CN219774913U - Dynamic regulating valve - Google Patents

Abstract

The utility model discloses a dynamic regulating valve, which comprises: the valve body is provided with an inlet cavity and an assembly cavity, an inner valve body is arranged in the assembly cavity, and the inner valve body defines an installation cavity and an outlet cavity; the flow balance assembly comprises an adjusting cylinder and an adjusting piece, the adjusting cylinder is movably arranged in the mounting cavity and is limited with the inner peripheral wall of the mounting cavity to form an adjusting cavity, a flow channel cavity which is respectively communicated with the inlet cavity and the outlet cavity is formed in the adjusting cylinder, the adjusting piece is sleeved outside the adjusting cylinder, the adjusting piece divides the adjusting cavity into a first cavity and a second cavity, the first cavity is communicated with the flow channel cavity, and the second cavity is communicated with the outlet cavity; the flow regulating assembly comprises a fixing part and a regulating piece, the fixing part and the inner valve body are integrally formed and are provided with communication holes communicated between the outlet cavity and the flow channel cavity, the regulating piece is movably matched with the fixing part, and the regulating piece is used for regulating the overflow area of the communication holes. Therefore, the assembly difficulty of the dynamic adjusting valve can be reduced.

Description

Dynamic regulating valve

Technical Field

The utility model relates to the technical field of valves, in particular to a dynamic regulating valve.

Background

In the related art, the dynamic regulating valve can automatically eliminate the hydraulic imbalance phenomenon caused by pressure or other reasons in the system, and a user only needs to set the required flow, so that the dynamic regulating valve can keep the flow, thereby effectively improving the energy efficiency of the system and ensuring the running economy. However, since the dynamic adjusting valve has a complex structure, the dynamic adjusting valve needs more machining and assembling, and can bring more economic burden to production and maintenance, and there is room for improvement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, one purpose of the utility model is to provide a dynamic regulating valve which has the advantages of less parts and low assembly difficulty, and is beneficial to saving cost.

According to an embodiment of the utility model, a dynamic adjustment valve includes: the valve body is provided with an inlet cavity and an assembly cavity, an inner valve body is arranged in the assembly cavity, and the inner valve body defines an installation cavity and an outlet cavity; the flow balance assembly comprises an adjusting cylinder and an adjusting piece, the adjusting cylinder is movably arranged in the mounting cavity and is limited with the inner peripheral wall of the mounting cavity to form an adjusting cavity, a flow channel cavity which is respectively communicated with the inlet cavity and the outlet cavity is formed in the adjusting cylinder, the adjusting piece is sleeved outside the adjusting cylinder, the adjusting piece divides the adjusting cavity into a first cavity and a second cavity, the first cavity is communicated with the flow channel cavity, and the second cavity is communicated with the outlet cavity; the flow regulating assembly comprises a fixing part and a regulating piece, wherein the fixing part and the inner valve body are integrally formed and are formed with communication holes communicated between the outlet cavity and the flow channel cavity, the regulating piece is movably matched with the fixing part, and the regulating piece is used for regulating the flow area of the communication holes.

According to the dynamic regulating valve provided by the embodiment of the utility model, the fixed part and the inner valve body are integrally formed, so that the number of parts of the dynamic regulating valve can be reduced, the assembly difficulty is reduced, and the cost is saved.

According to some embodiments of the utility model, the fixed portion is a preformed piece.

According to the dynamic adjusting valve of some embodiments of the present utility model, the outer peripheral wall of the fixing portion is provided with a limiting protrusion protruding outwards.

According to some embodiments of the utility model, the limit bump is configured in a ring shape.

According to some embodiments of the utility model, the dynamic adjustment valve is configured to be rotatable relative to the fixed portion.

According to the dynamic adjusting valve of some embodiments of the present utility model, the communication hole is configured in a sector shape.

According to the dynamic adjustment valve of some embodiments of the present utility model, the communication holes are plural, and the plural communication holes are arranged at intervals along the circumferential direction of the fixed portion.

