A honeycomb multi-stage filter core for fire damper

Abstract

The utility model relates to fire -fighting supplies technical field discloses a honeycomb multistage filter core for fire damper, including first shell, the outside of first shell is provided with second shell, the inside of first shell and second shell all is provided with multieffect filter screen, the inside fixedly connected with support plate of second shell, the bottom fixedly connected with L shape sliding block of multieffect filter screen, the inside of L shape sliding block is connected in support plate outside slidingly, the outside fixedly connected with first connecting block of first shell, the outside fixedly connected with second connecting block of second shell, the inside of first connecting block is provided with fixed component, the fixed component includes screw rod. In the utility model, by screwing screw rod makes it separate first connecting block and the screw groove inside second connecting block, then pulls the handle and opens first shell, finally takes out multieffect filter screen, thereby can replace multieffect filter screen, reaches the effect that reduces maintenance cost, reduces resource waste.

Description

Technical Field

[0001] This utility model relates to the field of fire protection equipment technology, and in particular to a honeycomb multi-stage filter core for fire dampers. Background Technology

[0002] Fire dampers are installed on the supply and return air ducts of ventilation and air conditioning systems. They are normally open, but automatically close when the temperature of the smoke in the duct reaches a set value, thus preventing the spread of fire through the duct. With the improvement of building fire safety standards, the increasing demand for air purification in ventilation systems, and the actual need to filter pollutants of different particle sizes in smoke in fire scenarios, traditional fire dampers can only achieve smoke and fire isolation, but cannot effectively filter smoke. Therefore, a honeycomb multi-stage filter core for fire dampers is needed.

[0003] Traditional multi-stage filter cartridges are usually designed as a single unit, with each layer of the internal filter screen being non-removable. When one layer becomes clogged due to the interception of large particles, the remaining undamaged filter layers also need to be replaced along with the entire filter cartridge, resulting in a large amount of undamaged filter media being wasted. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a honeycomb multi-stage filter core for fire dampers, which aims to improve the problem that traditional multi-stage filter cores are usually integrated designs, and the internal filter layers cannot be disassembled, resulting in the waste of a large amount of undamaged filter material.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A honeycomb-shaped multi-stage filter core for a fire damper includes a first outer shell, a second outer shell disposed outside the first outer shell, and a multi-effect filter screen disposed inside both the first and second outer shells. A support plate is fixedly connected inside the second outer shell, and an L-shaped slider is fixedly connected to the bottom end of the multi-effect filter screen. The L-shaped slider is slidably connected to the outside of the support plate. A first connecting block is fixedly connected to the outside of the first outer shell, and a second connecting block is fixedly connected to the outside of the second outer shell. A fixing component is disposed inside the first connecting block.

[0006] The above technical solution provides a basic installation and protection space with a first and second outer shell. A multi-effect filter is installed inside to achieve multi-stage filtration of smoke and intercept pollutants of different particle sizes. The support plate and the L-shaped slider slide together to support the multi-effect filter. The first connecting block, the second connecting block and the fixing components work together to achieve fixation, thereby reducing maintenance costs and minimizing resource waste.

[0007] Preferably, the fixing component includes a screw, the outside of which is disposed inside the first connecting block, the first connecting block having a threaded groove inside, and the external thread of the screw being threaded into the inside of the threaded groove.

[0008] Preferably, the fixing component further includes a card holder, the card holder is fixedly connected to the outside of the first connecting block, the second connecting block is provided with a first spring, both ends of the first spring are provided with T-shaped plates, the outside of the T-shaped plates are fixedly connected with a sliding block and a buckle, the inside of the second connecting block is provided with a sliding groove, and the inside of the card holder is provided with a card slot.

[0009] Preferably, the outer part of the card holder is disposed inside the second connecting block, the outer part of the T-shaped plate is slidably connected to the inner part of the second connecting block, the outer part of the sliding block is slidably connected to the inner part of the sliding groove, and the outer part of the buckle is engaged with the inner part of the card groove.

