Air filter easy to maintain

Abstract

The utility model provides an air filter easy to maintain, relates to air filter technical field, including body and filter screen, the filter screen is inserted in the body, the surface of body is symmetrically provided with mounting groove, the inner wall of mounting groove is symmetrically provided with circular groove, the inside of circular groove is slidingly connected with slide bar, and the slide bar is connected with the mounting groove. A movable block is fixedly installed at the bottom of the sliding rod, and a spring is arranged outside the sliding rod. Through the arrangement of the sliding rods, the movable blocks and the springs, the sliding rods slide in the circular grooves, then the springs are compressed to drive the movable blocks to slide, the distance between the two sets of movable blocks is lengthened, the filter screen is convenient to disassemble and assemble, meanwhile, the springs and the movable blocks have a clamping effect on the two ends of the filter screen, and the filter screen is convenient to disassemble and assemble. And the filter screen is clamped and fixed in the air filter, so that the filter screen is conveniently drawn out to be cleaned, regular and convenient maintenance of the filter screen is facilitated, and regular maintenance work of the air filter is easily realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to air filter technical field especially relates to an easy maintenance air filter. BACKGROUND

[0002] Air filter, usually applied in clean workshop, clean factory building, laboratory and electronic mechanical communication equipment etc. place, is used for removing dust, oil, rust, moisture and other harmful substances in air, according to its working efficiency and the size of captured particles, air filter has multiple types, including primary efficiency filter, medium efficiency filter, high efficiency filter and sub-high efficiency etc. model, air filter not only is widely applied in pneumatic machinery, internal combustion machinery etc. field, provides clean air for these mechanical equipment, to prevent the equipment from inhaling the air with impurity particles and increasing the probability of abrasion and damage in work, but also has different degrees of application on hydraulic system of hydraulic machinery, is mainly used to adjust the internal and external pressure difference of hydraulic system tank, the air filter with self-sealing device is disclosed in the publication CN218306845U, by rotating the threaded rotating rod on both sides, the air filter body drives the rotating disc to rotate, the connecting rod moves to the right side and rotates along the hinged seat until the insert block is inserted into the through opening, the air filter is closed, the bolt is unscrewed, the filter plate on the connecting plate is pulled out from the air filter, the filter frame is cleaned, and after cleaning, the filter frame is inserted into the air filter, and the filter frame is fixed in the air filter by the bolt, but, the air filter fixes the filter screen in the inside of the air filter by adopting the traditional bolt fixing mode, although it can be pulled out for cleaning, but it is not convenient for the regular and convenient maintenance of the filter screen, at the same time, the bolt is easy to rust after being contacted with water after being used for a period of time, the filter screen is not easy to disassemble, leading to not easy to regularly maintain the air filter, therefore, needs to be improved. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the technical problem in the background art.

[0004] The utility model adopts the following technical scheme: an easy maintenance air filter, including body and filter screen, the filter screen is inserted in the inside of body, the surface of body is opened in the symmetry and is equipped with the mounting groove, the inner wall of mounting groove is opened in the symmetry and is equipped with the round groove, the inside of round groove is connected with the sliding rod of sliding, the bottom of sliding rod is fixedly installed and is equipped with the movable block, the outside of sliding rod is provided with the spring, the top of movable block is fixedly installed and is equipped with the first sliding block, the inner wall of mounting groove is opened in the symmetry and is equipped with the first sliding groove, the both sides of movable block are fixedly installed and are equipped with the second sliding block, the both sides of the inner wall of mounting groove are opened in the symmetry and are equipped with the second sliding groove, the surface of movable block is fixedly installed and is equipped with the lug.

[0005] Preferably, the inside of the circular groove is provided with a limiting groove, and the surface of the sliding rod is fixedly provided with a limiting block; here, the sliding rod slides in the circular groove, and the limiting block slides in the limiting groove, and the limiting block limits the sliding of the sliding rod, thereby ensuring the stable vertical sliding of the sliding rod in the sliding groove.

[0006] Preferably, one end of the spring is fixedly connected with the inner wall of the mounting groove, and the other end of the spring is fixedly connected with the movable block; here, the fixed connection of the two ends of the spring enables the spring to compress and reset while driving the sliding rod and the movable block to move synchronously, thereby facilitating the convenient disassembly and assembly of the filter screen and the regular maintenance of the filter screen.

[0007] Preferably, the first sliding block is in sliding connection with the first sliding groove, the second sliding block is in sliding connection with the second sliding groove, and the second sliding block and the second sliding groove are both in the shape of a trapezoid; here, the first sliding block slides in the first sliding groove, and the second sliding block slides in the second sliding groove, and the trapezoidal design makes the second sliding block slide more stably in the second sliding groove.

[0008] Preferably, the bottom of the movable block is fixedly provided with a buffer pad; here, when the filter screen is clamped into the mounting groove, the buffer pad can prevent the two ends of the filter screen from being abraded.

