Flue rack valve

Abstract

The utility model relates to the technical field of flue ventilation control, and provides a flue rack valve which comprises a fixing frame, a baffle plate slidably connected in the fixing frame, a top plate fixedly connected with the top end of the fixing frame, and an adjusting mechanism which comprises a sliding plate slidably connected with the fixing frame, the sliding plate is fixedly connected with the baffle plate, and the top plate is fixedly connected with the top plate. A gear set is installed on the sliding plate, a motor is installed on the gear set, two rotating rods are installed on the gear set, gears are connected to the rotating rods, two fixing plates are fixedly connected to the fixing frame, racks are fixedly connected to the fixing plates, and the gears are meshed with the racks; according to the device, the gear set is driven by the motor, the sliding plate and the baffle are driven by meshing of the gear and the rack, the motor can be accurately regulated and controlled according to the actual situation, the opening degree and the ventilation quantity of the baffle can be accurately adjusted, the precision is far better than that of a traditional mode, and during operation, the heat dissipation mechanism works synchronously, the draught fan blows air to dissipate heat, equipment stability is guaranteed, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of flue ventilation control technology, specifically to a flue rack and pinion valve. Background Technology

[0002] In the field of flue ventilation control, existing technologies mostly employ electro-hydraulic transmission to control valves. This is primarily used for regulating flue ventilation volume, driving valve action through pressure changes in the hydraulic system. Structurally, it generally includes components such as a hydraulic cylinder, hydraulic lines, and a valve body. Its working principle is to use the pressure of hydraulic oil to push the piston in the cylinder, thereby opening or closing the valve and regulating the flue ventilation volume.

[0003] However, this existing technology has many problems and drawbacks. First, due to the use of electro-hydraulic transmission, hydraulic oil leakage is prone to occur. This is because, during long-term use, the sealing performance of pipe connections and cylinder seals in the hydraulic system gradually declines due to factors such as pressure fluctuations, temperature changes, and mechanical vibrations, leading to hydraulic oil leakage. Hydraulic oil leakage not only causes environmental pollution and increases maintenance costs, but also makes the hydraulic system pressure unstable, affecting the normal operation of valves and consequently affecting the precise control of flue ventilation. Second, the cylinders in existing valves cannot withstand high temperatures. In the flue environment, the temperature is high. When ordinary cylinders operate at high temperatures, the performance of their internal sealing materials and hydraulic oil will be affected. The sealing materials are prone to aging and deformation, leading to a decline in sealing performance and further exacerbating the risk of hydraulic oil leakage. At the same time, high temperatures also cause changes in the viscosity of the hydraulic oil, affecting the transmission efficiency of the hydraulic system, resulting in sluggish valve operation and an inability to adjust the ventilation volume in a timely and accurate manner. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, this utility model provides a flue rack valve to solve the problems of the prior art mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a flue rack valve, including a fixing frame, a baffle slidably connected inside the fixing frame, and a top plate fixedly connected to the top of the fixing frame, and further comprising:

[0008] An adjustment mechanism includes a sliding plate, which is slidably connected to the fixed frame and fixedly connected to the baffle. A gear set is installed on the sliding plate, a motor is installed on the gear set, two rotating rods are installed on the gear set, and gears are connected to the rotating rods. Two fixed plates are fixedly connected to the fixed frame, and racks are fixedly connected to the fixed plates. The gears mesh with the racks.

[0009] A heat dissipation mechanism is connected to the slide plate.

[0010] Optionally, the heat dissipation mechanism includes a protective cover, which is fixedly connected to the slide plate. The two rotating rods are rotatably connected to the protective cover. A fan is installed on the protective cover, and the output end of the fan is connected to the protective cover. An air inlet is provided on the protective cover.

[0011] Optionally, two first sliders are slidably connected to the fixing frame, and the first sliders are rotatably connected to the gear.

[0012] Optionally, the top of the skateboard is fixedly connected to multiple pillars, the top of the multiple pillars is fixedly connected to a limiting plate, and both ends of the limiting plate are fixedly connected to a second slider, which is slidably connected to the fixing frame.

[0013] Optionally, a filter screen is connected to the air inlet.

