CN219606078U - Regulating valve - Google Patents

Abstract

The utility model provides a regulating valve, which comprises a flow port and a flow blocking assembly, wherein the flow port is used for flowing out a medium, the flow blocking assembly is arranged corresponding to the flow port and is used for regulating the flow area of the flow port, the flow blocking assembly comprises two or more flow blocking pieces, and a regulating port is formed between the flow blocking pieces; the circulation direction of the circulation port is a valve flow direction, in the valve flow direction, the projection of the circulation port and the projection of the adjusting port are both symmetrical, and the geometric center of the projection of the adjusting port is aligned with the geometric center of the projection of the circulation port. In this governing valve, linkage subassembly can drive the choked flow piece and change the regulation mouth bore size, in the flow direction of governing valve, the geometric center of regulation mouth aligns with the geometric center of circulation mouth, makes the medium in the pipeline can pass through the governing valve in the middle, avoids the governing valve to wear out because of the medium drift in the pipeline, and the problem that needs frequent change appears, reduces the change frequency, increases the durability of governing valve.

Description

Regulating valve

Technical Field

The utility model belongs to the technical field of valve equipment, and particularly relates to a regulating valve.

Background

With the rapid development of industry, a pipe network system is gradually enlarged and complicated, one pipe network system often comprises dozens or even hundreds of branch points, the parallel branches of the pipe network are numerous, the pipeline structure is complex, and the pipe network system has the characteristics of discrete, multivariable, large time lag and time-varying fluctuation, so that the problem that the pressure distribution is uneven due to unbalanced resistance of each branch pipe of a plurality of pipe network systems at present is caused: the partial branch pipes have small pressure, so that impurities in the medium are settled to block the pipeline; partial branch pressure distribution is excessive, and the pipeline is easy to be excessively worn.

The resistance balancer, the gate valve and the butterfly valve are used in engineering to solve the problems, the resistance balancer has good wear resistance, the pressure balance of a pipe network can be well realized in the design and debugging stage, but the resistance balancer has no adjustability, once the system resistance changes, such as pipeline blockage, pipe bending wear and the like, the resistance balancer cannot ensure the pressure balance of the system, and only a new resistance balancer can be replaced, so that inconvenience is brought to the use of the resistance balancer by the pipe network. The problems of adjustability can be solved by using the gate valve and the butterfly valve, but in the actual operation process, the gate valve and the butterfly valve are easy to bias the medium in the pipeline, so that the abrasion of the valve body is accelerated.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a regulating valve for solving the problem that the valve body is worn due to bias current of the regulating valve in the prior art.

To achieve the above and other related objects, the present utility model provides a regulating valve, including a flow port and a choke assembly, where the flow port is used for flowing out a medium, the choke assembly is disposed corresponding to the flow port, the choke assembly is used for adjusting a flow area of the flow port, the choke assembly includes two or more chokes, and a regulating port is formed between the chokes; the flow-resistant piece is arranged in a relative motion mode, the motion track of the flow-resistant piece is intersected with the flow direction of the flow port, the flow direction of the flow port is a valve flow direction, the flow direction of the adjusting port is identical to the valve flow direction, the projection of the flow port and the projection of the adjusting port are both symmetrical in shape in the valve flow direction, and the geometric center of the projection of the adjusting port is aligned with the geometric center of the projection of the flow port. .

Optionally, the regulating valve further comprises a linkage assembly, the linkage assembly is respectively connected with each flow blocking piece, and the linkage assembly is used for adjusting the caliber of the regulating port by driving the flow blocking pieces.

Optionally, the linkage assembly includes a fixing part and a driving part, the driving part drives each of the flow blocking parts, the fixing part and the driving part jointly restrict the motion track of the flow blocking parts, the motion track of each flow blocking part is arranged symmetrically about the geometric center of the projection of the regulating port in the valve flow direction, and when the driving part drives each flow blocking part, each flow blocking part gathers together or gets away from at the same time.

Optionally, the linkage assembly further includes a connecting piece corresponding to the flow blocking piece, the connecting piece is connected with the driving piece, the fixing piece and the corresponding flow blocking piece, the driving piece drives each flow blocking piece through each connecting piece, and the fixing piece is used for restraining the motion track of the flow blocking piece.