According to some embodiments of the utility model, the dynamic regulator valve further comprises a driving member adapted to penetrate the peripheral wall of the valve body from the outside and to be in dynamic connection with the regulator member.

According to the dynamic adjustment valve of some embodiments of the present utility model, the driving member is configured as a driving shaft, the valve body includes a main body portion and a cover portion detachably mounted on the main body portion, the cover portion is formed with a mounting hole penetrating in a thickness direction, and the driving shaft is rotatably penetrated in the mounting hole.

According to the dynamic adjusting valve of some embodiments of the present utility model, a mounting groove is formed in a portion of the outer peripheral wall of the driving shaft corresponding to the mounting hole, and a sealing ring is installed in the mounting groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a cross-sectional view of a dynamic adjustment valve according to an embodiment of the present utility model;

FIG. 2 is a schematic installation view of a flow regulating assembly according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an inner valve body according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of an inner valve body according to another embodiment of the present utility model.

Reference numerals:

the dynamic-adjustment valve 100 is configured such that,

the valve body 1, the main body 1a, the cover body 1b, the inlet chamber 11, the installation chamber 12, the outlet chamber 13, the adjusting chamber 14, the first chamber 141, the second chamber 142, the inflow gap 15, the installation hole 16,

the flow balance component 2, the adjusting cylinder 21, the flow channel cavity 211, the adjusting piece 22,

the flow regulating assembly 3, the driving shaft 31, the regulating piece 32, the avoiding hole 321, the fixing part 33, the communication hole 331, the limiting boss 332, the inner valve body 4 and the sealing ring 5.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, a dynamic adjustment valve 100 according to an embodiment of the present utility model is described with reference to the accompanying drawings.

As shown in fig. 1 to 4, a dynamic adjustment valve 100 according to an embodiment of the present utility model includes: the valve body 1, the flow balance assembly 2 and the flow regulation assembly 3, wherein the valve body 1 is provided with an inlet cavity 11 and an assembly cavity, an inner valve body 41 is arranged in the assembly cavity, and the inner valve body 41 defines an installation cavity 12 and an outlet cavity 13; the flow balance assembly 2 comprises an adjusting cylinder 21 and an adjusting piece 22, wherein the adjusting cylinder 21 is movably arranged in the mounting cavity 12 and is limited with the inner peripheral wall of the mounting cavity 12 to form an adjusting cavity 14, a flow channel cavity 211 which is respectively communicated with the inlet cavity 11 and the outlet cavity 13 is formed in the adjusting cylinder 21, the adjusting piece 22 is sleeved outside the adjusting cylinder 21, the adjusting piece 22 divides the adjusting cavity 14 into a first cavity 141 and a second cavity 142, the first cavity 141 is communicated with the flow channel cavity 211, and the second cavity 142 is communicated with the outlet cavity 13; the flow regulating assembly 3 includes a fixing portion 33 and an adjusting member 32, the fixing portion 33 and the inner valve body 41 are integrally formed and formed with a communication hole 331 communicating between the outlet chamber 13 and the flow passage chamber 211, the adjusting member 32 is movably engaged with the fixing portion 33, and the adjusting member 32 is used for adjusting the flow area of the communication hole 331.

Therefore, the number of parts of the dynamic adjusting valve 100 can be reduced, the structural complexity can be reduced, the assembly difficulty can be reduced, and the cost can be saved.

For example, referring to fig. 1 to 3, the dynamic adjustment valve 100 includes a valve body 1, the valve body 1 is formed with an inlet chamber 11 and an assembly chamber, an inner valve body 41 is installed in the assembly chamber, the inner valve body 41 may divide the assembly chamber into an installation chamber 12 and an outlet chamber 13, the inlet chamber 11, the installation chamber 12 and the outlet chamber 13 are sequentially communicated, and the inlet chamber 11 and the outlet chamber 13 are respectively communicated with external pipes so that a working fluid (typically water) may flow into the valve body 1 from the inlet chamber 11 and flow out of the outlet chamber 13 to the outside of the valve body 1.

