CN214838469U - Fire damper with adjustable air volume - Google Patents
Fire damper with adjustable air volume Download PDFInfo
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- CN214838469U CN214838469U CN202121227998.0U CN202121227998U CN214838469U CN 214838469 U CN214838469 U CN 214838469U CN 202121227998 U CN202121227998 U CN 202121227998U CN 214838469 U CN214838469 U CN 214838469U
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- fire damper
- air volume
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- fire
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Abstract
The utility model belongs to the technical field of fire damper equipment, and relates to a fire damper capable of adjusting air volume, which is characterized by comprising a fire damper body, a blade assembly and an air volume adjusting mechanism; the upper end surface of the fire damper body is provided with a control mechanism; the bottom of the fire damper body is provided with an installation cavity in the horizontal direction, and a rack is movably arranged in the installation cavity; the blade subassembly sets up in the fire prevention valve is originally internal, and the blade subassembly links to each other with control mechanism, and control mechanism is used for controlling opening and shutting of blade subassembly, and the blade subassembly includes blade axle and blade, blade and blade axle fixed connection, and the both ends of blade axle rotate with the fire prevention valve body respectively and are connected. The utility model discloses an air regulation mechanism and stop device can adjust the amount of wind of fire prevention valve according to the demand, can carry out the accuracy to air flow under the condition such as no conflagration and adjust, make things convenient for the use of fire prevention valve to also can not be because the vibration of fire prevention valve or receive the wind-force to influence the blade subassembly and take place changing of angle and resume initial condition.
Description
Technical Field
The utility model belongs to the technical field of the fire prevention valve equipment, concretely relates to fire prevention valve of adjustable amount of wind.
Background
The fire damper is a valve type that is closed by the temperature control of the fusible alloy, using the action of gravity and the action of 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 discharge has no practical significance, the fire is brought in the flue gas at the moment, the valve is automatically closed to avoid the spread of the fire, and the traditional fire damper used in China generally adopts a fusible sheet type automatic closing and is interlocked with a fan, but has no function of adjusting the air volume, and cannot accurately adjust the air flow rate under the conditions of no fire and the like.
In the prior art, a wind shield is usually arranged in an air vent, and the wind shield is driven by an adjusting mechanism to rotate, so that the flux of air can be adjusted, and the use of a fire damper under the safe condition is facilitated, but the fire damper can vibrate due to the rotation of a fan when in use, so that the wind shield adjusted by the adjusting mechanism can be changed in angle in the vibration process or under the influence of wind force and is restored to the initial state, and the wind shield needs to be checked and adjusted for many times during ventilation, and is not practical; also can set up locking mechanical system among the prior art, lock it after adjusting the deep bead, but the deep bead after the locking needs the manual work to cancel locking when meetting the conflagration, then can automatic control deep bead close, but often can make the fire prevention valve lose effect because forget or too late to cancel the locking after taking place the conflagration. Therefore, a fire damper capable of adjusting air volume is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide a fire prevention valve of adjustable amount of wind, thereby it can solve the fire prevention valve of current adjustable flux when using because the vibration of fan leads to its vibration to make the deep bead resume initial condition and need artifical cancellation locking after the conflagration breaing out the problem, the utility model discloses a following technical scheme.
A fire damper capable of adjusting air volume is characterized by comprising a fire damper body, a blade assembly and an air volume adjusting mechanism;
the upper end surface of the fire damper body is provided with a control mechanism;
the bottom of the fire damper body is provided with an installation cavity in the horizontal direction, and a rack is movably arranged in the installation cavity;
the blade assembly is arranged in the fire damper body and is connected with the control mechanism, and the control mechanism is used for controlling the opening and closing of the blade assembly;
the blade assembly comprises a blade shaft and blades, the blades are fixedly connected with the blade shaft, two ends of the blade shaft are respectively rotatably connected with the fire damper body, one end of the blade shaft is connected with the control mechanism, the other end of the blade shaft penetrates through the installation cavity and is fixedly connected with gears, the gears are positioned in the installation cavity, and the gears are all meshed with the racks;
a side groove is formed in the right side of the fire damper body and communicated with the installation cavity, an installation plate is fixedly arranged on the side groove, guide holes are uniformly formed in the installation plate, limiting devices are arranged in the guide holes, and an electromagnet is embedded in the side groove on the left side of the limiting device;
the front end face and the rear end face of the side groove are provided with guide strips in the vertical direction, and the air quantity adjusting mechanism can move up and down along the guide strips.
