Dustproof filter screen fixing device and dustproof case

Abstract

The utility model provides a dustproof filter screen fixing device. The dustproof filter screen fixing device comprises a shell, a filter box fixedly installed inside the shell, a filter screen arranged inside the filter box, a sliding groove formed inside the shell, a sliding block connected inside the sliding groove in a sliding mode, a fixing ring fixedly connected to one side of the sliding block, and a fixing groove formed inside the shell. According to the dustproof filter screen fixing device and the dustproof case provided by the utility model, the two fixing pins are driven to move towards one side by pressing the fixing handle, and when the two fixing pins are separated from the two fixing holes, the dustproof filter screen is fixed. The fixing ring is rotated towards one side to drive the two sliding blocks to move towards one side in the two sliding grooves to proper positions, then the fixing ring is moved towards one side to be taken out, and a filter screen in the filter box is disassembled, so that the filter screen in the filter box is conveniently assembled and disassembled.

Description

Technical Field

[0001] The utility model relates to the field of dustproof chassis, in particular to a dustproof filter screen fixing device and a dustproof chassis. Background Art

[0002] The chassis generally includes an outer shell, a bracket, various switches and indicator lights on the panel, etc. The outer shell is made of a combination of steel plates and plastics, has high hardness, and mainly serves to protect the internal components of the chassis.

[0003] The patent application with announcement number CN220067451U proposed in the current technology has a dust-proof device that can filter dust in the air. The fixed sleeve is installed by bolts and is easy to disassemble. By removing the bolts, the filter plate can be removed, and filter screen one and filter screen two can be taken out at the same time, so that the dust-proof device can be conveniently cleaned.

[0004] However, when the filter screen 1 and the filter screen 2 are disassembled and installed, a plurality of bolts need to be disassembled or installed to fix the filter plate, which makes it inconvenient to disassemble the filter screen 1 and the filter screen 2 for cleaning.

[0005] Therefore, it is necessary to provide a dust-proof filter fixing device and a dust-proof chassis to solve the above technical problems. Utility Model Content

[0006] The utility model provides a dustproof filter screen fixing device and a dustproof machine case, which solves the problem that the filter screen is inconvenient to be disassembled for cleaning.

[0007] In order to solve the above technical problems, the utility model provides a dust filter fixing device, comprising:

[0008] A housing, wherein a filter box is fixedly installed inside the housing, and a filter screen is arranged inside the filter box;

[0009] A sliding groove, the sliding groove is arranged inside the housing, a sliding block is slidably connected inside the sliding groove, and a fixing ring is fixedly connected to one side of the sliding block;

[0010] A fixing groove, the fixing groove is arranged inside the shell, a fixing pin is slidably connected inside the fixing groove, a fixing spring is arranged at one end of the fixing pin and located inside the fixing groove, and a fixing handle is fixedly connected to one side of the fixing pin;

[0011] A fixing hole is arranged inside the sliding block.

[0012] Preferably, the sliding groove 3 is an arc-shaped groove, and the sliding block 31 is an arc-shaped block adapted to the sliding groove 3 .

[0013] Preferably, the number of the sliding grooves and the number of the sliding blocks are both two, the two sliding grooves are both opened inside the shell, and the two sliding blocks are slidably connected to the inside of the two sliding grooves respectively.

[0014] Preferably, a limiting sleeve is provided inside the filter box, and a limiting ring is fixedly connected inside the filter box.

[0015] Preferably, a positioning assembly is provided inside the filter box, and the positioning assembly comprises a positioning groove, and a positioning block is slidably connected inside the positioning groove.

[0016] Preferably, a mounting groove is provided inside the positioning block, and a magnet is fixedly connected inside the mounting groove.

[0017] A dustproof chassis comprises a shell, an antenna arranged on one side of the shell and the dustproof filter fixing device, wherein the antenna is fixedly installed on one side of the shell.

