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CN-224229398-U - Special gas pipeline control valve

CN224229398UCN 224229398 UCN224229398 UCN 224229398UCN-224229398-U

Abstract

The utility model discloses a special gas pipeline control valve, which belongs to the technical field of pipeline control valves and comprises a valve main body, wherein connecting ports are arranged on two sides of the valve main body, an external pipeline body is arranged at the other end of the connecting port, a valve handle rod is arranged in the valve main body, an automatic valve opening mechanism is arranged at the upper end of the valve handle rod, the external pipeline body is fixedly connected with the connecting port through an external pipeline connecting and fixing mechanism, the automatic valve opening mechanism is arranged, utilize motor drive incomplete gear and gear wheel meshing, realize the automatic rotation of valve handle pole to accomplish the automatic opening and closing of valve, improved the convenience and the degree of automation of operation greatly, simultaneously, spacing subassembly can the accurate opening angle of control valve, avoid excessively opening or closing, ensure the stability and the security of valve, effectively solved the manual complex operation of traditional valve and unable accurate control's problem.

Inventors

  • CHEN BAOJUN
  • WANG SHIJIE
  • WANG QIAN

Assignees

  • 四川华匠电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250624

Claims (6)

  1. 1. The special gas pipeline control valve comprises a valve main body (1), wherein connecting ports (2) are formed in two sides of the valve main body (1), an external pipeline body (6) is arranged at the other end of each connecting port (2), a valve handle rod (3) is arranged in the valve main body (1), and the special gas pipeline control valve is characterized in that an automatic valve opening mechanism (4) is arranged at the upper end of the valve handle rod (3), and the external pipeline body (6) is fixedly connected with the connecting ports (2) through an external pipeline connection fixing mechanism (5).
  2. 2. The special gas pipeline control valve according to claim 1, wherein the automatic valve opening mechanism (4) comprises a mounting box (41), a supporting rod (42), a large gear (43), a motor (44), an incomplete gear (45), a driving shaft (46) and a limiting component (47), the supporting rod (42) is arranged at the upper end of the valve main body (1), the mounting box (41) is arranged at the upper end of the supporting rod (42), the large gear (43) is arranged in the mounting box (41) on the upper end surface of the valve handle rod (3), the motor (44) is arranged on the side edge of the lower end of the mounting box (41), the driving shaft (46) is arranged at the output end of the motor (44), the incomplete gear (45) meshed with the large gear (43) is arranged on the surface of the driving shaft (46), and the limiting component (47) is arranged at the upper end of the valve handle rod (3).
  3. 3. The special gas pipeline control valve according to claim 2, wherein the limiting assembly (47) comprises a fixed rod (471), a limiting plate (473), a center rod (474), a spring (475), a fixing hole (476) and a lifting plate (477), the upper end of the valve handle rod (3) is provided with the center rod (474), the upper end of the center rod (474) is provided with the limiting plate (473), the surface of the center rod (474) is slidably connected with the lifting plate (477), the other side of the lifting plate (477) is provided with the fixing rod (471), the surface of the center rod (474) is positioned at the upper end of the lifting plate (477) and sleeved with the spring (475), and the upper end of the mounting box (41) is provided with a plurality of groups of fixing holes (476).
  4. 4. The special gas pipeline control valve according to claim 3, wherein the fixed rod (471) is connected with the lifting plate (477) through threads, and a rotating handle (472) is arranged at the upper end of the fixed rod (471).
  5. 5. The special gas pipeline control valve according to claim 1, wherein the external pipeline connection fixing mechanism (5) comprises a bolt (51), a clamping assembly (52), a sealing ring (53), a sealing groove (54) and a flange plate (55), the flange plate (55) is arranged on one side of the external pipeline body (6), the flange plate (55) is fixedly connected with the connecting port (2) through the bolt (51), the sealing ring (53) is connected between the flange plate (55) and the connecting port (2), the sealing groove (54) corresponding to the sealing ring (53) is formed in the side edge of the flange plate (55) and the side edge of the connecting port (2), and the clamping assembly (52) is arranged at the side edge of the flange plate (55) and the side edge of the connecting port (2).
  6. 6. The special gas pipeline control valve according to claim 5, wherein the clamping assembly (52) comprises a circular groove (521), a U-shaped seat (522), a threaded rod (523), a knob (524) and a clamping block (525), the U-shaped seat (522) is arranged at the side edges of the flange plate (55) and the connecting port (2), the threaded rod (523) is connected with the internal threads of the U-shaped seat (522), one end of the threaded rod (523) is provided with the knob (524), the clamping block (525) is arranged at the other end of the threaded rod (523), and the circular groove (521) corresponding to the clamping block (525) is formed in the U-shaped seat (522).

