CN213332387U - Novel pneumatic regulating valve - Google Patents
Novel pneumatic regulating valve Download PDFInfo
- Publication number
- CN213332387U CN213332387U CN202021864780.1U CN202021864780U CN213332387U CN 213332387 U CN213332387 U CN 213332387U CN 202021864780 U CN202021864780 U CN 202021864780U CN 213332387 U CN213332387 U CN 213332387U
- Authority
- CN
- China
- Prior art keywords
- valve
- packing
- sealing
- cover
- die cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a novel pneumatic control valve, which comprises a valve body, the valve body both sides are equipped with inhalant canal and exhalant canal, be equipped with the disk seat between inhalant canal and the exhalant canal, disk seat internally mounted has case subassembly one end, valve body upside sealing connection valve gap, the case subassembly includes sealing plug and valve rod, the sealing plug is connected to valve rod one end, and the other end passes through-hole, sealed filler mechanism and the stroke chamber back connection push rod one end at valve gap middle part, the start-up actuating mechanism is connected to the push rod other end, separable the installing inside the disk seat of sealing plug, sealed filler mechanism seal installation is in the mounting groove at the top of valve gap, stroke chamber bottom bolted connection valve gap, top bolted connection start-up actuating mechanism, stroke intracavity side is fixed with the calibrated scale, be fixed with the pointer on the. The sealing ring is used on the sealing packing mechanism, so that the sealing strength between the sealing packing mechanism and the valve cover is enhanced.
Description
Technical Field
The utility model relates to a governing valve technical field, concretely relates to novel pneumatic control valve.
Background
The regulating valve is also called a control valve, and receives a control signal output by a regulating control unit in the field of industrial automation process control. The final control element is operated by power to change the process parameters of medium flow, pressure, temperature, liquid level, etc. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely linear characteristic, equal percentage characteristic and parabolic characteristic according to functions and characteristics of the method. The regulating valve is suitable for air, water, steam, various corrosive media, slurry, oil and other media.
The pneumatic control valve takes compressed gas as a power source, takes a cylinder as an actuator, drives the valve by means of accessories such as a valve positioner, a converter, an electromagnetic valve, a position-retaining valve, a gas storage tank, a gas filter and the like, realizes the adjustment of switching value or proportion, receives a control signal of an industrial automatic control system to complete the adjustment of a pipeline medium: flow, pressure, temperature, liquid level, etc. The pneumatic regulating valve has the characteristics of simple control, quick response and intrinsic safety, and no additional explosion-proof measures are needed.
The existing pneumatic regulating valve has the problem that the filler and the valve core are easy to leak due to long-time use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel pneumatic control valve to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: a novel pneumatic regulating valve comprises a valve body, wherein a water inlet channel and a water outlet channel are arranged on two sides of the valve body, a valve seat is arranged between the water inlet channel and the water outlet channel, the valve seat is fixed at the top end of the water inlet channel, one end of a valve core assembly is arranged in the valve seat, the upper side of the valve body is connected with a valve cover in a sealing manner, a through hole is formed in the middle of the valve cover, the valve core assembly comprises a sealing plug and a valve rod, one end of the valve rod is connected with the sealing plug, the other end of the valve rod penetrates through the through hole in the middle of the valve cover, a sealing packing mechanism and a stroke cavity and then is connected with one end of a push rod, the other end of the push rod is connected with a starting execution mechanism, the sealing plug is detachably arranged, a dial is fixed on the inner side of the stroke cavity, a pointer is fixed on the push rod, and the pointer and the dial are matched for use;
the sealing packing mechanism comprises packing, packing gaskets, packing glands and sealing rings, the packing is filled in the bottom of the mounting groove, the packing gaskets and the packing glands are sequentially mounted above the packing, the sealing rings are arranged below two sides of the packing glands, the packing gland is hermetically connected with the valve cover after compressing the packing, the packing gaskets and the sealing rings, and the sealing rings are located between the valve cover and the packing to realize sealing between the valve cover and the packing.
Preferably, the contact department of disk seat upper end and sealing plug is equipped with the slope, the sealing plug is semiellipse shape structure, the sealing plug upside is connected with round rubber packing, rubber packing lower part is the slope shape, with the slope structure cooperation on the disk seat.
