Plate-type primary filter convenient to clean

Abstract

The utility model discloses a plate-type primary filter convenient to clean, which relates to the technical field of primary filters and comprises a frame and an upper frame, the frame is a U-shaped metal frame, filter element grooves are arranged on frame sections on two sides of the frame, and protrusions corresponding to the filter element grooves are arranged on the inner side of the upper frame. An upper pressing plate and a lower pressing plate are detachably installed in the filter element grooves in the two sides, a wrinkle-shaped filter element is pressed between the upper pressing plate and the lower pressing plate, the two sides of the wrinkle-shaped filter element are wrinkled, and the bottom of the upper pressing plate and the top of the lower pressing plate are both in a W shape. According to the utility model, the fold-shaped filter element is pressed by the upper pressing plate and the lower pressing plate and then is mounted in the frame in an embedded manner, so that the structure is simple, the disassembly is convenient, and the primary filter can be cleaned only by disassembling the corresponding filter elements when the primary filter needs to be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of primary filter, in particular to a plate-type primary filter which is easy to clean. Background Art

[0002] The primary filter is the primary filter of the air-conditioning system, mainly used to filter dust particles larger than 5μm. There are three types of primary filters: plate type, folding type and bag type. The primary filter is suitable for primary filtration, mainly used to filter dust particles larger than 5μm. There are three types of primary filters: plate type, folding type and bag type.

[0003] The Chinese utility model patent with application number 2023201842783 discloses that the utility model relates to the field of filter technology, and discloses a plate-type primary filter. The utility model is provided with an outer frame, a support column, a second groove, a support ring, a spring, a protective net, a first hemispherical block, a vertical plate, a second hemispherical block, a transverse plate and a rectangular block. When the transverse plate moves horizontally on the outer frame, the first hemispherical block, the second hemispherical block and the spring cooperate to make the support ring vibrate back and forth, and the dust on the protective net falls off. The installation of the parts of this equipment is relatively complicated, and the dust and foreign matter that have been accumulated for a long time are difficult to remove by vibration. Most other types of primary filters on the market fix the filter element to the frame by gluing, which is also difficult to clean. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a plate-type primary filter that is easy to clean.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A plate-type primary filter that is easy to clean, includes a frame and an upper frame, the frame is a U-shaped metal frame, filter element grooves are opened on the frame cross-sections on both sides of the frame, and the inner side of the upper frame has protrusions corresponding to the filter element grooves. Upper and lower pressure plates can be detachably installed in the filter element grooves on both sides, and a pleated filter element is pressed between the upper and lower pressure plates. The pleats on both sides of the pleated filter element, the bottom of the upper pressure plate and the top of the lower pressure plate are all W-shaped.

[0007] As a further solution of the utility model: metal mesh grooves are provided on the frame cross sections on both sides of the frame, and metal meshes are detachably installed in the metal mesh grooves.

[0008] As a further solution of the utility model: screw holes are opened on the four sides of the top of the frame, and the metal mesh is detachably installed on the frame through the screw holes.

[0009] As a further solution of the utility model: the tops of the lower pressing plates on both sides are fixedly connected by a circular connecting rod, and a circular hole is opened at the corresponding position of the upper pressing plate. After the upper pressing plate and the lower pressing plate are pressed together, the circular connecting rod is coupled in the circular hole.

[0010] As a further solution of the utility model: the coupling surfaces at the bottom of the upper pressing plate and the top of the lower pressing plate are fixedly mounted with magnetic blocks that attract each other.

[0011] As a further solution of the utility model: a press rebounder is fixedly installed at the bottom of the filter element slot of the two side frames.

[0012] The beneficial effects of the utility model are as follows: the utility model presses a pleated filter element together with an upper pressing plate and a lower pressing plate and then embeds the filter element in a frame, has a simple structure and is easy to disassemble; when cleaning is required, the primary filter can be cleaned by simply disassembling the corresponding filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings.

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

[0015] Figure 2 It is a schematic diagram of the structure of each internal component of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the upper pressing plate and the lower pressing plate of the utility model;

[0017] Figure 4 It is a schematic diagram of the side structure of the upper pressing plate and the lower pressing plate of the utility model;

