Exhaust filtering device

Abstract

The utility model relates to the technical field of air exhaust filtering equipment, in particular to an air exhaust filtering device which comprises an air duct, a supporting frame is arranged in the air duct, a filtering net is fixedly connected in the supporting frame, and an installation assembly is arranged between the supporting frame and the air duct. Buffering assemblies are arranged above and below the right side of the supporting frame. Air passing through the air duct can be filtered through the filter screen in the supporting frame, so that the device can filter broken hair in the air duct and protect the fan, the purpose of quickly replacing the filter screen can be achieved through the mounting assembly, and the device is convenient to use, high in practicability and suitable for popularization and application. Meanwhile, the air passing through the filter screen is buffered to a certain degree through the buffer assembly, the filter screen is prevented from being directly blown by the air to deform, therefore, the use of the filter screen is prevented from being affected, and the service life of the filter screen is prolonged.

Description

Technical Field

[0001] The utility model patent relates to the technical field of exhaust air filtering equipment, and specifically, to an exhaust air filtering device. Background Art

[0002] In the process of carbon fiber production, broken fibers are often generated. These broken fibers will float in the air and enter the air duct through the exhaust system of the workshop.

[0003] However, if left unattended for a long time, the broken hair will be tangled into balls, affecting the exhaust effect. In serious cases, the broken hair will entangle the fan impeller and damage the fan. Therefore, an exhaust filter device is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide an exhaust filter device, aiming to solve the problems in the above-mentioned background technology.

[0005] The utility model is implemented as follows: an exhaust filter device includes an air duct;

[0006] A support frame is arranged inside the air duct, a filter screen is fixedly connected inside the support frame, a mounting assembly is arranged between the support frame and the air duct, and a buffer assembly is arranged above and below the right side of the support frame.

[0007] Furthermore, the ends on both sides of the outer surface of the air duct are fixedly connected with mounting plates.

[0008] Furthermore, a plurality of evenly distributed mounting holes are provided inside the mounting plate.

[0009] Furthermore, the mounting assembly includes a plurality of evenly distributed through holes opened inside the air duct, fastening bolts passing through the through holes, a plurality of evenly distributed threaded holes opened on the outer surface of the support frame, and one end of the fastening bolts close to the center of the air duct is threadedly connected to the threaded holes, and one end of the fastening bolts away from the center of the air duct passes through the outer surface of the air duct.

[0010] Furthermore, the buffer assembly includes a connecting plate fixedly connected to the upper or lower right side of the supporting frame, a groove is opened on the right side of the connecting plate, and the interior of the groove is communicated with the interior of the air duct, an inner groove is opened on the left side of the groove, a slider is slidably connected to the interior of the inner groove, a spring is fixedly connected between the left side of the slider and the left side wall of the inner groove, a gear rod is fixedly connected to the right side of the slider, a buffer plate is rotatably connected between the centers of the front and rear surfaces of the groove through a rotating rod, a storage groove is opened on the side of the buffer plate away from the center of the air duct, a spur gear is fixedly connected to the outer surface of the rotating rod located in the storage groove, and the spur gear is meshingly connected to the gear rod.

[0011] Furthermore, a guide groove is provided at the center of the side of the groove away from the center of the air duct, a guide block is slidably connected inside the guide groove, and the side of the guide block close to the center of the air duct is fixedly connected to the side of the gear rod away from the center of the air duct.

[0012] Furthermore, an arc-shaped buffer groove is provided on the right side of the buffer plate.

[0013] Compared with the prior art, the utility model can filter the wind passing through the air duct through the filter screen inside the supporting frame, so that the device can filter the broken hair in the air duct and protect the fan, and the filter screen can be quickly replaced by installing the assembly, so that the device is easy to use and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of an exhaust filter device provided by the utility model;

[0015] Figure 2 This is a partial right-section structural schematic diagram of an exhaust filter device provided by the utility model;

[0016] Figure 3 The utility model provides an exhaust filter device Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a partial cross-sectional structural schematic diagram of an exhaust filter device provided by the utility model;

[0018] Figure 5 The utility model provides an exhaust filter device Figure 4 Enlarged structural diagram at B in the middle.