Optionally, the driving member is a movable valve disc, the movable valve disc is rotationally arranged around the circulation direction of the circulation port, the rotation axis of the movable valve disc passes through the geometric center of the projection of the circulation port in the valve flow direction, and the movable valve disc rotationally drives each flow blocking member.

Optionally, a guide groove is formed in the movable valve disc, a sliding part is arranged on the flow blocking piece, the sliding part slides in the guide groove, the movable valve disc constrains the motion track of the flow blocking piece through the guide groove and the sliding part, the number of the guide grooves corresponds to the number of the flow blocking pieces, and the guide grooves are arranged around the geometric center of the projection of the flow opening in the valve flow direction in a central symmetry mode.

Optionally, the fixing piece is a fixed valve disc, the flow opening is formed on the fixed valve disc, the connecting piece is respectively connected with the flow blocking piece and the fixed valve disc in a rotating way, and the fixed valve disc constrains the motion track of the flow blocking piece through the connecting piece.

Optionally, a valve casing is arranged on the regulating valve, the valve casing and the fixed valve disc form a protection cavity, the movable valve disc, the connecting piece and the flow blocking piece are all accommodated in the protection cavity, and sealing rings are arranged between the flow blocking piece and the valve casing and between the flow blocking piece and the fixed valve disc.

Optionally, the governing valve still includes adjusting part, adjusting part is including adjusting the pole and setting is in the movable gear on adjusting one end, be provided with the tooth on the movable valve disc, the movable gear with tooth meshing, the movable gear rotates the setting, adjust the pole with movable gear fixed connection, adjust the pole and pass through the movable gear drive movable valve disc rotates.

Optionally, the adjusting component further comprises a protective cover covering the movable gear, a through groove is formed in the protective cover along the movement track of the adjusting rod, and the adjusting rod extends out of the protective cover through the through groove.

As described above, the regulating valve of the utility model has the following beneficial effects: through setting up the flow area of choke subassembly regulation circulation mouth, and make the geometric center of regulation mouth align with the geometric center of circulation mouth, make this governing valve in the use, both the size of accessible regulation mouth, the resistance level of the pipeline that the governing valve is located to the medium to this guarantees each pipeline pressure reasonable distribution, ensures the pressure balance of pipe network system. Meanwhile, the medium in the pipe is prevented from generating bias flow in the adjusting process of the adjusting valve, the problem that the adjusting valve is worn out in the pipeline due to bias flow of the medium and needs to be replaced frequently is avoided, the replacing frequency of the adjusting valve is reduced, and the durability and the practicability of the adjusting valve are improved.

Drawings

FIG. 1 is a schematic illustration of a stationary valve disc, a movable valve disc and a flow blocking assembly according to an embodiment of the present utility model.

Fig. 2 is a schematic side view of a regulating valve according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a regulating valve according to an embodiment of the present utility model.

FIG. 4 is a schematic illustration of one side of a valve disc according to an embodiment of the present utility model.

FIG. 5 is a schematic view of another side of a fixed valve disk according to an embodiment of the present utility model.

FIG. 6 is a schematic illustration of the assembly of one side of a valve disc according to an embodiment of the present utility model.

FIG. 7 is a schematic view showing the assembly of the other side of the fixed valve disc according to the embodiment of the present utility model.

Part number description: 1. an opening indicating plate; 2. an adjusting rod; 3. a movable gear; 4. a fixed valve disc; 5. a pin; 6. a guide groove; 7. a connecting piece; 8. a movable pin; 9. a movable valve disc; 10. a flow blocking member; 11. a seal ring; 12. a protective cover; 13. a valve housing; 14. a bushing.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 7. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

