Manual split multi-blade air volume adjusting valve

Abstract

The utility model discloses a manual split multi-blade air volume regulating valve, which relates to the technical field of air volume regulating valves and comprises a valve body unit, and an air volume regulating valve device is rotatably mounted in the valve body unit. By installing the air volume adjusting valve device and arranging the driving adjusting assembly, the adjusting blade can be driven to rotate by rotating the adjusting handle, so that the opening size can be adjusted for ventilation, and the adjusting blade at the other end is driven to rotate in the opposite direction through the first gear and the second gear for ventilation. A plurality of adjusting blades can be adjusted to rotate only by rotating a rotating rod at one end, time and labor are saved, an adjusting blade assembly is arranged, and through the arranged adjusting blades, L-shaped limiting plates and rubber strips, when the adjusting blades are in a closed state, the L-shaped limiting plates at one ends of the adjusting blades are connected with the fixing plates in a clamped mode, and the rubber strips at the other ends of the adjusting blades are adjusted to extrude one another; therefore, the sealing performance between the adjusting blade and the valve body is improved, and air circulation is isolated when the valve is closed.

Description

Technical Field

[0001] The utility model relates to the technical field of air volume regulating valves, in particular to a manual split multi-leaf air volume regulating valve. Background Art

[0002] The air volume regulating valve, also known as the damper, is an indispensable central air-conditioning terminal accessory in the ventilation, air conditioning and air purification projects of industrial plants and civil buildings. It is generally used in air-conditioning and ventilation system pipes to adjust the air volume of the branch pipes. It can also be used for the mixing adjustment of fresh air and return air. The manual double-leaf regulating valve can be installed on the air duct and connected to the air duct to control the wind speed and adjust the indoor air supply volume.

[0003] In the prior art, a Chinese utility model patent document with a publication number of CN218031464U and a publication date of December 13, 2022 is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A manual split multi-leaf air volume regulating valve, which relates to the technical field of air volume regulating valves. The utility model includes a valve body, an adjustment box is fixed on the outer side of the valve body, a driven rod and a group of active rods are rotatably connected in the valve body, slots are provided on both sides of the driven rod and a group of active rods, and adjustment blades are inserted in several slots, a main adjustment rod and a group of secondary adjustment rods are rotatably connected in the adjustment box, active teeth are fixed on the peripheral side of the main adjustment rod, and driven teeth are fixed on the peripheral side of the secondary adjustment rod. The main adjustment rod is connected to the driven rod, a group of secondary adjustment rods is connected to a group of active rods, and screw holes are provided on several adjustment blades, and bolts are threadedly connected on the driven rod and a group of active rods. The utility model has a simple structure and good protection for the adjustment mechanism, and is convenient for replacing the adjustment blades.

[0004] In order to solve the problem that the sealing effect of the regulating valve is not good enough when it is in the initial position, that is, in the closed state, the prior art does not set a sealing structure between the regulating blade, so that there is a gap between the regulating blade and the valve body in the initial position, and the wind is easy to leak out, which is not conducive to the use of the air volume regulating valve. Utility Model Content

[0005] The utility model provides a manual split multi-leaf air volume regulating valve to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A manual split multi-leaf air volume regulating valve comprises a valve body unit, in which an air volume regulating valve device is rotatably mounted.

[0008] The air volume regulating valve device comprises a driving regulating assembly, which is arranged in the valve body unit. The lower end of the driving regulating assembly is fixedly connected with a regulating blade assembly, and the regulating blade assembly is rotatably connected to the left and right ends inside the valve body unit.

[0009] A further improvement of the technical solution of the utility model is that: the valve body unit comprises a valve body, and mounting plates are fixedly connected to the outer walls at both ends of the valve body, and mounting holes are provided on the mounting plates.

[0010] In the above technical solution, the provided mounting plate and mounting hole facilitate the installation and fixing of the regulating valve.

[0011] A further improvement of the technical solution of the utility model is that a protective shell is fixedly connected to the top of the valve body, and a fan-shaped sliding groove is opened on the left end of the protective shell.

[0012] In the above technical solution, when the adjusting handle is rotated, the fixing seat slides in the fan-shaped slide groove, thereby improving the stability of the adjusting handle and preventing the adjusting blade from being blown by wind to cause the adjusting handle to move.

[0013] A further improvement of the technical solution of the utility model is that: both upper and lower ends of the inner wall of the valve body are fixedly connected with fixing blocks, and both left and right ends of the inner wall of the valve body are fixedly connected with fixing plates.

[0014] A further improvement of the technical solution of the utility model is that the drive adjustment component includes a fixed seat, the outer wall of the lower end of the fixed seat is slidably connected to the inner wall of the fan-shaped slide groove, an adjustment handle is fixedly connected to the outer wall of the fixed seat, and a rotating rod is fixedly connected to the inner wall of the other end of the adjustment handle, and the rotating rod extends to the lower end fixed block.

[0015] In the above technical solution, the adjusting blades are driven to rotate by rotating the adjusting handle, so that the size of the opening can be adjusted for ventilation.

