A silent air filter

Abstract

The utility model belongs to the technical field of air filters, specifically a silent air filter, comprising a filter body; a soundproof cover is fixedly connected to the surface of the filter body; a dust filter plate is fixedly connected to one side of the filter body; an air outlet plate is fixedly connected to one side of the filter body; a fixing rod is fixedly connected to the inside of the filter body; an exhaust fan is fixedly connected to one end of the fixing rod; an exhaust fan blade is fixedly connected to the output end of the exhaust fan; a connecting plate is provided on one side of the soundproof cover; a filter screen is fixedly connected to one side of the connecting plate; the filter screen is located inside the filter body; a pulling handle is fixedly connected to one side of the connecting plate; shock-absorbing dampers are fixedly connected to the top and bottom of the filter body; the problem that the existing air filter generates noise due to the vibration of the exhaust fan during use, which affects the user, is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air filters, in particular to a silent air filter. Background Art

[0002] Air filters are devices that capture dust from gas-solid two-phase flow and purify the gas through the action of porous filter materials. They are generally used in clean workshops, clean factories, laboratories and clean rooms, or for dust prevention of electronic machinery and communication equipment. There are primary filters, medium efficiency filters, high efficiency filters and sub-high efficiency filters. Various models have different standards and performance.

[0003] At present, the air filter in the existing technology includes an air inlet, a filter element, an air outlet, a drain plug, an activated carbon filter, a HEPA filter and a formaldehyde filter, etc. These structures are used in combination to filter the air.

[0004] However, during use, the existing air filter generates vibration due to the operation of the exhaust fan, which causes the air filter to generate noise, causing an impact on the user. Therefore, a silent air filter is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention proposes a silent air filter.

[0006] The utility model solves the technical problem thereof by adopting the following technical solution: a silent air filter according to the utility model comprises a filter body; a soundproof cover is fixedly connected to the surface of the filter body; a dust filter plate is fixedly connected to one side of the filter body; an air outlet plate is fixedly connected to one side of the filter body; a fixing rod is fixedly connected to the interior of the filter body; one end of the fixing rod is fixedly connected to the exhaust fan; an exhaust fan blade is fixedly connected to the output end of the exhaust fan; a connecting plate is provided on one side of the soundproof cover; a filter screen is fixedly connected to one side of the connecting plate; the filter screen is located inside the filter body; a pulling handle is fixedly connected to one side of the connecting plate; a shock absorbing damper is fixedly connected to the top and bottom of the filter body; a buffer spring is sleeved on the surface of the shock absorbing damper; two first connecting blocks are fixedly connected to both sides of the filter body; the first connecting block is hingedly connected to the connecting rod; the other end of the connecting rod is hingedly connected to the second connecting block; the second connecting block is slidably connected to the interior of the guide rod; and the surface of the guide rod is sleeved with an auxiliary spring.

[0007] Preferably, one side of the filter body is fixedly connected to an auxiliary plate; a sliding rod is fixedly connected between the auxiliary plates; a slider is slidably connected to the surface of the sliding rod; one side of the slider is fixedly connected to an auxiliary rod; one end of the auxiliary rod is fixedly connected to a moving rod; a cleaning brush is provided on the surface of the moving rod; one side of the cleaning brush is in contact with the dust filter plate; and one side of the moving rod is fixedly connected to a handle.

[0008] Preferably, one side of the soundproof cover is fixedly connected to two connecting columns; the surface of the connecting column is sleeved and connected with a fixing plate; the surface of the fixing plate is threadedly connected to a threaded column; the surface of the threaded column is threadedly connected to the soundproof cover and the connecting plate.

[0009] Preferably, a return spring is sleeved and connected to the surface of the slide rod; one end of the return spring is fixedly connected to the slide block.

[0010] Preferably, one side of the movable rod is threadedly connected to a fixing column; and the surface of the fixing column is threadedly connected to the cleaning brush.

[0011] Preferably, a sliding block is fixedly connected to one side of the second connecting block; and a sliding groove for use with the sliding block is provided on the inner wall of the sound insulation cover.

