Multifunctional fan filter unit set
By introducing alarm, positioning, and auxiliary mechanisms into the FFU fan filter unit, the problem of not being able to provide timely warnings when the filter is clogged is solved, enabling automatic positioning and convenient disassembly of the filter, and improving the efficiency and sealing of the fan.
Patent Information
- Application Number
- CN202520044246.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The existing FFU fan filter unit cannot provide timely warnings when the filter screen is clogged, resulting in reduced airflow. It is necessary to check the cause of the blockage one by one, which increases maintenance time and is inconvenient to use.
Design a multi-functional fan filter unit, including an alarm mechanism, a positioning mechanism, and an auxiliary mechanism. The alarm mechanism periodically reminds the user to replace or clean the filter, the positioning mechanism enables automatic positioning of the mounting frame for easy disassembly, and the auxiliary mechanism improves the sealing effect.
It provides timely warnings when the filter becomes clogged, reduces maintenance time, improves disassembly speed and sealing effect, and enhances the functionality and ease of use of the device.
Smart Images

Figure CN223923411U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan filter unit technical field, concretely relates to a multifunctional fan filter unit machine set. BACKGROUND
[0002] Dust particles can be contained in air, in order to obtain clean air, FFU fan filter unit is often used.
[0003] Through the search disclosure no.: CN219220864U discloses a kind of FFU fan filter unit, it is related to FFU fan field, including main shell, the two side edges of the main shell are symmetrically welded with fixed side block, the top surface of the fixed side block is equipped with fixed through-hole, the top surface of the main shell is equipped with top grid, the side edge of the main shell is symmetrically bolted with side box body, the bottom surface of the main shell is horizontally equipped with bottom grid, the inner side of the main shell is horizontally symmetrically bolted with inner fixed box.
[0004] Fan is filtered to air by being provided with filter unit, and with the elapse of time, a large amount of particles are adsorbed on the filter screen of filter unit, when the amount of particle adsorption reaches certain value, the air volume of fan will be affected, the prior art can only disassemble filter screen, and cannot warn filter screen blockage, so the function is relatively single, so that user needs to check a variety of reasons for blockage one by one when air volume is reduced due to blockage, which increases maintenance time, and it is relatively inconvenient to use.
[0005] Therefore, the utility model designs a kind of multifunctional fan filter unit machine set to solve above-mentioned problems. UTILITY MODEL CONTENTS
[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of multifunctional fan filter unit machine set.
[0007] To achieve the above object, the utility model is realized by the following technical schemes:
[0008] The utility model provides a multifunctional fan filter unit machine set, including fan main part, fixed installation in fan main part top's air inlet pipe, set up on the positioning mechanism, alarm mechanism and auxiliary mechanism of fan main part, the installation frame of sliding connection in the inside of fan main part, the inside fixed mounting of installation frame has filter screen, alarm mechanism includes fixed installation in the warning light of fan main part bottom, fixed installation in the sealed pipe and insulation box of fan main part inside, sliding connection in the sealed piston of sealed pipe inside, fixed mounting on the push rod of sealed piston front side wall surface, push rod respectively with sealed pipe's front side wall surface and insulation box's rear side wall surface sliding connection, fixed mounting on the spring no.
[0009] Further, the positioning mechanism includes a mounting plate fixedly installed on the inner wall of the installation frame, a positioning rod slidingly connected with the mounting plate, a limiting plate one fixedly installed on the outer wall of the positioning rod, a spring one fixedly installed on the wall surface of the limiting plate one and the mounting plate close to each other, a connecting plate fixedly installed on the end of the positioning rod away from the limiting plate one, and a connecting rod fixedly installed on the outer wall of the push rod.
[0010] Further, the outer wall of the positioning rod is slidingly connected with the inner wall of the installation frame, the positioning rod is provided with a positioning hole corresponding to the inner wall of the fan main body, the outer wall of the positioning rod and the inside of the positioning hole are slidingly inserted together, the wall surface of the connecting plate close to the limiting plate one is a circular arc surface, and the wall surface of the vertical end of the connecting rod close to the connecting plate is a circular arc surface.
[0011] Further, the auxiliary mechanism includes a fixed plate fixedly installed in the inside of the fan main body, a sealing plate slidingly installed in the inside of the fan main body, and four limiting columns fixedly installed on the top of the sealing plate.
[0012] Further, the auxiliary mechanism further includes four groups of springs three fixedly installed on the wall surfaces of the fixed plate and the sealing plate close to each other, a limiting plate two fixedly installed on the top of the four limiting columns, and a sealing strip fixedly installed on the bottom of the sealing plate.
[0013] Further, the four groups of limiting columns are distributed in a rectangular state, the four groups of limiting columns are slidingly connected with the fixed plate, the four groups of springs three are in a compressed state, and the four groups of springs three are slidingly connected with the four groups of limiting columns, respectively.
