CN210567246U

CN210567246U - A projector that is easy to adjust the projection angle

Info

Publication number: CN210567246U
Application number: CN201921681672.8U
Authority: CN
Inventors: 崔丽丽
Original assignee: Tianjin Liying Technology Co Ltd
Current assignee: Beijing Xinhangtu Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-19
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a projector convenient to adjust projection angle, including the connecting rod, the bottom mounting of connecting rod is provided with the fixed plate, the fixed mounting bracket that is provided with in middle part of fixed plate upper surface, the lower fixed surface at mounting bracket middle part is provided with servo motor, servo motor's output group end fixing is provided with the dwang. The utility model discloses a set up servo motor, the dwang, mounting panel and trace, make servo motor pass through the dwang and drive the mounting panel and rotate, the mounting panel utilizes the trace to drive projector body level and rotates, thereby the convenience is adjusted the horizontal projection angle of projector body, still through setting up positive and negative motor and trace, make positive and negative motor drive the movable rod to connect the rope to twine the release, it drives round bar horizontal migration to connect the rope, the round bar utilizes the turning block and articulates the seat and drives the trace and take place the angular migration, thereby conveniently adjust the vertical projection angle of projector body, excellent in use effect.

Description

Projector convenient to adjust projection angle

Technical Field

The utility model relates to a projector technical field specifically is a projector convenient to adjust projection angle.

Background

The projector is also called as a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places at present, and has different types such as CRT, LCD, DLP and the like according to different working modes, the projector is directly placed on a desktop and is also fixedly installed at the top of a house;

the conventional apparatus has the following disadvantages:

at present, for the projectors fixedly installed at the top of a house, the projection angle can be adjusted manually by means of tools such as a ladder stand, certain dangerousness exists, the angle adjustment of the projector is inconvenient, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projector convenient to adjust projection angle to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a projector convenient for adjusting a projection angle comprises a connecting rod, wherein a fixed plate is fixedly arranged at the bottom end of the connecting rod, a mounting frame is fixedly arranged at the middle part of the upper surface of the fixed plate, a servo motor is fixedly arranged at the lower surface of the middle part of the mounting frame, a rotating rod is fixedly arranged at the end part of an output group of the servo motor, the bottom end of the rotating rod penetrates through and extends to the bottom of the fixed plate, a mounting plate is fixedly arranged at the bottom end of the rotating rod, a supporting mechanism is arranged between the mounting plate and the fixed plate, movable cavities are respectively formed at two ends of the mounting plate, rollers are movably arranged in the movable cavities, the number of the rollers is two, the two rollers are respectively and rotatably connected with two ends of a round rod through bearings, an interlocking rod is fixedly arranged at the lower surface of, the bottom of trace runs through the inside of removing the hole and fixedly is provided with the turning block, the surface activity of turning block is provided with articulated seat, the lower fixed surface of articulated seat is provided with the projector body, the inside of mounting panel is provided with actuating mechanism.

Preferably, the supporting mechanism includes the spacing chamber of annular, the bottom at the fixed plate is seted up in the spacing chamber of annular, the top activity of the spacing intracavity portion of annular is provided with the stopper, the lower fixed surface of stopper is provided with the bracing piece, the bottom of bracing piece runs through the inside in the spacing chamber of annular and extends to the lower surface of fixed plate, the bottom of bracing piece is connected with the last fixed surface of mounting panel.

Preferably, the inside of the annular limiting cavity is communicated with the outside of the bottom of the fixing plate, and the width of the bottom of the inside of the annular limiting cavity is smaller than that of the limiting block.

Preferably, the number of the movable cavities and the number of the linkage rods are two, and the two linkage rods are axially symmetrically arranged relative to the vertical central axis of the projector body.

Preferably, actuating mechanism includes the installation cavity, the middle part at the mounting panel is seted up to the installation cavity, the fixed positive and negative motor that is provided with in the inside back of installation cavity, the fixed movable rod that is provided with of output shaft end of positive and negative motor, the fixed bearing that is provided with in the inside front of installation cavity, the inner wall of bearing and the one end fixed connection of movable rod, the fixed surface of movable rod is provided with the connection rope, the one end that the movable rod was kept away from to the connection rope is connected with the fixed surface of round bar, the round bar is kept away from the fixed reset spring that is provided with in a side of connecting the rope, reset spring keeps away from the one end of round bar and the inner wall fixed connection in.