[0012] Preferably, the number of the first connecting block, the connecting rod, the second connecting block and the auxiliary spring is four; and the first connecting block, the connecting rod, the second connecting block and the auxiliary spring are evenly distributed on both sides of the filter body.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a silent air filter. By starting the exhaust fan, the exhaust fan drives the exhaust blades to rotate and exhaust air. When the exhaust fan is working, the filter body vibrates, and the filter body squeezes the shock-absorbing damper and the buffer spring. The shock-absorbing damper and the buffer spring cooperate to buffer and reduce the vibration. At the same time, the filter body drives the first connecting block to move, the first connecting block drives the connecting rod to move, and the connecting rod drives the second connecting block to slide on the guide rod. The second connecting block squeezes and buffers the auxiliary spring, thereby better buffering and reducing the vibration of the filter body, reducing the vibration, and thus reducing the noise of the filter body. It cooperates with the sound insulation cover to perform sound insulation and noise reduction, reducing the impact on the user.

[0015] 2. The utility model provides a silent air filter. When the user pulls the handle, the handle drives the moving rod to move, the moving rod drives the auxiliary rod to move, the auxiliary rod drives the slider to slide on the slide rod, and at the same time the moving rod drives the cleaning brush to move, so that the cleaning brush cleans the dust filter plate, reducing the dust residue on the dust filter plate and reducing the impact on the operation of the dust filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a rear sectional perspective view of the silent air filter in the utility model;

[0019] Figure 3 This is a left-side cutaway perspective view of the silent air filter in the present utility model;

[0020] Figure 4 It is a right side sectional perspective view of the silent air filter in the utility model;

[0021] Figure 5 This utility model Figure 2 Enlarged stereogram of point A in the middle.

[0022] Legend:

[0023] 1. Filter body; 101. Soundproof cover; 102. Dust filter plate; 103. Fixed rod; 104. Exhaust fan; 105. Connecting plate; 106. Pull handle; 107. Shock absorber; 108. Buffer spring; 109. First connecting block; 110. Connecting rod; 111. Second connecting block; 112. Guide rod; 113. Auxiliary spring; 114. Filter; 115. Exhaust fan blade; 116. Air outlet plate; 2. Auxiliary plate; 201. Sliding rod; 202. Sliding block; 203. Auxiliary rod; 204. Moving rod; 205. Cleaning brush; 206. Handle; 3. Connecting column; 301. Fixed plate; 302. Threaded column; 4. Return spring; 5. Fixed column; 6. Sliding block; 601. Sliding groove. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 5The utility model provides a silent air filter, comprising a filter body 1; a soundproof cover 101 is fixedly connected to the surface of the filter body 1; a dust filter plate 102 is fixedly connected to one side of the filter body 1; an air outlet plate 116 is fixedly connected to one side of the filter body 1; a fixing rod 103 is fixedly connected to the interior of the filter body 1; an exhaust fan 104 is fixedly connected to one end of the fixing rod 103; an exhaust fan blade 115 is fixedly connected to the output end of the exhaust fan 104; a connecting plate 105 is provided on one side of the soundproof cover 101; one side of the connecting plate 105 A filter screen 114 is fixedly connected; the filter screen 114 is located inside the filter body 1; a pull handle 106 is fixedly connected to one side of the connecting plate 105; shock-absorbing dampers 107 are fixedly connected to the top and bottom of the filter body 1; a buffer spring 108 is sleeved on the surface of the shock-absorbing damper 107; two first connecting blocks 109 are fixedly connected to both sides of the filter body 1; the internal hinge of the first connecting block 109 is connected to a connecting rod 110; the other end of the connecting rod 110 is hinged to a second connecting block 111; the internal hinge of the second connecting block 111 The guide rod 112 is slidably connected to the filter body 1; the surface of the guide rod 112 is sleeved with an auxiliary spring 113; the first connecting block 109, the connecting rod 110, the second connecting block 111 and the auxiliary spring 113 are four in number; the first connecting block 109, the connecting rod 110, the second connecting block 111 and the auxiliary spring 113 are evenly distributed on both sides of the filter body 1; when working, by starting the exhaust fan 104, the exhaust fan 104 drives the exhaust fan blade 115 to rotate and exhaust air, and the exhaust fan 104 works to vibrate the filter body 1, and the filter body 1 has a good impact on the shock absorbing damper 107 and the buffer The impact spring 108 is squeezed, and the vibration is buffered and reduced under the cooperation of the shock-absorbing damper 107 and the buffer spring 108. At the same time, the filter body 1 drives the first connecting block 109 to move, and the first connecting block 109 drives the connecting rod 110 to move. The connecting rod 110 drives the second connecting block 111 to slide on the guide rod 112. The second connecting block 111 squeezes and buffers the auxiliary spring 113, thereby better buffering and reducing the shock of the filter body 1, reducing vibration, and thus reducing the noise of the filter body 1, and cooperating with the sound insulation cover 101 to perform sound insulation and noise reduction, reducing the impact on the user.