[0014] Further, the top of the installation frame is provided with a sealing groove, the sealing strip is slidingly inserted into the inside of the sealing groove, and the upper side wall surface of the installation frame and the lower side wall surface of the sealing plate are attached to each other.
[0015] Further, the left side wall surface of the sealing pipe is sealingly connected with an exhaust pipe, and the inside of the exhaust pipe is fixedly installed with an on-off valve.
[0016] Further, the fan body bottom is rotatably installed with a baffle, and the upper side wall surface of the baffle and the lower side wall surface of the installation frame are mutually attached.
[0017] Further, the outer wall of the push rod is movably arranged through the interior of spring two, and the sealing piston and spring two are slidably connected.
[0018] Compared with the prior art, the utility model has the advantages that: 1. By setting the alarm mechanism, the user can be periodically reminded to replace or clean the filter screen of the installation frame, increasing the functionality and facilitating use.
[0019] 2. By setting the positioning mechanism, the installation frame positioning state can be automatically contacted, the device can be easily disassembled, the disassembly speed is improved, the sealing effect is improved by setting the auxiliary mechanism, the installation frame can be easily taken out, and the device is convenient to use. DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.
[0021] Figure 1 It is the left side view of the whole of the present utility model;
[0022] Figure 2 It is the front view of the whole of the present utility model;
[0023] Figure 3 It is the lower side view of the whole of the present utility model;
[0024] Figure 4 It is the perspective view of the installation frame of the present utility model;
[0025] Figure 5 It is the sectional perspective view of the sealing pipe of the present utility model;
[0026] Figure 6 It is Figure 4 It is the enlarged view of place A;
[0027] Figure 7 It is the perspective view of the fixed plate of the present utility model;
[0028] Figure 8 It is the perspective view of the sealing plate of the present utility model;
[0029] Figure 9 It is Figure 8 It is the enlarged view of place B;
[0030] Figure 10 For Figure 5 Enlarged view of the place C.
[0031] The reference signs in the figures respectively represent:
[0032] 1, fan body; 2, air inlet pipe; 3, baffle; 4, positioning mechanism; 41, positioning hole; 42, mounting plate; 43, positioning rod; 44, limiting plate one; 45, spring one; 46, connecting plate; 47, connecting rod; 5, alarm mechanism; 51, warning light; 52, sealing pipe; 53, sealing piston; 54, spring two; 55, push rod; 56, conductive plate one; 57, conductive plate two; 58, air inlet pipe; 59, air outlet pipe; 60, on-off valve; 6, mounting frame; 7, auxiliary mechanism; 71, sealing groove; 72, sealing plate; 73, limiting column; 74, spring three; 75, limiting plate two; 76, sealing strip; 77, fixed plate; 8, insulation box. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0034] In the following description, "left", "right", "front", "back", "up", "down" are oriented with the perspective of the front view.
[0035] The present application will be further described below in combination with the embodiments.
[0036] Embodiment one: please refer to the accompanying drawings of the specification Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 10A multifunctional fan filtering unit set, comprising a fan body 1, an air suction device is arranged in the fan body 1, the air suction device comprises an air suction fan blade, which is prior art and will not be described here; an air inlet pipe 2 is fixedly installed at the top of the fan body 1; a positioning mechanism 4, an alarm mechanism 5 and an auxiliary mechanism 7 are arranged on the fan body 1; an installation frame 6 is slidably connected in the fan body 1, a filter screen is fixedly installed in the installation frame 6; the alarm mechanism 5 comprises a warning light 51 fixedly installed at the bottom of the fan body 1; a sealing pipe 52 and an insulation box 8 are fixedly installed in the fan body 1; a sealing piston 53 is slidably connected in the sealing pipe 52; a push rod 55 is fixedly installed on the front side wall surface of the sealing piston 53, and the push rod 55 is slidably connected with the front side wall surface of the sealing pipe 52 and the rear side wall surface of the insulation box 8 respectively; a spring 54 is fixedly installed on the wall surface close to the sealing piston 53 and the sealing pipe 52 cavity; a conductive plate 56 is slidably connected in the insulation box 8 and fixedly connected with the push rod 55; two groups of conductive plates 57 are fixedly installed in the insulation box 8, one end of the left conductive plate 57 is connected with the positive electrode of the power supply through a wire, one end of the right conductive plate 57 is connected with one pole of the warning light 51 through a wire, and the other pole of the warning light 51 is connected with the negative electrode of the power supply through a wire; an air inlet pipe 58 is sealingly connected to the left wall surface of the sealing pipe 52.
