Dust cleaning structure and computer case

By designing an automatic sliding and replacement dust cleaning structure, using an electromagnet to drive the filter plate to slide and replace it in the chassis, the problem of filter screen cleaning in the prior art needs to be shut down, improve efficiency and prevent air leakage, and is suitable for those who cannot be shut down. Working environment.

CN119113656AInactive Publication Date: 2024-12-13王岚
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Patent Information

Application Number
CN202411274793.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, the cleaning of the filter mesh of the computer chassis requires shutdown and removal, which is time-consuming and labor-intensive and cannot be carried out during the computer operation, resulting in inconvenience to work that cannot shut down.

Method used

A dust cleaning structure was designed, using components such as mounting frame, sliding shell, filter plate and electromagnet to automatically slide and replace the filter plate through the phase repulsion and attraction of the electromagnet, avoiding dismantling and ensuring that the filter plate is in The computer can be cleaned and replaced while running.

Benefits of technology

Automatic replacement of filter plates is realized, cleaning efficiency is improved, tedious process of shutdown and removal is avoided, the computer work is ensured, and air leakage is prevented during the replacement process.

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Abstract

The invention discloses a dust cleaning structure and a computer case in the technical field of computer case cleaning, the dust cleaning structure comprises a mounting frame, the side face of the mounting frame is fixedly connected with a case side plate, the inner wall of the mounting frame is provided with two through filter grooves, the side face of the mounting frame is fixedly connected with two sliding shells corresponding to the filter grooves, and the sliding shells are fixedly connected with the case side plate. The sliding shell close to the side plate of the case is embedded into one part of the side plate of the case; by arranging the mounting frame, the first filter plate, the second filter plate, the first fixing device, the second fixing device and other structures, the first filter plate and the second filter plate are pushed to move by utilizing repulsive force and attractive force generated by a first electromagnet and a second electromagnet, and the second filter plate enters the mounting frame to play a filtering role; the first filter plate begins to break away from the mounting frame to move into the sliding shell just after the limiting is released, and after the first filter plate begins to move after the limiting is released, the second filter plate is fixedly limited in the mounting frame.
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Description

Technical Field

[0001] The invention relates to the technical field of computer case cleaning, in particular to a dust cleaning structure and a computer case. Background Art

[0002] In the era of rapid technological development, various electronic devices emerge in an endless stream, but desktop computers always occupy an important place. Desktop computers are generally equipped with a computer case. After the case has been used for a period of time, it will be subjected to fan circulation and static adsorption, and dust will often be generated inside the case. The dust on the filter at the air inlet is often seriously accumulated.

[0003] In the prior art, the filter at the air inlet and the chassis cover are usually integrated or fixed to the chassis cover by bolts. When cleaning the filter, the computer needs to be shut down, and then the filter is removed for cleaning and then installed again. This method is time-consuming and labor-intensive, and the filter cannot be removed while the computer is running, which brings inconvenience to those who cannot shut down the computer for work.

