Filtering structure and smoke exhaust fan

Abstract

The utility model provides a filtering structure and a smoke exhaust fan, and belongs to the technical field of smoke exhaust fans. The filtering structure comprises a connecting assembly and a filtering assembly, an air inlet pipe is arranged on one side of a fan body, a fixing block is fixedly connected with the fan body, an elastic rod is arranged on one side of the fixing block, firstly, smoke entering the fan body is filtered through a filtering plate, impurities in the smoke are filtered through the internal filtering plate, and the filtering assembly is arranged on the air inlet pipe. The connecting block is fixedly connected with the filter plate, the elastic rod is in sliding connection with the connecting block, meanwhile, the elastic rod is separated from the connecting block only by pulling the elastic rod, then the connecting block is pulled to drive the filter plate to move out of the interior of the air inlet pipe, and the filter plate can be removed from the interior of the air inlet pipe; the filter plate is convenient to clean and mount, so that the filter plate is convenient to dismount and mount, more sundries are prevented from being attached to the surface after long-time use, and the practicability is improved.

Description

Technical Field

[0001] The present application relates to the field of smoke exhaust fans, and in particular to a filter structure and a smoke exhaust fan. Background Art

[0002] The smoke exhaust fan mainly discharges the smoke to the outside by suction. Since the impurities in the smoke are generally more than the price, the impurities are easily retained inside the smoke exhaust fan during the operation of the smoke exhaust fan. For example, Chinese patent application number CN202022086824.9 is a smoke exhaust fan with a filtering structure, including a fan body, a side control box is provided on the side of the fan body, side connecting flanges are provided on the left and right sides of the fan body, an air intake pipe is provided on the left side of the fan body, and a side connecting flange is also provided on the right side of the air intake pipe, an air intake oblique pipe is provided on the left side of the air intake pipe, an internal circular filter plate is provided in the air intake pipe, and a plurality of groups of inner connecting plates are provided on the inner side of the air intake oblique pipe. The utility model describes a smoke exhaust fan with a filtering structure, which belongs to the field of fans. By setting up structures such as an air intake pipe, the frequency of cleaning the inside of the fan body can be reduced, and the internal circular filter plate of the air intake pipe is easy to install, and the air intake pipe is easy to clean. The bottom of the fan body is provided with a lower connecting rod and other shock-absorbing structures, which can protect the installation structure below and reduce vibration loosening or damage.

[0003] However, the above solution still has certain defects: first, the circular filter plate is inside the air inlet pipe, which is inconvenient to disassemble and install. After long-term use, more debris will adhere to the surface, affecting the use effect, thereby reducing practicality. Utility Model Content

[0004] In order to remedy the above deficiencies, the present application provides a filtering structure and a smoke exhaust fan, aiming to improve the problem in the related technology that the circular filter plate is located inside the air inlet duct, which is inconvenient to disassemble and install, and a lot of debris will adhere to the surface after long-term use, affecting the use effect, thereby reducing the practicality.

[0005] In a first aspect, an embodiment of the present application provides a filtering structure including a connecting component and a filtering component.

[0006] The connecting assembly includes a fan body, an air inlet pipe, a fixed block and an elastic rod, the air inlet pipe is arranged on one side of the fan body, the fixed block is fixedly connected to the fan body, the elastic rod is arranged on one side of the fixed block, the filter assembly includes a filter plate and a connecting block, the filter plate is slidably connected to the air inlet pipe, the connecting block is fixedly connected to the filter plate, and the elastic rod is slidably connected to the connecting block.

[0007] In a specific implementation manner, a first connecting plate is provided on the surface of the fan body.

[0008] In the above implementation process, a first connecting plate is provided on the surface of the fan body, and the first connecting plate can play a connecting role.

[0009] In a specific embodiment, a second connecting plate is provided on the surface of the air inlet duct, and a plurality of bolts are provided on one side of the second connecting plate. The bolts are connected to one side of the first connecting plate, and nuts are threadedly connected to the surface of the bolts, and the nuts are in contact with the first connecting plate.

[0010] In the above implementation process, a second connecting plate is provided on the surface of the air inlet duct, and the first connecting plate and the second connecting plate can be connected by the cooperation of bolts and nuts, so that the air inlet duct can be fixed to the fan body.

[0011] In a specific embodiment, the elastic rod includes an insertion rod and a spring, the insertion rod is connected to one side of the fixed block, one end of the spring is fixedly connected to the fixed block, and the other end of the spring is fixedly connected to the insertion rod.

