CN111765280A - Self-operated piston type flow-regulating pressure-regulating valve - Google Patents
Self-operated piston type flow-regulating pressure-regulating valve Download PDFInfo
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- CN111765280A CN111765280A CN202010610517.8A CN202010610517A CN111765280A CN 111765280 A CN111765280 A CN 111765280A CN 202010610517 A CN202010610517 A CN 202010610517A CN 111765280 A CN111765280 A CN 111765280A
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- hydraulic cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
- F16K43/001—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
- F16K43/003—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve the auxiliary valve being a rotary valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a self-operated piston type flow-regulating pressure-regulating valve, which comprises three parts: the device comprises a pressure signal receiving and feedback part, an actuator action part and a flow regulating part. The flow regulating part is a piston type flow regulating and pressure regulating valve, a valve rod is connected with a crank, a crank is connected with a connecting rod, a connecting rod is connected with a connecting rod rack, the connecting rod rack and a piston into a whole, the valve rod rotates for 90 degrees, the piston moves linearly under the guiding action of the valve body, and the flow is regulated by regulating the position of a piston flow strip hole. The executing mechanism part is that a hydraulic cylinder is connected with a lever, the other end of the lever is connected with a heavy hammer, and the middle part of the lever is connected with a valve rod of a flow regulating and pressure regulating valve. The pressure signal receiving part senses the downstream pressure change for the commander, and then provides hydraulic power for the hydraulic cylinder actuator to enable the hydraulic cylinder to act, wherein the sensing pressure of the commander can be manually adjusted. The invention relates to a self-operated piston type flow-regulating pressure-regulating valve capable of realizing a large-caliber pipeline.
Description
Technical Field
The invention relates to a flow regulating and pressure regulating valve, in particular to a self-operated piston type flow regulating and pressure regulating valve for realizing a large-caliber pipeline.
Background
At present, the flow regulating valves are various, most of the flow regulating valves are manual, electric, pneumatic, hydraulic control and the like, the regulating valves need manual operation or need an external power source to enable the valves to act, the most common self-operated regulating valve in the market is a diaphragm type regulating valve, and the diaphragm type regulating valve also has the advantage of automatically regulating the flow, but the diaphragm type regulating valve is generally used for small-caliber pipelines, and large-caliber pipelines cannot be used.
Disclosure of Invention
In view of the above problems, the main object of the present invention is to provide a self-operated piston type flow-regulating pressure-regulating valve for realizing a large-diameter pipeline.
The invention solves the technical problems through the following technical scheme: a self-operated piston-type flow-regulating pressure-regulating valve, comprising: the pressure receiving and signal feedback part senses downstream pressure so as to open a pressure inlet or a pressure discharge outlet of the hydraulic cylinder; the executing structure action part is arranged on the flow regulating and pressure regulating valve through a bracket; a flow rate adjusting section: the flow regulating part regulates the flow; the three parts are connected by a hydraulic pipe, one end of the hydraulic pipe connected with the flow regulating and pressure regulating valve is provided with a small ball valve, and the other end of the hydraulic pipe is provided with a filter and a pressure gauge.
In a specific embodiment of the present invention; the commander of the pressure receiving and signal feedback part senses the downstream pressure so as to open a pressure inlet of the hydraulic cylinder or open a pressure discharge port of the hydraulic cylinder, so that the hydraulic cylinder and the heavy hammer mechanism act, a valve rod of the flow regulating and pressure regulating valve is rotated by a lever, the valve rod rotates to drive the crank connecting rod mechanism to push the piston to horizontally move along the flow passage direction, the size of a flow hole of the piston is regulated, so that the downstream pressure is regulated, when the downstream pressure is the same as the sensing pressure set by the commander, a balance is formed, and the valve stops acting; when the upstream pressure changes, the downstream pressure also changes, the pressure change is transmitted to the commander, and the valve continues to act to adjust the flow and the pressure of the pipeline, so as to form new balance again; when the downstream pressure is reduced, the pressure change is transmitted to the commander, the commander reverses, the hydraulic cylinder acts to push the heavy hammer and the valve rod by using pressure difference, so that the valve acts towards the valve opening direction, the downstream pressure is increased to be the same as the setting pressure of the commander, the action is stopped, and new balance is formed again.
