Air inlet structure of clean room

Abstract

The utility model discloses a clean room air inlet structure, and relates to the technical field of clean rooms. The end cover is arranged on the left side of the air inlet cylinder in a sleeved mode, a ring groove is formed in the inner ring wall of the left side of the air inlet cylinder, an inner side ring of the end cover is arranged in the ring groove, the inner ring wall of the inner side ring and the inner ring wall of the air inlet cylinder are arranged on the same inner ring wall, and an outer side ring of the end cover is arranged on the air inlet cylinder in a screwed connection and sleeved mode through threads. The ring block is fixed in the end cover, the ring block is arranged on the left side of the air guide frame in a contact mode, and the air inlet pipe penetrates through and is fixed in the ring block; the rotating ring is screwed and inserted into the right end of the air inlet pipe through threads, and a filter screen is arranged in the rotating ring; the air inlet end can be filtered, the filter screen can be detached and cleaned, impurity accumulation is avoided, and the air inlet quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clean rooms, in particular to an air intake structure for a clean room. Background Art

[0002] A clean room refers to a well-enclosed space where parameters such as air cleanliness, temperature, humidity, pressure, and noise are controlled as required. In order for a clean room to achieve a clean level, air cleanliness measures are the fundamental guarantee for achieving the clean level. The air entering the clean room must be filtered. However, after being used for a period of time, the existing filter structure accumulates dust inside and is not easy to clean. Utility Model Content

[0003] The purpose of the utility model is to provide a clean room air intake structure with simple structure, reasonable design and easy use in view of the defects and shortcomings of the prior art. In addition to being able to filter the air intake end, the filter screen can also be disassembled and cleaned to avoid impurity accumulation and improve the air intake quality.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is as follows: it includes an air intake cylinder, which is embedded and fixed in the wall of the clean room; an air guide frame and a suction fan are arranged in sequence from left to right inside the air intake cylinder, and the air guide frame is sleeved on the air intake end of the suction fan, an air intake pipe is arranged on the left side of the air intake cylinder, and the air intake pipe and the air guide frame are arranged in communication; it also includes a combination component, which is arranged on the left side of the air intake cylinder; the combination component includes:

[0005] An end cover, wherein the end cover is sleeved on the left side of the air intake cylinder, an annular groove is provided on the inner ring wall of the left side of the air intake cylinder, an inner ring of the end cover is arranged in the annular groove, and an inner ring wall of the inner ring and an inner ring wall of the air intake cylinder are arranged on the same inner ring wall, and an outer ring of the end cover is sleeved on the air intake cylinder by screwing;

[0006] A ring block, wherein the ring block is fixed inside the end cover, the ring block is contactingly arranged on the left side of the air guide frame, and the air intake pipe is passed through and fixed inside the ring block;

[0007] A rotating ring, which is screwed and inserted into the right end of the air inlet pipe through a thread, and a filter screen is arranged inside the rotating ring;

[0008] Through the above technical solution design, the arrangement of the end cover and the air inlet cylinder makes it easy to disassemble the filter.

[0009] As a further improvement of the utility model, a groove is provided on the inner ring wall on the upper side of the intake pipe, the groove is arranged on the left side of the rotating ring, and a slot is provided through the upper side of the groove; a limiting protrusion is inserted in the groove, and the limiting protrusion is arranged in contact with the rotating ring, an insertion rod is provided on the upper side of the limiting protrusion, and the insertion rod is inserted in the slot, a threaded rod is provided on the upper side of the insertion rod, the threaded rod is arranged on the upper side of the intake pipe, a nut is provided on the threaded rod through a threaded connection, and the nut is arranged in contact with the intake pipe;

[0010] Through the above technical solution design, the limiting protrusion limits the rotating ring, and the cooperation between the threaded rod and the nut limits the limiting protrusion.

[0011] As a further improvement of the present invention, an operating rod is provided on the right side of the rotating ring;

[0012] Through the above technical solution design, the rotating ring is rotated.

[0013] As a further improvement of the utility model, a thread groove is provided inside the left side of the lateral end of the air guide frame, a thread sleeve is provided in the thread groove through threaded connection, and a reinforced filter is provided inside the thread sleeve;

[0014] Through the above technical solution design, the intake air is filtered twice.

[0015] As a further improvement of the utility model, an exhaust end cap is sleeved on the right side of the air intake cylinder, the outer ring of the exhaust end cap is sleeved on the air intake cylinder through a threaded connection, and an exhaust filter is arranged on the inner ring wall of the exhaust end cap;

[0016] Through the above technical solution design, the exhaust gas is filtered.

