Stage fireproof curtain control driving mechanism

Abstract

The utility model relates to the technical field of fireproof curtain driving, in particular to a stage fireproof curtain control driving mechanism, an auxiliary device comprises a U-shaped rod, the U-shaped rod is fixedly installed on the bottom surface of a frame plate, the outer wall surface of the U-shaped rod is in sliding connection with a plurality of sliding rings, the outer wall surface of each sliding ring is fixedly provided with a hook, and a fireproof curtain body is hung on the hooks. A threaded rod is rotationally connected between the inner walls of the two sides of the through groove, a limiting ring is fixedly installed at a port of one end of the threaded rod, a rotating wheel is fixedly installed on the surface of the end, away from the threaded rod, of the limiting ring, a sliding rod is fixedly installed between the inner walls of the two sides of the through groove, and a movable plate is in threaded connection with the surface of the threaded rod; and a connecting rod is fixedly mounted between the movable plate and one of the sliding rings. The stage fireproof curtain driving mechanism solves the problem that the existing stage fireproof curtain driving mechanism is mostly driven by a motor, and the fireproof curtain can not be put down if the power is off or a fault occurs, so that the fireproof curtain loses the effect.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-proof curtain driving, in particular to a stage fire-proof curtain control driving mechanism. Background Art

[0002] Stage curtains are indispensable equipment on various types of theaters, cinemas, auditoriums, clubs, studios, etc. They decorate the stage and improve the performance effect. Currently, the curtains widely used on the stage include stage curtains, two-way curtains, three-way curtains, eaves curtains, horizontal side curtains, gauze curtains, sky curtains, sound-absorbing curtains, cascade curtains, side curtains, safety and fire curtains, etc.

[0003] Most of the existing stage fire curtain drive mechanisms are driven by motors. If there is a power outage or a malfunction, the fire curtain cannot be lowered, and the fire curtain loses its effect. Utility Model Content

[0004] The utility model aims to solve the technical problems in the above background and proposes a stage fire curtain control driving mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stage fire curtain control drive mechanism, comprising a frame plate, the surface of the frame plate is provided with a through groove, the bottom surface of the frame plate is provided with an auxiliary device, the auxiliary device comprises a U-shaped rod, the U-shaped rod is fixedly installed on the bottom surface of the frame plate, the outer wall surface of the U-shaped rod is slidably connected with a plurality of slip rings, the outer wall surface of the slip ring is fixedly installed with a hook, and the fire curtain body is hung on the hook. The setting of the slip ring has the effect of allowing the hook to move, and the setting of the hook has the effect of supporting the fire curtain.

[0006] Preferably, a threaded rod is rotatably connected between the inner walls on both sides of the through groove, a limiting ring is fixedly installed on one end of the threaded rod, and a rotating wheel is fixedly installed on the end surface of the limiting ring away from the threaded rod. The setting of the rotating wheel and the limiting ring has the effect of driving the threaded rod to rotate.

[0007] Preferably, a slide rod is fixedly installed between the inner walls of both sides of the through groove, a movable plate is threadedly connected to the surface of the threaded rod, and a connecting rod is fixedly installed between the movable plate and one of the slip rings. The threaded rod has the effect of driving the movable plate to move on the surface of the slide rod, and the connecting rod has the effect of driving the slip ring to move on the surface of the slide rod.

[0008] Preferably, a limiting device is provided on the side of the frame plate, and the limiting device comprises a strip plate, the strip plate is fixedly mounted on the side of the frame plate, a sliding groove is provided on the surface of the strip plate, a movable plate is slidably connected inside the sliding groove, a limiting rod is fixedly mounted on the surface of the movable plate, and a plurality of limiting holes are provided in an annular side wall of the limiting ring. The setting of the limiting rod and the limiting holes has the effect of limiting the rotation of the limiting ring.

[0009] Preferably, a long groove is formed on the top surface of the strip plate, a displacement plate is slidably connected inside the long groove, and one end of the displacement plate away from the long groove is fixedly connected to the moving plate. The setting of the displacement plate plays an effect of driving the moving plate to move inside the slide groove.

[0010] Preferably, the surface of the displacement plate is threadedly connected with bolts, and the top surface of the strip plate is evenly provided with a plurality of threaded holes. The arrangement of the bolts and threaded holes has the effect of limiting the position of the displacement plate inside the long slot.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by setting an auxiliary device, when the fireproof curtain needs to be used, the rotating wheel is rotated first, and the rotation of the rotating wheel drives the limit ring to rotate, the rotation of the limit ring drives the threaded rod to rotate, the rotation of the threaded rod drives the movable plate to move on the surface of the slide rod, the movement of the movable plate on the surface of the slide rod drives the connecting rod to move, the movement of the connecting rod drives the slip ring to move on the surface of the slide rod, the movement of the slip ring on the surface of the slide rod drives the hook to move, and the movement of the hook drives the fireproof curtain to unfold. Through the cooperation of the above structure, the purpose of manually retracting and extending the fireproof curtain is achieved, avoiding the various disadvantages brought about by using a motor to drive the fireproof curtain.