To be able to describe the present utility model in detail, a regulating valve of the present utility model will be described in detail as follows:

fig. 1 is a schematic structural view of a fixed valve disc 4, a movable valve disc 9 and a choke assembly according to an embodiment of the present utility model, fig. 2 is a schematic structural view of a side face of a regulating valve according to an embodiment of the present utility model, fig. 3 is a schematic structural view of a regulating valve according to an embodiment of the present utility model, and referring to fig. 1, fig. 2 and fig. 3, the present utility model provides a regulating valve, which includes a flow port and a choke assembly, the flow port is used for medium outflow, the choke assembly is arranged corresponding to the flow port and is used for adjusting a flow area of the flow port, the choke assembly includes chokes 10, the chokes 10 are two or more, and a regulating port is formed between the chokes 10; the flow-blocking piece 10 is arranged in a relative motion mode, a motion track of the flow-blocking piece 10 is intersected with the flow direction of the flow port, the flow direction of the flow port is a valve flow direction, the flow direction of the adjusting port is identical to the valve flow direction, the projection of the flow port and the projection of the adjusting port are both symmetrical in shape in the valve flow direction, and the geometric center of the projection of the adjusting port is aligned with the geometric center of the projection of the flow port. In this embodiment, this governing valve is arranged in the dust removal pipe network, when solving each branch pipe dust absorption point of dust pelletizing system because of the resistance unbalance, appears the uneven problem of amount of wind distribution, also can solve the dust when the drift passes through in the pipeline, excessively wearing and tearing the problem of pipeline. In a dust removal pipe network, partial dust collection points are small in air quantity, dust sources cannot be effectively controlled, meanwhile, the small air quantity of a dust collection branch pipe can cause too small air speed in the branch pipe, so that dust is settled and a pipeline is blocked; and when the air quantity of part of dust collection points is excessively distributed, materials can be pumped away, meanwhile, the pipeline is excessively worn, so that dust overflows and leaks, the dust collection effect of the system is affected, and the environmental pollution is aggravated. In other embodiments, the regulator valve may be used in other applications, such as in other gas or liquid transport pipelines.

As shown in fig. 4, in the present embodiment, the choke assembly includes six triangular choke pieces 10 with the same shape, the choke pieces 10 are in a sheet shape, when the six choke pieces 10 close the flow opening, the six choke pieces 10 are tightly combined together in sequence and are connected into a whole to completely shield the flow opening, and the dust facing surface of the choke piece 10 is made of wear-resistant material, such as wear-resistant steel plate, wear-resistant ceramic, etc. In other embodiments, the number of spoilers 10 of the spoilers assembly can be varied to suit the application. When the spoilers 10 are arranged, overlapped parts can exist between the spoilers 10, and the arrangement of the overlapped parts can better distribute the pressure among the spoilers 10. In the case of an overlap between the flow-blocking elements 10, the flow-blocking elements 10 can be two, the overlapping portions of the flow-blocking elements 10 being intended to be coaxial with the flow-through opening in the valve flow direction when the flow-blocking elements 10 are relatively far apart. In other embodiments, the flow blocking member 10 may be in a block shape, and the arrangement of the flow blocking member 10 may be adjusted according to actual circumstances. In this embodiment, the flow opening is hexagonal, the shape of the flow channel surrounded by the flow blocking assembly when the flow opening is opened may be approximately circular, square, regular octagon, etc., the shape formed by the flow opening is related to the number and shape of the flow blocking pieces 10 and the arrangement of the flow blocking pieces 10, and the number, shape and arrangement of the flow blocking pieces 10 can be adjusted according to practical situations.

As shown in fig. 4, 5 and 7, the regulating valve further includes a linkage assembly connected to each of the spoilers 10, respectively, and the linkage assembly adjusts the caliber of the regulating port by driving the spoilers 10. The linkage assembly is arranged on the regulating valve, so that the choked flow pieces 10 can move simultaneously through the driving of the linkage assembly, the symmetrical patterns of the regulating ports formed between the choked flow pieces 10 are ensured, and the medium passing through the regulating valve is ensured not to drift.

In detail, the linkage assembly includes a fixing part and a driving part, the driving part drives each of the chokes 10 respectively, the fixing part and the driving part jointly restrict the motion track of the chokes 10, the motion track of each of the chokes 10 is arranged symmetrically about the geometric center of the projection of the regulating port in the valve flow direction, and when the driving part drives each of the chokes 10, each of the chokes 10 gathers together or moves away from each other simultaneously. The moving track of the flow blocking piece 10 is constrained by the fixing piece and the driving piece together, so that the flow blocking piece 10 cannot slide a preset track when moving, the problem that the regulating function of the regulating valve fails and the like is solved, and the stability and the practicability of the regulating valve in use are ensured.

