Double-layer flexible gate anti-falling device

Abstract

The utility model relates to the technical field of double-layer flexible hangar door security and protection, in particular to a double-layer flexible gate anti-falling device which comprises a flexible gate framework, the flexible gate framework comprises side beams on the two sides, an upper beam is fixedly connected to the upper ends of the side beams, a rolling structure is arranged in the upper beam, and a load strap and a connecting belt are arranged at the lower end of the rolling structure. A plurality of sets of supporting beams are arranged between the side beams, the upper ends and the lower ends of the supporting beams are connected through connecting belts, the lower end of the connecting belt at the lowermost end is connected with a bottom beam, the middle of the upper end of the bottom beam is connected with a load strap, and anti-falling assemblies are arranged in the two ends of the bottom beam. And the anti-falling assembly is simple in structure, convenient to install and high in response speed, braking can be rapidly conducted, the effects of safety protection and prevention of potential safety hazards caused by sudden accidents are achieved, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-layer flexible hangar door security, in particular to a double-layer flexible door anti-falling device. Background Art

[0002] Flexible doors are mainly used in large places. Due to the large span, once the load strap breaks, it is easy to cause a safety accident. The existing flexible door is driven by a motor to pull the load strap, and the load strap pulls the bottom beam. Pulleys are installed on both sides of the bottom beam and move up and down along the side beam. Once the load strap breaks, the flexible door will drop rapidly under the action of gravity, which is easy to cause a safety accident. The existing flexible door anti-falling device mainly adopts the method of steel wire rope rotating shaft, which is troublesome to install. Therefore, the utility model proposes a double-layer flexible door anti-falling device to solve the above problem. Utility Model Content

[0003] The purpose of the utility model is to provide a double-layer flexible door anti-falling device to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a double-layer flexible door anti-falling device, comprising

[0005] A flexible door structure, the flexible door structure includes side beams on both sides, the upper ends of the side beams are fixedly connected to upper beams, a winding structure is arranged inside the upper beams, a load strap and a connecting strap are arranged at the lower end of the winding structure, a plurality of groups of support beams are arranged between the side beams, the upper and lower ends of the support beams are connected by connecting straps, the lower end of the lowest connecting strap is connected to the bottom beam, the middle of the upper end of the bottom beam is connected to the load strap, and anti-falling components are arranged inside the two ends of the bottom beam, and the anti-falling components correspond to the side beam structure.

[0006] Preferably, a roller box is provided inside the upper beam, and a winding roller is rotatably connected inside the roller box. Rotating shafts are provided at both ends of the winding roller, one end of the rotating shaft passes through the roller box and is connected to the outside, and the end transmission is connected to the transmission output end of the motor. The motor is fixedly connected to the outside of one end of the bottom beam, a load shoulder belt is wound around the outside of the winding roller, and a connecting belt is fixedly connected to the lower end of the upper beam.

[0007] Preferably, the cross-section of the side beam is arched, the grooves on both sides of the inner side of the side beam are limit grooves, the protruding part in the middle is a perforated block, and the perforated block is provided with a plurality of evenly distributed sockets, which correspond to the anti-fall components.

[0008] Preferably, the anti-fall component includes a front baffle fixedly connected to one end of the bottom beam, and a rear baffle is correspondingly arranged inside the bottom beam, a corresponding through hole is opened between the front baffle and the rear baffle, an elastic plug rod is inserted in the through hole, a spring baffle is arranged on the outside of the elastic plug rod between the front baffle and the rear baffle, a support spring is arranged between the spring baffle and the rear baffle, the support spring is sleeved on the outside of the elastic plug rod, and a connecting head is arranged at the end limit of the spring plug rod at the rear end of the rear baffle.

[0009] Preferably, the anti-falling assembly also includes a pulley fixedly connected to the upper end of the inner side bottom beam of the rear side of the rear baffle.

[0010] Preferably, the anti-fall component also includes a right-angle pull plate hinged at the upper end of the rear side of the pulley, the right-angle pull plate includes an inverted L-shaped pull plate, a hinge joint is provided on the front side of the upper end of the right-angle pull plate, a strap pull rod is fixedly connected to the middle of the upper end of the right-angle pull plate, a hinge shaft is connected in the middle of the hinge joint, both ends of the hinge shaft are connected to the upper end of the bottom beam, and the outer side of the strap pull rod is connected to the end of the load strap.

