FFU (fan filter unit)

Abstract

The utility model discloses an FFU (fan filter unit), which relates to the technical field of fan filters, and comprises a machine body, a ceiling, a fan filter unit, a fan filter unit, a fan filter unit, a fan filter unit, a fan filter unit, a fan filter unit and a fan filter unit, the ceiling is positioned at the bottom of the machine body, and a through hole is formed in the middle of the ceiling; according to the FFU fan filter unit, the dismounting assembly is arranged between the ceiling and the air diffuser, when a filter element needs to be replaced, a user pulls a moving block, so that the moving block drives a positioning block to move along a moving groove and the interior of a positioning groove, the positioning block drives a limiting block to move along the interior of a limiting groove, and then the filter element is replaced. The air diffuser falls down from the interior of the through hole, and meanwhile, the clamping block is separated from the interior of the clamping groove, so that the air diffuser is detached, then the filter element can be detached and replaced, the structure is simple, operation is convenient, and the replacement efficiency of the filter element is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan filters, in particular to an FFU fan filter unit. Background Art

[0002] A fan filter unit (FFU) is a self-powered air filter device. It is a modular terminal air supply device with filtering function. The fan filter unit draws air from the top and filters it through the filter element. The filtered clean air is evenly distributed through the diffuser.

[0003] In the process of replacing the filter element of the existing filter unit, the diffuser needs to be disassembled, and the corresponding multiple sets of bolts need to be removed one by one during the disassembly process of the diffuser, which is time-consuming and labor-intensive, and the diffuser cannot be disassembled quickly, thereby reducing the replacement efficiency of the filter element. For this reason, the utility model proposes an FFU fan filter unit. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides an FFU fan filter unit, which solves the problems in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an FFU fan filter unit, including a body, and also including:

[0006] A ceiling, the ceiling being located at the bottom of the machine body and having a through hole in the middle thereof;

[0007] A disassembly assembly, wherein the diffuser and the through hole are connected via the disassembly assembly;

[0008] The disassembly assembly includes a card slot opened inside the through hole, a card block connected to the outside of the diffuser, a movable slot opened at the bottom of the card block, a limit slot opened inside the movable slot, a positioning slot opened inside the card slot, a positioning block and a movable block arranged inside the movable slot, a limit block connected to the outside of the positioning block, and a support spring.

[0009] Furthermore, an FFU fan filter unit also includes:

[0010] The fan is located at the top of the ceiling, and a mounting hole adapted to the fan is opened at the top of the ceiling, and the fan is connected to the mounting hole by bolts.

[0011] Furthermore, an FFU fan filter unit also includes:

[0012] The filter element is located inside the machine body, and a diffuser is provided at the bottom of the filter element.

[0013] Furthermore, the number of the card slots is four and they are distributed in an array, the card slots are connected to the through holes, the thickness of the card slots is less than the thickness of the ceiling, the card blocks are fixedly connected to the diffuser, the number of the card blocks is equal to the number of the card slots, and the two are adapted to each other.

[0014] Furthermore, the number of the movable slots is equal to the number of the card blocks, and the limiting slot is connected to the movable slot, and the positioning slot is connected to the card slot. The positioning slot is a rectangular structure, and the positioning slot corresponds to one end of the movable slot.

[0015] Furthermore, the positioning block is adapted to the movable groove, the positioning block is adapted to the positioning groove, the movable block and the positioning block are fixedly connected, the limiting block and the positioning block are fixedly connected, the number of limiting blocks is twice the number of positioning blocks, the limiting block is adapted to the limiting groove, and the two ends of the support spring are respectively connected to the positioning block and the movable groove.

[0016] Compared with the above-mentioned background technology, the FFU fan filter unit provided in this application includes a body, a filter element, a diffuser and a disassembly assembly. In order to realize the rapid replacement of the filter element, the positioning block is driven out of the positioning groove by pulling the movable block, so that the card block on the outside of the diffuser is disengaged from the inside of the card groove, thereby disassembling the diffuser and quickly replacing the filter element.

[0017] The utility model provides an FFU fan filter unit. Compared with the existing technology, it has the following beneficial effects:

[0018] An FFU fan filter unit, by arranging a disassembly component between the ceiling and the diffuser, when the filter element needs to be replaced, the user pulls the moving block, so that the moving block drives the positioning block to move along the moving groove and the inside of the positioning groove, so that the positioning block drives the limit block to move along the inside of the limit groove until the positioning block is disengaged from the inside of the positioning groove, and then the diffuser is dropped from the inside of the through hole, and the clamping block is disengaged from the inside of the clamping groove, so that the diffuser is disassembled, and then the filter element can be disassembled and replaced. The structure is simple, the operation is convenient, and the replacement efficiency of the filter element is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of an FFU fan filter unit;

[0020] Figure 2 This is another perspective view of an FFU fan filter unit;

[0021] Figure 3 This is a partial disassembled diagram of an FFU fan filter unit;

[0022] Figure 4It is a FFU fan filter unit Figure 3 A magnified view of middle A;

[0023] Figure 5 This is a side sectional view of an FFU fan filter unit;

[0024] Figure 6 It is a FFU fan filter unit Figure 5 Magnified view of B.

