Automatic leveling device for fire resisting shutter

Abstract

The utility model relates to the technical field of fireproof roller shutters, and discloses an automatic leveling device for a fireproof roller shutter, which comprises symmetrically arranged guide rails and a fireproof roller shutter arranged in the guide rails, a bottom rod is arranged at the bottom of the fireproof roller shutter, a U-shaped leveling frame is fixedly arranged on the bottom rod through a bolt, a groove is arranged at the bottom of the U-shaped leveling frame, and the fireproof roller shutter is arranged in the groove. A balancing weight and a decorative block which are detached or detached are arranged in the groove, and limiting idler wheels matched with the guide rails are arranged on the side walls of the two ends of the U-shaped leveling frame. Compared with the prior art, the fireproof roller shutter has the advantages that movement of the fireproof roller shutter can be limited, the bottom rod of the fireproof roller shutter is kept horizontal, and the fireproof roller shutter is attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof rolling shutters, in particular to an automatic leveling device for fireproof rolling shutters. Background Art

[0002] With the development of the economy, there are more and more comprehensive commercial and comprehensive buildings, and a large number of large public buildings are constructed, which puts forward higher requirements for fire protection. As an important fire protection measure, fireproof rolling shutters have been widely used in various buildings.

[0003] A fireproof rolling shutter door is a rolling shutter that can meet the requirements of fire resistance stability and integrity together with the frame within a certain period of time, and is composed of a curtain board, a reel, a motor, a guide rail, a bracket, a protective cover and a control mechanism, etc.

[0004] Fireproof rolling shutters are mainly used for walls that need fire separation, especially for fire separation on firewalls and fire partitions when large openings need to be opened due to production, use, etc. and fire doors cannot be installed.

[0005] Due to its own characteristics, the bottom rod of the fireproof rolling shutter is often uneven, affecting the aesthetics of the fireproof rolling shutter. Content of the Utility Model

[0006] (1). Technical Problems to be Solved

[0007] The technical problem to be solved by the utility model is that the bottom rod of the fireproof rolling shutter is uneven and has poor aesthetics.

[0008] (2). Technical Solutions

[0009] To solve the above technical problems, the technical solution provided by the utility model is: an automatic leveling device for a fireproof rolling shutter, including symmetrically arranged guide rails and a fireproof rolling shutter arranged in the guide rails. A bottom rod is provided at the bottom of the fireproof rolling shutter. A U-shaped leveling frame is fixedly provided on the bottom rod through bolts. A groove is provided at the bottom of the U-shaped leveling frame. A detachable counterweight block and a decorative block are provided in the groove. Limiting rollers matched with the guide rails are provided on the side walls at both ends of the U-shaped leveling frame.

[0010] As an improvement, a plurality of screw holes are evenly provided on both sides of the U-shaped leveling frame, and the bolts are arranged in the screw holes.

[0011] As an improvement, the number of the grooves is two, and the grooves are symmetrically arranged away from each other.

[0012] As an improvement, a pin hole penetrating through the groove, the counterweight block and the decorative block is provided on the U-shaped leveling frame, and a pin is provided in the pin hole.

[0013] (3). Beneficial Effects

[0014] The advantages of the present utility model compared with the prior art are as follows: 1. The U-shaped leveling frame is connected to the fireproof rolling shutter through bolts, and can be directly installed on the existing fireproof rolling shutter to transform the existing fireproof rolling shutter; 2. The counterweight block and the decorative block are both connected to the U-shaped leveling frame through pins, and the positions of the counterweight block and the decorative block can be adjusted according to actual situations, so that when the fireproof rolling shutter is retracted or lowered, the bottom rod can maintain a horizontal state; 3. The roller can limit the movement of the fireproof rolling shutter and reduce the friction between the fireproof rolling shutter and the guide rail. Brief Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the present utility model.

[0016] Figure 2 is a schematic structural diagram of the present utility model.

[0017] Figure 3 is a schematic structural diagram of the present utility model in a top view state.

[0018] Figure 4 is the present utility model Figure 3 in the sectional view state at A-A.

[0019] Figure 5 is the present utility model Figure 3 in the sectional view state at B-B.