[0027] Further, such as Figure 1 and Figure 3The cleaning brush 205 is fixedly connected to the dust filter plate 102, and the cleaning brush 205 is fixedly connected to the cleaning brush 205.

[0028] Further, such as Figure 1 As shown, one side of the sound insulation cover 101 is fixedly connected to two connecting columns 3; the surface of the connecting column 3 is sleeved and connected to a fixing plate 301; the surface of the fixing plate 301 is threadedly connected to a threaded column 302; the surface of the threaded column 302 is threadedly connected to the sound insulation cover 101 and the connecting plate 105; during operation, the user rotates the threaded column 302 to disengage the threaded column 302 from the connecting plate 105 and the sound insulation cover 101, and then rotates the fixing plate 301 to disengage from the connecting plate 105, and the user pulls the pulling handle 106 on the connecting plate 105, and the user pulls out the filter 114, thereby disassembling and replacing the filter 114, making it easier to replace and clean the filter 114.

[0029] Further, such as Figure 1 As shown, the surface of the slide rod 201 is sleeved with a return spring 4; one end of the return spring 4 is fixedly connected to the slider 202; during operation, the slider 202 compresses the return spring 4, and then the user loosens the grip 206, and the cleaning brush 205 is reset under the action of the return spring 4, and at the same time, the dust filter plate 102 is cleaned for the second time, which is convenient for the user's next operation and can better clean the dust filter plate 102.

[0030] Further, such as Figure 2 As shown, one side of the movable rod 204 is threadedly connected to a fixing column 5; the surface of the fixing column 5 is threadedly connected to the cleaning brush 205; during operation, the user rotates the fixing column 5 to separate the fixing column 5 from the cleaning brush 205, so that the cleaning brush 205 can be disassembled, making it easier to replace and clean the cleaning brush 205.

[0031] Further, such as Figure 5As shown, one side of the second connecting block 111 is fixedly connected to the sliding block 6; the inner wall of the sound insulation cover 101 is provided with a sliding groove 601 for use with the sliding block 6; during operation, the first connecting block 109 drives the sliding block 6 to slide in the sliding groove 601, reducing the wear of the second connecting block 111, extending the service life of the second connecting block 111, and horizontally limiting the second connecting block 111.

