Projection device support

Abstract

The utility model belongs to the technical field of multimedia, and particularly discloses a projection device support which comprises a rotating disc, a containing structure is arranged on the rotating disc, a plurality of spirit levels are arranged at the bottoms of the two sides of the containing structure, a plurality of ball seats are annularly distributed on the side, away from the containing structure, of the rotating disc, a ball head is arranged in each ball seat in a sleeved mode, and the rotating disc is connected with the containing structure. A threaded rod is fixed to the side, away from the ball seat, of the ball head, an adjusting block sleeves the end, close to the ball head, of the outer side of the threaded rod, the side, away from the ball head, of the adjusting block is sleeved with a threaded hole on the outer side of the threaded rod, the threaded hole is formed in the base, and a plurality of rotating seats are annularly arranged on the side, away from the adjusting block, of the base. A limiting block is fixed to the side face of the end, close to the pin shaft, of the supporting leg, telescopic rods are attached to the two sides of the supporting leg, the ends, close to the limiting block, of the telescopic rods are sleeved with lantern rings, and the middles of the lantern rings are sleeved with fixing bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia, in particular to a support for a projection device. Background Art

[0002] Multimedia technology is a technology that stores and manages various information such as language, text, data, audio, and video through a computer, enabling users to communicate with the computer in real time through multiple senses. The content displayed and carried by multimedia technology is actually the product of computer technology, and the commonly used display method of multimedia is projection.

[0003] In existing projection brackets, the adjustment angles of many brackets are limited and cannot meet the needs of diverse scenarios. For example, in the utility model with the patent number CN219082601U, although the projection bracket is provided with a steering adjustment device, its height and horizontal angle cannot be adjusted, resulting in inadaptability in many usage scenarios. If the height of the projection bracket cannot be adjusted, it may affect the projection imaging effect. If the height cannot be adjusted according to actual needs, it may affect the viewing experience. If the projection bracket is not provided with a horizontal adjustment device, the final projection imaging may be inclined. The projected image will be tilted up and down or left and right, affecting the display effect of the projection content. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a support for a projection device to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A support for a projection device includes a turntable. A storage structure is provided on the turntable. A plurality of spirit levels are provided at the bottoms of two mutually intersecting sides of the storage structure. A plurality of ball seats are arranged in a ring on the side of the turntable away from the storage structure. A ball head is sleeved in each ball seat. One side of the ball head away from the ball seat is fixed with a screw rod. An adjusting block is sleeved on the screw rod near the ball head on the outer side of the screw rod. One side of the adjusting block away from the ball head is sleeved in a threaded hole on the outer side of the screw rod. The threaded hole is opened inside a base. A plurality of rotating seats are arranged in a ring on the side of the base away from the adjusting block. A pin shaft is sleeved in the rotating seat. The outer side of the pin shaft is sleeved at one end of a support leg. A limiting block is fixed on the side of the support leg near the pin shaft. Telescopic rods are attached to both sides of the support leg. A collar is sleeved at one end of the telescopic rod near the limiting block. A fixing bolt is sleeved in the middle of the collar. The other end of the telescopic rod away from the collar is also provided with a pin shaft. A plurality of rotating blocks are sleeved at both ends of the pin shaft. A backing plate is fixed on one side of the rotating block. The cooperation of a plurality of screw rods and threaded holes adjusts the up and down movement of the screw rod by rotating the adjusting block, and finally adjusts the level of the turntable in cooperation with the ball head and the ball seat. The support leg cooperates with the telescopic rod to adjust the length of the support leg.

[0006] Preferably, the telescopic rod is U-shaped, and the two telescopic rods firmly clamp the leg, facilitating length adjustment.

[0007] Preferably, the limiting block is obliquely fixed at one end of the leg away from the rotating block to limit the rotation angle of the leg.

[0008] Preferably, grooves are provided on both sides of the leg to cooperate with the telescopic rod, which not only facilitates the sliding of the telescopic rod but also limits the displacement direction of the telescopic rod.

