Smoke exhaust fireproof valve capable of controlling smoke exhaust amount

Abstract

The utility model belongs to the technical field of smoke exhaust fireproof valves, particularly relates to a smoke exhaust fireproof valve capable of controlling the smoke exhaust amount, and provides the following scheme aiming at the problems that in the prior art, when a smoke exhaust fireproof valve is used for exhausting smoke, the smoke exhaust amount is difficult to control and adjust according to use requirements, and the use efficiency is greatly reduced. The smoke exhaust fireproof valve comprises a smoke exhaust fireproof valve body. The control box is fixedly connected to the left side of the smoke exhaust fireproof valve main body; the auxiliary plate is fixedly connected into the smoke exhaust fireproof valve main body; the first control door is connected to the front side of the auxiliary plate in a sliding manner; the second control door is connected to the front side of the first control door in a sliding mode; according to the utility model, the electric push rod is controlled to work, the electric push rod can assist the second control door in opening the smoke discharge, and when the smoke discharge amount needs to be increased, the second control door can assist the first control door in opening, so that the effect of controlling the smoke discharge amount is achieved.

Description

Technical Field

[0001] This utility model relates to the field of smoke exhaust fire damper technology, and in particular to a smoke exhaust fire damper with controllable smoke exhaust volume. Background Technology

[0002] In the prior art, a smoke exhaust fire damper is a valve installed on the duct of a mechanical smoke exhaust system. It is normally open and automatically closes when the temperature of the smoke in the exhaust duct reaches 280°C during a fire. It also meets the requirements for smoke leakage and fire resistance integrity for a certain period of time, thus playing the role of smoke isolation and fire prevention. However, in the prior art, it is difficult to control and adjust the smoke exhaust volume according to the needs of use when using a smoke exhaust fire damper, which greatly reduces the efficiency of use.

[0003] Therefore, this application proposes a smoke exhaust fire damper with controllable smoke exhaust volume to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing smoke exhaust fire dampers, which make it difficult to control and adjust the smoke exhaust volume according to usage needs, thus greatly reducing usage efficiency. Therefore, this invention proposes a smoke exhaust fire damper with controllable smoke exhaust volume.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A smoke exhaust fire damper with controllable smoke exhaust volume includes a smoke exhaust fire damper body;

[0007] A control box, which is fixedly connected to the left side of the smoke exhaust fire damper body;

[0008] An auxiliary plate is fixedly connected inside the smoke exhaust fire damper body;

[0009] Control door number one, which is slidably connected to the front side of the auxiliary plate;

[0010] Control door number two is slidably connected to the front side of control door number one;

[0011] An adjustment plate, which is fixedly connected to the front side of the No. 2 control door;

[0012] The control mechanism includes a control plate, a connecting plate, and an extension plate. The control plate is slidably connected to the inner right side of the control box. The connecting plate is rotatably connected to the front side of the control plate. The extension plate is slidably connected to the top of the control box, and the bottom of the extension plate extends into the control box. The front side of the extension plate is rotatably connected to the top of the connecting plate.

[0013] As a preferred embodiment of this utility model, the top of the smoke exhaust fire damper body is rotatably connected to two auxiliary columns, the right side of the extension plate is fixedly connected to an auxiliary belt, and one end of the auxiliary belt is fixedly connected to the right side of the adjustment plate. The auxiliary belt is in contact with the outer wall of the two auxiliary columns. The left side of the adjustment plate is fixedly connected to a second spring, and one end of the second spring is fixedly connected to the right side of the control box.

[0014] As a preferred embodiment of this utility model, an electric actuator is fixedly connected to the left side of the control box, and a horizontal plate is fixedly connected to the output end of the electric actuator. A sliding groove is provided on the left side of the control box, and the right side of the horizontal plate passes through the sliding groove and is slidably connected to the inner wall of the sliding groove.

[0015] As a preferred embodiment of this utility model, two contact plates are symmetrically fixedly connected to the front side of the No. 1 control door, and two No. 1 springs are fixedly connected to the right side of the right contact plate, with one end of each No. 1 spring fixedly connected to the right inner wall of the smoke exhaust fire damper body.

[0016] As a preferred embodiment of this utility model, the rear inner wall of the control box is rotatably connected to two rotating columns, and the outer walls of the two rotating columns are fitted with the same transmission belt. The outer wall of the transmission belt is fixedly connected to the right side of the horizontal plate and the left side of the control plate.

[0017] As a preferred embodiment of this utility model, a guide plate is fixedly connected to the right side of the second control door, and the guide plate is in movable contact with the two contact plates.

[0018] Beneficial effects:

[0019] 1. The machine operates by controlling an electric actuator, which can push the horizontal plate to descend. As the horizontal plate moves, the transmission belt can be synchronously controlled to rotate. When the transmission belt rotates, it can assist in controlling the plate to rise.