[0017] After adopting the above structure, the utility model has the following beneficial effects:

[0018] 1. Corresponding end caps and exhaust end caps are added on the left and right sides of the air inlet cylinder, and the air inlet and outlet ends of the air inlet cylinder are relatively filtered through the cooperation of the corresponding filter screen and exhaust filter screen;

[0019] 2. The limiting protrusion limits the rotating ring to prevent the rotating ring from being away from the right end of the intake pipe during installation;

[0020] 3. The filter, exhaust filter and the reinforced filter in the middle can be disassembled and cleaned to avoid dust accumulation and affect the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0024] Figure 3 yes Figure 2 Enlarged view of part A.

[0025] Figure 4 yes Figure 2 Enlarged view of part B.

[0026] Figure 5 yes Figure 2 Enlarged view of part C.

[0027] Figure 6 yes Figure 2 Enlarged view of part D.

[0028] Figure 7 It is a structural schematic diagram of the wind guide frame in the utility model.

[0029] Description of reference numerals:

[0030] Inlet cylinder 1, ring groove 1-1, clean room 2, air guide frame 3, threaded groove 3-1, suction fan 4, air inlet pipe 5, groove 5-1, slot 5-2, combination component 6, end cover 6-1, ring block 6-2, rotating ring 6-3, filter screen 6-4, limiting protrusion 7, plug rod 8, threaded rod 9, operating rod 10, threaded sleeve 11, reinforced filter screen 12, exhaust end cap 13, exhaust filter screen 14. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings.

[0032] Embodiment 1:

[0033] See also Figure 1-Figure 7, this embodiment includes an air intake cylinder 1, which is embedded and fixed in the wall of the clean room 2; the air intake cylinder 1 is provided with an air guide frame 3 and a suction fan 4 from left to right in sequence, and the air guide frame 3 is sleeved on the air intake end of the suction fan 4, and an air intake pipe 5 is provided on the left side of the air intake cylinder 1, and the air intake pipe 5 is arranged in communication with the air guide frame 3; a thread groove 3-1 is provided inside the left side of the lateral end of the air guide frame 3, and a threaded sleeve 11 is provided in the threaded groove 3-1 through threaded connection, and a reinforced filter screen 12 is provided inside the threaded sleeve 11; an exhaust end cap 13 is sleeved on the right side of the air intake cylinder 1, and the outer ring of the exhaust end cap 13 is sleeved on the air intake cylinder 1 through threaded connection, and an exhaust filter screen 14 is provided on the inner ring wall of the exhaust end cap 13; it also includes a combination component 6, and the combination component 6 is arranged on the left side of the air intake cylinder 1; the combination component 6 includes:

[0034] The end cover 6-1 is sleeved on the left side of the air inlet cylinder 1. The inner ring wall of the left side of the air inlet cylinder 1 is provided with an annular groove 1-1. The inner ring of the end cover 6-1 is arranged in the annular groove 1-1, and the inner ring wall of the inner ring is arranged on the same inner ring wall as the inner ring wall of the air inlet cylinder 1. The outer ring of the end cover 6-1 is sleeved on the air inlet cylinder 1 by screw thread connection;

[0035] The ring block 6-2 is fixed inside the end cover 6-1, the ring block 6-2 is arranged on the left side of the air guide frame 3, and the air intake pipe 5 is passed through and fixed inside the ring block 6-2;

[0036] The rotating ring 6-3 is screwed into the right end of the air inlet pipe 5 through a threaded connection, and a filter screen 6-4 is arranged inside the rotating ring 6-3; an operating rod 10 is arranged on the right side of the rotating ring 6-3;

[0037] With the above design, the arrangement of the end cover 6-1 and the air inlet cylinder 1 facilitates the removal of the filter screen 6-4.

[0038] Embodiment 2:

[0039] See also Figure 1-Figure 7 On the basis of Example 1, a groove 5-1 is provided on the inner ring wall on the upper side of the intake pipe 5, the groove 5-1 is arranged on the left side of the rotating ring 6-3, and a slot 5-2 is provided through the upper side of the groove 5-1; a limiting protrusion 7 is inserted in the groove 5-1, and the limiting protrusion 7 is arranged in contact with the rotating ring 6-3, an insertion rod 8 is arranged on the upper side of the limiting protrusion 7, and the insertion rod 8 is inserted in the slot 5-2, a threaded rod 9 is provided on the upper side of the insertion rod 8, the threaded rod 9 is arranged on the upper side of the intake pipe 5, a nut is provided on the threaded rod 9 through a threaded connection, and the nut is arranged in contact with the intake pipe 5;

[0040] With the above design, the limiting protrusion 7 limits the rotating ring 6 - 3 , and the threaded rod 9 and the nut cooperate to limit the limiting protrusion 7 .

