FFU airtight installation structure

Abstract

The utility model discloses an FFU airtight installation structure which comprises an FFU body, an installation frame is arranged at the bottom end of the FFU body, bolts are arranged on the outer side of the installation frame and used for installing and fixing the installation frame, a filter screen is arranged at the bottom end of the installation frame, and an air bag groove is formed in the inner side of the installation frame. The air bag is located on the inner side of the air bag groove; the air inlet assembly is located at the top end of one side of the mounting frame; and the exhaust assembly is located at the top end of the other side of the mounting frame. Compared with the prior art, the air bag sealing device has the advantages that the air bag sealing device can be repeatedly installed in an air tightness mode and is sealed through the air bag, and the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of FFU installation, and more specifically, to an FFU airtight installation structure. Background Art

[0002] FFU (Fan Filter Unit) refers to a fan filter unit, which is usually used in environments such as clean rooms, laboratories, data centers, and medical facilities to provide clean air circulation. The FFU airtight installation structure refers to the installation structure adopted when installing the FFU in an environment with high airtightness requirements to ensure that the air leakage rate meets specific requirements.

[0003] In the prior art, the patent number CN214465148U discloses an FFU system installation structure with good airtightness. The key points of its technical solution are as follows: it includes a housing, a partition part and a diversion part are arranged in the housing. The partition part includes a partition board, which divides the air flow space into a first space and a second space. The diversion part includes a first diversion board and a second diversion board. One ends of the first diversion board and the second diversion board are fixedly connected to the top wall of the housing. The first diversion board and the second diversion board are both inclined. By setting a positioning component on the housing, the FFU housing is kept stable above the housing through the positioning component, preventing the air flow of the FFU system from directly flowing to the outside of the housing through the gap between the FFU system and the top surface of the housing, ensuring the airtightness of the device. The air flow space is divided into a first space and a second space by the partition part, the gas flow rate is accelerated by the diversion part, a concealment component is set on the housing to accommodate the wires of the FFU housing, and an engaging part is arranged between the FFU housing and the wire routing housing, so that the FFU housing and the wire routing housing communicate with each other.

[0004] However, the patents in the prior art have the following several disadvantages:

[0005] (1) The structure of this utility model is simple, and the airtight installation is realized through the positioning component, and the sealing performance is limited. Summary of the Utility Model

[0006] The technical problem to be solved by the utility model is to overcome the above technical defects, and provide an FFU airtight installation structure that can be repeatedly airtight installed, uses an airbag for sealing, and has a stronger sealing effect.

[0007] To solve the above problems, the technical solution of the utility model is: an FFU airtight installation structure, including:

[0008] An FFU body, an installation frame is provided at the bottom end of the FFU body, bolts are provided on the outer side of the installation frame for the installation and fixation of the installation frame, a filter screen is provided at the bottom end of the installation frame, and an airbag groove is provided inside the installation frame;

[0009] An airbag, the airbag is located inside the airbag groove;

[0010] An air intake assembly, the air intake assembly is located at the top of one side of the mounting bracket;

[0011] An exhaust assembly, the exhaust assembly is located at the top of the other side of the mounting bracket.

[0012] Further, the air intake assembly includes:

[0013] A ventilation chamber, the ventilation chamber is located inside the mounting bracket;

[0014] A handle, the handle is located at the top of the mounting bracket, a sliding rod is provided at the bottom end of the handle, the sliding rod is slidably and sealingly connected to the mounting bracket, and a piston plate is provided at the bottom end of the sliding rod, the piston plate is slidably and sealingly connected to the ventilation chamber;

[0015] An air suction pipe, the air suction pipe is located on one side of the ventilation chamber;

[0016] An air inlet pipe, the air inlet pipe is located at the bottom end of the ventilation chamber, and the outside of the air inlet pipe is sealingly connected to the airbag.

[0017] A one-way valve assembly one, the one-way valve assembly one is located inside the air suction pipe and the air inlet pipe.

[0018] Further, the one-way valve assembly one includes:

[0019] A sealing ring one, the sealing ring one is fixedly connected to the pipe orifices of the air suction pipe and the air inlet pipe;

[0020] A support frame one, the support frame one is fixedly connected to the other pipe orifices of the air suction pipe and the air inlet pipe;

[0021] A limiting pipe one, the limiting pipe one is slidably connected to one side of the support frame one;

[0022] A limiting shaft one, the limiting shaft one is slidably connected to the inside of the limiting pipe one, and a sealing plate one is provided at one end of the limiting shaft one;

[0023] A spring one, the spring one is located inside the limiting pipe one.

[0024] Further, the exhaust assembly includes:

[0025] An exhaust pipe, the exhaust pipe is located at the top of the mounting bracket, and the outside of the exhaust pipe is sealingly connected to the airbag;

[0026] A one-way valve assembly two, the one-way valve assembly two is located inside the exhaust pipe.