[0020] 2. When the control panel moves, it can push the connecting plate to move, thereby controlling the extension plate to move to the left. As the extension plate moves, it can pull the auxiliary belt to move, thereby pulling the adjusting plate to move to the right. Through the movement of the adjusting plate, the adjusting plate can synchronously control the second control door to open, thereby venting smoke.

[0021] 3. The movement of the No. 2 control door can cause the guide plate to contact the contact plate, thereby pushing the contact plate to move, which in turn drives the No. 1 control door to move. By controlling the movement and opening of the No. 1 control door, the smoke exhaust is further increased, thereby achieving the effect of controlling the amount of smoke exhaust.

[0022] In this utility model: the electric actuator is controlled to work. The electric actuator can assist the second control door in opening to exhaust smoke. When it is necessary to increase the amount of smoke exhaust, the second control door can assist the first control door in opening, thereby achieving the effect of controlling the amount of smoke exhaust. Attached Figure Description

[0023] Figure 1 This is a three-dimensional sectional view of the present invention;

[0024] Figure 2 This is a three-dimensional side view of the present invention;

[0025] Figure 3 This is a three-dimensional structural diagram of the extension plate, auxiliary column, auxiliary belt and adjustment plate of this utility model;

[0026] Figure 4 This is an enlarged view of structure A of this utility model.

[0027] In the diagram: 1. Main body of smoke exhaust fire damper; 2. Control box; 3. Electric actuator; 4. Horizontal plate; 5. Rotating column; 6. Transmission belt; 7. Control panel; 8. Connecting plate; 9. Extension plate; 10. Auxiliary column; 11. Auxiliary belt; 12. Auxiliary plate; 13. Control door No. 1; 14. Contact plate; 15. Spring No. 1; 16. Control door No. 2; 17. Spring No. 2; 18. Guide plate; 19. Adjusting plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example

[0030] Reference Figures 1-4 A smoke exhaust fire damper with controllable smoke exhaust volume, comprising a smoke exhaust fire damper body 1;

[0031] Control box 2 is fixedly connected to the left side of the smoke exhaust fire damper body 1;

[0032] Auxiliary plate 12 is fixedly connected inside the smoke exhaust fire damper body 1;

[0033] Control door 13 is slidably connected to the front side of auxiliary plate 12.

[0034] Control door 16 is slidably connected to the front side of control door 13.

[0035] Adjustment plate 19 is fixedly connected to the front side of control door 16;

[0036] The control mechanism includes a control plate 7, a connecting plate 8, and an extension plate 9. The control plate 7 is slidably connected to the inner right side of the control box 2. The connecting plate 8 is rotatably connected to the front side of the control plate 7. The extension plate 9 is slidably connected to the top of the control box 2, and the bottom of the extension plate 9 extends into the control box 2. The front side of the extension plate 9 is rotatably connected to the top of the connecting plate 8.

[0037] With the above structure: by setting up the auxiliary plate 12, the auxiliary plate 12 can assist the first control door 13 to move laterally. At the same time, while the second control door 16 moves to facilitate smoke exhaust, it can guide the first control door 13 to move.

[0038] As a preferred embodiment of this utility model, the top of the smoke exhaust fire damper body 1 is rotatably connected to two auxiliary columns 10. An auxiliary belt 11 is fixedly connected to the right side of the extension plate 9, and one end of the auxiliary belt 11 is fixedly connected to the right side of the adjusting plate 19. The auxiliary belt 11 is in contact with the outer wall of the two auxiliary columns 10. A second spring 17 is fixedly connected to the left side of the adjusting plate 19, and one end of the second spring 17 is fixedly connected to the right side of the control box 2. When the extension plate 9 moves, the extension plate 9 can pull the auxiliary belt 11 to move, thereby pulling the adjusting plate 19 to move through the auxiliary belt 11. By setting the second spring 17, the second spring 17 has the effect of pulling the adjusting plate 19 back to its original position.

[0039] As a preferred embodiment of this utility model, an electric push rod 3 is fixedly connected to the left side of the control box 2, and a horizontal plate 4 is fixedly connected to the output end of the electric push rod 3. A sliding groove is provided on the left side of the control box 2, and the right side of the horizontal plate 4 passes through the sliding groove and is slidably connected to the inner wall of the sliding groove. By setting the electric push rod 3, the electric push rod 3 can control the horizontal plate 4 to move longitudinally.

[0040] As a preferred embodiment of this utility model, two contact plates 14 are symmetrically fixedly connected to the front side of the No. 1 control door 13, and two No. 1 springs 15 are fixedly connected to the right side of the right contact plate 14. One end of the two No. 1 springs 15 is fixedly connected to the inner wall of the right side of the smoke exhaust fire damper body 1. By setting the No. 1 springs 15, the No. 1 springs 15 can control the No. 1 control door 13 to return to its original position.