[0010] Preferably, a handle is fixedly connected to the outside of the first housing, and hinges are fixedly connected to the outside of both the first housing and the second housing.

[0011] Preferably, the top of the first outer shell and the second outer shell are provided with a cover plate, the bottom of the cover plate is fixedly connected with a positioning post, the interior of the first outer shell and the second outer shell are both provided with positioning grooves, and the exterior of the second outer shell is provided with an installation component.

[0012] Preferably, the mounting assembly includes a support cylinder, the outside of which is fixedly connected to the inside of the second housing, a second spring is provided inside the support cylinder, a sliding plate is provided at one end of the second spring, a pull rod is fixedly connected at one end of the sliding plate, a locking block is fixedly connected at the other end of the sliding plate, and a limit groove is formed inside the positioning post.

[0013] Preferably, the outer surfaces of the slide plate, pull rod, and locking block are all slidably connected to the inside of the support cylinder, and the outer surface of the locking block is engaged with the inside of the limiting groove.

[0014] This utility model has the following beneficial effects: 1. In this utility model, by turning the screw to disengage it from the threaded groove inside the first connecting block and the second connecting block, or by pressing the T-shaped plate to compress the first spring and drive the sliding block to slide along the groove, the buckle is moved, thereby disengaging the buckle from the groove. Then, by pulling the handle to rotate the first housing around the hinge to open the first housing, the multi-effect filter screen can be taken out and the L-shaped slider can slide out from the support plate, thereby allowing the multi-effect filter screen to be replaced, achieving the effect of reducing maintenance costs and reducing resource waste.

[0015] 2. In this utility model, by pulling the lever, the slide plate is driven to slide and compress the second spring, causing the locking block to move. Then, the positioning post of the cover plate is inserted into the positioning groove, and the lever is released, so that the second spring unfolds and pushes the slide plate to slide. At the same time, the slide plate drives the locking block to move, so that the locking block is locked into the limiting groove, thereby fixing the cover plate and preventing airborne dust, fallen leaves, and insects from entering the filter layer, thus achieving the effect of protecting the filter material and extending the service life of the core. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a honeycomb multi-stage filter core for a fire damper proposed in this utility model; Figure 2 This is a partial structural diagram of a multi-effect filter screen for a honeycomb-shaped multi-stage filter core for a fire damper, as proposed in this utility model. Figure 3 This is a partial structural diagram of an L-shaped slider for a honeycomb multi-stage filter core for a fire damper proposed in this utility model. Figure 4 This is a partial structural diagram of the screw of a honeycomb multi-stage filter core for a fire damper proposed in this utility model; Figure 5 This is a partial structural diagram of the first connecting block of a honeycomb-shaped multi-stage filter core for a fire damper proposed in this utility model. Figure 6 This is a partial structural diagram of the first spring of a honeycomb-shaped multi-stage filter core for a fire damper proposed in this utility model. Figure 7 This is a partial structural diagram of the mounting bracket for a honeycomb multi-stage filter core for a fire damper proposed in this utility model; Figure 8 This is a partial structural diagram of the cover plate of a honeycomb multi-stage filter core for a fire damper proposed in this utility model; Figure 9 This is a partial structural diagram of the second spring of a honeycomb-shaped multi-stage filter core for a fire damper proposed in this utility model.

