Air volume adjusting valve

Abstract

The utility model belongs to the technical field of valve manufacturing, and particularly relates to an air volume adjusting valve which comprises a valve body, a partition plate, a mounting seat, a rotating disc, a rotating shaft and a locking nut. The partition plate is rotationally arranged in the valve body through the rotating shaft, and the mounting seat is arranged on one side wall of the valve body; one end of the rotating shaft sequentially penetrates through one side wall of the valve body and the installation base and then is fixedly connected with the rotating disc, the other end of the rotating shaft is in rotating fit with the other side wall of the valve body, a threaded hole is formed in the installation base, an arc-shaped groove is formed in the rotating disc, and a screw of the locking nut penetrates through the arc-shaped groove and then is in threaded connection with the threaded hole. In the working process, the rotating disc is rotated to a proper angle so that the opening degree of the partition plate can be adjusted to the needed opening degree, then the rotating disc and the installation base are locked through the locking nut, the rotating disc is fixed, and therefore accurate adjustment of the air volume is achieved. The air volume adjusting valve is suitable for being used in a narrow space.

Description

Technical Field

[0001] This utility model belongs to the field of valve manufacturing technology, specifically relating to an air volume regulating valve, which is suitable for precise control of air volume and is suitable for use in confined spaces. Background Technology

[0002] An air valve, also known as an air volume regulating valve, is a type of duct valve used to regulate the ventilation volume in air ducts. Air valves can be divided into two types: electric and manual. Existing manual air valves have the following structure... Figure 7 and Figure 8 As shown, the device includes a valve body 91, a push handle 92, and a baffle plate 93 disposed inside the valve body. Its working principle is that pressing the push handle 92 controls the opening or closing of the baffle plate 93, thereby controlling the opening and closing of the air valve. The above-mentioned prior art has the following problems:

[0003] 1. It can only open and close the air valve, but cannot precisely control the air volume of the air valve.

[0004] 2. The push handle for controlling the air valve switch is too long, which cannot meet the needs of use in confined spaces.

[0005] 3. The flange on the valve body is welded to the valve body as a whole, which makes it impossible to change the installation position when connecting to the cabinet or air duct, resulting in poor installation flexibility.

[0006] 4. The partition is only achieved by a wind deflector, which has poor separation effect and poor sealing effect. Summary of the Invention

[0007] The purpose of this invention is to address the aforementioned problems in the existing technology by providing an airflow regulating valve that can achieve precise airflow control and is suitable for use in confined spaces.

[0008] To achieve the above objectives, the technical solution of this utility model is as follows:

[0009] An air volume regulating valve includes a valve body and a partition plate, wherein the partition plate is rotatably disposed inside the valve body via a rotating shaft;

[0010] The air volume regulating valve also includes a mounting base, a turntable, a rotating shaft, and a locking nut. The mounting base is set on one side wall of the valve body. One end of the rotating shaft passes through the side wall of the valve body and the mounting base in sequence and is fixedly connected to the turntable. The other end of the rotating shaft is rotatably engaged with the other side wall of the valve body. The mounting base has a threaded hole, and the turntable has an arc-shaped groove. The screw of the locking nut passes through the arc-shaped groove and is threadedly connected to the threaded hole.

[0011] The turntable is used to adjust the opening degree of the partition plate when it rotates, so as to regulate the air volume;

[0012] The locking nut is used to lock the turntable to the mounting base after the air volume is adjusted, so as to fix the turntable.

[0013] The valve body has a first retaining ring and a second retaining ring respectively on the top and bottom outer walls. The air volume regulating valve also includes an upper flange and a lower flange. The upper flange is sleeved on the top of the valve body near the first retaining ring, and the lower flange is sleeved on the bottom of the valve body near the second retaining ring.

[0014] Both sides of the upper flange and both sides of the lower flange are provided with cut edges.

[0015] The partition plate is provided with a silicone sealing ring around its perimeter.

[0016] The mounting base includes a cylindrical body and a conical body. One end of the cylindrical body is fixedly connected to one side wall of the valve body, and the other end of the cylindrical body is fixedly connected to the small-diameter end of the conical body. The large-diameter end of the conical body fits against the turntable, and the threaded hole is opened on the large-diameter end of the conical body.

[0017] An angle scale is provided on the large-diameter end of the conical cylinder, and an angle indicator window is provided on the turntable.

