Modularized fan filter unit (FFU)

Abstract

The utility model relates to the technical field of fans, and discloses a modularized FFU fan air supply unit which comprises an air supply box body, an HEPA filter element is installed on the inner side of the air supply box body, a sealing plate is fixedly connected to one side of the HEPA filter element, a rectangular movable opening is formed in one side of the air supply box body, the sealing plate is attached to the inner wall of the rectangular movable opening, and the sealing plate is fixedly connected with the inner wall of the rectangular movable opening. The outer wall of one side of the sealing plate is fixedly connected with the push-pull plate, and the outer wall of one side of the push-pull plate is fixedly connected with positioning rods which are symmetrically arranged. The pressing rod is pressed to move downwards through the sliding notch, the pressing rod drives the positioning clamping block to move downwards until the positioning clamping block is separated from the positioning notch, then the push-pull plate is pulled to move transversely, the push-pull plate drives the sealing plate to move transversely, the sealing plate drives the HEPA filter element to move transversely, and the HEPA filter element is sealed. And the HEPA filter element can be cleaned until the HEPA filter element penetrates through the rectangular movable opening and moves to the outer side of the air supply box body, and the air supply device is practical and suitable for being widely popularized and used.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, concretely relates to a modularization FFU fan air supply unit. BACKGROUND

[0002] FFU fan filter unit, it is a kind of modularization end air supply device with filtering efficiency, fan filter unit is and filtered to air from top HEPA filter element, and clean air is evenly sent in the whole air outlet surface after filtering.

[0003] FFU fan filter unit can be modularly connected, and FFU fan filter unit is widely used in dust-free room, dust-free operation platform, dust-free production line and assembly type dust-free room and other application occasions, FFU fan filter unit can be used to make simple clean workbench, clean shed, clean transfer cabinet and clean wardrobe, after long-term work, FFU fan filter unit needs to be disassembled HEPA filter element to clean, to ensure the filtering effect of HEPA filter element in FFU fan filter unit, however, the current disassembly mode of HEPA filter element needs to be disassembled the whole air supply box, the disassembly process of HEPA filter element is too cumbersome, in view of this, the utility model discloses a modularization FFU fan air supply unit to solve the above problems. UTILITY MODEL CONTENTS

[0004] To solve the current disassembly mode of HEPA filter element needs to be disassembled the whole air supply box, the disassembly process of HEPA filter element is too cumbersome, the basic concept of technical scheme adopted by the utility model is:

[0005] A kind of modularization FFU fan air supply unit, including air supply box, HEPA filter element is installed in the inside of air supply box, the side of HEPA filter element is fixedly connected with sealing plate, the side of air supply box is provided with rectangular movable port, the inner wall of sealing plate and rectangular movable port is attached, the side outer wall of sealing plate is fixedly connected with push-pull plate, the side outer wall of push-pull plate is fixedly connected with the positioning rod of symmetrical arrangement, positioning slot is formed in the two positioning rods, the two sides outer wall of air supply box is fixedly connected with the limiting seat of symmetrical arrangement, the top of two limiting seats is provided with movable slot, the inner wall of two movable slots is slidably connected with the positioning block of wedge structure, two positioning blocks are slidably arranged on the inner wall of two positioning slots respectively, the inner wall of the bottom of two movable slots is fixedly connected with compression spring, and the top of two compression springs is fixedly connected on the outer wall of the bottom of two positioning blocks respectively, the side of two limiting seats is provided with sliding slot, and movable slot and sliding slot are communicated, the inner wall of two sliding slots is slidably connected with pressing rod, and one end of two pressing rods is fixedly connected on the outer wall of one side of two positioning blocks respectively.

[0006] As a preferred embodiment of the utility model, support plate is fixedly connected to the inner wall of one side of the air supply box body, and the bottom of the side of the HEPA filter core away from the sealing plate is in contact with the outer wall of the top of the support plate.

[0007] As a preferred embodiment of the utility model, mounting shell is fixedly installed on the middle part of the top of the air supply box body, and the fan is installed on the inner side of the mounting shell.

[0008] As a preferred embodiment of the utility model, top cover is installed on the top of the mounting shell through bolts, air inlets are formed on the top cover in equidistant distribution, and the top of the fan is installed on the outer wall of the bottom of the top cover.

[0009] As a preferred embodiment of the utility model, ventilation opening is formed in the middle part of the top of the air supply box body, the fan is located directly above the ventilation opening, and the air inlets and the ventilation opening are communicated.