[0017] Legend: 1. First outer shell; 2. Second outer shell; 3. Multi-effect filter screen; 4. Support plate; 5. L-shaped slider; 6. First connecting block; 7. Second connecting block; 8. Fixing assembly; 81. Screw; 82. Threaded groove; 83. Card seat; 84. First spring; 85. T-shaped plate; 86. Slide groove; 87. Sliding block; 88. Buckle; 89. Card slot; 9. Handle; 10. Hinge; 11. Cover plate; 12. Positioning post; 13. Positioning groove; 14. Mounting assembly; 141. Support cylinder; 142. Second spring; 143. Slide plate; 144. Pull rod; 145. Card block; 146. Limiting groove. Detailed Implementation

[0018] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Example

[0019] Reference Figures 1-3 An embodiment of this utility model provides a honeycomb-shaped multi-stage filter core for a fire damper, comprising a first outer shell 1, a second outer shell 2 disposed outside the first outer shell 1, a multi-effect filter screen 3 disposed inside both the first outer shell 1 and the second outer shell 2, a support plate 4 fixedly connected inside the second outer shell 2, an L-shaped slider 5 fixedly connected to the bottom end of the multi-effect filter screen 3, the L-shaped slider 5 being slidably connected to the outside of the support plate 4, a first connecting block 6 fixedly connected to the outside of the first outer shell 1, a second connecting block 7 fixedly connected to the outside of the second outer shell 2, and a fixing component 8 disposed inside the first connecting block 6; Specifically, in this embodiment, the first outer shell 1 and the second outer shell 2 provide basic installation and protection space for the internal multi-effect filter 3. Multiple multi-effect filters 3 are installed inside the first outer shell 1 and the second outer shell 2 to perform multi-stage filtration of smoke passing through the fire damper and intercept pollutants of different particle sizes. The support plate 4 provides support for the multi-effect filter 3. The L-shaped slider 5 at the bottom of the multi-effect filter 3 can slide inside the support plate 4. The first connecting block 6 and the second connecting block 7 cooperate with each other to realize the connection between the first outer shell 1 and the second outer shell 2. The fixing component 8 is used to fix the first connecting block 6 and the second connecting block 7.

[0020] Reference Figure 4 The fixing component 8 includes a screw 81, the outside of which is disposed inside the first connecting block 6. The first connecting block 6 has a threaded groove 82 inside, and the outside of the screw 81 is threadedly connected to the inside of the threaded groove 82. Specifically, in this embodiment, the screw 81 is used to provide a fixing force, and the threaded groove 82 inside the first connecting block 6 is used to cooperate with the screw 81 to fix the first connecting block 6 and the second connecting block 7, thereby achieving the effect of quick installation and disassembly of the multi-effect filter screen 3. Example

[0021] Reference Figures 5-7The fixing component 8 also includes a retainer 83, which is externally fixedly connected to the outside of the first connecting block 6. A first spring 84 is provided inside the second connecting block 7. T-shaped plates 85 are provided at both ends of the first spring 84. A sliding block 87 and a buckle 88 are externally fixedly connected to the outside of the T-shaped plates 85. A sliding groove 86 is provided inside the second connecting block 7, and a retainer 83 is provided inside the retainer 83. The retainer 83 is externally located inside the second connecting block 7, the T-shaped plates 85 are externally slidably connected to the inside of the second connecting block 7, the sliding block 87 is externally slidably connected to the inside of the sliding groove 86, and the buckle 88 is externally engaged with the inside of the retainer 89. Specifically, in this embodiment, the card holder 83 is used to cooperate with the second connecting block 7 to achieve initial positioning, providing a basis for the connection of the first connecting block 6 and the second connecting block 7. The first spring 84 inside the second connecting block 7 is used to provide elastic force to push the T-shaped plates 85 at both ends to slide inside the second connecting block 7. The T-shaped plates 85 are used to drive the sliding block 87 and the buckle 88 to move. The external sliding block 87 can slide in the sliding groove 86 inside the second connecting block 7. By limiting the sliding block 87 through the sliding groove 86, the movement direction of the T-shaped plate 85 is ensured to be stable. The buckle 88 is used to engage with the card slot 89. Under the elastic force of the first spring 84, the buckle 88 is engaged in the card slot 89, realizing the quick fixation of the first connecting block 6 and the second connecting block 7, thereby realizing the quick installation and disassembly of the multi-effect filter screen 3, achieving the effect of facilitating later maintenance and replacement.