Preferably, start actuating mechanism includes upper die cover, lower die cover and diaphragm, bolted connection is passed through at upper die cover, lower die cover and diaphragm both ends, the diaphragm is located between upper die cover and the lower die cover, upper die cover lower surface is connected with the spring, surface connection mounting panel on the diaphragm, be fixed with spring I and push rod upper end on the mounting panel, lower die cover is last to be opened there is the inlet port, lower die cover lower surface and stroke chamber bolted connection.
Preferably, the spring and the spring I are both provided with two groups, and the positions of the spring and the spring I correspond up and down.
The utility model discloses a technological effect and advantage: the sealing ring is used on the sealing filler mechanism, so that the sealing strength between the sealing filler mechanism and the valve cover is enhanced; the sealing plug is provided with the rubber sealing gasket, so that the leakage of the regulating valve caused by the abrasion of the sealing plug is effectively prevented.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: 1-valve body, 2-water inlet channel, 3-water outlet channel, 4-valve seat, 5-valve cover, 6-through hole, 7-sealing plug, 8-valve rod, 9-stroke cavity, 10-push rod, 11-mounting groove, 12-starting actuator, 13-dial, 14-packing, 15-packing gasket, 16-packing gland, 17-sealing ring, 18-slope, 19-rubber sealing gasket, 20-upper die cover, 21-lower die cover, 22-diaphragm, 23-spring, 24-mounting plate, 25-spring I, 26-air inlet hole and 27-pointer.
Detailed Description
In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
The novel pneumatic regulating valve shown in fig. 1 and 2 comprises a valve body 1, wherein a water inlet channel 2 and a water outlet channel 3 are arranged on two sides of the valve body 1, a valve seat 4 is arranged between the water inlet channel 2 and the water outlet channel 3, the valve seat 4 is fixed at the top end of the water inlet channel 2, one end of a valve core assembly is arranged inside the valve seat 4, the valve cover 5 is connected with the upper side of the valve body 1 in a sealing manner, a through hole 6 is arranged in the middle of the valve cover 5, the valve core assembly comprises a sealing plug 7 and a valve rod 8, one end of the valve rod 8 is connected with the sealing plug 7, the other end of the valve rod passes through the through hole 6 in the middle of the valve cover 5, a sealing packing mechanism and a stroke cavity 9 and then is connected with one end of a push rod 10, the other end of the push, the mounting groove 11 is communicated with the through hole 6, the bottom of the stroke cavity 9 is connected with the valve cover 5 through a bolt, the top of the stroke cavity 9 is connected with the starting executing mechanism 12 through a bolt, the inner side of the stroke cavity 9 is fixedly provided with a dial 13, the push rod 10 is fixedly provided with a pointer 27, and the pointer 27 is matched with the dial 13 for use;
the sealing packing mechanism comprises packing 14, a packing gasket 15, a packing gland 16 and a sealing ring 17, wherein the packing 14 is filled at the bottom of the mounting groove 11, the packing gasket 15 and the packing gland 16 are sequentially mounted above the packing 14, the sealing ring 17 is arranged below two sides of the packing gland 16, the packing gland 16 is hermetically connected with the valve cover 5 after compressing the packing 14, the packing gasket 16 and the sealing ring 17, and the sealing ring 17 is positioned between the valve cover 5 and the packing 14 to realize sealing between the valve cover 5 and the packing 14.