Preferably, the air volume adjusting mechanism comprises an adjusting block and a front end face and a rear end face of the adjusting block, guide grooves are formed in the front end face and the rear end face of the adjusting block and matched with guide strips, a driving rod is fixedly arranged on the right side of the adjusting block, a stop block is fixedly arranged on the upper end face of the adjusting block, and the stop block is in contact with a limiting device.
Preferably, the end surface of the adjusting block close to the rack is an inclined end.
Preferably, one end of the rack facing the adjusting block is provided with an inclined end face matched with the inclined end face of the adjusting block.
Preferably, stop device includes the carriage release lever, and the carriage release lever can be at guiding hole round trip movement, and the fixed stopper that is provided with in one end that the electro-magnet was kept away from to the carriage release lever is provided with the spring between stopper and the mounting panel.
Preferably, the moving rod is made of a ferrous material.
Preferably, the electromagnet is in signal connection with the control mechanism.
Preferably, the guide hole is parallel to the horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that:
one, the utility model discloses fire prevention valve of adjustable amount of wind can adjust the amount of wind of fire prevention valve through air regulation mechanism and stop device as required, can carry out the accuracy regulation to air flow under the condition such as no conflagration, makes things convenient for the use of fire prevention valve to also can not be because the vibration of fire prevention valve or receive the wind-force to influence the blade subassembly and take place changing of angle and resume initial condition.
Two, the utility model discloses fire prevention valve of adjustable amount of wind, through the electro-magnet that corresponds with stop device, and electro-magnet and control mechanism signal connection's design, when meetting the conflagration, the signal that control mechanism transmitted will be received to the electro-magnet to must the electricity, thereby make stop device not carry on spacingly to air regulation mechanism, just so do not need artifical cancellation locking just can close fire prevention valve, convenient to use, safe and reliable more.
Thirdly, the utility model discloses fire prevention valve of adjustable amount of wind, the terminal surface relative with the rack through the regulating block is the design of tipper, can be when adjusting air regulation mechanism better drive rack remove, makes the blade subassembly rotate corresponding angle.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a schematic view of the present invention when adjusting the air volume;
fig. 3 is a schematic view of the three-dimensional structure of the air volume adjusting mechanism of the present invention;
fig. 4 is a schematic structural diagram of the mounting plate and the limiting device of the present invention.
In the figure: 1. the fire-proof valve comprises a fire-proof valve body, 1-1 parts of side grooves, 1-2 parts of installation cavities, 2 parts of blade assemblies, 2-1 parts of blade shafts, 2-2 parts of blades, 3 parts of control mechanisms, 4 parts of gears, 5 parts of racks, 6 parts of guide strips, 7 parts of air volume adjusting mechanisms, 7-1 parts of adjusting blocks, 7-1-1 parts of guide grooves, 7-2 parts of driving rods, 7-3 parts of stop blocks, 8 parts of installation plates, 8-1 parts of guide holes, 9 parts of limiting devices, 9-1 parts of moving rods, 9-2 parts of springs, 9-3 parts of limiting blocks, 10 parts of electromagnets.
Detailed Description
Referring to fig. 1 to 4, an adjustable air volume fire damper is shown, which is a fire damper capable of adjusting air volume and is locked without manually unlocking when a fire occurs. Concretely, fire prevention valve of adjustable amount of wind, including fire prevention valve body 1, blade subassembly 2 and air regulation mechanism 7.
The upper end face of the fire damper body 1 is provided with a control mechanism 3, the bottom of the fire damper body 1 is provided with an installation cavity 1-2 in the horizontal direction, and a rack 5 is movably arranged in the installation cavity 1-2.
