Air duct chamber exhaust fan single-leaf sealing door

Abstract

The utility model relates to the technical field of sealing doors, in particular to an air duct chamber exhaust fan single-leaf sealing door which comprises an installation frame, a pushing sealing door is installed in the installation frame in a clamped and embedded mode, and the pushing sealing door is connected to the installation frame through two symmetrically-arranged hinge buckles. The pushing and pressing sealing door comprises a supporting door plate, a pushing structure installed on the supporting door plate in a screwed mode, a pushing-in extrusion sealing block installed on the inner wall of the supporting door plate in a clamped and embedded mode, an inner ring tightening rubber pad installed on the supporting door plate and clamping and embedding fixing structures evenly arranged on the periphery of the supporting door plate. According to the air duct chamber exhaust fan, the air duct chamber exhaust fan can be subjected to multi-directional extrusion sealing of the contact wall by pushing and pressing the sealing door, so that environmental pollution and energy waste can be effectively avoided, and industrial requirements can be met.

Description

Technical Field

[0001] This utility model relates to a single-leaf sealed door for an exhaust fan in a duct room, and more particularly to a single-leaf sealed door for an exhaust fan in a duct room, belonging to the technical field of sealed doors. Background Technology

[0002] Installing sealing doors on exhaust fans can effectively prevent flue gas from leaking from the original flue gas duct to the clean flue gas duct, ensuring the system's tightness, avoiding environmental pollution and energy waste. It can also prevent water vapor in the flue gas from condensing into highly corrosive sulfurous acid, thus preventing corrosion of the flue gas duct and equipment. Furthermore, it can reduce resistance during gas emission, improve the efficiency of the exhaust fan, and ensure that the emitted gas meets environmental protection requirements. It also provides personnel protection, preventing the leakage of harmful gases and ensuring the safety of workers. Additionally, it helps maintain equipment performance and lifespan. In summary, installing sealing doors on exhaust fans is an indispensable part of industrial emission systems, considering environmental protection, energy saving, safety, and performance.

[0003] However, the existing single-leaf sealing doors of the duct exhaust fan all use simple sealing gaskets, which results in poor sealing performance. They cannot achieve multi-directional compression sealing of the duct exhaust fan against the wall, thus failing to effectively prevent environmental pollution and energy waste, and consequently failing to meet industrial needs.

[0004] Therefore, it is urgent to improve the single-leaf sealing door of the exhaust fan in the duct room to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a single-leaf sealing door for a duct exhaust fan. This device can press the sealing door to seal the duct exhaust fan in multiple directions against the wall, thereby effectively avoiding environmental pollution and energy waste, and thus meeting industrial needs.

[0006] To achieve the above objectives, the main technical solution adopted by this utility model includes: an installation frame, wherein a push-sealing door is fitted into the installation frame, the push-sealing door is connected to the installation frame by two symmetrically arranged hinges, the push-sealing door includes a supporting door panel, a push structure screwed onto the supporting door panel, a push-in squeezing sealing block fitted onto the inner wall of the supporting door panel, an inner ring tightening rubber pad fitted onto the supporting door panel, and a fitting fixing structure evenly arranged around the supporting door panel.

[0007] Preferably, the pushing structure includes a lead screw rotatably mounted on the support door panel, a drive turntable snapped into place at the head end of the lead screw, and a rotating block disposed at the end of the lead screw.

[0008] Preferably, the lead screw has a mounting block at its head end, the mounting block has a locking groove, and the drive turntable has a locking block that matches the locking groove.

[0009] Preferably, the push-in compression sealing block has a rotating groove that is compatible with the rotating block, and the drive turntable is fixedly mounted on the mounting block by bolts.

[0010] Preferably, the inner ring tightening rubber pad is provided with an installation frame, the support door panel has an installation groove, the installation frame is adapted to the installation groove, and the installation frame is fixedly installed on the installation groove by bolts.

[0011] Preferably, the hinged buckle includes a first set of connecting blocks, a rotating connecting arm hinged to the first set of connecting blocks, and a second set of connecting blocks hinged to the other end of the rotating connecting arm.