The dynamic regulating valve 100 further comprises a flow balancing assembly 2, the flow balancing assembly 2 comprises a regulating cylinder 21, the regulating cylinder 21 is movably arranged in the mounting cavity 12, part of the outer peripheral wall of the regulating cylinder 21 is spaced from the inner peripheral wall of the mounting cavity 12, and the regulating cylinder 21 and the inner peripheral wall of the mounting cavity 12 can jointly define the regulating cavity 14. The regulating cylinder 21 defines a flow passage chamber 211 therein, and both ends of the flow passage chamber 211 are respectively communicated with the inlet chamber 11 and the outlet chamber 13, so that the working fluid in the inlet chamber 11 can flow into the outlet chamber 13 through the flow passage chamber 211. It should be noted that, the flow area between the outlet chamber 13 and the flow channel chamber 211 is adjustable, and the preset flow of the dynamic adjustment valve 100, that is, the flow in the outlet chamber 13, can be adjusted by adjusting the flow area between the outlet chamber 13 and the flow channel chamber 211.

Meanwhile, an inflow gap 15 may be formed between the end of the adjusting cylinder 21 and the valve body 1, the inflow gap 15 is communicated between the inlet chamber 11 and the flow channel chamber 211, and when the adjusting cylinder 21 moves relative to the valve body 1, the flow area of the inflow gap 15 will be changed accordingly to adjust the flow rate and pressure in the flow channel chamber 211. The flow balance assembly 2 further comprises a regulating piece 22, the regulating piece 22 is sleeved and connected to the outer side of the regulating cylinder 21, the regulating piece 22 divides the regulating cavity 14 into a first cavity 141 and a second cavity 142 with variable volumes, the first cavity 141 is located at one side of the regulating piece 32, which is away from the inflow gap 15, and is communicated with the flow channel cavity 211, so that pressure in the first cavity 141 can push the regulating piece 22 to move towards the direction of reducing the inflow gap 15, the second cavity 142 is located at one side of the regulating piece 32, which is close to the inflow gap 15, and is communicated with the outlet cavity 13, and pressure in the second cavity 142 can push the regulating piece 22 to move towards the direction of increasing the inflow gap 15.

Specifically, when the flow rate in the inlet chamber 11 is equal to the preset flow rate, the flow rates of the flow channel chamber 211 and the outlet chamber 13 are equal, and the pressure difference between the flow channel chamber 211 and the outlet chamber 13 is zero; when the flow in the inlet cavity 11 increases, the flow flowing into the flow channel cavity 211 correspondingly increases, the pressure in the flow channel cavity 211 is larger than the pressure in the outlet cavity 13 due to the limitation of the overflow area, a pressure difference is formed between the first cavity 141 and the second cavity 142, the pressure in the first cavity 141 can push the regulating piece 22 to drive the regulating cylinder 21 to move downwards along the axial direction of the regulating piece so as to reduce the inflow gap 15, the flow flowing into the flow channel cavity 211 from the inlet cavity 11 can be reduced, the pressure in the flow channel cavity 211 can be reduced, the pressure difference is regulated, and the flow in the outlet cavity 13 is further constant; when the flow in the inlet chamber 11 is reduced, the flow flowing into the flow channel chamber 211 is correspondingly reduced, the pressure in the flow channel chamber 211 is smaller than the pressure in the outlet chamber 13, a pressure difference is formed between the first chamber 141 and the second chamber 142, the pressure in the second chamber 142 can push the regulating plate 22 to drive the regulating cylinder 21 to move upwards along the axial direction of the regulating plate so as to increase the inflow gap 15, the flow of the inlet chamber 11 into the flow channel chamber 211 can be increased, the pressure in the flow channel chamber 211 can be increased, the pressure difference is regulated, and then the flow in the outlet chamber 13 is constant.

