Smoke exhaust fireproof valve

Abstract

The utility model belongs to the technical field of smoke exhaust fireproof valves, and particularly relates to a smoke exhaust fireproof valve which comprises a valve body, the left end of the valve body is fixedly connected with a valve seat, the inner wall of the valve body is in contact with an installation piece, the front face of the installation piece is fixedly provided with a temperature sensor, and the back face of the installation piece is fixedly connected with a connecting plate. The connecting plate is slidably connected with the valve body, a fixing piece is fixedly connected to the back face of the valve body, an inserting plate is slidably connected to the inner wall of the fixing piece, the inserting plate is slidably connected with the connecting plate, and a spring is welded to the end of the inserting plate. Through the driving effect of the motor, the rotating disc can be driven to rotate, the valve body is integrally sealed, under the action of the fire-resistant disc and the heat-resistant disc, the fire-resistant effect of the valve body is guaranteed, a circulation pipeline is subjected to fire prevention, under the structures of the clamping hole, the clamping ball and the like, the output shaft of the motor can be limited, and the sealing effect of the valve body is improved. And therefore, the rotating disc can be accurately positioned and used.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smoke exhaust fire damper, specifically to a smoke exhaust fire damper. BACKGROUND

[0002] It is known that the smoke exhaust fire damper is a fireproof equipment for the ventilation system inside the building, mainly used for preventing the spread of fire smoke in the building, and ensuring the safety of personnel evacuation and building structure. The smoke exhaust fire damper is usually installed on the ventilation duct or ventilation opening, which can automatically close to prevent the spread of smoke, flame and heat when a fire occurs.

[0003] The utility model discloses a smoke exhaust fire damper in the patent authorization announcement no. CN214008401U discloses a valve body installed between two pipes, both ends of the valve body are provided with butt joint ring one, and one end of the two pipes facing the valve body is provided with butt joint ring two matched with butt joint ring one. The valve body is provided with a locking mechanism for locking and fixing the butt joint ring one and the butt joint ring two.

[0004] However, the existing smoke exhaust fire damper also has certain disadvantages, the existing smoke exhaust fire damper is mostly fixed between the temperature detector and the valve body by bolts, and the use of bolts needs to be matched with professional assembly tools, which is inconvenient for installation and use. UTILITY MODEL CONTENTS

[0005] The utility model discloses a smoke exhaust fire damper, solves the problem that the existing smoke exhaust fire damper is mostly fixed between the temperature detector and the valve body by bolts, and the use of bolts needs to be matched with professional assembly tools, which is inconvenient for installation and use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a smoke exhaust fire damper, including the valve body, the left end of the valve body is fixedly connected with the valve seat, the inner wall of the valve body is contacted with the mounting piece, the front surface of the mounting piece is fixedly installed with the temperature sensor, the back surface of the mounting piece is fixedly connected with the connecting plate, the connecting plate is slidably connected with the valve body, the back surface of the valve body is fixedly connected with the fixed piece, the inner wall of the fixed piece is slidably connected with the plugboard, the plugboard is slidably connected with the connecting plate, the end of the plugboard is welded with the spring, the other end of the spring is welded with the fixed piece, the valve body is provided with the fireproof mechanism.

[0007] Preferably, the inner wall of the valve seat is movably connected with four bolts, the four bolts are evenly distributed on the valve seat, the valve seat can be fixed by the bolts, and the smoke exhaust fire damper and the flow pipe are fixedly used.

[0008] Preferably, the upper end of the plug plate is fixedly connected with an end disc, the end disc is made of hard rubber material, the end disc is arranged to pull the plug plate to move, and the hard rubber material has good durability.

[0009] Preferably, the fireproof mechanism comprises a mounting cylinder, the upper middle part of the valve body is fixedly connected with the mounting cylinder, the inner top of the mounting cylinder is fixedly installed with a motor, the output shaft of the motor is rotationally connected with the mounting cylinder, the outer side of the output shaft of the motor is fixedly sleeved with a rotating disc, the rotating disc is rotationally connected with the valve body, the surface of the output shaft of the motor is provided with a clamping hole, the inner wall of the mounting cylinder is bonded with an elastic rod, the end face of the side close to the output shaft of the motor of the elastic rod is bonded with a clamping ball, the clamping ball is slidingly connected with the clamping hole, the rotating disc is driven to rotate by the motor, the valve body is closed, and the position of the rotating disc is accurately positioned under the action of the clamping hole, the clamping ball and the like.

