CN221098033U

CN221098033U - Sky curtain projection equipment

Info

Publication number: CN221098033U
Application number: CN202322919143.XU
Authority: CN
Inventors: 刘志阳
Original assignee: Zhengzhou Meiyingte Computer Technology Co ltd
Current assignee: Zhengzhou Meiyingte Computer Technology Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-06-07
Anticipated expiration: 2033-10-30

Abstract

The utility model relates to the technical field of projection, and discloses a backdrop projection device, which comprises a bottom frame, wherein a motor is fixedly arranged at the top of the bottom frame, a screw rod is fixedly arranged on a power output shaft of the motor, a support plate is connected with the outer edge of the screw rod in a threaded manner, and a limiting block is fixedly arranged on the outer wall of the support plate. This sky curtain projection equipment uses through the cooperation of gear one and gear two, utilizes both hands to rotate the ball, through U type support both ends fixed mounting's gear one to and the cooperation of the interior wall fixed mounting's of ball interior circular slot round bar and gear two uses, gear one and gear two that form through the rubber preparation, thereby when rotating the ball, through the characteristic of rubber material, can lead to gear one and gear two to be rotated by force and take place deformation, can adjust projection arrangement's angle this moment, and when no external force is interposed between, through the gravity influence of gear one and gear two self, and then can lead to gear one and gear two looks joint each other.

Description

Sky curtain projection equipment

Technical Field

The utility model relates to the technical field of projection, in particular to a backdrop projection device.

Background

In daily life of people, the demand for drama such as film and television is increasing, people do not meet the requirement of watching television in living room for a long time, and then backdrop projection equipment is developed, only backdrop is needed to be arranged on bedroom walls, and then film and television drama is put on the backdrop through the projection equipment.

The angle of the prior backdrop projection equipment is not adjusted when the angle of the backdrop and the angle of the projection equipment are not opposite, and the angle of the projection equipment cannot be adjusted timely and accurately.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a backdrop projection device which has the advantages of strong practicability and good stability, and solves the problems proposed by the background technology.

The utility model provides the following technical scheme: the utility model provides a backdrop projection equipment, includes the chassis, the fixed motor that is equipped with in top of chassis, the fixed lead screw that is equipped with of power take off shaft of motor, the outer edge threaded connection of lead screw has the extension board, the outer wall fixed mounting of extension board has the stopper, the fixed gag lever post that is equipped with in top of chassis, gag lever post sliding connection is at the inner wall of stopper, the elongated slot has been seted up to the bottom of extension board, the inner wall of elongated slot is provided with U type support, the outer edge rotation of U type support is connected with the spin ball, the U type support is located the both ends fixed mounting of spin ball inner wall has gear one, the inner wall fixed mounting of spin ball has the round bar, the outer edge fixed mounting of round bar has gear two.

As a preferable technical scheme of the utility model, the inner wall of the rotary ball is provided with a circular groove, the first gear, the circular rod and the second gear are both positioned on the inner wall of the circular groove, the top of the support plate is provided with a first thread groove, and the screw rod is in threaded connection with the support plate through the first thread groove.

As a preferable technical scheme of the utility model, the first gear and the second gear are both made of rubber materials, a supporting block is fixedly arranged at the top of the support plate, and the other end of the supporting block is arranged at the outer edge of the U-shaped bracket.

As a preferable technical scheme of the utility model, a second thread groove is formed in the inner wall of the support plate, a threaded rod is connected with the inner wall of the second thread groove in a threaded manner, and the threaded rod penetrates through the inner wall of the long groove.

As a preferable technical scheme of the utility model, a projection device is fixedly assembled on the outer edge of the rotating ball, a circular chute is formed in the top of the limiting block, and the limiting rod is slidably connected to the inner wall of the limiting block through the circular chute.

As a preferable technical scheme of the utility model, the controller is fixedly arranged on the outer wall of the underframe, the motor and the projection device are controlled by the controller, and the motor and the projection device are electrically connected with the controller.

