CN218719026U

CN218719026U - Novel smoke return prevention smoke exhaust valve for accelerating smoke exhaust

Info

Publication number: CN218719026U
Application number: CN202222911352.5U
Authority: CN
Inventors: 郑惠兰; 黎炳豪; 郑泽霖; 陈晓欣
Original assignee: Foshan Boao Ventilation Equipment Co ltd
Current assignee: Foshan Boao Ventilation Equipment Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-24
Anticipated expiration: 2032-11-02

Abstract

The utility model belongs to the technical field of the valve, a novel smoke return prevention exhaust valve of discharging fume with higher speed is disclosed, including left exhaust valve, left side exhaust valve's right side fixedly connected with right side exhaust valve, the inside right side top fixedly connected with fixed plate of right side exhaust valve, and the below of fixed plate articulates there is the smoke return prevention door, left side exhaust valve's right side through connection has the drainage cover, left side exhaust valve's inside fixedly connected with bracing piece, and the bracing piece keep away from left exhaust valve inner wall one end fixedly connected with variable speed motor, fixedly connected with fan blade in the pivot that variable speed motor right side was equipped with, left side exhaust valve's left side through connection has into the mouth, the utility model provides a novel smoke return prevention exhaust valve of discharging fume with higher speed, the better reduce cost of being convenient for can carry out the automation simultaneously and prevent the cigarette return.

Description

Novel smoke return prevention smoke exhaust valve for accelerating smoke exhaust

Technical Field

The utility model belongs to the technical field of the valve, specifically be a novel smoke return prevention exhaust valve who discharges fume with higher speed.

Background

Valves are pipe fittings used to open and close pipes, control flow direction, regulate and control parameters (temperature, pressure and flow) of a transport medium, and are classified into shut-off valves, check valves, regulating valves, and the like according to their functions.

The existing smoke exhaust valve has the defects that smoke returns often under the influence of airflow in the smoke exhaust process, the sealing effect is poor, and the smoke cannot be effectively and quickly exhausted.

For publication No.: 202021945429.5 proposes a prevent returning cigarette smoke damper, and the contrast file improves to discharge fume with higher speed through the fan, controls to return the cigarette through the lift sealing door, because the control of lift sealing door passes through elevator motor and drives the position removal, and the cost of automation is higher, consequently the utility model provides a novel prevent returning cigarette smoke damper who discharges fume with higher speed, the better reduce cost of being convenient for can carry out the automation simultaneously and prevent returning the cigarette.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems: for publication No.: 202021945429.5 proposes a prevent returning cigarette smoke damper, and the contrast file improves to discharge fume with higher speed through the fan, controls to return the cigarette through the lift sealing door, because the control of lift sealing door passes through elevator motor and drives the position removal, and the cost of automation is higher, consequently the utility model provides a novel prevent returning cigarette smoke damper who discharges fume with higher speed, the better reduce cost of being convenient for can carry out the automation simultaneously and prevent returning the cigarette.

The utility model adopts the technical scheme as follows: the utility model provides a novel smoke return prevention smoke exhaust valve of discharging fume with higher speed, includes left smoke exhaust valve, the right side fixedly connected with right smoke exhaust valve of left side smoke exhaust valve, the inside right side top fixedly connected with fixed plate of right side smoke exhaust valve, and the below of fixed plate articulates there is the smoke return prevention door, the right side through connection of left side smoke exhaust valve has the drainage cover, the inside fixedly connected with bracing piece of left side smoke exhaust valve, and the bracing piece keep away from left smoke exhaust valve inner wall one end fixedly connected with variable speed motor, fixedly connected with fan blade in the pivot that variable speed motor right side was equipped with, the left side through connection of left side smoke exhaust valve has into the mouth of cigarette.

In a preferred embodiment, the fixing plate and the right side wall of the smoke return prevention door are connected through a hinge, and the fixing plate and the smoke return prevention door are matched with the right opening of the right smoke discharge valve.

Through the technical scheme, the anti-return smoke door can be automatically turned over under the action of the hinge conveniently.

In a preferred embodiment, the right end of the drainage cover is opposite to the middle of the smoke return prevention door, and the inner diameter of the left side of the drainage cover is larger than that of the right side of the drainage cover.