[0027] Further, the one-way valve assembly two includes:

[0028] Sealing ring two, which is fixedly connected to the top pipe orifice of the exhaust pipe;

[0029] Support frame two, which is fixedly connected to the bottom pipe orifice of the exhaust pipe;

[0030] Limit pipe two, which is fixedly connected to the top of the support frame two;

[0031] Limit shaft two, which is slidably connected to the inner side of the limit pipe two, and a sealing plate two is provided at the top of the limit shaft two;

[0032] Spring two, which is located inside the limit pipe two.

[0033] The advantages of the present utility model compared with the existing technology are as follows:

[0034] (1) The FFU airtight installation structure of the present utility model is provided with an air inlet assembly, an exhaust assembly and an airbag. After installation, air is supplied to the airbag through the air inlet assembly to make the airbag expand and seal all gaps, with stronger sealing performance. Description of the Drawings

[0035] Figure 1 is the three-dimensional Figure 1 .

[0036] Figure 2 is the three-dimensional Figure 2 .

[0037] Figure 3 is the sectional view of the FFU airtight installation structure of the present utility model Figure 1 .

[0038] Figure 4 is the sectional view of the FFU airtight installation structure of the present utility model Figure 2 .

[0039] Figure 5 is the enlarged view of A of the FFU airtight installation structure of the present utility model.

[0040] Figure 6 is the enlarged view of B of the FFU airtight installation structure of the present utility model.

[0041] As shown in the figure: 1. FFU body; 2. Mounting bracket; 3. Bolt; 4. Filter screen; 5. Airbag groove; 6. Airbag; 7. Intake assembly; 8. Exhaust assembly; 9. Ventilation chamber; 10. Handle; 11. Slide bar; 12. Piston plate; 13. Suction pipe; 14. Intake pipe; 15. Check valve assembly one; 16. Seal ring one; 17. Support bracket one; 18. Limiting tube one; 19. Limiting shaft one; 20. Seal plate one; 21. Spring one; 22. Exhaust pipe; 23. Check valve assembly two; 24. Seal ring two; 25. Support bracket two; 26. Limiting tube two; 27. Limiting shaft two; 28. Seal plate two; 29. Spring two. Detailed implementation manners

[0042] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present disclosure. On the contrary, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0043] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0044] As Figures 1 to 6 shown, a FFU airtight installation structure includes: a FFU body 1, a mounting bracket 2 is provided at the bottom end of the FFU body 1, bolts 3 are provided on the outer side of the mounting bracket 2 for the installation and fixation of the mounting bracket, a filter screen 4 is provided at the bottom end of the mounting bracket 2, and an airbag groove 5 is provided inside the mounting bracket 2; an airbag 6, the airbag 6 is located inside the airbag groove 5; an intake assembly 7, the intake assembly 7 is provided at one top side of the mounting bracket 2; an exhaust assembly 8, the exhaust assembly 8 is provided at the other top side of the mounting bracket 2.

[0045] The exhaust assembly 8 includes: an exhaust pipe 22, the exhaust pipe 22 is provided at the top end of the mounting bracket 2, and the outer side of the exhaust pipe 22 is hermetically connected to the airbag 6; a check valve assembly two 23, the check valve assembly two 23 is provided inside the exhaust pipe 22.

[0046] The one-way valve assembly two 23 includes: a seal ring two 24, which is fixedly connected to the top pipe orifice of the exhaust pipe 22; a support frame two 25, which is fixedly connected to the bottom pipe orifice of the exhaust pipe 22; a limit pipe two 26, which is fixedly connected to the top of the support frame two 25; a limit shaft two 27, which is slidably connected to the inside of the limit pipe two 26, and there is a seal plate two 28 at the top of the limit shaft two 27; a spring two 29, which is inside the limit pipe two 26.

[0047] The air intake assembly 7 includes: a ventilation chamber 9, which is inside the mounting bracket 2; a handle 10, which is at the top of the mounting bracket 2, and there is a sliding rod 11 at the bottom of the handle 10. The sliding rod 11 is slidably and sealingly connected to the mounting bracket 2, and there is a piston plate 12 at the bottom of the sliding rod 11. The piston plate 12 is slidably and sealingly connected to the ventilation chamber 9; an air suction pipe 13, which is on one side of the ventilation chamber 9; an air inlet pipe 14, which is at the bottom of the ventilation chamber 9, and the outside of the air inlet pipe 14 is sealingly connected to the airbag 6; a one-way valve assembly one 15, which is inside the air suction pipe 13 and the air inlet pipe 14.