Compared with the prior art, the utility model has the following beneficial effects:

1. This sky curtain projection equipment uses through the cooperation of gear one and gear two, utilizes both hands to rotate the ball, through U type support both ends fixed mounting's gear one, and the cooperation of the interior wall fixed mounting's of ball inner circular groove round bar and gear two is used, gear one and gear two that form through the rubber preparation, thereby when rotating the ball, through the characteristic of rubber material, can lead to gear one and gear two by force rotation and then take place deformation, can adjust projection arrangement's angle this moment, and when no external force is interposed between, through the gravity influence of gear one and gear two self, and then can lead to gear one and gear two mutual joint, make projection arrangement's angle fixed.

2. This sky curtain projection equipment uses through the cooperation of lead screw and motor, utilizes controller 2 control motor to work, and the work through the motor then makes the power output shaft of motor drive the lead screw and rotates, through the threaded connection of lead screw and thread groove one to drive the extension board and go up and down the operation, simultaneously through the sliding connection of the circular spout of seting up in gag lever post and the stopper, thereby can carry out spacing effect to the extension board of going up and down.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a projection apparatus according to the present utility model;

FIG. 3 is a schematic view of the structure of the U-shaped bracket of the utility model;

FIG. 4 is a schematic view of the structure of the present utility model shown in FIG. 3 at a partially enlarged scale;

Fig. 5 is a schematic view of the structure of the stop lever of the present utility model.

In the figure: 1. a chassis; 2. a controller; 3. a motor; 4. a screw rod; 5. a support plate; 6. a first thread groove; 7. a long groove; 8. a thread groove II; 9. a U-shaped bracket; 10. a rotating ball; 11. a projection device; 12. a support block; 13. a threaded rod; 14. a first gear; 15. a round bar; 16. a second gear; 17. a limit rod; 18. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a backdrop projection device includes a chassis 1, a motor 3 is fixedly mounted at the top of the chassis 1, a screw rod 4 is fixedly mounted at a power output shaft of the motor 3, a support plate 5 is connected to an outer edge of the screw rod 4 in a threaded manner, a limiting block 18 is fixedly mounted at an outer wall of the support plate 5, a limiting rod 17 is fixedly mounted at the top of the chassis 1, the limiting rod 17 is slidably connected to an inner wall of the limiting block 18, a long groove 7 is formed at the bottom of the support plate 5, a rotating ball 10 is connected to an outer edge of a U-shaped bracket 9,U on the inner wall of the long groove 7 in a rotating manner, gears 14 are fixedly mounted at two ends of the inner wall of the rotating ball 10 on the U-shaped bracket 9, a round rod 15 is fixedly mounted at the inner wall of the rotating ball 10, and gears 16 are fixedly mounted at the outer edge of the round rod 15.

In a preferred embodiment, the inner wall of the rotary ball 10 is provided with a circular groove, the gear one 14, the circular rod 15 and the gear two 16 are both positioned on the inner wall of the circular groove, the top of the support plate 5 is provided with a thread groove one 6, the screw rod 4 is in threaded connection with the support plate 5 through the thread groove one 6, through the structure, the screw rod 4 is arranged by the thread groove one 6, and when the power output shaft of the motor 3 drives the screw rod 4 to rotate, the screw rod 4 is in threaded connection with the thread groove one 6, so that the support plate 5 can be driven to lift.

In a preferred embodiment, the first gear 14 and the second gear 16 are made of rubber materials, the top of the support plate 5 is fixedly provided with the support block 12, the other end of the support block 12 is arranged at the outer edge of the U-shaped support 9, through the structure, the first gear 14 and the second gear 16 which are made of rubber materials, when the rotating ball 10 is rotated by two hands, the first gear 14 and the second gear 16 can be forced to rotate and deform through the characteristics of the rubber materials, at this time, the angle of the projection device 11 can be adjusted, and when no external force is introduced, the first gear 14 and the second gear 16 are clamped with each other due to the gravity influence of the first gear 14 and the second gear 16, so that the angle of the projection device 11 is fixed.

In a preferred embodiment, the inner wall of the support plate 5 is provided with the second threaded groove 8, the inner wall of the second threaded groove 8 is in threaded connection with the threaded rod 13, the threaded rod 13 penetrates through the inner wall of the long groove 7, through the structure, the second threaded groove 8 is in threaded connection with the threaded rod 13, the U-shaped support 9 can be blocked and limited through the threaded rod 13, and the U-shaped support 9 is prevented from falling out of the inner wall of the long groove 7.