In a specific embodiment of the present invention; the flow rate adjusting section includes: a valve body, a crank, a pin shaft, a connecting rod frame and a piston cylinder, the sealing ring, the short pipe and the valve rod, the lever drives the valve rod to rotate 90 degrees along a valve rod hole of the valve body, the valve body is divided into an inner cavity and an outer cavity, an upstream medium enters the inner cavity from the outer cavity through a flow regulating hole of a piston cylinder, a piston cylinder is arranged at the joint of the inner cavity of the valve body and the outer cavity, the valve rod and a crank are in key connection, the crank is in pin connection with a connecting rod, the connecting rod is in pin connection with a connecting rod frame, the connecting rod frame is fixed on the piston cylinder, the piston cylinder is installed between the valve body and the short pipe, the valve rod, the crank, the connecting rod frame and the piston cylinder form a crank-connecting rod mechanism, the piston cylinder is divided into two sections, a long strip hole for flow regulation is formed in one end, the other section of the piston cylinder.
In a specific embodiment of the present invention; the long holes on the piston cylinder are uniformly distributed in the circumferential direction.
In a specific embodiment of the present invention; the pressure receiving and signal feedback part comprises a commander, a small ball valve, a hydraulic pipe, an elbow, a steel pipe, a three-way joint, a hydraulic pipe joint, a filter, a needle valve and a pressure gauge, wherein the commander is a three-position three-way reversing valve, the commander has three positions, three interfaces of the three positions are connected with different hydraulic pipes, an interface A is connected with the upstream of the main valve, an interface B is communicated with the upper cavity of the hydraulic cylinder, an interface C is communicated with the lower cavity of the hydraulic cylinder and the downstream of the main valve, when the commander is at the position 1, the downstream pressure is smaller than the setting pressure of the commander, the upstream pressure can be directly communicated with the upper cavity of the hydraulic cylinder, and the pressure difference of the upper cavity; when the commander is at the position 2, the downstream pressure is equal to the set pressure of the commander, the ports A, B, C are not communicated with each other, the upper cavity of the hydraulic cylinder is in a closed state, even if the hydraulic cylinder has the action of a heavy hammer, the hydraulic cylinder is still in a static state, and the whole valve is in a balanced state at the moment; when the commander is at the position 3, the downstream pressure is greater than the setting pressure of the commander, the upper cavity and the lower cavity of the hydraulic cylinder are simultaneously communicated with the downstream pressure, and the valve acts towards the valve closing direction under the action of the heavy hammer, so that the downstream pressure is reduced.
In a specific embodiment of the present invention; the director comprises a shell, a bottom cover, a valve core, a spring, an adjusting rod and an adjusting nut, wherein the valve core can slide in the shell according to downstream pressure so as to achieve the purpose of reversing, the compression amount of the spring can be adjusted from the outside by the adjusting nut, and the exposed part of the adjusting rod is provided with scales matched with the downstream pressure.
The positive progress effects of the invention are as follows: the self-operated piston type flow regulating and pressure regulating valve provided by the invention has the following advantages: the main valve flow regulating part of the present invention has two outer connecting holes, one connected to the inner cavity of the valve body and communicated with the downstream of the valve, and the other connected to the outer cavity of the valve body and communicated with the upstream of the valve.
In the actuating mechanism part, the valve bracket is connected with the hydraulic cylinder through a double half shaft, and the hydraulic cylinder rotates along the half shaft, so that the hydraulic cylinder has certain degree of freedom.
The small ball valve is arranged at the outlet of the valve body connected with the external hydraulic pipe, so that parts on the hydraulic pipe can be conveniently maintained or replaced in emergency.
Drawings
Fig. 1-1 is a front elevational view in full section of the present invention.
Fig. 1-2 are full sectional views of the left side view of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3-1 is a schematic view of the structure of one position of the director of the present invention.
Fig. 3-2 is a schematic view of another position of the director of the present invention.
Fig. 3-3 are schematic views of the third position of the director of the present invention.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 1-1 is a front elevational view in full section of the present invention. Fig. 1-2 are full sectional views of the left side view of the present invention. Fig. 2 is a rear view of the present invention. As shown in the above figures, the self-operated piston type flow regulating and pressure regulating valve provided by the present invention comprises a receiving pressure signal and feedback part, an actuator action part and a flow regulating part. The working principle of the whole mechanism is as follows: the commander senses the downstream pressure so as to open a pressure inlet or a pressure discharge port of the hydraulic cylinder, so that the hydraulic cylinder and the heavy hammer mechanism act, a valve rod of the flow regulating and pressure regulating valve is rotated by a lever, the valve rod rotates to drive the crank connecting rod mechanism to push the piston to horizontally move along the flow channel direction, the size of a flow hole of the piston is regulated, so that the downstream pressure is regulated, when the downstream pressure is the same as the sensed pressure set by the commander, a balance is formed, and the valve stops acting; when the upstream pressure changes, the downstream pressure also changes, the pressure change is transmitted to the commander, and the valve continues to act to adjust the flow and the pressure of the pipeline, so as to form new balance again; when the downstream pressure is reduced, the pressure change is transmitted to the commander, the commander reverses, the hydraulic cylinder acts to push the heavy hammer and the valve rod by using pressure difference, so that the valve acts towards the valve opening direction, the downstream pressure is increased to be the same as the setting pressure of the commander, the action is stopped, and new balance is formed again.