[0019] The figure marks involved in the above drawings are: 1. air duct; 2. mounting assembly; 201. fastening bolt; 202. through hole; 203. threaded hole; 3. mounting plate; 4. mounting hole; 5. supporting frame; 6. filter; 7. buffer assembly; 701. connecting plate; 702. groove; 703. buffer plate; 704. buffer groove; 705. storage groove; 706. spur gear; 707. rotating rod; 708. inner groove; 709. spring; 710. slider; 711. gear rod; 712. guide groove; 713. guide block. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0022] Embodiment 1:

[0023] according to Figure 1-4 As shown, an exhaust filter device includes an air duct 1;

[0024] A support frame 5 is provided inside the air duct 1, and a filter screen 6 is fixedly connected inside the support frame 5. An installation component 2 is provided between the support frame 5 and the air duct 1, and buffer components 7 are provided above and below the right side of the support frame 5. When working, the air duct 1 of the device is first installed with the external exhaust system, and after installation, the filter screen 6 inside the support frame 5 installed with the installation component 2 and the air duct 1 can filter the wind passing through the air duct 1, so that the device can filter the broken hair in the air duct 1 and protect the fan, and the purpose of quickly replacing the filter screen can be achieved through the installation component 2, so that the device is easy to use and has strong practicality. At the same time, the buffer component 7 can buffer the wind passing through the filter screen 6 to a certain extent, and prevent the filter screen 6 from being directly deformed by the wind, thereby avoiding the use of the filter screen 6 being affected and increasing the service life of the filter screen 6.

[0025] The ends on both sides of the outer surface of the air duct 1 are fixedly connected with mounting plates 3; during operation, the air duct 1 is conveniently installed with the external exhaust system.

[0026] The interior of the mounting plate 3 is provided with a plurality of evenly distributed mounting holes 4, which facilitate external mounting bolts to penetrate the mounting plate 3 and the air duct of the exhaust system for fixed installation during operation.

[0027] The installation component 2 includes a plurality of evenly distributed through holes 202 opened inside the air duct 1, and a fastening bolt 201 is inserted inside the through holes 202. A plurality of evenly distributed threaded holes 203 are opened on the outer surface of the support frame 5, and one end of the fastening bolt 201 close to the center of the air duct 1 is threadedly connected with the threaded hole 203, and the end of the fastening bolt 201 away from the center of the air duct 1 passes through the outer surface of the air duct 1; during operation, the fastening bolt 201 passes through the through holes 202 and is threadedly connected with the threaded hole 203, so that the support frame 5 and the air duct 1 are installed, and the filter screen 6 is installed with the air duct 1. When disassembly is required, the fastening bolt 201 is directly rotated to rotate it out of the threaded hole 203, and then the support frame 5 is moved to be removed from the air duct 1 so that the filter screen 6 can be disassembled and cleaned.

[0028] The buffer assembly 7 includes a connecting plate 701 fixedly connected to the upper or lower right side of the supporting frame 5, a groove 702 is provided on the right side of the connecting plate 701, and the interior of the groove 702 is communicated with the interior of the air duct 1, an inner groove 708 is provided on the left side of the groove 702, a slider 710 is slidably connected to the interior of the inner groove 708, a spring 709 is fixedly connected between the left side of the slider 710 and the left side wall of the inner groove 708, a gear rod 711 is fixedly connected to the right side of the slider 710, a buffer plate 703 is rotatably connected between the centers of the front and rear surfaces of the groove 702 through a rotating rod 707, a storage groove 705 is provided on the side of the buffer plate 703 away from the center of the air duct 1, a spur gear 706 is fixedly connected to the outer surface of the rotating rod 707 located inside the storage groove 705, and the spur gear 706 and the gear The rod 711 is meshed and connected; when working, when the wind enters the air duct 1 and is filtered by the filter 6, the buffer plate 703 is first blown, and the buffer plate 703 buffers the wind blown into the air duct 1 to a certain extent, and then the buffer plate 703 is rotated through the rotating rod 707, and the rotation of the buffer plate 703 drives the spur gear 706 to rotate, and after the spur gear 706 rotates, it drives the gear rod 711 meshed with it to move, and then the gear rod 711 moves and drives the slider 710 to slide inside the inner groove 708, and after the slider 710 slides, it squeezes the spring 709 so that the spring 709 has a rebound force, and the rebound force of the spring 709 makes the buffer plate 703 buffer the wind blown in to a certain extent, so that the wind passing through the filter 6 can be buffered to a certain extent, and the filter 6 can be prevented from being directly deformed by the wind, thereby avoiding the use of the filter 6 being affected and increasing the service life of the filter 6.

