Projection hoisting support with electric adjusting function

Abstract

The invention relates to the technical field of projection hoisting supports, and discloses a projection hoisting support with an electric adjusting function, the projection hoisting support comprises a connecting fixing seat, and further comprises a first motor, a rotating assembly and an adjusting assembly, the bottom of the connecting fixing seat is fixedly connected with a limiting telescopic rod, and the bottom of the limiting telescopic rod is fixedly connected with an adjusting base table; a supporting platform is arranged at the bottom of the adjusting base table, the rotating assembly is arranged in the adjusting base table, the adjusting assembly is arranged in the connecting and fixing base, and the connecting and fixing base is arranged at the top of the connecting and fixing base. A first motor drives a first rotating threaded rod to rotate, the first rotating threaded rod is in threaded connection with a first threaded sleeve rod to drive the first threaded sleeve rod to rotate, the first threaded sleeve rod rotates to drive a first fixing ring to rotate, and a first telescopic sleeve is driven to slide in the first motor under limiting of a first limiting column; the projection device can stretch out and draw back, can be adjusted to the required height, and has flexible adjustability.

Description

Technical Field

[0001] The invention relates to the technical field of projection hanging brackets, in particular to a projection hanging bracket with an electric adjustment function. Background Art

[0002] The projection ceiling mount with electric adjustment function is a device specially used for installing and adjusting the position of the projector. It allows the user to remotely control the height and angle of the projector through electric drive, thereby achieving precise adjustment of the projected image. The projection ceiling mount with electric adjustment function is a powerful and easy-to-use device. It can meet the user's needs for precise adjustment of the projector position and angle in different occasions, while also providing good stability and space utilization efficiency.

[0003] According to a projector hanging bracket disclosed on the patent website (authorization announcement number: CN 207830934 U), it is described as "including an adjustment rod assembly, an upper adjustment plate system, a tray adjustment plate system and a tray system; one end of the adjustment rod assembly fixes the projector hanging bracket at a corresponding hanging position, and the other end is connected to the upper adjustment plate system; the upper adjustment plate system is bolted to the tray system through an upper plate screw, and the placement state of the tray system is adjusted according to the extension amount of the adjustment knob set on the upper adjustment plate system, thereby realizing the position and angle adjustment of the projector."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During the use of the invention, since the device puts the product into the tray system when in use, it replaces the traditional method of fixing the bottom shell of the product with screws, so that the force on the product is more dispersed, and the bottom shell is not easy to deform to ensure the accurate position of the projection picture. In addition, the extension amount under the upper adjustment plate can be changed by rotating the knob, and the extension amount of the adjustment plate knob of the tray system can be adjusted to achieve the up and down, front and back, left and right angle changes of the projector. When the height of the device is extended or retracted, it is extended or retracted by bolt connection. During the adjustment process, it needs to be adjusted according to the distance between the holes. There are limitations in height adjustment, and it cannot be effectively adjusted to a suitable position. Therefore, it is necessary to improve the projection ceiling bracket with electric adjustment function to solve the above problems. Summary of the invention

[0006] In order to overcome the problem that the projection ceiling bracket with electric adjustment function is extended and retracted by bolt connection during the length extension and retraction of the device, it needs to be adjusted according to the distance between the holes during the adjustment process, which has limitations during the adjustment and cannot be effectively adjusted to a suitable position.

[0007] The technical solution of the present invention is: a projection hanging bracket with an electric adjustment function includes a connecting and fixing seat, and also includes a first motor, a rotating assembly and an adjusting assembly. The bottom of the connecting and fixing seat is fixedly connected to a limited telescopic rod, the bottom of the limited telescopic rod is fixedly connected to an adjusting base, a supporting platform is provided at the bottom of the adjusting base, the rotating assembly is arranged inside the adjusting base, the adjusting assembly is arranged inside the connecting and fixing seat, and a connecting and fixing seat is provided at the top of the connecting and fixing seat. The output end of the first motor is fixedly connected to a first rotating threaded rod, the bottom of the connecting and fixing seat is fixedly connected to a fixed telescopic sleeve, the interior of the fixed telescopic sleeve is slidably connected to the first telescopic sleeve, the external thread of the first rotating threaded rod is threadedly connected to a first threaded sleeve rod, the first threaded sleeve rod is threadedly connected to the interior of the first telescopic sleeve, the external of the first threaded sleeve rod is fixedly connected to a first fixing ring, and the interior of the first fixing ring is fixedly connected to a first limiting column.

