Smoke exhaust fireproof valve with adjustable smoke exhaust amount

Abstract

The utility model discloses a smoke exhaust fireproof valve with adjustable smoke exhaust amount, which comprises a valve body, a valve blade and a regulation and control assembly, a baffle is fixedly arranged in the valve body, a plurality of rotating shafts are rotatably arranged on the valve body, the valve blade is fixedly arranged on the rotating shafts, the regulation and control assembly is arranged on the valve body, and the valve blade is matched with the baffle to close the valve body when the smoke exhaust fireproof valve is used; the regulating and controlling assembly comprises a linkage plate, a connecting plate and a telescopic piece, the top end of the rotating shaft rotationally penetrates through the valve body and extends out, the end of the linkage plate is fixedly arranged on the rotating shaft, the linkage plate and the rotating shaft are correspondingly arranged, the connecting plate is arranged at the end, away from the rotating shaft, of the linkage plate, and the telescopic piece is connected to the rotating shaft. The utility model belongs to the technical field of smoke exhaust fireproof valves, and particularly relates to a smoke exhaust fireproof valve with the adjustable smoke exhaust amount.

Description

Technical Field

[0001] The utility model belongs to the technical field of smoke exhaust fire dampers, in particular to a smoke exhaust fire damper with adjustable smoke exhaust volume. Background Art

[0002] Smoke can refer to a mixture of gases and particles produced by burning materials, or it can refer to the smoke produced by smoking or burning objects. At this time, fire dampers are used to block the smoke. Fire dampers are a safety facility used to prevent the spread of fire and are usually used in the fire protection system of buildings.

[0003] Traditional fire dampers generally use fusible disc type automatic closing, but they do not have the function of regulating air volume and can no longer adjust the smoke exhaust volume. Utility Model Content

[0004] The technical problem to be solved by the utility model is that traditional fire dampers generally use fusible disc type automatic closing, but they do not have the function of adjusting the air volume and can no longer adjust the smoke exhaust volume.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a smoke exhaust fire damper with adjustable smoke exhaust volume, comprising a valve body, a valve leaf and a regulating component, a baffle is fixedly provided in the valve body, a plurality of rotating shafts are rotatably provided on the valve body, the valve leaf is fixedly provided on the rotating shaft, and the regulating component is provided on the valve body. When in use, the valve leaf cooperates with the baffle to close the valve body; the regulating component comprises a linkage plate, a connecting plate and a telescopic part, the top end of the rotating shaft rotates through the valve body and extends out, the end of the linkage plate is fixedly provided on the rotating shaft, the linkage plate and the rotating shaft are arranged correspondingly, the connecting plate is provided at the end of the linkage plate away from the rotating shaft, and the telescopic part is connected to the rotating shaft.

[0006] Preferably, the telescopic member includes an electric telescopic rod and an extension plate, the end of the extension plate is sleeved on the rotating shaft, the fixed end of the electric telescopic rod is rotated on the top wall of the valve body through the shaft, and the movable end of the electric telescopic rod is connected to the end of the extension plate away from the rotating shaft through the shaft.

[0007] Preferably, the valve body is a hollow cavity structure with openings at both ends.

[0008] Preferably, both ends of the valve body are connected with filters via bolts.

[0009] Preferably, the end of the valve body is connected to a fixing frame by bolts, the fixing frame is located on the inner side of the filter, a bracket is provided on the fixing frame, and a fan is provided on the bracket.

[0010] Preferably, the bracket is arranged in an X-shaped structure.

[0011] The utility model adopts the above structure to achieve the following beneficial effects: the rotating shaft is driven to rotate by the telescopic member, and the connecting plate and the linkage plate can drive multiple rotating shafts to rotate synchronously, so that the valve leaf in the valve body is opened and closed. At the same time, by adjusting the rotation angle of the rotating shaft, the opening and closing size of the valve leaf can be adjusted to adjust the smoke emission. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The overall structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the structure of the embodiment of the utility model with the filter removed;

[0015] Figure 4 It is a cross-sectional view of an embodiment of the utility model.

