Filter element convenient to disassemble and assemble

Abstract

The filter element comprises an upper side cover and a lower side cover, an inner filter cylinder and an outer filter cylinder are arranged between the upper side cover and the lower side cover, the outer filter cylinder is arranged on the outer side of the inner filter cylinder in a sleeved mode, and inserting rings are arranged on the upper side and the lower side of the inner filter cylinder and the upper side and the lower side of the outer filter cylinder respectively. Annular inserting grooves are formed in the positions, corresponding to the inserting rings, of the opposite sides of the upper side cover and the lower side cover respectively, a plurality of through holes are formed in the position, corresponding to the inner filter cylinder, of the middle of the lower side face of the upper side cover, the number of the through holes is four, the through holes are arranged in an annular array, and air inlets communicated with the through holes are formed in the positions, corresponding to the through holes, of the middle of the upper side face of the upper side cover. A connecting block capable of being connected with a filter is arranged on the upper side surface of the upper side cover 1 corresponding to the air inlet, and a fixing structure is movably arranged in the middle of the lower side cover and can penetrate through the inner filter cylinder to be fixedly connected with the upper side cover; the inner filter cylinder and the outer filter cylinder are inserted into the annular inserting groove through the inserting ring, and the upper side cover and the lower side cover are fixedly connected through the fixing structure, so that the filter element is quickly disassembled and assembled, and the filter element is convenient, quick and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of air filters, in particular to a filter element which is easy to assemble and disassemble. Background Art

[0002] An air filter is a device that captures dust from gas-solid two-phase flow through porous filter materials and purifies the gas. It purifies low-dust air and delivers it indoors to ensure the process requirements of clean rooms and the air cleanliness of general air-conditioned rooms.

[0003] When users purify the air, they need to use an air filter. After using the filter for a period of time, the filter element needs to be replaced. The replaced filter element needs to be disassembled and cleaned.

[0004] The existing air filter element is laborious and time-consuming to assemble and disassemble, and it is inconvenient for users to assemble and disassemble the filter element. Therefore, there is an urgent need for a filter element that is easy to assemble and disassemble to solve the above problems. Utility Model Content

[0005] In view of the above technical problems in the prior art, the present invention provides a filter element that is easy to disassemble and assemble, aiming to solve the above problems.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A filter element that is easy to disassemble and assemble, comprises an upper side cover and a lower side cover, an inner filter cartridge and an outer filter cartridge are provided between the upper side cover and the lower side cover, the outer filter cartridge is sleeved on the outside of the inner filter cartridge, and plug-in rings are respectively provided on the upper and lower sides of the inner filter cartridge and the outer filter cartridge, and annular plug-in grooves are respectively opened at the corresponding plug-in rings on the side opposite to the lower side cover, a plurality of through holes are provided in the middle part of the lower side surface of the upper side cover corresponding to the inner filter cartridge, an air inlet connected with the plurality of through holes is provided in the middle part of the upper side surface of the upper side cover corresponding to the multiple through holes, and a fixing structure is movably provided in the middle part of the lower side cover, and the fixing structure can pass through the inner filter cartridge and be fixedly connected to the upper side cover.

[0008] Preferably, the fixing structure includes a fixing rod vertically arranged in the middle of the upper side surface of the lower side cover, the lower end of the fixing rod passes through the lower side cover and extends to its lower side, the fixing rod is rotatably connected to the lower side cover, and a knob is fixed to one end of the fixing rod on the lower side of the lower side cover, a threaded connector is provided at the upper end of the fixing rod, and a threaded hole that can be threadedly connected to the threaded connector is opened at the lower side surface of the upper side cover corresponding to the threaded connector.

[0009] Preferably, a clearance groove is provided on the lower side surface of the lower cover corresponding to the knob.

[0010] Preferably, a plurality of support rods are vertically fixed on the lower side of the upper cover, and the plurality of support rods are located between the inner filter cartridge and the outer filter cartridge and are arranged in a circular array. Insertion holes are respectively opened on the upper side of the lower cover corresponding to the plurality of support rods.