[0010] Preferably, a plurality of clamping holes are arranged in an annular array on the output shaft of the motor, and the clamping holes are arranged to facilitate clamping with the clamping ball.

[0011] Preferably, the front surface of the rotating disc is fixedly connected with a heat-resistant disc, and the front surface of the heat-resistant disc is fixedly connected with a fireproof disc, so that the fireproof effect of the rotating disc is ensured by the heat-resistant disc and the fireproof disc.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a temperature sensor, which is characterized by comprising a valve body, a connecting plate, a mounting piece, a plug plate, a spring and a temperature sensor.

[0014] 2. The utility model discloses a temperature sensor, which is characterized by comprising a valve body, a connecting plate, a mounting piece, a plug plate, a spring and a temperature sensor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the whole structure of the utility model;

[0016] Figure 2 It is a rear view of the utility model; Figure 1

[0017] ​Figure 3 The utility model discloses Figure 1 The front view of the section view of

[0018] Figure 4 The utility model discloses Figure 2 The enlarged view of A of

[0019] Figure 5 The utility model discloses Figure 3 The enlarged view of B of

[0020] In the drawing: 1, valve body;2, valve seat;3, bolt;4, mounting piece;5, temperature sensor;6, connecting plate;7, fixed piece;8, plugboard;9, spring;10, end disc;11, fireproof mechanism;111, mounting cylinder;112, motor;113, rotating disc;114, heat-resistant disc;115, fireproof disc;116, clamping hole;117, elastic rod;118, clamping ball. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range protected by the utility model.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 A smoke exhaust fireproof valve, including valve body 1, the left end of valve body 1 is fixedly connected with valve seat 2, the inner wall of valve body 1 is contacted with mounting piece 4, the front of mounting piece 4 is fixedly installed with temperature sensor 5, the back of mounting piece 4 is fixedly connected with connecting plate 6, and connecting plate 6 is slidably connected with valve body 1, the back of valve body 1 is fixedly connected with fixed piece 7, the inner wall of fixed piece 7 is slidably connected with plugboard 8, plugboard 8 is slidably connected with connecting plate 6, and the end of plugboard 8 is welded with spring 9, and the other end of spring 9 is welded with fixed piece 7.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The inner wall of valve seat 2 is movably connected with four bolts 3, and the four bolts 3 are evenly distributed on valve seat 2. Through the setting of bolt 3, valve seat 2 can be fixed, and then the smoke exhaust fireproof valve and the flow pipeline can be fixed and used. The upper end of plugboard 8 is fixedly connected with end disc 10, and end disc 10 is made of hard rubber material. Through the setting of end disc 10, plugboard 8 can be pulled to move, and the hard rubber material has good durability.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , the valve body 1 is provided with a fire prevention mechanism 11, the fire prevention mechanism 11 includes the installation cylinder 111, the upper side middle part of the valve body 1 is fixedly connected with the installation cylinder 111, the inner side top of the installation cylinder 111 is fixedly installed with the motor 112, the output shaft of the motor 112 is rotatably connected with the installation cylinder 111, the output shaft of the motor 112 is fixedly sleeved with the rotating disc 113, the rotating disc 113 is rotatably connected with the valve body 1, the surface of the output shaft of the motor 112 is provided with the clamping hole 116, the inner wall of the installation cylinder 111 is bonded with the elastic rod 117, the end surface of the elastic rod 117 close to the output shaft of the motor 112 is bonded with the clamping ball 118, the clamping ball 118 is slidably connected with the clamping hole 116, through the driving effect of the motor 112, the rotating disc 113 can be rotated, the valve body 1 is closed, under the structure of the clamping hole 116, the clamping ball 118 etc., the position of the rotating disc 113 can be accurately positioned.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , the clamping hole 116 is provided with a plurality of clamping holes 116, a plurality of clamping holes 116 are arranged in annular array on the output shaft of the motor 112, through the setting of the clamping hole 116, it is convenient to cooperate with the clamping ball 118 and be used in clamping, the front surface of the rotating disc 113 is fixedly connected with the heat-resistant disc 114, the front surface of the heat-resistant disc 114 is fixedly connected with the fireproof disc 115, through the effect of the heat-resistant disc 114, the fireproof disc 115 can guarantee the fire resistance of the rotating disc 113.

