CN217977409U

CN217977409U - Smoke discharge fireproof valve with adjustable smoke discharge amount

Info

Publication number: CN217977409U
Application number: CN202222489633.6U
Authority: CN
Inventors: 王涛; 曲行虎; 刘洪江; 耿砚磊
Original assignee: Shandong Laibao Air Conditioning Equipment Co ltd
Current assignee: Shandong Laibao Air Conditioning Equipment Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-06
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a discharge fume fire prevention valve of adjustable discharge fume, which comprises a valve body, be equipped with control actuating mechanism on the valve body, the valve body is equipped with the outlet flue, outlet flue department is equipped with blade one, blade one rotates with the valve body to be connected, closely set up between the blade one, blade one end and control actuating mechanism connect, blade one top one side all is equipped with supplementary blade two, two one sides of supplementary blade are equipped with the axis of rotation, rotation axis side and one rotation of blade are connected, axis of rotation both ends and valve body rotate to be connected, the lower extreme axis of rotation runs through the valve body and is equipped with the gear, the gear has the rack, gear rack and gear engagement, gear rack one side is equipped with electric push rod. The utility model has the advantages that: the auxiliary blades are arranged on the blades, and daily small-range smoke exhaust adjusts the air flow by adjusting the auxiliary blades.

Description

Smoke discharge fireproof valve with adjustable smoke discharge amount

Technical Field

The utility model relates to a fire prevention valve technical field specifically indicates a volume of discharging fume adjustable fire prevention valve.

Background

The fire damper is a valve type of fusible alloy temperature control, which is closed by the action of gravity and a spring mechanism. The novel product also utilizes the memory alloy to generate deformation to close the valve. It has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the flue gas exhaust has no practical significance, the flue gas is subjected to fire, the valve is automatically closed, the fire is prevented from spreading, the traditional fire damper used in China generally adopts fusible piece type automatic closing and is interlocked with a fan, but the traditional fire damper does not have the function of adjusting the air quantity, the flue gas exhaust quantity cannot be adjusted, the traditional adjusting mode is mainly that the traditional adjusting mode is adjusted by controlling the blades of the valve body, the blades are easily abraded in the daily small-range flue gas exhaust process, and the effects of fire blocking and smoke blocking are reduced when a large fire disaster occurs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a set up auxiliary blade on the blade, daily small-range is discharged fume and is carried out the volume adjustable of discharging fume fire prevention valve that adjusts of air flow through adjusting auxiliary blade.

In order to solve the technical problem, the utility model provides a technical scheme does: the novel smoke exhaust valve comprises a valve body, be equipped with control actuating mechanism on the valve body, the valve body is equipped with the outlet flue, outlet flue department is equipped with blade one, blade one rotates with the valve body to be connected, closely set up between the blade one, blade one end and control actuating mechanism connect, blade one top one side all is equipped with supplementary blade two, two one sides of supplementary blade are equipped with the axis of rotation, rotation axis side and one rotation of blade are connected, axis of rotation both ends and valve body rotate to be connected, the lower extreme axis of rotation runs through the valve body and is equipped with the gear, the gear has the rack, rack and gear engagement, rack one side is equipped with electric putter.

Compared with the prior art, the utility model the advantage lie in: the fire prevention valve is equipped with auxiliary blade two on the surface of blade one, just can adjust the size of air output through the angle of adjusting auxiliary blade two under daily fire prevention valve blade open mode, need not adjust blade one, prevent to cause wearing and tearing at daily minimalist range exhaust fume in-process to the blade, the effect that leads to keeping off the fire when big conflagration and keep off the cigarette reduces, meshing through gear rack and gear, utilize the push rod to promote the gear rack and make auxiliary blade two come the size that the turned angle can adjust the volume of discharging fume promptly, when big conflagration comes, trigger control actuating mechanism when the high temperature, control actuating mechanism drives blade one and seals the mouth of a cigarette.

Furthermore, a rotating bearing is arranged at the joint of the rotating shaft and the valve body, the rotating shaft is rotatably connected with the valve body through the rotating bearing, and a groove is formed in the joint of the rotating shaft and one side face of each blade. The rotation of the rotating shaft is ensured.

Furthermore, fixed plates are arranged on two sides of the valve body, and a plurality of fixed holes are formed in the fixed plates. The valve body and the air exhaust channel are ensured to be fixed.

Furthermore, the valve body, the first blade and the second auxiliary blade are all made of galvanized plates or carbon steel. Ensuring the heat resistance of the fire damper.