[0020] As shown in the figure: 1. Guide rail; 2. Fireproof rolling shutter; 3. Bottom rod; 4. Bolt; 5. U-shaped leveling frame; 6. Groove; 7. Counterweight block; 8. Decorative block; 9. Limiting roller; 10. Screw hole; 12. Pin hole; 13. Pin. Detailed Description of the Preferred Embodiment

[0021] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0022] In the description of the present utility model: It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the 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 operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

[0024] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0026] Embodiment 1

[0027] Combined with the attached Figures 1-5 , a fire shutter automatic leveling device, including symmetrically arranged guide rails 1 and a fire shutter 2 disposed within the guide rails 1. A bottom bar 3 is provided at the bottom of the fire shutter 2. A U-shaped leveling frame 5 is fixedly provided on the bottom bar 3 through bolts 4. This device can be directly installed on the existing fire shutter 2 without having to replace the existing fire shutter 2. A groove 6 is provided at the bottom of the U-shaped leveling frame 5. The number of the grooves 6 is two, and the grooves 6 are symmetrically arranged away from each other. A detachable counterweight 7 and a decorative block 8 are provided within the grooves 6. By adjusting the positions of the counterweight 7 and the decorative block 8, the fire shutter 2 is kept horizontal. Limiting rollers 9 cooperating with the guide rails 1 are provided on the side walls at both ends of the U-shaped leveling frame 5. The rollers 9 can limit the movement of the fire shutter 2 and reduce the friction between the fire shutter 2 and the guide rails 1.

[0028] The appearance of the counterweight block 7 and the decorative block 8 is the same, but their weights are different, which can make the fireproof rolling shutter 2 more beautiful.

[0029] A number of screw holes 10 are evenly provided on both sides of the U-shaped leveling frame 5, and the bolts 4 are arranged in the screw holes 10.

[0030] A pin hole 12 penetrating through the groove 6, the counterweight block 7 and the decorative block 8 is provided on the U-shaped leveling frame 5, and a pin 13 is arranged in the pin hole 12, which is convenient for adjusting the positions of the counterweight block 7 and the decorative block 8.

[0031] All features described in the description, the appended claims and the drawings, whether alone or in any combination thereof, are important features of the present utility model.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "one implementation manner", "specific implementation manner", "other implementation manners", "examples", "specific examples" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment, implementation manner or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described above can also be combined in a suitable manner in any one or more embodiments, implementation manners or examples. The technical solutions described in the present utility model also include the technical solutions formed by any one or more of the above-described specific features, structures, materials or characteristics alone or in combination.

[0033] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, variations, delete some features, add features or re-combine features within the scope of the present utility model without departing from the principles and purposes of the present utility model. Any simple modification, equivalent change and modification made to the above embodiments based on the innovative principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims

1. An automatic leveling device for a fireproof rolling curtain, comprising a symmetrically arranged guide rail (1) and a fireproof rolling curtain (2) arranged in the guide rail (1), wherein a bottom rod (3) is arranged at the bottom of the fireproof rolling curtain (2), and characterized in that: A U-shaped leveling frame (5) is fixedly provided on the bottom rod (3) by means of bolts (4); a groove (6) is provided at the bottom of the U-shaped leveling frame (5); a counterweight block (7) and a decorative block (8) are provided in the groove (6) and can be installed or removed; and limiting rollers (9) cooperating with the guide rail (1) are provided on the side walls at both ends of the U-shaped leveling frame (5).

2. The automatic leveling device for fireproof rolling shutter according to claim 1 is characterized in that: A plurality of screw holes (10) are evenly arranged on both sides of the U-shaped leveling frame (5), and the bolts (4) are arranged in the screw holes (10).

3. The automatic leveling device for fireproof rolling shutter according to claim 1 is characterized in that: The number of the grooves (6) is two, and the grooves (6) are symmetrically arranged away from each other.

4. The automatic leveling device for fireproof rolling shutter according to claim 1 is characterized in that: The U-shaped leveling frame (5) is provided with a pin hole (12) penetrating the groove (6), the counterweight block (7) and the decorative block (8), and a pin (13) is provided in the pin hole (12).

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