[0048] The one-way valve assembly one 15 includes: a seal ring one 16, which is fixedly connected to the pipe orifices of the air suction pipe 13 and the air inlet pipe 14; a support frame one 17, which is fixedly connected to the other pipe orifices of the air suction pipe 13 and the air inlet pipe 14; a limit pipe one 18, which is slidably connected to one side of the support frame one 17; a limit shaft one 19, which is slidably connected to the inside of the limit pipe one 18, and there is a seal plate one 20 at one end of the limit shaft one 19; a spring one 21, which is inside the limit pipe one 18.

[0049] In specific use, align the mounting bracket 2 at the bottom of the FFU body 1 with the installation window, and use bolts 3 to install and fix the mounting bracket 2.

[0050] Hold the handle 10 and pull up the piston plate 12. The air squeezes the seal plate one 20 of the air suction pipe 13 and floods into the ventilation chamber 9. Press down the handle 10, so that the piston plate 12 pushes the air and squeezes the seal plate one 20 of the air inlet pipe into the airbag 6. Repeating this way can inflate the airbag 6. The airbag 6 inflates and expands, and the installation window fits tightly, completing the airtight installation.

[0051] When it is necessary to disassemble the FFU body 1, press the seal plate two 28, and the air in the airbag 6 is automatically exhausted through the exhaust pipe 22. The airbag 6 shrinks, facilitating the disassembly of the mounting bracket 2.

[0052] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An FFU airtight installation structure, characterized in that: include: An FFU (fan filter unit) body (1), wherein a mounting frame (2) is provided at the bottom end of the FFU body (1), bolts (3) are provided on the outside of the mounting frame (2) for mounting and fixing the mounting frame, a filter screen (4) is provided at the bottom end of the mounting frame (2), and an air bag groove (5) is provided on the inside of the mounting frame (2); An airbag (6), wherein the airbag (6) is located inside the airbag groove (5); An air intake assembly (7), wherein the air intake assembly (7) is located at a top end of one side of the mounting frame (2); An exhaust component (8), wherein the exhaust component (8) is located at the top end of the other side of the mounting frame (2).

2. The FFU airtight installation structure according to claim 1, characterized in that: The air intake assembly (7) comprises: A ventilation chamber (9), wherein the ventilation chamber (9) is located inside the mounting frame (2); A handle (10), the handle (10) being located at the top of the mounting frame (2), a slide bar (11) being provided at the bottom of the handle (10), the slide bar (11) being slidably and sealingly connected to the mounting frame (2), a piston plate (12) being provided at the bottom of the slide bar (11), the piston plate (12) being slidably and sealingly connected to the air exchange chamber (9); An air intake pipe (13), wherein the air intake pipe (13) is located on one side of the air exchange chamber (9); An air intake pipe (14), the air intake pipe (14) being located at the bottom end of the air exchange chamber (9), and the outer side of the air intake pipe (14) being sealedly connected to the air bag (6); A one-way valve assembly (15), wherein the one-way valve assembly (15) is located inside the air intake pipe (13) and the air intake pipe (14).

3. The FFU airtight installation structure according to claim 2, characterized in that: The one-way valve assembly (15) comprises: A sealing ring (16), wherein the sealing ring (16) is fixedly connected to the pipe openings of the air intake pipe (13) and the air intake pipe (14); Support frame one (17), the support frame one (17) being fixedly connected to the other pipe opening of the air intake pipe (13) and the air intake pipe (14); A limiting tube (18), wherein the limiting tube (18) is slidably connected to one side of the supporting frame (17); A limiting shaft (19), wherein the limiting shaft (19) is slidably connected to the inner side of the limiting tube (18), and a sealing plate (20) is provided at one end of the limiting shaft (19); Spring 1 (21), wherein the spring 1 (21) is located on the inner side of the limiting tube 1 (18).

4. The FFU airtight installation structure according to claim 1, characterized in that: The exhaust assembly (8) comprises: An exhaust pipe (22), the exhaust pipe (22) being located at the top end of the mounting frame (2), and the outer side of the exhaust pipe (22) being sealedly connected to the airbag (6); One-way valve assembly 2 (23), the one-way valve assembly 2 (23) is located on the inner side of the exhaust pipe (22).

5. The FFU airtight installation structure according to claim 4, characterized in that: The one-way valve assembly 2 (23) comprises: A second sealing ring (24), wherein the second sealing ring (24) is fixedly connected to the top end of the exhaust pipe (22); A second support frame (25), wherein the second support frame (25) is fixedly connected to the bottom end of the exhaust pipe (22); A second limiting tube (26), wherein the second limiting tube (26) is fixedly connected to the top end of the second supporting frame (25); A second limiting shaft (27), wherein the second limiting shaft (27) is slidably connected to the inner side of the second limiting tube (26), and a second sealing plate (28) is provided at the top end of the second limiting shaft (27); Spring 2 (29), wherein the spring 2 (29) is located inside the limiting tube 2 (26).

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