Synchronous turnover mechanism
By designing a synchronous flip mechanism, the synchronous flip of stage props is achieved using articulation holes and push rods, which solves the complex and cost-effective problems of the existing technology, and realizes a simple structure and efficient stage effect, reducing costs and increasing the vividness of the performance. Sexual and visual impact.
Patent Information
- Application Number
- CN202421191755.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The lifting or horizontal movement technology of existing stage props is complex, which increases the workload of stage preparation and the space occupied by equipment, resulting in high costs.
A synchronous flip mechanism is designed, including a swing arm base, an active swing arm and a follow-up swing arm. It can be synchronously flipped through a hinged hole and push rod, and is equipped with an electric push rod or hydraulic cylinder for power transmission, with a maximum flip angle of 90 degrees.
It realizes the simple structure and craftsmanship of stage props, dislocated arrangement, synchronous movement, and presents a three-dimensional effect, reducing the workload of stage preparation and equipment space, reducing costs, and increasing the vividness and visual impact of the performance effect.
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Figure CN222278074U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stage props, in particular to a synchronous flipping mechanism. Background Art
[0002] As living standards continue to improve, audiences have higher and higher requirements for the effects of artistic performances. Stage props used for performances are an indispensable part of the performance and play an important role in the performance effect.
[0003] Background boards, LED screens, projection screens, etc. are all common stage props in performances. They need to appear or disappear during the performance. The existing technology generally achieves this by lifting or leveling. These methods have complex structures and control processes, and the workload of stage preparation and the space occupied by stage equipment are large, which increases the cost investment. Utility Model Content
[0004] The purpose of the utility model is to solve the problems existing in the prior art. The utility model provides a synchronous flipping mechanism, which can be used for flipping stage props such as background boards, LED screens, and projection screens. It has a simple structure and process, and is staggered in arrangement to achieve synchronous movement and present a three-dimensional effect, making the stage performance scene more vivid and colorful.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A synchronous flipping mechanism includes a swing arm base, an active swing arm and a follower swing arm, wherein the number of the swing arm bases is two and they are staggered in the front and back directions, a flip shaft is arranged on the top, a hinge hole A is arranged on the upper part of the active swing arm, a hinge hole B and a pushing hinge seat are arranged on the middle and lower parts, a hinge hole a and a hinge hole b corresponding to the positions of the hinge hole A and the hinge hole B are arranged on the follower swing arm, the hinge hole A and the hinge hole a are respectively hinged to the flip shafts of the two swing arm bases, a synchronous linkage push rod hinged to the hinge hole B and the hinge hole b is arranged between the hinge hole B and the hinge hole b, and the push hinge seat is hinged to the movable end of the pushing device. The movable end of the pushing device works to make the active swing arm rotate and swing through the hinge hole A and the flip shaft, and under the action of the synchronous linkage push rod, the follower swing arm rotates and swings synchronously through the hinge hole a and the flip shaft.
[0007] Preferably, the hinge hole A is located at one end of the upper part of the active swing arm, and the corresponding hinge hole a is located at one end of the upper part of the follower swing arm.
[0008] Preferably, the lower parts of the active swing arm and the follower swing arm are respectively provided with a counterweight block A and a counterweight block B. The counterweight block has the function of reducing the power of the swing arm and saving energy.
[0009] Preferably, the maximum flip angle of the active swing arm and the follower swing arm is 90 degrees.
[0010] Preferably, the main bodies of the active swing arm and the follower swing arm are frame welded structures.
[0011] Preferably, the center points of the hinge hole A, the hinge hole B, the hinge hole b and the hinge hole a are sequentially connected to form a parallelogram.
[0012] Preferably, the pushing device is an electric push rod or a hydraulic cylinder.
[0013] Preferably, the other end of the pushing device is hinged to the pushing device base.
[0014] Preferably, a connecting cross bar is provided between the swing arm base where the follower swing arm is located and the pushing device base to improve the structural strength of the mechanism and make it more stable.
[0015] The advantages of the utility model are: 1. It is used for flipping stage props such as background boards, LED screens, and projection screens, and has a simple structure and process;
[0016] 2. The mechanism is staggered to achieve synchronous movement and present a three-dimensional effect, making the stage performance more vivid and colorful;
[0017] 3. Realize flipping from the initial position of 0 degrees to 90 degrees, simplify the automation control program, reduce the workload of stage preparation and the space occupied by stage equipment, reduce investment costs, and increase economic benefits;
[0018] 4. In live performances, multiple mechanisms are arranged in an array to create a grander scene and produce shocking visual effects. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is the main structural diagram of the utility model (after flipping);
[0020] Figure 2 This is a top view of the structure of the utility model (before flipping);
[0021] Figure 3 It is a top view of the structure of the active swing arm and the pushing device in the utility model (before turning over);
[0022] Figure 4 This is a front structural diagram of the swing arm base in the utility model;
[0023] Figure 5 This is a top view of the structure of the swing arm base in the utility model;
[0024] Figure 6This is a front structural diagram of the active swing arm in the utility model (after flipping);
[0025] Figure 7 It is a side view structural diagram of the active swing arm in the utility model (after flipping);
[0026] Figure 8 This is a front structural diagram of the follower swing arm in the utility model (after flipping).
