CN209990990U - Air-fuel mixture control's air-vent valve actuating mechanism - Google Patents
Air-fuel mixture control's air-vent valve actuating mechanism Download PDFInfo
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- CN209990990U CN209990990U CN201920703280.0U CN201920703280U CN209990990U CN 209990990 U CN209990990 U CN 209990990U CN 201920703280 U CN201920703280 U CN 201920703280U CN 209990990 U CN209990990 U CN 209990990U
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Abstract
The utility model discloses an air-fuel mixture control's air-vent valve actuating mechanism, this actuating mechanism comprises upper diaphragm box, lower diaphragm box, cylinder, diaphragm, spring and bolt, wherein, lower diaphragm box and upper diaphragm box lock-fit the installation, diaphragm and spring are all installed in the installation cavity between lower diaphragm box and upper diaphragm box, cylinder and lower diaphragm box fixed connection, the bolt passes the mounting hole on the cylinder, install in the screw of lower diaphragm box, and be provided with the air current passageway that communicates with the installation cavity between lower diaphragm box and the upper diaphragm box in the lower part of bolt, be provided with the inlet port that communicates with air current passageway on the lateral wall of bolt; the pressure regulating valve actuating mechanism has the advantages of simple structure, reasonable design, convenience in use, low manufacturing cost and the like.
Description
Technical Field
The utility model discloses a technical field of air-vent valve especially relates to an air-vent valve actuating mechanism of oil gas mixture control.
Background
The pressure regulating valve mainly comprises an actuating mechanism and a valve body, wherein the actuating mechanism is a thrust component of the regulating valve and generates corresponding thrust according to control to push the valve body to act.
Most of existing pressure regulating valves are electronic control proportional pressure regulating valves, wherein an actuating mechanism is an electric actuator and an electric head, and the opening of a valve is controlled by the actuating mechanism through a control signal given by a control center. Generally speaking, the electric actuators have the problems that the cost is high, the electric actuators are only suitable for low-pressure working conditions, and the electric actuators cannot be suitable for high-pressure working conditions.
Therefore, how to develop a novel actuator for a pressure regulating valve is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an air-vent valve actuating mechanism of oil-gas mixture control to at least, solve the high cost and the unable scheduling problem that is applicable to higher pressure operating mode that electric actuator exists in the past.
The utility model provides a technical scheme specifically does, an air-vent valve actuating mechanism of oil-gas mixture control, and its this actuating mechanism includes: the device comprises an upper diaphragm capsule 1, a lower diaphragm capsule 2, a cylinder 3, a diaphragm 4, a spring 5 and a bolt 6;
the lower diaphragm capsule 2 is buckled with the upper diaphragm capsule 1, an installation cavity is formed between the lower diaphragm capsule 2 and the upper diaphragm capsule 1, and a screw hole 21 is formed in the lower diaphragm capsule 2;
the cylinder 3 is provided with an open end and a closed end, an air inlet is arranged on the cylinder 3, the open end of the cylinder 3 is buckled on the outer side of the lower diaphragm capsule 2, a mounting hole 31 is arranged on the end face of the closed end of the cylinder 3, and the mounting hole 31 and the screw hole 21 are coaxially arranged;
the diaphragm 4 is arranged in an installation cavity between the lower diaphragm capsule 2 and the upper diaphragm capsule 1;
the spring 5 is positioned in an installation cavity between the lower diaphragm capsule 2 and the upper diaphragm capsule 1, one end of the spring 5 is abutted against the diaphragm 4, and the other end of the spring 5 is abutted against the upper diaphragm capsule 1;
the lower end of the bolt 6 penetrates through the mounting hole 31 on the cylinder 3 and then is mounted in the screw hole 21 in the lower diaphragm capsule 2 in a threaded manner, the lower part of the bolt 6 is provided with an airflow channel 61 along the axial direction, the side wall of the bolt 6 is provided with an air inlet 62 communicated with the airflow channel 61, the air inlet 62 is positioned in the cylinder 3, and the airflow channel 61 is communicated with a mounting cavity between the lower diaphragm capsule 2 and the upper diaphragm capsule 1.
Preferably, the air-fuel mixture control pressure regulating valve actuator further comprises: and the one-way throttle valve 7 is arranged at the air inlet of the air cylinder 3, and the one-way throttle valve 7 is arranged at the air inlet of the air cylinder 3.
Further preferably, a limiting shaft 41 extending outward in the axial direction is disposed in the center of the diaphragm 4, and the spring 5 is sleeved outside the limiting shaft 41.
