CN218564418U - Multifunctional constant air volume valve - Google Patents

Abstract

The application relates to a multi-functional level air valve relates to energy-conserving ventilation equipment's field, and it includes valve body, valve plate, installation component and adjusting part. One end of the valve body is an air inlet, the other end of the valve body is an air outlet, a cavity for air flow to pass through is formed inside the valve body, a valve plate is arranged in the cavity, and the valve plate is rotatably arranged in the cavity through a mounting assembly; the installation component is including setting up the pivot in the valve plate axis, and the pivot both ends are rotated and are connected on the valve body, and the one end of pivot is connected with the butt board, and the butt board is located the lateral wall of valve body, is provided with the adjusting part who prescribes a limit to butt board turned angle on the lateral wall of valve body, and the position of adjusting part on the lateral wall of valve body can be adjusted. The turned angle of valve plate can carry out many gears and adjust, and the amount of wind that passes through in the valve body can be adjusted according to actual conditions to multi-functional decide air volume valve's suitability is wider, in daily use, can adjust the air supply volume according to indoor condition, accords with environmental protection and energy saving's theory.

Description

Multifunctional constant air volume valve

Technical Field

The application relates to the field of energy-saving ventilation equipment, in particular to a multifunctional constant air volume valve.

Background

In public places such as large office buildings, hospitals and the like, a central air conditioner is often adopted to regulate indoor and outdoor air. The common construction method is to set fresh air units in each floor, lay fresh air branch pipes in the walkways, connect the branch pipes to each room from the main pipe, and install air volume regulating valves on the branch pipes to balance the air volume in each room. However, in practical applications, due to the influence of factors such as the length of the branch pipe and the area of the room, it is difficult to adjust the air volume to a preset range by using the air volume adjusting valve, so a constant air volume valve is often adopted at present.

The air flow fixing valve is a mechanical self-operated device, does not need external power when in use, and positions and controls the position of a valve plate by depending on the air flow force in an air pipe, thereby keeping the air flow at a preset flow in the whole pressure difference range.

Aiming at the related technologies, the inventor thinks that when the operation air volume and the load in the fresh air system need to be adjusted, an electric adjusting valve needs to be additionally arranged at the output end of the ventilating duct, so that the construction is more complicated and the manufacturing cost is higher, while the existing fixed air volume valve only can allow air with preset flow to pass through, can not adapt to the air volume adjusting requirement after indoor environment change, and has low applicability.

SUMMERY OF THE UTILITY MODEL

In order to make the amount of wind that passes through in the air valve surely to carry out many gears and adjust, improve the suitability of air valve surely, this application provides a multi-functional air valve surely.

The application provides a multi-functional level air valve adopts following technical scheme:

a multifunctional fixed air volume valve comprises a valve body, wherein one end of the valve body is an air inlet, the other end of the valve body is an air outlet, a cavity for air flow to pass through is formed in the valve body, a valve plate is arranged in the cavity, and the valve plate is rotatably arranged in the cavity through a mounting assembly; the installation component including set up in pivot on the valve plate axis, the pivot both ends rotate connect in on the valve body, the one end of pivot is connected with the butt plate, the butt plate is located on the lateral wall of valve body, still be provided with on the lateral wall of valve body and prescribe a limit to butt plate turned angle's adjusting part, adjusting part is in position on the lateral wall of valve body can be adjusted, on the cavity inside wall one side of valve plate is provided with the stopper that is used for prescribing a limit to the valve plate direction of rotation.

Through adopting above-mentioned technical scheme, the valve plate is when in the valve body, the turned angle of butt joint board is the same with the turned angle of valve plate, butt joint board can not continue to rotate under adjusting part's injecion after the valve plate rotates certain angle, the turned angle of valve plate reaches the maximum value promptly, adjusting part can adjust the removal in the position on the valve body lateral wall, adjusting part is adjustable to the spacing angle of butt joint board promptly, in other words, the biggest turned angle of valve plate can be adjusted, thereby the amount of wind that can pass in the valve body can carry out many gears and adjust, thereby the suitability of multi-functional air capacity valve is wider.

Optionally, a chute is formed in the outer side wall of the valve body, the chute is arranged in the same direction as the length direction of the valve body, the adjusting assembly comprises an adjusting block arranged in the chute in a sliding manner, an elastic piece is arranged at one end of the adjusting block, and the elastic piece is abutted to one side of the abutting plate.

Through adopting above-mentioned technical scheme to butt plate rotates thereupon when the valve plate is opened, and with the elastic component compression, the opening angle of valve plate reaches the maximum value when the elastic component is compressed to furthest, and the regulating block slides in the spout and can change the distance between elastic component and the butt plate, thereby the opening angle of valve plate can set up a plurality of gears, convenient and fast.