[0012] In the above implementation process, the insertion rod and the spring can achieve a clamping effect.

[0013] In a specific embodiment, the filter plate includes an arc-shaped plate, a circular plate and a filter screen, the circular plate is fixedly connected to the arc-shaped plate, and the filter screen is arranged inside the circular plate.

[0014] In the above implementation process, the arc plate can play a connecting role, and the filter net can play a filtering role.

[0015] In a specific implementation, sealing gaskets are provided on both sides of the arc-shaped plate, and the sealing gaskets are in contact with the air inlet pipe.

[0016] In the above implementation process, sealing gaskets are arranged on both sides of the arc plate, and the sealing gaskets can improve the sealing effect.

[0017] In a specific embodiment, a through hole is provided on one side of the connection block, and the insertion rod is slidably connected to the through hole.

[0018] In the above implementation process, a through hole is provided on one side of the connecting block. When the filter needs to be cleaned, the user can pull the plug rod to separate the plug rod from the through hole, and then pull the connecting block to drive the arc plate to remove the filter from the inside of the air inlet duct for cleaning, which is convenient for cleaning. The reverse operation can be performed to install it.

[0019] In a second aspect, the utility model further provides a smoke exhaust fan, comprising the above-mentioned filtering structure.

[0020] Compared with the prior art, the beneficial effects of the present application are: first, the flue gas entering the fan body is filtered through the filter plate, and the impurities in the flue gas are filtered through the internal filter plate, thereby reducing the impurities in the flue gas entering the fan body and reducing the frequency of cleaning the fan body. At the same time, only the elastic rod needs to be pulled to separate the elastic rod from the connecting block, and then the connecting block is pulled to drive the filter plate out of the air inlet pipe, which is convenient for cleaning and installation of the filter plate, and then convenient for disassembly and installation of the filter plate, preventing a lot of debris from adhering to the surface after long-term use, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of a filter structure and a smoke exhaust fan structure provided in an embodiment of the present application;

[0023] Figure 2 A schematic diagram of the air inlet duct structure provided in an embodiment of the present application;

[0024] Figure 3 A schematic diagram of the elastic rod structure provided in an embodiment of the present application;

[0025] Figure 4 A schematic diagram of the filter plate structure provided in an embodiment of the present application.

[0026] In the figure: 100-connecting assembly; 110-fan body; 111-first connecting plate; 120-air inlet pipe; 121-second connecting plate; 122-bolt; 123-nut; 130-fixing block; 140-elastic rod; 141-insertion rod; 142-spring; 200-filtering assembly; 210-filtering plate; 211-arc plate; 2111-sealing gasket; 212-round plate; 213-filtering net; 220-connecting block; 221-through hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0028] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] See also Figure 1-4 The present application provides a filtering structure including a connecting component 100 and a filtering component 200. The connecting component 100 can play a connecting role, and the filtering component 200 can play a filtering effect.

[0030] See also Figure 1-3 The connecting assembly 100 includes a fan body 110, an air inlet pipe 120, a fixing block 130 and an elastic rod 140. The air inlet pipe 120 is arranged on one side of the fan body 110. The fixing block 130 is fixedly connected to the fan body 110. The elastic rod 140 is arranged on one side of the fixing block 130. A first connecting plate 111 is arranged on the surface of the fan body 110. The first connecting plate 111 can play a connecting role.

[0031] In some specific embodiments, a second connecting plate 121 is provided on the surface of the air inlet duct 120, and a plurality of bolts 122 are provided on one side of the second connecting plate 121. The bolts 122 are connected to one side of the first connecting plate 111, and a nut 123 is threadedly connected to the surface of the bolt 122, and the nut 123 is in contact with the first connecting plate 111. The first connecting plate 111 and the second connecting plate 121 can be connected by the cooperation of the bolts 122 and the nuts 123, so that the air inlet duct 120 can be fixed to the fan body 110. The elastic rod 140 includes an insert rod 141 and a spring 142. The insert rod 141 is connected to one side of the fixing block 130, one end of the spring 142 is fixedly connected to the fixing block 130, and the other end of the spring 142 is fixedly connected to the insert rod 141, and a clamping effect can be achieved through the insert rod 141 and the spring 142.