[0008] Preferably, the first telescopic sleeve is provided with a sliding groove at a position corresponding to the first limiting column, and the first limiting column slides inside the sliding groove.

[0009] Preferably, a sliding groove is provided in the fixed telescopic sleeve at a position corresponding to the first telescopic sleeve, and the first telescopic sleeve slides inside the sliding groove.

[0010] Preferably, the external threaded connection of the first threaded sleeve is connected to the second telescopic sleeve, the second telescopic sleeve is slidably connected to the inside of the first telescopic sleeve, the external threaded connection of the first telescopic sleeve is connected to the second threaded sleeve rod, the external part of the second threaded sleeve rod is fixedly connected to the second fixing ring, the interior of the second fixing ring is provided with a second limiting column, the second limiting column slides inside the second telescopic sleeve, the external threaded connection of the second threaded sleeve rod is connected to the third telescopic sleeve, and the third telescopic sleeve is slidably connected to the inside of the second telescopic sleeve.

[0011] Preferably, a sliding groove is formed in the first telescopic sleeve at a position corresponding to the second telescopic sleeve, and the second telescopic sleeve slides inside the sliding groove.

[0012] Preferably, a sliding groove is formed in the second telescopic sleeve at a position corresponding to the third telescopic sleeve, and the third telescopic sleeve slides inside the sliding groove.

[0013] Preferably, the rotating assembly includes a second motor, the second motor is arranged on the left side of the adjusting base, the output end of the second motor is fixedly connected to the first rotating connecting rod, the outside of the first rotating connecting rod is fixedly connected to the first bevel gear, the internal rotation of the adjusting base is connected to the rotating adjusting rod, the outside of the rotating adjusting rod is fixedly connected to the second bevel gear, the second bevel gear is meshingly connected to the outside of the first bevel gear, the bottom of the rotating adjusting rod is fixedly connected to the rotating connecting shaft, the bottom of the rotating connecting shaft is fixedly connected to the rotating disk, the top of the rotating disk is fixedly connected to the fixed limit clamping ring, the internal sliding connection of the fixed limit clamping ring is connected to the fixed block, and the fixed block is fixedly connected to the bottom of the adjusting base.

[0014] Preferably, the fixed limiting clamp ring is provided with a sliding groove at a position corresponding to the fixed clamp block, and the fixed clamp block rotates inside the sliding groove.

[0015] Preferably, the adjustment component includes a third motor, the output end of the third motor is fixedly connected to the second rotating connecting rod, the second rotating connecting rod is rotatably connected to the inside of the supporting platform, the inside of the supporting platform is rotatably connected to the rotating adjustment shaft, the outside of the rotating adjustment shaft is fixedly connected to the second gear, the second gear is meshingly connected to the outside of the first gear, the inner side of the second gear is fixedly connected to the adjusting rotating rod, the outside of the adjusting rotating rod is fixedly connected to the adjusting platform, the top of the adjusting platform is fixedly connected to the fixed mounting seat, the outer side of the fixed mounting seat is fixedly connected to the fourth motor, the output end of the fourth motor is fixedly connected to the electric telescopic rod, the electric telescopic rod is rotatably connected to the inside of the fixed mounting seat, and the inner side of the electric telescopic rod is fixedly connected to the extrusion fixing block.

[0016] Preferably, two rotation adjustment shafts are provided, and the two rotation adjustment shafts are symmetrically rotationally connected inside the supporting platform.

[0017] The beneficial effects of the present invention are as follows: relative to the projection hanging bracket with an electric adjustment function, the first rotating threaded rod is driven to rotate by the first motor, the first rotating threaded rod is threadedly connected with the first threaded sleeve rod to drive the first threaded sleeve rod to rotate, the first fixed ring is driven to rotate by the rotation of the first threaded sleeve rod, and under the limitation of the first limiting column, the first telescopic sleeve is driven to slide inside the first motor to realize the telescopic of the projection device, and the equipment can be adjusted to the required height, with flexible adjustability, thereby effectively preventing the need to adjust the device according to the distance between the holes during the adjustment process, resulting in limitations in the adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the bottom structure of the connection fixing seat of the present invention;

[0020] Figure 3 This is a schematic diagram of the local structure of the bottom of the connecting fixing seat of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the rotating assembly of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the regulating component of the present invention;

[0023] Figure 6 It is a schematic diagram of the local structure of the regulating component of the present invention.

