CN213871247U

CN213871247U - Novel flue gas check valve

Info

Publication number: CN213871247U
Application number: CN202022351927.3U
Authority: CN
Inventors: 陆玉宝; 于晓民; 顾明庆; 张乐; 冉磊
Original assignee: Shanghai Installation Engineering Group Co Ltd
Current assignee: Shanghai Installation Engineering Group Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-03
Anticipated expiration: 2030-10-21

Abstract

An object of the utility model is to provide a novel flue gas check valve to solve the current market that proposes in the above-mentioned background art on the firework check valve mainly be one-way valve block structure that opens and shuts, rely on the thrust of flue gas to carry out the emission of flue gas, there is the problem that the flue gas flows backward, the structure is complicated, changes the problem of difficulty. Comprises a cylindrical shell, at least two air vents, a rotating column and a plurality of rotating plates; the air vent is arranged on the outer side of the side wall of the cylindrical shell; the rotating column is arranged inside the cylindrical shell; the rotating plates are distributed along the outer sides of the rotating columns, the roots of the rotating plates are connected with the rotating columns, and the end parts of the rotating plates are arranged close to the inner sides of the side walls of the cylindrical shells; the end part of the rotating plate is provided with a knife-shaped rubber scraper; the inner side of the side wall of the cylindrical shell is provided with a stop dog matched with the knife-shaped rubber scraper, and a bayonet is formed between the stop dog and the inner side of the side wall of the cylindrical shell.

Description

Novel flue gas check valve

Technical Field

The utility model relates to a flue gas check valve technical field specifically is a novel flue gas check valve.

Background

With the rapid development of social economy, people have higher and higher requirements on home decoration, so far, about seven hundred million urban population exists in China, and the smoke check valves in kitchens and markets in urban houses have great requirements.

However, the existing smoke and fire check valves on the market are mainly of one-way opening and closing valve plate structures, smoke is discharged by means of the thrust of the smoke, the problem of backflow of the smoke exists, the structure is complex, and replacement is difficult; therefore, the existing requirements are not met, and a novel smoke check valve is provided for the requirements.

Disclosure of Invention

An object of the utility model is to provide a novel flue gas check valve to solve the current market that proposes in the above-mentioned background art on the firework check valve mainly be one-way valve block structure that opens and shuts, rely on the thrust of flue gas to carry out the emission of flue gas, there is the problem that the flue gas flows backward, the structure is complicated, changes the problem of difficulty.

The utility model provides a following technical scheme:

a novel smoke check valve comprises a cylindrical shell, at least two air vents, a rotating column and a plurality of rotating plates; the air vent is arranged on the outer side of the side wall of the cylindrical shell; the rotating column is arranged inside the cylindrical shell; the rotating plates are distributed along the outer sides of the rotating columns, the roots of the rotating plates are connected with the rotating columns, and the end parts of the rotating plates are arranged close to the inner sides of the side walls of the cylindrical shells; the end part of the rotating plate is provided with a knife-shaped rubber scraper; the inner side of the side wall of the cylindrical shell is provided with a stop dog matched with the knife-shaped rubber scraper, and a bayonet is formed between the stop dog and the inner side of the side wall of the cylindrical shell.

The utility model discloses a novel flue gas check valve, after the flue gas was inputed from the left side blow vent, the rotor plate can be anticlockwise rotatory under the promotion of flue gas to take the flue gas to the right side blow vent and discharge away. And when the smoke is input from the right side air vent, the rotating plate can rotate clockwise under the pushing of the smoke. At the moment, the end part of the knife-shaped rubber scraper can be clamped into a bayonet formed between the stop block and the inner side of the side wall of the cylindrical shell to prevent the rotating plate from continuously rotating, so that the effect of preventing the smoke from flowing backwards is achieved.

Further, in the novel flue gas check valve, specifically, the axis of the rotating column coincides with the axis of the cylindrical housing.

Further, among the novel flue gas check valve, in order to prevent that shape rubber scraper from reversing, the mounting groove is seted up to the tip of rotor plate, the root of sword shape rubber scraper passes through the rubber scraper axle and rotates and install in the mounting groove, and the sword back of a knife of sword shape rubber scraper passes through spring and rotor plate end connection.

Further, in the novel flue gas check valve, T type draw-in groove is seted up in the outside of column spinner, the root and the T type draw-in groove of rotor plate cooperate, and the root of each rotor plate sets up respectively in T type draw-in groove. The formula loading and unloading are inserted to the rotor plate, only need take old rotor plate out when changing, with new rotor plate insert in the T type draw-in groove can, simple structure, easy dismounting.

Furthermore, in the novel smoke check valve, in order to facilitate connection, the outer surface of the air vent is provided with external threads.

Further, among the novel flue gas check valve, it is specific, still include the rotation axis, the through-hole is seted up at the top of cylindrical shell, install the bearing in the through-hole, the tip of rotation axis pass the bearing and with column spinner fixed connection.