[0032] Working principle: By starting the exhaust fan 104, the exhaust fan 104 drives the exhaust blades 115 to rotate and extract air. When the exhaust fan 104 is working, the filter body 1 vibrates, and the filter body 1 squeezes the shock-absorbing damper 107 and the buffer spring 108. Under the cooperation of the shock-absorbing damper 107 and the buffer spring 108, the vibration is buffered and shock-absorbed. At the same time, the filter body 1 drives the first connecting block 109 to move, the first connecting block 109 drives the connecting rod 110 to move, and the connecting rod 110 drives the second connecting block 111 to slide on the guide rod 112. The second connecting block The auxiliary spring 111 squeezes and buffers the filter body 1, thereby better buffering and damping the filter body 1, reducing vibration, and thus reducing noise of the filter body 1, and cooperating with the soundproof cover 101 to perform sound insulation and noise reduction, reducing the impact on the user. When the user pulls the handle 206, the handle 206 drives the moving rod 204 to move, the moving rod 204 drives the auxiliary rod 203 to move, the auxiliary rod 203 drives the slider 202 to slide on the slide rod 201, and at the same time the moving rod 204 drives the cleaning brush 205 to move, so that the cleaning brush 205 cleans the dust filter plate 102. The user rotates the threaded column 302 to separate the threaded column 302 from the connecting plate 105 and the soundproof cover 101, and then rotates the fixing plate 301 to separate from the connecting plate 105. The user pulls the pull handle 106 on the connecting plate 105 and pulls out the filter 114, thereby disassembling and replacing the filter 114, making it easier to replace and clean the filter 114. The slider 202 compresses the return spring 4, and then the user loosens the grip 206. Under the action of the reset spring 4, the cleaning brush 205 is reset, and the dust filter plate 102 is cleaned for the second time, which is convenient for the user to operate in the next step and clean the dust filter plate 102 better. The user rotates the fixing column 5 to separate the fixing column 5 from the cleaning brush 205, so that the cleaning brush 205 can be disassembled, which is convenient for replacing and cleaning the cleaning brush 205. The first connecting block 109 drives the sliding block 6 to slide in the sliding groove 601, reducing the wear of the second connecting block 111, extending the service life of the second connecting block 111, and horizontally limiting the second connecting block 111.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A silent air filter, comprising a filter body (1); characterized in that: A soundproof cover (101) is fixedly connected to the surface of the filter body (1); a dust filter plate (102) is fixedly connected to one side of the filter body (1); an air outlet plate (116) is fixedly connected to one side of the filter body (1); a fixing rod (103) is fixedly connected to the inside of the filter body (1); an exhaust fan (104) is fixedly connected to one end of the fixing rod (103); an exhaust fan blade (115) is fixedly connected to the output end of the exhaust fan (104); a connecting plate (105) is provided on one side of the soundproof cover (101); a filter screen (114) is fixedly connected to one side of the connecting plate (105); the filter screen (114) is located inside the filter body (1); A pull handle (106) is fixedly connected to one side of the connection plate (105); a shock absorbing damper (107) is fixedly connected to the top and bottom of the filter body (1); a buffer spring (108) is sleeved and connected to the surface of the shock absorbing damper (107); two first connection blocks (109) are fixedly connected to both sides of the filter body (1); a connection rod (110) is hingedly connected inside the first connection block (109); the other end of the connection rod (110) is hingedly connected to a second connection block (111); a guide rod (112) is slidably connected inside the second connection block (111); and an auxiliary spring (113) is sleeved and connected to the surface of the guide rod (112).

2. A silent air filter according to claim 1, characterized in that: One side of the filter body (1) is fixedly connected to an auxiliary plate (2); a sliding rod (201) is fixedly connected between the auxiliary plates (2); a sliding block (202) is slidably connected to the surface of the sliding rod (201); one side of the sliding block (202) is fixedly connected to an auxiliary rod (203); one end of the auxiliary rod (203) is fixedly connected to a moving rod (204); a cleaning brush (205) is provided on the surface of the moving rod (204); one side of the cleaning brush (205) is in contact with the dust filter plate (102); and one side of the moving rod (204) is fixedly connected to a handle (206).

3. A silent air filter according to claim 1, characterized in that: One side of the soundproof cover (101) is fixedly connected to two connecting columns (3); the surfaces of the connecting columns (3) are sleeved and connected to a fixing plate (301); the surface of the fixing plate (301) is threadedly connected to a threaded column (302); and the surface of the threaded column (302) is threadedly connected to the soundproof cover (101) and the connecting plate (105).

4. A silent air filter according to claim 2, characterized in that: A return spring (4) is sleeved and connected to the surface of the slide bar (201); one end of the return spring (4) is fixedly connected to the slide block (202).

5. A silent air filter according to claim 2, characterized in that: A fixing column (5) is threadedly connected to one side of the moving rod (204); and a surface of the fixing column (5) is threadedly connected to a cleaning brush (205).

6. A silent air filter according to claim 1, characterized in that: A sliding block (6) is fixedly connected to one side of the second connecting block (111); and a sliding groove (601) for use with the sliding block (6) is provided on the inner wall of the sound insulation cover (101).

7. A silent air filter according to claim 1, characterized in that: The number of the first connecting block (109), the connecting rod (110), the second connecting block (111) and the auxiliary spring (113) is four; the first connecting block (109), the connecting rod (110), the second connecting block (111) and the auxiliary spring (113) are evenly distributed on both sides of the filter body (1).

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