The invention mainly comprises three main components: the pressure signal and feedback receiving part, the actuating mechanism action part and the flow regulating part are correlated, and the function of automatically regulating pressure can be completed according to the setting of a user.
The pressure receiving and signal feedback part shown in fig. 1-1 and 1-2 is composed of a commander 28, a small ball valve 25, a hydraulic pipe 26, an elbow 27, a steel pipe 29, a three-way joint 30, a hydraulic pipe joint 31, a filter 32, a needle valve 33 and a pressure gauge 34, the main functional component is the commander 28, the commander 28 is a three-position three-way reversing valve, and is shown as three positions of the commander in fig. 3, the three interfaces are connected with different hydraulic pipes, the interface a is connected with the upstream of a main valve, the interface B is communicated with the upper cavity of the hydraulic cylinder 22, the interface C is communicated with the lower cavity of the hydraulic cylinder and the downstream of the main valve, when the commander 28 is at the position 1, the downstream pressure is smaller than the setting pressure of the commander, the upstream pressure can be directly communicated with the upper cavity of the hydraulic cylinder 22, and the heavy; when the commander 28 is at the position 2, the downstream pressure is equal to the setting pressure of the commander 28, the ports A, B, C are not communicated with each other, the upper cavity of the hydraulic cylinder 22 is in a closed state, and even if the hydraulic cylinder has the action of a heavy hammer, the hydraulic cylinder is still in a static state, and at the moment, the whole valve is in a balanced state; when the commander 28 is at the position 3, the downstream pressure is greater than the setting pressure of the commander, at this time, the upper and lower cavities of the hydraulic cylinder 22 are simultaneously communicated with the downstream pressure, and the valve is moved towards the valve closing direction under the action of the heavy hammer, so that the purpose of reducing the downstream pressure is achieved.
Fig. 3-1 is a schematic view of the structure of one position of the director of the present invention. Fig. 3-2 is a schematic view of another position of the director of the present invention. Fig. 3-3 are schematic views of the third position of the director of the present invention. The director 28 shown in fig. 3-1, 3-2 and 3-3 is composed of a shell 28.1, a bottom cover 28.2, a valve core 28.3, a spring 28.4, an adjusting rod 28.5 and an adjusting nut 28.6, wherein the valve core 28.3 can slide in the shell according to downstream pressure so as to achieve the purpose of reversing, the compression amount of the spring 28.4 can be adjusted from the outside by the adjusting nut 28.6, and the exposed part of the adjusting rod 28.5 is provided with a scale matched with the downstream pressure.
The actuating part of the actuator shown in fig. 1-1 and 1-2 is composed of a support 14, a lever 17, a weight 11, a pin 18, a support 19, a half shaft 20, a piston rod 21, a hydraulic cylinder 22, a piston 23, a hydraulic cylinder end cover 24 and a scale 15, wherein the middle part of the lever 17 is arranged on the support 19 and is connected with a valve rod 10 of a main valve through a key, so that the lever rotates 90 degrees along the axial direction of the valve rod, the weight 11 is fixed at one end of the lever 17, the other end of the lever is connected with the piston rod 21 of the hydraulic cylinder through the pin 18, the hydraulic cylinder 22 is arranged on the support 19 through two half shafts 20, so that the hydraulic cylinder 22 has a certain degree of freedom of rotation, the scale 15 is arranged at the top end of.
The flow rate adjusting part shown in figures 1-1 and 1-2 is composed of a valve body 1, a crank 3, a pin shaft 4, a connecting rod 5, a connecting rod frame 6, a piston cylinder 7, a sealing ring 8, a short pipe 9 and a valve rod 10, wherein a lever 17 drives the valve rod 10 to rotate 90 degrees along a valve rod hole of the valve body 1, the valve body 1 is divided into an inner cavity and an outer cavity, an upstream medium enters the inner cavity from the outer cavity through a flow rate adjusting hole of the piston cylinder 7, a piston cylinder 7 is arranged at the joint of the inner cavity and the outer cavity of the valve body 1, the valve rod 10 and the crank 3 are connected by adopting a key, the crank 3 and the connecting rod 5 are connected by the pin shaft 4, the connecting rod 5 and the connecting rod frame 6 are connected by the pin shaft, the connecting rod frame 6 is fixed on the piston cylinder 7, the piston cylinder 7 is arranged between the valve body 1 and the short pipe 9, the valve rod 10, the crank 3, as shown in figure 1, the long holes on the piston cylinder 7 are evenly distributed on the circumference, the other section of the piston cylinder 7 is a closed cylindrical structure, the two sections are combined, and the piston cylinder 7 can move along the axis of the flow passage in the valve body 1 and the short pipe 9, so that the purpose of regulating the flow is achieved.
