CN219673445U - Servo valve capable of automatically regulating pressure - Google Patents

Abstract

The utility model discloses a servo valve capable of automatically regulating pressure, which comprises a connecting shell, wherein a closing cover is fixed at the upper end of the connecting shell, an adjustable pressure reducing valve is fixed at the lower end of the connecting shell, the upper end of the adjustable pressure reducing valve is positioned in the connecting shell, a stepping motor is fixed on the upper surface of the connecting shell through a screw, an output shaft of the stepping motor penetrates through and extends to the inside of the connecting shell, the end part of the output end of the stepping motor is connected with a transmission shaft through a coupling, the lower end of the transmission shaft is connected with an adjusting rotating shaft at the upper end of the adjustable pressure reducing valve through a connecting support, an external thread is arranged on the outer side of the transmission shaft, a movable detecting piece is connected with the outer side of the transmission shaft through a threaded connection mode, and two infrared detectors are fixed in the connecting shell.

Description

Servo valve capable of automatically regulating pressure

Technical Field

The utility model relates to the technical field of servo valves, in particular to a servo valve capable of automatically regulating pressure.

Background

The pressure reducing valve is a special device for automatically reducing the working pressure of a pipeline, and can reduce the medium with higher pressure to the set pressure after the pressure reducing range is set; because the output is high-pressure gas in the gas cylinder, the high-pressure gas cannot be directly used when the low-pressure gas is needed, and the high-pressure gas needs to be decompressed, the pressure reducing valve is widely applied to various fields, but the pressure of the pressure reducing valve needs to be regulated in a gas pipeline, but the existing pressure reducing valve needs manual rotation regulation when being regulated, and cannot be automatically regulated, so that the output voltage stabilizing effect is poor when the unstable gas pressure is aimed at, and the demands of people cannot be met.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the servo valve capable of automatically regulating the pressure, which has the advantages of simple structure, simplicity and convenience in operation, capability of automatically regulating the valve pressure, convenience for people and capability of effectively solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a servo valve of adjustable automatic pressure, includes the connection shell, the upper end of connection shell is fixed with the closing cap, and the lower extreme of connection shell is fixed with adjustable relief pressure valve, the upper end of adjustable relief pressure valve is located the inside of connection shell, the upper surface of connection shell is through the fix with screw having step motor, step motor's output shaft runs through and extends to the inside of connection shell, and step motor's output tip has the transmission shaft through the coupling joint, the lower extreme of transmission shaft is connected with the regulation rotation axis of adjustable relief pressure valve upper end through the connection support, and the outside of transmission shaft is equipped with the external screw thread to the outside of transmission shaft is connected with through threaded connection's mode and removes the detection piece, and the inside of connection shell is fixed with two infrared detector, and two infrared detector are distributed from top to bottom, and infrared detector is corresponding with removal detection piece.

Further, two sliding blocks are arranged at two ends of the movement detection piece, sliding grooves are formed in the connecting shell, and the two sliding grooves are correspondingly connected with the two sliding blocks in a sliding mode.

Further, the infrared detector is of a U-shaped structure, the detection plate corresponding to the infrared detector is arranged on the movable detection piece, the detection plate can be driven to move into the U-shaped groove of the infrared detector by moving the movable detection piece up and down, and then the detection can be carried out by the infrared detector, so that whether the adjustable pressure reducing valve reaches the maximum value or the minimum value is judged.

Compared with the prior art, the utility model has the beneficial effects that: can drive the transmission shaft through step motor rotation and rotate, can drive adjustable relief pressure valve through the transmission shaft and rotate, with this pressure regulating, and can drive when rotating through the transmission shaft and remove the detection spare and slide from top to bottom along sliding groove, can drive the pick-up plate and remove the U type recess of infrared detector inside through removing the detection spare, then can detect it through infrared detector, with this judgement adjustable relief pressure valve reaches maximum value or minimum, but this servo valve of automatic pressure regulating, and simple structure, easy and simple to handle, but the size of automatically regulated valve pressure, and provide convenience for people.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic side view of the present utility model.

