Double-track fireproof roller shutter structure

Abstract

The utility model discloses a double-track fireproof roller shutter structure which comprises a driving motor, a winding drum and two pieces of fireproof curtain cloth which are parallel in the front-back direction, each piece of fireproof curtain cloth is evenly provided with a plurality of forming clamping plates from top to bottom, and bottom buckle plates are installed at the lower ends of the two pieces of fireproof curtain cloth. Pulley assemblies are installed at the two ends, intersecting with the guide rails, of the side face of the forming clamping plate at the lower end of the fireproof curtain cloth, and the pulley assemblies are matched with the guide rails and can move up and down along the edges of the guide rails. Pulley assemblies are additionally arranged at the two ends, crossed with the guide rails, of the side faces of the clamping plates formed at the lower end of the fireproof curtain cloth, pulleys can vertically move along the edges of the guide rails, the abutting plates and the guide rails are seamlessly connected, and the sliding wheels are arranged in the sliding plates during vertical movement, so that operation is smoother.

Description

Technical Field

[0001] The utility model relates to the field of fireproof rolling curtains, in particular to a double-track fireproof rolling curtain structure. Background Art

[0002] Fire shutters are rolling shutters that can meet the requirements of fire resistance stability and integrity within a certain period of time together with the frame. They are composed of curtain plates, rollers, motors, guide rails, brackets, protective covers and control mechanisms. Fire shutters are mainly used for walls that need to be fire-separated, especially for fire walls and fire partitions where large openings are required for production and use but fire doors cannot be installed.

[0003] The bottom gusset plate of the existing double-track double-curtain special-grade fireproof roller shutter is usually a right-angle U-shape bent by a bending machine or a right-angle U-shape pulled out by a cold press forming machine. In order to ensure the smooth up and down movement of the fireproof curtain, a gap of more than 30MM is left between the bottom plate and the guide rail, which brings certain defects to the fireproof, smoke-proof and aesthetics of the fireproof roller shutter. Utility Model Content

[0004] The purpose of the utility model is to provide a double-track fireproof roller shutter structure in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A double-track fireproof roller shutter structure comprises a driving motor, a roller and two parallel fireproof curtains at the front and rear, each fireproof curtain is evenly provided with a plurality of forming clamps from top to bottom, bottom buckle plates are installed at the lower ends of the two fireproof curtains, pulley assemblies are installed at both ends where the sides of the forming clamps at the lower ends of the fireproof curtains intersect with the guide rails, and the pulley assemblies cooperate with the guide rails and can run up and down along the edge of the guide rails.

[0007] Preferably, the bottom gusset plate includes a gusset plate body, the front and rear sides of the gusset plate body are folded upward 90° to form a first edge, the left and right sides of the gusset plate body are folded upward 90° to form a second edge, and a gap is provided between adjacent first edges and second edges.

[0008] Preferably, the pulley assembly comprises a wheel and a mounting frame, the wheel is connected to the molded clamping plate at the lower end of the fireproof curtain through the mounting frame, and the wheel cooperates with the guide rail.

[0009] Preferably, the mounting frame is fixedly connected to the formed clamping plate by bolts.

[0010] Preferably, the forming clamp includes two pressing plates, which are arranged on the front and rear sides of the fireproof curtain and connected by a connecting piece.

[0011] Preferably, the pressing plate is integrally formed and comprises a flat portion, and upper and lower ends of the flat portion are symmetrically arranged as arc-shaped supporting portions.

[0012] Preferably, two rollers are provided, each roller corresponding to a fireproof roller shutter;

[0013] The driving motor drives two reels via belts.

[0014] The beneficial effect is that pulley assemblies are added to the two ends of the intersection of the splint side formed at the lower end of the fireproof curtain of the present application with the guide rail, and the pulley can run up and down along the edge of the guide rail, and the buckle plate and the guide rail are seamlessly connected. When running up and down, the built-in pulley makes its operation smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a main structural schematic diagram of the utility model;

[0017] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the bottom gusset plate structure of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the forming splint of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the pulley assembly of the utility model.

