Constant air volume valve

Abstract

The utility model discloses a constant air volume valve, and relates to the technical field of constant air volume valves. The constant air volume valve comprises a connecting air duct and a quantitative assembly, the quantitative assembly comprises a mounting structure and an adjusting structure, the mounting structure is located on the adjusting structure, the adjusting structure comprises a mounting plate, a rotating shaft, a gear, a toothed plate and a micro push rod, the outer wall of the connecting air duct is fixedly connected with the mounting plate, the toothed plate is arranged on the mounting plate, and the rotating shaft is rotationally mounted on the mounting plate; the outer wall of the rotating shaft is fixedly sleeved with a gear, and the gear is meshed with the toothed plate. According to the device, air in the connecting air duct can be quantified, and compared with traditional manual adjustment, the adjustment work of the device is more accurate, the two hands of workers are liberated, the requirement for manual intervention is reduced, the automation level of the system is improved, the workload of operators is reduced, the stability of the air flow is ensured, and the working efficiency is improved. Therefore, the comfort of the indoor environment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of constant air volume valves, and particularly relates to a constant air volume valve. Background Art

[0002] By adopting advanced adjustment technologies, the constant air volume valve can effectively reduce the system pressure drop, improve the overall efficiency of the air conditioning system, and reduce energy consumption. This kind of air valve is made of high-quality metal alloy materials, with excellent corrosion resistance and wear resistance, ensuring stable performance during long-term use. In addition, the constant air volume valve provides a variety of specifications and sizes, suitable for different air conditioning systems and pipeline layouts, meeting the needs of various projects.

[0003] In the prior art, when some constant air volume valves are in use, the blades inside are mostly adjusted manually, and special personnel are required to adjust them regularly, which increases the workload of the operators. Moreover, manual adjustment may lead to inconsistent air volume settings due to differences in the experience and judgment of the operators, affecting the stability and comfort of the system.

[0004] To sum up, the present application now proposes a constant air volume valve to solve the above-mentioned problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a constant air volume valve, which can solve the problems that when some constant air volume valves in the prior art are in use, the blades inside are mostly adjusted manually, and special personnel are required to adjust them regularly, which increases the workload of the operators. Moreover, manual adjustment may lead to inconsistent air volume settings due to differences in the experience and judgment of the operators, affecting the stability and comfort of the system.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a constant air volume valve, including a connecting air duct and a quantitative component. The quantitative component includes an installation structure and an adjustment structure. The installation structure is located on the adjustment structure. The adjustment structure includes a mounting plate, a rotating shaft, a gear, a rack, and a micro-push rod. The outer wall of the connecting air duct is fixedly connected with a mounting plate, on which a rack is arranged. A rotating shaft is rotatably installed on the mounting plate, and a gear is fixedly sleeved on the outer wall of the rotating shaft. The gear meshes with the rack.

[0007] Preferably, the outer wall of the connecting air duct is fixedly connected with a housing, which is located outside the adjustment structure, and its setting facilitates the installation work of the adjustment structure.

[0008] Preferably, one inner wall of the housing is fixedly connected with a micro-push rod, and the free end of the micro-push rod is fixedly installed on the rack. The rack is slidably installed on the mounting plate through a slider.

[0009] Preferably, the installation structure includes a rotating rod, a bolt and a nut. A rotating rod is slidably installed on the connecting air duct. An installation hole is formed at one end of the rotating rod. A bolt is slidably installed in the installation hole. Nuts are threadedly installed at both ends of the bolt. A rectangular groove is formed on the rotating shaft. The other end of the rotating rod is rectangular. The other end of the rotating rod is inserted and installed in the rectangular groove on the rotating shaft. This setting facilitates the rotating shaft to drive the rotating rod to rotate. Through the combined use of the mounting plate, the rotating shaft, the gear, the toothed plate, the micro-push rod, the rotating rod, the bolt and the nut, the air in the connecting air duct can be quantitatively controlled. Compared with the traditional manual adjustment, the adjustment work of this device is more accurate, liberating the hands of the staff, reducing the need for manual intervention, improving the automation level of the system, reducing the work burden of the operator, ensuring the stability of the air flow, thereby improving the comfort of the indoor environment. Moreover, the setting of the installation structure enables the quantitative blade in the connecting air duct to be disassembled and installed. Compared with the traditional fixed installation method, this method makes the replacement of the quantitative blade more convenient and reduces the replacement cost of the device.