[0025] In the figure: 1. Machine body; 2. Ceiling; 3. Fan; 4. Through hole; 5. Filter element; 6. Diffuser; 7. Disassembly assembly; 71. Slot; 72. Block; 73. Moving slot; 74. Limiting slot; 75. Positioning slot; 76. Positioning block; 77. Moving block; 78. Limiting block; 79. Support spring. DETAILED DESCRIPTION

[0026] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-6 The utility model provides a technical solution for an FFU fan-filter unit: an FFU fan-filter unit, comprising a body 1, and also comprising: a ceiling 2, the ceiling 2 being located at the bottom of the body 1, and a through-hole 4 being opened in the middle of the ceiling 2; a disassembly component 7, the diffuser 6 and the through-hole 4 being connected via the disassembly component 7, the disassembly component 7 comprising a card slot 71 opened inside the through-hole 4, a card block 72 connected to the outside of the diffuser 6, a movable slot 73 opened at the bottom of the card block 72, a limiting slot 74 opened inside the movable slot 73, a positioning slot 75 opened inside the card slot 71, a positioning block 76 and a movable block 77 arranged inside the movable slot 73, a limiting block 78 connected to the outside of the positioning block 76, and a support spring 79.

[0028] Among them, the fan 3 is located at the top of the ceiling 2, and the top of the ceiling 2 is provided with a mounting hole that is compatible with the fan 3. The fan 3 and the mounting hole are connected by bolts. The filter element 5 is located inside the body 1, and a diffuser 6 is provided at the bottom of the filter element 5, which is conducive to sucking air into the interior of the body 1 and filtering it through the filter element 5. The filtered clean air is evenly delivered from the diffuser 6.

[0029] In addition, the number of the card slots 71 is four and they are distributed in an array. The card slots 71 are connected to the through holes 4. The thickness of the card slots 71 is less than the thickness of the ceiling 2. The card blocks 72 are fixedly connected to the diffuser 6. The number of card blocks 72 is equal to the number of card slots 71, and the two are adapted to each other. The number of movable slots 73 is equal to the number of card blocks 72, and the limiting slots 74 are connected to the movable slots 73. The positioning slots 75 are connected to the card slots 71. The positioning slots 75 are rectangular in structure. The positioning slots 75 are connected to the movable slots 73. Corresponding to one end, the positioning block 76 is adapted to the movable groove 73, the positioning block 76 is adapted to the positioning groove 75, the movable block 77 is fixedly connected to the positioning block 76, the limiting block 78 is fixedly connected to the positioning block 76, the number of limiting blocks 78 is twice the number of positioning blocks 76, the limiting block 78 is adapted to the limiting groove 74, and the two ends of the support spring 79 are respectively connected to the positioning block 76 and the movable groove 73, which is conducive to the rapid disassembly of the diffuser 6 and the convenient replacement of the filter element 5.

[0030] When the FFU fan filter unit is in use, the air at the top of the body 1 is sucked into the body 1 through the fan 3, and then filtered by the filter element 5. The filtered clean air is then evenly delivered from the diffuser 6.

[0031] It should be noted that through the setting of the disassembly component 7, when the filter element 5 needs to be replaced, the user holds the moving block 77, so that the moving block 77 drives the positioning block 76 to move along the inside of the moving groove 73 and the positioning groove 75, so that the positioning block 76 drives the limit block 78 to move along the inside of the limit groove 74, and at the same time the support spring 79 is compressed until the positioning block 76 is disengaged from the inside of the positioning groove 75, and then the diffuser 6 is dropped from the inside of the through hole 4, so that the blocking block 72 on the outside of the diffuser 6 is disengaged from the inside of the blocking groove 71, thereby disassembling the diffuser 6, and then the filter element 5 can be disassembled and replaced. The structure is simple, the operation is convenient, and the replacement efficiency of the filter element 5 is improved.

Claims

1. A FFU fan filter unit, comprising a body (1), characterized in that: Also includes: A ceiling (2), the ceiling (2) being located at the bottom of the machine body (1), and a through hole (4) being opened in the middle of the ceiling (2); A disassembly assembly (7) comprises a clamping groove (71) provided inside the through hole (4), a clamping block (72) connected to the outside of the diffuser (6), a moving groove (73) provided at the bottom of the clamping block (72), a limiting groove (74) provided inside the moving groove (73), a positioning groove (75) provided inside the clamping groove (71), a positioning block (76) and a moving block (77) provided inside the moving groove (73), a limiting block (78) connected to the outside of the positioning block (76), and a supporting spring (79).

2. The FFU fan filter unit according to claim 1, characterized in that: Also includes: A fan (3) is located on the top of the ceiling (2), and a mounting hole adapted to the fan (3) is provided on the top of the ceiling (2), and the fan (3) is connected to the mounting hole via bolts.

3. The FFU fan filter unit according to claim 1, characterized in that: Also includes: A filter core (5) is located inside the machine body (1), and a diffuser (6) is provided at the bottom of the filter core (5).

4. The FFU fan filter unit according to claim 1, characterized in that: The number of the card slots (71) is four and they are distributed in an array. The card slots (71) are connected to the through holes (4). The thickness of the card slots (71) is less than the thickness of the ceiling (2). The card blocks (72) are fixedly connected to the diffuser (6). The number of the card blocks (72) is equal to the number of the card slots (71), and the two are adapted to each other.

5. The FFU fan filter unit according to claim 1, characterized in that: The number of the movable slots (73) is equal to the number of the clamping blocks (72), and the limiting slot (74) is connected to the movable slot (73), and the positioning slot (75) is connected to the clamping slot (71). The positioning slot (75) is a rectangular structure, and the positioning slot (75) corresponds to one end of the movable slot (73).

6. The FFU fan filter unit according to claim 1, characterized in that: The positioning block (76) is adapted to the movable groove (73), the positioning block (76) is adapted to the positioning groove (75), the movable block (77) is fixedly connected to the positioning block (76), the limiting block (78) is fixedly connected to the positioning block (76), the number of the limiting blocks (78) is twice the number of the positioning blocks (76), the limiting block (78) is adapted to the limiting groove (74), and the two ends of the support spring (79) are respectively connected to the positioning block (76) and the movable groove (73).

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