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

1. the utility model discloses a set up servo motor, dwang, mounting panel and trace, make servo motor drive the mounting panel through the dwang and rotate, the mounting panel utilizes the trace to drive projector body horizontal rotation, thereby conveniently adjust the horizontal projection angle of projector body, still through setting up positive and negative motor, the movable rod, connect rope, round bar and trace, make positive and negative motor drive the movable rod and twine the release to connecting the rope, the connecting rope drives the round bar horizontal migration, the round bar utilizes turning block and articulated seat to drive the trace and take place the angular migration, thereby conveniently adjust the vertical projection angle of projector body, the result of use is better;

2. the utility model discloses a set up the spacing chamber of annular, stopper and bracing piece, make the spacing chamber of annular carry on spacing fixed to the stopper, thereby support fixedly to the mounting panel through the bracing piece, make placing of mounting panel more firm, still through setting up movable chamber, the gyro wheel, the trace and remove the hole, it is spacing to the gyro wheel through movable chamber, it is spacing to remove the hole to the trace, thereby make the round bar can only horizontal migration, can not take place the offset, still through setting up reset spring, conveniently drive the round bar and reset, be convenient for reset the operation to the projector body, and is simple to use swift.

Drawings

Fig. 1 is a front view of the overall structure of a projector convenient for adjusting the projection angle according to the present invention;

FIG. 2 is a front sectional view of the projector according to the present invention, with the projection angle being easily adjusted;

fig. 3 is a sectional view of the movable cavity structure of the projector convenient for adjusting the projection angle.

In the figure: 1. a connecting rod; 2. a fixing plate; 3. a mounting frame; 4. a servo motor; 5. rotating the rod; 6. mounting a plate; 7. an annular limiting cavity; 8. a limiting block; 9. a support bar; 10. a movable cavity; 11. a roller; 12. a round bar; 13. a linkage rod; 14. moving the hole; 15. rotating the block; 16. a hinged seat; 17. a projector body; 18. a mounting cavity; 19. a positive and negative motor; 20. a movable rod; 21. a bearing; 22. connecting ropes; 23. a return spring.

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

Referring to fig. 1-3, the present invention provides a technical solution: a projector convenient for adjusting a projection angle comprises a connecting rod 1, wherein a fixed plate 2 is fixedly connected to the bottom end of the connecting rod 1, a mounting frame 3 is fixedly mounted in the middle of the upper surface of the fixed plate 2, a servo motor 4 is fixedly mounted on the lower surface of the middle of the mounting frame 3, a rotating rod 5 is fixedly connected to the end portion of an output group of the servo motor 4, the bottom end of the rotating rod 5 penetrates through and extends to the bottom of the fixed plate 2, a mounting plate 6 is fixedly connected to the bottom end of the rotating rod 5, a supporting mechanism is arranged between the mounting plate 6 and the fixed plate 2, movable cavities 10 are respectively formed in two ends of the mounting plate 6, rollers 11 are movably mounted in the movable cavities 10, the number of the rollers 11 is two, the interiors of the two rollers 11 are respectively rotatably connected with two ends of a round rod 12 through bearings, a linkage, the bottom end of the linkage rod 13 penetrates through the inside of the moving hole 14 and is fixedly connected with a rotating block 15, the surface of the rotating block 15 is movably hinged with a hinged seat 16, the lower surface of the hinged seat 16 is fixedly connected with a projector body 17, and a driving mechanism is arranged inside the mounting plate 6.

The supporting mechanism comprises an annular limiting cavity 7, the annular limiting cavity 7 is arranged at the bottom of the fixed plate 2, the top of the inside of the annular limiting cavity 7 is movably connected with a limiting block 8, the lower surface of the limiting block 8 is fixedly connected with a supporting rod 9, the bottom end of the supporting rod 9 penetrates through the inside of the annular limiting cavity 7 and extends to the lower surface of the fixed plate 2, and the bottom end of the supporting rod 9 is fixedly connected with the upper surface of the mounting plate 6.

The inside of the annular limiting cavity 7 is communicated with the outside of the bottom of the fixed plate 2, and the width of the bottom inside the annular limiting cavity 7 is smaller than that of the limiting block 8.

The number of the movable cavities 10 and the linkage rods 13 is two, and the two linkage rods 13 are arranged in axial symmetry relative to the vertical central axis of the projector body 17.

Actuating mechanism includes mounting chamber 18, mounting chamber 18 sets up the middle part at mounting panel 6, the inside back fixed mounting of mounting chamber 18 has positive and negative motor 19, positive and negative motor 19's output shaft tip fixedly connected with movable rod 20, the inside positive fixed mounting of mounting chamber 18 has bearing 21, bearing 21's inner wall and movable rod 20's one end fixed connection, movable rod 20's fixed surface is connected with and is restricted 22, connect the one end that movable rod 20 was kept away from to restricted 22 and the fixed surface of round bar 12 and be connected, round bar 12 is kept away from a side fixedly connected with reset spring 23 who connects rope 22, reset spring 23 keeps away from the one end of round bar 12 and the inner wall fixed connection of movable chamber 10.