[0010] Preferably, an annular plate is fixedly connected to the outer wall of the connecting air duct. This setting facilitates the auxiliary installation of the installation structure. Installation holes are also formed on the annular plate to facilitate the installation of the bolts.

[0011] Preferably, a baffle is fixedly connected to the inside of the connecting air duct. This setting facilitates the limiting work of resetting the quantitative blade so that it is in the middle position when reset.

[0012] Preferably, a quantitative blade is fixedly sleeved on the outer wall of the rotating rod. This setting facilitates the quantification of the air in the connecting air duct.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this constant air volume valve, through the combined use of the mounting plate, the rotating shaft, the gear, the toothed plate, the micro-push rod, the rotating rod, the bolt and the nut, the air in the connecting air duct can be quantitatively controlled. Compared with the traditional manual adjustment, the adjustment work of this device is more accurate, liberating the hands of the staff, reducing the need for manual intervention, improving the automation level of the system, reducing the work burden of the operator, ensuring the stability of the air flow, thereby improving the comfort of the indoor environment. Moreover, the setting of the installation structure enables the quantitative blade in the connecting air duct to be disassembled and installed. Compared with the traditional fixed installation method, this method makes the replacement of the quantitative blade more convenient and reduces the replacement cost of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following further illustrates the present utility model in conjunction with the drawings and embodiments:

[0015] Figure 1 is a three-dimensional view of the present utility model Figure 1 ;

[0016] Figure 2 is the three-dimensional view of the present utility model Figure 2 ;

[0017] Figure 3 is the partial three-dimensional view of the present utility model.

[0018] Reference numerals: 1, connecting air duct; 2, baffle; 3, mounting plate; 4, rotating shaft; 5, gear; 6, rack; 7, micro push rod; 8, housing; 9, rotating rod; 10, metering blade; 11, bolt; 12, nut; 13, ring plate. Specific embodiments

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0020] Please refer to Figures 1 - 3, the present utility model provides a technical solution: a constant air volume valve, which includes a connecting air duct 1 and a metering component. The outer wall of the connecting air duct 1 is fixedly connected with a housing 8. The housing 8 is located outside the adjustment structure, and its setting facilitates the installation work of the adjustment structure. The metering component includes an installation structure and an adjustment structure. The installation structure is located on the adjustment structure. The installation structure includes a rotating rod 9, a bolt 11 and a nut 12. A rotating rod 9 is slidably installed on the connecting air duct 1. An installation hole is opened at one end of the rotating rod 9. A bolt 11 is slidably installed in the installation hole. Nuts 12 are threadedly installed at both ends of the bolt 11. A rectangular groove is opened on the rotating shaft 4. The other end of the rotating rod 9 is rectangular. The other end of the rotating rod 9 is inserted and installed in the rectangular groove on the rotating shaft 4, and its setting facilitates the rotating shaft 4 to drive the rotating rod 9 to rotate. Through the coordinated use of the mounting plate 3, the rotating shaft 4, the gear 5, the toothed plate 6, the micro-push rod 7, the rotating rod 9, the bolt 11 and the nut 12, the air in the connecting air duct 1 can be metered. Compared with the traditional manual adjustment, the adjustment work of this device is more accurate, liberates the hands of the staff, reduces the need for manual intervention, improves the automation level of the system, reduces the work burden of the operator, ensures the stability of the air flow, thereby improving the comfort of the indoor environment. And the setting of the installation structure makes the metering blade 10 in the connecting air duct 1 be disassembled and installed. Compared with the traditional fixed installation method, this method makes the replacement of the metering blade 10 more convenient and reduces the cost of device replacement. During installation, the staff puts the metering blade 10 into the connecting air duct 1, pushes the metering blade 10 to the position where it fits with the baffle 2, and then manually inserts the other end of the rotating rod 9 into the metering blade 10 in the connecting air duct 1 until the other end of the rotating rod 9 is inserted into the rectangular groove in the rotating shaft 4. After the insertion is completed, the staff manually passes the bolt 11 through the opening on the rotating rod 9 and the ring plate 13, and then uses the nut 12 to fix it. When in use, control the micro-push rod 7 to start. The free end of the micro-push rod 7 drives the toothed plate 6 to move. The movement of the toothed plate 6 drives the gear 5 to rotate. The rotation of the gear 5 drives the rotating shaft 4 to rotate. The rotation of the rotating shaft 4 drives the rotating rod 9 to rotate. The rotating rod 9 drives the metering blade 10 to rotate, so that the metering blade 10 performs metering work. The adjustment structure includes a mounting plate 3, a rotating shaft 4, a gear 5, a toothed plate 6 and a micro-push rod 7. The outer wall of the connecting air duct 1 is fixedly connected with a mounting plate 3. A toothed plate 6 is arranged on the mounting plate 3. A rotating shaft 4 is rotatably installed on the mounting plate 3. A gear 5 is fixedly sleeved on the outer wall of the rotating shaft 4. The gear 5 and the toothed plate 6 are meshed with each other. One side inner wall of the housing 8 is fixedly connected with a micro-push rod 7. The free end of the micro-push rod 7 is fixedly installed on the toothed plate 6. The toothed plate 6 is slidably installed on the mounting plate 3 through a slider.