[0022] Reference Figure 1 and Figure 2 A handle 9 is fixedly connected to the outside of the first outer shell 1, and hinges 10 are fixedly connected to the outside of both the first outer shell 1 and the second outer shell 2. Specifically, in this embodiment, the handle 9 is used for the operator to hold. By pulling or pushing the handle 9 with the hand, the first outer shell 1 can be moved, which facilitates docking or separating the first outer shell 1 from the second outer shell 2. The hinge 10 is used to realize the rotational connection between the two. Through the hinge structure of the hinge 10, the first outer shell 1 can rotate relative to the second outer shell 2 around the hinge 10, which facilitates the adjustment of the opening and closing state of the first outer shell 1 and the second outer shell 2, thereby facilitating the maintenance or replacement of the internal multi-effect filter 3. Example

[0023] Reference Figure 8 and Figure 9The first outer shell 1 and the second outer shell 2 are provided with a cover plate 11 at their top ends. A positioning post 12 is fixedly connected to the bottom end of the cover plate 11. Positioning grooves 13 are provided inside the first outer shell 1 and the second outer shell 2. An installation assembly 14 is provided on the outside of the second outer shell 2. The installation assembly 14 includes a support cylinder 141. The outside of the support cylinder 141 is fixedly connected to the inside of the second outer shell 2. A second spring 142 is provided inside the support cylinder 141. A sliding plate 143 is provided at one end of the second spring 142. A pull rod 144 is fixedly connected to one end of the sliding plate 143. A locking block 145 is fixedly connected to the other end of the sliding plate 143. A limiting groove 146 is provided inside the positioning post 12. The outside of the sliding plate 143, the pull rod 144 and the locking block 145 are all slidably connected to the inside of the support cylinder 141. The outside of the locking block 145 is locked inside the limiting groove 146. Specifically, in this embodiment, the cover plate 11 is used to close the opening to prevent external dust and impurities from entering and contaminating the multi-effect filter 3. The positioning post 12 is used to cooperate with the positioning groove 13 inside the first outer shell 1 and the second outer shell 2. By inserting the positioning post 12 into the positioning groove 13, the cover plate 11 can be quickly positioned during installation. The mounting assembly 14 is used to fix the cover plate 11 onto the second outer shell 2. The support cylinder 141 is used to provide installation and sliding space for components such as the second spring 142 and the sliding plate 143. The second spring 142 is used to provide elastic thrust to push the sliding plate 143 to slide within the support cylinder 141. The sliding plate 143 is used to... The pull rod 144 and the locking block 145 move synchronously. The pull rod 144 at one end is pulled by the operator. By pulling the pull rod 144, the slide plate 143 can be driven to compress the second spring 142. The locking block 145 at the other end is used to engage with the limiting groove 146 inside the positioning post 12. Under the elastic force of the second spring 142, the locking block 145 is locked into the limiting groove 146, thereby fixing the cover plate 11 to the outer shell. Conversely, pulling the pull rod 144 can make the locking block 145 disengage from the limiting groove 146, making it easy to remove the cover plate 11. This can fix the cover plate 11 and prevent airborne dust, fallen leaves, and insects from entering the filter layer.