[0009] Preferably, the spirit level is arranged on both sides of the storage structure to provide a horizontal reference for the user.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The present utility model realizes the purpose of horizontal adjustment of the projector through the ball head, ball seat, adjusting block, screw rod and threaded hole. The cooperation of the ball head and the ball seat enables the projector to be finely adjusted in the horizontal direction, thereby precisely controlling the projection angle and enabling it to meet the projection requirements in various complex environments. The design of the adjusting block and the screw rod makes the adjustment of the projector more precise. By rotating the screw rod, the fine adjustment of the horizontal angle of the projector can be achieved. This design not only improves the stability of the projector but also makes its operation simpler. This not only enhances the final imaging effect of the projector but also enables the user to adjust the angle and position of the projector according to their own needs.

[0012] The present utility model realizes the purpose of height adjustment through the leg, telescopic rod, collar and fixing bolt. This height-adjustable design not only increases its usage scenarios, enabling it to be adjusted to a suitable height according to actual needs whether in a home environment, office or outdoor activities, providing great convenience. The device can be adjusted to a suitable height by adjusting the leg and the telescopic rod, keeping the line of sight straight and the body in a natural state, avoiding the fatigue caused by bending or raising the head for a long time. When not in use, it can also be lowered to the ground, not occupying extra space, saving space and facilitating storage, making the device more user-friendly and in line with the principles of ergonomics during use, improving the comfort of use and enabling it to adapt to more usage scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2 is a side structural schematic diagram of the present utility model;

[0015] Figure 3 is a three-dimensional structural schematic diagram of the leg of the present utility model;

[0016] Figure 4 This is a schematic cross-sectional view of the base of the present utility model.

[0017] In the figure: 1, storage structure; 2, spirit level; 3, base; 4, leg; 5, telescopic rod; 6, backing plate; 7, pin shaft; 8, rotating block; 9, fixing bolt; 10, turntable; 11, ball seat; 12, screw rod; 13, adjusting block; 14, ball head; 15, limiting block; 16, collar; 17, threaded hole; 18, rotating seat. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0020] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Please refer to Figures 1-4, the present utility model provides a technical solution: a projection device bracket, including a turntable 10, a storage structure 1 is provided on the turntable 10, and a plurality of spirit levels 2 are provided at the bottoms of two mutually intersecting sides of the storage structure 1. A plurality of ball seats 11 are arranged in a ring on the side of the turntable 10 away from the storage structure 1. A ball head 14 is sleeved in each ball seat 11. A screw rod 12 is fixed on the side of the ball head 14 away from the ball seat 11. An adjusting block 13 is sleeved on the outer side of the screw rod 12 near the ball head 14. On the side of the adjusting block 13 away from the ball head 14, it is sleeved on the outer side of the screw rod 12 in a threaded hole 17. The threaded hole 17 is opened inside the base 3. A plurality of rotating seats 18 are arranged in a ring on the side of the base 3 away from the adjusting block 13. A pin shaft 7 is sleeved inside the rotating seat 18. The outer side of the pin shaft 7 is sleeved on one end of the support leg 4. A limiting block 15 is fixed on the side of the support leg 4 near the pin shaft 7. The support leg 4 is attached to both sides by telescopic rods 5. A collar 16 is sleeved on the end of the telescopic rod 5 near the limiting block 15. A fixing bolt 9 is sleeved in the middle of the collar 16. The other end of the telescopic rod 5 away from the collar 16 is also provided with a pin shaft 7. A plurality of rotating blocks 8 are sleeved at both ends of the pin shaft 7. A backing plate 6 is fixed on one side of the rotating block 8. The cooperation of a plurality of screw rods 12 and threaded holes 17 adjusts the up and down movement of the screw rod 12 by rotating the adjusting block 13, and finally adjusts the level of the turntable 10 in cooperation with the ball head 14 and the ball seat 11. The support leg 4 cooperates with the telescopic rod 5 to adjust the length of the support leg 4.

[0022] Further, the telescopic rod 5 is U-shaped, and the support leg 4 is inserted between the two telescopic rods 5 on both sides, which is convenient for adjusting the length.

[0023] Further, the limiting block 15 is obliquely fixed at one end of the support leg 4 away from the rotating block 8 to limit the rotation angle of the support leg 4.

[0024] Further, grooves matching the telescopic rod 5 are opened on both sides of the support leg 4, which is not only convenient for the telescopic rod 5 to slide, but also limits the displacement direction of the telescopic rod 5.

[0025] Further, the spirit levels 2 are arranged on both sides of the storage structure 1 to provide a horizontal reference for the user.