Further preferably, a groove 22 is formed in the inner side of the lower diaphragm casing 2, the groove 22 is coaxially arranged with the diaphragm 4, and the caliber of the groove 22 is smaller than that of the diaphragm 4.
The utility model provides an air-fuel mixture control's air-vent valve actuating mechanism, this actuating mechanism comprises upper diaphragm box, lower diaphragm box, cylinder, diaphragm, spring and bolt, wherein, lower diaphragm box and upper diaphragm box lock-fit the installation, diaphragm and spring are all installed in the installation cavity between lower diaphragm box and upper diaphragm box, cylinder and lower diaphragm box fixed connection, the bolt passes the mounting hole on the cylinder, install in the screw of lower diaphragm box, and be provided with the air current passageway that communicates with the installation cavity between lower diaphragm box and the upper diaphragm box in the lower part of bolt, be provided with the inlet port that communicates with air current passageway on the lateral wall of bolt; through foretell structural design, can realize actuating mechanism's oil-gas mixture control, particularly, when this executor uses, regard oil as working medium, and this medium oil and the diaphragm contact of installation intracavity, in operation, from the air inlet input compressed air of cylinder, compressed air gets into behind the cylinder, from the inlet port on the bolt lateral wall entering into airflow channel, meet and promote medium oil with medium oil, medium oil pushes away the diaphragm motion under compressed air's effect, and reset by the spring, and then realize carrying out corresponding motion with the valve body that the diaphragm is connected, accomplish the purpose that actuating mechanism pushed the valve body action.
The utility model provides an air-vent valve actuating mechanism of oil-gas mixture control has simple structure, reasonable in design, convenient to use, cost of manufacture low grade advantage, owing to this actuating mechanism adopts oil as working medium, can bear higher pressure moreover.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an actuator of a pressure regulating valve for oil-gas mixture control according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In order to solve the problems of high cost and incapability of being suitable for higher pressure working conditions and the like of the existing pressure regulating valve actuating mechanism, the embodiment provides a novel pressure regulating valve actuating mechanism which is controlled by oil-gas mixture, and particularly, referring to fig. 1, the actuating mechanism mainly comprises an upper diaphragm capsule 1, a lower diaphragm capsule 2, a cylinder 3, a diaphragm 4, a spring 5 and a bolt 6, wherein the lower diaphragm capsule 2 is buckled with the upper diaphragm capsule 1, a mounting cavity is formed between the lower diaphragm capsule 2 and the upper diaphragm capsule 1 after the lower diaphragm capsule 2 is buckled with the upper diaphragm capsule 1, the lower diaphragm capsule 2 is provided with a screw hole 21 communicated with the mounting cavity, the cylinder 3 is provided with an open end and a closed end, an air inlet is arranged on the cylinder 3, the open end of the cylinder 3 is buckled on the outer side of the lower diaphragm capsule 2, at the moment, the cylinder 3 and the lower diaphragm capsule 2 enclose a cavity for storing input gas, and a mounting hole 31 is arranged on the, and mounting hole 31 and screw 21 are coaxial to be set up, diaphragm 4 and spring 5 are all installed in the mounting cavity between lower diaphragm capsule 2 and the last diaphragm capsule 1, and diaphragm 4 is close to lower diaphragm capsule 2, spring 5 one end offsets with diaphragm 4, the other end offsets with last diaphragm capsule 1, the lower extreme tip of bolt 6 passes behind the mounting hole 31 on the cylinder 3, the screw thread is installed in the screw 21 in lower diaphragm capsule 2, the lower part of bolt 6 is hollow structure, be provided with airflow channel 61 along the axial, be provided with the inlet port 62 with airflow channel 61 intercommunication on the lateral wall of bolt 6, wherein, inlet port 62 is located the inside of cylinder 3, airflow channel 61 communicates with the mounting cavity between lower diaphragm capsule 2 and the last diaphragm capsule 1.
The specific use method of the executing mechanism comprises the following steps: during the use, regard as working medium with oil, and this medium oil contacts with the diaphragm of installation intracavity, in operation, input compressed air from the air inlet of cylinder, compressed air gets into behind the cylinder, get into airflow channel from the inlet port on the bolt lateral wall, meet and promote medium oil with medium oil, medium oil pushes away the diaphragm motion under compressed air's effect, and reset by the spring, and then realize carrying out corresponding motion with the valve body that the diaphragm is connected, accomplish the purpose that actuating mechanism promoted the valve body action, wherein, just can realize adjusting the range that actuating mechanism promoted the valve body action through the pressure size of compressed air's in the control input cylinder, and then accomplish the regulation of valve body aperture, realize the pressure regulating purpose.