[0037] In specific use, the installation frame 6 is positioned by the positioning mechanism 4, air is sucked into the inside of the fan body 1 through the air inlet pipe 2 by the air suction device, and then the air is filtered by the filter screen on the installation frame 6, and then the clean air is discharged to the lower side of the installation frame 6, and part of the air enters the inside of the sealing pipe 52 through the air inlet pipe 58. With the passage of time, the increase of the particles adsorbed by the filter screen in the installation frame 6 will cause the pressure on the upper side of the installation frame 6 to increase, the air pressure in the sealing pipe 52 will increase, the sealing piston 53 will move forward, the spring 54 will be compressed, and the push rod 55 will move in the direction of the conductive plate 56 with the conductive plate 56. When the conductive plate 56 and the two groups of conductive plates 57 are in contact, the warning light 51 is connected to the power supply and emits light, prompting the user to clean or replace the filter screen in the installation frame 6, increasing the functionality of the device, and the user can periodically clean it. If the warning light 51 emits light when the air volume decreases, it is not necessary to analyze other causes one by one, which improves the maintenance speed and facilitates the use of the device.
[0038] Example two: on the basis of example one, please refer to the drawings in the specification Figure 1 - Figure 9The positioning mechanism 4 comprises a mounting plate 42 fixedly installed on the inner wall of the mounting frame 6, a positioning rod 43 in sliding connection with the mounting plate 42, the outer wall of the positioning rod 43 being in sliding connection with the inner wall of the mounting frame 6, the positioning rod 43 being provided with a positioning hole 41 corresponding to the inner wall of the fan main body 1, the outer wall of the positioning rod 43 and the inside of the positioning hole 41 being in sliding insertion together, a limiting plate one 44 fixedly installed on the outer wall of the positioning rod 43, a spring one 45 fixedly installed on the wall surface close to the mounting plate 42 of the limiting plate one 44, a connecting plate 46 fixedly installed on the end of the positioning rod 43 away from the limiting plate one 44, the wall surface close to the limiting plate one 44 of the connecting plate 46 being a circular arc surface, and a connecting rod 47 fixedly installed on the outer wall of the push rod 55, the vertical end of the connecting rod 47 being a circular arc surface close to the wall surface of the connecting plate 46.
[0039] The auxiliary mechanism 7 comprises a fixed plate 77 fixedly installed in the inside of the fan main body 1, a sealing plate 72 in sliding installation in the inside of the fan main body 1, four groups of limiting columns 73 fixedly installed on the top of the sealing plate 72, the four groups of limiting columns 73 being in a rectangular state and being in sliding connection with the fixed plate 77, four groups of springs three 74 fixedly installed on the wall surface close to the sealing plate 72 of the fixed plate 77, the four groups of springs three 74 all being in a compressed state and being in sliding connection with the four groups of limiting columns 73 respectively, a limiting plate two 75 fixedly installed on the top of the four groups of limiting columns 73, a sealing strip 76 fixedly installed on the bottom of the sealing plate 72, a sealing groove 71 being formed on the top of the mounting frame 6, the sealing strip 76 being in sliding insertion in the inside of the sealing groove 71, and the upper wall surface of the mounting frame 6 and the lower wall surface of the sealing plate 72 being in mutual adhesion.
[0040] The left wall surface of the sealing pipe 52 is sealingly connected with an exhaust pipe 59, the inside of the exhaust pipe 59 is fixedly installed with an on-off valve 60, and the inside of the air inlet pipe 58 is provided with a one-way valve.
[0041] The bottom of the fan main body 1 is rotationally installed with the baffle 3, and the upper wall surface of the baffle 3 and the lower wall surface of the mounting frame 6 are in mutual adhesion.
[0042] The outer wall of the push rod 55 is movably inserted through the inside of the spring two 54, and the sealing piston 53 and the spring two 54 are in sliding connection.
[0043] In specific use, when the push rod 55 moves towards the conductive plate two 57, the connecting rod 47 moves towards the connecting plate 46, when the conductive plate one 56 and the conductive plate two 57 contact, the arc surface of the connecting rod 47 and the connecting plate 46 completely contact, in the process of the arc surface of the connecting rod 47 and the connecting plate 46 contacting, the connecting plate 46 moves away from the mounting plate 42 under force, the spring one 45 is compressed, the positioning rod 43 moves away from the positioning hole 41, then the positioning rod 43 and the positioning hole 41 are separated, automatic release of positioning of the mounting frame 6 is realized, the device is convenient to disassemble, before the mounting frame 6 is taken out, the baffle 3 can be rotated until the baffle 3 and the mounting frame 6 are separated, at this time, the spring three 74 is elongated, the sealing plate 72 moves downwards with the limiting column 73, the mounting frame 6 is pushed out of the fan main body 1, the mounting frame 6 is convenient to take out, when the mounting frame 6 is installed in the fan main body 1, due to the connecting relationship between the sealing strip 76 and the sealing groove 71, the sealing between the mounting frame 6 and the fan main body 1 can be realized, the sealing effect is improved, in addition, when the mounting frame 6 is disassembled, the switch valve 60 can be operated, the inside of the exhaust pipe 59 and the inside of the sealing pipe 52 are in the through state, the air in the sealing pipe 52 is discharged through the exhaust pipe 59.