Optionally, a telescopic rod for driving the adjusting block to slide in the chute is arranged on the inner side wall of the chute, and the free end of the output shaft of the telescopic rod is fixedly connected with the adjusting block.

Through adopting above-mentioned technical scheme, the regulating block can slide in the spout under the effect of telescopic link output shaft, and is simple convenient.

Optionally, the elastic element includes a spring and an elastic block disposed on the spring, the spring is disposed at one end of the adjusting block close to the abutting plate, and one end of the elastic block far away from the spring abuts against the abutting plate.

Through adopting above-mentioned technical scheme, use the spring, the cost is lower and simple structure, and the elastic block can not produce the damage under the effect of spring on the surface looks butt of butt joint board with the surperficial looks butt of butt joint board.

Optionally, the two ends of the adjusting block are provided with sliding strips, and two side walls opposite to the sliding groove are provided with guide grooves for the sliding strips to slide.

Through adopting above-mentioned technical scheme, the setting up of draw runner can reduce the frictional force that the regulating block produced when sliding in the spout, makes the regulating block more stable at the slip in-process simultaneously.

Optionally, the abutting plate and the rotating shaft are integrally formed.

Through adopting above-mentioned technical scheme, structural strength between butt plate and the pivot is big, and life can increase.

Optionally, a sealing ring is arranged at the edge of the valve plate.

Through adopting above-mentioned technical scheme, the sealing washer pastes tightly with the inside wall of cavity, becomes the flexonics by the rigid contact between the edge of valve plate and the cavity inner wall, and sealing performance reinforcing when the valve plate is closed.

Optionally, a mounting hole for the rotating shaft to penetrate out is formed in the valve body, and a dustproof bearing is arranged between the mounting hole and the rotating shaft.

Through adopting above-mentioned technical scheme, dust bearings's sealing performance is good, under the condition that the air duct was closed promptly to the valve plate closure, can guarantee the sealing performance of valve body, dust bearings still can reduce the pivot and rotate the in-process and produce the condition of wearing and tearing between the inside wall of mounting hole, prevents simultaneously that the pivot from producing the skew when rotating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the position of the adjusting component on the outer side wall of the valve body can be adjusted and moved, namely, the limiting angle of the abutting plate can be adjusted by the adjusting component, namely, the maximum rotating angle of the valve plate can be adjusted, so that the air quantity passing through the valve body can be adjusted in multiple gears, and the multifunctional fixed air quantity valve is wide in applicability;

2. the adjusting block can slide in the sliding groove under the action of the output shaft of the telescopic rod, so that the device is simple and convenient;

3. the dustproof bearing can ensure the sealing performance of the valve body, can also reduce the abrasion between the rotating shaft and the inner side wall of the mounting hole in the rotating process, and simultaneously prevents the rotating shaft from deviating in the rotating process.

Drawings

FIG. 1 is a schematic view of a multifunctional fixed air volume valve according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a multifunctional constant air volume valve according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the adjustment assembly;

fig. 4 is a schematic structural view of the multifunctional fixed air volume valve after the valve plate rotates.

Description of reference numerals:

1. a valve body; 11. an air inlet; 12. an air outlet; 13. a cavity; 14. a limiting block; 15. a chute; 151. a guide groove; 16. mounting holes; 2. a valve plate; 21. a seal ring; 3. mounting the component; 31. a rotating shaft; 32. abutting against the plate; 33. a dust-proof bearing; 4. an adjustment assembly; 41. an adjusting block; 411. a slide bar; 42. an elastic member; 421. a spring; 422. an elastic block; 43. a telescopic rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and fig. 2, the embodiment of the application discloses a multi-functional air capacity valve, including valve body 1, the one end of valve body 1 is air intake 11, the other end of valve body 1 is air outlet 12, the inside cavity 13 that supplies the air current to pass through that forms of valve body 1, be provided with valve plate 2 in the cavity 13, valve plate 2 rotates through installation component 3 and sets up in cavity 13, be provided with the adjusting part 4 that is used for injecing the turned angle of valve plate 2 on the lateral wall of valve body 1, and adjusting part 4 can be adjusted in the position on the lateral wall of valve body 1, namely the turned angle of valve plate 2 can carry out many gears and adjust, thereby the amount of wind that passes through in the valve body 1 can be adjusted according to actual conditions, in daily use, can adjust the air supply according to indoor condition, accord with environmental protection and energy saving's theory.