The main valve flow regulating part of the present invention has two outer connecting holes, one connected to the inner cavity of the valve body and communicated with the downstream of the valve, and the other connected to the outer cavity of the valve body and communicated with the upstream of the valve.
In the actuating mechanism part, the valve bracket is connected with the hydraulic cylinder through a double half shaft, and the hydraulic cylinder rotates along the half shaft, so that the hydraulic cylinder has certain degree of freedom.
The small ball valve is arranged at the outlet of the valve body connected with the external hydraulic pipe, so that parts on the hydraulic pipe can be conveniently maintained or replaced in emergency.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a formula of relying on oneself piston type flow regulation air-vent valve which characterized in that: the self-operated piston type flow-regulating pressure-regulating valve comprises: the pressure receiving and signal feedback part senses downstream pressure so as to open a pressure inlet or a pressure discharge outlet of the hydraulic cylinder; the executing structure action part is arranged on the flow regulating and pressure regulating valve through a bracket; a flow rate adjusting section: the flow regulating part regulates the flow; the three parts are connected by a hydraulic pipe, one end of the hydraulic pipe connected with the flow regulating and pressure regulating valve is provided with a small ball valve, and the other end of the hydraulic pipe is provided with a filter and a pressure gauge.
2. The self-operated piston type flow regulating pressure regulating valve according to claim 1, characterized in that: the commander of the pressure receiving and signal feedback part senses the downstream pressure so as to open a pressure inlet of the hydraulic cylinder or open a pressure discharge port of the hydraulic cylinder, so that the hydraulic cylinder and the heavy hammer mechanism act, a valve rod of the flow regulating and pressure regulating valve is rotated by a lever, the valve rod rotates to drive the crank connecting rod mechanism to push the piston to horizontally move along the flow passage direction, the size of a flow hole of the piston is regulated, so that the downstream pressure is regulated, when the downstream pressure is the same as the sensing pressure set by the commander, a balance is formed, and the valve stops acting; when the upstream pressure changes, the downstream pressure also changes, the pressure change is transmitted to the commander, and the valve continues to act to adjust the flow and the pressure of the pipeline, so as to form new balance again; when the downstream pressure is reduced, the pressure change is transmitted to the commander, the commander reverses, the hydraulic cylinder acts to push the heavy hammer and the valve rod by using pressure difference, so that the valve acts towards the valve opening direction, the downstream pressure is increased to be the same as the setting pressure of the commander, the action is stopped, and new balance is formed again.
3. The self-operated piston type flow regulating pressure regulating valve according to claim 1, characterized in that: the flow rate adjusting section includes: a valve body, a crank, a pin shaft, a connecting rod frame and a piston cylinder, the sealing ring, the short pipe and the valve rod, the lever drives the valve rod to rotate 90 degrees along a valve rod hole of the valve body, the valve body is divided into an inner cavity and an outer cavity, an upstream medium enters the inner cavity from the outer cavity through a flow regulating hole of a piston cylinder, a piston cylinder is arranged at the joint of the inner cavity of the valve body and the outer cavity, the valve rod and a crank are in key connection, the crank is in pin connection with a connecting rod, the connecting rod is in pin connection with a connecting rod frame, the connecting rod frame is fixed on the piston cylinder, the piston cylinder is installed between the valve body and the short pipe, the valve rod, the crank, the connecting rod frame and the piston cylinder form a crank-connecting rod mechanism, the piston cylinder is divided into two sections, a long strip hole for flow regulation is formed in one end, the other section of the piston cylinder.
4. A self-operated piston type flow regulating pressure regulating valve according to claim 3, characterized in that: the long holes on the piston cylinder are uniformly distributed in the circumferential direction.