[0010] As a preferred embodiment of the utility model, mounting plate is fixedly installed on the bottom of the air supply box body, and air outlets are formed on the mounting plate in equidistant distribution.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The HEPA filter core installed in the air supply box body filters the inhaled air, and after long-term work, the pressing rod is moved downward by pressing through the sliding slot, the positioning clamping block is moved downward by the pressing rod, until the positioning clamping block is separated from the positioning slot, then the push-pull plate is moved transversely, the sealing plate is moved transversely by the push-pull plate, the sealing plate drives the HEPA filter core to move transversely, until the HEPA filter core moves to the outside of the air supply box body through the rectangular movable opening, then the HEPA filter core can be cleaned, when the HEPA filter core is cleaned, the HEPA filter core is pushed into the inside of the air supply box through the rectangular movable opening by the push-pull plate and the sealing plate, when the HEPA filter core is pushed to a certain position, the positioning rod end position extrudes the positioning clamping block, until the positioning slot moves to the positioning clamping block, at this time, the positioning clamping block can be pushed into the positioning slot under the action of the compression spring, the positioning effect of the positioning rod is realized, at the same time, the sealing plate and the inner wall of the rectangular movable opening are attached, so that the positioning and installation of the HEPA filter core are completed, the entire case does not need to be disassembled, the disassembly process of the HEPA filter core is more convenient, and the HEPA filter core can be disassembled efficiently.

[0013] The specific embodiments of the utility model will be further described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] In the drawings:

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the side view structure schematic view of the utility model;

[0017] Figure 3 It is the side view structure schematic view of the utility model air supply box body;

[0018] Figure 4 It is the side view structure schematic view of the utility model air supply box body when HEPA filter core is disassembled;

[0019] Figure 5 It is the HEPA filter core structure schematic view of the utility model;

[0020] Figure 6 It is the limiting seat section structure schematic view of the utility model.

[0021] In the drawing: 1, air supply box body; 2, mounting plate; 3, mounting shell; 4, top cover; 5, air inlet; 6, rectangular movable mouth; 7, sealing plate; 8, push-pull plate; 9, limiting seat; 10, positioning rod; 11, air outlet; 12, HEPA filter core; 13, support plate; 14, fan; 15, positioning notch; 16, movable slot; 17, positioning clamping block; 18, compression spring; 19, sliding notch; 20, pressing rod. Specific embodiments

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0023] As Figures 1 to 6 shown

[0024] The utility model provides a modular FFU fan -forced air unit, including the air supply box 1, install HEPA filter core 12 in the air supply box 1 inboard, one side fixedly connected with sealing plate 7, the air supply box 1 one side is provided with rectangular movable mouth 6, and the sealing plate 7 and rectangular movable mouth 6 inner wall are pasted, one side outer wall of sealing plate 7 is fixedly connected with push -and -pull plate 8, one side outer wall of push -and -pull plate 8 is fixedly connected with the positioning rod 10 of symmetrical arrangement, and the positioning slot 15 is set up on two positioning rods 10, and the limiting seat 9 of symmetrical arrangement is fixedly connected with the air supply box 1 both sides outer wall, and the movable slot 16 is set up on the top of two limiting seats 9, and the positioning clamping block 17 of wedge structure is slidably connected in the movable slot 16 inner wall, two positioning clamping blocks 17 are slidably arranged on the inner wall of two positioning slot 15 respectively, the compression spring 18 is fixedly connected on the bottom outer wall of two positioning clamping blocks 17 respectively, and the sliding slot 19 is set up in the one side of two limiting seats 9, and movable slot 16 and sliding slot 19 are communicated, and the presser bar 20 is slidably connected in the sliding slot 19 inner wall, and the presser bar 20 one end is fixedly connected on the one side outer wall of two positioning clamping blocks 17 respectively, when long -term work, press the presser bar 20 and move down through sliding slot 19, and the presser bar 20 drives positioning clamping block 17 and moves down, until positioning clamping block 17 is separated from the positioning slot 15, then pull the push -and -pull plate 8 and move laterally, and the push -and -pull plate 8 drives sealing plate 7 and moves laterally, so that sealing plate 7 drives HEPA filter core 12 and moves laterally, until HEPA filter core 12 moves to the air supply box 1 outside through rectangular movable mouth 6, then can clean HEPA filter core 12, when HEPA filter core 12 is cleaned, drive HEPA filter core 12 to the air supply box 1 inboard through rectangular movable mouth 6 through push -and -pull plate 8 and sealing plate 7, when being pushed to certain position, the positioning rod 10 end position is extruded to positioning clamping block 17, until the positioning slot 15 moves to the right above positioning clamping block 17, at this moment under the action of compression spring 18, positioning clamping block 17 can be pushed into the positioning slot 15, realize the positioning effect of positioning rod 10, sealing plate 7 and rectangular movable mouth 6 inner wall are pasted simultaneously, thereby the positioning installation of HEPA filter core 12 is completed.

[0025] In the specific embodiment, the air supply box 1 is fixedly connected with a support plate 13 on one side, the HEPA filter core 12 is in contact with the top outer wall of the support plate 13 on the side bottom away from the sealing plate 7, the air supply box 1 is fixedly installed with the mounting shell 3 on the top middle outer wall, the fan 14 is installed in the mounting shell 3, the top cover 4 is installed on the top of the mounting shell 3 through bolts, the air inlet 5 is formed on the top cover 4, the fan 14 is installed on the bottom outer wall of the top cover 4, the air supply box 1 is provided with a ventilation port on the top middle portion, the fan 14 is located directly above the ventilation port, the air inlet 5 is communicated with the ventilation port, the air supply box 1 is fixedly installed with the mounting plate 2 on the bottom, the air outlet 11 is formed on the mounting plate 2, air is sucked into the air supply box 1 from the top through the fan 14 and the air inlet 5, the sucked air is filtered through the HEPA filter core 12 installed in the air supply box 1, the filtered clean air is discharged through the air outlet 11, and the filtering effect of air is achieved.