[0024] Explanation of the reference numerals: 1. Connecting and fixing seat; 2. Position-limiting telescopic rod; 3. Adjusting base; 4. Supporting platform; 701. Second motor; 702. First rotating connecting rod; 703. First bevel gear; 704. Rotating adjusting rod; 705. Second bevel gear; 706. Rotating connecting shaft; 707. Fixed position-limiting clamping ring; 708. Fixed clamping block; 709. Rotating disk; 801. First motor; 802. First rotating threaded rod; 803. First threaded sleeve rod; 804. First telescopic sleeve; 805. Second threaded sleeve rod ; 806, second telescopic sleeve; 807, third telescopic sleeve; 808, fixed telescopic sleeve; 809, first fixed ring; 810, first limit column; 811, second fixed ring; 812, second limit column; 901, third motor; 902, second rotating connecting rod; 903, first gear; 904, rotating adjustment shaft; 905, second gear; 906, adjusting rotating rod; 907, adjusting platform; 908, fixed mounting seat; 909, fourth motor; 910, electric telescopic rod; 911, extrusion fixing block. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1 - Figure 5The present invention provides an embodiment: a projection ceiling bracket with an electric adjustment function, comprising a connecting fixed seat 1, a first motor 801, a rotating assembly and an adjusting assembly, the bottom of the connecting fixed seat 1 is fixedly connected to a limited telescopic rod 2, the bottom of the limited telescopic rod 2 is fixedly connected to an adjusting base 3, the bottom of the adjusting base 3 is provided with a supporting platform 4, the rotating assembly is arranged inside the adjusting base 3, the adjusting assembly is arranged inside the connecting fixed seat 1, the top of the connecting fixed seat 1 is provided with a connecting fixed seat 1, the output end of the first motor 801 is fixedly connected to a first rotating threaded rod 802, the bottom of the connecting fixed seat 1 is fixedly connected to a fixed telescopic sleeve 808, the interior of the fixed telescopic sleeve 808 is slidably connected to a first telescopic sleeve 804, the outer thread of the first rotating threaded rod 802 is threadedly connected to a first threaded sleeve rod 803, the first threaded sleeve rod 803 is threadedly connected to the interior of the first telescopic sleeve 804, the outer surface of the first threaded sleeve rod 803 is fixedly connected to a first fixing ring 809, the interior of the first fixing ring 809 is fixedly connected to a first limiting column 810, by setting the connecting fixed seat 1 The device is fixed to a suitable position, and the extension of the device is limited by the set limit telescopic rod 2. The first rotating threaded rod 802 is driven to rotate by the first motor 801. The first rotating threaded rod 802 is threadedly connected with the first threaded sleeve rod 803 to drive the first threaded sleeve rod 803 to rotate. The first threaded sleeve rod 803 is rotated to drive the first fixing ring 809 to rotate. Under the limit of the first limit column 810, the first telescopic sleeve 804 is driven to slide inside the first motor 801 to achieve telescoping. The first telescopic sleeve 804 is in the first A sliding groove is opened at the corresponding position of the limiting column 810, and the first limiting column 810 slides inside the sliding groove. The first limiting column 810 is limited when sliding inside the sliding groove by opening the sliding groove corresponding to the position of the first limiting column 810 inside the first telescopic sleeve 804. A sliding groove is opened at the corresponding position of the first telescopic sleeve 804 by the fixed telescopic sleeve 808. The first telescopic sleeve 804 slides inside the sliding groove. The first telescopic sleeve 804 is limited when sliding in the sliding groove by opening the sliding groove corresponding to the position of the first telescopic sleeve 804 inside the fixed telescopic sleeve 808.