[0011] Preferably, there are four through holes, which are arranged in a ring array.

[0012] Preferably, a connection block that can be connected to the filter is provided on the upper side surface of the upper cover corresponding to the air inlet.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model provides a filter element that is easy to disassemble and assemble. When disassembling, the knob on the lower side of the lower cover is rotated in the opposite direction, thereby driving the threaded connector on the top of the fixing rod to screw out the upper cover under the limit of multiple support rods. After removing the upper cover, the inner filter cartridge and the outer filter cartridge can be easily removed for cleaning. When installing after cleaning is completed, the inner filter cartridge and the outer filter cartridge are inserted into the annular plug-in groove of the lower cover, and then the support rod of the upper cover is vertically downwardly inserted into the plug-in hole, and at the same time, the plug-in rings on the upper sides of the inner filter cartridge and the outer filter cartridge are inserted into the annular plug-in groove of the upper cover to fix the inner filter cartridge and the outer filter cartridge. At the same time, the multiple support rods are arranged in a ring array, which increases the stability after connection. Disassembly and assembly saves time and effort, is convenient and fast, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front cross-sectional view of a filter element that is easy to disassemble and assemble according to the utility model;

[0016] Figure 2 This is a top sectional view of a filter element that is easy to disassemble and assemble according to the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the through-hole structure of the upper side plate of the filter element which is easy to disassemble and assemble.

[0018] In the figure: 1. Upper side cover; 11. Through hole; 12. Air inlet; 13. Threaded hole; 14. Connecting block; 2. Lower side cover; 21. Gap groove; 22. Insertion hole; 3. Inner filter cartridge; 4. Outer filter cartridge; 5. Plug-in ring; 6. Annular plug-in groove; 7. Fixing structure; 71. Fixing rod; 72. Knob; 73. Threaded connector; 74. Support rod. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The filter element of the present invention is characterized in that: it is a filter element that is easy to disassemble and assemble, comprises an upper side cover 1 and a lower side cover 2, an inner filter cartridge 3 and an outer filter cartridge 4 are arranged between the upper side cover 1 and the lower side cover 2, and the outer filter cartridge 4 is sleeved on the outer side of the inner filter cartridge 3, and an inserting ring 5 is respectively provided on the upper and lower sides of the inner filter cartridge 3 and the outer filter cartridge 4. An annular inserting groove 6 is respectively opened at the inserting ring 5 on the side opposite to the upper side cover 1 and the lower side cover 2. A plurality of through holes 11 are provided in the middle of the lower side surface of the upper side cover 1 corresponding to the inner filter cartridge 3. There are four through holes 11 and are arranged in an annular array. An air inlet 12 is provided in the middle of the upper side cover 1 corresponding to the plurality of through holes 11 connected thereto. A connecting block 14 that can be connected to the filter is provided on the upper side cover 1 corresponding to the air inlet 12. A fixing structure 7 is movably provided in the middle of the lower side cover 2, and the fixing structure 7 can pass through the inner filter cartridge 3 and be fixedly connected to the upper side cover 1;

[0021] The inner filter cartridge 3 and the outer filter cartridge 4 are inserted into the annular plug-in groove 6 through the plug-in ring 5, and the upper cover 1 and the lower cover 2 are fixedly connected through the fixing structure 7, thereby realizing the rapid disassembly and assembly of the filter element, which is convenient, fast and practical.

[0022] In another embodiment, see Figure 1-3 The fixing structure 7 includes a fixing rod 71 vertically arranged in the middle of the upper side of the lower side cover 2. The lower end of the fixing rod 71 passes through the lower side cover 2 and extends to the lower side thereof. The fixing rod 71 is rotatably connected to the lower side cover 2. A knob 72 is fixed to one end of the fixing rod 71 on the lower side of the lower side cover 2. A clearance groove 21 is provided on the lower side of the lower side cover 2 corresponding to the knob 72. A threaded connection head 73 is provided on the upper end of the fixing rod 71. A threaded hole 13 for threaded connection therewith is provided on the lower side of the upper side cover 1 corresponding to the threaded connection head 73.