In order to realize the flow control of the compressed air input into the cylinder and improve the stability of the air pressure control, as an improvement of the technical scheme, referring to fig. 1, a one-way throttle valve 7 is further arranged in the actuating mechanism of the pressure regulating valve for oil-gas mixture control, and the one-way throttle valve 7 is installed at an air inlet of the cylinder 3.
In order to realize further limiting of the spring and improve the operation stability of the actuator, as a technical improvement, referring to fig. 1, a limiting shaft 41 extending outwards along the axial direction is arranged in the center of the diaphragm 4, and the spring 5 is sleeved outside the limiting shaft 41.
In order to further improve the operation stability of the actuator, as an improvement of the technical scheme, referring to fig. 1, a groove 22 is arranged on the inner side of the lower diaphragm casing 2, the groove 22 is coaxially arranged with the diaphragm 4, the caliber of the groove 22 is smaller than that of the diaphragm 4, and the coaxial arrangement of the groove 22 and the diaphragm 4 is mainly used for uniformly stressing after the diaphragm is contacted with the matrix oil, so that the diaphragm can be conveniently reset under the action of a spring.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (4)
1. The utility model provides a pressure-regulating valve actuating mechanism of oil-gas mixture control which characterized in that includes: the device comprises an upper diaphragm capsule (1), a lower diaphragm capsule (2), a cylinder (3), a diaphragm (4), a spring (5) and a bolt (6);
the lower diaphragm capsule (2) is buckled with the upper diaphragm capsule (1), a mounting cavity is formed between the lower diaphragm capsule (2) and the upper diaphragm capsule (1), and a screw hole (21) is formed in the lower diaphragm capsule (2);
the air cylinder (3) is provided with an open end and a closed end, an air inlet is formed in the air cylinder (3), the open end of the air cylinder (3) is buckled on the outer side of the lower diaphragm capsule (2), a mounting hole (31) is formed in the end face of the closed end of the air cylinder (3), and the mounting hole (31) and the screw hole (21) are coaxially arranged;
the diaphragm (4) is arranged in an installation cavity between the lower diaphragm capsule (2) and the upper diaphragm capsule (1);
the spring (5) is positioned in an installation cavity between the lower diaphragm capsule (2) and the upper diaphragm capsule (1), one end of the spring (5) is abutted against the diaphragm (4), and the other end of the spring (5) is abutted against the upper diaphragm capsule (1);
the lower end of the bolt (6) penetrates through a mounting hole (31) in the cylinder (3) and then is mounted in a screw hole (21) in the lower diaphragm capsule (2) in a threaded manner, an air flow channel (61) is axially arranged at the lower part of the bolt (6), an air inlet hole (62) communicated with the air flow channel (61) is formed in the side wall of the bolt (6), the air inlet hole (62) is located in the cylinder (3), and the air flow channel (61) is communicated with a mounting cavity between the lower diaphragm capsule (2) and the upper diaphragm capsule (1).
2. The air-fuel mixture controlled pressure regulating valve actuator according to claim 1, further comprising: and the one-way throttle valve (7) is arranged at the air inlet of the air cylinder (3).
3. The air-fuel mixture control pressure regulating valve actuator according to claim 1, wherein a limiting shaft (41) extending outwards along the axial direction is arranged in the center of the diaphragm (4), and the spring (5) is sleeved outside the limiting shaft (41).
4. The air-oil mixing control pressure regulating valve actuating mechanism according to claim 1, characterized in that a groove (22) is arranged on the inner side of the lower diaphragm casing (2), the groove (22) and the diaphragm (4) are coaxially arranged, and the caliber of the groove (22) is smaller than that of the diaphragm (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703280.0U CN209990990U (en) | 2019-05-15 | 2019-05-15 | Air-fuel mixture control's air-vent valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703280.0U CN209990990U (en) | 2019-05-15 | 2019-05-15 | Air-fuel mixture control's air-vent valve actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990990U true CN209990990U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920703280.0U Active CN209990990U (en) | 2019-05-15 | 2019-05-15 | Air-fuel mixture control's air-vent valve actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990990U (en) |
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2019
- 2019-05-15 CN CN201920703280.0U patent/CN209990990U/en active Active
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