[0027] See also Figure 2 - Figure 3In this embodiment, the outer thread of the first threaded sleeve 803 is connected with the second telescopic sleeve 806, and the second telescopic sleeve 806 is slidably connected to the inside of the first telescopic sleeve 804. The outer thread of the first telescopic sleeve 804 is connected with the second threaded sleeve 805, and the outer part of the second threaded sleeve 805 is fixedly connected with the second fixing ring 811. The second limiting column 812 is arranged inside the second fixing ring 811, and the second limiting column 812 slides inside the second telescopic sleeve 806. The outer thread of the second threaded sleeve 805 is connected with the third telescopic sleeve 807, and the third telescopic sleeve 807 is slidably connected to the inside of the second telescopic sleeve 806. The rotation of the first threaded sleeve 803 and the second threaded sleeve 805 and the second telescopic sleeve 80 Under the condition of threaded connection, the second telescopic sleeve 806 is driven to slide inside the first telescopic sleeve 804. The first telescopic sleeve 804 is provided with a sliding groove at a position corresponding to the second telescopic sleeve 806. The second telescopic sleeve 806 slides inside the sliding groove. Through the sliding groove provided inside the first telescopic sleeve 804 corresponding to the position of the second telescopic sleeve 806, the second telescopic sleeve 806 moves in the direction of the set slide rod when sliding in the sliding groove. The second telescopic sleeve 806 is provided with a sliding groove at a position corresponding to the third telescopic sleeve 807. The third telescopic sleeve 807 slides inside the sliding groove. Through the sliding groove provided inside the second telescopic sleeve 806 corresponding to the position of the third telescopic sleeve 807, the third telescopic sleeve 807 is limited by the set slide rod track when sliding in the sliding groove.

[0028] See also Figure 4In this embodiment, the rotating assembly includes a second motor 701, which is arranged on the left side of the adjusting base 3. The output end of the second motor 701 is fixedly connected to the first rotating connecting rod 702, and the outside of the first rotating connecting rod 702 is fixedly connected to the first bevel gear 703. The inside of the adjusting base 3 is rotatably connected to the rotating adjusting rod 704, and the outside of the rotating adjusting rod 704 is fixedly connected to the second bevel gear 705. The second bevel gear 705 is meshedly connected to the outside of the first bevel gear 703. The bottom of the rotating adjusting rod 704 is fixedly connected to the rotating connecting shaft 706, and the bottom of the rotating connecting shaft 706 is fixedly connected to the rotating disk 709. The top of the rotating disk 709 is fixedly connected to the fixed limit clamping ring 707 The fixed limiting clamping ring 707 is internally slidably connected with a fixed clamping block 708, and the fixed clamping block 708 is fixedly connected to the bottom of the adjusting base 3. The first rotating connecting rod 702 is driven to rotate inside the adjusting base 3 by the second motor 701. The first rotating connecting rod 702 is rotated and then the rotating adjusting rod 704 is driven to rotate inside the adjusting base 3 under the condition that the first bevel gear 703 and the second bevel gear 705 are meshed. The fixed limiting clamping ring 707 is provided with a sliding groove at the corresponding position of the fixed clamping block 708, and the fixed clamping block 708 rotates inside the sliding groove. The fixed clamping block 708 is limited when sliding in the sliding groove through the sliding groove opened inside the fixed limiting clamping ring 707 corresponding to the position of the fixed clamping block 708.

[0029] See also Figure 5 - Figure 6In this embodiment, the adjustment component includes a third motor 901, the output end of the third motor 901 is fixedly connected to the second rotating connecting rod 902, the second rotating connecting rod 902 is rotatably connected to the inside of the support platform 4, the inside of the support platform 4 is rotatably connected to a rotating adjustment shaft 904, the outside of the rotating adjustment shaft 904 is fixedly connected to a second gear 905, the second gear 905 is meshingly connected to the outside of the first gear 903, the inner side of the second gear 905 is fixedly connected to an adjusting rotating rod 906, the outside of the adjusting rotating rod 906 is fixedly connected to an adjusting platform 907, the top of the adjusting platform 907 is fixedly connected to a fixed mounting seat 908, the outer side of the fixed mounting seat 908 is fixedly connected to a fourth motor 909, and the output of the fourth motor 909 An electric telescopic rod 910 is fixedly connected to the end, and the electric telescopic rod 910 is rotatably connected to the inside of the fixed mounting seat 908. An extrusion fixing block 911 is fixedly connected to the inner side of the electric telescopic rod 910. The second rotating connecting rod 902 is driven to rotate by the third motor 901. Under the meshing condition of the first gear 903 and the rotating adjustment shaft 904, the adjusting rotating rod 906 on the rotating adjustment shaft 904 is driven to rotate. The rotation of the adjusting rotating rod 906 drives the adjusting platform 907 to adjust the angle. Two rotating adjustment shafts 904 are provided, and the two rotating adjustment shafts 904 are symmetrically rotatably connected to the inside of the supporting platform 4. The two rotating adjustment shafts 904 are provided, so that the rotating adjustment shafts 904 have a synchronous effect when rotating.

