Air filter element with filter paper convenient to replace

Abstract

The utility model provides an air filter element convenient to replace filter paper, which is applied to the field of air filter elements, and adopts the technical scheme that the air filter element comprises a frame plate, a wave-shaped sliding chute is formed in the frame plate, and the sliding chute penetrates through one end of the frame plate to form a material passing port for the filter paper to enter and exit; the assembling component is slidably assembled in the sliding chute and is used for fixing one end of filter paper; the limiting assembly is detachably fixed to the end, away from the assembling assembly, of the filter paper and cannot pass through the material passing opening; the locking assembly is used for fixing the assembling assembly on the frame plate after the assembling assembly moves to one end far away from the material passing opening; the filter has the technical effects that the filter paper can be conveniently and independently replaced, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of air filter element, in particular to an air filter element convenient to replace filter paper. BACKGROUND

[0002] Air filter element is the device for filtering air to improve air quality, is widely used in air conditioning, ventilation system and other equipment that need to adjust air quality.

[0003] The Chinese patent application with the publication number CN104923000A discloses an air filter element device, which comprises four edge frames arranged in a rectangle and filter cotton arranged in the four edge frames. The four edge frames comprise two first edge frames and two second edge frames. The first edge frames and the second edge frames are connected by connecting angle codes. The filter cotton is longitudinally folded to form a wave-shaped structure. The left end and the right end of the filter cotton are fixedly connected to the inner side surfaces of the two second edge frames. The front surface and the back surface of the wave-shaped structure are connected with transversely arranged positioning and stretching belts. Each wave crest and wave trough of the wave-shaped structure is fixedly connected with the positioning and stretching belts.

[0004] The air filter element device disclosed in the prior art discloses the basic structure of most air filter elements. According to the description, the filter cotton (i.e. filter paper) is fixed between the four edge frames and the positioning and stretching belts. The filter cotton is not easy to disassemble. Therefore, when the filter paper needs to be replaced regularly, the air filter element needs to be replaced as a whole, which is high in use cost. The present inventor aims to provide a technical solution to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an air filter element convenient to replace filter paper, which has the advantages of convenient individual replacement of filter paper and reduced use cost.

[0006] To achieve the above object and other related objects, the utility model provides the following technical scheme: an air filter element convenient to replace filter paper, which comprises:

[0007] A frame plate, which is provided with a wave-shaped sliding groove and a material outlet formed by the fact that the sliding groove penetrates one end of the frame plate.

[0008] An assembly component, which is slidably assembled in the sliding groove and used to fix one end of the filter paper.

[0009] A limiting component, which is detachably fixed to the other end of the filter paper away from the assembly component and cannot pass through the material outlet.

[0010] A locking component, which is used to fix the assembly component on the frame plate after the assembly component moves to the other end away from the material outlet.

[0011] By the above technical scheme, when the filter paper needs to be replaced, the limiting assembly is pulled to pull out the filter paper together with the assembly assembly from the filter port, the limiting assembly and the assembly assembly are disassembled from the filter paper, then a new filter paper is installed on the limiting assembly and the assembly assembly, then the assembly assembly is put into the sliding groove again, the assembly assembly is slid along the sliding groove, so that the filter paper is reassembled into the frame plate, and the locking assembly fixes the assembly assembly after the assembly assembly moves to the bottom, so that the filter paper is fixed in the frame plate, and the replacement of the filter paper is completed. Since the remaining structures except the filter paper do not need to be replaced, the use cost is lower.

[0012] In an embodiment of the present application, the assembly assembly comprises: a sliding block slidingly assembled in the sliding groove; a fixed strip fixed to the sliding block; a compression strip, the filter paper passing between the fixed strip and the compression strip; and a first compression member, the compression strip being subjected to a compression force directed to the fixed strip to compress and fix the filter paper together with the fixed strip.

[0013] By the above technical scheme, when the filter paper is installed, the filter paper is placed between the fixed strip and the compression strip, and then the fixed strip and the compression strip are locked by the first compression member to complete the fixation of the filter paper. Then, the sliding block is placed in the sliding groove and slid to the end of the sliding groove to complete the installation of the filter paper. The installation is fast and convenient.

[0014] In an embodiment of the present application, the first compression member is a first bolt.

[0015] By the above technical scheme, the first bolt locks and fixes the fixed strip and the compression strip.

[0016] In an embodiment of the present application, the limiting assembly comprises: a limiting rod and a compression sheet, the width of the limiting rod being greater than the width of the material port, the filter paper passing between the limiting rod and the compression sheet; and a second compression member, the compression sheet being subjected to a compression force directed to the limiting rod to compress and fix the filter paper together with the limiting rod.