Furthermore, the novel flue gas check valve also comprises a chuck, a box body, a connecting shaft and a control panel; the chuck is fixedly connected with the tail part of the rotating shaft, and a groove is formed in the surface of the chuck; the box body is covered on the chuck, the bottom of the box body is fixedly connected with the cylindrical shell, the top of the box body is provided with a hole, and a convex block is arranged at the hole of the box body; the end part of the connecting shaft is provided with a clamping block matched with the groove, the end part of the connecting shaft penetrates through the opening at the top of the box body and is movably connected with the chuck, the side part of the connecting shaft is provided with a strip-shaped groove, and the lug is arranged in the strip-shaped groove in a sliding manner; the control panel is fixedly connected with the tail part of the connecting shaft. The clamping block of the connecting shaft is clamped with the groove of the chuck, so that the opening and closing of the valve can be controlled quickly. Just at during operation when novel flue gas check valve, the rotation axis is rotatory, if need control novel flue gas check valve stall, only need hold the control panel, with the inside promotion of control panel for in the fixture block card goes into the recess, and the connecting axle can't rotate under the effect of lug, makes novel flue gas check valve stall. The novel smoke check valve can work by drawing out the control panel, and the function of rapidly controlling the opening and closing of the valve is achieved.

Furthermore, in the novel flue gas check valve, in order to facilitate the sliding of the connecting shaft, the end part of the lug is provided with a pulley.

Further, in the novel flue gas check valve, specifically, the groove is cross-shaped.

Drawings

Fig. 1 is a schematic view of a novel flue gas check valve of the present invention;

fig. 2 is a front sectional view of a novel flue gas check valve of the present invention;

fig. 3 is a top cross-sectional view of a novel flue gas check valve of the present invention;

fig. 4 is a schematic view of a control disk of the novel flue gas check valve of the present invention;

FIG. 5 is a schematic view of a rubber scraper of the novel smoke check valve of the present invention;

fig. 6 is a schematic view of the pulley of the novel flue gas check valve of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Example (b):

referring to fig. 1, 2, 3 and 5, the present embodiment provides a novel smoke check valve, which includes a cylindrical housing 3, at least two air vents 2, a rotating column 8, and a plurality of rotating plates 6; the air vent 2 is arranged on the outer side of the side wall of the cylindrical shell 3; the rotating column 8 is arranged inside the cylindrical shell 3; the rotating plate 6 is distributed along the outer side of the rotating column 8, the root of the rotating plate 6 is connected with the rotating column 8, and the end part of the rotating plate 6 is arranged close to the inner side of the side wall of the cylindrical shell 3; a knife-shaped rubber scraper 19 is arranged at the end part of the rotating plate 6; a stop block 22 matched with the knife-shaped rubber scraper 19 is arranged on the inner side of the side wall of the cylindrical shell 3, and a bayonet 26 is formed between the stop block 22 and the inner side of the side wall of the cylindrical shell 3.

The novel flue gas check valve of this embodiment, after the flue gas was input from left side blow vent 2, rotor plate 6 can be anticlockwise rotatory under the promotion of flue gas to take the flue gas to right side blow vent 2 and discharge out. And when smoke is input from the right side air vent 2, the rotating plate 6 can rotate clockwise under the pushing of the smoke. At this time, the end of the knife-shaped rubber scraper 19 is clamped into the bayonet 26 formed between the stopper 22 and the inner side of the side wall of the cylindrical housing 3, and the rotating plate 6 is prevented from further rotating, so that the effect of preventing the smoke from flowing backwards is achieved.

Referring to fig. 2, in the novel flue gas check valve, as a preferred embodiment, the axis of the rotary column 8 is coincident with the axis of the cylindrical housing 3.

Referring to fig. 5, in the novel smoke check valve, in order to prevent the shape rubber scraper 19 from turning upside down, the end of the rotating plate 6 is provided with a mounting groove 21, the root of the shape rubber scraper 19 is rotatably mounted in the mounting groove 21 through a rubber scraper shaft 18, and the blade back of the shape rubber scraper 19 is connected with the end of the rotating plate 6 through a spring 20.

Referring to fig. 2, in the novel smoke check valve, as a preferred embodiment, a T-shaped slot 7 is formed in the outer side of the rotary column 8, the root of the rotary plate 6 is matched with the T-shaped slot 7, and the root of each rotary plate 6 is respectively disposed in the T-shaped slot 7. The formula loading and unloading are inserted to rotor plate 6 taking out, only need take old rotor plate 6 out when changing, with new rotor plate 6 insert in T type draw-in groove 7 can, simple structure, easy dismounting.

Referring to fig. 1, in the novel smoke check valve, in a preferred embodiment, for convenience of connection, an external thread 1 is arranged on the outer surface of the vent 2.

Referring to fig. 3, as a preferred embodiment, the novel smoke check valve further includes a rotating shaft 10, a through hole 23 is formed in the top of the cylindrical housing 3, a bearing 24 is installed in the through hole 23, and an end of the rotating shaft 10 passes through the bearing 24 and is fixedly connected with the rotating column 8.