The working principle is as follows: when the utility model is used, when the horizontal projection angle of the projector body 17 needs to be adjusted, the servo motor 4 is started, the servo motor 4 drives the rotating rod 5 to rotate, the rotating rod 5 drives the mounting plate 6 to rotate, the mounting plate 6 drives the linkage rod 13 to rotate, the linkage rod 13 drives the rotating block 15 to rotate, the rotating block 15 drives the projector body 17 to horizontally rotate through the hinge seat 16, the angle is adjusted, when the vertical projection angle of the projector body 17 needs to be adjusted, the positive and negative motors 19 with different sides are correspondingly started, if the projection angle of the projector body 17 needs to be downward, the positive and negative motor 19 at the left end is started, the positive and negative motor 19 drives the movable rod 20 to rotate, the movable rod 20 winds the connecting rope 22, the connecting rope 22 pulls the circular rod 12 at the left end to move rightwards, the circular rod 12 drives the linkage rod 13 to move, the rotating block 15 at the bottom end of the linkage rod 13 rotates inside the, meanwhile, the linkage rod 13 pulls the left end of the projector body 17 to move upwards, so that the projection angle of the projector body 17 is adjusted downwards, and the same principle is achieved upwards.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A projector that facilitates adjustment of a projection angle, comprising a connecting rod (1), characterized in that: a bottom end of the connecting rod (1) is fixedly provided with a fixing plate (2), and a fixing plate (2) is mounted on the fixing plate (2). The middle part of the surface is fixedly provided with a mounting frame (3), the lower surface of the middle part of the mounting frame (3) is fixedly provided with a servo motor (4), and the end of the output group of the servo motor (4) is fixedly provided with a rotating rod ( 5), the bottom end of the rotating rod (5) penetrates and extends to the bottom of the fixing plate (2), the bottom end of the rotating rod (5) is fixedly provided with a mounting plate (6), the mounting plate (6) ) and the fixing plate (2) are provided with a support mechanism, both ends of the mounting plate (6) are provided with movable cavities (10), and rollers (11) are movably arranged inside the movable cavity (10), The number of the rollers (11) is two, the inner parts of the two rollers (11) are respectively connected with the two ends of the round rod (12) through bearings for rotation, and the lower surface of the middle part of the round rod (12) is fixedly arranged There is a linkage rod (13), the lower surface of the mounting plate (6) is provided with a moving hole (14), and the bottom end of the linkage rod (13) penetrates through the interior of the moving hole (14) and is fixedly provided with A rotating block (15), the surface of the rotating block (15) is movably provided with a hinge seat (16), the lower surface of the hinge seat (16) is fixedly provided with a projector body (17), the mounting plate (6) ) is provided with a drive mechanism inside.

2. The projector according to claim 1, characterized in that: the support mechanism comprises an annular limiting cavity (7), and the annular limiting cavity (7) is opened on the fixing plate ( 2) at the bottom of the ring-shaped limiting cavity (7), a limiting block (8) is movably provided at the top inside the annular limiting cavity (7), and a support rod (9) is fixedly arranged on the lower surface of the limiting block (8). The bottom end of (9) penetrates through the interior of the annular limiting cavity (7) and extends to the lower surface of the fixing plate (2), and the bottom end of the support rod (9) is fixedly connected with the upper surface of the mounting plate (6).

3. The projector according to claim 2, characterized in that: the inside of the annular limiting cavity (7) is communicated with the outside of the bottom of the fixing plate (2), and the annular limiting cavity (7) is in communication with the outside of the bottom of the fixed plate (2). The width of the inner bottom of the position cavity (7) is smaller than that of the limit block (8).

4. The projector according to claim 1, characterized in that: the number of the movable cavity (10) and the linkage rod (13) is two, and two of the linkage rods (13). The rod (13) is axially symmetrical with respect to the vertical center axis of the projector body (17).

5. The projector according to claim 1, characterized in that: the driving mechanism comprises an installation cavity (18), and the installation cavity (18) is opened in the middle of the installation plate (6). , a positive and negative motor (19) is fixedly arranged on the back of the inside of the installation cavity (18), and a movable rod (20) is fixedly arranged at the end of the output shaft of the positive and negative motor (19). The installation cavity (18) A bearing (21) is fixedly arranged on the front of the interior, the inner wall of the bearing (21) is fixedly connected with one end of the movable rod (20), and the surface of the movable rod (20) is fixedly provided with a connecting rope (22). One end of the connecting rope (22) far away from the movable rod (20) is fixedly connected with the surface of the round rod (12), and a return spring (23) is fixedly arranged on one side of the round rod (12) far away from the connecting rope (22), so One end of the return spring (23) away from the round rod (12) is fixedly connected with the inner wall of the movable cavity (10).