[0013] 2. In the utility model, a limit device is provided. When the limit ring needs to be limited, the bolt is first loosened and the bolt is screwed out from the inside of the threaded hole. The bolt and the threaded hole are separated, so that the displacement plate loses its limit in the long groove. At this time, the displacement plate is slid, and the displacement plate moves in the long groove, driving the moving plate to move in the slide groove. The moving plate moves in the slide groove and drives the limit rod to move. The limit rod moves so that it inserts itself into the limit hole. The limit rod and the limit hole are plugged in, thereby limiting the rotation of the limit ring. When the limit rod and the limit hole are fully plugged in, the bolt is screwed into the corresponding threaded hole again to fix the position of the displacement plate in the long groove at this time. Through the cooperation of the above structure, the purpose of limiting the limit ring is achieved, thereby preventing the rotating wheel from rotating due to external force, causing the fire curtain to be suddenly retracted and released. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A three-dimensional structural schematic diagram of a stage fire curtain control driving mechanism is proposed for the utility model;

[0015] Figure 2 The utility model provides a right view structural schematic diagram of a stage fire curtain control driving mechanism;

[0016] Figure 3 The utility model provides a left-side structural schematic diagram of a stage fire curtain control drive mechanism;

[0017] Figure 4 The utility model proposes a stage fire curtain control drive mechanism Figure 1 The structural diagram at A in the middle;

[0018] Legend:

[0019] 1. Frame plate; 2. Through groove; 3. Auxiliary device; 301. U-shaped rod; 302. Slip ring; 303. Hook; 304. Fire curtain; 305. Threaded rod; 306. Limiting ring; 307. Rotating wheel; 308. Sliding rod; 309. Movable plate; 310. Connecting rod; 4. Limiting device; 41. Strip plate; 42. Slide groove; 43. Moving plate; 44. Limiting rod; 45. Limiting hole; 46. Long groove; 47. Displacement plate; 48. Bolt; 49. Threaded hole. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] See also Figure 1-4 The utility model provides a technical solution: a stage fire curtain control driving mechanism, comprising a frame plate 1, and a through groove 2 is opened on the surface of the frame plate 1.

[0023] The specific settings and functions of the auxiliary device 3 and the limiting device 4 are described in detail below.

[0024] In this embodiment: an auxiliary device 3 is provided on the bottom surface of the frame plate 1, and the auxiliary device 3 includes a U-shaped rod 301, and the U-shaped rod 301 is fixedly installed on the bottom surface of the frame plate 1. The outer wall surface of the U-shaped rod 301 is slidably connected with multiple slip rings 302, and the outer wall surface of the slip ring 302 is fixedly installed with a hook 303, and a fireproof curtain body 304 is hung on the hook 303.

[0025] In this embodiment, the setting of the slip ring 302 allows the hook 303 to move, and the setting of the hook 303 supports the fireproof curtain 304.

[0026] Specifically, a threaded rod 305 is rotatably connected between the inner walls on both sides of the through groove 2 , a limit ring 306 is fixedly installed on one end of the threaded rod 305 , and a rotating wheel 307 is fixedly installed on the end surface of the limit ring 306 away from the threaded rod 305 .

[0027] In this embodiment, the arrangement of the rotating wheel 307 and the limiting ring 306 has the effect of driving the threaded rod 305 to rotate.

[0028] Specifically, a slide bar 308 is fixedly installed between the inner walls of both sides of the through slot 2, a movable plate 309 is threadedly connected to the surface of the threaded rod 305, and a connecting rod 310 is fixedly installed between the movable plate 309 and one of the slip rings 302. The setting of the threaded rod 305 has the effect of driving the movable plate 309 to move on the surface of the slide bar 308, and the setting of the connecting rod 310 has the effect of driving the slip ring 302 to move on the surface of the slide bar 308.

[0029] In this embodiment: a limit device 4 is provided on the side of the frame plate 1, and the limit device 4 includes a strip plate 41, and the strip plate 41 is fixedly installed on the side of the frame plate 1. A sliding groove 42 is provided on the surface of the strip plate 41, and a movable plate 43 is slidably connected inside the sliding groove 42. A limit rod 44 is fixedly installed on the surface of the movable plate 43, and a plurality of limit holes 45 are provided in an annular side wall of the limit ring 306. When it is necessary to limit the limit ring 306, first loosen the bolt 48 and screw the bolt 48 out from the inside of the threaded hole 49. The bolt 48 and the threaded hole 49 are separated, so that the displacement plate 47 loses its limit in the inside of the long groove 46. At this time, the displacement plate 47 is slid, and the displacement plate 47 moves in the inside of the long groove 46 to drive the movable plate 43 to move in the inside of the slide groove 42. The movement of the movable plate 43 in the inside of the slide groove 42 drives the limit rod 44 to move. The limit rod 44 moves to insert itself into the inside of the limit hole 45, and the limit rod 44 and the limit hole 45 are plugged in, thereby limiting the rotation of the limit ring 306. When the limit rod 44 and the limit hole 45 are plugged in, the bolt 48 is screwed into the corresponding threaded hole 49 again to fix the position of the displacement plate 47 in the inside of the long groove 46 at this time. Through the cooperation of the above structure, the purpose of limiting the limit ring 306 is achieved, thereby preventing the rotating wheel 307 from rotating due to external force, causing the fire curtain 304 to be suddenly retracted and released.