[0012] Preferably, the snap-fit ​​fixing structure includes a first storage groove formed on the four sides of the supporting door panel, an electric telescopic rod disposed in the first storage groove, an insert block disposed at the telescopic end of the electric telescopic rod, and a slot formed on the inner wall of the mounting frame that is adapted to the insert block.

[0013] Preferably, T-shaped sliders are provided on both sides of the insert block, and T-shaped grooves adapted to the T-shaped sliders are provided in both the first storage groove and the slot.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. This utility model can achieve multi-directional compression and sealing of the air duct exhaust fan by using the supporting door plate in the push-sealing door, the push structure, the push-in squeezing sealing block, the inner ring tightening rubber pad, and the snap-fit ​​fixing structure. This can effectively avoid environmental pollution and energy waste, and thus meet industrial needs. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a schematic half-sectional view of the entire utility model;

[0018] Figure 2 This is a static assembly diagram of the pushing structure and the push-in extrusion sealing block of this utility model;

[0019] Figure 3 This is a schematic diagram of the inner ring tightening rubber pad, supporting door panel, and snap-fit ​​fixing structure of this utility model.

[0020] Figure 4 This is a schematic diagram of the mounting frame structure of this utility model;

[0021] Figure 5 This is the overall front view of the present utility model.

[0022] In the diagram: 1. Mounting frame; 2. Push-to-seal door; 3. Hinge buckle; 4. Support door panel; 5. Push structure; 6. Push-in and squeeze sealing block; 7. Inner ring tightening rubber pad; 8. Clip-in fixing structure; 9. Lead screw; 10. Drive turntable; 11. Rotating block; 12. Mounting block; 13. Clip-in groove; 14. Clip-in block; 15. Rotating groove; 16. Mounting frame; 17. Mounting groove; 18. First set of connecting blocks; 19. Rotating connecting arm; 20. Second set of connecting blocks; 21. First storage groove; 22. Electric telescopic rod; 23. Insert block; 24. Slot; 25. T-shaped slider; 26. T-shaped slide groove. Detailed Implementation

[0023] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] like Figures 1-5As shown, the single-leaf sealing door of the duct chamber exhaust fan provided in this embodiment includes a mounting frame 1. A push-sealing door 2 is embedded in the mounting frame 1. The push-sealing door 2 is connected to the mounting frame 1 by two symmetrically arranged hinged buckles 3. The push-sealing door 2 includes a support door plate 4, a push structure 5 screwed onto the support door plate 4, a push-in squeezing sealing block 6 embedded on the inner wall of the support door plate 4, an inner ring tightening rubber pad 7 installed on the support door plate 4, and a snap-fit ​​fixing structure 8 evenly arranged around the support door plate 4. The mounting frame 1 facilitates the installation of the push-sealing door 2 on the duct chamber exhaust fan and also serves as a fixed connection. The push-sealing door 2 facilitates multi-directional squeezing and sealing of the duct chamber exhaust fan against the wall, thereby ensuring that flue gas will not leak from the original duct to the clean flue gas duct, thus providing a better connection. To effectively avoid environmental pollution and energy waste, the hinge buckle 3 facilitates the hinge of the push-sealed door 2 to one side of the mounting frame 1. The support door plate 4 provides fixed support and protection for the components and structures in the push-sealed door 2. The pushing structure 5 facilitates pushing the push-in squeezing sealing block 6 away from or near the support door plate 4. At the same time, the push-in squeezing sealing block 6 cooperates with the inner ring tightening rubber pad 7 to achieve multi-directional squeezing sealing of the push-sealed door 2. Because the inner ring size of the inner ring tightening rubber pad 7 is smaller than that of the push-in squeezing sealing block 6, when the push-in squeezing sealing block 6 is pushed into the inner ring tightening rubber pad 7, the inner ring tightening rubber pad 7 will be stretched open by force, which will squeeze the inner wall of the mounting frame 1, thereby making the sealing effect better. The snap-fit ​​fixing structure 8 facilitates the fixing and locking of the push-sealed door 2 to the mounting frame 1.