[0017] By the above technical scheme, when the filter paper is fixed, the filter paper is placed between the limiting rod and the compression sheet, and then the limiting rod and the compression sheet are locked and fixed by the second compression member. The limiting rod cannot enter the material port, so that the limiting rod is pulled to pull out the filter paper when the filter paper is replaced.

[0018] In an embodiment of the present application, the second compression member is a second bolt.

[0019] By the above technical scheme, the second bolt locks and fixes the limiting rod and the compression sheet.

[0020] In an embodiment of the utility model, the locking assembly includes: a stopper hinged to the frame plate, the stopper switches between a limiting angle and a giving angle, when at the limiting angle, the stopper is on the sliding path of the assembly component, limiting and fixing the assembly component on the sliding groove, when at the giving angle, the limiting assembly can slide along the sliding groove; and a fixing member, fixing the stopper at the limiting angle.

[0021] Through the above technical scheme, when the assembly component moves to the end of the sliding groove, the stopper is rotated to the limiting angle, and then fixed by the fixing member, the stopper limits the movement of the assembly component, thereby fixing the limiting assembly and the filter paper.

[0022] In an embodiment of the utility model, the fixing member is a fixed screw.

[0023] Through the above technical scheme, the stopper is fixed by the fixed screw.

[0024] In an embodiment of the utility model, it further includes a plurality of support rods fixed to the frame plate, supporting the filter paper to maintain a wave shape during operation.

[0025] Through the above technical scheme, the support rods support the filter paper to maintain a wave shape.

[0026] As described above, the air filter core with filter paper replacement convenience of the utility model has the following beneficial effects:

[0027] When the filter paper needs to be replaced, pull the limiting assembly, pull out the filter paper together with the assembly component from the filter port, after disassembling the limiting assembly and the assembly component from the filter paper, install a new filter paper on the limiting assembly and the assembly component, then put the assembly component back into the sliding groove, slide the assembly component along the sliding groove, thereby reassembling the filter paper into the frame plate, after the assembly component moves to the bottom, the locking assembly fixes the assembly component, thereby fixing the filter paper in the frame plate, and then completing the replacement of the filter paper. Since the remaining structures except the filter paper do not need to be replaced, the use cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The frame plate of the air filter core with filter paper replacement convenience disclosed in the embodiment of the utility model is shown as a structural schematic view.

[0029] Figure 2 The frame plate of the air filter core with filter paper replacement convenience disclosed in the embodiment of the utility model is shown as a structural schematic view. Figure 1 The enlarged schematic view of part A.

[0030] Figure 3 The filter paper fixing structure of the air filter core with filter paper replacement convenience disclosed in the embodiment of the utility model is shown as a schematic view.

[0031] Explanation of technical feature labels in the drawings:

[0032] 1, frame plate; 2, sliding groove; 3, material passing port; 4, assembly component; 5, limiting component; 6, locking component; 7, supporting rod; 41, sliding block; 42, fixed strip; 43, pressing strip; 44, first pressing member; 51, limiting rod; 52, pressing piece; 53, second pressing member; 61, stop block; 62, fixing member. DETAILED DESCRIPTION

[0033] The implementation of the present application will be illustrated by specific embodiments below, and other advantages and effects of the present application can be easily understood by those skilled in the art according to the disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0034] Please refer to Figure 1 The present application provides an air filter element with filter paper convenient to replace, comprising:

[0035] A frame body includes four frame plates 1 fixed at the head and tail, and a baffle fixed at both ends of the frame plates 1. The frame body forms a cavity for accommodating filter paper. A pair of oppositely arranged frame plates 1 are symmetrically provided with a wave-shaped sliding groove 2. The sliding groove 2 penetrates one end of the frame plate 1 to form a material passing port 3 for the filter paper to pass in and out.

[0036] Please refer to Figure 1 and Figure 3 The assembly component 4 is slidably assembled in the sliding groove 2 to fix one end of the filter paper. The assembly component 4 includes a sliding block 41 slidably assembled in the sliding groove 2, a fixed strip 42 fixed on the sliding block 41, a pressing strip 43, the filter paper passing between the fixed strip 42 and the pressing strip 43, and a first pressing member 44 applying a pressing force to the pressing strip 43 towards the fixed strip 42 to press and fix the filter paper by cooperation of the pressing strip 43 and the fixed strip 42. The first pressing member 44 is a first bolt.

[0037] Please refer to Figure 1 and Figure 3 The limiting component 5 is detachably fixed to the end of the filter paper away from the assembly component 4 and cannot pass through the material passing port 3. The limiting component 5 includes a limiting rod 51 and a pressing piece 52. The width of the limiting rod 51 is greater than the width of the material passing port 3, and the filter paper passes between the limiting rod 51 and the pressing piece 52. The second pressing member 53 applies a pressing force to the pressing piece 52 towards the limiting rod 51 to press and fix the filter paper by cooperation of the limiting rod 51 and the pressing piece 52. The second pressing member 53 is a second bolt. The second pressing member 53 is arranged in pairs, and the filter paper passes between the two second pressing members 53, thereby enhancing the strength of the filter paper fixation.