[0018] The bottom of the rotating shaft is provided with a first notch and a second notch. The first notch is fixed to the partition plate by a first fixing nut, and the second notch is fixed to the partition plate by a second fixing nut.

[0019] The partition plate has a first slot, a second slot, and a third slot along the central axis of the rotating shaft. The first slot is for the part of the bottom of the rotating shaft located between the first notch and one side wall of the valve body to pass through. The second slot is for the part of the bottom of the rotating shaft located between the first notch and the second slot to pass through. The third slot is for the part of the bottom of the rotating shaft located between the second slot and the other side wall of the valve body to pass through.

[0020] The upper and lower parts of the valve body are respectively provided with an exhaust port and an air intake port.

[0021] Both sides of the turntable are equipped with hand-tightening plates, which are integrally formed from sheet metal with the turntable.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] 1. The airflow regulating valve of this utility model includes a valve body, a partition plate, a mounting base, a turntable, a rotating shaft, and a locking nut. The mounting base is disposed on one side wall of the valve body. One end of the rotating shaft passes through the side wall of the valve body and the mounting base in sequence and is fixedly connected to the turntable. The other end of the rotating shaft is rotatably engaged with the other side wall of the valve body. A threaded hole is provided on the mounting base, and an arc-shaped groove is provided on the turntable. The screw of the locking nut passes through the arc-shaped groove and is threadedly connected to the threaded hole. During operation, the turntable is rotated to a suitable angle to adjust the opening degree of the partition plate to the required opening degree. Then, the turntable is locked to the mounting base by the locking nut to fix the turntable, thus achieving precise airflow regulation. Since the airflow regulation is performed through the turntable, the turntable occupies a small space, making it suitable for use in confined spaces.

[0024] 2. The air volume regulating valve of this utility model has a first retaining ring and a second retaining ring respectively provided on the top and bottom outer walls of the valve body. The air volume regulating valve also includes an upper flange and a lower flange. The upper flange is sleeved on the top of the valve body near the first retaining ring, and the lower flange is sleeved on the bottom of the valve body near the second retaining ring. During operation, the mounting holes on the upper flange and the lower flange are rotated to align with the mounting holes on the cabinet or air duct before installation, which provides high installation flexibility.

[0025] 3. The air volume regulating valve described in this utility model has cut edges on both sides of the upper flange and both sides of the lower flange. The cut edges can keep the valve body and the cabinet at the shortest distance, making it more suitable for use in narrow spaces.

[0026] 4. The air volume regulating valve of this utility model has a silicone sealing ring around the periphery of the partition plate, which improves the sealing effect of the partition plate. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of this utility model.

[0028] Figure 2 This is a schematic diagram of the threaded hole in this utility model.

[0029] Figure 3 This is a cross-sectional view of the present invention.

[0030] Figure 4 This is a top view of the present invention.

[0031] Figure 5 This is a bottom view of the present invention.

[0032] Figure 6 This is a schematic diagram of the angle scale of this utility model.

[0033] Figure 7 This is a schematic diagram of an existing manual air valve.

[0034] Figure 8 This is a diagram of the internal structure of an existing manual damper.

[0035] In the above diagram, the components are: valve body 1, first retaining ring 11, second retaining ring 12, exhaust port 13, air intake port 14, reserved exhaust port 15, reserved air intake port 16, silicone plug 17, partition plate 2, silicone sealing ring 21, first slot 22, second slot 23, third slot 24, mounting base 3, threaded hole 31, cylindrical body 32, conical body 33, angle scale 331, turntable 4, arc groove 41, angle indicator window 42, hand-tightening plate 43, rotating shaft 5, first notch 51, second notch 52, first fixing nut 53, second fixing nut 54, locking nut 6, upper flange 7, cut edge 71, lower flange 8, air valve body 91, pressing handle 92, and wind baffle 93. Detailed Implementation

[0036] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0037] See Figures 1 to 3 This utility model provides an airflow regulating valve. The partition plate 2 is rotatably mounted inside the valve body 1 via a rotating shaft 5. The airflow regulating valve includes a valve body 1, a partition plate 2, a mounting base 3, a turntable 4, a rotating shaft 5, and a locking nut 6. The mounting base 3 is mounted on one side wall of the valve body 1. One end of the rotating shaft 5 passes through the side wall of the valve body 1 and the mounting base 3 in sequence and is fixedly connected to the turntable 4. The other end of the rotating shaft 5 is rotatably engaged with the other side wall of the valve body 1. The mounting base 3 has a threaded hole 31, and the turntable 4 has an arc-shaped groove 41. The screw of the locking nut 6 passes through the arc-shaped groove 41 and is threadedly connected to the threaded hole 31.

