Wind pressure resistant guide rail structure of fire resisting shutter
By adopting components such as U-shaped guide rail structure and roller bracket in fireproof roller shutters, the problem of deformation of fireproof roller shutters under high temperature and wind pressure is solved, thereby improving wind pressure resistance, deformation resistance and heat insulation performance, and reducing costs.
Patent Information
- Application Number
- CN202423039860.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing fireproof roller shutters are prone to deformation under high temperature and wind pressure, resulting in a reduction in the gap between the curtain surfaces and a loss of heat insulation. Furthermore, traditional solutions involving thickening or enlarging the steel panels are costly and ineffective.
The U-shaped guide rail structure, combined with roller brackets, roller fixing shafts and plastic rollers, and windproof hooks, restricts the outward movement of the roller blind edge, achieving wind pressure resistance and deformation resistance. It is formed by rolling galvanized steel plate, and is equipped with U-shaped reverse hook edges and smoke-proof strips to ensure smooth operation of the curtain surface.
It achieves resistance to deformation under high temperature and wind pressure, maintains the curtain spacing, ensures heat insulation performance, reduces costs, and improves the stability and ease of use of roller blinds.
Smart Images
Figure CN223577830U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a roller shutter guide rail structure technical field, concretely is a fireproof roller shutter wind pressure resisting guide rail structure. BACKGROUND
[0002] As a building fire-resistant component, the fireproof roller shutter needs to maintain sealing, integrity and heat insulation in fire conditions, so the guide rail is an important part of the fireproof roller shutter product, which mainly ensures the smooth operation of the curtain in the guide rail under normal conditions.
[0003] In the event of a fire, the curtain falls to the bottom of the opening and forms a complete barrier with the guide rail. Under the internal and external pressure difference and wind pressure of high temperature, the curtain still ensures not to derail and lose integrity through the cooperation of the wind hook device and the guide rail. The fireproof roller shutter with heat insulation performance in building fire protection is composed of double curtain surfaces with a certain center distance, and the heat insulation is formed by the distance between the double curtain surfaces. In GB12955 "fireproof roller shutter", as the opening increases, the amount of curtain embedded in the guide rail at each end increases, and the wider the opening, the greater the deformation of the curtain under the action of wind pressure, which will cause the double curtain surfaces to reduce the distance due to deformation, and even stick together, losing heat insulation. The traditional method is to use thicker or larger cross-section steel plates for curtain reinforcement, which is high in cost and ineffective, and also easy to cause the shaft diameter to be too large after the roller shutter is rolled up, affecting installation and use.
[0004] Now, a new type of fireproof roller shutter wind pressure resisting guide rail structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a fireproof roller shutter wind pressure resisting guide rail structure to solve the problem of not having wind pressure resisting and deformation resisting functions in the background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a fireproof roller shutter wind pressure resisting guide rail structure, including two groups of guide rail bodies, the inside of two groups of guide rail bodies is horizontally provided with fireproof curtain surfaces, the bottom end of the fireproof curtain surface is fixedly connected with first steel clamps, the top end of the fireproof curtain surface is fixedly connected with second steel clamps, the side of the guide rail body close to the fireproof curtain surface is provided with two groups of U-shaped reverse hook edges, the inside bottom end of the guide rail body close to the fireproof curtain surface is installed with smoke prevention strips, and the top end of the inside of the guide rail body is provided with wind pressure resisting components that can prevent the edge of the curtain from moving outward.
[0007] The anti-wind pressure assembly comprises a roller support welded at the top end inside the guide rail body, a plurality of groups of roller fixing shafts fixedly connected between the upper and lower ends inside the roller support, and plastic rollers movably connected outside the roller fixing shafts.
[0008] Preferably, the vertical planes of the front and rear ends of the guide rail body and the roller support are the same, and the guide rail body and the roller support are made of the same material.
[0009] Preferably, the roller fixing shafts are arranged at equal intervals, and the upper and lower ends of the plastic rollers are not in contact with the upper and lower ends inside the roller support.
[0010] Preferably, the side edges of the first steel clamping plate, the fireproof curtain, the second steel clamping plate, and the windproof hook are flush, the windproof hooks are symmetrically distributed about the vertical center line of the second steel clamping plate, and the thickness of the windproof hook is 1.5 mm.
[0011] Preferably, the left and right sides of the first steel clamping plate, the fireproof curtain, and the second steel clamping plate are not in contact with the side surface inside the guide rail body, and the first steel clamping plate, the fireproof curtain, and the second steel clamping plate can be displaced forward and backward along the inside of the guide rail body.