[0026] Working principle: The core components of the system include a turntable 10, which is characterized by an integrated storage structure 1. On both sides of the bottom of this structure, a plurality of spirit levels 2 are arranged to ensure the accuracy of the horizontal state of the turntable 10. On one side of the turntable 10 away from the storage structure 1, a number of ball seats 11 are annularly distributed. Each ball seat 11 is internally provided with a ball head 14 for cooperating with the ball seat 11. One end of the ball head 14 away from the ball seat 11 is fixedly connected to a screw rod 12. The design of the screw rod 12 takes into account the fine-tuning function, that is, an adjusting block 13 is provided at one end of the screw rod 12 near the ball head 14 on the outer side. In addition, the other side of the adjusting block 13 is arranged on a threaded hole 17 opened inside the base 3. For the base 3 part, on the side opposite to the adjusting block 13, a number of rotating seats 18 are also annularly arranged. A pin shaft 7 is internally provided in these rotating seats 18, and one end of a support leg 4 is sleeved on the outer side of the pin shaft 7. The side of the support leg 4 is adjacent to a limit block 15 to increase stability and control the rotation range of the support leg 4. In order to realize the flexible adjustment of the length of the support leg 4, telescopic rods 5 are arranged on both sides of the support leg 4. The end of the telescopic rod 5 near the limit block 15 is designed with a collar 16, and a fixing bolt 9 is provided at the middle position of the collar 16. After adjusting to the required height, tighten the fixing bolt 9 to prevent the telescopic rod 5 from retracting. The other end of the telescopic rod 5 away from the collar 16 is also provided with a pin shaft 7 and a rotating block 8. A backing plate 6 is fixed on one side of the rotating block 8 to increase the stability of the support leg 4 in contact with the ground. Through the synergistic effect, a number of screw rods 12 are combined with the threaded holes 17, and by rotating the adjusting block 13, the fine adjustment of the up and down movement of the screw rod 12 is realized. Such a design enables the ball head 14 and the ball seat 11 to finally accurately adjust the horizontal state of the turntable 10. In addition, the combined use of the support leg 4 and the telescopic rod 5 further allows the accurate adjustment of the length of the support leg 4 to meet the requirements for the stability of the projection device in different working environments.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A projection device bracket, characterized in that: The invention comprises a turntable (10), wherein a storage structure (1) is provided on the turntable (10), and a plurality of levelers (2) are provided at the bottom of both sides of the storage structure (1); a plurality of ball seats (11) are arranged in a ring shape on the side of the turntable (10) away from the storage structure (1), and a ball head (14) is sleeved in each ball seat (11); a screw rod (12) is fixed on the side of the ball head (14) away from the ball seat (11); an adjustment block (13) is sleeved on the end of the outer side of the screw rod (12) close to the ball head (14); the side of the adjustment block (13) away from the ball head (14) is sleeved in a threaded hole (17) on the outer side of the screw rod (12); the threaded hole (17) is provided inside a base (3); and the base (11) is provided with a plurality of ball seats (11) arranged in a ring shape. 3) A plurality of rotating seats (18) are arranged in a ring shape on the side away from the adjusting block (13), a pin shaft (7) is sleeved inside the rotating seat (18), the outer side of the pin shaft (7) is sleeved on one end of the leg (4), a limit block (15) is fixed on the side of the end of the leg (4) close to the pin shaft (7), a telescopic rod (5) is attached to both sides of the leg (4), a collar (16) is sleeved on the end of the telescopic rod (5) close to the limit block (15), a fixing bolt (9) is sleeved in the middle of the collar (16), a pin shaft (7) is also provided on the end of the telescopic rod (5) away from the collar (16), a plurality of rotating blocks (8) are sleeved on both ends of the pin shaft (7), and a pad (6) is fixed on one side of the rotating block (8).

2. A projection device bracket according to claim 1, characterized in that: The telescopic rod (5) is U-shaped, and a supporting leg (4) is inserted between the telescopic rods (5) on both sides.

3. The projection device bracket according to claim 1, characterized in that: The limiting block (15) is tilted and fixed on an end of the supporting leg (4) away from the rotating block (8).

4. The projection device bracket according to claim 1, characterized in that: Grooves matching with the telescopic rod (5) are formed on both sides of the supporting leg (4).

5. The projection device bracket according to claim 1, characterized in that: The leveler (2) is arranged on both sides of the storage structure (1).

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