[0014] Optionally, a support block is rotatably connected to the two rotating rods, and the support block is fixedly connected to the slide plate.

[0015] (III) Beneficial Effects

[0016] In summary, this utility model has at least one of the following beneficial technical effects:

[0017] 1. This flue rack and pinion valve uses a motor-driven gear set. The meshing of the gear and rack drives the sliding plate and baffle to slide. According to actual needs, the rotation angle or time of the motor can be precisely controlled to adjust the opening of the baffle, thereby precisely controlling the ventilation volume of the flue. Compared with the traditional method, the accuracy of ventilation volume adjustment is significantly improved.

[0018] 2. When the flue gear valve is in operation, the heat dissipation mechanism works simultaneously. The fan blows air into the protective cover and uses the air inlet to draw in cold air to remove the heat generated by the operation of the gear set and other components. This effectively prevents the components from being affected by overheating, ensures stable operation of the equipment, reduces the probability of equipment failure, and extends the service life of the equipment. Attached Figure Description

[0019] Figure 1 This is a cross-sectional structural diagram of the disassembled present invention;

[0020] Figure 2 This utility model Figure 1 A magnified schematic diagram of the partial structure at point A in the middle;

[0021] Figure 3 This utility model Figure 1 A magnified schematic diagram of the local structure at point B;

[0022] Figure 4 This is a schematic diagram of the overall structure of this utility model.

[0023] In the diagram: 1. Fixing frame; 2. Baffle; 3. Top plate; 4. Slide plate; 5. Gear set; 6. Motor; 7. Rotating rod; 8. Gear; 9. Fixing plate; 10. Rack; 11. Protective cover; 12. Fan; 13. First slider; 14. Support column; 15. Limiting plate; 16. Second slider; 17. Filter screen; 18. Support block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Reference Figures 1-4A flue gas rack valve includes a fixed frame 1, a baffle 2 slidably connected inside the fixed frame 1, and a top plate 3 fixedly connected to the top of the fixed frame 1. It also includes an adjusting mechanism, comprising a sliding plate 4 slidably connected to the fixed frame 1 and fixedly connected to the baffle 2. A gear set 5 is mounted on the sliding plate 4, a motor 6 is mounted on the gear set 5, and two rotating rods 7 are mounted on the gear set 5. Gears 8 are connected to the rotating rods 7. Two fixed plates 9 are fixedly connected to the fixed frame 1, and racks 10 are fixedly connected to the fixed plates 9. Gears 8 mesh with racks 10. The motor 6 drives the gear set 5, and the meshing of gears 8 and racks 10 allows for precise and stable control of the sliding plate 4 and baffle 2, thereby accurately adjusting the flue gas opening. The valve is easy to operate and has high control precision. Two first sliders 13 are slidably connected to the fixed frame 1. The first slider 13 is rotatably connected to the gear 8. It not only ensures that the gear 8 can rotate smoothly, but also provides auxiliary support for the gear 8, thereby enhancing the stability of the entire adjustment mechanism. Multiple support columns 14 are fixedly connected to the top of the slide plate 4. Limiting plates 15 are fixedly connected to the top of the multiple support columns 14. Second sliders 16 are fixedly connected to both ends of the limiting plates 15. The second sliders 16 are slidably connected to the fixed frame 1. The limiting plates 15 are slidably connected to the fixed frame 1 through the second sliders 16. Together with the support columns 14, they can limit the sliding range of the slide plate 4, prevent the slide plate 4 from sliding excessively, and ensure the safety and stability of the valve operation. Support blocks 18 are rotatably connected to the two rotating rods 7. The support blocks 18 are fixedly connected to the slide plate 4. The support blocks 18 provide additional support for the rotating rods 7, reduce the shaking of the rotating rods 7 during rotation, and improve the smoothness of the operation of the rotating rods 7 and the entire adjustment mechanism.