The blade assembly 2 is arranged in the fire damper body 1, the blade assembly 2 is connected with the control mechanism 3, the control mechanism 3 is used for controlling opening and closing of the blade assembly 2, the blade assembly 2 comprises a blade shaft 2-1 and blades 2-2, the blades 2-2 are fixedly connected with the blade shaft 2-1, two ends of the blade shaft 2-1 are respectively rotatably connected with the fire damper body 1, one end of the blade shaft 2-1 is connected with the control mechanism 3, the other end of the blade shaft 2-1 penetrates through the installation cavity 1-2 and is fixedly connected with a gear 4, the gear 4 is located in the installation cavity 1-2, and the gear 4 is meshed with the rack 5.
The right side of the fire-proof valve body 1 is provided with a side groove 1-1, the side groove 1-1 is communicated with a mounting cavity 1-2, the side groove 1-1 is fixedly provided with a mounting plate 8, the mounting plate 8 is uniformly provided with guide holes 8-1, the guide holes 8-1 are parallel to a horizontal plane, the guide holes 8-1 are internally provided with limiting devices 9, the left side of the side groove 1-1, which is positioned on the limiting device 9, is embedded with an electromagnet 10, the electromagnet 10 is in signal connection with the control mechanism 3, so that the electromagnet 10 receives a signal transmitted by the control mechanism 3 when a fire disaster occurs and is powered on, the limiting device 9 is controlled by the power, and the limiting device 9 does not limit the air volume adjusting mechanism 7.
The limiting device 9 comprises a moving rod 9-1, the moving rod 9-1 is made of iron materials, the moving rod 9-1 can move back and forth in a guide hole 8-1, a limiting block 9-3 is fixedly arranged at one end, far away from the electromagnet 10, of the moving rod 9-1, a spring 9-2 is arranged between the limiting block 9-3 and the mounting plate 8, and the spring 9-2 is in a compressed state in an initial state.
The front end face and the rear end face of the side groove 1-1 are provided with guide strips 6 in the vertical direction, the air volume adjusting mechanism 7 can move up and down along the guide strips 6, the air volume adjusting mechanism 7 comprises an adjusting block 7-1, the front end face and the rear end face of the adjusting block 7-1 are provided with guide grooves 7-1-1, the guide grooves 7-1-1 are matched with the guide strips 6, the right side of the adjusting block 7-1 is fixedly provided with a driving rod 7-2, the upper end face of the adjusting block 7-1 is fixedly provided with a stop dog 7-3, and the stop dog 7-3 is in contact with a limiting device 9.
The end face of the adjusting block 7-1, which is close to the rack 5, is an inclined end, and one end of the rack 5, which faces the adjusting block 7-1, is provided with an inclined end face matched with the inclined end face of the adjusting block 7-1, so that the rack 5 can be better driven to move when the air volume adjusting mechanism 7 is adjusted, and the blade assembly 2 can rotate by a corresponding angle.
When the air volume is adjusted, the adjusting block 7-1 is driven to move downwards by driving the driving rod 7-2, so that the adjusting block 7-1 drives the rack 5 to move leftwards, the gear 4 rotates by a certain angle, and the blade assembly 2 rotates by a certain angle, so that the fire damper can meet the ventilation requirement when no fire occurs, at the moment, the stop block 7-3 also moves downwards due to the downward movement of the adjusting block 7-1, the moving rod 9-1 on the limiting device 9 drives the stop block 9-3 to move rightwards under the action of the spring 9-2, so that the stop block 7-3 is limited, the blade assembly 2 cannot change the angle to be restored to the initial state due to the vibration of the fire damper or the influence of wind force, and when a fire occurs, the electromagnet 10 in signal connection with the control mechanism 3 is powered on, therefore, the moving rod 9-1 made of iron material moves leftwards under the action of the electromagnet 10, so that the limit of the stop 7-3 is cancelled, and under the action of the control mechanism 3, the blade assembly 2 cannot be influenced by the air volume adjusting mechanism 7 in the closing process and can drive the air volume adjusting mechanism 7 to reset together.
