CN213361130U

CN213361130U - Electric smoke-discharging fire-proof valve

Info

Publication number: CN213361130U
Application number: CN202022394912.5U
Authority: CN
Inventors: 宋世豪; 宋永俊
Original assignee: Jiangsu Xinyang Electromechanical Equipment Co ltd
Current assignee: Jiangsu Xinyang Electromechanical Equipment Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-04
Anticipated expiration: 2030-10-26

Abstract

The utility model belongs to the technical field of fire-fighting equipment, and discloses an electric smoke-discharging fire-proof valve, which comprises a valve frame, wherein a temperature fuse, a temperature sensor and a signal receiving controller are arranged at the top of the valve frame, and the temperature fuse and the temperature sensor are both electrically connected with the signal receiving controller, three rotatable rotating shafts are arranged in the valve frame through the rotation of a bearing, the three rotating shafts are arranged at equal intervals, and the three rotating shafts all pass through the top of the valve frame, the utility model discloses a sand grip I, a sand grip II, a groove I, a groove II and a rubber pad are arranged, when the fire-proof valve is closed, three blades can be in close contact, the rubber pad further improves the sealing performance between the blades, avoids forming gaps between the blades, can play a good fire-proof role when the fire is great, and avoids the occurrence of fire, the life safety of people around is protected.

Description

Electric smoke-discharging fire-proof valve

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, concretely relates to electronic fire prevention valve that discharges fume.

Background

The fire-fighting facilities refer to fixed facilities such as an automatic fire alarm system, an indoor fire hydrant, an outdoor fire hydrant and the like in a building. The automatic fire fighting facilities are divided into electric system automatic facilities and water system automatic facilities. The electric smoke-discharging fire-resisting damper is suitable for special environments with smoke discharging and ventilation requirements and high temperature adaptation requirements, is generally installed on a pipeline of a mechanical smoke discharging system and is in an open state at ordinary times, and the electric smoke-discharging fire-resisting damper is closed in a fire disaster, meets the requirements of smoke leakage quantity and fire resistance within a certain time, and plays a role in isolating smoke and resisting fire.

Present electronic smoke exhaust fire prevention valve's blade shape simple structure, when fire prevention valve closed blade contacts each other, form the gap between blade and the blade, cause sealing performance poor, can not play fine fire prevention effect when the intensity of a fire is great, can lead to the emergence of conflagration even, endanger people's life safety on every side, and when present electronic smoke exhaust fire prevention valve closed, the inner wall frictional contact of blade side edge and valve frame, lead to taking place wearing and tearing each other, simple contact leakproofness is not high, and then greatly reduced the sealing performance at blade edge after the wearing and tearing, can not play fine fire prevention effect equally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic fire prevention valve that discharges fume to solve the relatively poor and untight problem of sealed processing between blade and the valve frame of sealing performance between current electronic fire prevention valve blade that discharges fume and the blade.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic fire prevention valve that discharges fume, includes the valve frame, temperature fuse, temperature-sensing ware and signal reception controller are installed to the top of valve frame, and temperature fuse and temperature-sensing ware all with signal reception controller electric connection, three rotatable pivot is installed through the bearing rotation in the inside of valve frame, and three pivot equidistance sets up, and three pivot all passes the top of valve frame, three the outside of pivot is fixed the cover in proper order and is equipped with blade one, blade two and blade three, and when the valve is closed, blade one contacts with blade two, and blade two contacts with blade three, and the upper and lower edges of blade one, blade two and blade three all contact with the inner wall of valve frame, one side bending type of blade one becomes recess one, be provided with sand grip one on one side lateral wall of blade two, the another side bending type becomes recess two, be provided with sand grip two on one side lateral wall of blade three, when the first blade, the second blade and the third blade are closed, the first raised line and the second raised line are respectively matched with the first groove and the second groove.

Preferably, the inner walls of the two sides of the valve frame are respectively embedded with fireproof plates, and when the valve is closed, the two fireproof plates are respectively in indirect contact with the side walls of the first blade and the third blade.

Preferably, two rubber strips with trapezoidal sections are fixed on the side walls of the two fireproof plates, and when the valve is closed, the two rubber strips are respectively in close contact with the side walls of the first blade and the third blade.

Preferably, the side walls of the two fireproof plates are respectively fixed with rubber strips with trapezoidal sections, and when the first blade, the second blade and the third blade are closed, the two rubber strips are respectively in close contact with the side walls of the first blade and the third blade.

Preferably, an electric push rod is transversely fixed at the top of the valve frame and electrically connected with the signal receiving controller, and one end of the pull rod is fixed at the end of the electric push rod.