[0030] During operation, when the length needs to be adjusted, the first motor 801 drives the first rotating threaded rod 802 to rotate, and the first rotating threaded rod 802 is threadedly connected to the first threaded sleeve rod 803 to drive the first threaded sleeve rod 803 to rotate, and the first fixed ring 809 is rotated by the first threaded sleeve rod 803. Under the limit of the first limiting column 810, the first telescopic sleeve 804 is driven to slide inside the first motor 801 to achieve telescopic, and the second telescopic sleeve 806 is threadedly connected to the second threaded sleeve rod 805 and the second telescopic sleeve 806 to drive the second telescopic sleeve 806 to slide inside the first telescopic sleeve 804 to achieve telescopic, and when the rotation adjustment is performed, the first rotating connecting rod 702 is driven to rotate inside the adjustment base 3 by the second motor 701, and the first rotating connecting rod 702 is rotated and then the first bevel gear is driven to rotate. When the wheel 703 is meshed with the second bevel gear 705, the rotating adjustment rod 704 is driven to rotate inside the adjustment base 3. The rotating adjustment rod 704 drives the rotating disk 709 at the bottom of the rotating connecting shaft 706 to rotate under the limit of the fixed limit clamp ring 707 and the fixed block 708 to achieve angle adjustment. When the projection device is fixed, the projector is installed between the extrusion fixing blocks 911, and the fourth motor 909 drives the electric telescopic rod 910 to achieve contact and fixation between the extrusion fixing blocks 911 and the projection device. When the angle is adjusted, the second rotating connecting rod 902 is driven to rotate by the third motor 901, and the adjusting rotating rod 906 on the rotating adjusting shaft 904 is driven to rotate under the meshing condition of the first gear 903 and the rotating adjustment shaft 904, and the adjusting platform 907 is driven to adjust the angle by the rotation of the adjusting rotating rod 906.

[0031] Through the above steps, the first rotating threaded rod 802 is driven to rotate by the first motor 801, and the first rotating threaded rod 802 is threadedly connected with the first threaded sleeve rod 803 to drive the first threaded sleeve rod 803 to rotate, and the first fixed ring 809 is driven to rotate by the first threaded sleeve rod 803. Under the limitation of the first limiting column 810, the first telescopic sleeve 804 is driven to slide inside the first motor 801 to achieve telescopic, so as to solve the problem that the projection hanging bracket with electric adjustment function is telescoped by bolt connection when the device is telescoped in length, and it needs to be adjusted according to the distance between the holes during the adjustment process, which has limitations during adjustment and cannot be effectively adjusted to a suitable position.

Claims

1. A projection ceiling bracket with electric adjustment function, comprising a connecting fixing seat (1), characterized in that: The device also comprises a first motor (801), a rotating assembly and an adjusting assembly. The bottom of the connecting and fixing seat (1) is fixedly connected to a limited telescopic rod (2). The bottom of the limited telescopic rod (2) is fixedly connected to an adjusting base (3). The bottom of the adjusting base (3) is provided with a supporting platform (4). The rotating assembly is arranged inside the adjusting base (3). The adjusting assembly is arranged inside the connecting and fixing seat (1). The top of the connecting and fixing seat (1) is provided with a connecting and fixing seat (1). The output end of the first motor (801) is fixedly connected to a first rotating threaded rod (801). 02), a fixed telescopic sleeve (808) is fixedly connected to the bottom of the connecting fixed seat (1), the fixed telescopic sleeve (808) is internally slidably connected to the first telescopic sleeve (804), the external thread of the first rotating threaded rod (802) is threadedly connected to the first threaded sleeve rod (803), the first threaded sleeve rod (803) is threadedly connected to the inside of the first telescopic sleeve (804), the external part of the first threaded sleeve rod (803) is fixedly connected to the first fixing ring (809), and the internal part of the first fixing ring (809) is fixedly connected to the first limiting column (810).

2. The projection ceiling bracket with electric adjustment function according to claim 1, characterized in that: The first telescopic sleeve (804) is provided with a sliding groove at a position corresponding to the first limiting column (810), and the first limiting column (810) slides inside the sliding groove.

