Air filter element with replaceable filter layer

Abstract

The utility model discloses an air filter element with a replaceable filter layer, which comprises five layers of metal sintering nets, a support screw rod, a rubber sealing ring II, a bottom cover, a connecting nut and an end cover, the end cover corresponds to the bottom cover left and right, the support screw rod is fixed at the center of one side of the end cover, the connecting nut corresponding to the support screw rod is fixed at the center of one side of the bottom cover, and the rubber sealing ring II is fixed at the other side of the end cover. One end of the supporting screw rod is connected with the connecting nut in a threaded connection mode, the five-layer metal sintering net is fixed between the end cover and the bottom cover, when the five-layer metal sintering net is replaced, the supporting screw rod and the connecting nut are separated in a reverse spiral mode, and then the old five-layer metal sintering net is taken down and replaced with a new five-layer metal sintering net. According to the air filter element with the replaceable filter layer, the structure is simple, the operation is simple and convenient, the filter layer of the filter element can be conveniently replaced, so that the filter element can be conveniently recycled, and convenience is provided for people.

Description

Technical Field

[0001] The utility model relates to the technical field of air filter elements, in particular to an air filter element with a replaceable filter layer. Background Art

[0002] A laboratory is a place where experiments are conducted. It is the cradle of science, the base of scientific research, and the source of scientific and technological development. It plays a very important role in the development of science and technology. The laboratory needs to have a good ventilation environment when conducting experiments to avoid harmful gases generated during the experiment causing harm to the human body. Therefore, laboratories are generally equipped with gas filtering devices. However, the air filter element inside the existing filtering device has a complex structure and complex production steps. The filter layer of the filter element cannot be replaced. Once damaged, the entire filter element can only be replaced and cannot be recycled. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an air filter element with replaceable filter layers, which has a simple structure and is easy to operate. The filter layers of the filter element can be easily replaced, thereby facilitating the recycling of the filter element, providing convenience for people, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an air filter element with replaceable filter layers, comprising five layers of metal sintered mesh, a support screw, two rubber sealing rings, a bottom cover, a connecting nut and an end cover, the end cover corresponding to the bottom cover on the left and right, a support screw fixed at the center of one side of the end cover, a connecting nut corresponding to the support screw fixed at the center of one side of the bottom cover, one end of the support screw connected to the connecting nut by a threaded connection, and five layers of metal sintered mesh fixed between the end cover and the bottom cover.

[0005] Furthermore, the support screw is integrally connected to the end cover, and the connecting nut is integrally connected to the bottom cover. The support screw and the connecting nut are integrally connected to the end cover and the bottom cover respectively, making the device more secure.

[0006] Furthermore, an annular groove is provided on the side opposite to the bottom cover, and a rubber sealing ring is provided inside the annular groove, so that the air filter element can be installed more tightly through the rubber sealing ring.

[0007] Furthermore, the end cover includes a cover body, and air inlet holes are evenly arranged on the cover body. Gas can be introduced into the interior of the five-layer metal sintered mesh through the air inlet holes, and the gas can be filtered through the five-layer metal sintered mesh.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: gas can be introduced into the interior of the five-layer metal sintered mesh through the air inlet hole, the gas can be filtered through the five-layer metal sintered mesh, the air filter element can be installed more tightly through the rubber sealing ring, and the device is more secure by being integrally connected to the end cover and the bottom cover through the support screw and the connecting nut. When replacing the five-layer metal sintered mesh, the support screw and the connecting nut are separated by reverse spiraling, and then the old five-layer metal sintered mesh is removed and replaced with a new five-layer metal sintered mesh, and then the support screw and the connecting nut are connected to complete the assembly. The air filter element with replaceable filter layers has a simple structure and is easy to operate. It can facilitate the replacement of the filter layer of the filter element, thereby facilitating the recycling of the filter element and providing convenience for people. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the end cover structure of the utility model.

