CN218301490U

CN218301490U - Projector with trapezoidal correction function

Info

Publication number: CN218301490U
Application number: CN202222181694.6U
Authority: CN
Inventors: 邓春雄; 钟德英; 肖德军
Original assignee: Caixun Industry Zhongshan Co ltd
Current assignee: Caixun Industry Zhongshan Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-13
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a projector with a trapezoidal correction function, which belongs to the technical field of projectors and comprises a base, wherein a notch is arranged at the center of the base, a mounting groove is arranged at one end of the notch in the base, an electric motor is arranged in the mounting groove, and the output end of the electric motor is communicated with one end of the notch to be transmitted and connected with a screw rod; the components of the adjusting mechanism are matched for use, so that the projector body is adjusted and corrected conveniently, and the quality of a picture projected by the projector is improved; the base, the base plate, the suction pad and other parts are matched for use, so that the base is sucked at the position where the base is placed through the suction pad on the base plate when the base is placed, the stability of the placement of the projector body is further improved, and the projector body is prevented from being deviated due to vibration caused by external noise; and the projection effect of the projector body is improved.

Description

Projector with trapezoidal correction function

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a projecting apparatus from taking trapezoidal correction function.

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, and different types such as CRT, LCD, DLP, 3LCD and the like exist according to different working modes.

Through retrieval, in the prior art, the Chinese patent application number: CN202011239411.8 discloses a projection screen and projection equipment, relates to projection technical field, this utility model: the supporting frame is used for supporting the projection screen and is provided with a first extending part, a second extending part and a third extending part, wherein the projection screen is supported on the first extending part; the third extending part is far away from the projection screen and forms a notch with the projection screen; the second extension part is used for connecting the first extension part and the third extension part; the flexible connecting part is at least connected with the edge of the projection screen and winds to the back side of the first extending part; and the first end of the fixing piece is connected with the third extending part, and the second end of the fixing piece is connected with the flexible connecting part so as to tension the projection screen.

However, the device has the following disadvantages:

1. when a common projector is used, a projected picture is easy to incline, and is inconvenient to correct, so that the quality of an observer is reduced during watching;

2. and when the projector is placed, the projector generates vibration and deviation due to external noise, so that the projection effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projector with a trapezoidal correction function, which is used in a matching way by arranging parts of an adjusting mechanism, thereby being convenient for adjusting and correcting the projector body and further improving the quality of pictures projected by the projector; to solve the problems set forth in the background art described above.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from projecting apparatus of taking trapezoidal correction function, includes the base, the center of base is equipped with the notch, the one end of the inside notch of base is equipped with the mounting groove, the internally mounted electric motor of mounting groove, just the one end transmission connecting screw of electric motor output intercommunication notch, the other end of screw rod is fixed in on the inner ring of notch inner wall upper bearing.

Preferably, a base plate is fixed at the bottom of the base, and the bottom of the base plate is adhered with the suction pad through glue solution.

Preferably, two opposite limiting seats are arranged at two ends of the front side of the bottom in the notch, and the top of each limiting seat is fixed with a limiting protection pad.

Preferably, the top surface of the limiting protection pad is attached to one end of the projector body, an insertion block is fixed to the bottom of the limiting seat, and the insertion block is inserted into a slot opposite to the bottom in the notch.

Preferably, the skin weld of screw rod has the connecting plate, just the top surface both ends of connecting plate are equipped with relative draw-in groove, and are relative the inside joint fixture block of draw-in groove, relative branch is fixed at the top of fixture block.

Preferably, the other ends of the opposite supporting rods are fixed at two ends of the bottom of the connecting seat, and a projector body is fixed at the bottom of the connecting seat.

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

the inner adjusting mechanism is convenient to mount, place and support by arranging the base, the mounting groove, the electric motor, the screw rod, the bearing and other components; and also has the effect of supporting and placing the projector body; the center of the base is provided with a notch so as to facilitate the projector body to be placed in the notch; the mounting groove is formed in one end of the inner part of the base, so that the mounting groove can conveniently mount and place the electric motor in the base, and the electric motor can be protected; the screw is connected to the output end of the electric motor in a transmission manner, so that the electric motor can be driven to rotate conveniently, and a limit instruction is set for the electric motor, so that the electric motor can be stopped automatically after the angle of the electric motor is adjusted to be 15 or 30 degrees; so as to improve the viewing of observers;

the components of the adjusting mechanism are arranged and matched for use, so that the projector body can be adjusted and corrected conveniently, and the quality of a picture projected by the projector can be improved;

the base, the base plate, the suction pad and other parts are matched for use, so that the base is sucked at the position where the base is placed through the suction pad on the base plate when the base is placed, the stability of the placement of the projector body is further improved, and the projector body is prevented from being deviated due to vibration caused by external noise; and the projection effect of the projector body is improved.

Drawings

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

fig. 2 is a schematic structural view of the projector of the present invention;