[0022] The following are the descriptions of the reference numerals:

[0023] 1. Fireproof curtain; 2. Forming splint; 201. Flat portion; 202. Arc-shaped supporting portion; 203. Connector; 3. Bottom gusset plate; 301. Gusset plate body; 302. First edge; 303. Second edge; 4. Pulley assembly; 401. Wheel; 402. Mounting frame; 5. Guide rail; 6. Reel; 7. Drive motor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0025] See also Figure 1-Figure 6 As shown, the utility model provides a double-track fireproof roller shutter structure, including a driving motor 7, a reel 6 and two fireproof curtains 1 parallel to each other in the front and rear. Each fireproof curtain 1 is evenly provided with a plurality of forming clamps 2 from top to bottom, and the forming clamps 2 include two pressing plates, which are arranged on the front and rear sides of the fireproof curtain 1 and connected by a connecting piece 203. The pressing plate is integrally formed and includes a flat portion 201, and the upper and lower ends of the flat portion 201 are symmetrically arranged as arc-shaped support portions 202, and the fireproof curtain 1 can be pressed by this structure. The lower ends of the two fireproof curtains 1 are installed with bottom buckle plates 3, and the bottom buckle plates 3 make the two fireproof curtains 1 become a whole. The two ends of the side of the forming clamp 2 at the lower end of the fireproof curtain 1 intersecting with the guide rail 5 are installed with pulley assemblies 4, and the pulley assemblies 4 cooperate with the guide rail 5 and can run up and down along the edge of the guide rail 5.

[0026] By adopting the above technical solution, pulley assemblies 4 are added to the two ends where the side of the splint formed at the lower end of the fireproof curtain 1 intersects with the guide rail 5. The pulley can run up and down along the edge of the guide rail 5, and the buckle plate and the guide rail 5 are seamlessly connected. When running up and down, the built-in pulley makes its operation smoother.

[0027] As a preferred embodiment of the present case, the bottom gusset plate 3 includes a gusset plate body 301, the front and rear sides of the gusset plate body 301 are folded upward 90° to form a first edge 302, the left and right sides of the gusset plate body 301 are folded upward 90° to form a second edge 303, and a gap is provided between adjacent first edges 302 and second edges 303, the gap is convenient for installing the fireproof curtain 1 and the pulley assembly 4, and the bottom gusset plate 3 wraps the molded splint 2 at the lower end of the fireproof curtain 1 inside.

[0028] For further reference, Figure 6 As shown, the pulley assembly 4 includes a wheel 401 and a mounting frame 402, wherein the wheel 401 is connected to the molded clamping plate 2 at the lower end of the fireproof curtain 1 through the mounting frame 402, and the wheel 401 cooperates with the guide rail 5 to be able to move up and down. The mounting frame 402 is fixedly connected to the molded clamping plate 2 by bolts.

[0029] In the present application, two reels 6 are provided, and each reel 6 corresponds to a fireproof roller shutter; the driving motor 7 drives the two reels 6 via a belt.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A double-track fireproof rolling shutter structure, comprising a driving motor, a drum and two parallel fireproof curtains in front and back, each fireproof curtain being evenly provided with a plurality of forming clamping plates from top to bottom, characterized in that: Bottom buckle plates are installed at the lower ends of the two fireproof curtains, and pulley assemblies are installed at both ends where the sides of the molded splints at the lower ends of the fireproof curtains intersect with the guide rails. The pulley assemblies cooperate with the guide rails and can run up and down along the edge of the guide rails.

2. A double-track fireproof roller shutter structure according to claim 1, characterized in that: The bottom gusset plate includes a gusset plate body, the front and rear sides of the gusset plate body are folded upward 90° to form a first edge, the left and right sides of the gusset plate body are folded upward 90° to form a second edge, and a gap is provided between adjacent first edges and second edges.

3. A double-track fireproof roller shutter structure according to claim 2, characterized in that: The pulley assembly comprises a wheel and a mounting frame, the wheel is connected to the molded clamping plate at the lower end of the fireproof curtain through the mounting frame, and the wheel cooperates with the guide rail.

4. A double-track fireproof roller shutter structure according to claim 3, characterized in that: The mounting frame is fixedly connected to the formed clamping plate by bolts.

5. The double-track fireproof roller shutter structure according to claim 1, characterized in that: The forming clamp includes two pressing plates, which are arranged on the front and rear sides of the fireproof curtain and connected by a connecting piece.

6. A double-track fireproof roller shutter structure according to claim 5, characterized in that: The pressing plate is integrally formed and comprises a flat portion, wherein the upper and lower ends of the flat portion are symmetrically arranged as arc-shaped supporting portions.

7. The double-track fireproof roller shutter structure according to claim 1, characterized in that: Two rollers are provided, each roller corresponding to a fireproof roller shutter; The driving motor drives two reels via belts.

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