5. The self-operated piston type flow regulating pressure regulating valve according to claim 1, characterized in that: the pressure receiving and signal feedback part comprises a commander, a small ball valve, a hydraulic pipe, an elbow, a steel pipe, a three-way joint, a hydraulic pipe joint, a filter, a needle valve and a pressure gauge, wherein the commander is a three-position three-way reversing valve, the commander has three positions, three interfaces of the three positions are connected with different hydraulic pipes, an interface A is connected with the upstream of the main valve, an interface B is communicated with the upper cavity of the hydraulic cylinder, an interface C is communicated with the lower cavity of the hydraulic cylinder and the downstream of the main valve, when the commander is at the position 1, the downstream pressure is smaller than the setting pressure of the commander, the upstream pressure can be directly communicated with the upper cavity of the hydraulic cylinder, and the pressure difference of the upper cavity; when the commander is at the position 2, the downstream pressure is equal to the set pressure of the commander, the ports A, B, C are not communicated with each other, the upper cavity of the hydraulic cylinder is in a closed state, even if the hydraulic cylinder has the action of a heavy hammer, the hydraulic cylinder is still in a static state, and the whole valve is in a balanced state at the moment; when the commander is at the position 3, the downstream pressure is greater than the setting pressure of the commander, the upper cavity and the lower cavity of the hydraulic cylinder are simultaneously communicated with the downstream pressure, and the valve acts towards the valve closing direction under the action of the heavy hammer, so that the downstream pressure is reduced.
6. The self-operated piston type flow regulating pressure regulating valve according to claim 5, characterized in that: the director comprises a shell, a bottom cover, a valve core, a spring, an adjusting rod and an adjusting nut, wherein the valve core can slide in the shell according to downstream pressure so as to achieve the purpose of reversing, the compression amount of the spring can be adjusted from the outside by the adjusting nut, and the exposed part of the adjusting rod is provided with scales matched with the downstream pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610517.8A CN111765280A (en) | 2020-06-29 | 2020-06-29 | Self-operated piston type flow-regulating pressure-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610517.8A CN111765280A (en) | 2020-06-29 | 2020-06-29 | Self-operated piston type flow-regulating pressure-regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN111765280A true CN111765280A (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010610517.8A Pending CN111765280A (en) | 2020-06-29 | 2020-06-29 | Self-operated piston type flow-regulating pressure-regulating valve |
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| CN (1) | CN111765280A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
| CN117167510A (en) * | 2023-11-03 | 2023-12-05 | 南京亿准纳自动化控制技术有限公司 | Regulating valve and flow regulating system |
| CN117207237A (en) * | 2023-11-09 | 2023-12-12 | 之江实验室 | Joint system and robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2844598Y (en) * | 2005-09-20 | 2006-12-06 | 上海日泰阀门制造有限公司 | Direct-operated regulator |
| JP2010209960A (en) * | 2009-03-09 | 2010-09-24 | Hitachi Metals Techno Ltd | Hydraulic damper |
| CN102575782A (en) * | 2009-08-17 | 2012-07-11 | 盾安美斯泰克股份有限公司 | Micromachined device and control method |
| CN106838403A (en) * | 2017-03-07 | 2017-06-13 | 德阀机械（上海）有限公司 | A kind of self-operated type piston the needle valve |
| CN110906035A (en) * | 2019-11-16 | 2020-03-24 | 苏州安特威阀门有限公司 | Self-controlled flow regulating valve |
-
2020
- 2020-06-29 CN CN202010610517.8A patent/CN111765280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2844598Y (en) * | 2005-09-20 | 2006-12-06 | 上海日泰阀门制造有限公司 | Direct-operated regulator |
| JP2010209960A (en) * | 2009-03-09 | 2010-09-24 | Hitachi Metals Techno Ltd | Hydraulic damper |
| CN102575782A (en) * | 2009-08-17 | 2012-07-11 | 盾安美斯泰克股份有限公司 | Micromachined device and control method |
| CN106838403A (en) * | 2017-03-07 | 2017-06-13 | 德阀机械（上海）有限公司 | A kind of self-operated type piston the needle valve |
| CN110906035A (en) * | 2019-11-16 | 2020-03-24 | 苏州安特威阀门有限公司 | Self-controlled flow regulating valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
| CN117167510A (en) * | 2023-11-03 | 2023-12-05 | 南京亿准纳自动化控制技术有限公司 | Regulating valve and flow regulating system |
| CN117167510B (en) * | 2023-11-03 | 2024-01-09 | 南京亿准纳自动化控制技术有限公司 | Regulating valve and flow regulating system |
| CN117207237A (en) * | 2023-11-09 | 2023-12-12 | 之江实验室 | Joint system and robot |
| CN117207237B (en) * | 2023-11-09 | 2024-02-02 | 之江实验室 | Joint system and robot |
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Application publication date: 20201013 |