[0038] The working principle of the above-mentioned air volume regulating valve is as follows: First, rotate the turntable 4 to a suitable angle to adjust the opening degree of the partition plate to the required opening degree. Then, lock the turntable 5 to the mounting base 3 with the locking nut 6 to fix the turntable 4. In this way, the precise adjustment of the air volume is completed. The rotation angle range of the turntable 4 is the arc span of the two ends of the arc groove 41.

[0039] In another preferred embodiment, the valve body 1 is a hollow tubular structure, with a first retaining ring 11 and a second retaining ring 12 respectively provided on the outer walls of its top and bottom ends. The airflow regulating valve also includes an upper flange 7 and a lower flange 8. The upper flange 7 is fitted onto the top end of the valve body 1 near the first retaining ring 11, and the lower flange 8 is fitted onto the bottom end of the valve body 1 near the second retaining ring 12. The first retaining ring 11 and the second retaining ring 12 prevent the upper flange 7 and the lower flange 8 from detaching from the valve body 1. When installing the airflow regulating valve, the mounting holes on the upper flange 7 and the lower flange 8 are rotated to align with the mounting holes on the cabinet or air duct before installation, providing high installation flexibility.

[0040] In another preferred embodiment, both sides of the upper flange 7 and both sides of the lower flange 8 are provided with chamfered edges 71. Taking the upper flange 7 as an example, one of its chamfered edges 71 is located close to the mounting base 3. The chamfered edges 71 allow the valve body to maintain the shortest distance from the cabinet, making it more suitable for use in confined spaces.

[0041] In another preferred embodiment, a silicone sealing ring 21 is provided around the periphery of the partition plate 2, which improves the sealing effect of the partition plate 2.

[0042] In another preferred embodiment, the mounting base 3 includes a cylindrical body 32 and a conical body 33. One end of the cylindrical body 32 is fixedly connected to a side wall of the valve body 1, and the other end of the cylindrical body 32 is fixedly connected to the small-diameter end of the conical body 33. The diameter of the other end of the cylindrical body 32 is equal to that of the small-diameter end of the conical body 33. The large-diameter end of the conical body 33 is fitted with the turntable 4, and the threaded hole 31 is formed on the large-diameter end of the conical body 33.

[0043] In another preferred embodiment, an angle scale 331 is provided on the large-diameter end of the conical cylinder 33, and an angle indicator window 42 is provided on the turntable 4. The angle scale 331 ranges from 0° to 90°. For example, the angle scale 331 is specifically provided with four positions: 0°, 30°, 60°, and 90°. The operator manually controls the turntable 4 to rotate. When the number 30° on the angle scale 331 appears in the angle indicator window 42, it indicates that the current rotation angle has reached 30°.

[0044] In another preferred embodiment, the bottom of the rotating shaft 5 is provided with a first notch 51 and a second notch 52. The first notch 51 is fixed to the partition plate 2 by a first fixing nut 53, and the second notch 52 is fixed to the partition plate 2 by a second fixing nut 54. The rotating shaft 5 and the partition plate 2 are detachably connected, which facilitates the replacement of parts when the partition plate 2 is damaged or the silicone sealing ring 21 is worn.

[0045] In another preferred embodiment, the partition plate 2 is provided with a first slot 22, a second slot 23, and a third slot 24 along the central axis of the rotating shaft. The first slot 22 is used for the part of the bottom of the rotating shaft 5 located between the first notch 51 and one side wall of the valve body 1 to pass through. The second slot 23 is used for the part of the bottom of the rotating shaft 5 located between the first notch 51 and the second slot 23 to pass through. The third slot 24 is used for the part of the bottom of the rotating shaft 5 located between the second slot 23 and the other side wall of the valve body 1 to pass through.

[0046] In another preferred embodiment, the upper and lower parts of the valve body 1 are respectively provided with an exhaust port 13 and an air intake port 14. The exhaust port 13 can be connected to the air intake port of the wind pressure gauge and the air intake port of the detector, and the air intake port 14 can be connected to the exhaust port of the detector. A reserved exhaust port 15 is provided on the upper part of the valve body 1 opposite to the exhaust port 13, and a reserved air intake port 16 is provided on the lower part of the valve body 1 opposite to the air intake port 14. When not in operation, the reserved exhaust port 15 and the reserved air intake port 16 are fitted with silicone plugs 17.

