A graphene melt-blown filter membrane

Abstract

The utility model discloses a graphene melt-blown filter membrane, comprising a first installation frame, a second installation frame and a third installation frame, wherein the first installation frame, the second installation frame and the third installation frame are all equipped with filter membrane bodies, L-shaped fixing plates are installed on both sides of the first installation frame, and a pressure plate abutting the third installation frame is installed on the upper end of the L-shaped fixing plate, a fixing frame is fixed to the bottom of one side of the first installation frame, a limiting rod is installed inside the fixing frame, and limiting grooves aligned with each other are opened on both sides of the first installation frame, the limiting rod extends into the limiting groove and is slidably connected thereto, and the utility model cooperates with the limiting groove by setting the limiting rod, and when it is necessary to disassemble one or more groups of the filter membrane bodies, it is only necessary to rotate the threaded rod so that the pressure plate and the third installation frame are no longer abutted, and at this time, the limiting rod is pulled away from the limiting groove to pull the required installation frame out from one side.

Description

Technical Field

[0001] The utility model relates to the technical field of filter membranes, in particular to a graphene melt-blown filter membrane. Background Art

[0002] Because the air often contains various types of dust and sand, in order to prevent pollutants in the air from causing harm to the human body, air filter membranes are generally used on the market to filter the air to prevent the human body from being polluted by the external environment.

[0003] The utility model with the existing patent application number CN202222874946.3 discloses a novel graphene filter membrane, including a main body component, on which a first connecting component and a second connecting component are installed, the first connecting component including a limit column and a limit hole; the limit hole is internally slidably connected to the limit column; the second connecting component includes a connecting plate, a threaded rod, an adjusting knob, a pressure plate, a guide rod and a sliding hole; one side of the connecting plate is threadedly connected to a threaded rod, one end of the threaded rod is fixedly connected to an adjusting knob, and the end of the threaded rod away from the adjusting knob is rotatably connected to a pressure plate;

[0004] The device prevents multiple graphene filter membranes from moving up, down, left and right by setting limit columns, and presses multiple filter membranes through a pressure plate by rotating threaded rods. However, the following defects still exist: when it is necessary to disassemble and replace one or two groups of filter membranes during practical use, it is necessary to rotate multiple groups of threaded rods in turn to drive the pressure plate away from the frame, and then remove the multiple groups of filter membranes in turn from top to bottom, which is very inconvenient. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a graphene melt-blown filter membrane. By cooperating with the limit rod and the limit groove, when one or more groups of filter membrane bodies need to be disassembled, it is only necessary to rotate the threaded rod so that the pressure plate and the third mounting frame are no longer in contact. At this time, the limit rod is pulled away from the limit groove, and the mounting frame where the filter membrane body to be removed is located can be pulled out from the side direction perpendicular to the L-shaped fixing plate. This is very convenient and there is no need to disassemble multiple groups of pressure plates and then take them out one by one from top to bottom.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a graphene melt-blown filter membrane, comprising a first mounting frame, a second mounting frame and a third mounting frame, wherein the first mounting frame, the second mounting frame and the third mounting frame are each internally installed with a filter membrane body, L-shaped fixing plates are installed on both sides of the first mounting frame, a pressure plate abutting the third mounting frame is installed on the upper end of the L-shaped fixing plate, a fixing frame is fixed to the bottom of one side of the first mounting frame, a limiting rod is installed inside the fixing frame, and limiting grooves aligned with each other are provided on both sides of the first mounting frame, the limiting rod extends into the limiting groove and is slidably connected thereto.

[0007] As a preferred technical solution of the utility model, a spring is fixed inside the fixing frame, a limiting plate is fixed on one end of the spring close to the first mounting frame, the limiting rod passes through the spring and is fixedly connected to the limiting plate, and one end of the limiting rod away from the third mounting frame extends out of the fixing frame and is fixedly connected to a movable block.

[0008] As a preferred technical solution of the utility model, one end of the L-shaped fixing plate is hinged to the first mounting frame, and the other end of the L-shaped fixing plate extends above the third mounting frame. A threaded rod is threadedly connected to the end of the L-shaped fixing plate located above the third mounting frame, and the bottom of the threaded rod is connected to the pressure plate by a bearing.