[0004] Based on this, the present invention designs a dust cleaning structure and a computer case to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a dust cleaning structure and a computer case to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a dust cleaning structure, comprising a mounting frame, the side surface of the mounting frame is fixedly connected to the side plate of the chassis, the inner wall of the mounting frame is provided with two penetrating filter grooves, the side surface of the mounting frame is fixedly connected with two sliding shells corresponding to the filter grooves, the sliding shells close to the side plate of the chassis are embedded in a part of the side plate of the chassis, the inner walls of the two sliding shells are slidably connected with filter plate 1 and filter plate 2 respectively, the ends of the filter plate 1 and the filter plate 2 are provided with inclined surfaces, the sides of the filter plate 1 and the filter plate 2 are both provided with penetrating filter holes, the filter plate 1 and the filter plate 2 are both slidably connected to the filter groove, the sides of the filter plate 1 and the filter plate 2 are both fixedly connected with electromagnet 1, the inner wall of the sliding shell is fixedly connected with electromagnet 2, and the side surface of the mounting frame is connected with a first fixing device for fixing filter plate 1 and a second fixing device for fixing filter plate 2; The first fixing device comprises a first supporting plate, the first supporting plate and the mounting bracket are fixedly connected, a sliding groove is provided on the side of the first supporting plate, an I-shaped slide plate is slidably connected to the inner wall of the sliding groove, a top rod is fixedly connected to the side of the I-shaped slide plate, both ends of the I-shaped slide plate are fixedly connected to a rope, the side plate of the chassis is rotatably connected to two rollers, the rope passes through the rollers and the end is fixedly connected to the first round block, the side of the first round block is fixedly connected to the first fixing rod, the surface of the first fixing rod is slidably connected to an L-shaped fixing plate, the L-shaped fixing plate and the mounting bracket are fixedly connected, the L-shaped fixing plate and the first round block are fixedly connected to the first spring together, and first fixing holes are provided on both sides of the filter plate, the first fixing rod passes through the mounting bracket and the end is slidably connected to the first fixing hole; The second fixing device includes two second support plates, the second support plates and the mounting bracket are fixedly connected, the second support plate is slidably connected to the side surface of the second support plate, the end of the second fixing rod is fixedly connected to the second round block, the second round block and the second support plate are jointly fixedly connected to the second spring, the side surface of the second fixing rod is fixedly connected to the extrusion rod, the end of the extrusion rod is fixedly connected to the wedge block, the side surface of the mounting bracket is fixedly connected to two third support plates, the side surface of the third support plate is slidably connected to the L-shaped pressure rod, the surface of the L-shaped pressure rod is fixedly connected to the receiving plate, the receiving plate and the third support plate are jointly fixedly connected to the third spring, the two ends of the L-shaped pressure rod are respectively in contact with the inclined surface of the wedge block and the filter plate one, and the two side surfaces of the filter plate two are provided with second fixing holes, and the second fixing holes are adapted to the second fixing rod.

[0007] As a further solution of the present invention, a shielding groove is provided on the inner wall of the filter groove, a shielding plate is slidably connected to the inner wall of the shielding groove, a shielding spring is fixedly connected to the side of the shielding plate, the shielding spring is fixedly connected to the inner wall of the shielding groove, and an inclined surface is provided on the end of the shielding plate.

[0008] As a further solution of the present invention, the side of the I-shaped skateboard is fixedly connected with a slide rod, the surface of the slide rod is slidably connected with a first plate, the first plate and the first support plate are fixedly connected, and the first plate and the I-shaped skateboard are jointly fixedly connected with a return spring.

[0009] As a further solution of the present invention, the inner wall of the sliding shell is slidably connected to two anti-drop rods that penetrate the sliding shell, both ends of the anti-drop rods are fixedly connected to limiting circular blocks, the limiting circular blocks and the sliding shell are jointly fixedly connected to an anti-drop spring that is sleeved on the anti-drop rods, and the anti-drop rods are made of soft material.

[0010] The present invention also provides a computer case using the dust cleaning structure, which comprises a case side panel on which the dust cleaning structure is installed.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is characterized in that the mounting frame, the filter plate 1, the filter plate 2, the first fixing device and the second fixing device are provided, and the repulsive force and the attractive force generated by the electromagnet 1 and the electromagnet 2 are used to push the filter plate 1 and the filter plate 2 to move. When the filter plate 2 enters the mounting frame to play a filtering role, the filter plate 1 is just released from the limit and starts to separate from the mounting frame and move into the sliding shell. After the filter plate 1 is released from the limit and starts to move, the filter plate 2 will be fixed and limited in the mounting frame, and the filter plate 1 will return to the sliding shell under the attraction, and it can be taken out for cleaning. At this point, the replacement of the filter plate that needs to be cleaned is realized, and the replacement of the filter plate 2 can be realized by repeating the above process. The whole replacement process can be automatically carried out, and the replacement efficiency is high. The filter plate can be replaced without stopping the computer, so that the normal operation of the computer is ensured, and the computer is avoided from being shut down when cleaning the filter, and then the filter is removed for cleaning, and then installed again after completion. This method is time-consuming and labor-intensive, and the filter cannot be removed when the computer is running, which brings inconvenience to those who cannot shut down the computer.