[0041] As a preferred embodiment of this utility model, two rotating columns 5 are rotatably connected to the rear inner wall of the control box 2, and the outer walls of the two rotating columns 5 are fitted with the same transmission belt 6. The outer wall of the transmission belt 6 is fixedly connected to the right side of the horizontal plate 4 and the left side of the control plate 7. When the horizontal plate 4 moves, the horizontal plate 4 can control the transmission belt 6 to rotate, thereby driving the control plate 7 to rise.

[0042] As a preferred embodiment of this utility model, a guide plate 18 is fixedly connected to the right side of the second control door 16, and the guide plate 18 is in active contact with two contact plates 14. When the guide plate 18 contacts the contact plates 14, the guide plate 18 can control the first control door 13 to move through the contact plates 14.

[0043] It should be noted that the specific model of electric actuator 3 to be used is to be selected by those skilled in the art, and the electric actuator 3 mentioned above is existing technology, so this solution will not elaborate on it.

[0044] The working principle of this utility model is as follows: In actual operation, the electric push rod 3 is controlled to move the horizontal plate 4 downward. As the horizontal plate 4 moves, the transmission belt 6 is simultaneously rotated. When the transmission belt 6 rotates, it assists the control plate 7 in rising. When the control plate 7 moves, it pushes the connecting plate 8 to move, thereby controlling the extension plate 9 to move to the left. As the extension plate 9 moves, it pulls the auxiliary belt 11 to move, which in turn pulls the adjusting plate 19 to move to the right. Through the movement of the adjusting plate 19, it can simultaneously control the second control door 16 to open, thereby venting smoke. At the same time, the movement of the second control door 16 can cause the guide plate 18 to contact the contact plate 14, thereby pushing the contact plate 14 to move, which in turn drives the first control door 13 to move. By controlling the movement and opening of the first control door 13, the smoke exhaust is further increased, thereby achieving the effect of controlling the amount of smoke exhaust.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A smoke exhaust fire damper with controllable smoke exhaust volume, characterized in that, include Main body of smoke exhaust fire damper (1); Control box (2), which is fixedly connected to the left side of the smoke exhaust fire damper body (1); Auxiliary plate (12), which is fixedly connected inside the smoke exhaust fire damper body (1); Control door No. 1 (13) is slidably connected to the front side of auxiliary plate (12); Second control door (16), which is slidably connected to the front side of first control door (13); Adjustment plate (19), which is fixedly connected to the front side of control door (16); The control mechanism includes a control plate (7), a connecting plate (8), and an extension plate (9). The control plate (7) is slidably connected to the inner right side of the control box (2). The connecting plate (8) is rotatably connected to the front side of the control plate (7). The extension plate (9) is slidably connected to the top of the control box (2), and the bottom of the extension plate (9) extends into the control box (2). The front side of the extension plate (9) is rotatably connected to the top of the connecting plate (8).

2. A smoke exhaust fire damper with controllable smoke exhaust volume according to claim 1, characterized in that, The top of the main body (1) of the smoke exhaust fire damper is rotatably connected to two auxiliary columns (10). An auxiliary belt (11) is fixedly connected to the right side of the extension plate (9), and one end of the auxiliary belt (11) is fixedly connected to the right side of the adjustment plate (19). The auxiliary belt (11) is in contact with the outer wall of the two auxiliary columns (10). A second spring (17) is fixedly connected to the left side of the adjustment plate (19), and one end of the second spring (17) is fixedly connected to the right side of the control box (2).

3. A smoke exhaust fire damper with controllable smoke exhaust volume according to claim 1, characterized in that, An electric actuator (3) is fixedly connected to the left side of the control box (2), and a horizontal plate (4) is fixedly connected to the output end of the electric actuator (3). A sliding groove is provided on the left side of the control box (2), and the right side of the horizontal plate (4) passes through the sliding groove and is slidably connected to the inner wall of the sliding groove.

4. A smoke exhaust fire damper with controllable smoke exhaust volume according to claim 1, characterized in that, Two contact plates (14) are symmetrically fixedly connected to the front side of the No. 1 control door (13). Two No. 1 springs (15) are fixedly connected to the right side of the right contact plate (14), and one end of the two No. 1 springs (15) is fixedly connected to the inner right side of the smoke exhaust fire damper body (1).

5. A smoke exhaust fire damper with controllable smoke exhaust volume according to claim 3, characterized in that, The rear inner wall of the control box (2) is rotatably connected to two rotating columns (5), and the outer walls of the two rotating columns (5) are fitted with the same transmission belt (6). The outer wall of the transmission belt (6) is fixedly connected to the right side of the horizontal plate (4) and the left side of the control plate (7).

6. A smoke exhaust fire damper with controllable smoke exhaust volume according to claim 4, characterized in that, A guide plate (18) is fixedly connected to the right side of the second control door (16), and the guide plate (18) is in contact with the two contact plates (14).

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