[0021] Furthermore, an annular plate 13 is fixedly connected to the outer wall of the connecting air duct 1, which is provided to facilitate the auxiliary work of the installation of the installation structure. Installation holes are also provided on the annular plate 13 to facilitate the installation of the bolts 11. A baffle 2 is fixedly connected to the inside of the connecting air duct 1, which is provided to limit the reset of the metering blade 10 to ensure that it is in the middle position during reset. A metering blade 10 is fixedly sleeved on the outer wall of the rotating rod 9, which is provided to meter the air in the connecting air duct 1.

[0022] Working principle: During installation, the staff places the metering blade 10 into the connecting air duct 1, pushes the metering blade 10 to a position where it fits against the baffle 2, and then manually inserts the other end of the rotating rod 9 into the metering blade 10 in the connecting air duct 1 until the other end of the rotating rod 9 is inserted into the rectangular groove in the rotating shaft 4. After the insertion is completed, the staff manually passes the bolt 11 through the installation holes in the rotating rod 9 and the annular plate 13, and then uses the nut 12 to fix it. During use, the micro-push rod 7 is controlled to start. The free end of the micro-push rod 7 drives the toothed plate 6 to move. The movement of the toothed plate 6 drives the gear 5 to rotate. The rotation of the gear 5 drives the rotating shaft 4 to rotate. The rotation of the rotating shaft 4 drives the rotating rod 9 to rotate, and the rotating rod 9 drives the metering blade 10 to rotate, enabling the metering blade 10 to perform metering work.

[0023] The above has described the embodiments of the present invention in detail with reference to the drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present invention.

Claims

1. A constant air volume valve, characterized in that, Comprising: Connecting air duct (1); A quantitative component, which includes an installation structure and an adjustment structure. The installation structure is located on the adjustment structure. The adjustment structure includes a mounting plate (3), a rotating shaft (4), a gear (5), a toothed plate (6) and a micro push rod (7). The outer wall of the connecting air duct (1) is fixedly connected with a mounting plate (3). A toothed plate (6) is arranged on the mounting plate (3). A rotating shaft (4) is rotatably mounted on the mounting plate (3). A gear (5) is fixedly sleeved on the outer wall of the rotating shaft (4). The gear (5) meshes with the toothed plate (6).

2. The constant air volume valve according to claim 1, characterized in that: The outer wall of the connecting air duct (1) is fixedly connected with a housing (8). The housing (8) is located outside the adjustment structure.

3. The constant air volume valve according to claim 2, characterized in that: One inner wall of the housing (8) is fixedly connected with a micro push rod (7). The free end of the micro push rod (7) is fixedly installed on the toothed plate (6). The toothed plate (6) is slidably installed on the mounting plate (3) through a slider.

4. The constant air volume valve according to claim 3, characterized in that: The installation structure includes a rotating rod (9), a bolt (11) and a nut (12). A rotating rod (9) is slidably installed on the connecting air duct (1). An installation hole is opened at one end of the rotating rod (9). A bolt (11) is slidably installed in the installation hole. Nuts (12) are threadedly installed at both ends of the bolt (11).

5. The constant air volume valve according to claim 4, wherein: The outer wall of the connecting air duct (1) is fixedly connected with an annular plate (13).

6. The constant air volume valve according to claim 5, characterized in that: A baffle (2) is fixedly connected inside the connecting air duct (1).

7. The constant air volume valve according to claim 6, characterized in that: A quantitative blade (10) is fixedly sleeved on the outer wall of the rotating rod (9).

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