CN212643657U

CN212643657U - Fireproof flue valve

Info

Publication number: CN212643657U
Application number: CN202021539334.3U
Authority: CN
Inventors: 刘从义
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-02
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a fireproof flue valve, which comprises a valve body, wherein the valve body comprises an exhaust pipeline, a valve block, a connecting rod, a stop lever and a third elastic body; the valve plate is hinged with the bottom of the outlet of the exhaust pipeline; two sides of the valve block are provided with opposite supporting plates, guide rails are arranged on the supporting plates, and two ends of the stop lever are inserted into the guide rails; one end of the connecting rod is connected with the fusing component, and the other end of the connecting rod is clamped on the stop lever; one end of the third elastic body is connected with the stop lever, and the other end of the third elastic body is fixed on the supporting plate. When a fire disaster happens, high-temperature gas enters the exhaust pipeline, the fusing component is disconnected, the connecting rod loses resistance to the stop lever, the stop lever slides along the guide rail under the action of the third elastic body, the valve plate is closed under the action of the stop lever, the valve plate is effectively prevented from being opened again under the impact of high-temperature airflow, the oil smoke channel and the public channel are blocked, and the living safety of a user is improved.

Description

Fireproof flue valve

Technical Field

The utility model relates to a ventilation pipe technical field, concretely relates to fire prevention flue valve.

Background

The oil smoke exhaust outlet of each household kitchen of the resident of the existing building is a smoke exhaust channel communicated with the upper part and the lower part, and in order to prevent the oil smoke in the smoke exhaust channel from flowing back into the kitchen, a device such as a flue check valve is arranged between the air outlet pipe mouth of the smoke exhaust ventilator and the public smoke exhaust channel.

The flue check valve of current single valve piece installs the valve piece at the exit end of the pipe fitting of check valve, and the valve piece is articulated with the lower extreme of pipe fitting, and when using the lampblack absorber, the oil smoke enters into oil smoke channel effect and valve piece, because the bottom of valve piece is articulated with the bottom of pipe fitting, so the valve piece receives the oil smoke effort and opens, and when the lampblack absorber stop work, the valve piece can be at automatic re-setting. The valve plate is arranged at the end part of the smoke exhaust channel extending into the public flue, when the range hood is in a working state, the valve plate of the check valve is in an open state under the action of air flow conveyed by the range hood, and when the range hood stops working, the valve plate returns. As a plurality of users share one common flue, once one of the users or one of the users has a fire, a large amount of high-temperature harmful gas enters the common flue, and at the moment, if a valve plate of a flue check valve cannot be closed in time, the harmful gas enters a home using the range hood through the flue check valve and an oil smoke channel, so that the life safety of other residents is threatened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current technical problem, provide a all kinds of simple structure, simple to operate is swift, can in time close the fire prevention flue valve of valve block.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a fireproof flue valve comprises a valve body, wherein the valve body comprises an exhaust pipeline, a valve plate, a connecting rod, a stop lever and a third elastic body;

the valve plate is hinged with the bottom of the outlet of the exhaust pipeline;

two sides of the valve block are provided with opposite supporting plates, guide rails are arranged on the supporting plates, and two ends of the stop lever are inserted into the guide rails;

one end of the connecting rod is connected with the fusing component, and the other end of the connecting rod is clamped on the stop lever;

one end of the third elastic body is connected with the stop lever, and the other end of the third elastic body is fixed on the supporting plate.

The utility model has the advantages that: when a fire disaster happens, high-temperature gas enters the exhaust pipeline, the fusing component is disconnected, the connecting rod loses resistance to the stop lever, the stop lever slides along the guide rail under the action of the third elastic body, the valve plate is closed under the action of the stop lever, the valve plate is effectively prevented from being opened again under the impact of high-temperature airflow, the oil smoke channel and the public channel are blocked, and the living safety of a user is improved.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

the fuse assembly is characterized by further comprising an air guide cover, a mounting plate is fixed on a top plate of the air guide cover, one end of the fuse assembly is fixed on the mounting plate, and the other end of the fuse assembly is connected with the connecting rod through a second elastic body.

The beneficial effect of adopting the further technical scheme is that: through installing the fusing subassembly on the roof, make high-temperature gas direct action on the fusing subassembly, realize the quick fusing of fusing subassembly, make the valve block close fast and guarantee user safety.

Further, the mounting plate is L-shaped.

The beneficial effect of adopting the further technical scheme is that: the mounting panel is L shape, simple structure, simple to operate.