[0047] Both sides of the turntable 4 are provided with a hand-tightening plate 43, which is integrally formed with the turntable 4 by sheet metal. The hand-tightening plate 43 is provided to facilitate the operator to rotate the turntable 4.

[0048] The embodiments described above are only some embodiments of this utility model, and not all embodiments; based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

Claims

1. An airflow regulating valve, comprising a valve body (1) and a partition plate (2), wherein the partition plate (2) is rotatably disposed inside the valve body (1) via a rotating shaft (5), characterized in that: The air volume regulating valve also includes a mounting base (3), a turntable (4), a rotating shaft (5), and a locking nut (6). The mounting base (3) is set on one side wall of the valve body (1). One end of the rotating shaft (5) passes through the side wall of the valve body (1) and the mounting base (3) in sequence and is fixedly connected to the turntable (4). The other end of the rotating shaft (5) is rotatably engaged with the other side wall of the valve body (1). The mounting base (3) is provided with a threaded hole (31). The turntable (4) is provided with an arc groove (41). The screw of the locking nut (6) passes through the arc groove (41) and is threadedly connected to the threaded hole (31). The turntable (4) is used to adjust the opening degree of the partition plate (2) when it is rotated, so as to adjust the air volume; The locking nut (6) is used to lock the turntable (4) to the mounting base (3) after the air volume is adjusted, so as to fix the turntable (4).

2. The air volume regulating valve according to claim 1, characterized in that: The valve body (1) is provided with a first retaining ring (11) and a second retaining ring (12) on the outer wall of the top and bottom ends respectively. The air volume regulating valve also includes an upper flange (7) and a lower flange (8). The upper flange (7) is sleeved on the top end of the valve body (1) near the first retaining ring (11), and the lower flange (8) is sleeved on the bottom end of the valve body (1) near the second retaining ring (12).

3. The air volume regulating valve according to claim 2, characterized in that: Both sides of the upper flange (7) and both sides of the lower flange (8) are provided with slits (71).

4. A flow rate regulating valve according to any one of claims 1-3, characterized in that: The partition plate (2) is provided with a silicone sealing ring (21) around its periphery.

5. A flow rate regulating valve according to any one of claims 1-3, characterized in that: The mounting base (3) includes a cylindrical body (32) and a conical body (33). One end of the cylindrical body (32) is fixedly connected to one side wall of the valve body (1), and the other end of the cylindrical body (32) is fixedly connected to the small diameter end of the conical body (33). The large diameter end of the conical body (33) is in contact with the turntable (4), and the threaded hole (31) is opened on the large diameter end of the conical body (33).

6. The air volume regulating valve according to claim 5, characterized in that: An angle scale (331) is provided on the large diameter end of the conical cylinder (33), and an angle indicator window (42) is provided on the turntable (4).

7. A flow rate regulating valve according to any one of claims 1-3, characterized in that: The bottom of the rotating shaft (5) is provided with a first notch (51) and a second notch (52). The first notch (51) is fixed to the partition plate (2) by a first fixing nut (53), and the second notch (52) is fixed to the partition plate (2) by a second fixing nut (54).

8. The air volume regulating valve according to claim 7, characterized in that: The partition plate (2) has a first slot (22), a second slot (23), and a third slot (24) along the central axis of the rotating shaft. The first slot (22) is used for the part of the bottom of the rotating shaft (5) located between the first notch (51) and one side wall of the valve body (1) to pass through. The second slot (23) is used for the part of the bottom of the rotating shaft (5) located between the first notch (51) and the second slot (23) to pass through. The third slot (24) is used for the part of the bottom of the rotating shaft (5) located between the second slot (23) and the other side wall of the valve body (1) to pass through.

9. A flow rate regulating valve according to any one of claims 1-3, characterized in that: The valve body (1) has an exhaust port (13) and an air intake port (14) on its upper and lower parts, respectively.

10. A flow rate regulating valve according to any one of claims 1-3, characterized in that: Both sides of the turntable (4) are provided with a hand-tightening plate (43), and the hand-tightening plate (43) and the turntable (4) are integrally formed by sheet metal.

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