Through above-mentioned technical scheme, through the drainage cover right side with the flue gas speed grow, can will prevent back the smoke door and blow and discharge fume.

In a preferred embodiment, the fan blades are arranged opposite to the drainage cover, and the variable speed motor is electrically connected with an external controller.

Through above-mentioned technical scheme, drive pivot and fan blade through variable speed motor and rotate, can accelerate the smoke exhaust effect this moment.

In a preferred embodiment, the outer diameters of the left smoke exhaust valve and the right smoke exhaust valve are the same, and the support rods are distributed on the inner wall of the left smoke exhaust valve in a triangular shape.

Through the technical scheme, the supporting rods are distributed in a triangular shape, so that the position of the variable speed motor can be reinforced and positioned.

In a preferred embodiment, the fan blade is arranged opposite to the smoke inlet, and the fan blade rotates at a wind speed which is larger than the weight of the smoke return prevention door.

Through above-mentioned technical scheme, under the cooperation through advancing mouth and fan blade, can enter into the inside of drainage cover with the flue gas through advancing the mouth.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model provides a novel prevent back cigarette smoke damper of discharging fume with higher speed, the better reduce cost of being convenient for can carry out the automation simultaneously and prevent back the cigarette.

1. The utility model discloses in, there is the smoke return door of preventing through hinge connection in the below of fixed plate, is convenient for open in the automatic upset of the effect of wind down, when preventing the smoke return door not with the wind contact time, prevents that the smoke return door is in the closed condition this moment, is difficult for producing the return cigarette.

2. The utility model discloses in, there is the drainage cover on the right side through connection of left smoke damper, be convenient for through the right side of drainage cover, make the wind-force grow, can open the smoke door of preventing returning, keep away from left smoke damper inner wall one end fixedly connected with variable speed motor at the bracing piece, be convenient for drive pivot and fan blade through variable speed motor and rotate, can discharge fume through fan blade this moment, there is the inlet flue in the left side through connection of left side smoke damper, be convenient for can enter into left smoke damper through the inlet flue with the cigarette under the effect of inlet flue.

Drawings

FIG. 1 is a first state structure diagram of the present invention;

FIG. 2 is a schematic structural view of a second state of the present invention;

fig. 3 is a cross-sectional view of the first state structure of the present invention.

The labels in the figure are: 1-left smoke exhaust valve; 2-right smoke exhaust valve; 3, fixing a plate; 4-a hinge; 5-smoke return prevention door; 6, a drainage cover; 7-a support bar; 8-a variable speed motor; 9-a rotating shaft; 10-fan blades; 11-smoke inlet.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

The novel smoke return prevention and exhaust valve for accelerating the exhaust of smoke according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Example (b):

referring to fig. 1-3, a novel smoke return prevention and exhaust valve for accelerating exhaust of smoke comprises a left exhaust valve 1, a right exhaust valve 2 is fixedly connected to the right side of the left exhaust valve 1, the outer diameters of the left exhaust valve 1 and the right exhaust valve 2 are the same, a fixing plate 3 is fixedly connected to the upper portion of the right side inside the right exhaust valve 2, a smoke return prevention door 5 is hinged to the lower portion of the fixing plate 3, the fixing plate 3 is connected with the right side wall of the smoke return prevention door 5 through a hinge 4, the fixing plate 3 and the smoke return prevention door 5 are matched with the right side opening of the right exhaust valve 2, so that the smoke return prevention door 5 can be automatically turned over and opened under the action of wind, and when the smoke return prevention door 5 is not in contact with wind, the smoke return prevention door 5 is in a closed state and smoke return is not easy to generate;

referring to fig. 3, a drainage hood 6 is connected to the right side of the left smoke exhaust valve 1 in a penetrating manner, the right end of the drainage hood 6 is arranged opposite to the middle of the smoke return prevention door 5, the inner diameter of the left side of the drainage hood 6 is larger than that of the right side of the drainage hood 6, so that wind power is increased through the right side of the drainage hood 6, the smoke return prevention door 5 can be opened, supporting rods 7 are fixedly connected to the inside of the left smoke exhaust valve 1, and the supporting rods 7 are distributed on the inner wall of the left smoke exhaust valve 1 in a triangular manner;