[0009] As a preferred technical solution of the utility model, guide rods are fixed on both sides of the threaded rod at the upper end of the pressure plate, and sliding grooves are opened on both sides of the threaded rod at the upper end of the L-shaped fixed plate, and the two groups of guide rods slide inside the two groups of sliding grooves respectively.

[0010] As a preferred technical solution of the utility model, the filter membrane body includes a graphene filter layer, and melt-blown layers are provided at both upper and lower ends of the graphene filter layer.

[0011] As a preferred technical solution of the utility model, a handle is fixedly installed on one side of the first installation frame, the second installation frame and the third installation frame which is perpendicular to the side where the L-shaped fixing plate is located.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0013] The utility model cooperates with the limiting rod and the limiting groove by setting. When one or more groups of filter membrane bodies need to be disassembled, it is only necessary to rotate the threaded rod so that the pressure plate and the third installation frame are no longer in contact. At this time, the limiting rod is pulled away from the limiting groove, and the installation frame where the filter membrane body to be removed is located can be pulled out from the side direction perpendicular to the L-shaped fixing plate. This is very convenient and there is no need to disassemble multiple groups of pressure plates and then take them out one by one from top to bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the L-shaped fixing plate in the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the filter membrane body in the utility model;

[0018] Among them: 1. first installation frame; 2. second installation frame; 3. third installation frame; 4. filter membrane body; 41. meltblown layer; 42. graphene filter layer; 5. L-shaped fixing plate; 6. pressure plate; 7. threaded rod; 8. guide rod; 9. limit rod; 10. limit groove; 11. fixing frame; 12. spring; 13. limit plate; 14. movable block; 15. handle; 16. slide groove. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Embodiment:

[0021] like Figure 1 , Figure 2 , Figure 3As shown, the utility model provides a graphene melt-blown filter membrane, comprising a first mounting frame 1, a second mounting frame 2 and a third mounting frame 3, wherein a filter membrane body 4 is mounted inside the first mounting frame 1, the second mounting frame 2 and the third mounting frame 3, L-shaped fixing plates 5 are mounted on both sides of the first mounting frame 1, and a pressing plate 6 abutting against the third mounting frame 3 is mounted on the upper end of the L-shaped fixing plate 5, a fixing frame 11 is fixed to the bottom of one side of the first mounting frame 1, a limiting rod 9 is mounted inside the fixing frame 11, and limiting grooves 10 aligned with each other are opened on both sides of the first mounting frame 1, the limiting rod 9 extends into the limiting groove 10 The fixing frame 11 is slidably connected thereto, a spring 12 is fixed inside the fixing frame 11, a limiting plate 13 is fixed to one end of the spring 12 close to the first mounting frame 1, the limiting rod 9 passes through the spring 12 and is fixedly connected to the limiting plate 13, one end of the limiting rod 9 away from the third mounting frame 3 extends out of the fixing frame 11 and is fixedly connected to a movable block 14, one end of the L-shaped fixing plate 5 is hinged to the first mounting frame 1, the other end of the L-shaped fixing plate 5 extends above the third mounting frame 3, the end of the L-shaped fixing plate 5 located above the third mounting frame 3 passes through a threaded rod 7 threadedly connected thereto, and the bottom of the threaded rod 7 is connected to the pressure plate 6 by a bearing;

[0022] When using the device, the threaded rod 7 can be rotated to drive the pressure plate 6 to move downward to squeeze the third installation frame 3, so that the first installation frame 1, the second installation frame 2 and the third installation frame 3 are abutted against each other, and at the same time, the limiting rod 9 passes through the multiple groups of limiting grooves 10 in sequence to limit the multiple groups of installation frames, so that they cannot move up, down, left, and right. When one or more groups of filter membrane bodies 4 need to be disassembled and replaced, the multiple groups of threaded rods 7 can be rotated first to drive the multiple groups of pressure plates 6 to move away from the third installation frame 3 to release the squeezing thereof, and the movable block 14 can be pulled to drive the limiting rod 9 to leave the multiple groups of limiting grooves. 10. Release the limit of multiple groups of installation frames. At this time, the installation frame where the filter membrane body 4 that needs to be removed is located can be pulled out from the side direction perpendicular to the L-shaped fixing plate 5. It is very convenient. There is no need to disassemble the multiple groups of pressure plates 6 and then take out the filter membrane bodies 4 one by one from top to bottom. When installing a new filter membrane body 4 later, you only need to insert it from the direction of withdrawal, and then release the movable block 14. The spring 12 will reset itself and drive the limit rods 9 to insert into the limit grooves 10 one by one, limit the multiple groups of filter membrane bodies 4, and then rotate the multiple groups of threaded rods 7 to make the pressure plate 6 squeeze between the multiple groups of installation frames.