The linkage assembly further comprises connecting pieces 7 corresponding to the spoilers 10, the connecting pieces 7 are connected with driving pieces and the corresponding spoilers 10, the driving pieces respectively drive the spoilers 10 through the connecting pieces 7, and the fixing pieces are used for restraining the movement track of the spoilers 10. The connecting piece 7 connects each flow blocking piece 10 with the driving piece respectively, so that the driving piece can drive the flow blocking pieces 10 to displace simultaneously, consistency of relative displacement of each flow blocking piece 10 is ensured, and in the valve flow direction, the regulating port is ensured to keep a coaxial state with the circulating port all the time in the regulating process. The regulating valve can adjust the resistance level of the regulating valve to the medium in the pipeline, so that the reasonable pressure distribution of each pipeline is ensured, the pressure balance of a pipe network system is ensured, the problem that the regulating valve is worn in the pipeline due to the bias flow of the medium and needs to be replaced frequently is avoided, and the replacement frequency of the regulating valve is reduced.

The driving element is a movable valve disc 9, the movable valve disc 9 is rotatably arranged around the flow direction of the flow opening, the rotation axis of the movable valve disc 9 passes through the geometric center of the projection of the flow opening in the valve flow direction, and the movable valve disc 9 drives each flow blocking element 10 through rotation. The rotation axis of the movable valve disc 9 passes through the geometric center of the projection of the flow port in the valve flow direction, so that the offset of each flow blocking piece 10 is consistent, and in the valve flow direction, the adjustment port is always kept in a coaxial state with the flow port in the adjustment process, and the medium is ensured to be in a centering state when passing through the adjustment valve. In other embodiments, the driving member may be a connecting rod, and the selection of the driving member may be adjusted according to the actual situation.

Specifically, the movable valve disc 9 is provided with guide grooves 6, the flow blocking piece 10 is provided with a sliding part, the sliding part slides in the guide grooves 6, the movable valve disc 9 constrains the motion track of the flow blocking piece 10 through the guide grooves 6 and the sliding part, the number of the guide grooves 6 corresponds to the number of the flow blocking pieces 10, and the guide grooves 6 are arranged symmetrically around the geometric center of the projection of the flow opening in the valve flow direction. In this embodiment, the flow blocking members 10 are triangular valve plates, when the flow blocking members 10 completely stop the pipeline, the overlapping end points of all the flow blocking members 10 are coincident points, the other two end points of each flow blocking member 10 except the coincident points are sliding points, sliding parts are arranged on the sliding points, the sliding parts are moving pins 8, two moving pins 8 on the same flow blocking member 10 are located in the same guide groove 6 to slide, and one moving pin 8 is rotationally connected with the connecting piece 7 while being rotationally connected with the sliding point of the flow blocking member 10. In some embodiments, the sliding parts are provided on the sliding points on the same spoiler 10, and the two sliding parts can slide in different guide grooves 6, and the setting of the sliding points can be adjusted according to practical situations.

Specifically, the fixed part is a fixed valve disc 4, the flow port is formed on the fixed valve disc 4, the connecting part 7 is respectively connected with the flow blocking part 10 and the fixed valve disc 4 in a rotating way, and the fixed valve disc 4 constrains the motion track of the flow blocking part 10 through the connecting part 7. In this embodiment, the connecting piece 7 is a connecting rod, one end of the connecting rod is rotatably connected with a sliding point on the flow blocking piece 10, the other end of the connecting rod is rotatably connected with the fixed valve disc 4 through a pin 5, and the pin 5 is inserted into a bushing 14 for fastening. In other embodiments, the fixed valve disc 4 may be rotatably connected to the rotating shaft, and the connection manner of the connecting piece 7 and the fixed valve disc 4 may be adjusted according to the actual situation.

