CN216407848U - Fire-proof valve - Google Patents
Fire-proof valve Download PDFInfo
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- CN216407848U CN216407848U CN202123326123.9U CN202123326123U CN216407848U CN 216407848 U CN216407848 U CN 216407848U CN 202123326123 U CN202123326123 U CN 202123326123U CN 216407848 U CN216407848 U CN 216407848U
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- inner frame
- frame body
- actuating mechanism
- sealing
- fire damper
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Abstract
The utility model discloses a fire damper, which relates to the technical field of fire dampers and comprises an inner frame body, blades, an actuating mechanism and a shell, wherein two ends of the inner frame body are hermetically connected with connecting parts used for being connected with a pipeline; the blades are positioned in the inner frame body and are rotationally connected with the inner frame body, and the blades can block an inner channel of the inner frame body; part of the actuating mechanism is fixedly arranged on the outer wall of the inner frame body, the actuating mechanism can be in transmission connection with the rotating shaft of the blade, the actuating mechanism is provided with a fusing rod extending into the inner frame body, and after the fusing rod is fused, the actuating mechanism can drive the blade to rotate so as to plug the inner channel of the inner frame body; the shell is arranged outside the inner frame and the actuating mechanism in a sealing mode. The fire damper provided by the utility model can improve the sealing effect.
Description
Technical Field
The utility model relates to the technical field of fire valves, in particular to a fire valve.
Background
The fire-proof valve is a valve which is mainly installed on a ventilation and air-conditioning system air supply and return pipeline or a mechanical smoke exhaust system pipeline and is normally open, after a fire disaster happens, when the gas temperature in the pipeline reaches a set temperature, the valve is automatically closed, the air flow is cut off, the fire disaster is prevented from spreading, the requirements of fire-proof stability and fire-proof integrity can be met within a certain time, and the functions of smoke isolation and fire retardance are achieved. Generally, the fire damper consists of a frame, blades, a blade shaft, a temperature sensing component and a driving mechanism, wherein the blade shaft, the temperature sensing component and the driving mechanism are installed on the frame, and because the components are installed on the frame, inflammable gas in a pipeline of the fire damper is easy to leak out of the pipeline, the tightness is poor, and the fire damper is difficult to meet the fire protection requirements of special environments such as nuclear power pipelines.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fire damper, which solves the problems in the prior art and can improve the sealing effect.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a fire damper, which comprises an inner frame body, blades, an actuating mechanism and a shell, wherein two ends of the inner frame body are hermetically connected with connecting parts used for being connected with a pipeline; the blades are positioned in the inner frame body and are rotationally connected with the inner frame body, and the blades can block the inner channel of the inner frame body; part of the actuating mechanism is fixedly arranged on the outer wall of the inner frame body, the actuating mechanism can be in transmission connection with the rotating shaft of the blade, the actuating mechanism is provided with a fusing rod extending into the inner frame body, and after the fusing rod is fused, the actuating mechanism can drive the blade to rotate so as to block the inner channel of the inner frame body; the shell is arranged outside the inner frame body and the actuating mechanism in a sealing mode.
Preferably, interior framework includes a plurality of fixed connection's in proper order connecting plate, one of them the connecting plate is the mounting panel, actuating mechanism is fixed set up in on the mounting panel, pivot one end with interior framework inner wall rotates and connects, the pivot other end can be followed wear out on the mounting panel and with the actuating mechanism transmission is connected.
Preferably, the housing includes a plurality of sealing plates, any two adjacent connecting plates are hermetically connected by a connecting member, and any two adjacent connecting members are hermetically connected by one sealing plate.
Preferably, the outer surface of the inner frame body is coated with a paint layer.
Preferably, the connecting plate is made of steel.
Preferably, the device further comprises an observation window, the sealing plate is correspondingly provided with a through hole, and the through hole is hermetically provided with the observation window.
Compared with the prior art, the utility model has the following technical effects:
according to the fire damper provided by the utility model, the shell is arranged outside the inner frame body and the actuating mechanism in a sealing manner, so that gas in the inner frame body can be prevented from leaking out through the mounting hole on the outer wall of the inner frame body through the actuating mechanism, and the sealing effect can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of a fire damper provided in accordance with the present invention;
in the figure: 100-a fire damper; 1-an inner frame body; 11-a connecting plate; 12-a mounting plate; 2-a blade; 3-an actuator; 31-a fuse rod; 4-a housing; 41-a sealing plate; 42-a connector; 5-observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a fire damper, which is used for solving the problems in the prior art and improving the sealing effect.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The present invention provides a fire damper 100, as shown in fig. 1, in this embodiment, the fire damper includes an inner frame 1, a vane 2, an actuator 3 and a housing 4, wherein two ends of the inner frame 1 are hermetically connected with a connecting portion for connecting with a pipeline; the blades 2 are positioned in the inner frame body 1 and are rotationally connected with the inner frame body 1, and the blades 2 can block the inner channel of the inner frame body 1; part of the actuating mechanism 3 is fixed on the outer wall of the inner frame 1 through bolts and sealed through a sealing gasket, the actuating mechanism 3 can be in transmission connection with a rotating shaft of the blade 2, the actuating mechanism 3 is provided with a fusing rod 31 extending into the inner frame 1, and after the fusing rod 31 is fused, the actuating mechanism 3 can drive the blade 2 to rotate so as to seal a channel in the inner frame 1; the housing 4 is hermetically provided outside the inner housing 1 and the actuator 3.