[0029] A guide groove 712 is provided at the center of the side of the groove 702 away from the center of the air duct 1, and a guide block 713 is slidably connected inside the guide groove 712, and the side of the guide block 713 close to the center of the air duct 1 is fixedly connected to the side of the gear rod 711 away from the center of the air duct 1; when working, the sliding of the gear rod 711 is more stable due to the limitation of the guide block 713 sliding inside the guide groove 712.

[0030] Embodiment 2:

[0031] like Figure 5 As shown, compared with Example 1, as another implementation of the present utility model, an arc-shaped buffer groove 704 is opened on the right side of the buffer plate 703; when working, the arc-shaped buffer groove 704 can make the buffer plate 703 play a better buffering role.

[0032] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0033] Reference Figure 1-4 As shown, it is a preferred embodiment provided by the utility model.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An exhaust filter device, comprising an air duct (1); It is characterized in that A support frame (5) is arranged inside the air duct (1), a filter screen (6) is fixedly connected inside the support frame (5), a mounting assembly (2) is arranged between the support frame (5) and the air duct (1), and a buffer assembly (7) is arranged above and below the right side of the support frame (5).

2. An exhaust filter device according to claim 1, characterized in that: The ends on both the left and right sides of the outer surface of the air duct (1) are fixedly connected with mounting plates (3).

3. An exhaust filter device according to claim 2, characterized in that: The mounting plate (3) is provided with a plurality of evenly distributed mounting holes (4) inside.

4. An exhaust filter device according to claim 3, characterized in that: The mounting assembly (2) comprises a plurality of evenly distributed through-holes (202) provided inside the air duct (1), a fastening bolt (201) passing through the through-holes (202), a plurality of evenly distributed threaded holes (203) provided on the outer surface of the support frame (5), and one end of the fastening bolt (201) close to the inner center of the air duct (1) is threadedly connected to the threaded hole (203), and one end of the fastening bolt (201) away from the inner center of the air duct (1) passes through the outer surface of the air duct (1).

5. An exhaust filter device according to claim 4, characterized in that: The buffer assembly (7) comprises a connecting plate (701) fixedly connected to the upper or lower part of the right side of the supporting frame (5); a groove (702) is provided on the right side of the connecting plate (701); the interior of the groove (702) is communicated with the interior of the air duct (1); an inner groove (708) is provided on the left side of the interior of the groove (702); a slider (710) is slidably connected to the interior of the inner groove (708); a spring (701) is fixedly connected between the left side of the slider (710) and the left side wall of the interior of the inner groove (708); 9), a gear rod (711) is fixedly connected to the right side of the slider (710), a buffer plate (703) is rotatably connected between the centers of the front and rear surfaces inside the groove (702) via a rotating rod (707), a receiving groove (705) is provided on the side of the buffer plate (703) away from the center of the air duct (1), a spur gear (706) is fixedly connected to the outer surface of the rotating rod (707) located inside the receiving groove (705), and the spur gear (706) is meshingly connected to the gear rod (711).

6. An exhaust filter device according to claim 5, characterized in that: A guide groove (712) is provided at the center of a side of the groove (702) away from the center of the air duct (1), a guide block (713) is slidably connected inside the guide groove (712), and a side of the guide block (713) close to the center of the air duct (1) is fixedly connected to a side of the gear rod (711) away from the center of the air duct (1).

7. An exhaust filter device according to claim 6, characterized in that: An arc-shaped buffer groove (704) is provided on the right side of the buffer plate (703).

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