High-requirement static pressure type clean room air supply outlet
By using a spatial fixed-axis gear train and synchronous belt drive, the problem of cumbersome adjustment of existing air outlet valves has been solved, enabling flexible adjustment of air outlet size and extending the life of air outlets.
Patent Information
- Application Number
- CN202422592237.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-26
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-26
AI Technical Summary
The valve adjustment operation of the existing air outlet is cumbersome and requires frequent disassembly of the diffuser, which affects its service life.
The system employs a spatial fixed-axis gear train, which uses gear shafts and synchronous belts for transmission, enabling valve plate adjustment without disassembly. Combined with limiting components and sliding grooves, it allows for flexible adjustment of the air outlet size.
It enables flexible adjustment of the air outlet size, simplifies the operation process, and extends the service life of the air outlet.
Smart Images

Figure CN223460578U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clean equipment technical field, more specifically, it relates to high requirement static pressure type clean room air supply outlet. BACKGROUND
[0002] The air supply outlet is a terminal filtering device of a thousand level, ten thousand level and hundred thousand level purification air conditioning system, and can be widely used in the purification air conditioning system of the medical, health, electronic and chemical industries, and the high-efficiency air supply outlet is used as a terminal filtering device of the 1000-300000 level clean room, and is a key equipment meeting the purification requirements, and the high-efficiency air supply outlet comprises a static pressure box, a flow distribution plate and a high-efficiency filter, and the interface with the air pipe can be top joint or side joint.
[0003] The static pressure box of the existing air supply outlet is usually provided with a valve to adjust the size of the air supply outlet to achieve the standard effect, but most of the valves are adjusted by a manual valve controller to adjust the opening size of the valve, however, these operations are usually adjusted when the air supply outlet is installed, and the subsequent adjustment of the valve plate opening degree needs to disassemble the flow distribution plate, and then adjust the opening size of the valve through the manual valve controller, which is complicated, and the frequent disassembly of the flow distribution plate can shorten the service life of the air supply outlet.
[0004] Therefore, a new scheme needs to be proposed to solve the problem. UTILITY MODEL CONTENT
[0005] In view of the defects in the prior art, the utility model aims at providing a high requirement static pressure type clean room air supply outlet.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: the high requirement static pressure type clean room air supply outlet comprises a static pressure box, a flow distribution plate, a filter plate and a valve body, the valve body is located at the bottom of the static pressure box, the flow distribution plate is located at the top of the static pressure box, the filter plate is located between the flow distribution plate and the valve body, a valve plate is rotatably connected in the valve body, a space fixed shaft gear train is arranged in the static pressure box, an input shaft of the space fixed shaft gear train extends from the flow distribution plate, and an output shaft of the space fixed shaft gear train is fixedly connected with a valve plate shaft of the valve plate.
[0007] The utility model is further provided as follows: the space fixed shaft gear train comprises a gear shaft one and a gear shaft two, both ends of the gear shaft one are fixedly connected with a spur gear one and a bevel gear one respectively, both ends of the gear shaft two are fixedly connected with a spur gear two, the gear shaft one and the gear shaft two are arranged in parallel, one end of the valve plate shaft of the valve plate is fixedly connected with a bevel gear two, the bevel gear two is engaged with the bevel gear one, and a synchronous belt is sleeved on the spur gear one and the spur gear two in the static pressure box.
[0008] The utility model further sets up: gear shaft one and gear shaft two's axle outer wall rotatory connection has the shaft sleeve, the shaft sleeve fixed connection is established in the inner wall of static pressure box body.
[0009] The utility model further sets up: the axle body of gear shaft one and bevel gear one and spur gear one set up as flat key connection, the axle body of gear shaft two and two spur gear two set up as flat key connection.
[0010] The utility model further sets up: spur gear one and spur gear two's same specification.
[0011] The utility model further sets up: the perforation for gear shaft two passes through is set up on the flow diffuser, and the spur gear two of gear shaft two one end is located at the outside of static pressure box body, the flow diffuser is slidably connected with the limiting piece, and the limiting piece is engaged with the spur gear two located at the outside of static pressure box body.
[0012] In conclusion, the utility model has the following beneficial effects: the output shaft of space fixed axis gear train and the valve plate shaft of opening and closing valve plate are fixedly connected, and the opening and closing valve plate inside the valve body is driven to rotate from the outside of static pressure box body through space fixed axis gear train, so that the size of air port can be adjusted without disassembling flow diffuser to rotate opening and closing valve plate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model;
[0014] Figure 2 It is Figure 1 The enlarged schematic view of A part in;
[0015] Figure 3 It is the structural schematic diagram of removing static pressure box body;
[0016] Figure 4 It is the structural schematic diagram of removing static pressure box body, filter plate and shell;
[0017] Figure 5 Figure 4 The enlarged schematic view of B part in;
[0018] Figure 6 It is the sectional view of the utility model;
[0019] Figure 7 It is Figure 6 The enlarged schematic view of C part in.