Furthermore, a through hole for accommodating the connecting rod is arranged on a top plate of the wind scooper, and the connecting rod is inserted into the through hole.

The beneficial effect of adopting the further technical scheme is that: through with the connecting rod cartridge in the through-hole, can realize the joint effect to the pin, guarantee the normal work of flue valve.

Further, the guide rail includes first guide rail and the second guide rail that is the contained angle setting.

The beneficial effect of adopting the further technical scheme is that: through being the contained angle setting with first guide rail and second guide rail, can avoid the great valve block of air current to open the condition once more, guarantee the firm location of pin to the valve block.

Furthermore, a fixed seat is installed at the bottom of the exhaust pipeline, a pin shaft is arranged on the fixed seat, and the valve plate is hinged to the pin shaft through a rocker arm.

The beneficial effect of adopting the further technical scheme is that: the valve block is hinged on the pin shaft through the rocker arm, the structure is simple, the operation is convenient, and the normal opening of the valve block can be ensured.

Further, install first elastomer on the round pin axle, the one end of first elastomer is fixed on the fixing base, and the other end joint is on the rocking arm.

The beneficial effect of adopting the further technical scheme is that: the valve plate connected with the rocker arm can be ensured to normally reset by arranging the first elastic body.

Furthermore, still include the fixed plate, the one end of fixed plate articulates on the round pin axle, and the other end is fixed with the rocking arm.

The beneficial effect of adopting the further technical scheme is that: the rocker arm is positioned by arranging the fixing plate, and the rocker arm is prevented from sliding on the pin shaft.

Further, the connecting rod includes first trip and the second trip that sets up respectively at both ends, first trip and second trip pass through the connecting rod and connect, the connecting rod is certain angle bending.

The beneficial effect of adopting the further technical scheme is that: through being certain angle with the connecting rod and buckling, can convert the elasticity of second elastomer into the joint power to the pin, compact structure is reasonable, simple to operate.

Drawings

FIG. 1 is a schematic structural view of a fire damper of the present application;

FIG. 2 is a schematic structural diagram of a fireproof flue valve when locked;

FIG. 3 is a schematic view of the installation of the valve plate;

FIG. 4 is a schematic view of a guide rail;

fig. 5 is a schematic structural view of the connecting rod.

The reference numbers are recorded as follows: the air guide device comprises an exhaust pipeline 1, a valve plate 2, a rocker arm 3, a fixed seat 4, a pin shaft 5, a first elastic body 6, a fixed plate 7, an air guide cover 8, a mounting plate 9, a fusing component 10, a second elastic body 11, a connecting rod 12, a first clamping hook 12-1, a second clamping hook 12-2, a connecting rod 12-3, a stop lever 13, a supporting plate 14, a guide rail 15, a first guide rail 15-1, a second guide rail 15-2, a third elastic body 16 and a mounting seat 17.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

A fireproof flue valve (see figures 1 to 5) comprises a valve body, wherein the valve body comprises an exhaust pipeline 1, a valve plate 2, a connecting rod 12, a stop lever 13 and a third elastic body 16;

the valve plate 2 is hinged with the bottom of the outlet of the exhaust pipeline 1; the exhaust pipeline 1 is arranged in the mounting seat 17;

two sides of the valve plate 2 are provided with opposite supporting plates 14, the supporting plates 14 are provided with guide rails 15, and two ends of the stop lever 13 are inserted into the guide rails 15; one end of the supporting plate 14 is fixed on the mounting seat 17, and the other end is fixed on the wind scooper 8.

One end of the connecting rod 12 is connected with the fusing component 10, and the other end of the connecting rod is clamped on the stop lever 13; the fusing component 10 comprises two fusing pieces which are soldered, one of the fusing pieces is fixed on the mounting plate 9, the other fusing piece is clamped with the second elastic body 11, one end of the third elastic body 16 is connected with the stop lever 13, and the other end of the third elastic body is fixed on the supporting plate 14. The end of the stop lever 13 is provided with a groove, and the third elastic body 16 is clamped in the groove.

The fuse assembly is characterized by further comprising an air guide cover 8, an installation plate 9 is fixed on a top plate of the air guide cover 8, one end of the fuse assembly 10 is fixed on the installation plate 9, and the other end of the fuse assembly is connected with a connecting rod 12 through a second elastic body 11.

The mounting plate 9 is L-shaped. The mounting plate 9 may have other structures, and is not limited herein.