Example 2
The novel pneumatic regulating valve shown in fig. 1-3 comprises a valve body 1, wherein a water inlet channel 2 and a water outlet channel 3 are arranged on two sides of the valve body 1, a valve seat 4 is arranged between the water inlet channel 2 and the water outlet channel 3, the valve seat 4 is fixed at the top end of the water inlet channel 2, one end of a valve core assembly is arranged inside the valve seat 4, the valve cover 5 is connected with the upper side of the valve body 1 in a sealing manner, a through hole 6 is arranged in the middle of the valve cover 5, the valve core assembly comprises a sealing plug 7 and a valve rod 8, one end of the valve rod 8 is connected with the sealing plug 7, the other end of the valve rod passes through the through hole 6 in the middle of the valve cover 5, a sealing packing mechanism and a stroke cavity 9 and then is connected with one end of a push rod 10, the other end of the push, the mounting groove 11 is communicated with the through hole 6, the bottom of the stroke cavity 9 is connected with the valve cover 5 through a bolt, the top of the stroke cavity 9 is connected with the starting executing mechanism 12 through a bolt, the inner side of the stroke cavity 9 is fixedly provided with a dial 13, the push rod 10 is fixedly provided with a pointer 27, and the pointer 27 is matched with the dial 13 for use;
the sealing packing mechanism comprises packing 14, a packing gasket 15, a packing gland 16 and a sealing ring 17, wherein the packing 14 is filled at the bottom of the mounting groove 11, the packing gasket 15 and the packing gland 16 are sequentially mounted above the packing 14, the sealing ring 17 is arranged below two sides of the packing gland 16, the packing gland 16 is hermetically connected with the valve cover 5 after compressing the packing 14, the packing gasket 16 and the sealing ring 17, and the sealing ring 17 is positioned between the valve cover 5 and the packing 14 to realize sealing between the valve cover 5 and the packing 14.
Preferably, the department of contact of disk seat 4 upper end and sealing plug 7 is equipped with slope 18, sealing plug 7 is half oval structure, sealing plug 7 upside is connected with round rubber seal 19, rubber seal 19 lower part is the slope shape, with the cooperation of the slope 18 structure on the disk seat 4, when sealing plug 7 takes place wearing and tearing, rubber seal 19 can realize the sealing action with disk seat 4 because of its elasticity, has avoided the governing valve to leak.
Preferably, the starting actuator 12 comprises an upper die cover 20, a lower die cover 21 and a diaphragm 22, the two ends of the upper die cover 20, the two ends of the lower die cover 21 and the two ends of the diaphragm 22 are connected through bolts, the diaphragm 22 is located between the upper die cover 20 and the lower die cover 21, the lower surface of the upper die cover 20 is connected with a spring 23, the upper surface of the diaphragm 22 is connected with a mounting plate 24, the mounting plate 24 is fixed with a spring I25 and the upper end of the push rod 10, the lower die cover 21 is provided with an air inlet 26, and the lower surface of the lower die cover 21 is connected with the stroke cavity 9 through bolts.
Preferably, the springs 23 and the springs I25 are arranged in two groups, and the springs 23 and the springs I25 are arranged in an up-and-down corresponding mode to limit the upward movement distance of the diaphragm 22.
The utility model discloses process flow and theory of operation do: before use, the pipeline is respectively and fixedly connected with the water inlet channel 2 and the water outlet channel 3 on two sides of the valve body 1 through bolts and nuts, when the pressure of the air inlet 26 on the lower die cover 21 is increased, the diaphragm 22 moves upwards under the action of the pressure, the diaphragm 22 moving upwards drives the push rod 10 to move upwards, the push rod 10 drives the pointer 27 and the valve rod 8 to move upwards, the valve rod 8 drives the sealing plug 7 to leave the valve seat 4, so that the water inlet channel 2 is communicated with the water outlet channel 3, and the pointer 27 is matched with the dial 13 to accurately reflect the opening and closing degree of the regulating valve; when the pressure of the air inlet 26 on the lower mold cover 21 is reduced, the diaphragm 22 moves downwards, and the push rod 10 and the valve rod 8 are pushed to make the sealing plug block the valve seat 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides a novel pneumatic control valve, includes the valve body, its characterized in that: the valve comprises a valve body, a water inlet channel, a water outlet channel, a valve seat, a valve core assembly, a sealing filler mechanism and a stroke cavity, wherein the two sides of the valve body are provided with the water inlet channel and the water outlet channel, the valve seat is arranged between the water inlet channel and the water outlet channel and fixed at the top end of the water inlet channel, one end of the valve seat is internally provided with the valve core assembly, the upper side of the valve body is hermetically connected with the valve cover, the middle part of the valve cover is provided with a through hole, the valve core assembly comprises a sealing plug and a valve rod, one end of the valve rod is connected with the sealing plug, the other end of the valve rod is connected with one end of a push rod after passing through the through hole in the middle part of the valve cover, the sealing filler mechanism and the stroke cavity, a pointer is fixed on the push rod and is matched with the dial for use;
the sealing packing mechanism comprises packing, packing gaskets, packing glands and sealing rings, the packing is filled in the bottom of the mounting groove, the packing gaskets and the packing glands are sequentially mounted above the packing, the sealing rings are arranged below two sides of the packing glands, the packing gland is hermetically connected with the valve cover after compressing the packing, the packing gaskets and the sealing rings, and the sealing rings are located between the valve cover and the packing to realize sealing between the valve cover and the packing.
