Heat insulation auxiliary rail for fire resisting shutter

Abstract

The utility model provides a heat insulation auxiliary rail for a fireproof roller shutter, which is used for fixing two guide rails in the fireproof roller shutter on two sides of a door opening of a roller shutter door, the bottom surface of the auxiliary rail is a mounting surface, two sides of the auxiliary rail are side walls, and two mounting bulges are arranged at the top of the auxiliary rail; a fireproof layer is arranged in the auxiliary rail; the fireproof layer can be an aluminum silicate wool layer or an asbestos layer or a glass fiber layer or a ceramic fiber layer. The heat insulation auxiliary rail for the fire resisting shutter has a good heat insulation effect, the overall fire resistance of the auxiliary rail is enhanced, the fire resistance duration is prolonged, and the heat insulation auxiliary rail is convenient to install.

Description

Technical Field

[0001] The utility model belongs to the technical field of fireproof rolling shutter doors, and particularly relates to a heat-insulating auxiliary rail for fireproof rolling shutters. Background Art

[0002] Fireproof roller shutters are mainly used for walls that need fire separation, especially fire separation on fire walls and fire partitions when larger openings are required for production and use but fire doors cannot be installed.

[0003] The fireproof rolling shutter door is composed of a curtain plate, a reel, a motor, a guide rail, a bracket, a protective cover and a control mechanism, wherein the guide rail is provided with a secondary rail, two secondary rails are fixed on both sides of the door opening, and two guide rails are fixed on the secondary rails, and the two sides of the rolling shutter (i.e., the curtain plate) can slide in the track groove of the guide rail. In case of fire, after the fireproof rolling shutter door is lowered, a sealing strip is generally provided in the guide rail to enhance the overall sealing and fireproof effect of the rolling shutter door, but the steel secondary rail does not have strong fire resistance, and long-term high-temperature fire baking may cause the secondary rail to deform and damage, affecting the overall fireproof effect of the rolling shutter door. Therefore, the purpose of the utility model is to provide a secondary rail with good thermal insulation performance for use with a fireproof rolling shutter door. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a heat-insulating auxiliary rail for a fireproof rolling shutter.

[0005] The technical solution of the utility model is: a heat-insulating auxiliary rail for a fireproof rolling shutter, the auxiliary rail is used to fix two guide rails in the fireproof rolling shutter on both sides of the door opening of the rolling shutter door, the auxiliary rail is arranged in a groove shape, its bottom surface is a mounting surface, its two sides are side walls, and its top is provided with two mounting protrusions; a fireproof layer is arranged inside the auxiliary rail.

[0006] Furthermore, the fireproof layer may be made of aluminum silicate wool, asbestos, glass fiber or ceramic fiber.

[0007] Furthermore, the auxiliary rail is fixed to both sides of the door opening by screws passing through its mounting surface, and the mounting protrusion on the top is used to fix the guide rail.

[0008] Furthermore, the fireproof layer is arranged inside the auxiliary rail in close contact with three inner walls of the auxiliary rail.

[0009] Furthermore, the fireproof layer can be divided into two parts, which are respectively adhered to the inner walls of the two installation surfaces inside the auxiliary rail.

[0010] Furthermore, the fireproof layer as a whole can be bent and clamped inside the auxiliary rail.

[0011] Furthermore, the fireproof layer can be divided into several sections, and the several sections of the fireproof layer are filled in the auxiliary rail as a whole.

[0012] Beneficial effects of the utility model:

[0013] 1. In the design of the utility model, a fireproof layer is closely arranged on the three inner walls of the auxiliary rail, and the fireproof layer can play a good heat insulation effect inside the auxiliary rail, enhance the overall fire resistance of the auxiliary rail, and increase the fire resistance time;

[0014] 2. In the design of the utility model, the fireproof layer in the auxiliary rail can be directly adhered to the side wall of the auxiliary rail in advance when it is installed, or it can be directly plugged into the auxiliary rail after being cut into a suitable size, or it can be plugged into the auxiliary rail by filling and punching. The installation method is diverse and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the auxiliary rail and the guide rail in the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the auxiliary rail in the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the auxiliary rail in the utility model;

[0018] Figure 4-1 This is one of the reference diagrams of the auxiliary rail in the present utility model;

[0019] Figure 4-2 This is the second reference diagram of the auxiliary rail in the present utility model;