The dynamic adjusting valve 100 is further provided with a flow adjusting component 3, the flow adjusting component 3 includes a fixing portion 33 and an adjusting member 32, the fixing portion 33 and the inner valve body 41 are integrally formed, for example, the fixing portion 33 and the inner valve body 41 can be cast or injection molded, the fixing portion 33 separates the outlet chamber 13 from the flow channel chamber 211, and the fixing portion 33 is provided with a communication hole 331 penetrating along the thickness direction, and the communication hole 331 is used for communicating the flow channel chamber 211 with the outlet chamber 13.

The regulating element 32 is installed and is equipped with on the regulating element 32 and dodges the hole 321 towards one side of export chamber 13 and with fixed part 33 movable fit, dodges the hole 321 and match the setting with the intercommunicating pore 331, when dodging the hole 321 and the intercommunicating pore 331 appear the coincidence, dodges the hole 321 and can communicate intercommunicating pore 331 and export chamber 13 for the working fluid can flow into in the export chamber 13 from runner chamber 211. In this way, the overlapping area of the avoidance hole 321 and the communication hole 331 can be adjusted to adjust the flow area between the flow channel cavity 211 and the outlet cavity 13, so as to adjust the preset flow of the dynamic adjusting valve 100. Through the arrangement, the structural complexity of the dynamic adjusting valve 100 is reduced, the assembly difficulty is reduced, and the processing cost is saved.

According to the dynamic adjusting valve 100 of the embodiment of the utility model, the fixed part 33 and the inner valve body 41 are integrally formed, so that the number of parts of the dynamic adjusting valve 100 can be reduced, the assembly difficulty is reduced, and the cost is saved.

In some embodiments of the present utility model, as shown in fig. 4, the fixing portion 33 may be provided as a pre-work piece. In a specific machining process, the fixing portion 33 may be preformed first, and then the fixing portion 33 and the inner valve body 41 may be cast as one body. With the above arrangement, the processing difficulty of the inner valve body 41 can be reduced, and the processing accuracy of the fixing portion 33 can be improved, and the overall performance of the dynamic adjustment valve 100 can be improved.

The fixing portion 33 and the inner valve body 41 may be made of the same material or may be made of different materials, and the present utility model is not limited thereto.

In some embodiments of the present utility model, the outer peripheral wall of the fixing portion 33 is provided with a stopper protrusion 332 protruding outward. For example, referring to fig. 4, a limiting protrusion 332 may be provided on an outer circumferential wall of the fixing portion 33, the limiting protrusion 332 may be protruded outwardly in a radial direction of the fixing portion 33, and when the fixing portion 33 is cast integrally with the inner valve body 41, the limiting protrusion 332 may be in contact engagement with the inner valve body 41 to increase a contact area between the fixing portion 33 and the inner valve body 41, and the fixing portion 33 may be limited with the inner valve body 41 by the limiting protrusion 332. This can improve the mounting stability between the fixing portion 33 and the inner valve body 41.

In some embodiments of the present utility model, the stop protrusion 332 may be configured in a ring shape. Through the above arrangement, the limiting effect of the limiting protrusion 332 can be improved, the mounting stability between the fixing portion 33 and the inner valve body 41 is improved, and the structural complexity of the fixing portion 33 can be reduced, which is beneficial to reducing the processing difficulty.

Of course, the plurality of the stopper protrusions 332 may be provided, and the plurality of stopper protrusions 332 may be uniformly spaced apart from each other in the circumferential direction of the fixing portion 33, or may be unevenly spaced apart from each other, which is not limited in the present utility model. Therefore, the method is beneficial to meeting different working conditions.

In some embodiments of the present utility model, as shown in fig. 2, the adjustment member 32 may be configured to be rotatable with respect to the fixed portion 33. Thus, the flow passage surface between the flow passage chamber 211 and the outlet chamber 13 can be adjusted by rotating the adjusting member 32 to adjust the overlapping area of the escape hole 321 and the communication hole 331. Thus, the movement amplitude of the regulating member 32 can be reduced, which is advantageous for improving the regulating smoothness of the flow passage area.