By providing a housing 4 outside the inner frame 1 and the actuator 3 in a sealed manner, the gas in the inner frame 1 can be prevented from leaking out through the actuator 3 through the mounting hole in the outer wall of the inner frame 1, and the sealing effect can be ensured.
Interior framework 1 includes a plurality of welded connecting plates 11 in proper order, and connecting plate 11 is preferably four, and one of them connecting plate 11 is mounting panel 12, and actuating mechanism 3 is fixed to be set up on mounting panel 12, and pivot one end is rotated with 1 inner wall of interior framework and is connected, and the pivot other end can be followed mounting panel 12 and worn out and be connected with actuating mechanism 3 transmission.
The shell 4 comprises a plurality of sealing plates 41, the sealing plates 41 are preferably steel plates, any two adjacent connecting plates 11 are in sealing connection through one connecting piece 42, any two adjacent connecting plates 11 are welded with one connecting piece 42 and are subjected to sealing treatment, any two adjacent connecting pieces 42 are welded with one sealing plate 41 and are subjected to sealing treatment, so that the fireproof performance of the fireproof valve 100 is ensured, the reliability of the fireproof valve 100 in an application system is improved, and the fireproof valve has the advantages of simple structure, high reliability and the like, and can be widely applied to pipeline systems in various industries, particularly nuclear power pipeline systems.
The outer surface of the connecting plate 11 except the mounting plate 12 is coated with a paint layer, so that the sealing effect is further ensured.
The connection plate 11 is made of steel.
The fire damper 100 provided by the utility model further comprises an observation window 5, wherein a through hole is formed in the sealing plate 41 which corresponds to the mounting plate 12, the observation window 5 is fixed at the through hole through a bolt and sealed through a sealing gasket, the observation window 5 is made of transparent glass, and the fire damper 100 is convenient to observe, maintain and the like.
The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (6)
1. A fire damper, characterized in that: the method comprises the following steps:
the two ends of the inner frame body are hermetically connected with connecting parts used for being connected with a pipeline;
the blades are positioned in the inner frame body and are rotationally connected with the inner frame body, and the blades can block an inner channel of the inner frame body;
the actuating mechanism is partially fixedly arranged on the outer wall of the inner frame body and can be in transmission connection with the rotating shaft of the blade, the actuating mechanism is provided with a fusing rod extending into the inner frame body, and after the fusing rod is fused, the actuating mechanism can drive the blade to rotate so as to block the inner channel of the inner frame body;
and the shell is arranged outside the inner frame and the actuating mechanism in a sealing manner.
2. The fire damper of claim 1, wherein: the inner frame body comprises a plurality of connecting plates which are fixedly connected in sequence, one of the connecting plates is a mounting plate, the actuating mechanism is fixedly arranged on the mounting plate, one end of the rotating shaft is rotatably connected with the inner wall of the inner frame body, and the other end of the rotating shaft can be driven out of the mounting plate and is in transmission connection with the actuating mechanism.
3. The fire damper of claim 2, wherein: the shell comprises a plurality of sealing plates, any two adjacent connecting plates are connected in a sealing mode through a connecting piece, and any two adjacent connecting pieces are connected in a sealing mode through one sealing plate.
4. The fire damper of claim 1, wherein: and a paint layer is coated on the outer surface of the inner frame body.
5. The fire damper of claim 2, wherein: the connecting plate is made of steel.
6. A fire damper as claimed in claim 3, wherein: the mounting plate is provided with a sealing plate, the mounting plate is provided with an observation window, the sealing plate is provided with a through hole, and the through hole is provided with the observation window in a sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326123.9U CN216407848U (en) | 2021-12-27 | 2021-12-27 | Fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326123.9U CN216407848U (en) | 2021-12-27 | 2021-12-27 | Fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407848U true CN216407848U (en) | 2022-04-29 |
Family
ID=81287193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123326123.9U Active CN216407848U (en) | 2021-12-27 | 2021-12-27 | Fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407848U (en) |
-
2021
- 2021-12-27 CN CN202123326123.9U patent/CN216407848U/en active Active
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