[0011] Preferably, a steel cable is connected to the lower end of the right-angle pull plate, and the steel cable passes through the end of the pulley and is connected to the outer side of the connecting shaft inside the connecting head.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can effectively increase the safety of flexible door use and reduce safety hazards by arranging the anti-fall component. The anti-fall component has a simple structure, is easy to install, has a fast reaction speed, and can brake quickly. When the load strap breaks, it can react quickly to stop the bottom beam. When the load strap breaks, the elastic plug rod will release the pulling restriction and be supported by the spring to quickly extend to correspond to the inner structure of the side beam. The end of the spring plug rod will be inserted into the hole opened on the perforated protrusion, thereby stopping the bottom beam, thereby playing a safety protection role, preventing safety hazards caused by sudden accidents, and increasing safety in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a bottom structural view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the anti-fall component in the utility model;

[0017] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1 side beam, 2 upper beam, 3 bottom beam, 4 support beam, 5 roller box, 6 winding roller, 7 motor, 8 load shoulder strap, 9 connecting strap, 10 anti-fall assembly, 11 front baffle, 12 rear baffle, 13 elastic plug rod, 14 spring baffle, 15 support spring, 16 connector, 17 pulley, 18 right-angle pull plate, 19 shoulder strap connecting rod, 20 hinge head, 21 hinge shaft, 22 limit groove, 23 holed protrusion. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a double-layer flexible door anti-falling device, comprising

[0024] Flexible door frame, the flexible door frame includes side beams 1 on both sides, the upper end of the side beam 1 is fixedly connected to the upper beam 2, a winding structure is arranged inside the upper beam 2, a load shoulder belt 8 and a connecting belt 9 are arranged at the lower end of the winding structure, a plurality of groups of support beams 4 are arranged between the side beams 1, the upper and lower ends of the support beams 4 are connected by connecting belts 9, the lower end of the lowest connecting belt 9 is connected to the bottom beam 3, the middle of the upper end of the bottom beam 3 is connected to the load shoulder belt 8, and an anti-falling component 10 is arranged inside the two ends of the bottom beam 3, and the anti-falling component 10 corresponds to the structure of the side beam 1;

[0025] A roller box 5 is arranged inside the upper beam 2, and a winding roller 6 is rotatably connected inside the roller box 5. Rotating shafts are arranged at both ends of the winding roller 6, one end of which passes through the roller box 5 and is connected to the outside, and the end is transmission-connected to the transmission output end of the motor 7. The motor 7 is fixedly connected to the outside of one end of the bottom beam 3, and a load shoulder belt 8 is wound and connected to the outside of the winding roller 6. A connecting belt 9 is fixedly connected to the lower end of the upper beam 2;

[0026] The side beam 1 has an arched cross section, and the grooves on both sides of the inner side of the side beam 1 are limit grooves 22, and the protruding part in the middle is a convex block 23 with holes. The convex block 23 with holes is provided with a number of evenly distributed plug holes, and the plug holes correspond to the anti-falling component 10. The side beam 1 with an arched cross section can effectively limit the movement range of the support beam 4 and the bottom beam 3, ensure the stability and smoothness when moving up and down, effectively improve the support and stability effect, and can cooperate with the anti-falling component 10 to improve the safety of use;

[0027] The anti-falling assembly 10 includes a front baffle 11 fixedly connected to one end of the bottom beam 3, and a rear baffle 12 is correspondingly arranged inside the bottom beam 3. A corresponding through hole is opened between the front baffle 11 and the rear baffle 13, and an elastic plug rod 13 is inserted into the through hole. A spring baffle 14 is arranged on the outside of the elastic plug rod 13 between the front baffle 11 and the rear baffle 12, and a support spring 15 is arranged between the spring baffle 14 and the rear baffle 12. The support spring 15 is sleeved on the outside of the elastic plug rod 13 and on the rear baffle 12. The end of the spring rod 13 at the rear end is limitedly provided with a connector 16. When the load strap 8 breaks, the bottom beam 3 can be stopped by the anti-fall component. When the load strap 8 breaks, the elastic rod 13 releases the pulling restriction and is supported by the spring to quickly extend to correspond to the inner structure of the side beam 1. The end of the spring rod 13 is inserted into the hole opened on the perforated protrusion 23, thereby stopping the bottom beam 3, thereby playing a safety protection role, preventing safety hazards caused by sudden accidents, and increasing safety in use.