[0023] At the same time, a plurality of support rods 74 are vertically fixed on the lower side of the upper cover 1. The plurality of support rods 74 are located between the inner filter cartridge 3 and the outer filter cartridge 4 and are arranged in a circular array. Insertion holes 22 are respectively opened on the upper side of the lower cover 2 corresponding to the plurality of support rods 74.

[0024] When disassembling, by rotating the knob 72 on the lower side of the lower side cover 2 in the opposite direction, the threaded connector 73 on the top of the fixing rod 71 is driven to unscrew the upper side cover 1 under the limit of multiple support rods 74. After removing the upper side cover 1, the inner filter cartridge 3 and the outer filter cartridge 4 can be easily removed for cleaning; when installing after cleaning is completed, the inner filter cartridge 3 and the outer filter cartridge 4 are inserted into the annular plug-in groove 6 of the lower side cover 2, and then the support rod 74 of the upper side cover 1 is vertically downwardly inserted into the insertion hole 22, and at the same time, the plug-in ring 5 on the upper side of the inner filter cartridge 3 and the outer filter cartridge 4 is inserted into the annular plug-in groove 6 of the upper side cover to fix the inner filter cartridge 3 and the outer filter cartridge 4. At the same time, multiple support rods 74 are arranged in a circular array to increase stability after connection.

[0025] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0026] In the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood 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, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter element that is easy to disassemble and assemble, comprising an upper cover (1) and a lower cover (2), wherein an inner filter cartridge (3) and an outer filter cartridge (4) are provided between the upper cover (1) and the lower cover (2), wherein the outer filter cartridge (4) is sleeved on the outer side of the inner filter cartridge (3), and characterized in that: The inner filter cartridge (3) and the outer filter cartridge (4) are provided with plug-in rings (5) on the upper and lower sides respectively; an annular plug-in groove (6) is provided at the plug-in ring (5) on the side of the upper cover (1) opposite to the lower cover (2); a plurality of through holes (11) are provided at the middle of the lower side surface of the upper cover (1) corresponding to the inner filter cartridge (3); an air inlet (12) communicating with the plurality of through holes (11) is provided at the middle of the upper side surface of the upper cover (1); a fixed structure (7) is movably provided at the middle of the lower cover (2); the fixed structure (7) can pass through the inner filter cartridge (3) and be fixedly connected to the upper cover (1).

2. A filter element that is easy to assemble and disassemble according to claim 1, characterized in that: The fixing structure (7) comprises a fixing rod (71) vertically arranged in the middle of the upper side of the lower side cover (2); the lower end of the fixing rod (71) passes through the lower side cover (2) and extends to the lower side thereof; the fixing rod (71) is rotatably connected to the lower side cover (2); a knob (72) is fixedly provided at one end of the fixing rod (71) on the lower side of the lower side cover (2); a threaded connector (73) is provided at the upper end of the fixing rod (71); and a threaded hole (13) for threaded connection therewith is provided at a position on the lower side of the upper side cover (1) corresponding to the threaded connector (73).

3. The filter element that is easy to disassemble and assemble according to claim 2, characterized in that: A clearance groove (21) is provided on the lower side surface of the lower cover (2) at a position corresponding to the knob (72).

4. The filter element that is easy to assemble and disassemble according to claim 2, characterized in that: A plurality of support rods (74) are vertically fixed on the lower side of the upper cover (1), and the plurality of support rods (74) are located between the inner filter cartridge (3) and the outer filter cartridge (4) and are arranged in a circular array. Insertion holes (22) are respectively opened on the upper side of the lower cover (2) corresponding to the plurality of support rods (74).

5. The filter element that is easy to assemble and disassemble according to claim 1, characterized in that: There are four through holes (11) arranged in a ring array.

6. The filter element that is easy to assemble and disassemble according to claim 1, characterized in that: A connection block (14) that can be connected to a filter is provided on the upper side surface of the upper cover (1) corresponding to the air inlet (12).

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