[0018] Compared with the related art, the dustproof filter fixing device and dustproof chassis provided by the utility model have the following beneficial effects:

[0019] The utility model provides a dust-proof filter screen fixing device and a dust-proof chassis, which drives two fixing pins to move to one side by pressing a fixing handle, and when the two fixing pins are separated from the two fixing holes, the fixing ring is rotated to one side to drive the two sliding blocks to move to a suitable position in the inside of the two sliding grooves, and then the fixing ring is moved to one side to be taken out, and the filter screen inside the filter box can be disassembled, thereby facilitating the installation and disassembly of the filter screen inside the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a first embodiment of a dust filter fixing device and a dustproof chassis provided by the utility model;

[0021] Figure 2 for Figure 1 The structural schematic diagram of the fixing groove shown;

[0022] Figure 3 for Figure 1 The structural schematic diagram of the filter shown;

[0023] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0024] Figure 5 A schematic structural diagram of a second embodiment of a dust filter fixing device and a dustproof chassis provided by the utility model;

[0025] Figure 6 for Figure 5 The structural schematic diagram of the positioning component shown;

[0026] Figure 7 for Figure 6 An enlarged schematic diagram of part B is shown;

[0027] Figure 8 This is a schematic diagram of the structure of the dustproof chassis.

[0028] Numbers in the figure: 1, shell, 2, filter box, 3, sliding groove, 31, sliding block, 32, fixing ring, 4, fixing groove, 41, fixing pin, 42, fixing spring, 43, fixing handle, 5, fixing hole, 6, filter net, 7, limiting sleeve, 8, limiting ring, 9, positioning assembly, 91, positioning groove, 92, positioning block, 10, mounting groove, 11, magnet, 12, antenna. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] First embodiment

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a dust filter fixing device and a dustproof chassis provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the fixing groove shown; Figure 3 for Figure 1 The structural schematic diagram of the filter shown; Figure 4 for Figure 2 A dust filter fixing device includes:

[0032] A housing 1, wherein a filter box 2 is fixedly installed inside the housing 1, and a filter screen 6 is arranged inside the filter box 2;

[0033] A sliding groove 3, wherein the sliding groove 3 is arranged inside the housing 1, a sliding block 31 is slidably connected inside the sliding groove 3, and a fixing ring 32 is fixedly connected to one side of the sliding block 31;

[0034] A fixing groove 4, wherein the fixing groove 4 is arranged inside the housing 1, a fixing pin 41 is slidably connected inside the fixing groove 4, a fixing spring 42 is arranged at one end of the fixing pin 41 and located inside the fixing groove 4, and a fixing handle 43 is fixedly connected to one side of the fixing pin 41;

[0035] The fixing hole 5 is arranged inside the sliding block 31 .

[0036] Two filter screens 6 are slidably connected inside the filter box 2 .

[0037] Two fixing grooves 4 are formed inside the housing 1 , and fixing pins 41 are slidably connected inside the two fixing grooves 4 . The tops of the two fixing pins 41 are fixedly connected to two ends of a fixing handle 43 .

[0038] The fixed handle 43 includes a semicircular ring and a push rod, both ends of the semicircular ring are fixedly connected to the tops of the two fixing pins 41, one end of the push rod is fixedly connected to one side of the semicircular ring, and the push rod is slidably connected to the inside of the circular shell 1, and is used to drive the semicircular ring to move to one side when the push rod is pressed to one side, thereby driving the two fixing pins 41 to move to one side.

[0039] The filter box 2 is fixedly installed inside the housing 1 , and two filter screens 6 are slidably connected inside the filter box 2 . After the fixing ring 32 is installed, the filter screens 6 inside the filter box 2 are limited.

[0040] The sliding groove 3 is an arc-shaped groove, and the sliding block 31 is an arc-shaped block matched with the sliding groove 3 .

[0041] There are two sliding grooves 3 and two sliding blocks 31 . The two sliding grooves 3 are both opened inside the housing 1 . The two sliding blocks 31 are slidably connected to the inside of the two sliding grooves 3 , respectively.