[0012] 2. When filter plate 1 or filter plate 2 does not enter the filter slot, the shielding plate will extend under the action of the shielding spring and contact the inner wall of the filter slot or the side panel of the chassis. At this time, the filter plate will close the filter slot, thereby preventing air leakage. At the same time, an inclined surface is provided at the end of the shielding plate, which facilitates the inclined surface at the end of filter plate 1 or filter plate 2 to lift the shielding plate, so that filter plate 1 or filter plate 2 can pass through the filter slot smoothly.

[0013] 3. The present invention provides structures such as a slide bar and a reset spring. When resetting, the reset spring will provide the necessary elastic force to push the I-shaped slide plate to reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 A three-dimensional diagram of the dust cleaning structure and computer case of the present invention; Figure 2 A three-dimensional diagram of the dust cleaning structure and the side panel of the chassis of the present invention; Figure 3 for Figure 2 A partial enlarged view of the middle A; Figure 4 A three-dimensional diagram of the dust cleaning structure of the present invention; Figure 5 for Figure 4 A partial enlarged view of point B in the middle; Figure 6 for Figure 4 A partial enlarged view of point C in the middle; Figure 7 for Figure 4 A partial enlarged view of point D in the middle; Figure 8 for Figure 4 A partial enlarged view of point E in the middle; Fig. 9 It is a three-dimensional diagram of the structure of filter plate 1 and filter plate 2 of the present invention.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows: Mounting frame 1, chassis side plate 2, filter slot 3, sliding shell 4, filter plate 1 5, filter plate 2 6, filter hole 7, electromagnet 1 8, electromagnet 2 9, first support plate 10, slide slot 11, I-shaped slide plate 12, push rod 13, rope 14, roller 15, first round block 16, first fixing rod 17, L-shaped fixing plate 18, first spring 19, first fixing hole 20, second support plate 21, second fixing rod 22, second round block 23, second spring 24, extrusion rod 25, wedge block 26, third support plate 27, L-shaped pressure rod 28, receiving plate 29, third spring 30, second fixing hole 31, shielding slot 32, shielding plate 33, shielding spring 34, sliding rod 35, first plate 36, reset spring 37, anti-drop rod 38, limiting round block 39, anti-drop spring 40. DETAILED DESCRIPTION