[0030] Specifically, a long groove 46 is formed on the top surface of the strip plate 41 , and a displacement plate 47 is slidably connected inside the long groove 46 . One end of the displacement plate 47 away from the long groove 46 is fixedly connected to the moving plate 43 .

[0031] In this embodiment, the arrangement of the displacement plate 47 has the effect of driving the moving plate 43 to move inside the sliding groove 42 .

[0032] Specifically, a bolt 48 is threadedly connected to the surface of the displacement plate 47 , and a plurality of threaded holes 49 are evenly formed on the top surface of the strip plate 41 .

[0033] In this embodiment, the provision of the bolt 48 and the threaded hole 49 has the effect of limiting the position of the displacement plate 47 inside the long groove 46 .

[0034] Working principle: by setting the auxiliary device 3, when the fireproof curtain 304 needs to be used, first rotate the rotating wheel 307, the rotating wheel 307 drives the limiting ring 306 to rotate, the limiting ring 306 drives the threaded rod 305 to rotate, the threaded rod 305 drives the movable plate 309 to move on the surface of the sliding rod 308, the movable plate 309 moves on the surface of the sliding rod 308 to drive the connecting rod 310 to move, the connecting rod 310 moves and drives the slip ring 302 to move on the surface of the sliding rod 308, the slip ring 302 moves on the surface of the sliding rod 308 to drive the hook 303 to move, the hook 303 moves and drives the fireproof curtain 304 to unfold, through the cooperation of the above structure, the purpose of manually retracting and releasing the fireproof curtain 304 is achieved, avoiding the various disadvantages brought about by using a motor to drive the fireproof curtain 304. When it is necessary to limit the limit ring 306, first loosen the bolt 48 and screw the bolt 48 out from the inside of the threaded hole 49. The bolt 48 and the threaded hole 49 are separated, so that the displacement plate 47 loses its limit in the inside of the long groove 46. At this time, the displacement plate 47 is slid, and the displacement plate 47 moves in the inside of the long groove 46 to drive the movable plate 43 to move in the inside of the slide groove 42. The movement of the movable plate 43 in the inside of the slide groove 42 drives the limit rod 44 to move. The limit rod 44 moves to insert itself into the inside of the limit hole 45, and the limit rod 44 and the limit hole 45 are plugged in, thereby limiting the rotation of the limit ring 306. When the limit rod 44 and the limit hole 45 are plugged in, the bolt 48 is screwed into the corresponding threaded hole 49 again to fix the position of the displacement plate 47 in the inside of the long groove 46 at this time. Through the cooperation of the above structure, the purpose of limiting the limit ring 306 is achieved, thereby preventing the rotating wheel 307 from rotating due to external force, causing the fire curtain 304 to be suddenly retracted and released.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A stage fire curtain control drive mechanism, comprising a frame plate (1), wherein a through groove (2) is formed on the surface of the frame plate (1), and wherein: The bottom surface of the frame plate (1) is provided with an auxiliary device (3), the auxiliary device (3) comprising a U-shaped rod (301), the U-shaped rod (301) being fixedly mounted on the bottom surface of the frame plate (1), a plurality of slip rings (302) being slidably connected to the outer wall surface of the U-shaped rod (301), a hook (303) being fixedly mounted on the outer wall surface of the slip ring (302), a fireproof curtain body (304) being hung on the hook (303); the inner walls on both sides of the through groove (2) are rotatably connected to each other. A threaded rod (305) is provided, a limit ring (306) is fixedly installed on one end of the threaded rod (305), and a rotating wheel (307) is fixedly installed on the surface of one end of the limit ring (306) away from the threaded rod (305); a sliding rod (308) is fixedly installed between the inner walls of both sides of the through groove (2), a movable plate (309) is threadedly connected to the surface of the threaded rod (305), and a connecting rod (310) is fixedly installed between the movable plate (309) and one of the sliding rings (302).

2. A stage fire curtain control driving mechanism according to claim 1, characterized in that: A limiting device (4) is provided on the side of the frame plate (1), and the limiting device (4) comprises a strip plate (41). The strip plate (41) is fixedly mounted on the side of the frame plate (1), a sliding groove (42) is provided on the surface of the strip plate (41), a movable plate (43) is slidably connected inside the sliding groove (42), a limiting rod (44) is fixedly mounted on the surface of the movable plate (43), and a plurality of limiting holes (45) are provided in an annular side wall of the limiting ring (306).

3. A stage fire curtain control driving mechanism according to claim 2, characterized in that: A long groove (46) is formed on the top surface of the strip plate (41), a displacement plate (47) is slidably connected inside the long groove (46), and one end of the displacement plate (47) away from the long groove (46) is fixedly connected to the movable plate (43).

4. A stage fire curtain control driving mechanism according to claim 3, characterized in that: The surface of the displacement plate (47) is threadedly connected with a bolt (48), and the top surface of the strip plate (41) is evenly provided with a plurality of threaded holes (49).

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