[0016] A further improvement of the technical solution of the utility model is that: the outer wall of the rotating rod is fixedly connected with a gear 1, and the gear 1 is located inside the protective shell, and the right end of the gear 1 is meshedly connected with a gear 2.

[0017] A further improvement of the technical solution of the utility model is that the adjusting blade assembly includes adjusting blades, and the adjusting blades are fixedly connected to the outer wall of the rotating rod, and an L-shaped limit plate is fixedly connected to the outer surface of the adjusting blade on the side close to the valve body, and the L-shaped limit plate is clamped on the fixed plate, and the other end of the adjusting blade is fixedly connected to a rubber strip, and the two rubber strips are in extrusion contact.

[0018] In the above technical solution, when the regulating blade is in a closed state, the L-shaped limit plate at one end of the regulating blade is clamped with the fixed plate, and the rubber strips at the other end are squeezed against each other, thereby improving the sealing between the regulating blade and the valve body and isolating the air circulation when closed.

[0019] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0020] The utility model provides a manual double-leaf air volume regulating valve, on which an air volume regulating valve device is installed, and through a provided driving regulating component, the regulating blades can be driven to rotate by rotating the regulating handle, so that the opening size can be adjusted for ventilation, and the regulating blades at the other end are driven to rotate in the opposite direction for ventilation through gear one and gear two, and the rotation of multiple regulating blades can be adjusted by only rotating the rotating rod at one end, which saves time and effort.

[0021] The utility model provides a manual double-leaf air volume regulating valve, on which a regulating blade assembly is arranged, and through the arranged regulating blades, L-shaped limiting plates and rubber strips, when the regulating blades are in a closed state, the L-shaped limiting plates at one end of the regulating blades are clamped with a fixed plate, and the rubber strips at the other end of the regulating blades are pressed against each other, thereby improving the sealing between the regulating blades and the valve body, and isolating the circulation of air when closed.

[0022] The utility model provides a manual split multi-leaf air volume regulating valve. A fixed seat is arranged at one end of an adjusting handle. When the adjusting handle is rotated, the fixed seat slides in a fan-shaped slide groove to improve the stability of the adjusting handle and prevent the adjusting blades from being blown by wind to cause the adjusting handle to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 The utility model is Figure 1 Structural schematic diagram of the air volume regulating valve device;

[0025] Figure 3 The utility model is Figure 2 Schematic diagram of the structure of the air volume control valve when it is unfolded;

[0026] Figure 4 The utility model is Figure 1 A magnified view of Figure A;

[0027] Figure 5 The utility model is Figure 3 Enlarged view of Figure B.

[0028] In the figure: 1. valve body unit; 2. air volume regulating valve device; 11. valve body; 12. mounting plate; 13. mounting hole; a1. protective shell; a2. fan-shaped slide groove; b1. fixing block; b2. fixing plate; 21. drive adjustment assembly; 22. adjusting blade assembly; c1. adjusting handle; c2. fixing seat; c3. rotating rod; c4. gear one; c5. gear two; d1. adjusting blade; d2. L-shaped limit plate; d3. rubber strip. DETAILED DESCRIPTION

[0029] See also Figure 1-5 The utility model provides a technical solution: a manual double-leaf air volume regulating valve, comprising a valve body unit 1, in which an air volume regulating valve device 2 is rotatably installed, and the installed air volume regulating valve device 2 can rotate the adjusting blade d1 by rotating the adjusting handle c1 through the arranged driving adjustment component 21 and the adjusting blade component 22, so as to circulate the air in the air duct, and when the adjusting blade d1 is in the initial position, that is, in the closed state, the L-shaped limiting plate d2 at one end of the adjusting blade d1 is clamped with the fixing plate b2, and the rubber strip d3 at the other end is adjusted to squeeze each other, so as to improve the sealing between the adjusting blade d1 and the valve body 11 in the closed state.

[0030] In this embodiment, the valve body unit 1 includes a valve body 11, and mounting plates 12 are fixedly connected to the outer walls of the front and rear ends of the valve body 11, and mounting holes 13 are provided on the mounting plates 12. A protective shell a1 is fixedly connected to the top of the valve body 11, and a fan-shaped slide groove a2 is provided on the left end of the protective shell a1. A fixed seat c2 is arranged at one end of the adjusting handle c1. When the adjusting handle c1 is rotated, the fixed seat c2 slides in the fan-shaped slide groove a2, thereby improving the stability of the adjusting handle c1. In addition, it can prevent the wind from blowing the adjusting blade d1 to cause the adjusting handle c1 to move. The upper and lower ends of the inner wall of the valve body 11 are fixedly connected to the fixing blocks b1, and the left and right ends of the inner wall of the valve body 11 are fixedly connected to the fixing plates b2.