The valve body 1 is a hollow cylindrical structure, the valve plate 2 is a circular plate-shaped structure matched with the valve body 1, and the diameter of the valve plate 2 is adapted to the inner diameter of the valve body 1. Installation component 3 includes that integrated into one piece sets up pivot 31 on 2 axis of valve plate, and integrated into one piece's setting is convenient and fast more in the manufacture process, and the joint strength between valve plate 2 and the pivot 31 is big, and life is longer. The lateral wall of the valve body 1 is provided with mounting holes 16 for mounting the two ends of the rotating shaft 31, the mounting holes 16 are through holes formed along the lateral wall of the valve body 1, and the two ends of the rotating shaft 31 are rotatably arranged on the inner lateral wall of the mounting holes 16. A limiting block 14 is arranged on one side of the valve plate 2 on the inner side wall of the cavity 13, and the limiting block 14 is used for limiting the rotation direction of the valve plate 2. In this embodiment, the limiting block 14 is disposed on a side of an inner side wall of the cavity 13 close to the air inlet 11.

A dustproof bearing 33 is arranged between the mounting hole 16 and the rotating shaft 31, an inner ring of the dustproof bearing 33 is fixedly connected with the rotating shaft 31, and an outer ring of the dustproof bearing 33 is fixedly connected with the inner side wall of the mounting hole 16. The sealing performance of the dustproof bearing 33 is good, so that air leakage cannot occur in the working process of the valve body 1, and the sealing performance of the valve body 1 is good under the condition that the valve plate 2 is closed, namely the air channel is closed. And the arrangement of the dustproof bearing 33 can reduce the abrasion between the rotating shaft 31 and the inner side wall of the mounting hole 16 in the rotating process, and simultaneously prevent the rotating shaft 31 from deviating in the rotating process, thereby ensuring the normal opening and closing of the valve plate 2.

The edge of valve plate 2 glues and is equipped with sealing washer 21, and sealing washer 21 is the annular structure of being made by elastic material, and when valve plate 2 was closed, sealing washer 21 pasted tightly with the inside wall of cavity 13, became flexible contact by rigid contact between the edge of valve plate 2 and the cavity 13 inner wall, and sealing performance reinforcing when valve plate 2 was closed.

One end of the rotating shaft 31 extends out of the valve body 1 from the mounting hole 16, and the rotating shaft 31 is connected with a butt plate 32, the butt plate 32 and the valve plate 2 are located on the same plane, that is, the rotating direction of the butt plate 32 is the same as the rotating direction of the valve plate 2. Pivot 31 and butt plate 32 integrated into one piece set up to structural strength between butt plate 32 and the pivot 31 is big, and valve plate 2 and pivot 31 integrated into one piece set up, can not have the error between the turned angle of 2 pivoted angles of valve plate and butt plate 32.

Referring to fig. 1 and 3, a sliding groove 15 is formed in one side of the outer side wall of the valve body 1, where the abutting plate 32 is disposed, and the arrangement direction of the sliding groove 15 is the same as the length direction of the valve body 1. The adjusting assembly 4 includes an adjusting block 41 slidably disposed in the sliding slot 15, an elastic member 42 is disposed at one end of the adjusting block 41 close to the abutting plate 32, and the elastic member 42 abuts against one side of the abutting plate 32. Thereby when valve plate 2 is opened, overturn along pivot 31 under the effect of the interior wind-force of valve body 1, butt joint board 32 also rotates thereupon simultaneously, and butt joint board 32 compresses elastic component 42 among the upset process, and the opening angle of valve plate 2 reaches the maximum value when elastic component 42 is compressed to furthest can not continue the compression promptly. The distance between the elastic member 42 and the abutting plate 32 can be changed by sliding the adjusting block 41 in the sliding slot 15, that is, the rotation angle of the abutting plate 32 can be changed accordingly, so that the opening angle of the valve plate 2 can be set to a plurality of gears.

The elastic member 42 includes a spring 421 and an elastic block 422 disposed at an end of the spring 421 near the abutting plate 32. The spring 421 is used, so that the cost is low, the structure is simple, the elastic block 422 is a rubber square structure, and the elastic block 422 is abutted against the surface of the abutting plate 32 when in use, so that the surface of the abutting plate 32 can be protected from being damaged under the action of the spring 421.

The inner side wall of the sliding groove 15 is provided with an expansion link 43 for driving the adjusting block 41 to slide in the sliding groove 15, and the free end of the output shaft of the expansion link 43 is fixedly connected with the adjusting block 41. Under the effect of telescopic link 43 output shaft regulating block 41 can slide in spout 15, and is simple convenient. And the flexible length of telescopic link 43 output shaft is steerable at optional position to regulating block 41 also can stop a plurality of positions in spout 15, and the turned angle of valve plate 2 can have a plurality of adjustment gear promptly.

Referring to fig. 3 and 4, when the valve is used, the telescopic rod 43 can be externally connected with a controller for control, the controller can remotely control the telescopic length of the output shaft of the telescopic rod 43, and when the telescopic length of the telescopic rod 43 is a first length and the valve plate 2 rotates to a maximum rotatable angle, the air volume which can pass through the valve body 1 is a first air volume; when the flexible length of telescopic link 43 is the second length, when valve plate 2 rotated the biggest rotatable angle, the amount of wind that can supply to pass through in the valve body 1 was the second amount of wind, and so on, the amount of wind that can pass through in the valve body 1 can set up a plurality of gears.