3. The projection ceiling bracket with electric adjustment function according to claim 1, characterized in that: The fixed telescopic sleeve (808) is provided with a sliding groove at a position corresponding to the first telescopic sleeve (804), and the first telescopic sleeve (804) slides inside the sliding groove.

4. The projection ceiling bracket with electric adjustment function according to claim 1, characterized in that: The first threaded sleeve (803) is threadedly connected to the second telescopic sleeve (806) on the outside, and the second telescopic sleeve (806) is slidably connected to the inside of the first telescopic sleeve (804). The first telescopic sleeve (804) is threadedly connected to the second threaded sleeve (805) on the outside, and the second threaded sleeve (805) is fixedly connected to the outside of the second threaded sleeve (805) with a second fixing ring (811). A second limiting column (812) is arranged inside the second fixing ring (811), and the second limiting column (812) slides inside the second telescopic sleeve (806). The second threaded sleeve (805) is threadedly connected to the third telescopic sleeve (807) on the outside, and the third telescopic sleeve (807) is slidably connected to the inside of the second telescopic sleeve (806).

5. The projection ceiling bracket with electric adjustment function according to claim 4, characterized in that: The first telescopic sleeve (804) is provided with a sliding groove at a position corresponding to the second telescopic sleeve (806), and the second telescopic sleeve (806) slides inside the sliding groove.

6. The projection ceiling bracket with electric adjustment function according to claim 4, characterized in that: The second telescopic sleeve (806) is provided with a sliding groove at a position corresponding to the third telescopic sleeve (807), and the third telescopic sleeve (807) slides inside the sliding groove.

7. The projection ceiling bracket with electric adjustment function according to claim 1, characterized in that: The rotating assembly comprises a second motor (701), the second motor (701) is arranged on the left side of the adjusting base (3), the output end of the second motor (701) is fixedly connected to the first rotating connecting rod (702), the outside of the first rotating connecting rod (702) is fixedly connected to the first bevel gear (703), the inside of the adjusting base (3) is rotatably connected to the rotating adjusting rod (704), the outside of the rotating adjusting rod (704) is fixedly connected to the second bevel gear (705), the second bevel gear (705) is meshingly connected to the outside of the first bevel gear (703), the bottom of the rotating adjusting rod (704) is fixedly connected to the rotating connecting shaft (706), the bottom of the rotating connecting shaft (706) is fixedly connected to the rotating disk (709), the top of the rotating disk (709) is fixedly connected to the fixed limiting clamping ring (707), the inside of the fixed limiting clamping ring (707) is slidably connected to the fixed clamping block (708), and the fixed clamping block (708) is fixedly connected to the bottom of the adjusting base (3).

8. The projection ceiling bracket with electric adjustment function according to claim 7, characterized in that: The fixed limiting clamp ring (707) is provided with a sliding groove at a position corresponding to the fixed clamp block (708), and the fixed clamp block (708) rotates inside the sliding groove.

9. The projection ceiling bracket with electric adjustment function according to claim 1, characterized in that: The adjustment component comprises a third motor (901), the output end of the third motor (901) is fixedly connected to a second rotating connecting rod (902), the second rotating connecting rod (902) is rotatably connected to the inside of the support platform (4), the inside of the support platform (4) is rotatably connected to a rotating adjustment shaft (904), the outside of the rotating adjustment shaft (904) is fixedly connected to a second gear (905), the second gear (905) is meshedly connected to the outside of the first gear (903), and the inside of the second gear (905) is fixedly connected to an adjusting rotating shaft (904). The adjusting and rotating rod (906) is fixedly connected to an adjusting platform (907) on the outside, and a fixed mounting seat (908) is fixedly connected to the top of the adjusting platform (907). A fourth motor (909) is fixedly connected to the outside of the fixed mounting seat (908). An output end of the fourth motor (909) is fixedly connected to an electric telescopic rod (910). The electric telescopic rod (910) is rotatably connected to the inside of the fixed mounting seat (908), and an extrusion fixing block (911) is fixedly connected to the inside of the electric telescopic rod (910).

10. The projection ceiling bracket with electric adjustment function according to claim 9, characterized in that: Two rotation adjustment shafts (904) are provided, and the two rotation adjustment shafts (904) are symmetrically rotationally connected inside the support platform (4).

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