In the figure: the infrared detector 1, the movable detection piece 2, the connecting support 3, the sliding groove 4, the connecting shell 5, the stepping motor 6, the adjustable pressure reducing valve 7 and the transmission shaft 8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a servo valve of adjustable automatic pressure regulation, including connecting shell 5, the upper end of connecting shell 5 is fixed with the closing cap, and the lower extreme of connecting shell 5 is fixed with adjustable relief pressure valve 7, the upper end of adjustable relief pressure valve 7 is located the inside of connecting shell 5, the upper surface of connecting shell 5 has step motor 6 through the fix with screw, step motor 6's output shaft runs through and extends to the inside of connecting shell 5, and step motor 6's output tip has transmission shaft 8 through the coupling, transmission shaft 8's lower extreme is connected with the regulation rotation axis of adjustable relief pressure valve 7 upper end through connecting support 3, transmission shaft 8's outside is equipped with the external screw thread, and transmission shaft 8's outside is connected with removal detection piece 2 through threaded connection's mode, the inside of connecting shell 5 is fixed with two infrared detector 1, two infrared detector 1 are distributed from top to bottom, and infrared detector 1 is corresponding with removal detection piece 2, the both ends of removal detection piece 2 are equipped with two sliding grooves 4, the inside of connecting shell 5 is equipped with sliding groove 4 and two sliding blocks correspond the sliding connection, infrared detector 1 is the U type and is equipped with the removal detection piece 2 and can be adjusted the maximum value by the mode, can be adjusted to the manual or the pressure gauge, can be adjusted by the manual pressure gauge, the pressure gauge is adjusted by the manual pressure gauge, the valve is easy and simple and convenient and can be provided with the automatic pressure gauge 1, and can be adjusted by the automatic pressure gauge, and can be adjusted.

When in use: the transmission shaft 8 can be driven to rotate through the rotation of the stepping motor 6, the adjustable pressure reducing valve 7 can be driven to rotate through the transmission shaft 8 so as to regulate the pressure, the movable detection piece 2 can be driven to slide up and down along the sliding groove 4 when the transmission shaft 8 rotates, the detection plate can be driven to move into the U-shaped groove of the infrared detector 1 through the up-and-down movement of the movable detection piece 2, and then the detection can be carried out on the detection plate through the infrared detector 1 so as to judge whether the adjustable pressure reducing valve 7 reaches the maximum value or the minimum value.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.

Claims (3)

1. The utility model provides a servo valve that can automatic pressure regulating, includes coupling housing (5), its characterized in that: the upper end of connection shell (5) is fixed with the closing cap, and the lower extreme of connection shell (5) is fixed with relief pressure valve (7) with adjustable, the upper end of relief pressure valve (7) is located the inside of connection shell (5), the upper surface of connection shell (5) is through fix with screw step motor (6), the output shaft of step motor (6) runs through and extends to the inside of connection shell (5), and the output tip of step motor (6) is connected with transmission shaft (8) through the coupling, the lower extreme of transmission shaft (8) is connected with the regulation rotation axis of adjustable relief pressure valve (7) upper end through connection support (3), the outside of transmission shaft (8) is equipped with the external screw thread, and the outside of transmission shaft (8) is connected with through threaded connection's mode and removes detection piece (2), the inside of connection shell (5) is fixed with two infrared detector (1), two infrared detector (1) are distributed from top to bottom, and infrared detector (1) and remove detection piece (2) corresponding.

2. The automatically pressure-adjustable servo valve of claim 1, wherein: two sliding blocks are arranged at two ends of the movement detection piece (2), sliding grooves (4) are formed in the connecting shell (5), and the two sliding grooves (4) are correspondingly connected with the two sliding blocks in a sliding mode.

3. The automatically pressure-adjustable servo valve of claim 1, wherein: the infrared detector (1) is of a U-shaped structure, and the movable detection piece (2) is provided with a detection plate corresponding to the infrared detector (1).