[0026] The implementation principle of the modular FFU fan air supply unit of the embodiment is as follows:

[0027] In specific use, air is sucked into the air supply box 1 from the top through the fan 14 and the air inlet 5, the sucked air is filtered through the HEPA filter core 12 installed in the air supply box 1, the filtered clean air is discharged through the air outlet 11, and the filtering effect of air is achieved. After long-term work, the pressing rod 20 is moved downward by pressing the pressing rod 20 through the sliding slot 19, the positioning clamping block 17 is moved downward by the pressing rod 20, until the positioning clamping block 17 is separated from the positioning slot 15, then the push-pull plate 8 is moved transversely, the sealing plate 7 is moved transversely by the push-pull plate 8, the HEPA filter core 12 is moved transversely by the sealing plate 7, until the HEPA filter core 12 moves through the rectangular movable port 6 to the outside of the air supply box 1, then the HEPA filter core 12 can be cleaned. After the HEPA filter core 12 is cleaned, the HEPA filter core 12 is pushed to the inside of the air supply box 1 through the rectangular movable port 6 by the push-pull plate 8 and the sealing plate 7, when the HEPA filter core 12 is pushed to a certain position, the positioning clamping block 17 is extruded by the end position of the positioning rod 10, until the positioning slot 15 is moved to the upper side of the positioning clamping block 17, at this time the positioning clamping block 17 is pushed into the positioning slot 15 under the action of the compression spring 18, the positioning effect of the positioning rod 10 is realized, at the same time the sealing plate 7 and the inner wall of the rectangular movable port 6 are attached, so that the positioning and installation of the HEPA filter core 12 are completed.

Claims

1. A modular FFU fan air supply unit, comprising an air supply box (1), characterized in that: A HEPA filter element (12) is installed on the inner side of the air supply box (1), and a sealing plate (7) is fixedly connected to one side of the HEPA filter element (12). A rectangular movable opening (6) is provided on one side of the air supply box (1), and the sealing plate (7) and the inner wall of the rectangular movable opening (6) are in contact with each other. A push-pull plate (8) is fixedly connected to the outer wall of one side of the sealing plate (7), and a symmetrically arranged positioning rod (10) is fixedly connected to the outer wall of one side of the push-pull plate (8), and two positioning rods (10) are provided with positioning notches (15). The outer walls of both sides of the air supply box (1) are fixedly connected to symmetrically arranged limit seats (9), and the tops of the two limit seats (9) are provided with movable grooves (16). The two movable The inner walls of the grooves (16) are slidably connected to positioning blocks (17) of a wedge-shaped structure, and the two positioning blocks (17) are slidably set on the inner walls of the two positioning slots (15), respectively. The inner walls of the bottoms of the two movable grooves (16) are fixedly connected to compression springs (18), and the tops of the two compression springs (18) are fixedly connected to the outer walls of the bottoms of the two positioning blocks (17), respectively. One side of the two limit seats (9) is provided with a sliding slot (19), and the movable groove (16) and the sliding slot (19) are communicated with each other. The inner walls of the two sliding slots (19) are slidably connected to pressing rods (20), and one end of the two pressing rods (20) is fixedly connected to the outer wall of one side of the two positioning blocks (17).

2. A modular FFU fan air supply unit according to claim 1, characterized in that: A support plate (13) is fixedly connected to the inner wall of one side of the air supply box (1), and the bottom of the side of the HEPA filter element (12) away from the sealing plate (7) is in contact with the outer wall of the top of the support plate (13).

3. A modular FFU fan air supply unit according to claim 1, characterized in that: A mounting shell (3) is fixedly mounted on the outer wall of the middle portion of the top of the air supply box body (1), and a fan (14) is mounted on the inner side of the mounting shell (3).

4. A modular FFU fan air supply unit according to claim 3, characterized in that: A top cover (4) is mounted on the top of the mounting housing (3) via bolts. The top cover (4) is provided with air inlets (5) distributed at equal intervals. The top of the fan (14) is mounted on the bottom outer wall of the top cover (4).

5. A modular FFU fan air supply unit according to claim 4, characterized in that: A vent is provided in the middle of the top of the air supply box (1), the fan (14) is located directly above the vent, and the air inlet (5) is in communication with the vent.

6. A modular FFU fan air supply unit according to claim 1, characterized in that: A mounting plate (2) is fixedly mounted on the bottom of the air supply box (1), and air outlets (11) are equidistantly distributed on the mounting plate (2).

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