[0026] The specific implementation process of the utility model is as follows: when using, the end disc 10 is pulled to move upwards to drive the plug-in plate 8 to slide along the inner wall of the fixed sheet 7 and move, the spring 9 is deformed, then the mounting sheet 4 is pushed to contact with the inner wall of the valve body 1, the connecting plate 6 passes through the valve body 1, and the end disc 10 is loosened to make the spring 9 restore deformation, so that the plug-in plate 8 is pulled to pass through the connecting plate 6, the connecting plate 6 is limited, the connecting plate 6 drives the mounting sheet 4 to be stable, the temperature sensor 5 is stably arranged, and the operator can be quickly installed and used;

[0027] Through the setting of the temperature sensor 5, the temperature inside the valve body 1 can be monitored in real time, when the temperature reaches the monitoring threshold, the motor 112 drives the output shaft to rotate to drive the rotating disc 113 to rotate, so that the valve body 1 is in a closed state, under the structure of the heat-resistant disc 114, the fireproof disc 115 etc., the good fire resistance of the rotating disc 113 can be guaranteed, and the good fireproof effect of the valve body 1 can be guaranteed;

[0028] When the motor 112 drives the output shaft to rotate, under the extrusion of the inner wall of the clamping hole 116, the clamping ball 118 can be pushed to move, so that the elastic rod 117 is deformed, finally the clamping ball 118 is separated from the clamping hole 116, under the action of force, the clamping ball 118 moves along the surface of the output shaft of the motor 112, when the clamping ball 118 slides into the next clamping hole 116, the elastic rod 117 restores the deformation to push the clamping ball 118 to insert into the clamping hole 116, the output shaft of the motor 112 is limited, and then the position of the rotating disc 113 is accurately positioned.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A smoke evacuation fire damper comprising a valve body (1), characterised in that: The left end of the valve body (1) is fixedly connected with a valve seat (2), the inner wall of the valve body (1) is in contact with a mounting piece (4), the front surface of the mounting piece (4) is fixedly installed with a temperature sensor (5), the back surface of the mounting piece (4) is fixedly connected with a connecting plate (6), the connecting plate (6) is in sliding connection with the valve body (1), the back surface of the valve body (1) is fixedly connected with a fixed piece (7), the inner wall of the fixed piece (7) is in sliding connection with a plug plate (8), the plug plate (8) is in sliding connection with the connecting plate (6), the end of the plug plate (8) is welded with a spring (9), the other end of the spring (9) is welded with the fixed piece (7), and the valve body (1) is provided with a fireproof mechanism (11).

2. A smoke control fire damper according to claim 1, wherein: The inner wall of the valve seat (2) is movably connected with four bolts (3), and the four bolts (3) are uniformly distributed on the valve seat (2).

3. A smoke control fire damper according to claim 1, wherein: The upper end of the plug plate (8) is fixedly connected with an end disc (10), and the end disc (10) is made of hard rubber.

4. A smoke control fire damper according to claim 1, wherein: The fireproof mechanism (11) comprises a mounting cylinder (111), the upper side of the valve body (1) is fixedly connected with the mounting cylinder (111), the inner side top of the mounting cylinder (111) is fixedly installed with a motor (112), the output shaft of the motor (112) is in rotary connection with the mounting cylinder (111), the outer side of the output shaft of the motor (112) is fixedly sleeved with a rotary disc (113), the rotary disc (113) is in rotary connection with the valve body (1), the surface of the output shaft of the motor (112) is provided with a clamping hole (116), the inner wall of the mounting cylinder (111) is bonded with an elastic rod (117), the end face of the elastic rod (117) close to the output shaft of the motor (112) is bonded with a clamping ball (118), and the clamping ball (118) is in sliding connection with the clamping hole (116).

5. A smoke control fire damper according to claim 4, wherein: A plurality of clamping holes (116) are arranged in an annular array on the output shaft of the motor (112).

6. A smoke control fire damper according to claim 4, wherein: The front surface of the rotary disc (113) is fixedly connected with a heat-resistant disc (114), and the front surface of the heat-resistant disc (114) is fixedly connected with a fire-resistant disc (115).

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