In a preferred embodiment, the projection device 11 is fixedly assembled on the outer edge of the rotary ball 10, the circular chute is formed in the top of the limiting block 18, the limiting rod 17 is slidably connected to the inner wall of the limiting block 18 through the circular chute, and by the above structure, the lifting of the support plate 5 can be limited by using the sliding connection of the circular chute and the limiting rod 17.

In a preferred embodiment, the controller 2 is fixedly mounted on the outer wall of the chassis 1, the motor 3 and the projection device 11 are controlled by the controller 2, and the motor 3 and the projection device 11 are electrically connected to the controller 2, so that the controller 2 can be used to control the motor 3 and the projection device 11 to operate or stop operating.

When the device is needed to be used, firstly, the motor 3 can be controlled to work through the controller 2, the power output shaft of the motor 3 drives the screw rod 4 to rotate through the work of the motor 3, the screw rod 4 is connected with the screw thread groove I6 through the screw thread, the support plate 5 is driven to lift, meanwhile, the support plate 5 can be limited through the sliding connection of the limiting rod 17 and the circular sliding groove formed in the limiting block 18, secondly, the rotating ball 10 can be rotated through two hands, the gear I14 fixedly assembled at two ends of the U-shaped support 9, the round rod 15 fixedly assembled on the inner wall of the circular groove in the rotating ball 10 and the gear II 16 are matched, the gear I14 and the gear II 16 prepared through rubber are used, so that when the rotating ball 10 is rotated, the gear I14 and the gear II 16 can be forcedly rotated through the characteristics of the rubber materials to deform, at the moment, the angle of the projection device 11 can be adjusted, and when no external force is needed, the angle of the projection device can be fixed through the mutual clamping of the gear I14 and the gear II 16.

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

Claims

1. A backdrop projection device comprising a chassis (1), characterized in that: the motor (3) is fixedly assembled at the top of chassis (1), the fixed lead screw (4) that is equipped with of power take off shaft of motor (3), the outer edge threaded connection of lead screw (4) has extension board (5), the fixed stopper (18) that is equipped with of outer wall of extension board (5), the fixed gag lever post (17) that is equipped with in top of chassis (1), gag lever post (17) sliding connection is at the inner wall of stopper (18), elongated slot (7) have been seted up to the bottom of extension board (5), the inner wall of elongated slot (7) is provided with U type support (9), the outer edge rotation of U type support (9) is connected with dwang (10), the both ends fixed assembly that are located the inner wall of dwang (10) have gear one (14), the inner wall fixed assembly of dwang (10) has round bar (15), the outer edge fixed assembly of round bar (15) has gear two (16).

2. A backdrop projection apparatus as defined in claim 1, wherein: the inner wall of the rotary ball (10) is provided with a round groove, the first gear (14), the round rod (15) and the second gear (16) are both positioned on the inner wall of the round groove, the top of the support plate (5) is provided with a first thread groove (6), and the screw rod (4) is in threaded connection with the support plate (5) through the first thread groove (6).

3. A backdrop projection apparatus as defined in claim 1, wherein: the gear I (14) and the gear II (16) are both made of rubber materials, a supporting block (12) is fixedly arranged at the top of the supporting plate (5), and the other end of the supporting block (12) is arranged at the outer edge of the U-shaped bracket (9).

4. A backdrop projection apparatus as defined in claim 1, wherein: the inner wall of the support plate (5) is provided with a second threaded groove (8), the inner wall of the second threaded groove (8) is in threaded connection with a threaded rod (13), and the threaded rod (13) penetrates through the inner wall of the long groove (7).

5. A backdrop projection apparatus as defined in claim 1, wherein: the outer edge of the rotating ball (10) is fixedly provided with a projection device (11), a circular chute is formed in the top of the limiting block (18), and the limiting rod (17) is slidably connected to the inner wall of the limiting block (18) through the circular chute.

6. A backdrop projection apparatus as defined in claim 1, wherein: the outer wall of the chassis (1) is fixedly provided with a controller (2), the motor (3) and the projection device (11) are controlled by the controller (2), and the motor (3) and the projection device (11) are electrically connected with the controller (2).