[0020] Figure 4-3 Refer to Figure 3 for the use status of the auxiliary rail in the utility model;

[0021] Figure 4-4 Refer to Figure 4 for the use status of the auxiliary rail in the utility model;

[0022] Figure numerals: 1, auxiliary rail; 101, mounting surface; 102, side wall; 103, mounting protrusion; 104, fireproof layer. DETAILED DESCRIPTION

[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is by no means intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0024] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] like Figure 1 -4 shows an insulating auxiliary rail for a fireproof rolling shutter, wherein the auxiliary rail 1 is used to fix the two guide rails in the fireproof rolling shutter on both sides of the door opening of the rolling shutter door, and the auxiliary rail 1 is arranged in a groove shape, with its bottom surface being a mounting surface 101, its two sides being side walls 102, and its top being provided with two mounting protrusions 103; a fireproof layer 104 is arranged inside the auxiliary rail 1.

[0026] Specifically, the fireproof layer 104 may be made of aluminum silicate wool, asbestos, glass fiber, or ceramic fiber.

[0027] Specifically, the auxiliary rail 1 is fixed to both sides of the door opening by screws passing through its mounting surface 101, and the mounting protrusion 103 on the top is used to fix the guide rail.

[0028] Specifically, the fireproof layer 104 is disposed inside the auxiliary rail 1 and closely attached to three inner walls of the auxiliary rail 1 .

[0029] Specifically, the fireproof layer 104 can be divided into two parts, which are respectively adhered to the inner walls of the two installation surfaces 101 inside the auxiliary rail 1.

[0030] Specifically, the fireproof layer 104 as a whole can be bent and clamped inside the auxiliary rail 1.

[0031] Specifically, the fireproof layer 104 can be divided into several sections, and the several sections of the fireproof layer 104 are filled in the auxiliary rail 1 as a whole.

[0032] Embodiment 1

[0033] like Figure 4-1 As shown, the fireproof layer 104 inside the auxiliary rail 1 can be divided into two parts, which are respectively attached to the inner walls of the two side walls 102, which can achieve the heat insulation effect while minimizing the use of fireproof materials without affecting the installation of the auxiliary rail 1.

[0034] Embodiment 2

[0035] like Figure 4-2 As shown, the fireproof layer 104 is made of soft material, and after being cut into a suitable size, it can be directly inserted into the groove inside the auxiliary rail 1. It can be installed after the auxiliary rail 1 is installed and fixed, which is convenient to install.

[0036] Embodiment 3

[0037] like Figure 4-3 , 4-4 As shown, the fireproof layer 104 can be cut into multiple sections, and the multi-layer fireproof layer 104 is filled in the auxiliary rail 1 as a whole. The installation method is also carried out after the auxiliary rail 1 is fixed and installed, and the installation is convenient.

[0038] In summary, the fireproof layer 104 can play a good heat insulation effect inside the auxiliary rail 1, enhance the overall fire resistance of the auxiliary rail 1, and increase the fire resistance time; and its installation method is diverse and convenient.

[0039] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0040] The above-mentioned embodiments only express some implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A heat-insulating auxiliary rail for a fireproof rolling shutter, the auxiliary rail is used to fix two guide rails in the fireproof rolling shutter on both sides of the door opening of the rolling shutter door, characterized in that: The auxiliary rail is arranged in a groove shape, the bottom surface of which is a mounting surface, the two sides of which are side walls, and the top of which is provided with two mounting protrusions; a fireproof layer is arranged inside the auxiliary rail.

2. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 1, characterized in that: The fireproof layer can be made of aluminum silicate wool, asbestos, glass fiber or ceramic fiber.

3. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 1, characterized in that: The auxiliary rail is fixed on both sides of the door opening by screws passing through its mounting surface, and the mounting protrusions on the top are used to fix the guide rail.

4. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 1, characterized in that: The fireproof layer is arranged inside the auxiliary rail and closely adheres to three inner walls of the auxiliary rail.

5. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 4, characterized in that: The fireproof layer can be divided into two parts, which are respectively adhered to the inner walls of the two installation surfaces inside the auxiliary rail.

6. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 4, characterized in that: The fireproof layer as a whole can be bent and clamped inside the auxiliary rail.

7. The heat-insulating auxiliary rail for fireproof rolling shutter according to claim 4, characterized in that: The fireproof layer can be divided into several sections, and the several sections of the fireproof layer are filled in the auxiliary rail as a whole.

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