[0041] When the utility model is used, the suction fan 4 is started, and the wind is sucked from the air inlet pipe 5 and discharged into the clean room 2 from the exhaust end of the suction fan 4; in the above process, the wind is first filtered by the filter screen 6-4, and when passing through the air guide frame 3, it is filtered twice by the reinforced filter screen 12 therein, and finally, it is finally filtered by the exhaust filter screen 14 in the exhaust end cap 13 and discharged into the clean room 2; after using it for a period of time, it only needs to rotate the end cover 6-1 to separate it from the left end of the air inlet cylinder 1, and then the air inlet pipe 5 can be removed by hand. The operating rod 10 is manually rotated to rotate the rotating ring 6-3, and the filter screen 6-4 is cleaned. The nut on the threaded rod 9 is manually unscrewed and the threaded rod 9 is pressed downward to disengage the limiting protrusion 7 from the groove 5-1, and the limiting protrusion 7 is cleaned; the left exposed end of the threaded sleeve 11 is manually rotated to disengage the threaded sleeve 11 from the threaded groove 3-1, and the reinforced filter screen 12 is cleaned; the exhaust end cap 13 is manually rotated to disengage it from the intake pipe 1, and the exhaust filter screen 14 is cleaned.

[0042] After adopting the above structure, the beneficial effects of this specific implementation are:

[0043] 1. Corresponding end caps 6-1 and exhaust end caps 13 are added to the left and right sides of the air inlet cylinder 1, and the air inlet end and the air outlet end of the air inlet cylinder 1 are relatively filtered through the cooperation of the corresponding filter screen 6-4 and the exhaust filter screen 14;

[0044] 2. The limiting protrusion 7 limits the rotating ring 6-3 to prevent the rotating ring 6-3 from being away from the right end of the intake pipe 5 when rotating and installing;

[0045] 3. The filter screens 6-4, the exhaust filter screen 14 and the middle reinforced filter screen 12 can all be disassembled and cleaned to avoid dust accumulation that affects the use effect.

[0046] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A clean room air intake structure, comprising an air intake cylinder (1), the air intake cylinder (1) being embedded and fixed in a wall of a clean room (2); an air guide frame (3) and a suction fan (4) are arranged in sequence from left to right inside the air intake cylinder (1), and the air guide frame (3) is sleeved on the air intake end of the suction fan (4); an air intake pipe (5) is arranged on the left side of the air intake cylinder (1), and the air intake pipe (5) and the air guide frame (3) are arranged in a connected manner; characterized in that: It also comprises a combined component (6), wherein the combined component (6) is arranged on the left side of the air intake cylinder (1); the combined component (6) comprises: An end cover (6-1), the end cover (6-1) being sleeved on the left side of the air intake cylinder (1), a ring groove (1-1) being provided on the inner ring wall on the left side of the air intake cylinder (1), an inner ring of the end cover (6-1) being arranged in the ring groove (1-1), and an inner ring wall of the inner ring and an inner ring wall of the air intake cylinder (1) being arranged on the same inner ring wall, and an outer ring of the end cover (6-1) being sleeved on the air intake cylinder (1) by means of a threaded connection; A ring block (6-2), wherein the ring block (6-2) is fixed inside the end cover (6-1), the ring block (6-2) is arranged in contact with the left side of the air guide frame (3), and the air intake pipe (5) is passed through and fixed inside the ring block (6-2); A rotating ring (6-3) is inserted into the right end of the air inlet pipe (5) by means of a threaded connection, and a filter screen (6-4) is arranged inside the rotating ring (6-3).

2. A clean room air intake structure according to claim 1, characterized in that: A groove (5-1) is provided on the inner ring wall on the upper side of the air intake pipe (5), the groove (5-1) is arranged on the left side of the rotating ring (6-3), and a slot (5-2) is provided on the upper side of the groove (5-1); a limiting protrusion (7) is inserted into the groove (5-1), and the limiting protrusion (7) is arranged in contact with the rotating ring (6-3), an insertion rod (8) is provided on the upper side of the limiting protrusion (7), and the insertion rod (8) is inserted into the slot (5-2), a threaded rod (9) is provided on the upper side of the insertion rod (8), the threaded rod (9) is arranged on the upper side of the air intake pipe (5), a nut is provided on the threaded rod (9) by screwing, and the nut is arranged in contact with the air intake pipe (5).

3. A clean room air intake structure according to claim 1, characterized in that: An operating rod (10) is provided on the right side of the rotating ring (6-3).

4. A clean room air intake structure according to claim 1, characterized in that: A thread groove (3-1) is provided inside the left side of the lateral end of the air guide frame (3), a thread sleeve (11) is provided in the thread groove (3-1) by screwing, and a reinforced filter screen (12) is provided inside the thread sleeve (11).

5. The clean room air intake structure according to claim 1, characterized in that: An exhaust end cap (13) is sleeved on the right side of the air intake cylinder (1), the outer ring of the exhaust end cap (13) is sleeved on the air intake cylinder (1) by means of a threaded connection, and an exhaust filter (14) is arranged on the inner ring wall of the exhaust end cap (13).

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