Claims (8)
1. A fire damper capable of adjusting air volume is characterized by comprising a fire damper body (1), a blade assembly (2) and an air volume adjusting mechanism (7);
the upper end surface of the fire damper body (1) is provided with a control mechanism (3);
the bottom of the fire damper body (1) is provided with an installation cavity (1-2) in the horizontal direction, and a rack (5) is movably arranged in the installation cavity (1-2);
the blade assembly (2) is arranged in the fire damper body (1), the blade assembly (2) is connected with the control mechanism (3), and the control mechanism (3) is used for controlling the opening and closing of the blade assembly (2);
the blade assembly (2) comprises a blade shaft (2-1) and blades (2-2), the blades (2-2) are fixedly connected with the blade shaft (2-1), two ends of the blade shaft (2-1) are respectively rotatably connected with the fire damper body (1), one end of the blade shaft (2-1) is connected with the control mechanism (3), the other end of the blade shaft (2-1) penetrates through the installation cavity (1-2) and is fixedly connected with a gear (4), the gear (4) is located in the installation cavity (1-2), and the gear (4) is meshed with the rack (5);
a side groove (1-1) is formed in the right side of the fire damper body (1), the side groove (1-1) is communicated with the installation cavity (1-2), an installation plate (8) is fixedly arranged on the side groove (1-1), guide holes (8-1) are uniformly formed in the installation plate (8), a limiting device (9) is arranged in each guide hole (8-1), and an electromagnet (10) is embedded in the side groove (1-1) and positioned on the left side of the limiting device (9);
the front end face and the rear end face of the side groove (1-1) are provided with guide strips (6) in the vertical direction, and the air quantity adjusting mechanism (7) can move up and down along the guide strips (6).
2. The fire damper with adjustable air volume according to claim 1, characterized in that: the air volume adjusting mechanism (7) comprises an adjusting block (7-1), guide grooves (7-1-1) are formed in the front end face and the rear end face of the adjusting block (7-1), the guide grooves (7-1-1) are matched with guide strips (6), a driving rod (7-2) is fixedly arranged on the right side of the adjusting block (7-1), a stop block (7-3) is fixedly arranged on the upper end face of the adjusting block (7-1), and the stop block (7-3) is in contact with a limiting device (9).
3. The fire damper with adjustable air volume according to claim 2, characterized in that: the end surface of the adjusting block (7-1) close to the rack (5) is an inclined end.
4. The fire damper with adjustable air volume according to claim 3, wherein: one end of the rack (5) facing the adjusting block (7-1) is provided with an inclined end face matched with the inclined end face of the adjusting block (7-1).
5. The fire damper with adjustable air volume according to claim 1, characterized in that: the limiting device (9) comprises a moving rod (9-1), the moving rod (9-1) can move back and forth in the guide hole (8-1), a limiting block (9-3) is fixedly arranged at one end, far away from the electromagnet (10), of the moving rod (9-1), and a spring (9-2) is arranged between the limiting block (9-3) and the mounting plate (8).
6. The fire damper with adjustable air volume according to claim 5, wherein: the moving rod (9-1) is made of iron material.
7. The fire damper with adjustable air volume according to claim 1, characterized in that: the electromagnet (10) is in signal connection with the control mechanism (3).
8. The fire damper with adjustable air volume according to claim 1, characterized in that: the guide hole (8-1) is parallel to the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227998.0U CN214838469U (en) | 2021-06-02 | 2021-06-02 | Fire damper with adjustable air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227998.0U CN214838469U (en) | 2021-06-02 | 2021-06-02 | Fire damper with adjustable air volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838469U true CN214838469U (en) | 2021-11-23 |
Family
ID=78800290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121227998.0U Active CN214838469U (en) | 2021-06-02 | 2021-06-02 | Fire damper with adjustable air volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838469U (en) |
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2021
- 2021-06-02 CN CN202121227998.0U patent/CN214838469U/en active Active
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