Preferably, the bottoms of the first groove and the second groove are respectively provided with a rubber pad, and when the first blade, the second blade and the third blade are closed, the first raised line and the second raised line are both in close contact with the rubber pads.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up sand grip one, sand grip two, recess one, recess two and rubber pad, through sand grip one and sand grip two and recess one and the cooperation of recess two for when the fire prevention valve is closed, three blade can the in close contact with, and the rubber pad further promotes the sealing performance between the blade, avoids forming the gap between the blade, can play fine fire prevention effect when the intensity of a fire is great, avoids the emergence of conflagration, has protected people's life safety on every side.

(2) The utility model discloses set up two PLASTIC LAMINATED and its lateral wall on fixed rubber strip, the blade shape of the perfect closed state of laminating of shape of rubber strip has promoted the leakproofness in blade side reason greatly, and the PLASTIC LAMINATED adopts the pearlite material, and fire resistance is strong, and blade side reason not with the contact of valve frame inner wall, can reduce the wearing and tearing between valve frame and the blade, prolongs its life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the first blade, the second blade and the third blade;

FIG. 4 is an enlarged view taken at A in FIG. III;

FIG. 5 is an enlarged view of the point B in FIG. III;

fig. 6 is a cross-sectional view of the present invention;

fig. 7 is a schematic view of the matching between the fireproof plate and the rubber strip of the present invention;

in the figure: the device comprises a valve frame-1, an electric push rod-2, a rotating shaft-3, a pull rod-4, a fixed rod-5, a temperature fuse-6, a blade I-7, a blade II-8, a blade III-9, a fireproof plate-10, a signal receiving controller-11, a convex strip I-12, a groove I-13, a convex strip II-14, a rubber pad-15, a groove II-16 and a rubber strip-17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: an electric smoke-discharging fire-proof valve comprises a valve frame 1, wherein a temperature fuse 6, a temperature sensor and a signal receiving controller 11 are installed at the top of the valve frame 1, the temperature fuse 6 and the temperature sensor are electrically connected with the signal receiving controller 11, the melting point of the temperature fuse 6 is 280 ℃, signals are transmitted to the signal receiving controller 11 when the temperature fuse is fused, the temperature sensor presets a value of 70 ℃, signals are transmitted to the signal receiving controller 11 when the temperature is sensed to reach 70 ℃, three rotatable rotating shafts 3 are installed inside the valve frame 1 through bearings in a rotating mode, the three rotating shafts 3 are arranged at equal intervals, the three rotating shafts 3 penetrate through the top of the valve frame 1, a first blade 7, a second blade 8 and a third blade 9 are sequentially fixedly sleeved outside the three rotating shafts 3, when the valve is closed, the first blade 7 is in contact with the second blade 8, the second blade 8 is in contact with the third blade 9, and the first blade 7, The upper and lower edges of the second blade 8 and the third blade 9 are in contact with the inner wall of the valve frame 1, one side of the first blade 7 is bent to form a first groove 13, one side of the second blade 8 is provided with a first raised line 12, the other side of the second blade is bent to form a second groove 16, one side of the third blade 9 is provided with a second raised line 14, the first blade 7, the second blade 8 and the third blade 9 are closed, the first raised line 12 and the second raised line 14 are respectively matched with the first groove 13 and the second groove 16, so that the three blades are in sealing contact with each other, gaps are avoided being formed, and the fireproof effect is improved.

Further, all inlay on the both sides inner wall of valve frame 1 and be equipped with PLASTIC LAMINATED 10, PLASTIC LAMINATED 10 adopts the pearlite material, and fire resistance is good, and when the valve closure, two PLASTIC LAMINATED 10 respectively with the indirect contact of the lateral wall of blade one 7 and blade three 9.

Furthermore, rubber strips 17 with trapezoidal sections are fixed on the side walls of the two fireproof plates 10, and when the valve is closed, the two rubber strips 17 are respectively in close contact with the side walls of the first blade 7 and the third blade 9, so that the sealing performance of the side edges of the first blade 7 and the third blade 9 is greatly improved.

Specifically, the upper side of the valve frame 1 is provided with a movable pull rod 4, the upper ends of the three rotating shafts 3 are all welded with fixing rods 5, one ends of the three fixing rods 5 are all rotatably connected with the pull rod 4, and the three rotating shafts 3 are simultaneously rotated by the same angle in the same direction through the control pull rod 4.

It should be noted that the top of the valve frame 1 is transversely fixed with the electric push rod 2, and the electric push rod 2 is electrically connected with the signal receiving controller 11 and used as a driving device for the movement of the pull rod 4, and one end of the pull rod 4 is fixed at the end of the electric push rod 2.

Furthermore, rubber pads 15 are arranged at the bottoms of the first groove 13 and the second groove 16, and when the first blade 7, the second blade 8 and the third blade 9 are closed, the first convex strip 12 and the second convex strip 14 are in close contact with the rubber pads 15, so that the sealing performance between the three blades is further improved.

