CN214618796U

CN214618796U - Automatic focusing and trapezoidal correction functional projector

Info

Publication number: CN214618796U
Application number: CN202120013775.8U
Authority: CN
Inventors: 何忠明; 严国华
Original assignee: Shenzhen Saijin Zhitou Electronics Co ltd
Current assignee: Shenzhen Saijin Zhitou Electronics Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-11-05
Anticipated expiration: 2031-01-05

Abstract

The utility model belongs to the technical field of the projecting apparatus, concretely relates to functional projecting apparatus is rectified with trapezoidal, including base, connecting seat, be provided with two symmetric distributions's slide rail on the base, every the inside sliding connection of slide rail has the guide pulley, it is connected with the backup pad to rotate on the guide pulley, the spout has been seted up to the inside of backup pad, the upper end fixed mounting of base has the motor, fixedly connected with threaded shaft on the output shaft of motor, the top fixedly connected with stopper of threaded shaft. The utility model discloses a with the rotation post of bottom design of projecting apparatus, rotate the cooperation of axle tail fixing base on post and the brace table for the projecting apparatus can be at the arbitrary angle of adjustment of horizontal direction, and at gear of external design of axle tail fixing base, gear and brace table upper limit mechanism cooperate, can fix a position the gear, thereby fix the projecting apparatus, convenience very.

Description

Automatic focusing and trapezoidal correction functional projector

Technical Field

The utility model relates to a projecting apparatus technical field specifically is an automatic functional projecting apparatus of focusing and trapezoidal correction.

Background

The projector is also called a projector, and is a device capable of projecting images or videos onto a curtain, and 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. With the development of technology, projectors at present have generally had the functions of auto-focusing and keystone correction.

Among the prior art at present, carry out the in-process of projection to the curtain, when adjusting the optimization to height and angle, complex operation takes trouble and laboursome. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic focusing and trapezoidal functional projector of rectifying has solved height and angle and when adjusting the optimization, complex operation takes trouble and laboursome problem.

In order to achieve the above object, the utility model provides a following technical scheme: a projector with automatic focusing and trapezoidal correction functions comprises a base and a connecting seat, wherein two sliding rails which are symmetrically distributed are arranged on the base, a guide wheel is slidably connected inside each sliding rail, a supporting plate is rotatably connected on each guide wheel, a sliding groove is formed inside each supporting plate, a motor is fixedly installed at the upper end of the base, a threaded shaft is fixedly connected on an output shaft of the motor, a limiting block is fixedly connected at the top of the threaded shaft, a moving block is connected outside the threaded shaft through threads, two connecting rods which are symmetrically distributed are fixedly connected on the moving block, a limiting rod is fixedly connected on each connecting rod, a limiting rod is slidably connected in each sliding groove, two hinge seats which are symmetrically distributed are fixedly connected on the connecting seat, a supporting plate is hinged on each hinge seat, and a supporting table is fixedly connected at the top of the connecting seat, fixedly connected with axle tail fixing base on the brace table, the inside of axle tail fixing base is rotated and is connected with the rotation post, the annular has been seted up on the rotation post, the top fixedly connected with projecting apparatus of rotation post, the outside fixedly connected with gear of rotation post, fixedly connected with support on the brace table, the inside sliding connection of support has the slide bar, fixedly connected with fixture block on the slide bar, fixture block and gear contact.

Preferably, the slide bar is fixedly connected with a limiting ring, and the limiting ring is made of stainless steel.

Preferably, the outside of the slide bar is sleeved with a first spring, one end of the first spring is fixedly connected with a support, and the other end of the first spring is fixedly connected with a limiting ring.

Preferably, the base is fixedly connected with two clamping plates which are symmetrically distributed, and the clamping plates are made of stainless steel.

Preferably, each clamping plate is fixedly connected with a second spring, and one end, far away from the clamping plate, of each second spring is fixedly connected with a supporting plate.

Preferably, the inside of the shaft tail fixing seat is connected with a limiting bolt through threads, and the tail end of the limiting bolt is located in the annular groove.