referring to fig. 1-3, one end of the support rod 7, which is far away from the inner wall of the left smoke exhaust valve 1, is fixedly connected with a variable speed motor 8, the variable speed motor 8 is electrically connected with an external controller, a fan blade 10 is fixedly connected to a rotating shaft 9 arranged on the right side of the variable speed motor 8, the fan blade 10 is arranged opposite to the flow guide cover 6, the rotating shaft 9 and the fan blade 10 are driven by the variable speed motor 8 to rotate conveniently, smoke can be exhausted through the fan blade 10 at the moment, the fan blade 10 is arranged opposite to a smoke inlet 11, the rotating wind speed of the fan blade 10 is larger than the weight of the smoke return prevention door 5, the smoke inlet 11 is connected to the left side of the left smoke exhaust valve 1 in a penetrating manner, and smoke can enter the left smoke exhaust valve 1 through the smoke inlet 11 under the action of the smoke inlet 11.

This application advantage: the utility model provides a novel prevent back cigarette smoke damper of discharging fume with higher speed, the better reduce cost of being convenient for can carry out the automation simultaneously and prevent back the cigarette.

The working principle is as follows: start variable speed motor 8, make variable speed motor 8 drive pivot 9 and fan blade 10 rotate, can discharge the cigarette with higher speed this moment, blow to preventing back smoke door 5 when the cigarette through drainage cover 6, under the condition that 6 right-hand members bores of drainage cover diminish this moment, can open preventing back smoke door 5, the cigarette discharges through the right side opening of right side exhaust valve 2 this moment, when producing the back smoke condition, close variable speed motor 8 this moment, under the effect that prevents back smoke door 5 and not receive the cigarette and blow, prevent that back smoke door 5 carries out self-sealing with right side opening of right side exhaust valve 2 under the effect of self gravity this moment, can play the effect of preventing back smoke.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel smoke return prevention smoke exhaust valve of discharging fume with higher speed, includes left smoke exhaust valve (1), its characterized in that: the utility model discloses a smoke exhaust system, including left side discharge fume valve (1), right side fixedly connected with right side discharge fume valve (2), the inside right side top fixedly connected with fixed plate (3) of right side discharge fume valve (2), and the below of fixed plate (3) articulates has prevents returning smoke door (5), the right side through connection of left side discharge fume valve (1) has drainage cover (6), the inside fixedly connected with bracing piece (7) of left side discharge fume valve (1), and bracing piece (7) keep away from left side discharge fume valve (1) inner wall one end fixedly connected with variable speed motor (8), fixedly connected with fan blade (10) are gone up in pivot (9) that variable speed motor (8) right side was equipped with, the left side through connection of left side discharge fume valve (1) has smoke inlet (11).

2. The novel smoke return prevention and discharge valve for accelerating smoke discharge according to claim 1 is characterized in that: the fixed plate (3) is connected with the right side wall of the smoke return prevention door (5) through a hinge (4), and the fixed plate (3) is matched with the right side opening of the right smoke discharge valve (2) through the smoke return prevention door (5).

3. The novel smoke return prevention and discharge valve for accelerating smoke discharge according to claim 1 is characterized in that: the right end of the drainage cover (6) is opposite to the middle of the smoke return prevention door (5), and the inner diameter of the left side of the drainage cover (6) is larger than the inner diameter of the right side of the drainage cover (6).

4. The novel smoke return preventing and discharging valve for accelerating smoke discharging according to claim 1, is characterized in that: the fan blades (10) are arranged opposite to the drainage cover (6), and the variable speed motor (8) is electrically connected with an external controller.

5. The novel smoke return prevention and discharge valve for accelerating smoke discharge according to claim 1 is characterized in that: the outer diameters of the left smoke exhaust valve (1) and the right smoke exhaust valve (2) are the same, and the support rods (7) are distributed on the inner wall of the left smoke exhaust valve (1) in a triangular mode.

6. The novel smoke return preventing and discharging valve for accelerating smoke discharging according to claim 4, characterized in that: the fan blades (10) are arranged opposite to the smoke inlet (11), and the rotating wind speed of the fan blades (10) is greater than the weight of the smoke return prevention door (5).