[0017] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-9The present invention provides a technical solution: a dust cleaning structure, comprising a mounting frame 1, the side of the mounting frame 1 is fixedly connected to a chassis side panel 2, the inner wall of the mounting frame 1 is provided with two penetrating filter slots 3, the side of the mounting frame 1 is fixedly connected with two sliding shells 4 corresponding to the filter slots 3, the sliding shell 4 close to the chassis side panel 2 is embedded in a part of the chassis side panel 2, the inner walls of the two sliding shells 4 are respectively slidably connected with a filter plate 1 5 and a filter plate 2 6, the ends of the filter plate 1 5 and the filter plate 2 6 are provided with inclined surfaces, the sides of the filter plate 1 5 and the filter plate 2 6 are both provided with penetrating filter holes 7, the filter plate 1 5 and the filter plate 2 6 are both slidably connected to the filter slot 3, the sides of the filter plate 1 5 and the filter plate 2 6 are both fixedly connected with an electromagnet 1 8, the inner wall of the sliding shell 4 is fixedly connected with an electromagnet 2 9, and the side of the mounting frame 1 is connected with a first fixing device for fixing the filter plate 1 5 and a second fixing device for fixing the filter plate 2 6; The first fixing device includes a first supporting plate 10, the first supporting plate 10 is fixedly connected to the mounting frame 1, a through slide groove 11 is provided on the side of the first supporting plate 10, an I-shaped slide plate 12 is slidably connected to the inner wall of the slide groove 11, a top rod 13 is fixedly connected to the side of the I-shaped slide plate 12, both ends of the I-shaped slide plate 12 are fixedly connected to a rope 14, the chassis side plate 2 is rotatably connected to two rollers 15, the rope 14 passes around the rollers 15 and the end is fixedly connected to a first round block 16, the side of the first round block 16 is fixedly connected to a first fixing rod 17, the surface of the first fixing rod 17 is slidably connected to an L-shaped fixing plate 18, the L-shaped fixing plate 18 is fixedly connected to the mounting frame 1, the L-shaped fixing plate 18 and the first round block 16 are fixedly connected to a first spring 19, both sides of the filter plate 5 are provided with first fixing holes 20, the first fixing rod 17 penetrates the mounting frame 1 and the end is slidably connected to the first fixing hole 20; The second fixing device includes two second supporting plates 21, the second supporting plates 21 are fixedly connected to the mounting frame 1, a second fixing rod 22 is slidably connected to the side of the second supporting plate 21, a second round block 23 is fixedly connected to the end of the second fixing rod 22, a second round block 23 and the second supporting plate 21 are jointly fixedly connected to a second spring 24, a squeezing rod 25 is fixedly connected to the side of the second fixing rod 22, a wedge block 26 is fixedly connected to the end of the squeezing rod 25, two third supporting plates 27 are fixedly connected to the side of the mounting frame 1, an L-shaped pressure rod 28 is slidably connected to the side of the third supporting plate 27, a receiving plate 29 is fixedly connected to the surface of the L-shaped pressure rod 28, a third spring 30 is fixedly connected to the receiving plate 29 and the third supporting plate 27, two ends of the L-shaped pressure rod 28 are respectively in contact with the inclined surface of the wedge block 26 and the filter plate 1 5, and second fixing holes 31 are provided on both sides of the filter plate 26, and the second fixing holes 31 are adapted to the second fixing rod 22; During operation, when there is a lot of dust on the surface of the filter plate and the filter plate needs to be cleaned, the clean filter plate 2 6 is placed in the sliding shell 4, and the electromagnet 1 8 and the electromagnet 2 9 are energized to generate a magnetic field. The electromagnet 1 8 on the side of the filter plate 2 6 and the corresponding electromagnet 2 9 generate a repulsive force. Under the action of this force, the filter plate 2 6 will slide along the inner wall of the sliding shell 4 and enter the filter slot 3. When the filter plate 2 6 passes through the opposing filter slot 3, it will squeeze the push rod 13. The squeezed push rod 13 moves to the rear side and drives the I-shaped slide plate 12 to move. The I-shaped slide plate 12 pulls the first fixing rod 17 to move backward through the rope 14 and the first round block 16, and at the same time the first spring 19 will be stretched, and the first fixing rod 17 will gradually disengage from the first fixing hole 20. When the first fixing rod 17 disengages from the first fixing hole 20, the fixed limit of the filter plate 5 will be released. At this time, the filter plate 26 has not stopped moving, and the electromagnet 18 on the side of the filter plate 5 and the corresponding electromagnet 29 generate attraction. Under the action of the attraction, the filter plate 5 will gradually slide along the filter tank 3, and at the same time the L-shaped pressure rod 28 will be in the third The second fixing rod 22 will gradually extend out and contact the side of the moving filter plate 6 under the action of the second spring 24. When the filter plate 6 moves to the end of the second fixing rod 22 and faces the second fixing hole 31, the second fixing rod 22 will extend into the second fixing hole 31 under the action of the second spring 24. At this time, the filter plate 6 is fixed and limited. The filter plate 6 will return to the sliding shell 4 under the attraction, and it can be taken out for further use. The filter plate 6 can be replaced by cleaning it, and the above process can be repeated to replace the filter plate 2. The whole replacement process is automatic, and the replacement efficiency is high. The filter plate can be replaced without shutting down the computer, thereby ensuring the normal operation of the computer. It avoids the need to shut down the computer when cleaning the filter, and then remove the filter for cleaning and then install it again after completion. This method is time-consuming and labor-intensive, and the filter cannot be removed when the computer is running, which brings inconvenience to those who cannot shut down the computer.