[0018] In the figure: 1. frame; 2. upper frame; 3. metal mesh; 4. pleated filter element; 5. upper pressure plate; 6. lower pressure plate; 7. round connecting rod; 8. metal mesh slot; 9. filter element slot; 10. round hole; 11. press rebounder. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4As shown: a plate-type primary filter that is easy to clean, including a frame 1 and an upper frame 2, the frame 1 is a U-shaped metal aluminum alloy frame, the frame sections on both sides of the frame 1 are provided with filter element slots 9, the inner side of the upper frame 2 has protrusions corresponding to the filter element slots 9, and after the protrusions of the upper frame 2 are inserted into the filter element slots 9 and covered, a complete frame structure is formed, the filter element slots 9 on both sides are detachably installed with an upper pressing plate 5 and a lower pressing plate 6, and a pleated filter element 4 is pressed between the upper pressing plate 5 and the lower pressing plate 6, and the filter element material is folded and loaded into a high-strength die-cut cardboard. Common filter materials include chemical fiber non-woven fabrics, glass fiber filter materials, and chemical fiber glass fiber filter materials. Different filter element materials can be selected according to different application scenarios. The pleats on both sides of the pleated filter element 4, the bottom of the upper pressing plate 5, and the top of the lower pressing plate 6 are all W-shaped. The conventional primary filter is coated with glue on both sides of the pleated filter element 4 and then glued to the metal frame. Since the pleated filter element 4 has an irregular shape, the glue structure cannot be completely sealed. At the same time, the glue is troublesome and difficult to clean when replacing the filter element.

[0021] When the upper pressing plate 5 is combined with the lower pressing plate 6 to press the pleated filter element 4, it can be inserted into the filter element groove 9 opened on the frame cross section on both sides of the frame 1. In order to further ensure that the upper pressing plate 5 is pressed tightly together with the lower pressing plate 6, the tops of the lower pressing plates 6 on both sides can be fixedly connected to each other through circular connecting rods 7. The circular connecting rods 7 can also support the pleated filter element 4. The corresponding position of the upper pressing plate 5 is provided with a circular hole 10. After the upper pressing plate 5 and the lower pressing plate 6 are pressed together, the circular connecting rod 7 is coupled in the circular hole 10 for clamping. Alternatively, the coupling surfaces at the bottom of the upper pressing plate 5 and the top of the lower pressing plate 6 are fixedly installed with magnetic blocks that attract each other. The magnetic blocks can also be firmly fixed by the suction force between them.

[0022] At the same time, in order to protect the primary filter and filter larger debris, metal mesh slots 8 are provided on the frame sections on both sides of the frame 1, and metal mesh 3 can be inserted into the metal mesh slots 8. In addition, screw holes can be provided around the top of the frame 1, and corresponding screw holes can be provided around the metal mesh 3, and the metal mesh 3 can be detachably installed between the frame 1 and the metal mesh 3 through the screw holes.

[0023] To further facilitate disassembly, a press rebounder 11 is fixedly installed at the bottom of the filter element groove 9 of the two side frames 1. When the filter element needs to be removed, the upper frame 2 can be opened and the upper pressure plate 5 and the lower pressure plate 6 can be pressed toward the inside of the frame 1. Under the action of the press rebounder 11, the entire pleated filter element 4 component can be easily popped out.

[0024] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A plate-type primary filter that is easy to clean, comprising a frame (1) and an upper frame (2), characterized in that: The frame (1) is a U-shaped metal frame. Filter element grooves (9) are opened on the frame cross sections on both sides of the frame (1). The inner side of the upper frame (2) has a protrusion corresponding to the filter element groove (9). The upper pressure plate (5) and the lower pressure plate (6) are detachably installed in the filter element grooves (9) on both sides. A pleated filter element (4) is pressed between the upper pressure plate (5) and the lower pressure plate (6). The pleats on both sides of the pleated filter element (4), the bottom of the upper pressure plate (5) and the top of the lower pressure plate (6) are all W-shaped.

2. The plate-type primary filter that is easy to clean according to claim 1, characterized in that: Metal mesh grooves (8) are also provided on the frame cross sections on both sides of the frame (1), and the metal mesh (3) is detachably installed in the metal mesh grooves (8).

3. The plate-type primary filter that is easy to clean according to claim 1, characterized in that: Screw holes are provided around the top of the frame (1), and a metal mesh (3) is detachably mounted on the frame (1) through the screw holes.

4. A plate-type primary filter that is easy to clean according to claim 2 or 3, characterized in that: The tops of the lower pressing plates (6) on both sides are fixedly connected by a circular connecting rod (7), and a circular hole (10) is opened at a corresponding position of the upper pressing plate (5). After the upper pressing plate (5) and the lower pressing plate (6) are pressed together, the circular connecting rod (7) is coupled in the circular hole (10).

5. A plate-type primary filter that is easy to clean according to claim 2 or 3, characterized in that: The coupling surfaces at the bottom of the upper pressing plate (5) and the top of the lower pressing plate (6) are fixedly mounted with magnetic blocks that attract each other.

6. The plate-type primary filter that is easy to clean according to claim 1, characterized in that: A pressing rebounder (11) is fixedly installed at the bottom of the filter element slot (9) on both sides of the frame (1).

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