[0009] Preferably, the inside of the body is fixedly provided with a fixed plate in a symmetrical manner, the surface of the fixed plate is provided with a butt joint groove, the surface of the filter screen is fixedly provided with a clamping plate in a symmetrical manner, and the inside of the butt joint groove and the inner wall of the mounting groove are both provided with a clamping groove in a symmetrical manner; here, one end of the filter screen is clamped into the butt joint groove, and the design of the fixed plate and the butt joint groove enables the filter screen to be more stably clamped in the air filter.

[0010] Preferably, the filter screen is inserted into the butt joint groove, and the clamping plate is inserted into the clamping groove; here, the clamping plate is clamped into the clamping groove, so that the filter screen can be quickly inserted into the mounting groove and then quickly clamped into the butt joint groove, thereby ensuring that the filter screen can be stably inserted into the air filter, and the filter screen is not prone to shaking.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、In the utility model, the sliding rod slides in the circular groove, then the spring drives the movable block to slide after being compressed, thereby lengthening the distance between the two movable blocks, facilitating the installation of the filter screen, and after the filter screen is completely clamped into the air filter, the spring and the movable block have a clamping effect on the two ends of the filter screen, so that the filter screen is clamped and fixed in the air filter, thereby realizing the convenient installation and disassembly of the filter screen, facilitating the extraction of the filter screen for cleaning, thereby facilitating the regular and convenient maintenance of the filter screen and realizing the regular maintenance of the air filter.

[0013] 2、 The utility model discloses a fixed plate, docking groove, clamping plate and card slot are set up, and the fixed plate and docking groove make the filter screen can be more stable and be clamped in the inside of air filter, simultaneously, the clamping plate is clamped into the card slot, and the filter screen can be quickly inserted into the installation slot and then quickly clamped into the docking groove, thereby guaranteeing that the filter screen can be stably inserted in the inside of air filter, and the filter screen is not easy to shake. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 An explosion structure schematic view of the air filter easy to maintain is provided for the utility model.

[0015] Figure 2 A sectional view of the air filter easy to maintain is provided for the utility model.

[0016] Figure 3 An air filter easy to maintain is provided for the utility model Figure 2 An enlarged view of A in the utility model.

[0017] Figure 4 A structure schematic view of the movable block and first sliding block connection of the air filter easy to maintain is provided for the utility model.

[0018] LEGEND:

[0019] 1, body;2, installation slot;3, filter screen;4, round groove;5, sliding rod;6, limit slot;7, limit block;8, movable block;9, spring;10, first sliding block;11, first sliding groove;12, second sliding block;13, second sliding groove;14, protruding block;15, buffer pad;16, fixed plate;17, docking groove;18, clamping plate;19, card slot. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further illustrated below in conjunction with the drawings and examples. It should be explained that, in the case of no conflict, the examples and features in the examples of the present application can be combined with each other.

[0021] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following specification.

[0022] Example one

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: an easy-to-maintain air filter, including body 1 and filter screen 3, filter screen 3 is inserted in the inside of body 1, the surface of body 1 is opened in the symmetry and is equipped with installation groove 2, the inner wall of installation groove 2 is opened in the symmetry and is equipped with round groove 4, the inside of round groove 4 is connected with slide 5 of sliding, the bottom of slide 5 is fixedly installed with movable block 8, the outside of slide 5 is provided with spring 9, the top of movable block 8 is fixedly installed with first sliding block 10, the inner wall of installation groove 2 is opened in the symmetry and is equipped with first sliding slot 11, the both sides of movable block 8 are fixedly installed with second sliding block 12, the both sides of the inner wall of installation groove 2 are opened in the symmetry and are equipped with second sliding slot 13, the surface of movable block 8 is fixedly installed with lug 14, spring 9 is compressed, has the clamping effect to the both ends of filter screen 3, lug 14 is convenient for pulling or pressing movable block 8, makes movable block 8 slide, and the design of first sliding block 10 and second sliding block 12 guarantees the stable sliding of movable block 8.

[0024] Please refer to Figures 3-4 The inside of round groove 4 is equipped with limiting groove 6, the surface of slide 5 is fixedly installed with limiting block 7, slide 5 is slid in the inside of round groove 4, limiting block 7 is slid in the inside of limiting groove 6, limiting block 7 has the limiting effect to the sliding of slide 5, guarantees the stable sliding of slide 5 in the inside of sliding slot in the vertical direction, one end of spring 9 is fixedly connected with the inner wall of installation groove 2, the other end of spring 9 is fixedly connected with movable block 8, the fixed connection of both ends of spring 9 can drive slide 5 and movable block 8 to move synchronously while spring 9 is compressed and resets, thereby the convenient disassembly of filter screen 3 is convenient, the regular maintenance of filter screen 3 is easy, first sliding block 10 is slidably connected with first sliding slot 11, second sliding block 12 is slidably connected with second sliding slot 13, the shape of second sliding block 12 and second sliding slot 13 is trapezoidal, first sliding block 10 is slid in the inside of first sliding slot 11, second sliding block 12 is slid in the inside of second sliding slot 13, the design of trapezoidal makes the sliding of second sliding block 12 in second sliding slot 13 more stable, the bottom of movable block 8 is fixedly installed with buffer pad 15, when filter screen 3 is clamped into the inside of installation groove 2, buffer pad 15 can prevent the wear and tear protection of the both ends of filter screen 3.

