Dustproof cover convenient to disassemble

Abstract

The dustproof cover comprises a machine case, the left side and the right side of an opening in the front side of the machine case are each fixedly provided with two sets of positioning frames, positioning plates are installed in the positioning frames in a sliding mode, an installation frame is fixedly installed between the two sets of positioning plates, and a dustproof net is arranged in the installation frame. A mounting plate is fixedly mounted at the lower end of the mounting frame, a fixing frame is fixedly mounted at the lower end of the front side of the case, the mounting plate is mounted in the fixing frame in a matched mode, and the mounting plate and the fixing frame are fixedly mounted through fastening bolts. The positioning plates arranged on the left side and the right side of the installation frame provided with the dustproof net are installed along the four sets of positioning frames in a downward pressing mode, the round heads make contact with the positioning plates, the positioning plates can be downwards pressed to the bottom under the action of the springs, at the moment, the positioning holes are matched with the positioning columns, and preliminary positioning and preliminary locking are achieved; at the moment, the mounting plate is in contact fit with the fixing frame, and the dustproof cover is fixed by tightening the fastening bolt.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust cover technical field especially, it is convenient to dismantle dust cover. BACKGROUND

[0002] Dust cover is dustproof to object, makes object reach a dustless environment, prolongs the service life of internal component, but the existing computer mainframe dust cover is inconvenient to dismount and install, and it is more troublesome to use, and a lot of manpower and material resources are wasted during installation and dismounting, in view of above-mentioned defect, therefore we propose a dust cover convenient to dismount. SUMMARY

[0003] In order to overcome above-mentioned defects in the prior art, the utility model provides a dust cover convenient to dismount.

[0004] The utility model discloses a dust cover convenient to dismount, which solves the technical problems.

[0005] Further, the positioning column is movably installed on the positioning frame, the limiting block is fixedly installed on the upper end of the positioning column, the spring is arranged on the outer side of the positioning column, the upper end of the spring is fixedly connected to the limiting block, and the lower end of the spring is fixedly connected to the positioning frame.

[0006] Further, the upper end of the positioning plate is provided with two groups of positioning holes, the lower end of the positioning column is provided with a round head, and the round head is installed in cooperation with the positioning hole.

[0007] Further, the middle part of the mounting plate is provided with a threaded hole, and the threaded hole is installed in cooperation with the fastening bolt.

[0008] The utility model has the advantages that the dust cover is convenient to dismount and install. BRIEF DESCRIPTION OF DRAWINGS

[0009] The utility model is further illustrated below in connection with the drawings and examples.

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 It is the front view of the dust cover of the utility model;

[0012] Figure 3It is the partial plan view of the utility model.

[0013] In the figure: 1. case, 2. positioning frame, 3. mounting frame, 4. positioning plate, 5. positioning hole, 6. mounting plate, 7. threaded hole, 8. dust screen, 9. limit block, 10. positioning column, 11. round head, 12. spring, 13. fixed frame, 14. fastening bolt. DETAILED DESCRIPTION

[0014] In order to more clearly illustrate the technical scheme of the utility model, the utility model is further described below in combination with the drawings, obviously, the drawings described below are only one embodiment of the utility model, and for the ordinary skilled person in the art, other embodiments can be obtained according to the drawings and the embodiment without paying creative labor, and all belong to the protection scope of the utility model.

[0015] As Figure 1 And Figure 2 The utility model discloses a dustproof cover, including case 1, the left and right sides of the front side opening of case 1 are fixedly installed two groups of positioning frame 2, the inside slide installation positioning plate 4 between two groups Positioning plate 4, fixedly install mounting frame 3, the inside of mounting frame 3 is provided with dust screen 8, the lower end of mounting frame 3 is fixedly installed mounting plate 6, the front side lower end of case 1 is fixedly installed fixed frame 13, the fixed frame 13 is matched and installed mounting plate 6, mounting plate 6 and fixed frame 13 are fixedly installed through fastening bolt 14, the middle part of mounting plate 6 is provided with threaded hole 7, threaded hole 7 is matched and installed with fastening bolt 14.

[0016] As Figures 1 to 3 The utility model discloses a dustproof cover, including case 1, the left and right sides of the front side opening of case 1 are fixedly installed two groups of positioning frame 2, the inside slide installation positioning plate 4 between two groups Positioning plate 4, fixedly install mounting frame 3, the inside of mounting frame 3 is provided with dust screen 8, the lower end of mounting frame 3 is fixedly installed mounting plate 6, the front side lower end of case 1 is fixedly installed fixed frame 13, the fixed frame 13 is matched and installed mounting plate 6, mounting plate 6 and fixed frame 13 are fixedly installed through fastening bolt 14, the middle part of mounting plate 6 is provided with threaded hole 7, threaded hole 7 is matched and installed with fastening bolt 14.

[0017] The utility model discloses a dustproof cover, including case 1, the left and right sides of the front side opening of case 1 are fixedly installed two groups of positioning frame 2, the inside slide installation positioning plate 4 between two groups Positioning plate 4, fixedly install mounting frame 3, the inside of mounting frame 3 is provided with dust screen 8, the lower end of mounting frame 3 is fixedly installed mounting plate 6, the front side lower end of case 1 is fixedly installed fixed frame 13, the fixed frame 13 is matched and installed mounting plate 6, mounting plate 6 and fixed frame 13 are fixedly installed through fastening bolt 14, the middle part of mounting plate 6 is provided with threaded hole 7, threaded hole 7 is matched and installed with fastening bolt 14.

[0018] The above examples are only exemplary embodiments of the present application, and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the present application.

Claims

1. A dust cover for easy removal, comprising a casing (1), characterized in that: Two groups of positioning frames (2) are fixedly installed on the left and right sides of the front opening of the cabinet (1), a positioning plate (4) is slidably installed in the positioning frame (2), a mounting frame (3) is fixedly installed between the two groups of positioning plates (4), a dust screen (8) is arranged in the mounting frame (3), a mounting plate (6) is fixedly installed at the lower end of the mounting frame (3), a fixing frame (13) is fixedly installed at the lower end of the front side of the cabinet (1), the mounting plate (6) is fittedly installed in the fixing frame (13), and the mounting plate (6) and the fixing frame (13) are fixedly installed through fastening bolts (14).

2. The dust cover of claim 1, wherein, A positioning column (10) is movably installed on the positioning frame (2), a limiting block (9) is fixedly installed at the upper end of the positioning column (10), springs (12) are arranged on the outer side of the positioning column (10), the upper ends of the springs (12) are fixedly connected to the limiting block (9), and the lower ends of the springs (12) are fixedly connected to the positioning frame (2).

3. A dust cap according to claim 2, wherein, Two groups of positioning holes (5) are arranged at the upper end of the positioning plate (4), a round head (11) is arranged at the lower end of the positioning column (10), and the round head (11) is fittedly installed with the positioning hole (5).

4. The dust cover of claim 1, wherein, Threaded holes (7) are arranged in the middle of the mounting plate (6), and the threaded holes (7) are fittedly installed with the fastening bolts (14).

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