A through hole for accommodating the connecting rod 12 is arranged on the top plate of the wind scooper 8, and the connecting rod 12 is inserted into the through hole.

The guide rail 15 comprises a first guide rail 15-1 and a second guide rail 15-2 which are arranged at an included angle. The first guide rail 15-1 may be horizontally disposed or disposed at an angle with respect to the horizontal line according to the use requirement.

The bottom of exhaust duct 1 installs fixing base 4, be equipped with round pin axle 5 on the fixing base 4, valve block 2 articulates on round pin axle 5 through rocking arm 3.

Install first elastomer 6 on the round pin axle 5, the one end of first elastomer 6 is fixed on fixing base 4, and the other end joint is on rocking arm 3. The first elastic body 6, the second elastic body 11, and the third elastic body 16 may be springs.

The swing arm device is characterized by further comprising a fixing plate 7, wherein one end of the fixing plate 7 is hinged to the pin shaft 5, and the other end of the fixing plate 7 is fixed with the swing arm 3.

As shown in fig. 5, the connecting rod 12 includes a first hook 12-1 and a second hook 12-2 respectively disposed at two ends, the first hook 12-1 and the second hook 12-2 are connected by a connecting rod 12-3, and the connecting rod 12-3 is bent at a certain angle. The first clamping hook 12-1 is connected with the second elastic body 11, the second clamping hook 12-2 is clamped on the stop lever 13, the connecting rod 12-3 is inserted into a through hole in the top plate of the wind scooper 8, and the bending angle of the connecting rod 12-3 is preferably 90 degrees.

The working process of the application is as follows: when a fire disaster happens, the two fuse links of the fuse component 10 are disconnected under the action of high temperature, the connecting rod 12 loses the tensile force of the second elastic body 11 and rotates around the through hole in the top plate, the stop lever 13 is separated from the connecting rod 12 under the action of the third elastic body 16 and slides along the guide rail 15, and when the stop lever 13 slides into the second guide rail 15-2, the displacement of the valve plate 2 is limited, the valve plate 2 is prevented from being opened, and the safety of a user is ensured.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A fireproof flue valve comprises a valve body, and is characterized in that the valve body comprises an exhaust pipeline (1), a valve plate (2), a connecting rod (12), a stop lever (13) and a third elastic body (16);

the valve plate (2) is hinged with the bottom of the outlet of the exhaust pipeline (1);

two sides of the valve plate (2) are provided with opposite supporting plates (14), the supporting plates (14) are provided with guide rails (15), and two ends of the stop lever (13) are inserted into the guide rails (15);

one end of the connecting rod (12) is connected with the fusing component (10), and the other end of the connecting rod is clamped on the stop lever (13);

one end of the third elastic body (16) is connected with the stop lever (13), and the other end is fixed on the support plate (14).

2. The fire-proof flue valve according to claim 1, further comprising an air guiding cover (8), wherein a mounting plate (9) is fixed on a top plate of the air guiding cover (8), one end of the fusing component (10) is fixed on the mounting plate (9), and the other end of the fusing component is connected with the connecting rod (12) through a second elastic body (11).

3. A fire damper as claimed in claim 2, characterised in that the mounting plate (9) is L-shaped.

4. A fire protection flue valve according to claim 2, wherein the top plate of the wind scooper (8) is provided with a through hole for accommodating the connecting rod (12), and the connecting rod (12) is inserted into the through hole.

5. A fire damper as claimed in claim 1, characterised in that the guide (15) comprises a first guide (15-1) and a second guide (15-2) arranged at an angle.

6. The fireproof flue valve of claim 1, wherein a fixed seat (4) is installed at the bottom of the exhaust pipeline (1), a pin shaft (5) is arranged on the fixed seat (4), and the valve plate (2) is hinged on the pin shaft (5) through a rocker arm (3).

7. The fireproof flue valve of claim 6, wherein the pin (5) is provided with a first elastic body (6), one end of the first elastic body (6) is fixed on the fixed seat (4), and the other end is clamped on the rocker arm (3).

8. A fireproof flue valve according to claim 6, further comprising a fixing plate (7), wherein one end of the fixing plate (7) is hinged on the pin (5), and the other end is fixed with the rocker arm (3).

9. The fireproof flue valve of claim 1, wherein the connecting rod (12) comprises a first hook (12-1) and a second hook (12-2) respectively arranged at two ends, the first hook (12-1) and the second hook (12-2) are connected through a connecting rod (12-3), and the connecting rod (12-3) is bent at a certain angle.