[0020] In the figure: 1, static pressure box body; 2, flow distribution plate; 201, sliding groove; 202, limiting piece; 3, filter plate; 4, valve body; 401, opening and closing valve plate; 402, valve plate shaft; 403, bevel gear two; 501, gear shaft one; 502, bevel gear one; 503, spur gear one; 601, gear shaft two; 602, spur gear two; 7, synchronous belt; 8, shaft sleeve; 801, limiting groove; 802, limiting ring. DETAILED DESCRIPTION
[0021] The utility model is described in detail below in combination with the drawings and examples.
[0022] As Figure 1 - Figure 4 The utility model discloses a static pressure box body, flow distribution plate, filter plate and valve body, the valve body 4 is located at the bottom of static pressure box body 1, and the flow distribution plate 2 is located at the top of static pressure box body 1, and the filter plate 3 is located between the flow distribution plate 2 and the valve body 4, and the opening and closing valve plate 401 is rotatably connected in the valve body 4, and the spatial fixed shaft gear train is arranged in static pressure box body 1, the input shaft of spatial fixed shaft gear train is stretched out from the flow distribution plate 2, and the output shaft of spatial fixed shaft gear train is fixedly connected with the valve plate shaft 402 of opening and closing valve plate 401, and the opening and closing valve plate 401 in the valve body 4 is driven to rotate through spatial fixed shaft gear train from the outside of static pressure box body 1, and it is not necessary to rotate the opening and closing valve plate 401 by disassembling the flow distribution plate 2 to adjust the size of tuyere.
[0023] As Figure 1 - Figure 5As shown, the bottom of the static pressure box 1 and the diffuser plate 2 are provided with a plurality of air supply holes, the plurality of air supply holes on the static pressure box 1 are communicated with the air supply pipeline, the inside of the static pressure box 1 is divided into two sections, which are used to accommodate the filter plate 3 and the valve body 4 respectively, the valve body 4 is close to the bottom of the static pressure box 1, the valve body 4 comprises a shell and an opening and closing valve plate 401, the opposite side walls of the shell are provided with rotating holes, the opening and closing valve plate 401 comprises a plate body and a valve plate shaft 402, the valve plate shaft 402 is rotatably connected in the rotating hole, one end of the valve plate shaft 402 is fixedly connected with a bevel gear two 403, the bevel gear two 403 is located outside the shell, the valve plate shaft 402 is an output shaft of a spatial fixed shaft gear train, the spatial fixed shaft gear train comprises a gear shaft one 501 and a gear shaft two 601, both ends of the gear shaft one 501 are fixedly connected with a spur gear one 503 and a bevel gear one 502 respectively, the bevel gear one 502 is engaged with the bevel gear two 403 on the valve plate shaft 402, the gear shaft one 501 is perpendicular to the valve plate shaft 402, the gear shaft one 501 can drive the valve plate shaft 402 to rotate when rotating, both ends of the gear shaft two 601 are fixedly connected with a spur gear two 602, the gear shaft two 601 is parallel to the gear shaft one 501, the two spur gears two 602 on the gear shaft two 601 are located inside and outside the static pressure box 1 respectively, the spur gear two 602 located inside the static pressure box 1 is sleeved with a synchronous belt 7 with the outside of the spur gear one 503, the gear shaft one 501 can drive the gear shaft two 601 to rotate through the synchronous belt 7 when rotating, and the valve plate shaft 402 is also rotated, the gear shaft one 501 is an output shaft of the spatial fixed shaft gear train, through the arrangement of the structure, the opening and closing valve plate 401 can be rotated without disassembling the diffuser plate 2, and the flexible size adjustment of the air supply hole can be realized.
[0024] As shown in Figure 3 Figure 7 The outer wall of the gear shaft one 501 and the gear shaft two 601 is fixedly connected with a limiting ring 802, the inner wall of the shaft sleeve 8 is provided with a limiting groove 801, the limiting ring 802 is rotatably connected in the limiting groove 801, the shaft sleeve 8 is rotatably connected with the gear shaft one 501 and the gear shaft two 601, and the shaft sleeve 8 is fixedly connected with the inner wall of the static pressure box 1, the arrangement of the shaft sleeve 8 can fix the positions of the gear shaft one 501 and the gear shaft two 601 inside the static pressure box 1, and improve the stability of rotation, the connecting relationship between the shaft body of the gear shaft one 501 and the bevel gear one 502 and the spur gear one 503 is arranged as a flat key connection, the connecting relationship between the shaft body of the gear shaft two 601 and the two spur gears two 602 is arranged as a flat key connection, the flat key connection is the most common way of shaft and gear connection, and the flat key connection has the advantages of simple structure, easy maintenance and disassembly, and is suitable for small and medium power transmission systems.