[0038] Please refer to Figure 1 and Figure 2The locking assembly 6 comprises a stopper 61 hinged to the frame plate 1, the stopper 61 is switched between a limiting angle and a releasing angle, when the stopper 61 is located at the limiting angle, the stopper 61 is located on the sliding path of the sliding block 41 and limits the sliding block 41 to be fixed at the end of the sliding groove 2, when the stopper 61 is located at the releasing angle, the limiting assembly 5 can slide along the sliding groove 2, and a fixing member 62 is arranged on the frame plate 1 and used for fixing the stopper 61 at the limiting angle, the fixing member 62 is a fixing screw, a threaded hole matched with the fixing screw is pre-formed on the frame plate 1, and the fixing screw is screwed and fixed on the frame plate 1, so that the stopper 61 is fixed, and when the stopper 61 needs to be rotated to the releasing angle, the fixing screw is only needed to be disassembled.

[0039] Please refer to Figure 1 The supporting rods 7 are arranged in two rows and are arranged in a staggered mode and correspond to the wave crests and wave troughs of the filter paper respectively, the supporting rods 7 support the filter paper and enhance the stability of the filter paper.

[0040] When the filter paper needs to be replaced, the limiting assembly 5 is pulled, the filter paper and the assembly assembly 4 are pulled out of the filter port, the limiting assembly 5 and the assembly assembly 4 are disassembled from the filter paper, a new filter paper is installed on the limiting assembly 5 and the assembly assembly 4, then the assembly assembly 4 is re-placed into the sliding groove 2, the assembly assembly 4 is slid along the sliding groove 2, so that the filter paper is re-assembled into the frame plate 1, when the assembly assembly 4 moves to the bottom, the locking assembly 6 fixes the assembly assembly 4, so that the filter paper is fixed in the frame plate 1, and the replacement of the filter paper is completed, since the rest of the structure except the filter paper does not need to be replaced, the use cost is lower.

[0041] The above embodiment only exemplarily illustrates the principle and effect of the utility model and is not used for limiting the utility model. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. An air filter cartridge facilitating replacement of filter paper, characterized by, The application relates to a filter frame, which comprises the following components: a frame plate (1) provided with a wave-shaped sliding groove (2) and a material passing port (3) formed at one end of the frame plate (1) and passing through the sliding groove (2); a sliding assembly (4) slidably assembled in the sliding groove (2) and used for fixing one end of a filter paper; a limiting assembly (5) detachably fixed to the other end of the filter paper and unable to pass through the material passing port (3); and a locking assembly (6) used for fixing the sliding assembly (4) on the frame plate (1) after the sliding assembly (4) moves to the other end away from the material passing port (3). The sliding assembly (4) comprises a sliding block (41) slidably assembled in the sliding groove (2), a fixed strip (42) fixed to the sliding block (41), a pressing strip (43) through which the filter paper passes between the fixed strip (42) and the pressing strip (43), and a first pressing member (44) used for applying a pressing force to the pressing strip (43) and making the pressing strip (43) and the fixed strip (42) cooperate to press and fix the filter paper. The first pressing member (44) is a first bolt. The limiting assembly (5) comprises a limiting rod (51) and a pressing piece (52), the width of the limiting rod (51) is greater than that of the material passing port (3), the filter paper passes between the limiting rod (51) and the pressing piece (52), and a second pressing member (53) is used for applying a pressing force to the pressing piece (52) and making the limiting rod (51) and the pressing piece (52) cooperate to press and fix the filter paper. The second pressing member (53) is a second bolt.

2. The air filter cartridge of claim 1, wherein, The locking assembly (6) comprises a stop block (61) hinged to the frame plate (1), the stop block (61) is switched between a limiting angle and a releasing angle, when the stop block (61) is located at the limiting angle, the stop block (61) is located on the sliding path of the sliding assembly (4) and limits and fixes the sliding assembly (4) on the sliding groove (2), when the stop block (61) is located at the releasing angle, the limiting assembly (5) can slide along the sliding groove (2), and a fixing member (62) is used for fixing the stop block (61) at the limiting angle.

3. The air filter cartridge of claim 2, wherein, The fixing member (62) is a fixing screw.

4. The air filter cartridge of claim 1, wherein, The application further comprises a plurality of supporting rods (7) fixed to the frame plate (1) and used for supporting the filter paper and making the filter paper maintain a wave shape during operation.

5. The air filter cartridge of claim 4, wherein, ​ 6. The air filter cartridge of claim 1, wherein, ​ 7. The air filter cartridge of claim 6, wherein, ​ 8. The air filter cartridge of any of claims 1-7, wherein, ​

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