[0012] Preferably, the thicknesses of the first steel clamping plate and the second steel clamping plate are consistent.
[0013] Compared with the prior art, the anti-wind pressure guide rail structure of the fireproof roller shutter has the advantages that it realizes the functions of wind pressure resistance and deformation resistance, has better fire resistance stability, and the most feared problem of the double-layer curtain is that the deformation of one side is too large to cause the temperature of the second layer to sharply rise and the second layer to be deformed.
[0014] When the roller support, the roller fixing shaft, the plastic roller, and the windproof hook are used, the guide rail body has a U-shaped structure, is made of galvanized steel plate by a roller mill, and is provided with U-shaped reverse hook edges at the openings, one group of the U-shaped reverse hook edges is internally provided with a smoke prevention strip, the roller shutter is composed of the first steel clamping plate, the fireproof curtain, and the second steel clamping plate, when a fire occurs inside a building, a pressure difference is formed between the inside and the outside due to the influence of air pressure after one side burns, the curtain is deformed, the temperature of the curtain rises, the clamping plate is deformed, the strength of the clamping plate is weakened due to the influence of the temperature, the roller shutter is deformed, the first steel clamping plate and the second steel clamping plate are synchronously deformed, the windproof hook is pulled outwards, the plastic roller inside the roller support can block the windproof hook and limit the displacement range of the edge of the roller shutter, and on the other hand, the deformed roller shutter can also smoothly slide and displace upwards and downwards, the roller fixing shaft provides physical support for the installation of the plastic roller, the displacement range of the edge of the roller shutter is limited by physical means, the clamping plate does not need to be thickened, and the functions of wind pressure resistance and deformation resistance are realized.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the schematic diagram of the front view section structure of the guide rail body of the utility model;
[0016] Figure 2 It is the schematic diagram of the front view section structure of the actual installation state of the double curtain surface of the utility model;
[0017] Figure 3 It is the schematic diagram of the front view section enlarged structure of the roller support of the utility model;
[0018] Figure 4 It is the schematic diagram of the front view section enlarged structure of the roller support of the utility model;
[0019] In the drawing: 1, guide rail body; 2, smoke prevention strip; 3, first steel clamping plate; 4, fireproof curtain surface; 5, second steel clamping plate; 6, U-shaped reverse hook edge; 7, roller support; 8, roller fixing shaft; 9, plastic roller; 10, windproof hook. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Embodiment 1: please refer to Figures 1-4 A fireproof roller shutter wind pressure resisting guide rail structure, including two groups of guide rail body 1, the inside between two groups of guide rail body 1 is transversely provided with fireproof curtain surface 4, the bottom end of fireproof curtain surface 4 is fixedly connected with first steel clamping plate 3, the top end of fireproof curtain surface 4 is fixedly connected with second steel clamping plate 5, the side of guide rail body 1 close to fireproof curtain surface 4 is provided with two groups of U-shaped reverse hook edge 6, the inside bottom end of guide rail body 1 close to fireproof curtain surface 4 is installed with smoke prevention strip 2, the top end inside guide rail body 1 is provided with wind pressure resisting assembly that can prevent curtain surface edge outward movement;
[0022] Please refer to Figures 1-4 A fireproof roller shutter wind pressure resisting guide rail structure further includes wind pressure resisting assembly, and the wind pressure resisting assembly includes roller support 7, the roller support 7 is welded at the top end inside guide rail body 1, a plurality of roller fixing shafts 8 are fixedly connected between the upper and lower ends inside roller support 7, the outside of roller fixing shaft 8 is movably connected with plastic roller 9, and the left and right sides of the top of second steel clamping plate 5 are respectively screw-connected with windproof hook 10;
[0023] The vertical plane of the front and back ends of the guide rail body 1 and the roller support 7 is the same, the material of the guide rail body 1 and the roller support 7 is the same, the roller fixing shaft 8 is arranged at equal intervals, the upper and lower ends of the plastic roller 9 and the upper and lower ends inside the roller support 7 are not in contact, the side edges of the first steel clamping plate 3, the fire curtain surface 4, the second steel clamping plate 5 and the windproof hook 10 are flush, the windproof hook 10 is symmetrically distributed about the vertical center line of the second steel clamping plate 5, the thickness of the windproof hook 10 is 1.5 mm, which can limit the displacement range of the edge of the roller shutter and ensure smooth sliding of the roller shutter up and down;
[0024] The left and right sides of the first steel clamping plate 3, the fire curtain surface 4 and the second steel clamping plate 5 are not in contact with the side surface inside the guide rail body 1, the first steel clamping plate 3, the fire curtain surface 4 and the second steel clamping plate 5 can displace forward and backward along the inside of the guide rail body 1, the thickness of the first steel clamping plate 3 and the second steel clamping plate 5 is consistent, and the heat insulation performance of the double-clamping-plate roller shutter is superior;
[0025] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the second steel clamping plate 5 is deformed under the influence of wind pressure, and the windproof hook 10 is pulled outward, the plastic roller 9 in the roller support 7 can block the windproof hook 10 on one hand, limit the displacement range of the edge of the roller shutter, and on the other hand, the deformed roller shutter can also smoothly slide up and down.