[0025] As shown in Figure 4 and Figure 5 As shown, the spur gear one 503 and the spur gear two 602 are of the same size, the spur gear two 602 inside the static pressure box 1 and the spur gear one 503 rotate synchronously through the synchronous belt 7, the spur gear one 503 and the spur gear two 602 of the same size have stable transmission mode and constant transmission ratio, the two gears of the same size can more effectively transmit power in the meshing process, reduce the energy loss caused by uneven transmission or speed change, the stable transmission mode and the constant transmission ratio help to reduce the wear and fatigue of the gears, thereby prolonging the service life of the gears.
[0026] As shown in the drawings, Figure 1 - Figure 5 As shown, the perforation is provided on the diffuser plate 2 for the gear shaft two 601 to pass through, the outer wall of the gear shaft two 601 abuts against the inner wall of the perforation, the spur gear two 602 outside the static pressure box 1 floats on the surface of the diffuser plate 2, the sliding groove 201 is provided on the diffuser plate 2 and extends to the direction of the perforation, the limiting piece 202 is slidably connected in the sliding groove 201, the limiting piece 202 slides to the spur gear two 602 through the sliding groove 201, when the limiting piece 202 approaches the spur gear two 602 and meshes with it, the effect of limiting the rotation of the gear shaft two 601 is achieved, when the limiting piece 202 is away from the spur gear two 602, the spur gear two 602 can rotate, at this time, the gear shaft two 601 rotates as the input shaft of the spatial fixed shaft gear train and transmits force to the valve plate shaft 402 as the output shaft, the opening and closing valve plate 401 rotates to adjust the size of the air port.
[0027] Working principle: when it is needed to adjust the size of the air port of the high requirement static pressure type clean air supply, the limiting piece 202 on the diffuser plate 2 is slid to be away from the spur gear two 602 on the diffuser plate 2, and the spur gear two 602 is rotated, the gear shaft two 601 drives the gear shaft one 501 to rotate, the gear shaft one 501 drives the valve plate shaft 402 to rotate, at this time, the opening and closing valve plate 401 in the valve body 4 rotates, in the process of the rotation of the opening and closing valve plate 401, the air port of the clean room is enlarged or reduced, so as to meet the standard requirement of the clean room air supply, when the air port is adjusted to the appropriate opening size, the limiting piece 202 is slid to mesh with the spur gear two 602 on the diffuser plate 2, the rotation angle of the opening and closing valve plate 401 is fixed.
[0028] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments only, any technical scheme belonging to the utility model idea is within the protection scope of the utility model. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.
Claims
1. A high-demand clean room air supply outlet, comprising a static pressure box (1), a diffuser plate (2), a filter plate (3) and a valve body (4), the valve body (4) is located at the bottom of the static pressure box (1), the diffuser plate (2) is located at the top of the static pressure box (1), and the filter plate (3) is located between the diffuser plate (2) and the valve body (4), characterized in that: The valve body (4) is rotatably connected with an opening and closing valve plate (401), the static pressure box body (1) is provided with a space fixed shaft wheel system, the input shaft of the space fixed shaft wheel system extends from the diffuser plate (2), and the output shaft of the space fixed shaft wheel system is fixedly connected with a valve plate shaft (402) of the opening and closing valve plate (401). 2. A high demand static pressure clean room air supply outlet according to claim 1 wherein: The space fixed shaft wheel system comprises gear shaft one (501) and gear shaft two (601), both ends of the gear shaft one (501) are fixedly connected with spur gear one (503) and bevel gear one (502) respectively, both ends of the gear shaft two (601) are fixedly connected with spur gear two (602), the gear shaft one (501) and the gear shaft two (601) are arranged in parallel, one end of the valve plate shaft (402) of the opening and closing valve plate (401) is fixedly connected with bevel gear two (403), the bevel gear two (403) is engaged with the bevel gear one (502), and the spur gear one (503) is provided with a synchronous belt (7) on the spur gear two (602) in the static pressure box body (1).
3. A high demand static pressure clean room air supply plenum according to claim 2 wherein: The shaft outer wall of the gear shaft one (501) and the gear shaft two (601) is rotatably connected with a shaft sleeve (8), and the shaft sleeve (8) is fixedly connected to the inner wall of the static pressure box body (1).
4. The high quality static pressure clean room air supply plenum of claim 3 wherein: The shaft body of the gear shaft one (501) is arranged in a flat key connection with the bevel gear one (502) and the spur gear one (503), and the shaft body of the gear shaft two (601) is arranged in a flat key connection with the two spur gear two (602).
5. A high quality static pressure clean room air supply plenum according to claim 4 wherein: The spur gear one (503) and the spur gear two (602) are of the same specification.
6. A high demand static pressure clean room air supply outlet according to claim 5 wherein: The diffuser plate (2) is provided with a perforation for the gear shaft two (601) to pass through, the spur gear two (602) at one end of the gear shaft two (601) is located outside the static pressure box body (1), the diffuser plate (2) is slidably connected with a limiting piece (202), and the limiting piece (202) is engaged with the spur gear two (602) located outside the static pressure box body (1).