[0042] A hidden groove is provided on one side of the two sliding grooves 3, and one side of the two sliding blocks 31 is fixedly connected to one side of the fixed ring 32, which is used to drive the two sliding blocks 31 to move to one side inside the two sliding grooves 3 when the fixed ring 32 rotates to one side, and then enter the two hidden grooves to initially limit the fixed ring 32.

[0043] The two sliding blocks 31 are each provided with a fixing hole 5 matched with the fixing pin 41 , so as to limit the two sliding blocks 31 after the two fixing pins 41 enter the two fixing holes 5 respectively, thereby fixing the fixing ring 32 .

[0044] A dustproof chassis comprises a shell 1, an antenna 12 arranged on one side of the shell 1 and the dustproof filter fixing device, wherein the antenna 12 is fixedly installed on one side of the shell 1.

[0045] The housing 1 is a gateway chassis.

[0046] The working principle of a dustproof filter fixing device and a dustproof chassis provided by the utility model is as follows:

[0047] During use, when the filter 6 needs to be disassembled, the fixing handle 43 is pressed to one side to drive the two fixing pins 41 to move to one side inside the two fixing grooves 4 while squeezing the two fixing springs 42. When the two fixing pins 41 move to one side and the two fixing holes 5 are separated.

[0048] Rotate the fixing ring 32 to one side to drive the two sliding blocks 31 to move to one side inside the two sliding grooves 3 respectively. When the two sliding blocks 31 are moved to one side to suitable positions inside the two sliding grooves 3 respectively, move the fixing ring 32 to one side to drive the two sliding blocks 31 to move to one side inside the two sliding grooves 3 respectively and separate, and then the fixing ring 32 can be removed.

[0049] After a new filter screen 6 or a cleaned filter screen 6 is installed into the interior of the filter box 2, the two sliding blocks 31 are inserted into the interior of the two sliding grooves 3, and the fixing ring 32 is rotated to one side to drive the two sliding blocks 31 to move to the appropriate positions in the interior of the two sliding grooves 3. After the fixing handle 43 is released, the two fixing springs 42 push the two fixing pins 41 to move to one side in the interior of the two fixing grooves 4. When the two fixing pins 41 move to one side and enter the interior of the two fixing holes 5, the two sliding blocks 31 are fixed, thereby limiting the fixing ring 32.

[0050] Compared with the related art, the dustproof filter fixing device and dustproof chassis provided by the utility model have the following beneficial effects:

[0051] The utility model provides a dust-proof filter fixing device and a dust-proof chassis, by pressing the fixing handle 43 to drive the two fixing pins 41 to move to one side, when the two fixing pins 41 are separated from the two fixing holes 5, the fixing ring 32 is rotated to one side to drive the two sliding blocks 31 to move to the appropriate positions in the two sliding grooves 3, and then the fixing ring 32 is moved to one side to be taken out, and the filter 6 inside the filter box 2 can be disassembled, thereby facilitating the installation and disassembly of the filter 6 inside the filter box 2.

[0052] Second embodiment

[0053] Please refer to Figure 5 , Figure 6 and Figure 7 Based on the dust filter fixing device and dustproof chassis provided in the first embodiment of the present application, the second embodiment of the present application proposes another dust filter fixing device and dustproof chassis. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0054] Specifically, the difference between a dust filter fixing device and a dustproof chassis provided in the second embodiment of the present application is that, in a dust filter fixing device and a dustproof chassis, a limiting sleeve 7 is arranged inside the filter box 2, and a limiting ring 8 is fixedly connected to the inside of the filter box 2.

[0055] Two limiting sleeves 7 are slidably connected inside the filter box 2 , four limiting rings 8 are fixedly connected inside the filter box 2 , and two filter screens 6 are slidably connected between the two limiting rings 8 for limiting the positions of the two filter screens 6 .