The utility model discloses a theory of operation and use flow: when the utility model is used, a worker firstly installs the electric smoke exhaust fire damper at a place where smoke exhaust and air exchange are needed in a building, electrically connects the signal receiving controller 11, so that the electric smoke exhaust fire damper can receive signals transmitted by the temperature sensor and the temperature fuse 6 and control the electric push rod 2, and the temperature sensor detects the ambient temperature in real time during work;

when the temperature sensor detects that the temperature exceeds 70 ℃ preset by the temperature sensor, the signal receiving controller 11 receives a signal to start the electric push rod 2, the electric push rod 2 controls the pull rod 4 to move, so that the three rotating shafts 3 welded with the fixed rod 5 are driven to simultaneously rotate 90 degrees anticlockwise, the initially closed first blades 7, second blades 8 and third blades 9 rotate 90 degrees and are parallel to the inner wall of the valve frame 1, the smoke exhaust fire prevention valve is opened, a ventilation opening is formed, and smoke exhaust work is performed;

when the temperature reaches 280 ℃, the temperature fuse 6 is fused after reaching the melting point, transmit the signal to the signal receiving controller 11, thereby control the electric push rod 2 to push the pull rod 4, simultaneously rotate the three rotating shafts 3 clockwise by 90 degrees, make the first blade 7, the second blade 8 and the third blade 9 rotate clockwise by 90 degrees, close the valve, when the three blades are closed, the first convex strip 12 and the second convex strip 14 are respectively matched with the first groove 13 and the second groove 16, until the first convex strip 12 and the second convex strip 14 contact the rubber pad 15, realize the sealing between the three blades, simultaneously one side wall of the first blade 7 and the third blade 9 is respectively and closely attached to the rubber strip 17 on the fireproof plate 10 on the inner wall of the valve frame 1, realize the sealing between the side edge of the blade and the inner wall of the valve frame 1, and the fireproof plate 10 is made of perlite, the fireproof performance is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic smoke exhaust fire prevention valve, includes valve frame (1), its characterized in that: temperature fuse (6), temperature-sensing ware and signal reception controller (11) are installed to the top of valve frame (1), and temperature fuse (6) and temperature-sensing ware all with signal reception controller (11) electric connection, three rotatable pivot (3) are installed through the bearing rotation to the inside of valve frame (1), and three pivot (3) equidistance sets up, and three pivot (3) all pass the top of valve frame (1), three the outside of pivot (3) is fixed the cover in proper order and is equipped with blade (7), blade (8) and blade (9), when the valve closed, blade (7) and blade (8) contact, blade (8) and blade (9) contact, and the upper and lower edges of blade (7), blade (8) and blade (9) all contact with the inner wall of valve frame (1), one side of blade (7) is buckled and is formed recess (13), be provided with sand grip one (12) on the lateral wall of one side of blade two (8), the another side is buckled and is formed recess two (16), be provided with sand grip two (14) on the lateral wall of one side of blade three (9), when blade one (7), blade two (8) and blade three (9) were closed, sand grip one (12) and sand grip two (14) cooperate with recess one (13) and recess two (16) respectively.

2. An electric smoke evacuation fire damper as claimed in claim 1, wherein: all inlay on the both sides inner wall of valve frame (1) and be equipped with PLASTIC LAMINATED (10), and when the valve closure, two PLASTIC LAMINATED (10) respectively with the lateral wall indirect contact of blade one (7) and blade three (9).

3. An electric smoke evacuation fire damper as claimed in claim 2, wherein: and rubber strips (17) with trapezoidal sections are fixed on the side walls of the two fireproof plates (10), and when the valve is closed, the two rubber strips (17) are respectively in close contact with the side walls of the first blade (7) and the third blade (9).

4. An electric smoke evacuation fire damper as claimed in claim 1, wherein: the valve is characterized in that a movable pull rod (4) is arranged above the valve frame (1), three fixed rods (5) are welded at the upper end of the rotating shaft (3), and one ends of the three fixed rods (5) are rotatably connected with the pull rod (4).

5. An electric smoke evacuation fire damper as claimed in claim 4, wherein: the top of valve frame (1) transversely is fixed with electric putter (2), and electric putter (2) and signal reception controller (11) electric connection, the tip in electric putter (2) is fixed in to the one end of pull rod (4).

6. An electric smoke evacuation fire damper as claimed in claim 1, wherein: rubber pads (15) are arranged at the bottoms of the first groove (13) and the second groove (16), and when the first blade (7), the second blade (8) and the third blade (9) are closed, the first raised line (12) and the second raised line (14) are in close contact with the rubber pads (15).