Drawings

Fig. 1 is a structural schematic diagram of a smoke discharge fire damper with adjustable smoke discharge.

Fig. 2 is a partial structural schematic diagram of an auxiliary blade II of the smoke discharge fireproof valve with adjustable smoke discharge quantity.

As shown in the figure: 1. a valve body; 2. controlling the actuating mechanism; 3. a smoke outlet; 4. a first blade; 5. a second auxiliary blade; 6. a rotating shaft; 7. a gear; 8. a gear rack; 9. an electric push rod; 10. a rotating bearing; 11. a fixing plate; 12. and (7) fixing holes.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

Combine that fig. 1 shows, be equipped with control actuating mechanism 2 on the valve body 1, valve body 1 is equipped with outlet flue 3, outlet flue 3 department is equipped with blade 4, blade 4 rotates with valve body 1 to be connected, closely set up between blade 4, blade 4 one end is connected with control actuating mechanism 2, 4 top one sides of blade all are equipped with supplementary blade two 5, supplementary blade two 5 one side is equipped with axis of

rotation

6, 6 sides of axis of rotation and blade 4 rotate to be connected, 6 both ends of axis of rotation and valve body 1 rotate to be connected, 6 lower extremes of axis of rotation run through valve body 1 and are equipped with gear 7, gear 7 has gear strip 8, gear strip 8 and the meshing of

gear

7, 8 one side of gear strip is equipped with electric putter 9.

The utility model discloses when concrete implementation, the blade of fire prevention valve is the detached state in daily, open the electric push rod at daily small-size smoke exhaust in-process, the electric push rod promotes the rack, the rack drives the gear, the gear drives the axis of rotation and rotates, the axis of rotation rotates the angle of adjusting secondary blade two and adjusts the size of the volume of discharging fume, when big conflagration comes, trigger control actuating mechanism when the high temperature, control actuating mechanism drives the blade one and seals the outlet flue, both sides are equipped with the fixed plate, be equipped with a plurality of fixed orificess on the fixed plate, can guarantee the valve body and exhaust channel's fixed. Those not described in detail in this specification are within the skill of the art.

Referring to the attached drawing 1, a rotating bearing 10 is arranged at the joint of the rotating shaft 6 and the valve body 1, the rotating shaft 6 is rotatably connected with the valve body 1 through the rotating bearing 10, and a groove is formed in the joint of the rotating shaft 6 and the side surface of the first blade 4. The rotation of the rotating shaft is ensured.

Referring to fig. 1, the valve body 1 is provided with fixing plates 11 at two sides thereof, and the fixing plates 11 are provided with a plurality of fixing holes 12. The valve body and the air exhaust channel are ensured to be fixed.

Referring to the attached drawing 1, the valve body 1, the first blade 4 and the second auxiliary blade 5 are made of galvanized plates or carbon steel. Ensuring the heat resistance of the fire damper.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a volume of discharging fume adjustable smoke damper, includes valve body (1), its characterized in that: be equipped with control actuating mechanism (2) on valve body (1), valve body (1) is equipped with outlet flue (3), outlet flue (3) department is equipped with blade (4), blade (4) and valve body (1) rotate to be connected, closely set up between blade (4), blade (4) one end and control actuating mechanism (2) are connected, blade (4) top one side all is equipped with supplementary blade two (5), supplementary blade two (5) one side is equipped with axis of rotation (6), axis of rotation (6) side and blade (4) rotate to be connected, axis of rotation (6) both ends and valve body (1) rotate to be connected, axis of rotation (6) lower extreme runs through valve body (1) and is equipped with gear (7), gear (7) have gear strip (8), gear strip (8) and gear (7) meshing, gear strip (8) one side is equipped with electric putter (9).

2. The smoke discharge fireproof valve with adjustable smoke discharge amount according to claim 1, characterized in that: the rotary shaft (6) is connected with the valve body (1) through a rotating bearing (10), the rotary shaft (6) is rotatably connected with the valve body (1) through the rotating bearing (10), and a groove is formed in the connection position of the side face of the rotary shaft (6) and the side face of the first blade (4).

3. The smoke discharge fireproof valve with adjustable smoke discharge amount according to claim 1, characterized in that: the valve is characterized in that fixing plates (11) are arranged on two sides of the valve body (1), and a plurality of fixing holes (12) are formed in the fixing plates (11).

4. The smoke discharge fire damper with adjustable smoke discharge amount according to claim 1, wherein: the valve body (1), the first blade (4) and the second auxiliary blade (5) are made of galvanized plates or carbon steel.