[0044] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A multifunctional fan filter unit package comprising a fan body (1) characterized by: It also includes the air inlet pipe (2) fixedly installed on the top of the fan body (1); the positioning mechanism (4), the alarm mechanism (5) and the auxiliary mechanism (7) arranged on the fan body (1); the mounting frame (6) slidably connected in the fan body (1), and the filter screen fixedly installed in the mounting frame (6); The alarm mechanism (5) comprises the warning light (51) fixedly installed on the bottom of the fan body (1); the sealing pipe (52) and the insulation box (8) fixedly installed in the fan body (1); the sealing piston (53) slidably connected in the sealing pipe (52); the push rod (55) fixedly installed on the front side wall surface of the sealing piston (53), and the push rod (55) is slidably connected with the front side wall surface of the sealing pipe (52) and the rear side wall surface of the insulation box (8) respectively; the spring two (54) fixedly installed on the wall surfaces close to the sealing piston (53) and the sealing pipe (52) cavity; the conductive plate one (56) slidably connected in the insulation box (8) and fixedly connected with the push rod (55); the two groups of conductive plate two (57) fixedly installed in the insulation box (8); and the air inlet pipe (58) sealingly connected on the left side wall surface of the sealing pipe (52).
2. The multi-functional fan filter unit package of claim 1, wherein, The positioning mechanism (4) comprises the mounting plate (42) fixedly installed on the inner wall of the mounting frame (6); the positioning rod (43) slidably connected with the mounting plate (42); the limiting plate one (44) fixedly installed on the outer wall of the positioning rod (43); the spring one (45) fixedly installed on the wall surfaces close to the limiting plate one (44) and the mounting plate (42); the connecting plate (46) fixedly installed on the end of the positioning rod (43) away from the limiting plate one (44); and the connecting rod (47) fixedly installed on the outer wall of the push rod (55).
3. The multi-functional fan filter unit package of claim 2, wherein, The outer wall of the positioning rod (43) is slidably connected with the inner wall of the mounting frame (6), the positioning rod (43) corresponds to the inner wall of the fan body (1) and is provided with the positioning hole (41), the outer wall of the positioning rod (43) and the positioning hole (41) are slidably inserted together, the wall surface close to the limiting plate one (44) of the connecting plate (46) is a circular arc surface, and the wall surface close to the connecting plate (46) of the vertical end of the connecting rod (47) is a circular arc surface.
4. The multi-functional fan filter unit package of claim 1, wherein, The auxiliary mechanism (7) comprises the fixed plate (77) fixedly installed in the fan body (1); the sealing plate (72) slidably installed in the fan body (1); and the four groups of limiting columns (73) fixedly installed on the top of the sealing plate (72).
5. The multi-functional fan filter unit package of claim 4, wherein, The auxiliary mechanism (7) further comprises the four groups of spring three (74) fixedly installed on the wall surfaces close to the fixed plate (77) and the sealing plate (72); the limiting plate two (75) fixedly installed on the top of the four groups of limiting columns (73); and the sealing strip (76) fixedly installed on the bottom of the sealing plate (72).
6. The multi-functional fan filter unit package of claim 5, wherein, The four groups of limiting columns (73) are distributed in a rectangular state, the four groups of limiting columns (73) are slidably connected with the fixed plate (77), the four groups of spring three (74) are in a compressed state, and the four groups of spring three (74) are slidably connected with the four groups of limiting columns (73) respectively.
7. The multi-functional fan filter unit package of claim 6, wherein, The top of the mounting frame (6) is provided with a sealing groove (71), a sealing strip (76) is slidingly inserted into the sealing groove (71), and the upper side wall surface of the mounting frame (6) and the lower side wall surface of the sealing plate (72) are mutually attached.
8. The multi-functional fan filter unit package of claim 1, wherein, The left side wall surface of the sealing pipe (52) is sealingly connected with an exhaust pipe (59), and the inside of the exhaust pipe (59) is fixedly installed with an on-off valve (60).
9. The multi-functional fan filter unit package of claim 1, wherein, The bottom of the fan main body (1) is rotatably installed with a baffle (3), and the upper side wall surface of the baffle (3) and the lower side wall surface of the mounting frame (6) are mutually attached.
10. The multi-functional fan filter unit package of claim 1, wherein, The outer wall of the push rod (55) movably penetrates through the inside of spring two (54), and the sealing piston (53) and spring two (54) are slidingly connected.
Citation Information
Patent Citations
Fan filter unit (FFU)
CN219220864U