can direct manual rotation fixed plate, can rotate when the torsion that the staff given is greater than the frictional force between dull polish damping piece and the dull polish lantern ring, it is convenient to adjust. The hand twisting rotary rod can adjust the torque force required by the hand to rotate the fixing plate, and can be adjusted to a proper hand feeling state according to the condition. The fixing plate can be directly rotated when the angle is adjusted in the future. When the horizontal projection angle of the projector needs to be adjusted, the hand-screwed bolt is loosened, and the projector is screwed again after the adjustment is finished. The projector bracket is convenient to use and adjust the angle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a side view of the U-shaped frame.

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

1. fixed plate, 2, projecting apparatus, 3, U-shaped frame, 4, rotatory lantern ring, 5, top dead lever, 6, hand screw bolt, 7, dog, 8, dull polish damping piece, 9, hand screw swing pole, 10, screw thread kicking block, 11, cylinder chamber, 12, internal thread, 13, spring, 14, round hole, 15, pivot, 16, dull polish lantern ring, 17, rotatory piece.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, a projector support convenient to adjust comprises a U-shaped frame 3, a fixing plate 1 is arranged at the lower end of the U-shaped frame 3, the fixing plate 1 is used for installing a projector 2, and bolts are fixed by installing bolts at the bottom of the fixing plate 1 and the bottom of the projector 2 and penetrate through preset holes in the fixing plate 1. A rotating shaft 15 penetrates through the fixing plate 1, and the fixing plate 1 is fixedly connected with the rotating shaft 15. The lower end of the U-shaped frame 3 is vertically provided with a cylindrical cavity 11, the upper end of the cylindrical cavity 11 is provided with a round hole 14, the round hole 14 is communicated with the cylindrical cavity 11, and the end part of the rotating shaft 15 is embedded in the round hole 14. A sanding lantern ring 16 is embedded outside the rotating shaft 15, and the rotating shaft 15 is fixedly connected with the sanding lantern ring 16. The sanding collar 16 is movably connected to the inner wall of the circular hole 14.

As shown in fig. 1, 2 and 3, a stopper 7, a spring 13 and a threaded top block 10 are embedded in the cylindrical cavity 11, and the stopper 7 is slidably connected with the cylindrical cavity 11. Both ends of the spring 13 are respectively abutted against the stopper 7 and the screw top block 10. The upper end of the stop block 7 is connected with a sanding damping block 8, and the sanding damping block 8 is abutted to a sanding lantern ring 16. The lower terminal surface of screw thread kicking block 10 is connected with hand and twists pole 9, and the outside of screw thread kicking block 10 is provided with the external screw thread, is provided with internal thread 12 on the downside inner wall of cylinder chamber 11, internal thread 12 and external screw thread looks adaptation. The hand-screw rod 9 is perpendicular to the rotating shaft 15. The pressure of the spring 13 on the stop block 7 is adjusted by rotating the hand screwing rotary rod 9, meanwhile, the pressure of the sanding damping block 8 on the sanding lantern ring 16 is changed, and after the pressure of the sanding damping block 8 on the sanding lantern ring 16 is changed, the friction force between the sanding damping block and the sanding lantern ring during relative rotation is also changed. The frosted lantern ring 16 and the rotating shaft 15 do not rotate under the condition of not receiving external force, when the irradiation angle of the projector is required to be adjusted in the vertical direction, the fixing plate 1 can be directly and manually rotated, and when the torsion given by a hand of a person is greater than the friction force between the frosted damping block 8 and the frosted lantern ring 16, the fixing plate can be rotated, and the adjustment is convenient. The hand twisting rotary rod 9 can adjust the torque force required when the hand rotates the fixing plate 1, and can be adjusted to a proper hand feeling state according to the condition. The fixing plate 1 can be directly rotated when the angle is adjusted at each subsequent time.

As shown in fig. 1 and 3, a rotating lantern ring 4 is fixed at the top of the U-shaped frame 3, a rotating block 17 is embedded in the rotating lantern ring 4, the rotating block 17 is radially and movably connected with the rotating lantern ring 4, a top fixing rod 5 is fixed on the upper end face of the rotating block 17, and the top fixing rod 5 is used for fixing the whole support. The side of the rotary lantern ring 4 is provided with a threaded hole, a hand-screwed bolt 6 is embedded in the threaded hole, and the end part of the hand-screwed bolt 6 is suitable for being abutted to the rotary block 17. When the horizontal projection angle of the projector 2 needs to be adjusted, the hand-screwed bolt is loosened, and the hand-screwed bolt is screwed again after the adjustment is finished.

When using this projecting apparatus support, when the illumination angle of needs regulation projecting apparatus in vertical direction, can direct manual rotation fixed plate 1, can rotate when the torsion that the people's hand given is greater than the frictional force between dull polish damping piece 8 and the dull polish lantern ring 16, it is convenient to adjust. The hand twisting rotary rod 9 can adjust the torque force required when the hand rotates the fixing plate 1, and can be adjusted to a proper hand feeling state according to the condition. The fixing plate 1 can be directly rotated when the angle is adjusted at each subsequent time. When the horizontal projection angle of the projector 2 needs to be adjusted, the hand-screwed bolt is loosened, and the hand-screwed bolt is screwed again after the adjustment is finished. The projector bracket is convenient to use and adjust the angle.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a projecting apparatus support convenient to adjust which characterized in that: the grinding device comprises a U-shaped frame (3), a fixing plate (1) is arranged at the lower end of the U-shaped frame (3), a rotating shaft (15) penetrates through the fixing plate (1), a cylindrical cavity (11) is vertically arranged at the lower end of the U-shaped frame (3), a round hole (14) is formed in the upper end of the cylindrical cavity (11), the round hole (14) is communicated with the cylindrical cavity (11), the end portion of the rotating shaft (15) is embedded into the round hole (14), a grinding lantern ring (16) is embedded into the outer portion of the rotating shaft (15), a stop block (7), a spring (13) and a thread top block (10) are embedded into the cylindrical cavity (11), two ends of the spring (13) are respectively abutted against the stop block (7) and the thread top block (10), a hand-screwing rod (9) is connected to the lower end face of the thread top block (10), a damping block (8) is connected to the upper end of the stop block (7), dull polish damping block (8) with dull polish lantern ring (16) butt, the outside of screw thread kicking block (10) is provided with the external screw thread, be provided with on the downside inner wall of cylinder chamber (11) internal thread (12), internal thread (12) with external screw thread looks adaptation.

2. The adjustable projector mount of claim 1 wherein: the stop block (7) is in sliding connection with the cylindrical cavity (11).

3. The adjustable projector mount of claim 1 wherein: the sanding lantern ring (16) is movably connected with the inner wall of the round hole (14).

4. The adjustable projector mount of claim 1 wherein: the top of U-shaped frame (3) is fixed with rotatory lantern ring (4), the inside embedding of rotatory lantern ring (4) has rotatory piece (17), rotatory piece (17) with rotatory lantern ring (4) radial swing joint, the up end of rotatory piece (17) is fixed with top dead lever (5).

5. The adjustable projector mount of claim 4 wherein: the side of rotatory lantern ring (4) is provided with the screw hole, the inside embedding of screw hole has hand screwed bolt (6), the tip of hand screwed bolt (6) be suitable for with rotatory piece (17) butt.

6. The adjustable projector mount of claim 1 wherein: the hand-twisting rotary rod (9) is perpendicular to the rotating shaft (15).