[0011] In the figure: 1 rubber sealing ring, 2 five-layer metal sintered mesh, 3 support screw, 4 rubber sealing ring II, 5 bottom cover, 6 connecting nut, 7 end cover, 71 cover body, 72 air inlet hole. DETAILED DESCRIPTION

[0012] The following will be combined with the 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.

[0013] See also Figure 1-2The utility model provides a technical solution: an air filter element with replaceable filter layers, comprising five layers of metal sintered mesh 2, a support screw 3, a rubber sealing ring 4, a bottom cover 5, a connecting nut 6 and an end cover 7. The end cover 7 corresponds to the bottom cover 5 on the left and right. A support screw 3 is fixed to the center of one side of the end cover 7. A connecting nut 6 corresponding to the support screw 3 is fixed to the center of one side of the bottom cover 5. One end of the support screw 3 is connected to the connecting nut 6 by a threaded connection, and five layers of metal sintered mesh 2 are fixed between the end cover 7 and the bottom cover 5. The support screw 3 is integrally connected to the end cover 7, and the connecting nut 6 is integrally connected to the bottom cover 5. The device is more secure by respectively connecting the support screw 3 and the connecting nut 6 to the end cover 7 and the bottom cover 5. The end cover 7 is provided with a ring on the side opposite to the bottom cover 5. shaped groove, a rubber sealing ring 1 is provided inside the annular groove, and the rubber sealing ring 1 makes the air filter element more tightly installed. The end cover 7 includes a cover body 71, and the cover body 71 is evenly provided with air inlet holes 72. The gas can be introduced into the interior of the five-layer metal sintered mesh 2 through the air inlet holes 72, and the gas can be filtered through the five-layer metal sintered mesh 2. When replacing the five-layer metal sintered mesh 2, the support screw 3 and the connecting nut 6 are separated by the reverse spiral, and then the old five-layer metal sintered mesh 2 is removed and replaced with a new five-layer metal sintered mesh 2, and then the support screw 3 and the connecting nut 6 are connected to complete the assembly. The air filter element with replaceable filter layer has a simple structure and is easy to operate. It can facilitate the replacement of the filter layer of the filter element, thereby facilitating the recycling of the filter element and providing convenience for people.

[0014] During use: gas can be introduced into the interior of the five-layer metal sintered mesh 2 through the air inlet hole 72, and the gas can be filtered by the five-layer metal sintered mesh 2. The rubber sealing ring 1 makes the air filter element more tightly installed. The support screw 3 and the connecting nut 6 are respectively connected to the end cover 7 and the bottom cover 5 as a whole to make the device more secure. When replacing the five-layer metal sintered mesh 2, the support screw 3 and the connecting nut 6 are separated by reverse spiraling, and then the old five-layer metal sintered mesh 2 is removed and replaced with a new five-layer metal sintered mesh 2, and then the support screw 3 and the connecting nut 6 are connected to complete the assembly.

[0015] Although the 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 these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An air filter element with a replaceable filter layer, comprising five layers of metal sintered mesh (2), a support screw (3), a second rubber sealing ring (4), a bottom cover (5), a connecting nut (6) and an end cover (7), characterized in that: The end cover (7) corresponds to the bottom cover (5) on the left and right, a support screw (3) is fixed at the center of one side of the end cover (7), a connecting nut (6) corresponding to the support screw (3) is fixed at the center of one side of the bottom cover (5), one end of the support screw (3) is connected to the connecting nut (6) by a threaded connection, and five layers of metal sintered mesh (2) are fixed between the end cover (7) and the bottom cover (5).

2. The air filter element with a replaceable filter layer according to claim 1, characterized in that: The support screw (3) is integrally connected to the end cover (7), and the connecting nut (6) is integrally connected to the bottom cover (5).

3. The air filter element with a replaceable filter layer according to claim 1, characterized in that: An annular groove is provided on the side of the end cover (7) opposite to the bottom cover (5), and a rubber sealing ring (1) is provided inside the annular groove.

4. The air filter element with a replaceable filter layer according to claim 1, characterized in that: The end cover (7) comprises a cover body (71), and air inlet holes (72) are evenly arranged on the cover body (71).

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