Specifically, as shown in fig. 6 and 7, a valve housing 13 is disposed on the adjusting valve, the valve housing 13 and the fixed valve disc 4 form a protection cavity, the movable valve disc 9, the connecting piece 7 and the flow blocking piece 10 are all accommodated in the protection cavity, and a sealing ring 11 is disposed between the flow blocking piece 10 and the valve housing 13 and between the flow blocking piece 10 and the fixed valve disc 4. In this embodiment, this governing valve is arranged in the dust removal pipe network, sets up sealing ring 11 and can prevent effectively that the dust in the pipe network from entering into the governing valve inside, causes the inside operation jam of governing valve even the operation to be obstructed. In other embodiments, the present regulator valve may be used in a liquid or gas transport conduit, and the sealing ring 11 may prevent liquid or gas from entering the regulator valve and eroding components inside the regulator valve. The applicable scenes of the regulating valve are not described in detail here. In this embodiment the valve housing 13 is fixed to the valve fixing disk 4 by means of bolts and nuts, but in other embodiments the connection can also be made by means of glue or other connection pieces 7.

In detail, the regulating valve further comprises a regulating component, the regulating component comprises a regulating rod 2 and a movable gear 3 arranged at one end of the regulating rod 2, a tooth is arranged on the movable valve disc 9, the movable gear 3 is meshed with the tooth, the movable gear 3 is rotatably arranged, the regulating rod 2 is fixedly connected with the movable gear 3, and the regulating rod 2 drives the movable valve disc 9 to rotate through the movable gear 3. In this embodiment, move valve disc 9 through tooth with have and adjust 2 movable gear 3 meshing of pole, the size of the last regulation mouth of regulation governing valve of being convenient for more, and adjust pole 2 can laborsaving when adjusting the governing valve, increased the practicality and the convenience of using of this governing valve. In other embodiments, the movable gear 3 may be meshed with the bar-shaped teeth and drive the movable gear 3 to move, so as to implement the adjusting function of the adjusting valve, and the setting mode of the adjusting component may be adjusted according to the actual situation.

As shown in fig. 1, 2 and 3, in the present embodiment, the adjustment assembly further includes an opening degree indicating dial 1, and the opening degree indicating dial 1 is disposed along a rotation locus of the adjustment lever 2. Through aperture indicating disk 1, can know the degree of opening of the last regulation mouth of current governing valve directly perceivedly, visibility and practicality when having increased the control governing valve.

As shown in fig. 3 and 6, in this embodiment, the adjusting assembly further includes a protective cover 12 covering the movable gear 3, a through groove is formed on the protective cover 12 along the movement track of the adjusting rod 2, and the adjusting rod 2 extends out of the protective cover 12 through the through groove. The protective cover 12 is arranged to effectively protect the movable gear 3, so that the movable gear 3 is prevented from being damaged to cause the condition that the regulating function of the regulating valve is invalid.

The regulating valve is also provided with a pressure sensor, a comparator and a valve controller, wherein the pressure sensor is used for measuring differential pressure signals. The regulating valve is arranged on each branch pipe of a pipe network system, the pipe orifice of each branch pipe is provided with a pressure sensor, a pressure difference signal measured by the pressure sensor is connected to a comparator, the comparator is connected to a valve controller, and the valve controller can control the opening and closing degree of a flow blocking component of the dynamic resistance regulating valve according to a preset algorithm according to the comparator signal, so that the size of a central flow passage of the regulating valve is changed, further the pressure fluctuation of the pipe network is eliminated, and the pressure stability in the pipe system is ensured.

When in actual use, the throttle control system adjusts the position of the adjusting rod 2 according to the result obtained by a preset algorithm, the adjusting rod 2 can drive the movable gear 3 to move in the moving process, the movable gear 3 drives the movable valve disc 9 meshed with the adjusting rod through teeth to move in the moving process, the moving direction of the movable valve disc 9 is opposite to the moving direction of the movable gear 3, when the movable valve disc 9 moves, one end of the connecting piece 7 connected with the choke assembly slides in the guide groove 6, and then drives the choke assembly to move, the caliber of the orifice is adjusted, the purpose of adjusting the ventilation quantity of the adjusting valve is achieved, and meanwhile, the medium always passes through the adjusting valve in the middle in the adjusting process of the adjusting valve.