Referring to fig. 3, 4 and 5, as a preferred embodiment, the novel flue gas check valve further includes a chuck 11, a box body 13, a connecting shaft 5 and a control panel 4; the chuck 11 is fixedly connected with the tail part of the rotating shaft 10, and a groove 12 is formed in the surface of the chuck 11; the box body 13 is covered on the chuck 11, the bottom of the box body 13 is fixedly connected with the cylindrical shell 3, the top of the box body 13 is provided with a hole, and a bump 17 is arranged at the hole of the box body 13; a clamping block 16 matched with the groove 12 is arranged at the end part of the connecting shaft 5, the end part of the connecting shaft 5 penetrates through the opening at the top of the box body 13 and is movably connected with the chuck 11, a strip-shaped groove 14 is formed in the side part of the connecting shaft 5, and the bump 17 is arranged in the strip-shaped groove 14 in a sliding manner; the control panel 4 is fixedly connected with the tail part of the connecting shaft 5. The valve can be rapidly controlled to open and close by the clamping blocks 16 of the connecting shaft 5 and the grooves 12 of the chuck 11. When novel flue gas check valve is just working, rotation axis 10 is rotatory, if need control novel flue gas check valve stall, only need hold control panel 4, with control panel 4 inside promotion for 16 card of fixture block go into in recess 12, and connecting axle 5 can't be rotatory under the effect of lug 17, make novel flue gas check valve stall. The novel smoke check valve can work by drawing out the control panel 4, and the function of rapidly controlling the opening and closing of the valve is achieved.

Referring to fig. 6, in the novel smoke non-return valve, in order to facilitate the sliding of the connecting shaft 5, a pulley 15 is arranged at the end of the lug 17.

Referring to fig. 4, in the novel smoke check valve, in a preferred embodiment, the groove 12 is in a cross shape.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims

1. A novel smoke check valve is characterized by comprising a cylindrical shell (3), at least two air vents (2), a rotating column (8) and a plurality of rotating plates (6);

the air vent (2) is arranged on the outer side of the side wall of the cylindrical shell (3);

the rotating column (8) is arranged inside the cylindrical shell (3);

the rotating plate (6) is distributed along the outer side of the rotating column (8), the root of the rotating plate (6) is connected with the rotating column (8), and the end part of the rotating plate (6) is arranged close to the inner side of the side wall of the cylindrical shell (3); a knife-shaped rubber scraper (19) is arranged at the end part of the rotating plate (6);

the inner side of the side wall of the cylindrical shell (3) is provided with a stop block (22) matched with the knife-shaped rubber scraper (19), and a bayonet (26) is formed between the stop block (22) and the inner side of the side wall of the cylindrical shell (3).

2. A new flue gas non-return valve according to claim 1, characterized in that the axis of the rotating column (8) coincides with the axis of the cylindrical housing (3).

3. The novel smoke check valve as claimed in claim 1, wherein the end of the rotating plate (6) is provided with a mounting groove (21), the root of the knife-shaped squeegee blade (19) is rotatably mounted in the mounting groove (21) through a squeegee blade shaft (18), and the blade back of the knife-shaped squeegee blade (19) is connected with the end of the rotating plate (6) through a spring (20).

4. A novel smoke check valve as claimed in claim 1, wherein the outside of said rotary column (8) is opened with a T-shaped slot (7), the root of said rotary plate (6) is matched with said T-shaped slot (7), and the root of each rotary plate (6) is set in said T-shaped slot (7).

5. A novel smoke check valve as claimed in claim 1 wherein the outer surface of said ventilation port (2) is provided with external threads (1).

6. The novel flue gas check valve as claimed in claim 1, further comprising a rotating shaft (10), wherein a through hole (23) is formed in the top of the cylindrical housing (3), a bearing (24) is installed in the through hole (23), and the end of the rotating shaft (10) passes through the bearing (24) and is fixedly connected with the rotating column (8).

7. The novel flue gas check valve as claimed in claim 6, further comprising a chuck (11), a box body (13), a connecting shaft (5) and a control disc (4);

the chuck (11) is fixedly connected with the tail part of the rotating shaft (10), and a groove (12) is formed in the surface of the chuck (11);

the box body (13) is covered on the chuck (11), the bottom of the box body (13) is fixedly connected with the cylindrical shell (3), the top of the box body (13) is provided with a hole, and a bump (17) is arranged at the hole of the box body (13);

a clamping block (16) matched with the groove (12) is arranged at the end part of the connecting shaft (5), the end part of the connecting shaft (5) penetrates through the opening at the top of the box body (13) and is movably connected with the chuck (11), a strip-shaped groove (14) is formed in the side part of the connecting shaft (5), and the convex block (17) is arranged in the strip-shaped groove (14) in a sliding manner;

the control panel (4) is fixedly connected with the tail part of the connecting shaft (5).

8. A novel smoke check valve as claimed in claim 7 wherein the end of said projection (17) is provided with a pulley (15).

9. A novel flue gas non-return valve according to claim 7, characterized in that said groove (12) is cross-shaped.