[0026] Working principle: when the utility model is used, first, the guide rail body 1 is in U-shaped structure, which is made of galvanized steel plate by roll-rolling machine, and the opening is provided with U-shaped reverse hook edge 6, one group of U-shaped reverse hook edge 6 is internally provided with smoke prevention strip 2, the roller shutter is composed of first steel clamping plate 3, fire curtain surface 4 and second steel clamping plate 5, when the building is on fire, the roller shutter will be deformed under the influence of wind pressure, the smoke prevention strip 2 is attached to the edge of the first steel clamping plate 3 to prevent smoke from passing through, the second steel clamping plate 5 deforms synchronously, the windproof hook 10 is pulled outward, the plastic roller 9 in the roller support 7 can block the windproof hook 10 on one hand, limit the displacement range of the edge of the roller shutter, and on the other hand, the deformed roller shutter can also smoothly slide up and down, and the roller fixing shaft 8 provides physical support for the installation of the plastic roller 9.
[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A wind pressure resistant guide track structure for a fire shutter comprising two groups of guide track bodies (1), characterized in that: Two groups of the inside of the guide rail body (1) are transversely provided with fireproof curtain surface (4), the bottom end of the fireproof curtain surface (4) is fixedly connected with first steel clamping plate (3), the top end of the fireproof curtain surface (4) is fixedly connected with second steel clamping plate (5), the side of the guide rail body (1) close to the fireproof curtain surface (4) is provided with two groups of U-shaped reverse hook edge (6), the inside bottom end of the guide rail body (1) close to the fireproof curtain surface (4) is provided with smoke strip (2), the top end of the inside of the guide rail body (1) is provided with wind pressure resisting assembly that can prevent the edge of curtain surface from moving outward; The wind pressure resisting assembly includes roller bracket (7), the roller bracket (7) is welded at the top end of the inside of the guide rail body (1), a plurality of groups of roller fixing shafts (8) are fixedly connected between the upper and lower ends of the inside of the roller bracket (7), plastic rollers (9) are movably connected outside the roller fixing shafts (8), wind hooks (10) are threadedly connected on the left and right sides of the top of the second steel clamping plate (5).
2. A wind pressure resistant track structure for a fire shutter according to claim 1, characterized in that: The vertical planes of the front and rear ends of the guide rail body (1) and the roller bracket (7) are the same, and the guide rail body (1) and the roller bracket (7) are made of the same material.
3. The wind pressure resistant track structure for a fire protection shutter according to claim 1, wherein: The roller fixing shafts (8) are arranged at equal intervals, and the upper and lower ends of the plastic rollers (9) are not in contact with the upper and lower ends of the inside of the roller bracket (7).
4. The wind pressure resistant track structure for a fire protection shutter according to claim 1, wherein: The side edges of the first steel clamping plate (3), the fireproof curtain surface (4), the second steel clamping plate (5) and the wind hooks (10) are flush, the wind hooks (10) are symmetrically distributed about the vertical center line of the second steel clamping plate (5), and the thickness of the wind hooks (10) is 1.5 mm.
5. The wind pressure resistant track structure for a fire protection shutter according to claim 1, wherein: The left and right sides of the first steel clamping plate (3), the fireproof curtain surface (4), the second steel clamping plate (5) and the inside of the guide rail body (1) are not in contact, and the first steel clamping plate (3), the fireproof curtain surface (4) and the second steel clamping plate (5) can move forward and backward along the inside of the guide rail body (1).
6. A wind pressure resistant track structure for a fire protection shutter according to claim 1, wherein: The thicknesses of the first steel clamping plate (3) and the second steel clamping plate (5) are the same.