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

1. the utility model discloses a with the rotation post of bottom design of projecting apparatus, rotate the cooperation of axle tail fixing base on post and the brace table for the projecting apparatus can be at the arbitrary angle of adjustment of horizontal direction, and at gear of external design of axle tail fixing base, gear and brace table upper limit mechanism cooperate, can fix a position the gear, thereby fix the projecting apparatus, convenience very.

2. The utility model discloses a motor drive threaded spindle rotates, and the outside movable block of threaded spindle reciprocates, and the movable block drives the connecting rod and reciprocates, and gag lever post on the connecting rod slides in the spout in the backup pad for the gyro wheel horizontal slip in the slide rail of the lower extreme of backup pad on the base, and the upper end of backup pad drives the connecting seat owing to articulated seat and reciprocates, thereby makes each part including the projecting apparatus in the connecting seat top reciprocate, conveniently adjusts the altitude mixture control of projecting apparatus.

Drawings

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

fig. 2 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the structure of part B of fig. 1 according to the present invention;

fig. 4 is a top view of the gear of the present invention;

fig. 5 is a side view of the support plate of the present invention.

In the figure: 1. a base; 2. a slide rail; 3. a guide wheel; 4. a support plate; 5. a chute; 6. an electric motor; 7. a threaded shaft; 8. a limiting block; 9. a moving block; 10. a connecting rod; 11. a limiting rod; 12. a hinged seat; 13. a connecting seat; 14. a support table; 15. a shaft tail fixing seat; 16. rotating the column; 17. a ring groove; 18. a limit bolt; 19. a projector; 20. a gear; 21. a support; 22. a slide bar; 23. a clamping block; 24. a limiting ring; 25. a first spring; 26. clamping a plate; 27. a second 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.

Examples

Referring to fig. 1-5, an automatic focusing and trapezoidal correction functional projector includes a base 1, a connecting seat 13, two symmetrically distributed slide rails 2 are disposed on the base 1, a guide wheel 3 is slidably connected to the inside of each slide rail 2, a support plate 4 is rotatably connected to the guide wheel 3, a chute 5 is disposed inside the support plate 4, a motor 6 is fixedly mounted at the upper end of the base 1, a threaded shaft 7 is fixedly connected to an output shaft of the motor 6, a stop block 8 is fixedly connected to the top of the threaded shaft 7, a movable block 9 is connected to the outside of the threaded shaft 7 through a thread, two symmetrically distributed connecting rods 10 are fixedly connected to the movable block 9, a stop rod 11 is fixedly connected to each connecting rod 10, a stop rod 11 is slidably connected to the chute 5, two symmetrically distributed hinge seats 12 are fixedly connected to the connecting seat 13, and the support plate 4 is hinged to each hinge seat 12, connecting seat 13 top fixedly connected with brace table 14, fixedly connected with axle tail fixing base 15 on brace table 14, the inside rotation of axle tail fixing base 15 is connected with rotates post 16, annular 17 has been seted up on rotating post 16, the top fixedly connected with projecting apparatus 19 of rotating post 16, the outside fixedly connected with gear 20 of rotating post 16, fixedly connected with support 21 on brace table 14, the inside sliding connection of support 21 has slide bar 22, fixedly connected with fixture block 23 on the slide bar 22, fixture block 23 and gear 20 contact.

Referring to fig. 3, a position-limiting ring 24 is fixedly connected to the sliding rod 22, and the position-limiting ring 24 is made of stainless steel. By the design of the stop collar 24, it is convenient to compress the first spring 25.

Referring to fig. 3, a first spring 25 is sleeved outside the sliding rod 22, one end of the first spring 25 is fixedly connected to the bracket 21, and the other end of the first spring 25 is fixedly connected to the limiting ring 24. The slide bar 22 has an auxiliary resetting effect through the design of the first spring 25.

Referring to fig. 1, two clamping plates 26 are symmetrically connected to the base 1, and the clamping plates 26 are made of stainless steel. The second spring 27 is conveniently fixed by the design of the catch plate 26.

Referring to fig. 1, each catch plate 26 is fixedly connected with a second spring 27, and one end of the second spring 27 away from the catch plate 26 is fixedly connected with the support plate 4. By the design of the second spring 27, an auxiliary displacement effect is provided for the support plate 4.