The two end faces of the adjusting block 41, which are abutted against the side walls of the sliding groove 15, are provided with sliding strips 411 in an integrated forming manner, two opposite side walls of the sliding groove 15 are provided with guide grooves 151 for the sliding strips 411 to slide, and the length direction of the guide grooves 151 is the same as that of the sliding groove 15. When the adjusting block 41 slides in the sliding slot 15, the sliding strip 411 slides in the guide slot 151, and the arrangement of the sliding strip 411 can reduce the friction force generated when the adjusting block 41 slides in the sliding slot 15, and meanwhile, the adjusting block 41 is more stable in the sliding process.

The implementation principle of the multifunctional fixed air volume valve in the embodiment of the application is as follows: when the telescopic length of the telescopic rod 43 reaches the first length, the valve plate 2 rotates to the maximum rotatable angle along the rotating shaft 31, at the moment, the abutting plate 32 abuts against the elastic block 422 to compress the spring 421 to the maximum compression limit, and the air volume which can pass through the valve body 1 is the first air volume; when the telescopic length of the telescopic rod 43 is controlled to reach the second length, the adjusting block 41 slides in the chute 15 at the moment, the positions of the corresponding spring 421 and the elastic block 422 are also changed, when the valve plate 2 rotates to the maximum rotatable angle, the abutting plate 32 abuts against the elastic block 422 to compress the spring 421 to the maximum compressible limit, and the air quantity which can pass through the valve body 1 is the second air quantity; the position at regulating block 41 place is different, so the position of butt also is different between butt plate 32 and the elastic block 422, and the turned angle of valve plate 2 is different in twice regulation process, analogizes in this way, and the turned angle of valve plate 2 has a plurality of regulation gears, and the amount of wind that passes through in the valve body 1 also has a plurality of gears correspondingly to the suitability of multi-functional air quantity valve is wider, can adjust according to the in-service use condition.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a multi-functional air quantity valve that decides, includes valve body (1), the one end of valve body (1) is air intake (11), the other end of valve body (1) is air outlet (12), valve body (1) inside cavity (13) that form the air feed and pass through, be provided with valve plate (2), its characterized in that in cavity (13): the valve plate (2) is rotatably arranged in the cavity (13) through a mounting assembly (3); installation component (3) including set up in pivot (31) on valve plate (2) axis, pivot (31) both ends rotate connect in on the valve body (1), the one end of pivot (31) is connected with butt plate (32), butt plate (32) are located on the lateral wall of valve body (1), still be provided with on the lateral wall of valve body (1) and prescribe a limit to butt plate (32) turned angle's adjusting part (4), adjusting part (4) are in position on the lateral wall of valve body (1) can be adjusted, on cavity (13) inside wall one side of valve plate (2) is provided with stopper (14) that are used for prescribing a limit to valve plate (2) direction of rotation.

2. The multifunctional fixed air volume valve according to claim 1, characterized in that: seted up spout (15) on the lateral wall of valve body (1), the direction that sets up of spout (15) with the length direction of valve body (1) is the same, adjusting part (4) including slide set up in regulating block (41) in spout (15), the one end of regulating block (41) is provided with elastic component (42), elastic component (42) with one side looks butt of butt joint board (32).

3. The multifunctional fixed air volume valve according to claim 2, characterized in that: the inner side wall of the sliding groove (15) is provided with a telescopic rod (43) used for driving the adjusting block (41) to slide in the sliding groove (15), and the free end of an output shaft of the telescopic rod (43) is fixedly connected with the adjusting block (41).

4. The multifunctional fixed air volume valve according to claim 2, characterized in that: the elastic piece (42) comprises a spring (421) and an elastic block (422) arranged on the spring (421), the spring (421) is arranged at one end, close to the abutting plate (32), of the adjusting block (41), and one end, far away from the spring (421), of the elastic block (422) is abutted to the abutting plate (32).

5. The multifunctional fixed air volume valve according to claim 2, characterized in that: regulating block (41) both ends are provided with draw runner (411), all seted up the confession on two lateral walls that spout (15) are relative draw runner (151) that draw runner (411) are gliding.

6. The multifunctional fixed air volume valve according to claim 1, characterized in that: the abutting plate (32) and the rotating shaft (31) are integrally formed.

7. The multifunctional fixed air volume valve of claim 1, wherein: and a sealing ring (21) is arranged at the edge of the valve plate (2).

8. The multifunctional fixed air volume valve of claim 7, wherein: the valve body (1) is provided with a mounting hole (16) for the rotating shaft (31) to penetrate out, and a dustproof bearing (33) is arranged between the mounting hole (16) and the rotating shaft (31).

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