[0028] The anti-falling assembly 10 also includes a pulley 17 fixedly connected to the upper end of the inner side of the bottom beam 3 at the rear side of the rear baffle 12;

[0029] The anti-falling assembly 10 also includes a right-angle pull plate 18 hinged at the upper end of the rear side of the pulley 17, the right-angle pull plate 18 includes an inverted L-shaped pull plate, a hinge head 20 is provided at the front side of the upper end of the right-angle pull plate 18, a strap pull rod 19 is fixedly connected to the middle of the upper end of the right-angle pull plate 18, a hinge shaft 21 is connected in the middle of the hinge head 20, both ends of the hinge shaft 21 are connected to the upper end of the bottom beam 3, and the outer side of the strap pull rod 19 is connected to the end of the load strap 8;

[0030] A steel cable is connected to the lower end of the right-angle pull plate 18, and the steel cable passes through the end of the pulley 17 and is connected to the outer side of the connecting shaft inside the connecting head 16. The steel cable can be used to pull the elastic plug rod 13 so that it is always in a firing state. The upper end of the right-angle pull plate 18 is connected and pulled by the load strap 8, so that the right-angle pull plate 18 rotates along the hinge shaft 21 to pull the steel cable, thereby stretching the spring plug rod 13 backward. When the load strap 8 breaks, the tension disappears, and the spring plug rod 13 will be supported by the supporting spring 15 to quickly fire and extend forward. During the falling process of the bottom beam 3, the spring plug rod 13 will be inserted into the nearest socket on the side beam 1, thereby stopping the bottom beam 3, avoiding the safety accident of the flexible door falling, and increasing the safety of use.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer flexible door anti-falling device, characterized in that: include A flexible door structure, the flexible door structure comprising side beams (1) on both sides, the upper ends of the side beams (1) being fixedly connected to an upper beam (2), a winding structure being arranged inside the upper beam (2), a load shoulder strap (8) and a connecting strap (9) being arranged at the lower end of the winding structure, a plurality of groups of support beams (4) being arranged between the side beams (1), the upper and lower ends of the support beams (4) being connected by connecting straps (9), the lower end of the lowest connecting strap (9) being connected to a bottom beam (3), the middle of the upper end of the bottom beam (3) being connected to the load shoulder strap (8), an anti-falling assembly (10) being arranged inside the two ends of the bottom beam (3), the anti-falling assembly (10) corresponding to the structure of the side beams (1).

2. A double-layer flexible door anti-falling device according to claim 1, characterized in that: A roller box (5) is arranged inside the upper beam (2), a winding roller (6) is rotatably connected inside the winding roller box (5), rotating shafts are arranged at both ends of the winding roller (6), one end of the rotating shaft passes through the winding roller box (5) and is connected to the outside, and the end is transmission-connected to the transmission output end of the motor (7), the motor (7) is fixedly connected to the outside of one end of the bottom beam (3), a load shoulder belt (8) is wound around the outside of the winding roller (6), and a connecting belt (9) is fixedly connected to the lower end of the upper beam (2).

3. A double-layer flexible door anti-falling device according to claim 1, characterized in that: The cross section of the side beam (1) is arched, the grooves on both sides of the inner side of the side beam (1) are limit grooves (22), the protruding part in the middle is a convex block with holes (23), and the convex block with holes (23) is provided with a plurality of evenly distributed plug holes, which correspond to the anti-falling components (10).

4. The double-layer flexible door anti-falling device according to claim 1, characterized in that: The anti-falling component (10) comprises a front baffle (11) fixedly connected to one end of the bottom beam (3), and a rear baffle (12) is correspondingly arranged inside the bottom beam (3); a corresponding through hole is opened between the front baffle (11) and the rear baffle (12), and an elastic plug rod (13) is inserted into the through hole; a spring baffle (14) is arranged outside the elastic plug rod (13) between the front baffle (11) and the rear baffle (12); a support spring (15) is arranged between the spring baffle (14) and the rear baffle (12), and the support spring (15) is sleeved on the outside of the elastic plug rod (13); and a connector (16) is arranged at the end of the elastic plug rod (13) at the rear end of the rear baffle (12) to limit the position.

5. A double-layer flexible door anti-falling device according to claim 4, characterized in that: The anti-falling assembly (10) further comprises a pulley (17) fixedly connected to the upper end of the interior of the rear bottom beam (3) at the rear side of the rear baffle (12).

6. A double-layer flexible door anti-falling device according to claim 5, characterized in that: The anti-falling component (10) also includes a right-angle pull plate (18) hinged at the upper end of the rear side of the pulley (17), the right-angle pull plate (18) includes an inverted L-shaped pull plate, a hinge head (20) is arranged on the front side of the upper end of the right-angle pull plate (18), a shoulder strap pull rod (19) is fixedly connected to the middle of the upper end of the right-angle pull plate (18), a hinge shaft (21) is connected in the middle of the hinge head (20), both ends of the hinge shaft (21) are connected to the upper end of the bottom beam (3), and the outer side of the shoulder strap pull rod (19) is connected to the end of the load shoulder strap (8).

7. A double-layer flexible door anti-falling device according to claim 6, characterized in that: The lower end of the right-angle pull plate (18) is connected to a steel cable, which passes through the end of the pulley (17) and is connected to the outer side of the connecting shaft inside the connecting head (16).

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