[0025] Example two

[0026] Please refer to Figures 1-2The inner part of the body 1 is fixedly installed with a fixed plate 16, the surface of the fixed plate 16 is provided with a butt joint groove 17, the surface of the filter screen 3 is fixedly installed with a clamping plate 18, the inner part of the butt joint groove 17 and the inner wall of the installation groove 2 are symmetrically provided with a clamping groove 19, one end of the filter screen 3 is clamped into the butt joint groove 17, the design of the fixed plate 16 and the butt joint groove 17 makes the filter screen 3 more stably clamped in the inner part of the air filter, the filter screen 3 is inserted into the butt joint groove 17, the clamping plate 18 is inserted into the clamping groove 19, the clamping plate 18 is clamped into the clamping groove 19, so that the filter screen 3 can be quickly inserted into the installation groove 2 and then quickly clamped into the butt joint groove 17, thereby ensuring that the filter screen 3 can be stably inserted into the inner part of the air filter, and the filter screen 3 is not prone to shaking.

[0027] Working principle: when the filter screen 3 needs to be regularly maintained, the user pulls the protrusions 14 at the top and bottom of the installation groove 2 respectively, then the sliding rod 5 slides in the circular groove 4, the limiting block 7 then slides in the limiting groove 6, at this time, the spring 9 is compressed and pressed to the top and bottom of the installation groove 2 respectively, then the movable block 8 moves in the same direction with the sliding rod 5, at the same time, the first sliding block 10 slides in the first sliding groove 11, and the second sliding block 12 slides in the second sliding groove 13, so that the distance between the two movable blocks 8 is expanded, facilitating the installation of the filter screen 3, after the filter screen 3 is completely clamped into the inner part of the body 1, the spring 9 and the movable block 8 have clamping action on the two ends of the filter screen 3, so that the filter screen 3 is clamped and fixed in the inner part of the body 1, thereby realizing the convenient installation and disassembly of the filter screen 3, facilitating the extraction of the filter screen 3 for cleaning, thereby facilitating the regular maintenance of the filter screen 3 in the body 1, in addition, when the filter screen 3 is installed in the inner part of the body 1, one end of the filter screen 3 is clamped into the butt joint groove 17, the fixed plate 16 and the butt joint groove 17 can make the filter screen 3 more stably clamped in the inner part of the body 1, the clamping plate 18 slides in the clamping groove 19, so that the clamping plate 18 is clamped into the clamping groove 19, thereby the filter screen 3 can be quickly inserted into the installation groove 2 and then quickly clamped into the butt joint groove 17, ensuring that the filter screen 3 can be stably inserted into the inner part of the body 1 and is not prone to shaking.

[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A low-maintenance air filter comprising a body (1) and a filter screen (3), characterized in that: The filter screen (3) is inserted in the body (1), the surface of the body (1) is symmetrically provided with a mounting groove (2), the inner wall of the mounting groove (2) is symmetrically provided with a circular groove (4), the inner wall of the circular groove (4) is slidably connected with a sliding rod (5), the bottom of the sliding rod (5) is fixedly provided with a movable block (8), the outer wall of the sliding rod (5) is provided with a spring (9), the top of the movable block (8) is fixedly provided with a first sliding block (10), the inner wall of the mounting groove (2) is symmetrically provided with a first sliding groove (11), the two sides of the movable block (8) are symmetrically fixedly provided with a second sliding block (12), the two sides of the inner wall of the mounting groove (2) are symmetrically provided with a second sliding groove (13), and the surface of the movable block (8) is fixedly provided with a protruding block (14).

2. The low maintenance air filter of claim 1, wherein: The inner wall of the circular groove (4) is provided with a limiting groove (6), and the surface of the sliding rod (5) is fixedly provided with a limiting block (7).

3. The low maintenance air filter of claim 1, wherein: One end of the spring (9) is fixedly connected with the inner wall of the mounting groove (2), and the other end of the spring (9) is fixedly connected with the movable block (8).

4. The low maintenance air filter of claim 1, wherein: The first sliding block (10) is slidably connected with the first sliding groove (11), and the second sliding block (12) is slidably connected with the second sliding groove (13).

5. The low maintenance air filter of claim 1, wherein: The bottom of the movable block (8) is fixedly provided with a buffer pad (15).

6. The low maintenance air filter of claim 1, wherein: The inner wall of the body (1) is symmetrically fixedly provided with a fixed plate (16), the surface of the fixed plate (16) is provided with a butt joint groove (17), the surface of the filter screen (3) is symmetrically fixedly provided with a clamping plate (18), and the inner wall of the butt joint groove (17) and the inner wall of the mounting groove (2) are symmetrically provided with a clamping groove (19).

7. The low maintenance air filter of claim 6, wherein: The filter screen (3) is inserted in the butt joint groove (17), and the clamping plate (18) is inserted in the clamping groove (19).

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