[0027] Description of the main component symbols in the figure:
[0028] 10. Swing arm base; 11. Flip axis;
[0029] 20. Active swing arm; 21. Articulation hole A; 22. Articulation hole B; 23. Pushing articulation seat; 24. Counterweight A;
[0030] 30. Follow-up swing arm; 31. Articulation hole a; 32. Articulation hole b; 33. Counterweight block b;
[0031] 40. Synchronous linkage push rod;
[0032] 50. Pushing device; 51. Pushing device base; 52. Connecting cross bar. DETAILED DESCRIPTION
[0033] In order to more clearly illustrate the present invention, the present invention is further described below in conjunction with the accompanying drawings.
[0034] Embodiment 1: Figure 1-5 As shown, a synchronous flipping mechanism includes a swing arm base 10, an active swing arm 20 and a follower swing arm 30. The number of the swing arm bases 10 is two and they are staggered front to back, and a flipping shaft 11 is arranged on the top.
[0035] Combination Figure 6-8 As shown, the active swing arm 20 is provided with a hinge hole A21 at the upper part, a hinge hole B22 and a push hinge seat 23 at the middle and lower part, and the follower swing arm 30 is provided with a hinge hole a31 and a hinge hole b32 corresponding to the positions of the hinge hole A21 and the hinge hole B22. The hinge hole A21 and the hinge hole a31 are respectively hinged to the flip shaft 11 of the two swing arm bases 10. A synchronous linkage push rod 40 is provided between the hinge hole B22 and the hinge hole b32, and the push hinge seat 23 is hinged to the active end of the push device 50. The center points of the hinge hole A21, the hinge hole B22, the hinge hole b32 and the hinge hole a31 are sequentially connected to form a parallelogram.
[0036] Wherein, the main bodies of the active swing arm 20 and the follower swing arm 30 are frame welding structures.
[0037] In addition, the pushing device 50 is an electric push rod or a hydraulic cylinder, the other end of the pushing device 50 is hinged to the pushing device base 51, and a connecting cross bar 52 is provided between the swing arm base 10 where the follower swing arm 30 is located and the pushing device base 51.
[0038] Embodiment 2: Combination Figure 6-8 As shown, on the basis of Example 1, the hinge hole A21 is located at one end of the upper part of the active swing arm 20, and the corresponding hinge hole a31 is located at one end of the upper part of the follower swing arm 30, and the lower parts of the active swing arm 20 and the follower swing arm 30 are respectively provided with counterweight blocks A24 and counterweight blocks b33.
[0039] Wherein, the maximum flip angle of the active swing arm 20 and the follower swing arm 30 is 90 degrees.
[0040] Working principle: Combined with Figure 1 As shown, the active end of the pushing device 50 works so that the active swing arm 20 rotates and swings through the hinge hole A21 and the flip shaft 11. Under the action of the synchronous linkage push rod 40, the follower swing arm 30 rotates and swings synchronously through the hinge hole a31 and the flip shaft 11.
[0041] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. The present invention can be used on similar products. Any changes or modifications made by any technician in the field of the present invention are covered by the patent scope of the present invention.
Claims
1. A synchronous flipping mechanism, characterized in that: It comprises a swing arm base (10), an active swing arm (20) and a follower swing arm (30), wherein the number of the swing arm bases (10) is two and they are arranged in a staggered manner facing each other front and back, and a turning shaft (11) is arranged on the top; The active swing arm (20) is provided with a hinge hole A (21) at the upper part, and a hinge hole B (22) and a pushing hinge seat (23) at the middle and lower part; the follower swing arm (30) is provided with a hinge hole a (31) and a hinge hole b (32) corresponding to the positions of the hinge hole A (21) and the hinge hole B (22); the hinge hole A (21) and the hinge hole a (31) are respectively hinged to the turning shafts (11) of the two swing arm bases (10); a synchronous linkage push rod (40) hinged to the hinge hole B (22) and the hinge hole b (32) is provided between the hinge hole B (22) and the hinge hole b (32), and the pushing hinge seat (23) is hinged to the movable end of the pushing device (50).
2. A synchronous flipping mechanism according to claim 1, characterized in that: The hinge hole A (21) is located at one end of the upper portion of the active swing arm (20), and the corresponding hinge hole a (31) is located at one end of the upper portion of the follower swing arm (30).
3. A synchronous flipping mechanism according to claim 2, characterized in that: A counterweight block A (24) and a counterweight block B (33) are respectively disposed at the lower parts of the active swing arm (20) and the follower swing arm (30).
4. A synchronous flipping mechanism according to claim 1, characterized in that: The maximum flip angle of the active swing arm (20) and the follower swing arm (30) is 90 degrees.
5. A synchronous flipping mechanism according to claim 1, characterized in that: The main bodies of the active swing arm (20) and the follower swing arm (30) are frame welded structures.
6. A synchronous flipping mechanism according to claim 1, characterized in that: The center points of the hinge hole A (21), the hinge hole B (22), the hinge hole b (32) and the hinge hole a (31) are sequentially connected to form a parallelogram.
7. A synchronous turning mechanism according to any one of claims 1 to 6, characterized in that: The pushing device (50) is an electric push rod or a hydraulic cylinder.
8. A synchronous turning mechanism according to claim 7, characterized in that: The other end of the pushing device (50) is hinged to the pushing device base (51).
9. A synchronous turning mechanism according to claim 8, characterized in that: A connecting cross bar (52) is provided between the swing arm base (10) where the follower swing arm (30) is located and the pushing device base (51).