[0027] It should also be noted that the heat dissipation mechanism, connected to the slide plate 4, provides a heat dissipation path for components that may generate heat during valve operation, ensuring stable equipment operation and extending equipment lifespan. The heat dissipation mechanism includes a protective cover 11, which is fixedly connected to the slide plate 4. Two rotating rods 7 are rotatably connected to the protective cover 11. A fan 12 is installed on the protective cover 11, and the output end of the fan 12 is connected to the protective cover 11. An air inlet is provided on the protective cover 11. The protective cover 11 can protect the internal rotating components. The fan 12 blows air into the protective cover 11 and draws in external cold air through the air inlet, achieving effective heat dissipation for components such as the rotating rods 7 and improving heat dissipation efficiency. A filter screen 17 is connected to the air inlet, which can filter the air entering the air inlet, preventing dust and other impurities from entering the interior of the protective cover 11, avoiding wear on internal components, and further improving the reliability of the equipment.

[0028] In summary, the working principle and process of this flue rack and pinion valve are as follows: First, the mounting bracket 1 is installed in a suitable position in the flue, ensuring it is securely installed and that the connection between the flue and the valve is well-sealed to prevent gas leakage. When the flue needs to be opened, the motor 6 is started. The motor 6 drives the gear set 5 to rotate, which in turn drives the two rotating rods 7 to rotate. The gears 8 on the rotating rods 7 rotate together with the rods. Since the gears 8 mesh with the rack 10 on the mounting plate 9, the rotation of the gears 8 causes the sliding plate 4 to slide along the mounting bracket 1. The sliding plate 4 is fixedly connected to the baffle 2, thereby gradually opening the flue through the baffle 2. According to actual needs, the opening of the baffle 2 can be precisely adjusted by controlling the rotation angle or time of the motor 6, thereby controlling the ventilation volume of the flue. The motor 6 drives the gear set 5, and by using the meshing of the gear 8 and the rack 10, the sliding of the slide plate 4 and the baffle 2 can be precisely and stably controlled, so as to achieve precise adjustment of the flue opening. During the operation of the valve, the heat dissipation mechanism starts to work, the fan 12 starts, and blows air into the protective cover 11. The air inlet on the protective cover 11 draws in external cold air, and the cold air flows in the protective cover 11, carrying away the heat generated by the gear set 5 and other components during operation, so as to achieve effective heat dissipation and ensure stable operation of the equipment.

[0029] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A flue gas rack valve, comprising a mounting bracket (1), characterized in that: The fixing frame (1) is slidably connected to a baffle (2), and the top of the fixing frame (1) is fixedly connected to a top plate (3), and also includes: The adjustment mechanism includes a slide plate (4), which is slidably connected to the fixed frame (1) and fixedly connected to the baffle (2). A gear set (5) is installed on the slide plate (4), a motor (6) is installed on the gear set (5), two rotating rods (7) are installed on the gear set (5), and a gear (8) is connected to the rotating rods (7). Two fixed plates (9) are fixedly connected to the fixed frame (1), and a rack (10) is fixedly connected to the fixed plate (9). The gear (8) meshes with the rack (10). A heat dissipation mechanism is connected to the slide plate (4).

2. The flue gas rack valve according to claim 1, characterized in that: The heat dissipation mechanism includes a protective cover (11), which is fixedly connected to the slide plate (4). Two rotating rods (7) are rotatably connected to the protective cover (11). A fan (12) is installed on the protective cover (11), and the output end of the fan (12) is connected to the protective cover (11). An air inlet is provided on the protective cover (11).

3. A flue gas rack valve according to claim 2, characterized in that: Two first sliders (13) are slidably connected on the fixed frame (1), and the first sliders (13) are rotatably connected to the gear (8).

4. A flue gas rack valve according to claim 3, characterized in that: The top of the slide plate (4) is fixedly connected to multiple pillars (14), and the top of the multiple pillars (14) is fixedly connected to a limiting plate (15). Both ends of the limiting plate (15) are fixedly connected to a second slider (16), and the second slider (16) is slidably connected to the fixing frame (1).

5. A flue gas rack valve according to claim 4, characterized in that: A filter screen (17) is connected to the air inlet.

6. A flue gas rack valve according to claim 5, characterized in that: Support blocks (18) are rotatably connected to the two rotating rods (7), and the support blocks (18) are fixedly connected to the slide plate (4).

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