[0019] As a further solution of the present invention, a shielding groove 32 is opened on the inner wall of the filter tank 3, and a shielding plate 33 is slidably connected to the inner wall of the shielding groove 32. A shielding spring 34 is fixedly connected to the side of the shielding plate 33. The shielding spring 34 is fixedly connected to the inner wall of the shielding groove 32, and an inclined surface is provided at the end of the shielding plate 33. During operation, in order to prevent the problem of air leakage of the mounting frame 1 due to the existence of the filter tank 3 when air is taken in, when the filter plate 1 5 or the filter plate 2 6 has not entered the filter tank 3, the shielding plate 33 will be extended under the action of the shielding spring 34 and contact the inner wall of the filter tank 3 or the side plate 2 of the chassis. At this time, the filter plate will close the filter tank 3, thereby preventing air leakage. At the same time, an inclined surface is provided at the end of the shielding plate 33, which is convenient for the inclined surface at the end of the filter plate 1 5 or the filter plate 2 6 to lift up the shielding plate 33, so that the filter plate 1 5 or the filter plate 2 6 can pass through the filter tank 3 smoothly.

[0020] As a further solution of the present invention, a sliding rod 35 is fixedly connected to the side of the I-shaped slide plate 12, and a first plate 36 is slidably connected to the surface of the sliding rod 35. The first plate 36 and the first support plate 10 are fixedly connected, and the first plate 36 and the I-shaped slide plate 12 are jointly fixedly connected with a reset spring 37; during operation, since the I-shaped slide plate 12 is relatively long, it is difficult to reset it only by relying on the first spring 19. By setting structures such as the sliding rod 35 and the reset spring 37, the reset spring 37 will provide the necessary elastic force to push the I-shaped slide plate 12 to reset when resetting.

[0021] As a further solution of the present invention, the inner wall of the sliding shell 4 is slidably connected with two anti-drop rods 38 that penetrate the sliding shell 4. Both ends of the anti-drop rods 38 are fixedly connected with limiting round blocks 39. The limiting round blocks 39 and the sliding shell 4 are jointly fixedly connected with an anti-drop spring 40 sleeved on the anti-drop rods 38. The anti-drop rods 38 are made of soft material. During operation, when the filter plates 1 5 and 2 6 are placed in the sliding shell 4, they are not limited and may fall off the sliding shell 4. The anti-drop rods 38 are used to restrain the filter plates 1 5 and 2 6 so that they can be tightly attached to the sliding shell 4 to avoid the problem of them falling off the sliding shell 4. At the same time, the anti-drop rods 38 are made of soft materials so that they can be deformed to a certain extent, which is convenient for installing and removing the filter plates 1 5 and 2 6.

[0022] The present invention also provides a computer case using the above-mentioned dust cleaning structure, which includes a case side panel 2 on which the above-mentioned dust cleaning structure is installed.

[0023] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0024] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dust cleaning structure, comprising a mounting frame (1), characterized in that: The side of the mounting frame (1) is fixedly connected to the side panel (2) of the chassis, the inner wall of the mounting frame (1) is provided with two penetrating filter slots (3), the side of the mounting frame (1) is fixedly connected to two sliding shells (4) corresponding to the filter slots (3), the sliding shells (4) close to the side panel (2) of the chassis are embedded in a part of the side panel (2), the inner walls of the two sliding shells (4) are respectively slidably connected to a filter plate 1 (5) and a filter plate 2 (6), and the ends of the filter plate 1 (5) and the filter plate 2 (6) are provided with The filter plate 1 (5) and the filter plate 2 (6) are provided with filter holes (7) on their sides, the filter plate 1 (5) and the filter plate 2 (6) are slidably connected to the filter tank (3), the filter plate 1 (5) and the filter plate 2 (6) are fixedly connected with electromagnet 1 (8) on their sides, the inner wall of the sliding shell (4) is fixedly connected with electromagnet 2 (9), and the side of the mounting frame (1) is connected with a first fixing device for fixing the filter plate 1 (5) and a second fixing device for fixing the filter plate 2 (6).