[0056] The filter box 2 can be fixedly installed on one side of the fixing ring 32, so as to drive the filter box 2 to move to one side when the fixing ring 32 is moved to one side.

[0057] A positioning assembly 9 is disposed inside the filter box 2 . The positioning assembly 9 includes a positioning groove 91 . A positioning block 92 is slidably connected inside the positioning groove 91 .

[0058] Four positioning grooves 91 are formed inside the filter box 2 , and positioning blocks 92 are slidably connected inside the four positioning grooves 91 . The tops of the four positioning blocks 92 are fixedly connected to the two ends of the two limiting sleeves 7 .

[0059] A mounting groove 10 is formed inside the positioning block 92 , and a magnet 11 is fixedly connected inside the mounting groove 10 .

[0060] The four positioning blocks 92 are each provided with an installation groove 10, and the filter box 2 is provided with four installation grooves 10. The interiors of the multiple installation grooves 10 are each fixedly connected with a magnet 11, which is used to position the limit sleeve 7 after the limit sleeve 7 is installed inside the filter box 2 by cooperating with the positioning groove 91 through the positioning block 92. At the same time, the magnet 11 inside the positioning block 92 and the magnet 11 inside the filter box 2 are adsorbed on each other to limit the limit sleeve 7.

[0061] The working principle of a dustproof filter fixing device and a dustproof chassis provided by the utility model is as follows:

[0062] When in use, the limit sleeve 7 is moved upward to drive the two positioning blocks 92 to move upward and separate inside the two positioning grooves 91 respectively. At the same time, when the positioning blocks 92 move upward, the two magnets 11 are separated, so that the filter screen 6 is disassembled.

[0063] Compared with the related art, the dustproof filter fixing device and dustproof chassis provided by the utility model have the following beneficial effects:

[0064] The utility model provides a dust-proof filter fixing device and a dust-proof chassis, which facilitates the removal of the two filters 6 separately by moving the limit sleeve 7 upward to drive the two positioning blocks 92 to move upward and separate inside the two positioning grooves 91, and can also remove the following filters 6 without removing the first filter 6.

[0065] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dust filter fixing device, characterized in that: include: A housing, wherein a filter box is fixedly installed inside the housing, and a filter screen is arranged inside the filter box; A sliding groove, the sliding groove is arranged inside the housing, a sliding block is slidably connected inside the sliding groove, and a fixing ring is fixedly connected to one side of the sliding block; A fixing groove, the fixing groove is arranged inside the shell, a fixing pin is slidably connected inside the fixing groove, a fixing spring is arranged at one end of the fixing pin and located inside the fixing groove, and a fixing handle is fixedly connected to one side of the fixing pin; A fixing hole is arranged inside the sliding block.

2. A dust filter fixing device according to claim 1, characterized in that: The sliding groove is an arc-shaped groove, and the sliding block is an arc-shaped block matched with the sliding groove.

3. A dust filter fixing device according to claim 1, characterized in that: The number of the sliding grooves and the number of the sliding blocks are both two, the two sliding grooves are both opened inside the shell, and the two sliding blocks are respectively slidably connected to the inside of the two sliding grooves.

4. A dust filter fixing device according to claim 1, characterized in that: A limiting sleeve is arranged inside the filter box, and a limiting ring is fixedly connected inside the filter box.

5. A dust filter fixing device according to claim 4, characterized in that: A positioning assembly is arranged inside the filter box. The positioning assembly comprises a positioning groove. A positioning block is slidably connected inside the positioning groove.

6. A dust filter fixing device according to claim 5, characterized in that: A mounting groove is provided inside the positioning block, and a magnet is fixedly connected inside the mounting groove.

7. A dustproof chassis, characterized in that: It comprises a shell, an antenna arranged on one side of the shell, and a dust filter fixing device as described in any one of claims 1 to 6, wherein the antenna is fixedly installed on one side of the shell.

Images