[0023] like Figure 1 , Figure 2 , Figure 3As shown, the upper end of the pressure plate 6 is located on both sides of the threaded rod 7 and guide rods 8 are fixed thereto, the upper end of the L-shaped fixing plate 5 is located on both sides of the threaded rod 7 and sliding grooves 16 are provided thereon, and the two groups of guide rods 8 are respectively located in the two groups of sliding grooves 16 and slide therein; through the cooperation of the two groups of sliding grooves 16 and the guide rods 8, the movable path of the pressure plate 6 can be limited so that it can move up and down stably.

[0024] like Figure 2 , Figure 4 As shown, the filter membrane body 4 includes a graphene filter layer 42, and meltblown layers 41 are provided at the upper and lower ends of the graphene filter layer 42. The first mounting frame 1, the second mounting frame 2 and the third mounting frame 3 are fixedly provided with handles 15 on one side which is perpendicular to the side where the L-shaped fixing plate 5 is located; by providing the handle 15, the filter membrane body 4 and the mounting frame where it is located can be easily taken out and installed, and the meltblown layer 41 can be a meltblown PP material. After graphene is added to the meltblown PP material, a two-dimensional carbon nanomaterial of the graphene honeycomb lattice is produced to produce a stable filter grid to solve the instability of other filter materials, and the filtration is finer and more stable.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A graphene melt-blown filter membrane, comprising a first mounting frame (1), a second mounting frame (2) and a third mounting frame (3), wherein a filter membrane body (4) is mounted inside each of the first mounting frame (1), the second mounting frame (2) and the third mounting frame (3), characterized in that: L-shaped fixing plates (5) are installed on both sides of the first installation frame (1), and a pressure plate (6) abutting against the third installation frame (3) is installed on the upper end of the L-shaped fixing plate (5). A fixing frame (11) is fixed to the bottom of one side of the first installation frame (1), and a limiting rod (9) is installed inside the fixing frame (11). The first installation frame (1), the second installation frame (2) and the third installation frame (3) are provided with limiting grooves (10) aligned with each other on both sides, and the limiting rod (9) extends into the limiting groove (10) and is slidably connected thereto.

2. A graphene melt-blown filter membrane according to claim 1, characterized in that: A spring (12) is fixed inside the fixing frame (11); a limiting plate (13) is fixed to one end of the spring (12) close to the first installation frame (1); the limiting rod (9) passes through the spring (12) and is fixedly connected to the limiting plate (13); and one end of the limiting rod (9) away from the third installation frame (3) extends out of the fixing frame (11) and is fixedly connected to a movable block (14).

3. A graphene melt-blown filter membrane according to claim 1, characterized in that: One end of the L-shaped fixing plate (5) is hinged to the first installation frame (1), and the other end of the L-shaped fixing plate (5) extends above the third installation frame (3). A threaded rod (7) threadedly connected to the L-shaped fixing plate (5) passes through the end of the L-shaped fixing plate (5) located above the third installation frame (3), and the bottom of the threaded rod (7) is connected to the pressure plate (6) by a bearing.

4. A graphene melt-blown filter membrane according to claim 3, characterized in that: The upper end of the pressure plate (6) is located on both sides of the threaded rod (7) and is fixed with guide rods (8); the upper end of the L-shaped fixing plate (5) is located on both sides of the threaded rod (7) and is provided with sliding grooves (16); the two groups of guide rods (8) are respectively located inside the two groups of sliding grooves (16) and slide.

5. A graphene melt-blown filter membrane according to claim 1, characterized in that: The filter membrane body (4) comprises a graphene filter layer (42), and melt-blown layers (41) are provided at both the upper and lower ends of the graphene filter layer (42).

6. A graphene melt-blown filter membrane according to claim 1, characterized in that: A handle (15) is fixedly mounted on one side of the first mounting frame (1), the second mounting frame (2) and the third mounting frame (3) which is arranged perpendicular to the side where the L-shaped fixing plate (5) is located.

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