2. A dust cleaning structure according to claim 1, characterized in that: The first fixing device comprises a first support plate (10), the first support plate (10) and the mounting frame (1) are fixedly connected, a through slide groove (11) is provided on the side of the first support plate (10), an I-shaped slide plate (12) is slidably connected to the inner wall of the slide groove (11), a top rod (13) is fixedly connected to the side of the I-shaped slide plate (12), both ends of the I-shaped slide plate (12) are fixedly connected to ropes (14), the chassis side plate (2) is rotatably connected to two rollers (15), the rope (14) passes around the rollers (15) and the ends are fixedly connected A first round block (16) is connected, a first fixing rod (17) is fixedly connected to the side of the first round block (16), an L-shaped fixing plate (18) is slidably connected to the surface of the first fixing rod (17), the L-shaped fixing plate (18) is fixedly connected to the mounting frame (1), the L-shaped fixing plate (18) and the first round block (16) are jointly fixedly connected to a first spring (19), both sides of the filter plate 1 (5) are provided with first fixing holes (20), the first fixing rod (17) passes through the mounting frame (1) and the end portion is slidably connected to the first fixing hole (20).

3. A dust cleaning structure according to claim 1, characterized in that: The second fixing device comprises two second support plates (21), the second support plates (21) and the mounting frame (1) are fixedly connected, a second fixing rod (22) is slidably connected to the side of the second support plate (21), a second round block (23) is fixedly connected to the end of the second fixing rod (22), the second round block (23) and the second support plate (21) are jointly fixedly connected to a second spring (24), an extrusion rod (25) is fixedly connected to the side of the second fixing rod (22), the end of the extrusion rod (25) is fixedly connected to a wedge block (26), and the mounting frame (1) is fixedly connected to the side of the second fixing rod (22). Two third support plates (27) are fixedly connected to the side surface, and an L-shaped pressure rod (28) is slidably connected to the side surface of the third support plate (27), and a receiving plate (29) is fixedly connected to the surface of the L-shaped pressure rod (28). The receiving plate (29) and the third support plate (27) are fixedly connected to a third spring (30), and the two ends of the L-shaped pressure rod (28) are respectively in contact with the inclined surface of the wedge block (26) and the filter plate 1 (5), and the two side surfaces of the filter plate 2 (6) are both provided with a second fixing hole (31), and the second fixing hole (31) is adapted to the second fixing rod (22).

4. A dust cleaning structure according to claim 1, characterized in that: The inner wall of the filter groove (3) is provided with a shielding groove (32), the inner wall of the shielding groove (32) is slidably connected to a shielding plate (33), a side of the shielding plate (33) is fixedly connected to a shielding spring (34), the shielding spring (34) is fixedly connected to the inner wall of the shielding groove (32), and an inclined surface is provided at the end of the shielding plate (33).

5. A dust cleaning structure according to claim 2, characterized in that: A sliding rod (35) is fixedly connected to the side of the I-shaped slide plate (12); a first plate (36) is slidably connected to the surface of the sliding rod (35); the first plate (36) is fixedly connected to the first support plate (10); and a return spring (37) is fixedly connected to the first plate (36) and the I-shaped slide plate (12).

6. A dust cleaning structure according to claim 1, characterized in that: The inner wall of the sliding shell (4) is slidably connected to two anti-drop rods (38) penetrating the sliding shell (4); both ends of the anti-drop rods (38) are fixedly connected to limit circle blocks (39); the limit circle blocks (39) and the sliding shell (4) are jointly fixedly connected to an anti-drop spring (40) sleeved on the anti-drop rods (38); the anti-drop rods (38) are made of soft material.

7. A computer case, suitable for the dust cleaning structure according to claim 2, characterized in that: It comprises a chassis side panel (2) on which the dust cleaning structure is installed.