[0024] Working principle: When the multi-effect filter 3 needs to be maintained or replaced, firstly, the screw 81 is turned to disengage it from the threaded groove 82 inside the first connecting block 6 and the second connecting block 7. Alternatively, the first spring 84 can be compressed by pressing the T-shaped plate 85, which will drive the sliding block 87 to slide along the slide groove 86. At the same time, the buckle 88 will move, thereby disengaging the buckle 88 from the slot 89. Then, the handle 9 is pulled to rotate the first outer shell 1 around the hinge 10 to open the first outer shell 1. Finally, the multi-effect filter 3 is taken out, and the L-shaped slider 5 slides out from the support plate 4, thereby allowing the multi-effect filter 3 to be replaced. This achieves the effect of reducing maintenance costs and reducing resource waste. When not in operation or under maintenance, first pull the lever 144 to slide the slide plate 143 and compress the second spring 142, causing the locking block 145 to move. Then, insert the positioning post 12 of the cover plate 11 into the positioning groove 13, and then release the lever 144, so that the second spring 142 unfolds and pushes the slide plate 143 to slide. At the same time, the slide plate 143 drives the locking block 145 to move, so that the locking block 145 is locked into the limiting groove 146, thereby fixing the cover plate 11 and preventing airborne dust, fallen leaves, and insects from entering the filter layer, thus protecting the filter material and extending the service life of the core.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A honeycomb multi-stage filter core for a fire damper, comprising a first outer shell (1), characterized in that: The first outer shell (1) is provided with a second outer shell (2) on its exterior. Both the first outer shell (1) and the second outer shell (2) are provided with multi-effect filters (3). The second outer shell (2) is fixedly connected with a support plate (4). The bottom end of the multi-effect filters (3) is fixedly connected with an L-shaped slider (5). The L-shaped slider (5) is slidably connected to the inside of the support plate (4). The first outer shell (1) is fixedly connected with a first connecting block (6). The second outer shell (2) is fixedly connected with a second connecting block (7). The first connecting block (6) is provided with a fixing component (8) inside its interior.

2. The honeycomb multi-stage filter core for a fire damper according to claim 1, characterized in that: The fixing component (8) includes a screw (81), the outside of which is disposed inside the first connecting block (6), and the inside of the first connecting block (6) is provided with a threaded groove (82), and the outside of the screw (81) is threadedly connected to the inside of the threaded groove (82).

3. The honeycomb multi-stage filter core for a fire damper according to claim 1, characterized in that: The fixing component (8) also includes a card holder (83), which is externally fixedly connected to the outside of the first connecting block (6). The second connecting block (7) is provided with a first spring (84), and both ends of the first spring (84) are provided with T-shaped plates (85). The outside of the T-shaped plates (85) is fixedly connected with a sliding block (87) and a buckle (88). The second connecting block (7) is provided with a sliding groove (86), and the card holder (83) is provided with a card slot (89).

4. A honeycomb multi-stage filter core for a fire damper according to claim 3, characterized in that: The card holder (83) is externally disposed inside the second connecting block (7), the T-shaped plate (85) is externally slidably connected to the inside of the second connecting block (7), the sliding block (87) is externally slidably connected to the inside of the slide groove (86), and the buckle (88) is externally snapped into the inside of the card slot (89).

5. A honeycomb multi-stage filter core for a fire damper according to claim 1, characterized in that: The first outer shell (1) is fixedly connected to a handle (9), and the first outer shell (1) and the second outer shell (2) are both fixedly connected to hinges (10).

6. A honeycomb multi-stage filter core for a fire damper according to claim 1, characterized in that: The top of the first shell (1) and the second shell (2) are provided with a cover plate (11), and the bottom of the cover plate (11) is fixedly connected with a positioning post (12). The first shell (1) and the second shell (2) are both provided with positioning grooves (13), and the second shell (2) is provided with an installation component (14).

7. A honeycomb multi-stage filter core for a fire damper according to claim 6, characterized in that: The mounting assembly (14) includes a support cylinder (141), the outside of which is fixedly connected to the inside of the second housing (2). A second spring (142) is provided inside the support cylinder (141). A sliding plate (143) is provided at one end of the second spring (142). A pull rod (144) is fixedly connected at one end of the sliding plate (143). A locking block (145) is fixedly connected at the other end of the sliding plate (143). A limit groove (146) is provided inside the positioning post (12).

8. A honeycomb multi-stage filter core for a fire damper according to claim 7, characterized in that: The outside of the slide plate (143), pull rod (144) and locking block (145) are all slidably connected to the inside of the support cylinder (141), and the outside of the locking block (145) is locked into the inside of the limiting groove (146).

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