[0032] See also Figure 1 and Figure 4 The filter assembly 200 includes a filter plate 210 and a connecting block 220. The filter plate 210 is slidably connected to the air inlet pipe 120. The connecting block 220 is fixedly connected to the filter plate 210. The elastic rod 140 is slidably connected to the connecting block 220. The filter plate 210 includes an arc plate 211, a circular plate 212 and a filter net 213. The circular plate 212 is fixedly connected to the arc plate 211. The filter net 213 is arranged inside the circular plate 212. The arc plate 211 can play a connecting role, and the filter net 213 can play a filtering role.

[0033] In some specific implementation schemes, sealing gaskets 2111 are provided on both sides of the arc plate 211, and the sealing gaskets 2111 are in contact with the air inlet pipe 120. The sealing gaskets 2111 can improve the sealing effect. A through hole 221 is provided on one side of the connecting block 220, and the plug rod 141 is slidably connected to the through hole 221. When the filter 213 needs to be cleaned, the user can pull the plug rod 141 to separate the plug rod 141 from the through hole 221, and then pull the connecting block 220 to drive the arc plate 211 to remove the filter 213 from the inside of the air inlet pipe 120 for cleaning, which is convenient for cleaning. The reverse operation can be performed to install it.

[0034] The utility model further provides a smoke exhaust fan, comprising the above-mentioned filtering structure.

[0035] The working principle of the filtering structure and the smoke exhaust fan is as follows: first, the smoke entering the fan body 110 is filtered through the filter plate 210, and the impurities in the smoke are filtered through the internal filter plate 210, so as to reduce the impurities in the smoke entering the fan body 110 and reduce the frequency of cleaning of the fan body 110. When it is necessary to clean the filter 213, the user can pull the plug rod 141 to separate the plug rod 141 from the through hole 221, and then pull the connecting block 220 to drive the arc plate 211 to remove the filter 213 from the inside of the air inlet pipe 120 for cleaning, so as to facilitate cleaning. Conversely, the operation can be performed to install it, so as to facilitate cleaning and installation of the filter 213, and then facilitate disassembly and installation of the filter plate 210, so as to prevent a lot of debris from adhering to the surface after long-term use, thereby improving practicality.

[0036] It should be noted that the specific model and specifications of the fan body 110 need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0037] The power supply and principle of the fan body 110 are clear to those skilled in the art and will not be described in detail here.

[0038] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0039] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A filtering structure, characterized in that: include A connecting assembly (100), the connecting assembly (100) comprising a fan body (110), an air inlet pipe (120), a fixing block (130) and an elastic rod (140), the air inlet pipe (120) being arranged on one side of the fan body (110), the fixing block (130) being fixedly connected to the fan body (110), and the elastic rod (140) being arranged on one side of the fixing block (130); A filter assembly (200), the filter assembly (200) comprising a filter plate (210) and a connecting block (220), the filter plate (210) being slidably connected to the air inlet pipe (120), the connecting block (220) being fixedly connected to the filter plate (210), and the elastic rod (140) being slidably connected to the connecting block (220).

2. A filtering structure according to claim 1, characterized in that: A first connecting plate (111) is provided on the surface of the fan body (110).

3. A filtering structure according to claim 2, characterized in that: A second connecting plate (121) is provided on the surface of the air inlet pipe (120), a plurality of bolts (122) are provided on one side of the second connecting plate (121), the bolts (122) penetrate and are connected to one side of the first connecting plate (111), a nut (123) is threadedly connected to the surface of the bolt (122), and the nut (123) is in contact with the first connecting plate (111).

4. A filtering structure according to claim 1, characterized in that: The elastic rod (140) comprises an insertion rod (141) and a spring (142); the insertion rod (141) penetrates and is connected to one side of the fixed block (130); one end of the spring (142) is fixedly connected to the fixed block (130); and the other end of the spring (142) is fixedly connected to the insertion rod (141).

5. A filtering structure according to claim 1, characterized in that: The filter plate (210) comprises an arc-shaped plate (211), a circular plate (212) and a filter net (213); the circular plate (212) is fixedly connected to the arc-shaped plate (211); and the filter net (213) is arranged inside the circular plate (212).

6. A filtering structure according to claim 5, characterized in that: Sealing pads (2111) are provided on both sides of the arc-shaped plate (211), and the sealing pads (2111) are in contact with the air inlet pipe (120).

7. A filtering structure according to claim 4, characterized in that: A through hole (221) is provided on one side of the connection block (220), and the insertion rod (141) is slidably connected to the through hole (221).

8. Smoke exhaust fan, characterized in that: include A filter structure as claimed in any one of claims 1 to 7.

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