FIG. 3 is a schematic view of the structure of the limiting seat of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base; 11. a base plate; 12. a suction pad; 2. mounting grooves; 21. an electric motor; 22. a screw; 23. a bearing; 3. a limiting seat; 31. a limiting protective pad; 32. inserting a block; 4. a connecting plate; 41. a card slot; 42. a clamping block; 43. a strut; 5. a connecting seat; 51. the projector body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a projector with a trapezoidal correction function comprises a base 1, and an internal adjusting mechanism is convenient to mount, place and support by arranging the base 1; and is also convenient for playing a supporting and placing effect on the projector body 51; a notch is formed at the center of the base 1, so that the projector body 51 is put into the notch by forming the notch at the center of the base 1; one end of the inner notch of the base 1 is provided with a mounting groove 2, and the mounting groove 2 is arranged at one end of the inner part of the base 1, so that the mounting groove 2 can be used for mounting and placing the electric motor 21 and can be used for protecting the electric motor 21; an electric motor 21 is arranged in the mounting groove 2, a screw 22 is connected to the output end of the electric motor 21 in a transmission manner, so that the electric motor is driven to rotate conveniently, a limit instruction is set for the electric motor 21, and the electric motor is stopped automatically after the angle of the electric motor is adjusted by 15 or 30 degrees; so as to improve the viewing of observers; the output end of the electric motor 21 is communicated with one end of the notch to be in transmission connection with a screw 22, and the screw 22 can be rotatably supported on an inner ring of a bearing 23; the other end of the screw rod 22 is fixed on an inner ring of a bearing 23 on the inner wall of the notch; the components of the adjusting mechanism are arranged and used in a matching manner, so that the projector body 51 can be adjusted and corrected conveniently, and the quality of a picture projected by the projector body 51 can be improved; moreover, the controller controls the electric motor 21 to work, so that the output end drives the screw rod 22 to rotate, and the screw rod 22 drives the connecting plate 4 thereon to rotate, so that the connecting plate 4 indirectly drives the projector body 51 on the connecting seat 5 to perform angle correction, and further the quality and effect of the projection picture of the projector body 51 are improved; the two opposite limiting seats 3 are arranged at the two ends of the front side of the bottom in the notch, and the limiting seats 3 can play a role in mounting and placing the limiting protection pads 31 on the limiting seats; the top of the opposite limiting seat 3 is fixed with a limiting protection pad 31, and the limiting protection pad 31 can play a role in blocking, limiting and protecting one end of the projector body 51; the top surface of the limiting protection pad 31 is attached to one end of the projector body 51, the bottom of the limiting seat 3 is fixed with an insertion block 32, and the insertion block 32 is mainly convenient for inserting and fixing the limiting seat 3 and also convenient for dismounting and mounting the limiting seat; the inserting block 32 is inserted into the slot opposite to the bottom in the slot;

the base plate 11 is fixed at the bottom of the base 1, the suction pad 12 is adhered to the bottom of the base plate 11 through glue, and the base 1, the base plate 11, the suction pad 12 and other components are matched for use, so that the base 1 is sucked at the position where the base 1 is placed through the suction pad 12 on the base plate 11 when the base 1 is placed, the placing stability of the projector body 51 is further improved, and the projector body is prevented from being deviated due to vibration caused by external noise; and the projection effect of the projector body 51 is improved;

a connecting plate 4 is welded on the surface of the screw 22, and the connecting plate 4 can be used for mounting the projector body 51 thereon; opposite clamping grooves 41 are formed in two ends of the top surface of the connecting plate 4, the clamping blocks 42 are conveniently clamped in the clamping grooves 41, the supporting rod 43 on the clamping blocks 42 is clamped and fixed conveniently, the supporting rod 43 is also conveniently detached, and the projector body 51 is indirectly detached and installed; the inside joint fixture block 42 of relative draw-in groove 41, the top of fixture block 42 is fixed relative branch 43, and the other end of relative branch 43 is fixed in the bottom both ends of connecting seat 5, and the bottom of connecting seat 5 is fixed with projector body 51, and projector body 51, also known as the projector, is a equipment that can be with image or video projection on the curtain, can be through different interfaces with computer, VCD, DVD, BD, game machine, DV etc. connection broadcast corresponding video signal. Projectors are widely used in homes, offices, schools and entertainment places, and different types such as CRT, LCD, DLP, 3LCD and the like exist according to different working modes.

During the specific use, control electric motor 21 through the controller and carry out work, make the output drive screw rod 22 carry out rotary work to make screw rod 22 drive connecting plate 4 on it and rotate, so that make connecting plate 4 indirectly drive projecting apparatus body 51 on the connecting seat 5 and carry out the angle correction, and then so that improve the quality and the effect of projecting apparatus body 51 projection picture.

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. The utility model provides a from projecting apparatus of taking trapezoidal correction function, includes base (1), its characterized in that: the center of base (1) is equipped with the notch, the one end of the inside notch of base (1) is equipped with mounting groove (2), internally mounted electric motor (21) of mounting groove (2), just electric motor (21) output communicates the one end transmission connecting screw (22) of notch, the other end of screw (22) is fixed in on the inner ring of notch inner wall upper bearing (23).

2. The projector with the keystone correction function as set forth in claim 1, wherein: a base plate (11) is fixed at the bottom of the base (1), and a suction pad (12) is adhered to the bottom of the base plate (11) through glue solution.

3. The projector with the keystone correction function as claimed in claim 1, wherein: and two opposite limiting seats (3) are arranged at the two ends of the front side of the bottom in the notch, and a limiting protection pad (31) is fixed at the top of each opposite limiting seat (3).

4. A projector with a keystone correction function as set forth in claim 3, wherein: the top surface of the limiting protection pad (31) is attached to one end of the projector body (51), an insertion block (32) is fixed to the bottom of the limiting seat (3), and the insertion block (32) is inserted into the corresponding insertion groove in the notch.

5. The projector with the keystone correction function as claimed in claim 1, wherein: the surface welding of screw rod (22) has connecting plate (4), just the top surface both ends of connecting plate (4) are equipped with relative draw-in groove (41), and is relative the inside joint fixture block (42) of draw-in groove (41), relative branch (43) are fixed at the top of fixture block (42).

6. The projector with the keystone correction function as set forth in claim 5, wherein: the other end of the supporting rod (43) is fixed at two ends of the bottom of the connecting seat (5), and a projector body (51) is fixed at the bottom of the connecting seat (5).