Description

Special gas pipeline control valve Technical Field The utility model belongs to the technical field of pipeline control valves, and particularly relates to a special pipeline control valve. Background The pipeline control valve is an adjustable device for changing parameters such as flow direction, flow rate and pressure of medium in the pipeline, and the valve in the gas system is mainly used for controlling flow and pressure of various gases so as to ensure stability and reliability of the whole system, and meanwhile, the valve can also be controlled to control the conveying of the gas in the special pipeline. The existing pipeline control valve realizes the use of the special pipeline control valve, but after the opening size of the valve is controlled, the valve cannot be limited, so that the stability of the opening size of the valve cannot be guaranteed, and secondly, when the special pipeline control valve is used, the connection tightness between the valve and an external pipeline is relatively poor, and the firmness after the fixation is poor. Disclosure of utility model To solve the problems set forth in the background art. The utility model provides a special gas pipeline control valve which has the characteristics of convenience in automatically controlling the opening size of the valve and better connection tightness and firmness between the valve and an external pipeline. In order to achieve the purpose, the special gas pipeline control valve comprises a valve main body, wherein connecting ports are formed in two sides of the valve main body, an external pipeline body is arranged at the other end of each connecting port, a valve handle rod is arranged in the valve main body, an automatic valve opening mechanism is arranged at the upper end of each valve handle rod, and the external pipeline body is fixedly connected with the connecting ports through an external pipeline connecting and fixing mechanism. Preferably, the automatic opening mechanism of valve includes mounting box, bracing piece, gear wheel, motor, incomplete gear, drive shaft and spacing subassembly, and the upper end of valve main part is provided with the bracing piece, and the upper end of bracing piece is provided with the mounting box, and the upper end surface of valve handle pole is located the inside of mounting box and is provided with the gear wheel, and the lower extreme side of mounting box is provided with the motor, and the output of motor is provided with the drive shaft, and the surface of drive shaft is provided with the incomplete gear with gear wheel engaged with, and the upper end of valve handle pole is provided with spacing subassembly. Preferably, the limiting assembly comprises a fixed rod, a limiting plate, a center rod, a spring, a fixing hole and a lifting plate, wherein the center rod is arranged at the upper end of the valve handle rod, the limiting plate is arranged at the upper end of the center rod, the lifting plate is connected to the surface of the center rod in a sliding manner, the fixing rod is arranged at the other side of the lifting plate, the spring is sleeved at the upper end of the lifting plate on the surface of the center rod, and a plurality of groups of fixing holes are formed in the upper end of the mounting box. Preferably, the fixing rod is connected with the lifting plate through threads, and a rotating handle is arranged at the upper end of the fixing rod. Preferably, the external pipeline connection fixing mechanism comprises a bolt, a clamping assembly, a sealing ring, a sealing groove and a flange plate, wherein the flange plate is arranged on one side of the external pipeline body, the flange plate is fixedly connected with the connecting port through the bolt, the sealing ring is connected between the flange plate and the connecting port, the sealing groove corresponding to the sealing ring is formed in the side edge of the flange plate and the side edge of the connecting port, and the clamping assembly is arranged at the side edge of the flange plate and the side edge of the connecting port. Preferably, the clamping assembly comprises a circular groove, a U-shaped seat, a threaded rod, a knob and a clamping block, wherein the U-shaped seat is arranged at the side edges of the flange plate and the connecting port, the threaded rod is connected with the inner thread of the U-shaped seat, the knob is arranged at one end of the threaded rod, the clamping block is arranged at the other end of the threaded rod, and the circular groove corresponding to the clamping block is formed in the U-shaped seat. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the automatic valve opening mechanism, the motor is used for driving the incomplete gear to be meshed with the large gear, so that automatic rotation of the valve handle rod is realized, automatic opening and closing of the valve are completed, convenience and automation degree of operat