[0016] Among them, 1. valve body, 2. valve leaf, 3. regulating component, 4. baffle, 5. rotating shaft, 6. linkage plate, 7. connecting plate, 8. telescopic part, 9. electric telescopic rod, 10. extension plate, 11. filter, 12. fixing frame, 13. bracket, 14. fan. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on 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.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-4As shown, the utility model proposes a smoke exhaust fire damper with adjustable smoke exhaust volume, comprising a valve body 1, a valve leaf 2 and a regulating component 3, wherein a baffle 4 is fixedly arranged in the valve body 1, a plurality of rotating shafts 5 are rotatably arranged on the valve body 1, the valve leaf 2 is fixedly arranged on the rotating shaft 5, and the regulating component 3 is arranged on the valve body 1. When in use, the valve leaf 2 cooperates with the baffle 4 to close the valve body 1; the regulating component 3 comprises a linkage plate 6, a connecting plate 7 and a telescopic member 8, the top end of the rotating shaft 5 rotates through the valve body 1 and extends out, the end of the linkage plate 6 is fixedly arranged on the rotating shaft 5, the linkage plate 6 is arranged correspondingly to the rotating shaft 5, the connecting plate 7 is arranged at the end of the linkage plate 6 away from the rotating shaft 5, the telescopic member 8 is connected to the rotating shaft 5, the rotating shaft 5 is driven to rotate by the telescopic member 8, and the connecting plate 7 and the linkage plate 6 can drive multiple rotating shafts 5 to rotate synchronously, so that the valve leaf 2 in the valve body 1 is opened and closed, and at the same time, by adjusting the rotation angle of the rotating shaft 5, the opening and closing size of the valve leaf 2 can be adjusted to adjust the smoke exhaust volume.

[0020] The telescopic member 8 includes an electric telescopic rod 9 and an extension plate 10. The end of the extension plate 10 is sleeved on the rotating shaft 5. The fixed end of the electric telescopic rod 9 is rotated on the top wall of the valve body 1 through the shaft. The movable end of the electric telescopic rod 9 is connected to the end of the extension plate 10 away from the rotating shaft 5 through the shaft. The electric telescopic rod 9 is extended and retracted, driving the extension plate 10 to drive the rotating shaft 5 to rotate forward and reverse, so as to drive the valve leaf 2 on the rotating shaft 5 to close and close.

[0021] The valve body 1 is a hollow cavity structure with openings at both ends. Both ends of the valve body 1 are connected with a filter 11 by bolts. The filter 11 can reduce the entry of dust. The end of the valve body 1 is connected with a fixing frame 12 by bolts. The fixing frame 12 is located on the inner side of the filter 11. A bracket 13 is provided on the fixing frame 12. The bracket 13 is an X-shaped structure. A fan 14 is provided on the bracket 13. The fan 14 can accelerate the discharge of smoke.

[0022] During specific use, the electric telescopic rod 9 is extended and retracted to drive the rotating shaft 5 to rotate, and the connecting plate 7 and the linkage plate 6 can drive multiple rotating shafts 5 to rotate synchronously, so that the valve leaf 2 and the baffle 4 in the valve body 1 are opened and closed. At the same time, by controlling the extension and retraction stroke of the electric telescopic rod 9 to adjust the rotation angle of the rotating shaft 5, the opening and closing size of the valve leaf 2 can be adjusted to adjust the smoke emission.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A smoke exhaust fire damper with adjustable smoke exhaust volume, characterized in that: It includes a valve body, a valve leaf and a regulating component, a baffle is fixedly provided in the valve body, a plurality of rotating shafts are rotatably provided on the valve body, the valve leaf is fixedly provided on the rotating shaft, and the regulating component is provided on the valve body. When in use, the valve leaf cooperates with the baffle to close the valve body; the regulating component includes a linkage plate, a connecting plate and a telescopic part, the top end of the rotating shaft rotates through the valve body and extends out, the end of the linkage plate is fixedly provided on the rotating shaft, the linkage plate and the rotating shaft are arranged correspondingly, the connecting plate is provided at the end of the linkage plate away from the rotating shaft, and the telescopic part is connected to the rotating shaft.

2. The smoke exhaust fire damper with adjustable smoke exhaust volume according to claim 1, characterized in that: The telescopic member includes an electric telescopic rod and an extension plate, the end of the extension plate is sleeved on the rotating shaft, the fixed end of the electric telescopic rod is rotated on the top wall of the valve body through the shaft, and the movable end of the electric telescopic rod is connected to the end of the extension plate away from the rotating shaft through the shaft rotation.

3. The smoke exhaust fire damper with adjustable smoke exhaust volume according to claim 1, characterized in that: The valve body is a hollow cavity structure with openings at both ends.

4. The smoke exhaust fire damper with adjustable smoke exhaust volume according to claim 1, characterized in that: Both ends of the valve body are connected with filter screens through bolts.

5. The smoke exhaust fire damper with adjustable smoke exhaust volume according to claim 1, characterized in that: The end of the valve body is connected with a fixing frame by bolts, the fixing frame is located on the inner side of the filter screen, a bracket is arranged on the fixing frame, and a fan is arranged on the bracket.

6. The smoke exhaust fire damper with adjustable smoke exhaust volume according to claim 5, characterized in that: The bracket is arranged in an X-shaped structure.

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