In summary, through setting up the flow area of choked flow subassembly regulation circulation mouth, and make the geometric center of regulating mouth align with the geometric center of circulation mouth, make this governing valve in the use, both the size of accessible regulation mouth, the resistance level of the pipeline that the governing valve is located to the medium is adjusted, this guarantees each branch pipe pressure reasonable distribution, ensure pipe network system's pressure balance, enable the governing valve again in the in-process of adjusting, the bias flow takes place for the intraductal medium of governing valve, prevent that the governing valve from wearing and tearing because of the medium bias flow in the pipeline, the problem that needs frequent change appears, reduce the frequency of governing valve change, increase the durability and the practicality of governing valve.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A regulator valve, comprising:

a flow port for medium outflow, and

the flow blocking assembly is arranged corresponding to the flow opening and is used for adjusting the flow area of the flow opening, and comprises two or more flow blocking pieces, and an adjusting opening is formed between the flow blocking pieces;

wherein the flow choking pieces are arranged in a relative motion way, the motion track of the flow choking pieces is intersected with the flow direction of the flow opening,

the circulation direction of the circulation port is a valve flow direction, the circulation direction of the regulating port is the same as the valve flow direction, the projection of the circulation port and the projection of the regulating port are both symmetrical in shape in the valve flow direction, and the geometric center of the projection of the regulating port is aligned with the geometric center of the projection of the circulation port.

2. The regulator valve according to claim 1, wherein: the air-tight adjusting device comprises a flow blocking piece, a flow adjusting opening, a connecting piece, a connecting assembly and a connecting assembly, wherein the connecting assembly is respectively connected with the flow blocking piece, and the connecting assembly adjusts the caliber of the adjusting opening by driving the flow blocking piece.

3. The regulator valve according to claim 2, wherein: the linkage assembly comprises a fixing piece and a driving piece, wherein the driving piece respectively drives each flow blocking piece, the fixing piece and the driving piece jointly restrict the motion track of the flow blocking piece, the motion track of each flow blocking piece is arranged symmetrically about the geometric center of the projection of the regulating port in the valve flow direction, and when the driving piece drives each flow blocking piece, each flow blocking piece gathers together or is far away.

4. A regulator valve according to claim 3, characterized in that: the linkage assembly further comprises connecting pieces corresponding to the flow blocking pieces, the connecting pieces are connected with the driving pieces, the fixing pieces and the corresponding flow blocking pieces, the driving pieces respectively drive the flow blocking pieces through the connecting pieces, and the fixing pieces are used for restraining the movement track of the flow blocking pieces.

5. The regulator valve according to claim 4, wherein: the driving piece is a movable valve disc, the movable valve disc is coiled in the circulation direction of the circulation port and is rotationally arranged, the rotation axis of the movable valve disc passes through the geometric center of the projection of the circulation port in the valve flow direction, and the movable valve disc rotationally drives each flow blocking piece.

6. The regulator valve according to claim 5, wherein: the movable valve disc is provided with guide grooves, the flow blocking pieces are provided with sliding parts, the sliding parts slide in the guide grooves, the movable valve disc is restrained by the guide grooves and the sliding parts to move along the flow blocking pieces, the number of the guide grooves corresponds to the number of the flow blocking pieces, and the guide grooves are symmetrically arranged around the geometric center of the projection of the flow opening in the valve flow direction.

7. The regulator valve according to claim 5, wherein: the fixed part is a fixed valve disc, the flow opening is formed in the fixed valve disc, the connecting part is respectively connected with the flow blocking part and the fixed valve disc in a rotating mode, and the fixed valve disc constrains the motion track of the flow blocking part through the connecting part.

8. The regulator valve according to claim 7, wherein: the regulating valve is provided with a valve shell, the valve shell and the fixed valve disc form a protection cavity, the movable valve disc, the connecting piece and the flow blocking piece are all accommodated in the protection cavity, and sealing rings are arranged between the flow blocking piece and the valve shell and between the flow blocking piece and the fixed valve disc.

9. The regulator valve according to claim 5, wherein: still include adjusting part, adjusting part is including adjusting the pole and setting is in the movable gear on adjusting one end, be provided with the tooth on the movable valve disc, movable gear with tooth meshing, movable gear rotates the setting, adjust the pole with movable gear fixed connection, adjust the pole and pass through the movable gear drive movable valve disc rotates.

10. The regulator valve according to claim 9, wherein: the adjusting assembly further comprises a protective cover which is covered on the movable gear, a through groove is formed in the protective cover along the movement track of the adjusting rod, and the adjusting rod extends out of the protective cover through the through groove.