[0025] Furthermore, such as Figure 1 and Figure 2 As shown, the pushing structure 5 includes a lead screw 9 that is rotatably mounted on the support door panel 4, a drive turntable 10 that is snapped into the head end of the lead screw 9, and a rotating block 11 that is disposed at the end of the lead screw 9. The lead screw 9 facilitates the rotatable mounting of the pushing structure 5 on the support door panel 4, and at the same time facilitates the connection of the drive turntable 10 and the rotating block 11 together. Rotating the lead screw 9 facilitates the pushing and pressing of the sealing block 6. The drive turntable 10 facilitates the rotation of the lead screw 9, and the rotating block 11 facilitates the rotatable connection of the lead screw 9 to the pushing and pressing of the sealing block 6.

[0026] Furthermore, such as Figure 2 As shown, a mounting block 12 is provided at the head end of the lead screw 9. The mounting block 12 has a locking groove 13. The drive turntable 10 is provided with a locking block 14 that matches the locking groove 13. The mounting block 12 facilitates the installation of the drive turntable 10 on the lead screw 9. The locking groove 13 and the locking block 14 cooperate with each other to facilitate the locking of the drive turntable 10 onto the lead screw 9, thereby increasing the firmness of the connection.

[0027] Furthermore, such as Figure 2As shown, there is a rotating groove 15 on the push-in extrusion sealing block 6. The rotating groove 15 is adapted to the rotating block 11. The drive turntable 10 is fixedly installed on the mounting block 12 by bolts. The rotating groove 15 facilitates the cooperation with the rotating block 11, so that the lead screw 9 is rotatably connected to the push-in extrusion sealing block 6.

[0028] Furthermore, such as Figure 1 and Figure 3 As shown, an installation frame 16 is provided on the inner ring tightening rubber pad 7, and an installation groove 17 is provided on the supporting door panel 4. The installation frame 16 is adapted to the installation groove 17. The installation frame 16 is fixedly installed on the installation groove 17 by bolts. The installation frame 16 and the installation groove 17 cooperate with each other to facilitate the installation of the inner ring tightening rubber pad 7 on the supporting door panel 4.

[0029] Furthermore, such as Figure 1 and Figure 5 As shown, the hinge buckle 3 includes a first set of connecting blocks 18, a rotating connecting arm 19 hinged to the first set of connecting blocks 18, and a second set of connecting blocks 20 hinged to the other end of the rotating connecting arm 19. The first set of connecting blocks 18 facilitates hinged one end of the hinge buckle 3 to the mounting frame 1, and the second set of connecting blocks 20 facilitates hinged the other end of the hinge buckle 3 to the supporting door panel 4. The rotating connecting arm 19 facilitates connecting the first set of connecting blocks 18 and the second set of connecting blocks 20 together.

[0030] Furthermore, such as Figure 1 , Figure 3 as well as Figure 4 As shown, the snap-fit ​​fixing structure 8 includes a first storage groove 21 on the four sides of the supporting door panel 4, an electric telescopic rod 22 disposed in the first storage groove 21, an insert 23 disposed at the telescopic end of the electric telescopic rod 22, and a slot 24 on the inner wall of the mounting frame 1 that is adapted to the insert 23. The first storage groove 21 facilitates the storage of the electric telescopic rod 22 and the insert 23. The electric telescopic rod 22 facilitates the extension and retraction of the insert 23. The insert 23 and the slot 24 cooperate with each other to facilitate the snap-fit ​​installation of the push-sealing door 2 in the mounting frame 1.

[0031] Furthermore, such as Figure 3 and Figure 4 As shown, T-shaped sliders 25 are provided on both sides of the plug 23. T-shaped grooves 26 adapted to the T-shaped sliders 25 are provided in the first storage groove 21 and the slot 24. The T-shaped sliders 25 and the T-shaped grooves 26 cooperate with each other to facilitate the sliding of the plug 23 in the first storage groove 21 and the slot 24.