In some embodiments of the present utility model, the communication hole 331 is configured in a sector shape. For example, referring to fig. 2 to 3, the communication hole 331 may be configured as a sector, the communication hole 331 is arranged around the rotation axis of the adjuster 32, and the escape hole 321 may be also configured as a sector. In this way, when the adjuster 32 rotates relative to the fixed portion 33, the overlapping area between the escape hole 321 and the communication hole 331 changes linearly. Therefore, accurate adjustment of the preset flow is facilitated.

In some embodiments of the present utility model, the communication holes 331 are plural, and the plural communication holes 331 are arranged at intervals in the circumferential direction of the fixed portion 33. For example, as shown in fig. 2, a plurality of communication holes 331 may be provided, the plurality of communication holes 331 being arranged at intervals in the circumferential direction of the fixed portion 33, and correspondingly, a plurality of escape holes 321 may be provided, the plurality of escape holes 321 being arranged at intervals in the circumferential direction of the adjuster 32. The plurality of avoidance holes 321 and the plurality of communication holes 331 are arranged in a one-to-one correspondence, when the adjusting piece 32 rotates relative to the fixing piece, the overlapping area of each communication hole 331 and the corresponding avoidance hole 321 can be synchronously adjusted, and then the preset flow is accurately adjusted.

By the above arrangement, the working fluid can uniformly flow into the outlet chamber 13, the flow stability of the working fluid is improved, and the size of the single communication hole 331 can be reduced, which is advantageous in improving the structural strength of the fixing portion 33.

In some embodiments of the utility model, the flow regulating assembly 3 further comprises a driving member adapted to penetrate the peripheral wall of the valve body 1 from the outside and to be in dynamic connection with the regulating member 32. For example, referring to fig. 1-2, the flow regulating assembly 3 further includes a driving member that may extend from the outside of the valve body 1 through the peripheral wall of the valve body 1 to extend into the outlet chamber 13, and one end of the driving member extending into the outlet chamber 13 is configured to be in power connection with the regulating member 32, such that the driving member may drive the regulating member 32 to move relative to the fixed portion 33. Specifically, the driving member may be electrically driven or manually driven, and the present utility model is not limited to this.

Through the arrangement, the occupation of the driving part to the space in the valve body 1 can be reduced, the utilization rate of the space in the valve body 1 can be improved, and the whole size of the valve body 1 is reduced.

In some embodiments of the present utility model, the driving member is configured as a driving shaft 31, the valve body 1 includes a main body portion 1a and a cover portion 1b, the cover portion 1b is detachably mounted on the main body portion 1a, the cover portion 1b is formed with a mounting hole 16 penetrating in a thickness direction, and the driving shaft 31 is rotatably penetrated into the mounting hole 16.

For example, referring to fig. 1 to 2, the valve body 1 includes a main body portion 1a and a cover body portion 1b, the main body portion 1a is formed with a mounting opening, the cover body portion 1b is disposed in matching relation to the mounting opening, and the cover body portion 1b is for being detachably mounted on the main body portion 1a to selectively close the mounting opening. The driving member is configured as a driving shaft 31, a mounting hole 16 is formed in the cover body 1b, the mounting hole 16 penetrates the cover body 1b in the thickness direction, the diameter of the mounting hole 16 is equal to that of the driving shaft 31, and the driving shaft 31 may be inserted into the mounting hole 16 to extend into the outlet chamber 13 so as to be connected to the regulating member 32.

Through the arrangement, the structural complexity of the valve body 1 can be reduced, the processing difficulty of the valve body 1 is reduced, the driving shaft 31 can be synchronously disassembled and assembled along with the cover body 1b, the disassembly and assembly difficulty of the driving shaft 31 is reduced, and the practicability of the dynamic regulating valve 100 is improved.