[0031] Preferably, the air volume regulating valve device 2 includes a driving and regulating component 21, which is arranged in the valve body unit 1, and the lower end of the driving and regulating component 21 is fixedly connected to the regulating blade component 22, and the regulating blade component 22 is rotatably connected to the left and right ends inside the valve body unit 1, and the driving and regulating component 21 includes a fixed seat c2, the outer wall of the lower end of the fixed seat c2 is slidably connected to the inner wall of the fan-shaped slide groove a2, and the outer wall of the fixed seat c2 is fixedly connected to the regulating handle c1, and the inner wall of the other end of the regulating handle c1 is fixedly connected to the rotating rod c3, and the rotating rod c3 extends to the lower end On the fixed block b1, the outer wall of the rotating rod c3 is fixedly connected with a gear 1 c4, and the gear 1 c4 is located inside the protective shell a1, and the right end of the gear 1 c4 is meshed with the gear 2 c5. The air volume regulating valve device 2 is installed on the device. Through the provided driving regulating component 21, the regulating blade d1 can be driven to rotate by rotating the regulating handle c1, so that the opening size can be adjusted for ventilation, and the regulating blade d1 at the other end is driven to rotate in the opposite direction for ventilation through the gear 1 c4 and the gear 2 c5, that is, hold the regulating handle c1 and rotate it counterclockwise, and make The fixed seat c2 slides in the fan-shaped slide groove a2, driving the rotating rod c3 to rotate, and driving the gear 1 c4 and the gear 2 c5 to rotate, so that the adjusting blade d1 on the left rotates counterclockwise, and the adjusting blade d1 on the right rotates clockwise. It is only necessary to rotate the rotating rod c3 at one end to adjust the rotation of multiple adjusting blades d1, saving time and effort. The adjusting blade assembly 22 includes adjusting blades d1, and the adjusting blades d1 are fixedly connected to the outer wall of the rotating rod c3. The outer surface of the adjusting blade d1 close to the valve body 11 is fixedly connected with an L-shaped limit plate d2, and the L-shaped limit plate d2 is fixedly connected to the outer surface of the adjusting blade d1. The plates d2 are all clamped on the fixed plate b2, and the other ends of the adjusting blades d1 are fixedly connected with the rubber strips d3, and the two rubber strips d3 are squeezed and contacted. An adjusting blade assembly 22 is arranged on the device. Through the arranged adjusting blade d1, L-shaped limiting plate d2 and rubber strip d3, when the adjusting blade d1 is in a closed state, the L-shaped limiting plate d2 at one end of the adjusting blade d1 is clamped with the fixed plate b2, and the rubber strips d3 at the other end of the adjusting blade are squeezed against each other, thereby improving the sealing between the adjusting blade d1 and the valve body 11, and isolating the air circulation when closed.

[0032] The following is a detailed description of the working principle of the manual double-leaf air volume regulating valve.

[0033] like Figure 1-5 As shown, when air is circulated in the air duct, hold the adjustment handle c1 and rotate it counterclockwise, and make the fixed seat c2 slide in the fan-shaped slide groove a2, drive the rotating rod c3 to rotate, and drive the gear 1 c4 and the gear 2 c5 to rotate, so that the adjustment blade d1 on the left side rotates counterclockwise and the adjustment blade d1 on the right side rotates clockwise, thereby ventilating.

[0034] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A manual split multi-leaf air volume regulating valve, comprising a valve body unit (1), characterized in that: An air volume regulating valve device (2) is rotatably mounted in the valve body unit (1); The air volume regulating valve device (2) comprises a driving regulating component (21), the driving regulating component (21) being arranged in the valve body unit (1), the lower end of the driving regulating component (21) being fixedly connected to an regulating blade component (22), and the regulating blade component (22) being rotatably connected to the left and right ends inside the valve body unit (1); The valve body unit (1) comprises a valve body (11), and mounting plates (12) are fixedly connected to the outer walls at both the front and rear ends of the valve body (11), and mounting holes (13) are provided on the mounting plates (12); A protective shell (a1) is fixedly connected to the top of the valve body (11), and a fan-shaped slide groove (a2) is provided on the left end of the protective shell (a1); The upper and lower ends of the inner wall of the valve body (11) are fixedly connected to fixing blocks (b1), and the left and right ends of the inner wall of the valve body (11) are fixedly connected to fixing plates (b2); The driving adjustment component (21) comprises a fixed seat (c2), the outer wall of the lower end of the fixed seat (c2) is slidably connected to the inner wall of the fan-shaped slide groove (a2), an adjustment handle (c1) is fixedly connected to the outer wall of the fixed seat (c2), a rotating rod (c3) is fixedly connected to the inner wall of the other end of the adjustment handle (c1), and the rotating rod (c3) extends to the lower end fixed block (b1); The outer wall of the rotating rod (c3) is fixedly connected with a gear 1 (c4), and the gear 1 (c4) is located inside the protective shell (a1), and the right end of the gear 1 (c4) is meshedly connected with a gear 2 (c5); The regulating blade assembly (22) comprises regulating blades (d1), each of the regulating blades (d1) being fixedly connected to the outer wall of the rotating rod (c3), each of the regulating blades (d1) being fixedly connected to an L-shaped limit plate (d2) on the outer surface of the side close to the valve body (11), and each of the L-shaped limit plates (d2) being clamped on the fixed plate (b2), and each of the other ends of the regulating blades (d1) being fixedly connected to a rubber strip (d3), and the two rubber strips (d3) being in extrusion contact.

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