Referring to fig. 2, the inside of the shaft tail fixing seat 15 is connected with a limiting bolt 18 through a thread, and the tail end of the limiting bolt 18 is located in the annular groove 17. Through the design of the limit bolt 18, the limit bolt and the annular groove 17 are matched to have a limit effect on the rotating column 16.

The utility model discloses the concrete implementation process as follows: when the projector is used, the motor 6 is turned on, the motor 6 drives the threaded shaft 7 to rotate, the moving block 9 outside the threaded shaft 7 moves up and down, the moving block 9 drives the connecting rod 10 to move up and down, the limiting rod 11 on the connecting rod 10 slides in the sliding groove 5 on the supporting plate 4, so that the roller at the lower end of the supporting plate 4 slides left and right in the sliding rail 2 on the base 1, the upper end of the supporting plate 4 drives the connecting seat 13 to move up and down due to the hinged seat 12, so that each part above the connecting seat 13 and including the projector 19 moves up and down, the height adjustment of the projector 19 is convenient, after the height of the projector 19 is adjusted, the sliding rod 22 is pulled, the limiting ring 24 compresses the first spring 25 at the moment, the clamping block 23 is separated from the gear 20, then the projector 19 is rotated, after the required angle is rotated in the horizontal direction, the sliding rod 22 is loosened, and the first spring 25 is reset, the latch 23 is brought into contact with the gear 20 again, so that the gear 20 can be positioned, thereby fixing the projector 19 conveniently.

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 an automatic functional projecting apparatus is rectified with trapezoidal, includes base (1), connecting seat (13), its characterized in that: the base (1) is provided with two symmetrically distributed slide rails (2), the interior of each slide rail (2) is connected with a guide wheel (3) in a sliding manner, the guide wheels (3) are connected with a support plate (4) in a rotating manner, the interior of the support plate (4) is provided with a sliding groove (5), the upper end of the base (1) is fixedly provided with a motor (6), an output shaft of the motor (6) is fixedly connected with a threaded shaft (7), the top of the threaded shaft (7) is fixedly connected with a limit block (8), the exterior of the threaded shaft (7) is connected with a movable block (9) through threads, the movable block (9) is fixedly connected with two symmetrically distributed connecting rods (10), each connecting rod (10) is fixedly connected with a limit rod (11), the sliding groove (5) is connected with a limit rod (11) in a sliding manner, and the connecting seat (13) is fixedly connected with two symmetrically distributed hinge seats (12), every articulated on articulated seat (12) have backup pad (4), connecting seat (13) top fixedly connected with brace table (14), fixedly connected with axle tail fixing base (15) on brace table (14), the inside of axle tail fixing base (15) is rotated and is connected with and rotates post (16), annular (17) have been seted up on rotating post (16), rotate top fixedly connected with projecting apparatus (19) of post (16), the outside fixedly connected with gear (20) of rotating post (16), fixedly connected with support (21) on brace table (14), the inside sliding connection of support (21) has slide bar (22), fixedly connected with fixture block (23) on slide bar (22), fixture block (23) and gear (20) contact.

2. An autofocus and keystone correction functional projector as set forth in claim 1, wherein: the sliding rod (22) is fixedly connected with a limiting ring (24), and the limiting ring (24) is made of stainless steel.

3. An autofocus and keystone correction functional projector as set forth in claim 1, wherein: the outer portion of the sliding rod (22) is sleeved with a first spring (25), one end of the first spring (25) is fixedly connected with a support (21), and the other end of the first spring (25) is fixedly connected with a limiting ring (24).

4. An autofocus and keystone correction functional projector as set forth in claim 1, wherein: the base (1) is fixedly connected with two clamping plates (26) which are symmetrically distributed, and the clamping plates (26) are made of stainless steel.

5. An autofocus and keystone correction functional projector as set forth in claim 4, wherein: each clamping plate (26) is fixedly connected with a second spring (27), and one end, far away from the clamping plates (26), of each second spring (27) is fixedly connected with a supporting plate (4).

6. An autofocus and keystone correction functional projector as set forth in claim 1, wherein: the inside of axle tail fixing base (15) has stop bolt (18) through threaded connection, the tail end of stop bolt (18) is located annular (17).