In some embodiments of the present utility model, as shown in fig. 2, a mounting groove may be formed at a portion of the outer circumferential wall of the driving shaft 31 corresponding to the mounting hole 16, the mounting groove being arranged to extend in the circumferential direction of the driving shaft 31, a seal ring 5 being mounted in the mounting groove, the seal ring 5 being made of an elastic material such as rubber, and an outer side of the seal ring 5 may be abutted against an inner circumferential wall of the mounting hole 16. Thereby, the gap between the drive shaft 31 and the mounting hole 16 can be sealed, and the reliability of the dynamic adjustment valve 100 is improved.

Further, as shown in fig. 2, there may be a plurality of mounting grooves, which are arranged at intervals in the axial direction of the drive shaft 31, each of which has the seal ring 5 mounted therein. With the above arrangement, multiple seals can be realized, improving the reliability of the dynamic adjustment valve 100.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A dynamic regulator valve (100), characterized by comprising:

the valve comprises a valve body (1), wherein the valve body (1) is provided with an inlet cavity (11) and an assembly cavity, an inner valve body (41) is arranged in the assembly cavity, and the inner valve body (41) defines an installation cavity (12) and an outlet cavity (13);

the flow balance assembly (2), the flow balance assembly (2) comprises a regulating cylinder (21) and a regulating piece (22), the regulating cylinder (21) is movably arranged in the installation cavity (12) and is limited with the inner peripheral wall of the installation cavity (12) to form a regulating cavity (14), a runner cavity (211) which is respectively communicated with the inlet cavity (11) and the outlet cavity (13) is formed in the regulating cylinder (21), the regulating piece (22) is sleeved outside the regulating cylinder (21), the regulating piece (22) divides the regulating cavity (14) into a first cavity (141) and a second cavity (142), the first cavity (141) is communicated with the runner cavity (211), and the second cavity (142) is communicated with the outlet cavity (13);

flow regulation subassembly (3), flow regulation subassembly (3) include fixed part (33) and regulating part (32), fixed part (33) with interior valve body (41) are integrated into one piece and are formed with intercommunication in export chamber (13) with communication hole (331) between runner chamber (211), regulating part (32) with fixed part (33) movably cooperates, regulating part (32) are used for adjusting the overflow area of communication hole (331).

2. The dynamic adjustment valve (100) according to claim 1, characterized in that the fixing portion (33) is a pre-machined piece.

3. The dynamic adjustment valve (100) according to claim 2, characterized in that the outer peripheral wall of the fixing portion (33) is provided with an outwardly protruding stop protrusion (332).

4. A dynamic adjustment valve (100) according to claim 3, characterized in that the limit projection (332) is configured in a ring shape.

5. The dynamic adjustment valve (100) according to claim 1, characterized in that the adjustment member (32) is configured to be rotatable with respect to the fixed portion (33).

6. The dynamic adjustment valve (100) according to claim 5, characterized in that the communication hole (331) is configured as a sector.

7. The dynamic adjustment valve (100) according to claim 5, characterized in that the communication holes (331) are plural, and the plural communication holes (331) are arranged at intervals along the circumferential direction of the fixed portion (33).

8. Dynamic adjustment valve (100) according to any one of claims 1-7, characterized in that the flow adjustment assembly (3) further comprises a driving member adapted to penetrate the peripheral wall of the valve body (1) from the outside and to be in dynamic connection with the adjustment member (32).

9. The dynamic adjustment valve (100) according to claim 8, wherein the driving member is configured as a driving shaft (31), the valve body (1) includes a main body portion (1 a) and a cover body portion (1 b), the cover body portion (1 b) is detachably mounted on the main body portion (1 a), the cover body portion (1 b) is formed with a mounting hole (16) penetrating in a thickness direction, and the driving shaft (31) is rotatably penetrated in the mounting hole (16).

10. The dynamic adjustment valve (100) according to claim 9, characterized in that a mounting groove is formed in a portion of the outer peripheral wall of the drive shaft (31) corresponding to the mounting hole (16), and a seal ring (5) is mounted in the mounting groove.