[0032] like Figures 1-5As shown, the principle of the single-leaf sealing door of the duct room exhaust fan provided in this embodiment is as follows: When using this device, the mounting frame 1 should first be welded and installed on the duct room exhaust fan, and then the push sealing door 2 should be hinged to the mounting frame 1 through the hinge buckle 3. Then, the drive turntable 10 is rotated, so that the rotating drive turntable 10 drives the screw 9 to rotate, thereby pushing the push-in squeezing sealing block 6 into the inner ring tightening rubber pad 7. At this time, the push-in squeezing sealing block 6 entering the inner ring tightening rubber pad 7 will squeeze the inner ring tightening rubber pad 7 in the reverse direction. At this time, the electric telescopic rod 22 begins to extend, so that the electric telescopic rod 22 pushes the output end plug 23 into the slot 24, which can push the sealing door 2 and lock it in the mounting frame 1.

[0033] If it is necessary to open the push-press sealing door 2, the electric telescopic rod 22 will retract, causing the output end plug 23 to be pulled out of the slot 24. This will unlock the push-press sealing door 2 from the mounting frame 1. Then, the drive turntable 10 will be rotated in the opposite direction, causing the screw 9 to rotate in the opposite direction, thereby pulling the push-in squeezing sealing block 6 out of the inner ring tightening rubber pad 7. At this time, the push-in squeezing sealing block 6 can be disengaged from the inner ring tightening rubber pad 7. Then, the push-press sealing door 2 can be pulled out of the mounting frame 1, and then the push-press sealing door 2 can be opened.

[0034] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0035] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0036] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A single-leaf sealed door for an exhaust fan in a duct room, comprising a mounting frame (1), characterized in that: A push-sealing door (2) is fitted into the mounting frame (1). The push-sealing door (2) is connected to the mounting frame (1) by two symmetrically arranged hinge buckles (3). The push-sealing door (2) includes a support door plate (4), a push structure (5) screwed onto the support door plate (4), a push-in squeezing sealing block (6) fitted onto the inner wall of the support door plate (4), an inner ring tightening rubber pad (7) fitted onto the support door plate (4), and a fitting fixing structure (8) evenly arranged around the support door plate (4).

2. The single-leaf sealed door for an exhaust fan in a duct room according to claim 1, characterized in that: The pushing structure (5) includes a lead screw (9) that is rotatably mounted on the support door plate (4), a drive turntable (10) that is snapped into the head end of the lead screw (9), and a rotating block (11) that is disposed at the end of the lead screw (9).

3. A single-leaf sealed door for an exhaust fan in a duct room according to claim 2, characterized in that: The lead screw (9) is provided with a mounting block (12) at its head end. The mounting block (12) is provided with a locking groove (13). The drive turntable (10) is provided with a locking block (14) that is compatible with the locking groove (13).

4. A single-leaf sealed door for an exhaust fan in a duct room according to claim 3, characterized in that: The push-in compression sealing block (6) has a rotating groove (15) that is compatible with the rotating block (11). The drive turntable (10) is fixedly mounted on the mounting block (12) by bolts.

5. A single-leaf sealed door for an exhaust fan in a duct room according to claim 1, characterized in that: The inner ring tightening rubber pad (7) is provided with an installation frame (16), and the support door panel (4) has an installation groove (17). The installation frame (16) is adapted to the installation groove (17), and the installation frame (16) is fixedly installed on the installation groove (17) by bolts.

6. A single-leaf sealed door for an exhaust fan in a duct room according to claim 1, characterized in that: The hinge buckle (3) includes a first set of connecting blocks (18), a rotating connecting arm (19) hinged to the first set of connecting blocks (18), and a second set of connecting blocks (20) hinged to the other end of the rotating connecting arm (19).

7. A single-leaf sealed door for an exhaust fan in a duct room according to claim 1, characterized in that: The snap-fit ​​fixing structure (8) includes a first storage groove (21) opened on the four sides of the support door panel (4), an electric telescopic rod (22) set in the first storage groove (21), an insert (23) set at the telescopic end of the electric telescopic rod (22), and a slot (24) opened on the inner wall of the mounting frame (1) that is adapted to the insert (23).

8. A single-leaf sealed door for an exhaust fan in a duct room according to claim 7, characterized in that: Both sides of the insert (23) are provided with T-shaped sliders (25), and the first storage groove (21) and the slot (24) are provided with T-shaped grooves (26) that are adapted to the T-shaped sliders (25).

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