2. A novel pneumatic adjustment valve according to claim 1, characterized in that: the sealing plug is of a semi-elliptical structure, a circle of rubber sealing gasket is connected to the upper side of the sealing plug, and the lower portion of the rubber sealing gasket is of a slope shape and is matched with the slope structure on the valve seat.
3. A novel pneumatic regulating valve according to any one of claims 1 or 2, characterized in that: the starting executing mechanism comprises an upper die cover, a lower die cover and a diaphragm, the two ends of the upper die cover, the lower die cover and the diaphragm are connected through bolts, the diaphragm is located between the upper die cover and the lower die cover, the lower surface of the upper die cover is connected with a spring, the upper surface of the diaphragm is connected with a mounting plate, the upper end of the spring I and the upper end of a push rod are fixed on the mounting plate, an air inlet hole is formed in the lower die cover, and the lower surface of the lower die cover is connected with a stroke cavity through bolts.
4. A novel pneumatic adjustment valve according to claim 3, characterized in that: the spring and the spring I are both provided with two groups, and the positions of the spring and the spring I correspond up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021864780.1U CN213332387U (en) | 2020-09-01 | 2020-09-01 | Novel pneumatic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021864780.1U CN213332387U (en) | 2020-09-01 | 2020-09-01 | Novel pneumatic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332387U true CN213332387U (en) | 2021-06-01 |
Family
ID=76101391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021864780.1U Active CN213332387U (en) | 2020-09-01 | 2020-09-01 | Novel pneumatic regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213332387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738886A (en) * | 2021-11-04 | 2021-12-03 | 艾肯（江苏）工业技术有限公司 | Intelligent constant-current high-precision temperature and pressure control regulating valve |
-
2020
- 2020-09-01 CN CN202021864780.1U patent/CN213332387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738886A (en) * | 2021-11-04 | 2021-12-03 | 艾肯（江苏）工业技术有限公司 | Intelligent constant-current high-precision temperature and pressure control regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213332387U (en) | Novel pneumatic regulating valve | |
| CN210196593U (en) | Corrugated pipe regulating valve special for phosgene | |
| CN110195783B (en) | Piston type valve core pressure self-balancing stop throttle valve | |
| CN201496569U (en) | Flexible sealing valve core type regulating valve | |
| CN2192781Y (en) | Self pressure adjusting valve | |
| CN212455509U (en) | Electromagnetic valve with good connecting and sealing effects | |
| CN209213030U (en) | A kind of double sealing structure in pressure balance type regulating valve | |
| CN2077064U (en) | Fast shearing-off sluice valve | |
| CN220668383U (en) | Leak-proof pneumatic film regulating valve | |
| CN214946559U (en) | Natural gas measurement V type governing valve | |
| CN213512105U (en) | Pneumatic regulating valve | |
| CN220870199U (en) | Pneumatic regulating valve | |
| CN209925648U (en) | Pneumatic cage type regulating valve | |
| CN212297613U (en) | Balanced high-pressure soft sealing regulating valve | |
| CN211474885U (en) | Pneumatic control corner valve | |
| CN218152362U (en) | Balanced anti-scouring long-life high-pressure stop valve | |
| CN220168577U (en) | Micro gas regulating structure | |
| CN213512160U (en) | Telescopic valve cage structure of regulating valve | |
| CN216812898U (en) | Electric high-temperature regulating valve with cooling device | |
| CN218895052U (en) | Adjustable tightness's governing valve | |
| CN217814984U (en) | Be used for governing valve packing structure | |
| CN216479058U (en) | Proportional electromagnetic valve | |
| CN216078308U (en) | Single-seat regulating valve | |
| CN216479140U (en) | Exempt from upper cover governing valve | |
| CN2343423Y (en) | Fluoroplastic full-lining stop valve for chlor-alkali |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |